From: Marc Hohl <marc@hohlart.de>
Date: Thu, 6 Jun 2013 08:35:26 +0000 (+0200)
Subject: Apply scripts/auxiliar/fixscm.sh
X-Git-Tag: release/2.17.20-1~17
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=44dd3acc534e7a534f846810b481c3f603eaa92e;p=lilypond.git

Apply scripts/auxiliar/fixscm.sh
---

diff --git a/scm/auto-beam.scm b/scm/auto-beam.scm
index b77022f2fc..42387960ef 100644
--- a/scm/auto-beam.scm
+++ b/scm/auto-beam.scm
@@ -50,13 +50,13 @@
                 (ending-moments (cdr group-list) new-start base-moment)))))
 
   (define (larger-setting test-beam sorted-alist)
-   (if (null? sorted-alist)
-       '()
-       (let* ((first-key (caar sorted-alist))
-              (first-moment (fraction->moment first-key)))
-         (if (moment<=? test-beam first-moment)
-             (car sorted-alist)
-             (larger-setting test-beam (cdr sorted-alist))))))
+    (if (null? sorted-alist)
+        '()
+        (let* ((first-key (caar sorted-alist))
+               (first-moment (fraction->moment first-key)))
+          (if (moment<=? test-beam first-moment)
+              (car sorted-alist)
+              (larger-setting test-beam (cdr sorted-alist))))))
 
   (define (beat-end? moment beat-structure)
     (pair? (member moment beat-structure)))  ;; member returns a list if found, not #t
@@ -71,7 +71,7 @@
       (let* ((base-moment (get 'baseMoment (ly:make-moment 1 4)))
              (measure-length (get 'measureLength (ly:make-moment 1 1)))
              (time-signature-fraction
-               (get 'timeSignatureFraction '(4 . 4)))
+              (get 'timeSignatureFraction '(4 . 4)))
              (beat-structure (get 'beatStructure '(1 1 1 1)))
              (beat-endings (ending-moments beat-structure 0 base-moment))
              (exceptions (sort (assoc-get 'end
@@ -82,8 +82,8 @@
              (beam-half-measure (get 'beamHalfMeasure #t))
              (type (moment->fraction test-beam))
              (non-grace (ly:make-moment
-                          (ly:moment-main-numerator measure-pos)
-                          (ly:moment-main-denominator measure-pos)))
+                         (ly:moment-main-numerator measure-pos)
+                         (ly:moment-main-denominator measure-pos)))
              (pos (if (ly:moment<? non-grace ZERO-MOMENT)
                       (ly:moment-add measure-length non-grace)
                       non-grace))
@@ -98,15 +98,15 @@
                                       (car default-rule)
                                       '()))
              (exception-grouping (if (null? type-grouping)
-                                default-grouping
-                                type-grouping))
+                                     default-grouping
+                                     type-grouping))
              (grouping-moment (if (null? type-grouping)
                                   (fraction->moment default-beat-length)
                                   test-beam))
              (exception-moments (ending-moments
-                                  exception-grouping 0 grouping-moment)))
+                                 exception-grouping 0 grouping-moment)))
 
-	(if (= dir START)
+        (if (= dir START)
             ;; Start rules -- #t if beam is allowed to start
             (or beam-half-measure ;; Start anywhere, but option for mid-measure
                 (not (equal? (ly:moment-add pos pos) measure-length))
diff --git a/scm/autochange.scm b/scm/autochange.scm
index 14252e4b1d..b358c22b53 100644
--- a/scm/autochange.scm
+++ b/scm/autochange.scm
@@ -6,41 +6,41 @@
 (define-public (make-autochange-music parser music)
   (define (generate-split-list change-moment event-list acc)
     (if (null? event-list)
-	acc
-	(let* ((now-tun (caar event-list))
-	       (evs (map car (cdar event-list)))
-	       (now (car now-tun))
-	       (notes (filter (lambda (x)
-				(ly:in-event-class? x 'note-event))
-			      evs))
-	       (pitch (if (pair? notes)
-			  (ly:event-property (car notes) 'pitch)
-			  #f)))
-	  ;; tail recursive.
-	  (if (and pitch (not (= (ly:pitch-steps pitch) 0)))
-	      (generate-split-list #f
-				   (cdr event-list)
-				   (cons (cons
+        acc
+        (let* ((now-tun (caar event-list))
+               (evs (map car (cdar event-list)))
+               (now (car now-tun))
+               (notes (filter (lambda (x)
+                                (ly:in-event-class? x 'note-event))
+                              evs))
+               (pitch (if (pair? notes)
+                          (ly:event-property (car notes) 'pitch)
+                          #f)))
+          ;; tail recursive.
+          (if (and pitch (not (= (ly:pitch-steps pitch) 0)))
+              (generate-split-list #f
+                                   (cdr event-list)
+                                   (cons (cons
+
+                                          (if change-moment
+                                              change-moment
+                                              now)
+                                          (sign (ly:pitch-steps pitch))) acc))
+              (generate-split-list
+               (if pitch #f now)
+               (cdr event-list) acc)))))
 
-					  (if change-moment
-					      change-moment
-					      now)
-					  (sign (ly:pitch-steps pitch))) acc))
-	      (generate-split-list
-	       (if pitch #f now)
-	       (cdr event-list) acc)))))
-  
   (let* ((m (make-music 'AutoChangeMusic))
-	(m1 (make-non-relative-music (context-spec-music music 'Voice "one")))
-	 (context-list (recording-group-emulate music
-						(ly:parser-lookup parser 'partCombineListener)))
-	 (evs (car context-list))
+         (m1 (make-non-relative-music (context-spec-music music 'Voice "one")))
+         (context-list (recording-group-emulate music
+                                                (ly:parser-lookup parser 'partCombineListener)))
+         (evs (car context-list))
          (rev (reverse! (cdar context-list)))
-	 (split (reverse! (generate-split-list
-			   #f
-			   rev
-			   '())
-			  '())))
+         (split (reverse! (generate-split-list
+                           #f
+                           rev
+                           '())
+                          '())))
     (set! (ly:music-property m 'element) music)
     (set! (ly:music-property m 'split-list) split)
     m))
diff --git a/scm/backend-library.scm b/scm/backend-library.scm
index 0734a1a834..527e6fef95 100644
--- a/scm/backend-library.scm
+++ b/scm/backend-library.scm
@@ -16,25 +16,25 @@
 ;;;; You should have received a copy of the GNU General Public License
 ;;;; along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; backend helpers.
 
 (use-modules (scm ps-to-png)
-	     (scm paper-system)
-	     (ice-9 optargs))
+             (scm paper-system)
+             (ice-9 optargs))
 
 (define-public (ly:system command)
   (ly:debug (_ "Invoking `~a'...") (string-join command))
   (let ((status (apply ly:spawn command)))
     (if (> status 0)
-	(begin
-	  (ly:warning (_ "`~a' failed (~a)\n") command status)
-	  ;; hmmm.  what's the best failure option? 
-	  (throw 'ly-file-failed)))))
+        (begin
+          (ly:warning (_ "`~a' failed (~a)\n") command status)
+          ;; hmmm.  what's the best failure option?
+          (throw 'ly-file-failed)))))
 
 (define-public (sanitize-command-option str)
   "Kill dubious shell quoting."
-  
+
   (string-append
    "\""
    (regexp-substitute/global #f "[^-_ 0-9,.a-zA-Z'\"\\]" str 'pre 'post)
@@ -43,81 +43,81 @@
 (define-public (search-executable names)
   (define (helper path lst)
     (if (null? (cdr lst))
-	(car lst)
-	(if (search-path path (car lst)) (car lst)
-	    (helper path (cdr lst)))))
+        (car lst)
+        (if (search-path path (car lst)) (car lst)
+            (helper path (cdr lst)))))
 
   (let ((path (parse-path (getenv "PATH"))))
     (helper path names)))
 
 (define-public (search-gs)
-  
+
   ;; must be sure that we don't catch stuff from old GUBs.
   (search-executable '("gs")))
-  
+
 (define-public (postscript->pdf paper-width paper-height name)
   (let* ((pdf-name (string-append
-		    (dir-basename name ".ps" ".eps")
-		    ".pdf"))
-	 (is-eps (string-match "\\.eps$" name))
-	 (*unspecified* (if #f #f))
-	 (cmd
-	  (remove (lambda (x) (eq? x *unspecified*))
-	  (list
-	       (search-gs)
-	       (if (ly:get-option 'verbose) *unspecified* "-q")
-	       (if (or (ly:get-option 'gs-load-fonts)
-		       (ly:get-option 'gs-load-lily-fonts)
-		       (eq? PLATFORM 'windows))
-		   "-dNOSAFER"
-		   "-dSAFER")
-
-	       (if is-eps
-		   "-dEPSCrop"
-		   (ly:format "-dDEVICEWIDTHPOINTS=~$" paper-width))
-	       (if is-eps
-		   *unspecified*
-		   (ly:format "-dDEVICEHEIGHTPOINTS=~$" paper-height))
-	       "-dCompatibilityLevel=1.4"
-	       "-dNOPAUSE"
-	       "-dBATCH"
-	       "-r1200"
-	       "-sDEVICE=pdfwrite"
-	       (string-append "-sOutputFile=" pdf-name)
-	       "-c.setpdfwrite"
-	       (string-append "-f" name)))))
+                    (dir-basename name ".ps" ".eps")
+                    ".pdf"))
+         (is-eps (string-match "\\.eps$" name))
+         (*unspecified* (if #f #f))
+         (cmd
+          (remove (lambda (x) (eq? x *unspecified*))
+                  (list
+                   (search-gs)
+                   (if (ly:get-option 'verbose) *unspecified* "-q")
+                   (if (or (ly:get-option 'gs-load-fonts)
+                           (ly:get-option 'gs-load-lily-fonts)
+                           (eq? PLATFORM 'windows))
+                       "-dNOSAFER"
+                       "-dSAFER")
+
+                   (if is-eps
+                       "-dEPSCrop"
+                       (ly:format "-dDEVICEWIDTHPOINTS=~$" paper-width))
+                   (if is-eps
+                       *unspecified*
+                       (ly:format "-dDEVICEHEIGHTPOINTS=~$" paper-height))
+                   "-dCompatibilityLevel=1.4"
+                   "-dNOPAUSE"
+                   "-dBATCH"
+                   "-r1200"
+                   "-sDEVICE=pdfwrite"
+                   (string-append "-sOutputFile=" pdf-name)
+                   "-c.setpdfwrite"
+                   (string-append "-f" name)))))
 
     (ly:message (_ "Converting to `~a'...\n") pdf-name)
     (ly:system cmd)))
 
 (define-public (postscript->png resolution paper-width paper-height name)
   (let* ((verbose (ly:get-option 'verbose))
-	 (rename-page-1 #f))
+         (rename-page-1 #f))
 
     ;; Do not try to guess the name of the png file,
     ;; GS produces PNG files like BASE-page%d.png.
     (ly:message (_ "Converting to ~a...") "PNG")
     (make-ps-images name
-		    #:resolution resolution
-		    #:page-width paper-width
-		    #:page-height paper-height
-		    #:rename-page-1 rename-page-1
-		    #:be-verbose verbose
-		    #:anti-alias-factor (ly:get-option 'anti-alias-factor)
-		    #:pixmap-format (ly:get-option 'pixmap-format))
+                    #:resolution resolution
+                    #:page-width paper-width
+                    #:page-height paper-height
+                    #:rename-page-1 rename-page-1
+                    #:be-verbose verbose
+                    #:anti-alias-factor (ly:get-option 'anti-alias-factor)
+                    #:pixmap-format (ly:get-option 'pixmap-format))
     (ly:progress "\n")))
 
 (define-public (postprocess-output paper-book module filename formats)
   (let* ((completed (completize-formats formats))
-	 (base (dir-basename filename ".ps" ".eps"))
-	 (intermediate (remove (lambda (x) (member x formats)) completed)))
+         (base (dir-basename filename ".ps" ".eps"))
+         (intermediate (remove (lambda (x) (member x formats)) completed)))
     (for-each (lambda (f)
-		((eval (string->symbol (format #f "convert-to-~a" f))
-		       module) paper-book filename)) completed)
+                ((eval (string->symbol (format #f "convert-to-~a" f))
+                       module) paper-book filename)) completed)
     (if (ly:get-option 'delete-intermediate-files)
-	(for-each (lambda (f)
-		    (if (file-exists? f) (delete-file f)))
-		  (map (lambda (x) (string-append base "." x)) intermediate)))))
+        (for-each (lambda (f)
+                    (if (file-exists? f) (delete-file f)))
+                  (map (lambda (x) (string-append base "." x)) intermediate)))))
 
 (define-public (completize-formats formats)
   (define new-fmts '())
@@ -126,8 +126,8 @@
   (if (member "pdf" formats)
       (set! formats (cons "ps" formats)))
   (for-each (lambda (x)
-	      (if (member x formats) (set! new-fmts (cons x new-fmts))))
-	    '("ps" "pdf" "png"))
+              (if (member x formats) (set! new-fmts (cons x new-fmts))))
+            '("ps" "pdf" "png"))
   (uniq-list (reverse new-fmts)))
 
 (define (header-to-file file-name key value)
@@ -135,13 +135,13 @@
   (if (not (equal? "-" file-name))
       (set! file-name (string-append file-name "." key)))
   (ly:message (_ "Writing header field `~a' to `~a'...")
-	      key
-	      (if (equal? "-" file-name) "<stdout>" file-name))
+              key
+              (if (equal? "-" file-name) "<stdout>" file-name))
   (if (equal? file-name "-")
       (display value)
       (let ((port (open-file file-name "w")))
-	(display value port)
-	(close-port port)))
+        (display value port)
+        (close-port port)))
 
   (ly:progress "\n")
   "")
@@ -152,10 +152,10 @@
      string-append
      (module-map
       (lambda (sym var)
-	(let ((val (if (variable-bound? var) (variable-ref var) "")))
-	  (if (and (memq sym fields) (string? val))
-	      (header-to-file basename sym val))
-	  ""))
+        (let ((val (if (variable-bound? var) (variable-ref var) "")))
+          (if (and (memq sym fields) (string? val))
+              (header-to-file basename sym val))
+          ""))
       scope)))
   (apply string-append (map output-scope scopes)))
 
@@ -163,20 +163,20 @@
   (let ((systems (ly:paper-book-systems book)))
     ;; skip booktitles.
     (if (and (not (ly:get-option 'include-book-title-preview))
-	     (pair? systems)
-	     (ly:prob-property (car systems) 'is-book-title #f))
-	(cdr systems)
-	systems)))
+             (pair? systems)
+             (ly:prob-property (car systems) 'is-book-title #f))
+        (cdr systems)
+        systems)))
 
 (define-public (relevant-dump-systems systems)
   (let ((to-dump-systems '()))
     (for-each
-      (lambda (sys)
-	(if (or (paper-system-title? sys)
-		(not (pair? to-dump-systems))
-		(paper-system-title? (car to-dump-systems)))
-	    (set! to-dump-systems (cons sys to-dump-systems))))
-      systems)
+     (lambda (sys)
+       (if (or (paper-system-title? sys)
+               (not (pair? to-dump-systems))
+               (paper-system-title? (car to-dump-systems)))
+           (set! to-dump-systems (cons sys to-dump-systems))))
+     systems)
     to-dump-systems))
 
 (define missing-stencil-list '())
@@ -188,20 +188,20 @@
       ""))
 
   (map (lambda (x)
-	 (if (not (module-defined? output-module x))
-	     (begin
-	       (module-define! output-module x
-			       (lambda* (#:optional y . z)
-				 (missing-stencil-expression x)))
-	       (set! missing-stencil-list (append (list x)
-						  missing-stencil-list)))))
+         (if (not (module-defined? output-module x))
+             (begin
+               (module-define! output-module x
+                               (lambda* (#:optional y . z)
+                                        (missing-stencil-expression x)))
+               (set! missing-stencil-list (append (list x)
+                                                  missing-stencil-list)))))
        (ly:all-stencil-commands)))
 
 (define-public (remove-stencil-warnings output-module)
   (for-each
-    (lambda (x)
-      (module-remove! output-module x))
-    missing-stencil-list))
+   (lambda (x)
+     (module-remove! output-module x))
+   missing-stencil-list))
 
 (define (filter-out pred? lst)
   (filter (lambda (x) (not (pred? x))) lst))
@@ -211,8 +211,8 @@
 or @code{#f}."
   (let ((match (regexp-exec (make-regexp "(.*)-([0-9]*)") font-name)))
     (if (regexp-match? match)
-	(cons (match:substring match 1) (match:substring match 2))
-	(cons font-name-designsize #f))))
+        (cons (match:substring match 1) (match:substring match 2))
+        (cons font-name-designsize #f))))
 
 ;; Example of a pango-physical-font
 ;; ("Emmentaler-11" "/home/janneke/vc/lilypond/out/share/lilypond/current/fonts/otf/emmentaler-11.otf" 0)
@@ -229,8 +229,8 @@ or @code{#f}."
 (define (pango-font-name pango-font)
   (let ((pf-fonts (ly:pango-font-physical-fonts pango-font)))
     (if (pair? pf-fonts)
-	(pango-pf-font-name (car pf-fonts))
-	"")))
+        (pango-pf-font-name (car pf-fonts))
+        "")))
 
 (define-public (define-fonts paper define-font define-pango-pf)
   "Return a string of all fonts used in @var{paper}, invoking the functions
@@ -238,33 +238,33 @@ or @code{#f}."
 definition."
 
   (let* ((font-list (ly:paper-fonts paper))
-	 (pango-fonts (filter ly:pango-font? font-list))
-	 (other-fonts (filter-out ly:pango-font? font-list))
-	 (other-font-names (map ly:font-name other-fonts))
-	 (pango-only-fonts
-	  (filter-out (lambda (x)
-			(member (pango-font-name x) other-font-names))
-		      pango-fonts)))
-
-  (define (font-load-command font)
-    (let* ((font-name (ly:font-name font))
-	   (designsize (ly:font-design-size font))
-	   (magnification (* (ly:font-magnification font)))
-	   (ops (ly:output-def-lookup paper 'output-scale))
-	   (scaling (* ops magnification designsize)))
-      (if (equal? font-name "unknown")
-	  (display (list font font-name)))
-      (define-font font font-name scaling)))
-
-  (define (pango-font-load-command pango-font)
-    (let* ((pf-fonts (ly:pango-font-physical-fonts pango-font))
-	   (pango-pf (if (pair? pf-fonts) (car pf-fonts) '("" "" 0)))
-	   (font-name (pango-pf-font-name pango-pf))
-	   (scaling (ly:output-def-lookup paper 'output-scale)))
-      (if (equal? font-name "unknown")
-	  (display (list pango-font font-name)))
-      (define-pango-pf pango-pf font-name scaling)))
+         (pango-fonts (filter ly:pango-font? font-list))
+         (other-fonts (filter-out ly:pango-font? font-list))
+         (other-font-names (map ly:font-name other-fonts))
+         (pango-only-fonts
+          (filter-out (lambda (x)
+                        (member (pango-font-name x) other-font-names))
+                      pango-fonts)))
 
-  (string-append
-   (apply string-append (map font-load-command other-fonts))
-   (apply string-append (map pango-font-load-command pango-only-fonts)))))
+    (define (font-load-command font)
+      (let* ((font-name (ly:font-name font))
+             (designsize (ly:font-design-size font))
+             (magnification (* (ly:font-magnification font)))
+             (ops (ly:output-def-lookup paper 'output-scale))
+             (scaling (* ops magnification designsize)))
+        (if (equal? font-name "unknown")
+            (display (list font font-name)))
+        (define-font font font-name scaling)))
+
+    (define (pango-font-load-command pango-font)
+      (let* ((pf-fonts (ly:pango-font-physical-fonts pango-font))
+             (pango-pf (if (pair? pf-fonts) (car pf-fonts) '("" "" 0)))
+             (font-name (pango-pf-font-name pango-pf))
+             (scaling (ly:output-def-lookup paper 'output-scale)))
+        (if (equal? font-name "unknown")
+            (display (list pango-font font-name)))
+        (define-pango-pf pango-pf font-name scaling)))
+
+    (string-append
+     (apply string-append (map font-load-command other-fonts))
+     (apply string-append (map pango-font-load-command pango-only-fonts)))))
diff --git a/scm/bar-line.scm b/scm/bar-line.scm
index e23ff8c0f2..809a08ca48 100644
--- a/scm/bar-line.scm
+++ b/scm/bar-line.scm
@@ -35,12 +35,12 @@ and the dimensions of the extent into account."
                    (let ((blot-diameter (layout-blot-diameter grob))
                          (height (interval-length extent)))
 
-                        (cond ((< thickness blot-diameter) thickness)
-                              ((< height blot-diameter) height)
-                              (else blot-diameter)))
+                     (cond ((< thickness blot-diameter) thickness)
+                           ((< height blot-diameter) height)
+                           (else blot-diameter)))
                    0)))
 
-        blot))
+    blot))
 
 (define (get-span-glyph bar-glyph)
   "Get the corresponding span glyph from the @code{span-glyph-bar-alist}.
@@ -48,12 +48,12 @@ Pad the string with @code{annotation-char}s to the length of the
 @var{bar-glyph} string."
   (let ((span-glyph (assoc-get bar-glyph span-bar-glyph-alist bar-glyph)))
 
-       (if (string? span-glyph)
-           (set! span-glyph (string-pad-right
+    (if (string? span-glyph)
+        (set! span-glyph (string-pad-right
                           span-glyph
                           (string-length bar-glyph)
                           replacement-char)))
-       span-glyph))
+    span-glyph))
 
 (define (get-staff-symbol grob)
   "Return the staff symbol corresponding to Grob @var{grob}."
@@ -66,51 +66,51 @@ Pad the string with @code{annotation-char}s to the length of the
   (let* ((layout (ly:grob-layout grob))
          (blot-diameter (ly:output-def-lookup layout 'blot-diameter)))
 
-        blot-diameter))
+    blot-diameter))
 
 (define (staff-symbol-line-count staff)
   "Get or compute the number of lines of staff @var{staff}."
   (let ((line-count 0))
 
-       (if (ly:grob? staff)
-           (let ((line-pos (ly:grob-property staff 'line-positions '())))
+    (if (ly:grob? staff)
+        (let ((line-pos (ly:grob-property staff 'line-positions '())))
 
-                (set! line-count (if (pair? line-pos)
-                                     (length line-pos)
-                                     (ly:grob-property staff 'line-count 0)))))
+          (set! line-count (if (pair? line-pos)
+                               (length line-pos)
+                               (ly:grob-property staff 'line-count 0)))))
 
-         line-count))
+    line-count))
 
 (define (staff-symbol-line-span grob)
   (let ((line-pos (ly:grob-property grob 'line-positions '()))
         (iv (cons 0.0 0.0)))
 
-       (if (pair? line-pos)
-           (begin
-             (set! iv (cons (car line-pos) (car line-pos)))
-             (map (lambda (x)
-                    (set! iv (cons (min (car iv) x)
-                                   (max (cdr iv) x))))
-                  (cdr line-pos)))
+    (if (pair? line-pos)
+        (begin
+          (set! iv (cons (car line-pos) (car line-pos)))
+          (map (lambda (x)
+                 (set! iv (cons (min (car iv) x)
+                                (max (cdr iv) x))))
+               (cdr line-pos)))
 
-           (let ((line-count (ly:grob-property grob 'line-count 0)))
+        (let ((line-count (ly:grob-property grob 'line-count 0)))
 
-                (set! iv (cons (- 1 line-count)
-                               (- line-count 1)))))
-       iv))
+          (set! iv (cons (- 1 line-count)
+                         (- line-count 1)))))
+    iv))
 
 (define (staff-symbol-line-positions grob)
   "Get or compute the @code{'line-positions} list from @var{grob}."
   (let ((line-pos (ly:grob-property grob 'line-positions '())))
 
-       (if (not (pair? line-pos))
-           (let* ((line-count (ly:grob-property grob 'line-count 0))
-                  (height (- line-count 1.0)))
+    (if (not (pair? line-pos))
+        (let* ((line-count (ly:grob-property grob 'line-count 0))
+               (height (- line-count 1.0)))
 
-                 (set! line-pos (map (lambda (x)
-                                             (- height (* x 2)))
-                                     (iota line-count)))))
-       line-pos))
+          (set! line-pos (map (lambda (x)
+                                (- height (* x 2)))
+                              (iota line-count)))))
+    line-pos))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; internal helper functions
@@ -128,46 +128,46 @@ mandatory to the procedures stored in @code{bar-glyph-print-procedures}."
   (let ((proc (assoc-get glyph bar-glyph-print-procedures))
         (stencil empty-stencil))
 
-       (if (procedure? proc)
-           (set! stencil (proc grob extent))
-           (ly:warning (_ "Bar glyph ~a not known. Ignoring.") glyph))
-       stencil))
+    (if (procedure? proc)
+        (set! stencil (proc grob extent))
+        (ly:warning (_ "Bar glyph ~a not known. Ignoring.") glyph))
+    stencil))
 
 (define (string->string-list str)
   "Convert a string into a list of strings with length 1.
 @code{"aBc"} will be converted to @code{("a" "B" "c")}.
 An empty string will be converted to a list containing @code{""}."
-  (if (and (string? str)
-           (not (zero? (string-length str))))
-      (map (lambda (s)
-                   (string s))
-           (string->list str))
-      (list "")))
+(if (and (string? str)
+         (not (zero? (string-length str))))
+    (map (lambda (s)
+           (string s))
+         (string->list str))
+    (list "")))
 
 (define (strip-string-annotation str)
   "Strip annotations starting with and including the
 annotation char from string @var{str}."
   (let ((pos (string-index str annotation-char)))
 
-       (if pos
-           (substring str 0 pos)
-           str)))
+    (if pos
+        (substring str 0 pos)
+        str)))
 
 (define (check-for-annotation str)
   "Check whether the annotation char is present in string @var{str}."
   (if (string? str)
       (if (string-index str annotation-char)
           (ly:warning
-            (_ "Annotation '~a' is allowed in the first argument of a bar line definition only.")
-            str))))
+           (_ "Annotation '~a' is allowed in the first argument of a bar line definition only.")
+           str))))
 
 (define (check-for-replacement str)
   "Check whether the replacement char is present in string @var{str}."
   (if (string? str)
       (if (string-index str replacement-char)
           (ly:warning
-            (_ "Replacement '~a' is allowed in the last argument of a bar line definition only.")
-            str))))
+           (_ "Replacement '~a' is allowed in the last argument of a bar line definition only.")
+           str))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; functions used by external routines
@@ -179,18 +179,18 @@ annotation char from string @var{str}."
          (last-pos (1- (length sorted-elts)))
          (idx 0))
 
-        (map (lambda (g)
-                     (ly:grob-set-property!
-                       g
-                       'has-span-bar
-                       (cons (if (eq? idx last-pos)
-                                 #f
-                                 grob)
-                             (if (zero? idx)
-                                 #f
-                                 grob)))
-                      (set! idx (1+ idx)))
-             sorted-elts)))
+    (map (lambda (g)
+           (ly:grob-set-property!
+            g
+            'has-span-bar
+            (cons (if (eq? idx last-pos)
+                      #f
+                      grob)
+                  (if (zero? idx)
+                      #f
+                      grob)))
+           (set! idx (1+ idx)))
+         sorted-elts)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Line break decisions.
@@ -227,10 +227,10 @@ is not used within the routine."
   (if (or (not (string? glyph))
           (> (string-length glyph) 1))
       (ly:warning
-        (_ "add-bar-glyph-print-procedure: glyph '~a' has to be a single ASCII character.")
-        glyph)
+       (_ "add-bar-glyph-print-procedure: glyph '~a' has to be a single ASCII character.")
+       glyph)
       (set! bar-glyph-print-procedures
-        (acons glyph proc bar-glyph-print-procedures))))
+            (acons glyph proc bar-glyph-print-procedures))))
 
 (define-session bar-glyph-print-procedures `())
 
@@ -253,9 +253,9 @@ is not used within the routine."
          (blot (calc-blot thickness extent grob))
          (extent (bar-line::widen-bar-extent-on-span grob extent)))
 
-        (ly:round-filled-box (cons 0 thickness)
-                             extent
-                             blot)))
+    (ly:round-filled-box (cons 0 thickness)
+                         extent
+                         blot)))
 
 (define (make-thick-bar-line grob extent)
   "Draw a thick bar line."
@@ -265,9 +265,9 @@ is not used within the routine."
          (blot (calc-blot thickness extent grob))
          (extent (bar-line::widen-bar-extent-on-span grob extent)))
 
-        (ly:round-filled-box (cons 0 thickness)
-                             extent
-                             blot)))
+    (ly:round-filled-box (cons 0 thickness)
+                         extent
+                         blot)))
 
 (define (make-tick-bar-line grob extent)
   "Draw a tick bar line."
@@ -276,9 +276,9 @@ is not used within the routine."
          (height (interval-end extent))
          (blot (calc-blot staff-line-thickness extent grob)))
 
-        (ly:round-filled-box (cons 0 staff-line-thickness)
-                             (cons (- height half-staff) (+ height half-staff))
-                             blot)))
+    (ly:round-filled-box (cons 0 staff-line-thickness)
+                         (cons (- height half-staff) (+ height half-staff))
+                         blot)))
 
 (define (make-colon-bar-line grob extent)
   "Draw repeat dots."
@@ -366,19 +366,19 @@ is not used within the routine."
                       (- 0.5 correction))))
          (counting (interval-length (cons i e)))
          (stil-list (map
-                      (lambda (x)
-                              (ly:stencil-translate-axis
-                                dot (+ x correction) Y))
-                      (iota counting i 1))))
+                     (lambda (x)
+                       (ly:stencil-translate-axis
+                        dot (+ x correction) Y))
+                     (iota counting i 1))))
 
-        (define (add-stencils! stil l)
-          (if (null? l)
-              stil
-              (if (null? (cdr l))
-                  (ly:stencil-add stil (car l))
-                  (add-stencils! (ly:stencil-add stil (car l)) (cdr l)))))
+    (define (add-stencils! stil l)
+      (if (null? l)
+          stil
+          (if (null? (cdr l))
+              (ly:stencil-add stil (car l))
+              (add-stencils! (ly:stencil-add stil (car l)) (cdr l)))))
 
-        (add-stencils! empty-stencil stil-list)))
+    (add-stencils! empty-stencil stil-list)))
 
 (define (make-dashed-bar-line grob extent)
   "Draw a dashed bar line."
@@ -391,48 +391,48 @@ is not used within the routine."
          (dash-size (- 1.0 (ly:grob-property grob 'gap 0.3)))
          (line-count (staff-symbol-line-count staff-symbol)))
 
-        (if (< (abs (+ line-thickness
-                       (* (1- line-count) staff-space)
-                       (- height)))
-               0.1)
-            (let ((blot (layout-blot-diameter grob))
-                  (half-space (/ staff-space 2.0))
-                  (half-thick (/ line-thickness 2.0))
-                  (stencil empty-stencil))
-
-                 (map (lambda (i)
-                      (let ((top-y (min (* (+ i dash-size) half-space)
-                                        (+ (* (1- line-count) half-space)
-                                           half-thick)))
-                            (bot-y (max (* (- i dash-size) half-space)
-                                        (- 0 (* (1- line-count) half-space)
-                                           half-thick))))
-
-                           (set! stencil
-                                 (ly:stencil-add
-                                   stencil
-                                   (ly:round-filled-box (cons 0 thickness)
-                                                        (cons bot-y top-y)
-                                                        blot)))))
-                      (iota line-count (1- line-count) (- 2)))
-            stencil)
-            (let* ((dashes (/ height staff-space))
-                   (total-dash-size (/ height dashes))
-                   (factor (/ (- dash-size thickness) staff-space))
-                   (stencil (ly:stencil-translate-axis
-                              (ly:make-stencil (list 'dashed-line
-                                                     thickness
-                                                     (* factor total-dash-size)
-                                                     (* (- 1 factor) total-dash-size)
-                                                     0
-                                                     height
-                                                     (* factor total-dash-size 0.5))
-                                               (cons (/ thickness -2) (/ thickness 2))
-                                               (cons 0 height))
-                            (interval-start extent)
-                            Y)))
-
-                 (ly:stencil-translate-axis stencil (/ thickness 2) X)))))
+    (if (< (abs (+ line-thickness
+                   (* (1- line-count) staff-space)
+                   (- height)))
+           0.1)
+        (let ((blot (layout-blot-diameter grob))
+              (half-space (/ staff-space 2.0))
+              (half-thick (/ line-thickness 2.0))
+              (stencil empty-stencil))
+
+          (map (lambda (i)
+                 (let ((top-y (min (* (+ i dash-size) half-space)
+                                   (+ (* (1- line-count) half-space)
+                                      half-thick)))
+                       (bot-y (max (* (- i dash-size) half-space)
+                                   (- 0 (* (1- line-count) half-space)
+                                      half-thick))))
+
+                   (set! stencil
+                         (ly:stencil-add
+                          stencil
+                          (ly:round-filled-box (cons 0 thickness)
+                                               (cons bot-y top-y)
+                                               blot)))))
+               (iota line-count (1- line-count) (- 2)))
+          stencil)
+        (let* ((dashes (/ height staff-space))
+               (total-dash-size (/ height dashes))
+               (factor (/ (- dash-size thickness) staff-space))
+               (stencil (ly:stencil-translate-axis
+                         (ly:make-stencil (list 'dashed-line
+                                                thickness
+                                                (* factor total-dash-size)
+                                                (* (- 1 factor) total-dash-size)
+                                                0
+                                                height
+                                                (* factor total-dash-size 0.5))
+                                          (cons (/ thickness -2) (/ thickness 2))
+                                          (cons 0 height))
+                         (interval-start extent)
+                         Y)))
+
+          (ly:stencil-translate-axis stencil (/ thickness 2) X)))))
 
 
 (define ((make-segno-bar-line show-segno) grob extent)
@@ -443,37 +443,37 @@ draws the span bar variant, i.e. without the segno sign."
          (thinkern (* (ly:grob-property grob 'thin-kern 1) line-thickness))
          (thin-stil (make-simple-bar-line grob extent))
          (double-line-stil (ly:stencil-combine-at-edge
-                             thin-stil
-                             X
-                             LEFT
-                             thin-stil
-                             thinkern))
+                            thin-stil
+                            X
+                            LEFT
+                            thin-stil
+                            thinkern))
          (segno (ly:font-get-glyph (ly:grob-default-font grob)
                                    "scripts.varsegno"))
          (stencil (ly:stencil-add
-                    (if show-segno
-                        segno
-                        (ly:make-stencil
-                          ""
-                          (ly:stencil-extent segno X)
-                          (cons 0 0)))
-                    (ly:stencil-translate-axis
-                      double-line-stil
-                      (* 1/2 thinkern)
-                      X))))
-
-       stencil))
+                   (if show-segno
+                       segno
+                       (ly:make-stencil
+                        ""
+                        (ly:stencil-extent segno X)
+                        (cons 0 0)))
+                   (ly:stencil-translate-axis
+                    double-line-stil
+                    (* 1/2 thinkern)
+                    X))))
+
+    stencil))
 
 (define (make-kievan-bar-line grob extent)
   "Draw a kievan bar line."
   (let* ((font (ly:grob-default-font grob))
          (stencil (stencil-whiteout
-                    (ly:font-get-glyph font "scripts.barline.kievan"))))
+                   (ly:font-get-glyph font "scripts.barline.kievan"))))
 
-        ;; the kievan bar line has no staff lines underneath,
-        ;; so we whiteout them and move the grob to a higher layer
-        (ly:grob-set-property! grob 'layer 1)
-        stencil))
+    ;; the kievan bar line has no staff lines underneath,
+    ;; so we whiteout them and move the grob to a higher layer
+    (ly:grob-set-property! grob 'layer 1)
+    stencil))
 
 (define ((make-bracket-bar-line dir) grob extent)
   "Draw a bracket-style bar line. If @var{dir} is set to @code{LEFT}, the
@@ -489,20 +489,20 @@ opening bracket will be drawn, for @code{RIGHT} we get the closing bracket."
                                        (cons 0 0)
                                        (ly:stencil-extent brackettips-up Y)))
          (tip-down-stil (ly:make-stencil (ly:stencil-expr brackettips-down)
-                                       (cons 0 0)
-                                       (ly:stencil-extent brackettips-down Y)))
+                                         (cons 0 0)
+                                         (ly:stencil-extent brackettips-down Y)))
          (stencil (ly:stencil-add
-                    thick-stil
-                    (ly:stencil-translate-axis tip-up-stil
-                                               (interval-end extent)
-                                               Y)
-                    (ly:stencil-translate-axis tip-down-stil
-                                               (interval-start extent)
-                                               Y))))
-
-        (if (eq? dir LEFT)
-            stencil
-            (ly:stencil-scale stencil -1 1))))
+                   thick-stil
+                   (ly:stencil-translate-axis tip-up-stil
+                                              (interval-end extent)
+                                              Y)
+                   (ly:stencil-translate-axis tip-down-stil
+                                              (interval-start extent)
+                                              Y))))
+
+    (if (eq? dir LEFT)
+        stencil
+        (ly:stencil-scale stencil -1 1))))
 
 (define ((make-spacer-bar-line glyph) grob extent)
   "Draw an invisible bar line which has the same dimensions as the one
@@ -510,7 +510,7 @@ drawn by the procedure associated with glyph @var{glyph}."
   (let* ((stil (glyph->stencil glyph grob extent))
          (stil-x-extent (ly:stencil-extent stil X)))
 
-        (ly:make-stencil "" stil-x-extent extent)))
+    (ly:make-stencil "" stil-x-extent extent)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; bar line callbacks
@@ -519,36 +519,36 @@ drawn by the procedure associated with glyph @var{glyph}."
   (let ((staff-symbol (get-staff-symbol grob))
         (staff-extent (cons 0 0)))
 
-       (if (ly:grob? staff-symbol)
-           (let ((bar-line-color (ly:grob-property grob 'color))
-                 (staff-color (ly:grob-property staff-symbol 'color))
-                 (half-staff-line-thickness (/ (ly:staff-symbol-line-thickness grob) 2))
-                 (staff-space (ly:staff-symbol-staff-space grob)))
-
-                (set! staff-extent (ly:staff-symbol::height staff-symbol))
-
-                (if (zero? staff-space)
-                    (set! staff-space 1.0))
-
-                (if (< (interval-length staff-extent) staff-space)
-                    ;; staff is too small (perhaps consists of a single line);
-                    ;; extend the bar line to make it visible
-                    (set! staff-extent
-                          (interval-widen staff-extent staff-space))
-                    ;; Due to rounding problems, bar lines extending to the outermost edges
-                    ;; of the staff lines appear wrongly in on-screen display
-                    ;; (and, to a lesser extent, in print) - they stick out a pixel.
-                    ;; The solution is to extend bar lines only to the middle
-                    ;; of the staff line - unless they have different colors,
-                    ;; when it would be undesirable.
-                    ;;
-                    ;; This reduction should not influence whether the bar is to be
-                    ;; expanded later, so length is not updated on purpose.
-                    (if (eq? bar-line-color staff-color)
-                        (set! staff-extent
-                              (interval-widen staff-extent
-                                              (- half-staff-line-thickness)))))))
-       staff-extent))
+    (if (ly:grob? staff-symbol)
+        (let ((bar-line-color (ly:grob-property grob 'color))
+              (staff-color (ly:grob-property staff-symbol 'color))
+              (half-staff-line-thickness (/ (ly:staff-symbol-line-thickness grob) 2))
+              (staff-space (ly:staff-symbol-staff-space grob)))
+
+          (set! staff-extent (ly:staff-symbol::height staff-symbol))
+
+          (if (zero? staff-space)
+              (set! staff-space 1.0))
+
+          (if (< (interval-length staff-extent) staff-space)
+              ;; staff is too small (perhaps consists of a single line);
+              ;; extend the bar line to make it visible
+              (set! staff-extent
+                    (interval-widen staff-extent staff-space))
+              ;; Due to rounding problems, bar lines extending to the outermost edges
+              ;; of the staff lines appear wrongly in on-screen display
+              ;; (and, to a lesser extent, in print) - they stick out a pixel.
+              ;; The solution is to extend bar lines only to the middle
+              ;; of the staff line - unless they have different colors,
+              ;; when it would be undesirable.
+              ;;
+              ;; This reduction should not influence whether the bar is to be
+              ;; expanded later, so length is not updated on purpose.
+              (if (eq? bar-line-color staff-color)
+                  (set! staff-extent
+                        (interval-widen staff-extent
+                                        (- half-staff-line-thickness)))))))
+    staff-extent))
 
 ;; this function may come in handy when defining new bar line glyphs, so
 ;; we make it public.
@@ -559,23 +559,23 @@ drawn by the procedure associated with glyph @var{glyph}."
   (let ((staff-symbol (get-staff-symbol grob))
         (has-span-bar (ly:grob-property grob 'has-span-bar #f)))
 
-       (if (and (ly:grob? staff-symbol)
-                (pair? has-span-bar))
-           (let ((bar-line-color (ly:grob-property grob 'color))
-                 (staff-color (ly:grob-property staff-symbol 'color))
-                 (half-staff-line-thickness (/ (ly:staff-symbol-line-thickness grob) 2)))
-                (if (eq? bar-line-color staff-color)
-                    ;; if the colors are equal, ly:bar-line::calc-bar-extent has
-                    ;; shortened the bar line extent by a half-staff-line-thickness
-                    ;; this is reverted on the interval bounds where span bars appear:
-                    (begin
-                      (and (ly:grob? (car has-span-bar))
-                           (set! extent (cons (- (car extent) half-staff-line-thickness)
-                                              (cdr extent))))
-                      (and (ly:grob? (cdr has-span-bar))
-                           (set! extent (cons (car extent)
-                                              (+ (cdr extent) half-staff-line-thickness))))))))
-   extent))
+    (if (and (ly:grob? staff-symbol)
+             (pair? has-span-bar))
+        (let ((bar-line-color (ly:grob-property grob 'color))
+              (staff-color (ly:grob-property staff-symbol 'color))
+              (half-staff-line-thickness (/ (ly:staff-symbol-line-thickness grob) 2)))
+          (if (eq? bar-line-color staff-color)
+              ;; if the colors are equal, ly:bar-line::calc-bar-extent has
+              ;; shortened the bar line extent by a half-staff-line-thickness
+              ;; this is reverted on the interval bounds where span bars appear:
+              (begin
+                (and (ly:grob? (car has-span-bar))
+                     (set! extent (cons (- (car extent) half-staff-line-thickness)
+                                        (cdr extent))))
+                (and (ly:grob? (cdr has-span-bar))
+                     (set! extent (cons (car extent)
+                                        (+ (cdr extent) half-staff-line-thickness))))))))
+    extent))
 
 (define (bar-line::bar-y-extent grob refpoint)
   "Compute the y-extent of the bar line relative to @var{refpoint}."
@@ -583,24 +583,24 @@ drawn by the procedure associated with glyph @var{glyph}."
          (rel-y (ly:grob-relative-coordinate grob refpoint Y))
          (y-extent (coord-translate extent rel-y)))
 
-        y-extent))
+    y-extent))
 
 (define-public (ly:bar-line::print grob)
   "The print routine for bar lines."
   (let ((glyph-name (ly:grob-property grob 'glyph-name))
         (extent (ly:grob-property grob 'bar-extent '(0 . 0))))
 
-       (if (and glyph-name
-                (> (interval-length extent) 0))
-           (bar-line::compound-bar-line grob glyph-name extent)
-           #f)))
+    (if (and glyph-name
+             (> (interval-length extent) 0))
+        (bar-line::compound-bar-line grob glyph-name extent)
+        #f)))
 
 (define-public (bar-line::compound-bar-line grob bar-glyph extent)
   "Build the bar line stencil."
   (let* ((line-thickness (layout-line-thickness grob))
          (kern (* (ly:grob-property grob 'kern 1) line-thickness))
          (bar-glyph-list (string->string-list
-                           (strip-string-annotation bar-glyph)))
+                          (strip-string-annotation bar-glyph)))
          (span-glyph (get-span-glyph bar-glyph))
          (span-glyph-list (string->string-list span-glyph))
          (neg-stencil empty-stencil)
@@ -608,53 +608,53 @@ drawn by the procedure associated with glyph @var{glyph}."
          (is-first-neg-stencil #t)
          (is-first-stencil #t))
 
-        ;; We build up two separate stencils first:
-        ;; (1) the neg-stencil is built from all glyphs that have
-        ;;     a replacement-char in the span bar
-        ;; (2) the main stencil is built from all remaining glyphs
-        ;;
-        ;; Afterwards the neg-stencil is attached left to the
-        ;; stencil; this ensures that the main stencil starts
-        ;; at x = 0.
-        ;;
-        ;; For both routines holds:
-        ;; we stack the stencils obtained by the corresponding
-        ;; single glyphs with spacing 'kern' except for the
-        ;; first stencil
-        ;; (Thanks to Harm who came up with this idea!)
-        (for-each (lambda (bar span)
-                          (if (and (string=? span (string replacement-char))
-                                   is-first-stencil)
-                              (begin
-                                (set! neg-stencil
-                                      (ly:stencil-combine-at-edge
-                                        neg-stencil
-                                        X
-                                        RIGHT
-                                        (glyph->stencil bar grob extent)
-                                        (if is-first-neg-stencil 0 kern)))
-                                (set! is-first-neg-stencil #f))
-                              (begin
-                                (set! stencil
-                                      (ly:stencil-combine-at-edge
-                                        stencil
-                                        X
-                                        RIGHT
-                                        (glyph->stencil bar grob extent)
-                                        (if is-first-stencil 0 kern)))
-                                (set! is-first-stencil #f))))
-                  bar-glyph-list span-glyph-list)
-        ;; if we have a non-empty neg-stencil,
-        ;; we attach it to the left side of the stencil
-        (and (not is-first-neg-stencil)
-             (set! stencil
-                   (ly:stencil-combine-at-edge
-                     stencil
-                     X
-                     LEFT
-                     neg-stencil
-                     kern)))
-        stencil))
+    ;; We build up two separate stencils first:
+    ;; (1) the neg-stencil is built from all glyphs that have
+    ;;     a replacement-char in the span bar
+    ;; (2) the main stencil is built from all remaining glyphs
+    ;;
+    ;; Afterwards the neg-stencil is attached left to the
+    ;; stencil; this ensures that the main stencil starts
+    ;; at x = 0.
+    ;;
+    ;; For both routines holds:
+    ;; we stack the stencils obtained by the corresponding
+    ;; single glyphs with spacing 'kern' except for the
+    ;; first stencil
+    ;; (Thanks to Harm who came up with this idea!)
+    (for-each (lambda (bar span)
+                (if (and (string=? span (string replacement-char))
+                         is-first-stencil)
+                    (begin
+                      (set! neg-stencil
+                            (ly:stencil-combine-at-edge
+                             neg-stencil
+                             X
+                             RIGHT
+                             (glyph->stencil bar grob extent)
+                             (if is-first-neg-stencil 0 kern)))
+                      (set! is-first-neg-stencil #f))
+                    (begin
+                      (set! stencil
+                            (ly:stencil-combine-at-edge
+                             stencil
+                             X
+                             RIGHT
+                             (glyph->stencil bar grob extent)
+                             (if is-first-stencil 0 kern)))
+                      (set! is-first-stencil #f))))
+              bar-glyph-list span-glyph-list)
+    ;; if we have a non-empty neg-stencil,
+    ;; we attach it to the left side of the stencil
+    (and (not is-first-neg-stencil)
+         (set! stencil
+               (ly:stencil-combine-at-edge
+                stencil
+                X
+                LEFT
+                neg-stencil
+                kern)))
+    stencil))
 
 (define-public (ly:bar-line::calc-anchor grob)
   "Calculate the anchor position of a bar line. The anchor is used for
@@ -665,22 +665,22 @@ the correct placement of bar numbers etc."
          (x-extent (ly:grob-extent grob grob X))
          (anchor 0.0))
 
-        (and (> (interval-length x-extent) 0)
-             (if (or (= (length bar-glyph-list) 1)
-                     (string=? bar-glyph span-glyph)
-                     (string=? span-glyph ""))
-                 ;; We use the x-extent of the stencil if either
-                 ;; - we have a single bar-glyph
-                 ;; - bar-glyph and span-glyph are identical
-                 ;; - we have no span-glyph
-                 (set! anchor (interval-center x-extent))
-                 ;; If the conditions above do not hold,the anchor is the
-                 ;; center of the corresponding span bar stencil extent
-                 (set! anchor (interval-center
-                                (ly:stencil-extent
-                                  (span-bar::compound-bar-line grob bar-glyph dummy-extent)
-                                  X)))))
-         anchor))
+    (and (> (interval-length x-extent) 0)
+         (if (or (= (length bar-glyph-list) 1)
+                 (string=? bar-glyph span-glyph)
+                 (string=? span-glyph ""))
+             ;; We use the x-extent of the stencil if either
+             ;; - we have a single bar-glyph
+             ;; - bar-glyph and span-glyph are identical
+             ;; - we have no span-glyph
+             (set! anchor (interval-center x-extent))
+             ;; If the conditions above do not hold,the anchor is the
+             ;; center of the corresponding span bar stencil extent
+             (set! anchor (interval-center
+                           (ly:stencil-extent
+                            (span-bar::compound-bar-line grob bar-glyph dummy-extent)
+                            X)))))
+    anchor))
 
 (define-public (bar-line::calc-glyph-name grob)
   "Determine the @code{glyph-name} of the bar line depending on the
@@ -692,9 +692,9 @@ line break status."
                          glyph
                          (if (and result
                                   (string? (index-cell result dir)))
-                            (index-cell result dir)
-                            #f))))
-        glyph-name))
+                             (index-cell result dir)
+                             #f))))
+    glyph-name))
 
 (define-public (bar-line::calc-break-visibility grob)
   "Calculate the visibility of a bar line at line breaks."
@@ -716,85 +716,85 @@ The corresponding SpanBar glyph is computed within
          (pos (1- (ly:grob-array-length elts)))
          (glyph-name '()))
 
-        (while (and (eq? glyph-name '())
-                    (> pos -1))
-               (begin (set! glyph-name
-                            (ly:grob-property (ly:grob-array-ref elts pos)
-                                              'glyph-name))
-                      (set! pos (1- pos))))
-         (if (eq? glyph-name '())
-             (begin (ly:grob-suicide! grob)
-                    (set! glyph-name "")))
-        glyph-name))
+    (while (and (eq? glyph-name '())
+                (> pos -1))
+           (begin (set! glyph-name
+                        (ly:grob-property (ly:grob-array-ref elts pos)
+                                          'glyph-name))
+                  (set! pos (1- pos))))
+    (if (eq? glyph-name '())
+        (begin (ly:grob-suicide! grob)
+               (set! glyph-name "")))
+    glyph-name))
 
 (define-public (ly:span-bar::width grob)
   "Compute the width of the SpanBar stencil."
   (let ((width (cons 0 0)))
 
-       (if (grob::is-live? grob)
-           (let* ((glyph-name (ly:grob-property grob 'glyph-name))
-                  (stencil (span-bar::compound-bar-line grob
-                                                        glyph-name
-                                                        dummy-extent)))
+    (if (grob::is-live? grob)
+        (let* ((glyph-name (ly:grob-property grob 'glyph-name))
+               (stencil (span-bar::compound-bar-line grob
+                                                     glyph-name
+                                                     dummy-extent)))
 
-                 (set! width (ly:stencil-extent stencil X))))
-       width))
+          (set! width (ly:stencil-extent stencil X))))
+    width))
 
 (define-public (ly:span-bar::before-line-breaking grob)
   "A dummy callback that kills the Grob @var{grob} if it contains
 no elements."
   (let ((elts (ly:grob-object grob 'elements)))
 
-       (if (zero? (ly:grob-array-length elts))
-           (ly:grob-suicide! grob))))
+    (if (zero? (ly:grob-array-length elts))
+        (ly:grob-suicide! grob))))
 
 (define-public (span-bar::compound-bar-line grob bar-glyph extent)
   "Build the stencil of the span bar."
   (let* ((line-thickness (layout-line-thickness grob))
          (kern (* (ly:grob-property grob 'kern 1) line-thickness))
          (bar-glyph-list (string->string-list
-                           (strip-string-annotation bar-glyph)))
+                          (strip-string-annotation bar-glyph)))
          (span-glyph (assoc-get bar-glyph span-bar-glyph-alist 'undefined))
          (stencil empty-stencil))
 
-        (if (string? span-glyph)
-            (let ((span-glyph-list (string->string-list span-glyph))
-                  (is-first-stencil #t))
-
-                 (for-each (lambda (bar span)
-                           ;; the stencil stack routine is similar to the one
-                           ;; used in bar-line::compound-bar-line, but here,
-                           ;; leading replacement-chars are discarded.
-                           (if (not (and (string=? span (string replacement-char))
-                                         is-first-stencil))
-                               (begin
-                                 (set! stencil
-                                       (ly:stencil-combine-at-edge
-                                         stencil
-                                         X
-                                         RIGHT
-                                         ;; if the current glyph is the replacement-char,
-                                         ;; we take the corresponding glyph from the
-                                         ;; bar-glyph-list and insert an empty stencil
-                                         ;; with the appropriate width.
-                                         ;; (this method would fail if the bar-glyph-list
-                                         ;; were shorter than the span-glyph-list,
-                                         ;; but this makes hardly any sense from a
-                                         ;; typographical point of view
-                                         (if (string=? span (string replacement-char))
-                                             ((make-spacer-bar-line bar) grob extent)
-                                             (glyph->stencil span grob extent))
-                                         (if is-first-stencil 0 kern)))
-                                 (set! is-first-stencil #f))))
-                   bar-glyph-list span-glyph-list))
-            ;; if span-glyph is not a string, it may be #f or 'undefined;
-            ;; the latter signals that the span bar for the current bar-glyph
-            ;; is undefined, so we raise a warning.
-            (if (eq? span-glyph 'undefined)
-                (ly:warning
-                  (_ "No span bar glyph defined for bar glyph '~a'; ignoring.")
-                  bar-glyph)))
-        stencil))
+    (if (string? span-glyph)
+        (let ((span-glyph-list (string->string-list span-glyph))
+              (is-first-stencil #t))
+
+          (for-each (lambda (bar span)
+                      ;; the stencil stack routine is similar to the one
+                      ;; used in bar-line::compound-bar-line, but here,
+                      ;; leading replacement-chars are discarded.
+                      (if (not (and (string=? span (string replacement-char))
+                                    is-first-stencil))
+                          (begin
+                            (set! stencil
+                                  (ly:stencil-combine-at-edge
+                                   stencil
+                                   X
+                                   RIGHT
+                                   ;; if the current glyph is the replacement-char,
+                                   ;; we take the corresponding glyph from the
+                                   ;; bar-glyph-list and insert an empty stencil
+                                   ;; with the appropriate width.
+                                   ;; (this method would fail if the bar-glyph-list
+                                   ;; were shorter than the span-glyph-list,
+                                   ;; but this makes hardly any sense from a
+                                   ;; typographical point of view
+                                   (if (string=? span (string replacement-char))
+                                       ((make-spacer-bar-line bar) grob extent)
+                                       (glyph->stencil span grob extent))
+                                   (if is-first-stencil 0 kern)))
+                            (set! is-first-stencil #f))))
+                    bar-glyph-list span-glyph-list))
+        ;; if span-glyph is not a string, it may be #f or 'undefined;
+        ;; the latter signals that the span bar for the current bar-glyph
+        ;; is undefined, so we raise a warning.
+        (if (eq? span-glyph 'undefined)
+            (ly:warning
+             (_ "No span bar glyph defined for bar glyph '~a'; ignoring.")
+             bar-glyph)))
+    stencil))
 
 ;; The method used in the following routine depends on bar_engraver
 ;; not being removed from staff context.  If bar_engraver is removed,
@@ -815,72 +815,72 @@ no elements."
          (bar-glyph (ly:grob-property grob 'glyph-name))
          (span-bar empty-stencil))
 
-        (if (string? bar-glyph)
-            (let ((extents '())
-                  (make-span-bars '())
-                  (model-bar #f))
-
-                 ;; we compute the extents of each system and store them
-                 ;; in a list; dito for the 'allow-span-bar property.
-                 ;; model-bar takes the bar grob, if given.
-                 (map (lambda (bar)
-                      (let ((ext (bar-line::bar-y-extent bar refp))
-                            (staff-symbol (ly:grob-object bar 'staff-symbol)))
-
-                           (if (ly:grob? staff-symbol)
-                               (let ((refp-extent (ly:grob-extent staff-symbol refp Y)))
-
-                                    (set! ext (interval-union ext refp-extent))
-
-                                    (if (> (interval-length ext) 0)
-                                        (begin
-                                          (set! extents (append extents (list ext)))
-                                          (set! model-bar bar)
-                                          (set! make-span-bars
-                                            (append make-span-bars
-                                                    (list (ly:grob-property
-                                                            bar
-                                                            'allow-span-bar
-                                                            #t))))))))))
-                     elts)
-                 ;; if there is no bar grob, we use the callback argument
-                 (if (not model-bar)
-                     (set! model-bar grob))
-                 ;; we discard the first entry in make-span-bars,
-                 ;; because its corresponding bar line is the
-                 ;; uppermost and therefore not connected to
-                 ;; another bar line
-                 (if (pair? make-span-bars)
-                     (set! make-span-bars (cdr make-span-bars)))
-                 ;; the span bar reaches from the lower end of the upper staff
-                 ;; to the upper end of the lower staff - when allow-span-bar is #t
-                 (reduce (lambda (curr prev)
-                                 (let ((span-extent (cons 0 0))
-                                       (allow-span-bar (car make-span-bars)))
-
-                                      (set! make-span-bars (cdr make-span-bars))
-                                      (if (> (interval-length prev) 0)
-                                          (begin
-                                            (set! span-extent (cons (cdr prev)
-                                                                    (car curr)))
-                                            ;; draw the span bar only when the staff lines
-                                            ;; don't overlap and allow-span-bar is #t:
-                                            (and (> (interval-length span-extent) 0)
-                                                 allow-span-bar
-                                                 (set! span-bar
-                                                       (ly:stencil-add
-                                                         span-bar
-                                                         (span-bar::compound-bar-line
-                                                           model-bar
-                                                           bar-glyph
-                                                           span-extent))))))
-                                      curr))
-                         "" extents)
-                 (set! span-bar (ly:stencil-translate-axis
-                                  span-bar
-                                  (- (ly:grob-relative-coordinate grob refp Y))
-                                  Y))))
-        span-bar))
+    (if (string? bar-glyph)
+        (let ((extents '())
+              (make-span-bars '())
+              (model-bar #f))
+
+          ;; we compute the extents of each system and store them
+          ;; in a list; dito for the 'allow-span-bar property.
+          ;; model-bar takes the bar grob, if given.
+          (map (lambda (bar)
+                 (let ((ext (bar-line::bar-y-extent bar refp))
+                       (staff-symbol (ly:grob-object bar 'staff-symbol)))
+
+                   (if (ly:grob? staff-symbol)
+                       (let ((refp-extent (ly:grob-extent staff-symbol refp Y)))
+
+                         (set! ext (interval-union ext refp-extent))
+
+                         (if (> (interval-length ext) 0)
+                             (begin
+                               (set! extents (append extents (list ext)))
+                               (set! model-bar bar)
+                               (set! make-span-bars
+                                     (append make-span-bars
+                                             (list (ly:grob-property
+                                                    bar
+                                                    'allow-span-bar
+                                                    #t))))))))))
+               elts)
+          ;; if there is no bar grob, we use the callback argument
+          (if (not model-bar)
+              (set! model-bar grob))
+          ;; we discard the first entry in make-span-bars,
+          ;; because its corresponding bar line is the
+          ;; uppermost and therefore not connected to
+          ;; another bar line
+          (if (pair? make-span-bars)
+              (set! make-span-bars (cdr make-span-bars)))
+          ;; the span bar reaches from the lower end of the upper staff
+          ;; to the upper end of the lower staff - when allow-span-bar is #t
+          (reduce (lambda (curr prev)
+                    (let ((span-extent (cons 0 0))
+                          (allow-span-bar (car make-span-bars)))
+
+                      (set! make-span-bars (cdr make-span-bars))
+                      (if (> (interval-length prev) 0)
+                          (begin
+                            (set! span-extent (cons (cdr prev)
+                                                    (car curr)))
+                            ;; draw the span bar only when the staff lines
+                            ;; don't overlap and allow-span-bar is #t:
+                            (and (> (interval-length span-extent) 0)
+                                 allow-span-bar
+                                 (set! span-bar
+                                       (ly:stencil-add
+                                        span-bar
+                                        (span-bar::compound-bar-line
+                                         model-bar
+                                         bar-glyph
+                                         span-extent))))))
+                      curr))
+                  "" extents)
+          (set! span-bar (ly:stencil-translate-axis
+                          span-bar
+                          (- (ly:grob-relative-coordinate grob refp Y))
+                          Y))))
+    span-bar))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; volta bracket functions
@@ -892,7 +892,7 @@ no elements."
             (append volta-bracket-allow-volta-hook-list
                     (list bar-glyph)))
       (ly:warning (_ ("Volta hook bar line must be a string; ignoring '~a'.")
-                  bar-glyph))))
+                     bar-glyph))))
 
 (define-session volta-bracket-allow-volta-hook-list '())
 
@@ -926,8 +926,8 @@ of the volta brackets relative to the bar lines."
          ;; is the last entry with the same vag-index, so we transform the array to a list,
          ;; reverse it and search for suitable entries:
          (filtered-grobs (filter (lambda (e)
-                                         (eq? (ly:grob-get-vertical-axis-group-index e)
-                                              vag-index))
+                                   (eq? (ly:grob-get-vertical-axis-group-index e)
+                                        vag-index))
                                  (reverse (ly:grob-array->list bar-array))))
          ;; we need the first one (if any)
          (right-bar-line (if (pair? filtered-grobs)
@@ -946,44 +946,44 @@ of the volta brackets relative to the bar lines."
          (right-bar-broken (or (null? right-bar-line)
                                (not (zero? (ly:item-break-dir right-bar-line)))))
          (left-span-stencil-extent (ly:stencil-extent
+                                    (span-bar::compound-bar-line
+                                     left-bar-line
+                                     left-bar-glyph-name
+                                     dummy-extent)
+                                    X))
+         (right-span-stencil-extent (ly:stencil-extent
                                      (span-bar::compound-bar-line
-                                       left-bar-line
-                                       left-bar-glyph-name
-                                       dummy-extent)
+                                      right-bar-line
+                                      right-bar-glyph-name
+                                      dummy-extent)
                                      X))
-         (right-span-stencil-extent (ly:stencil-extent
-                                      (span-bar::compound-bar-line
-                                        right-bar-line
-                                        right-bar-glyph-name
-                                        dummy-extent)
-                                      X))
          (left-shorten 0.0)
          (right-shorten 0.0))
 
-        ;; since "empty" intervals may look like (1.0 . -1.0), we use the
-        ;; min/max functions to make sure that the placement is not corrupted
-        ;; in case of empty bar lines
-        (set! left-shorten
-              (if left-bar-broken
-                  (- (max 0 (interval-end left-span-stencil-extent))
-                     (max 0 (interval-end (ly:stencil-extent
-                                            (bar-line::compound-bar-line
-                                              left-bar-line
-                                              left-bar-glyph-name
-                                              dummy-extent)
-                                            X)))
-                     volta-half-line-thickness)
-                  (- (max 0 (interval-end left-span-stencil-extent))
-                     volta-half-line-thickness)))
-
-        (set! right-shorten
-              (if right-bar-broken
-                  (+ (- (max 0 (interval-end right-span-stencil-extent)))
-                     volta-half-line-thickness)
-                  (- (min 0 (interval-start right-span-stencil-extent))
-                     volta-half-line-thickness)))
-
-  (cons left-shorten right-shorten)))
+    ;; since "empty" intervals may look like (1.0 . -1.0), we use the
+    ;; min/max functions to make sure that the placement is not corrupted
+    ;; in case of empty bar lines
+    (set! left-shorten
+          (if left-bar-broken
+              (- (max 0 (interval-end left-span-stencil-extent))
+                 (max 0 (interval-end (ly:stencil-extent
+                                       (bar-line::compound-bar-line
+                                        left-bar-line
+                                        left-bar-glyph-name
+                                        dummy-extent)
+                                       X)))
+                 volta-half-line-thickness)
+              (- (max 0 (interval-end left-span-stencil-extent))
+                 volta-half-line-thickness)))
+
+    (set! right-shorten
+          (if right-bar-broken
+              (+ (- (max 0 (interval-end right-span-stencil-extent)))
+                 volta-half-line-thickness)
+              (- (min 0 (interval-start right-span-stencil-extent))
+                 volta-half-line-thickness)))
+
+    (cons left-shorten right-shorten)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; predefined bar glyph print procedures
diff --git a/scm/bezier-tools.scm b/scm/bezier-tools.scm
index 04859d03bb..defefc7bc4 100644
--- a/scm/bezier-tools.scm
+++ b/scm/bezier-tools.scm
@@ -16,67 +16,67 @@
 ;;;; along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 
 (define (make-coord x-value y-value)
- "Make a coordinate pair from @var{x-valye} and @var{y-value}."
- (cons x-value y-value))
+  "Make a coordinate pair from @var{x-valye} and @var{y-value}."
+  (cons x-value y-value))
 
 (define (coord+ coord1 coord2)
- "Add @var{coord1} to @var{coord2}, returning a coordinate."
- (cons (+ (car coord1) (car coord2))
-       (+ (cdr coord1) (cdr coord2))))
+  "Add @var{coord1} to @var{coord2}, returning a coordinate."
+  (cons (+ (car coord1) (car coord2))
+        (+ (cdr coord1) (cdr coord2))))
 
 (define (coord- coord1 coord2)
- "Subtract @var{coord2} from @var{coord1}."
- (cons (- (car coord1) (car coord2))
-       (- (cdr coord1) (cdr coord2))))
+  "Subtract @var{coord2} from @var{coord1}."
+  (cons (- (car coord1) (car coord2))
+        (- (cdr coord1) (cdr coord2))))
 
 (define (coord* scalar coord)
- "Multiply each component of @var{coord} by @var{scalar}."
- (cons (* (car coord) scalar)
-       (* (cdr coord) scalar)))
+  "Multiply each component of @var{coord} by @var{scalar}."
+  (cons (* (car coord) scalar)
+        (* (cdr coord) scalar)))
 
 (define (make-bezier point-0 point-1 point-2 point-3)
- "Create a cubic bezier from the four control points."
- (list point-0 point-1 point-2 point-3))
+  "Create a cubic bezier from the four control points."
+  (list point-0 point-1 point-2 point-3))
 
 (define (interpolated-control-points control-points split-value)
- "Interpolate @var{control-points} at @var{split-value}.  Return a
+  "Interpolate @var{control-points} at @var{split-value}.  Return a
 set of control points that is one degree less than @var{control-points}."
   (if (null? (cdr control-points))
       '()
       (let ((first (car control-points))
             (second (cadr control-points)))
-       (cons* (coord+ first (coord* split-value (coord- second first)))
-             (interpolated-control-points
-              (cdr control-points)
-              split-value)))))
+        (cons* (coord+ first (coord* split-value (coord- second first)))
+               (interpolated-control-points
+                (cdr control-points)
+                split-value)))))
 
 (define (split-bezier bezier split-value)
- "Split a cubic bezier defined by @var{bezier} at the value
+  "Split a cubic bezier defined by @var{bezier} at the value
 @var{split-value}.  @var{bezier} is a list of pairs; each pair is
 is the coordinates of a control point.  Returns a list of beziers.
 The first element is the LHS spline; the second
 element is the RHS spline."
-   (let* ((quad-points (interpolated-control-points
+  (let* ((quad-points (interpolated-control-points
                        bezier
                        split-value))
-          (lin-points (interpolated-control-points
-                       quad-points
+         (lin-points (interpolated-control-points
+                      quad-points
+                      split-value))
+         (const-point (interpolated-control-points
+                       lin-points
                        split-value))
-          (const-point (interpolated-control-points
-                        lin-points
-                        split-value))
-          (left-side (list (car bezier)
-                           (car quad-points)
-                           (car lin-points)
-                           (car const-point)))
-          (right-side (list (car const-point)
-                            (list-ref lin-points 1)
-                            (list-ref quad-points 2)
-                            (list-ref bezier 3))))
-   (cons left-side right-side)))
+         (left-side (list (car bezier)
+                          (car quad-points)
+                          (car lin-points)
+                          (car const-point)))
+         (right-side (list (car const-point)
+                           (list-ref lin-points 1)
+                           (list-ref quad-points 2)
+                           (list-ref bezier 3))))
+    (cons left-side right-side)))
 
 (define (multi-split-bezier bezier start-t split-list)
- "Split @var{bezier} at all the points listed in @var{split-list}.
+  "Split @var{bezier} at all the points listed in @var{split-list}.
 @var{bezier} has a parameter value that goes from @var{start-t} to 1.
 Returns a list of @var{(1+ (length split-list))} beziers."
   (let* ((bezier-split (split-bezier bezier
@@ -93,13 +93,13 @@ Returns a list of @var{(1+ (length split-list))} beziers."
 
 
 (define (bezier-sandwich-list top-bezier bottom-bezier)
- "create the list of control points for a bezier sandwich consisting
+  "create the list of control points for a bezier sandwich consisting
 of @var{top-bezier} and @var{bottom-bezier}."
- (list (list-ref bottom-bezier 1)
-       (list-ref bottom-bezier 2)
-       (list-ref bottom-bezier 3)
-       (list-ref bottom-bezier 0)
-       (list-ref top-bezier 2)
-       (list-ref top-bezier 1)
-       (list-ref top-bezier 0)
-       (list-ref top-bezier 3)))
+  (list (list-ref bottom-bezier 1)
+        (list-ref bottom-bezier 2)
+        (list-ref bottom-bezier 3)
+        (list-ref bottom-bezier 0)
+        (list-ref top-bezier 2)
+        (list-ref top-bezier 1)
+        (list-ref top-bezier 0)
+        (list-ref top-bezier 3)))
diff --git a/scm/c++.scm b/scm/c++.scm
index f0c5d3aea9..8f4986a257 100644
--- a/scm/c++.scm
+++ b/scm/c++.scm
@@ -98,8 +98,8 @@
   (if (null? alist)
       "Unknown type"
       (if (apply (caar alist) obj)
-	  (cdar alist)
-	  (match-predicate obj (cdr alist)))))
+          (cdar alist)
+          (match-predicate obj (cdr alist)))))
 
 (define-public (object-type obj)
   (match-predicate obj type-p-name-alist))
diff --git a/scm/chord-entry.scm b/scm/chord-entry.scm
index 28ae97442c..35946731bb 100644
--- a/scm/chord-entry.scm
+++ b/scm/chord-entry.scm
@@ -26,63 +26,63 @@ Notes: Natural 11 is left from chord if not explicitly specified.
 
 Entry point for the parser."
   (let* ((flat-mods (flatten-list modifications))
-	 (base-chord (stack-thirds (ly:make-pitch 0 4 0) the-canonical-chord))
-	 (complete-chord '())
-	 (bass #f)
-	 (inversion #f)
-	 (lead-mod #f)
-	 (explicit-11 #f)
-	 (start-additions #t))
+         (base-chord (stack-thirds (ly:make-pitch 0 4 0) the-canonical-chord))
+         (complete-chord '())
+         (bass #f)
+         (inversion #f)
+         (lead-mod #f)
+         (explicit-11 #f)
+         (start-additions #t))
 
     (define (interpret-inversion chord mods)
       "Read /FOO part.  Side effect: INVERSION is set."
       (if (and (> (length mods) 1) (eq? (car mods) 'chord-slash))
-	  (begin
-	    (set! inversion (cadr mods))
-	    (set! mods (cddr mods))))
+          (begin
+            (set! inversion (cadr mods))
+            (set! mods (cddr mods))))
       (interpret-bass chord mods))
 
     (define (interpret-bass chord mods)
       "Read /+FOO part.  Side effect: BASS is set."
       (if (and (> (length mods) 1) (eq? (car mods) 'chord-bass))
-	  (begin
-	    (set! bass (cadr mods))
-	    (set! mods (cddr mods))))
+          (begin
+            (set! bass (cadr mods))
+            (set! mods (cddr mods))))
       (if (pair? mods)
-	  (ly:warning (_ "Spurious garbage following chord: ~A") mods))
+          (ly:warning (_ "Spurious garbage following chord: ~A") mods))
       chord)
 
-    (define (interpret-removals	 chord mods)
+    (define (interpret-removals  chord mods)
       (define (inner-interpret chord mods)
-	(if (and (pair? mods) (ly:pitch? (car mods)))
-	    (inner-interpret (remove-step (+ 1	(ly:pitch-steps (car mods))) chord)
-			     (cdr mods))
-	    (interpret-inversion chord mods)))
+        (if (and (pair? mods) (ly:pitch? (car mods)))
+            (inner-interpret (remove-step (+ 1  (ly:pitch-steps (car mods))) chord)
+                             (cdr mods))
+            (interpret-inversion chord mods)))
       (if (and (pair? mods) (eq? (car mods) 'chord-caret))
-	  (inner-interpret chord (cdr mods))
-	  (interpret-inversion chord mods)))
+          (inner-interpret chord (cdr mods))
+          (interpret-inversion chord mods)))
 
     (define (interpret-additions chord mods)
       "Interpret additions.  TODO: should restrict modifier use?"
       (cond ((null? mods) chord)
-	    ((ly:pitch? (car mods))
-	     (if (= (pitch-step (car mods)) 11)
-		 (set! explicit-11 #t))
-	     (interpret-additions (cons (car mods) (remove-step (pitch-step (car mods)) chord))
-				  (cdr mods)))
-	    ((procedure? (car mods))
-	     (interpret-additions ((car mods) chord)
-				  (cdr mods)))
-	    (else (interpret-removals chord mods))))
+            ((ly:pitch? (car mods))
+             (if (= (pitch-step (car mods)) 11)
+                 (set! explicit-11 #t))
+             (interpret-additions (cons (car mods) (remove-step (pitch-step (car mods)) chord))
+                                  (cdr mods)))
+            ((procedure? (car mods))
+             (interpret-additions ((car mods) chord)
+                                  (cdr mods)))
+            (else (interpret-removals chord mods))))
 
     (define (pitch-octavated-strictly-below p root)
-      "return P, but octavated, so it is below	ROOT"
+      "return P, but octavated, so it is below  ROOT"
       (ly:make-pitch (+ (ly:pitch-octave root)
-			(if (> (ly:pitch-notename root)
-			       (ly:pitch-notename p))
-			    0 -1))
-		     (ly:pitch-notename p)
-		     (ly:pitch-alteration p)))
+                        (if (> (ly:pitch-notename root)
+                               (ly:pitch-notename p))
+                            0 -1))
+                     (ly:pitch-notename p)
+                     (ly:pitch-alteration p)))
 
     (define (process-inversion complete-chord)
       "Take out inversion from COMPLETE-CHORD, and put it at the bottom.
@@ -94,82 +94,82 @@ the bass specified.
 
 "
       (let* ((root (car complete-chord))
-	     (inv? (lambda (y)
-		     (and (= (ly:pitch-notename y)
-			     (ly:pitch-notename inversion))
-			  (= (ly:pitch-alteration y)
-			     (ly:pitch-alteration inversion)))))
-	     (rest-of-chord (remove inv? complete-chord))
-	     (inversion-candidates (filter inv? complete-chord))
-	     (down-inversion (pitch-octavated-strictly-below inversion root)))
-	(if (pair? inversion-candidates)
-	    (set! inversion (car inversion-candidates))
-	    (begin
-	      (set! bass inversion)
-	      (set! inversion #f)))
-	(if inversion
-	    (cons down-inversion rest-of-chord)
-	    rest-of-chord)))
+             (inv? (lambda (y)
+                     (and (= (ly:pitch-notename y)
+                             (ly:pitch-notename inversion))
+                          (= (ly:pitch-alteration y)
+                             (ly:pitch-alteration inversion)))))
+             (rest-of-chord (remove inv? complete-chord))
+             (inversion-candidates (filter inv? complete-chord))
+             (down-inversion (pitch-octavated-strictly-below inversion root)))
+        (if (pair? inversion-candidates)
+            (set! inversion (car inversion-candidates))
+            (begin
+              (set! bass inversion)
+              (set! inversion #f)))
+        (if inversion
+            (cons down-inversion rest-of-chord)
+            rest-of-chord)))
     ;; root is always one octave too low.
     ;; something weird happens when this is removed,
     ;; every other chord is octavated. --hwn... hmmm.
     (set! root (ly:pitch-transpose root (ly:make-pitch 1 0 0)))
     ;; skip the leading : , we need some of the stuff following it.
     (if (pair? flat-mods)
-	(if (eq? (car flat-mods) 'chord-colon)
-	    (set! flat-mods (cdr flat-mods))
-	    (set! start-additions #f)))
+        (if (eq? (car flat-mods) 'chord-colon)
+            (set! flat-mods (cdr flat-mods))
+            (set! start-additions #f)))
     ;; remember modifier
     (if (and (pair? flat-mods) (procedure? (car flat-mods)))
-	(begin
-	  (set! lead-mod (car flat-mods))
-	  (set! flat-mods (cdr flat-mods))))
+        (begin
+          (set! lead-mod (car flat-mods))
+          (set! flat-mods (cdr flat-mods))))
     ;; extract first number if present, and build pitch list.
     (if (and (pair? flat-mods)
-	     (ly:pitch?	 (car flat-mods))
-	     (not (eq? lead-mod sus-modifier)))
-	(begin
-	  (if (= (pitch-step (car flat-mods)) 11)
-	      (set! explicit-11 #t))
-	  (set! base-chord
-		(stack-thirds (car flat-mods) the-canonical-chord))
-	  (set! flat-mods (cdr flat-mods))))
+             (ly:pitch?  (car flat-mods))
+             (not (eq? lead-mod sus-modifier)))
+        (begin
+          (if (= (pitch-step (car flat-mods)) 11)
+              (set! explicit-11 #t))
+          (set! base-chord
+                (stack-thirds (car flat-mods) the-canonical-chord))
+          (set! flat-mods (cdr flat-mods))))
     ;; apply modifier
     (if (procedure? lead-mod)
-	(set! base-chord (lead-mod base-chord)))
+        (set! base-chord (lead-mod base-chord)))
     (set! complete-chord
-	  (if start-additions
-	      (interpret-additions base-chord flat-mods)
-	      (interpret-removals base-chord flat-mods)))
+          (if start-additions
+              (interpret-additions base-chord flat-mods)
+              (interpret-removals base-chord flat-mods)))
     (set! complete-chord (sort complete-chord ly:pitch<?))
     ;; If natural 11 + natural 3 is present, but not given explicitly,
     ;; we remove the 11.
     (if (and (not explicit-11)
-	     (get-step 11 complete-chord)
-	     (get-step 3 complete-chord)
-	     (= 0 (ly:pitch-alteration (get-step 11 complete-chord)))
-	     (= 0 (ly:pitch-alteration (get-step 3 complete-chord))))
-	(set! complete-chord (remove-step 11 complete-chord)))
+             (get-step 11 complete-chord)
+             (get-step 3 complete-chord)
+             (= 0 (ly:pitch-alteration (get-step 11 complete-chord)))
+             (= 0 (ly:pitch-alteration (get-step 3 complete-chord))))
+        (set! complete-chord (remove-step 11 complete-chord)))
     ;; must do before processing inversion/bass, since they are
     ;; not relative to the root.
     (set! complete-chord (map (lambda (x) (ly:pitch-transpose x root))
-			      complete-chord))
+                              complete-chord))
     (if inversion
-	(set! complete-chord (process-inversion complete-chord)))
+        (set! complete-chord (process-inversion complete-chord)))
     (if bass
-	(set! bass (pitch-octavated-strictly-below bass root)))
+        (set! bass (pitch-octavated-strictly-below bass root)))
     (if #f
-	(begin
-	  (write-me "\n*******\n" flat-mods)
-	  (write-me "root: " root)
-	  (write-me "base chord: " base-chord)
-	  (write-me "complete chord: " complete-chord)
-	  (write-me "inversion: " inversion)
-	  (write-me "bass: " bass)))
+        (begin
+          (write-me "\n*******\n" flat-mods)
+          (write-me "root: " root)
+          (write-me "base chord: " base-chord)
+          (write-me "complete chord: " complete-chord)
+          (write-me "inversion: " inversion)
+          (write-me "bass: " bass)))
     (if inversion
-	(make-chord-elements (cdr complete-chord) bass duration (car complete-chord)
-		    inversion)
-	(make-chord-elements complete-chord bass duration #f #f))))
+        (make-chord-elements (cdr complete-chord) bass duration (car complete-chord)
+                             inversion)
+        (make-chord-elements complete-chord bass duration #f #f))))
 
 
 (define (make-chord-elements pitches bass duration inversion original-inv-pitch)
@@ -180,23 +180,23 @@ DURATION, and INVERSION."
                 'duration duration
                 'pitch pitch))
   (let ((nots (map make-note-ev pitches))
-	(bass-note (if bass (make-note-ev bass) #f))
-	(inv-note (if inversion (make-note-ev inversion) #f)))
+        (bass-note (if bass (make-note-ev bass) #f))
+        (inv-note (if inversion (make-note-ev inversion) #f)))
     (if bass-note
-	(begin
-	  (set! (ly:music-property bass-note 'bass) #t)
-	  (set! nots (cons bass-note nots))))
+        (begin
+          (set! (ly:music-property bass-note 'bass) #t)
+          (set! nots (cons bass-note nots))))
     (if inv-note
-	(begin
-	  (set! (ly:music-property inv-note 'inversion) #t)
-	  (set! (ly:music-property inv-note 'octavation)
-		(- (ly:pitch-octave inversion)
-		   (ly:pitch-octave original-inv-pitch)))
-	  (set! nots (cons inv-note nots))))
+        (begin
+          (set! (ly:music-property inv-note 'inversion) #t)
+          (set! (ly:music-property inv-note 'octavation)
+                (- (ly:pitch-octave inversion)
+                   (ly:pitch-octave original-inv-pitch)))
+          (set! nots (cons inv-note nots))))
     nots))
 
 ;;;;;;;;;;;;;;;;
-; chord modifiers change the pitch list.
+                                        ; chord modifiers change the pitch list.
 
 (define (aug-modifier pitches)
   (set! pitches (replace-step (ly:make-pitch 0 4 SHARP) pitches))
@@ -229,20 +229,20 @@ DURATION, and INVERSION."
 ;; canonical 13 chord.
 (define the-canonical-chord
   (map (lambda (n)
-	 (define (nca x)
-	   (if (= x 7) FLAT 0))
+         (define (nca x)
+           (if (= x 7) FLAT 0))
 
-	 (if (>= n 8)
-	     (ly:make-pitch 1 (- n 8) (nca n))
-	     (ly:make-pitch 0 (- n 1) (nca n))))
+         (if (>= n 8)
+             (ly:make-pitch 1 (- n 8) (nca n))
+             (ly:make-pitch 0 (- n 1) (nca n))))
        '(1 3 5 7 9 11 13)))
 
 (define (stack-thirds upper-step base)
   "Stack thirds listed in BASE until we reach UPPER-STEP.  Add
 UPPER-STEP separately."
   (cond ((null? base) '())
-	((> (ly:pitch-steps upper-step) (ly:pitch-steps (car base)))
-	 (cons (car base) (stack-thirds upper-step (cdr base))))
-	((<= (ly:pitch-steps upper-step) (ly:pitch-steps (car base)))
-	 (list upper-step))
-	(else '())))
+        ((> (ly:pitch-steps upper-step) (ly:pitch-steps (car base)))
+         (cons (car base) (stack-thirds upper-step (cdr base))))
+        ((<= (ly:pitch-steps upper-step) (ly:pitch-steps (car base)))
+         (list upper-step))
+        (else '())))
diff --git a/scm/chord-generic-names.scm b/scm/chord-generic-names.scm
index abc39e3518..c366a70b54 100644
--- a/scm/chord-generic-names.scm
+++ b/scm/chord-generic-names.scm
@@ -23,7 +23,7 @@
 
 
 (define (default-note-namer pitch)
- (note-name->markup pitch #f))
+  (note-name->markup pitch #f))
 
 (define (markup-or-empty-markup markup)
   "Return MARKUP if markup, else empty-markup"
@@ -34,7 +34,7 @@
   (if bool
       (make-line-markup
        (list (make-hspace-markup amount)
-	     markup))
+             markup))
       markup))
 
 (define-public (banter-chord-names pitches bass inversion context)
@@ -46,7 +46,7 @@
    'jazz pitches bass inversion context '()))
 
 (define-public (ugh-compat-double-plus-new-chord->markup
-		style pitches bass inversion context options)
+                style pitches bass inversion context options)
   "Entry point for @code{New_chord_name_engraver}.
 
 FIXME: func, options/context have changed
@@ -57,35 +57,35 @@ See @file{double-plus-new-chord-name.scm} for the signature of @var{style}.
 
   (define (step-nr pitch)
     (let* ((pitch-nr (+ (* 7 (ly:pitch-octave pitch))
-			(ly:pitch-notename pitch)))
-	   (root-nr (+ (* 7 (ly:pitch-octave (car pitches)))
-			(ly:pitch-notename (car pitches)))))
+                        (ly:pitch-notename pitch)))
+           (root-nr (+ (* 7 (ly:pitch-octave (car pitches)))
+                       (ly:pitch-notename (car pitches)))))
       (+ 1 (- pitch-nr root-nr))))
 
   (define (next-third pitch)
     (ly:pitch-transpose pitch
-			(ly:make-pitch 0 2 (if (or (= (step-nr pitch) 3)
-						   (= (step-nr pitch) 5))
-					       FLAT 0))))
+                        (ly:make-pitch 0 2 (if (or (= (step-nr pitch) 3)
+                                                   (= (step-nr pitch) 5))
+                                               FLAT 0))))
 
   (define (step-alteration pitch)
     (let* ((diff (ly:pitch-diff (ly:make-pitch 0 0 0) (car pitches)))
-	   (normalized-pitch (ly:pitch-transpose pitch diff))
-	   (alteration (ly:pitch-alteration normalized-pitch)))
+           (normalized-pitch (ly:pitch-transpose pitch diff))
+           (alteration (ly:pitch-alteration normalized-pitch)))
       (if (= (step-nr pitch) 7) (+ alteration SEMI-TONE) alteration)))
 
   (define (pitch-unalter pitch)
     (let ((alteration (step-alteration pitch)))
       (if (= alteration 0)
-	  pitch
-	  (ly:make-pitch (ly:pitch-octave pitch) (ly:pitch-notename pitch)
-			 (- (ly:pitch-alteration pitch) alteration)))))
+          pitch
+          (ly:make-pitch (ly:pitch-octave pitch) (ly:pitch-notename pitch)
+                         (- (ly:pitch-alteration pitch) alteration)))))
 
   (define (step-even-or-altered? pitch)
     (let ((nr (step-nr pitch)))
       (if (!= (modulo nr 2) 0)
-	  (!= (step-alteration pitch) 0)
-	  #t)))
+          (!= (step-alteration pitch) 0)
+          #t)))
 
   (define (step->markup-plusminus pitch)
     (make-line-markup
@@ -93,111 +93,111 @@ See @file{double-plus-new-chord-name.scm} for the signature of @var{style}.
       (make-simple-markup (number->string (step-nr pitch)))
       (make-simple-markup
        (case (step-alteration pitch)
-	 ((DOUBLE-FLAT) "--")
-	 ((FLAT) "-")
-	 ((NATURAL) "")
-	 ((SHARP) "+")
-	 ((DOUBLE-SHARP) "++"))))))
+         ((DOUBLE-FLAT) "--")
+         ((FLAT) "-")
+         ((NATURAL) "")
+         ((SHARP) "+")
+         ((DOUBLE-SHARP) "++"))))))
 
   (define (step->markup-accidental pitch)
     (make-line-markup
      (list (accidental->markup (step-alteration pitch))
-	   (make-simple-markup (number->string (step-nr pitch))))))
+           (make-simple-markup (number->string (step-nr pitch))))))
 
   (define (step->markup-ignatzek pitch)
     (make-line-markup
      (if (and (= (step-nr pitch) 7)
-	      (= (step-alteration pitch) 1))
-	 (list (ly:context-property context 'majorSevenSymbol))
-	 (list (accidental->markup (step-alteration pitch))
-	       (make-simple-markup (number->string (step-nr pitch)))))))
+              (= (step-alteration pitch) 1))
+         (list (ly:context-property context 'majorSevenSymbol))
+         (list (accidental->markup (step-alteration pitch))
+               (make-simple-markup (number->string (step-nr pitch)))))))
 
   ;; tja, kennok
   (define (make-sub->markup step->markup)
     (lambda (pitch)
       (make-line-markup (list (make-simple-markup "no")
-			      (step->markup pitch)))))
+                              (step->markup pitch)))))
 
   (define (step-based-sub->markup step->markup pitch)
     (make-line-markup (list (make-simple-markup "no") (step->markup pitch))))
 
   (define (get-full-list pitch)
     (if (<= (step-nr pitch) (step-nr (last pitches)))
-	(cons pitch (get-full-list (next-third pitch)))
-	'()))
+        (cons pitch (get-full-list (next-third pitch)))
+        '()))
 
   (define (get-consecutive nr pitches)
     (if (pair? pitches)
-	(let* ((pitch-nr (step-nr (car pitches)))
-	       (next-nr (if (!= (modulo pitch-nr 2) 0) (+ pitch-nr 2) nr)))
-	  (if (<= pitch-nr nr)
-	      (cons (car pitches) (get-consecutive next-nr (cdr pitches)))
-	      '()))
-	'()))
+        (let* ((pitch-nr (step-nr (car pitches)))
+               (next-nr (if (!= (modulo pitch-nr 2) 0) (+ pitch-nr 2) nr)))
+          (if (<= pitch-nr nr)
+              (cons (car pitches) (get-consecutive next-nr (cdr pitches)))
+              '()))
+        '()))
 
   (define (full-match exceptions)
     (if (pair? exceptions)
-	(let* ((e (car exceptions))
-	       (e-pitches (car e)))
-	  (if (equal? e-pitches pitches)
-	      e
-	      (full-match (cdr exceptions))))
-	#f))
+        (let* ((e (car exceptions))
+               (e-pitches (car e)))
+          (if (equal? e-pitches pitches)
+              e
+              (full-match (cdr exceptions))))
+        #f))
 
   (define (partial-match exceptions)
     (if (pair? exceptions)
-	(let* ((e (car exceptions))
-	       (e-pitches (car e)))
-	  (if (equal? e-pitches (take pitches (length e-pitches)))
-	      e
-	      (partial-match (cdr exceptions))))
-	#f))
+        (let* ((e (car exceptions))
+               (e-pitches (car e)))
+          (if (equal? e-pitches (take pitches (length e-pitches)))
+              e
+              (partial-match (cdr exceptions))))
+        #f))
 
   (if #f (begin
-	   (write-me "pitches: " pitches)))
+           (write-me "pitches: " pitches)))
   (let* ((full-exceptions
-	  (ly:context-property context 'chordNameExceptionsFull))
-	 (full-exception (full-match full-exceptions))
-	 (full-markup (if full-exception (cadr full-exception) '()))
-	 (partial-exceptions
-	  (ly:context-property context 'chordNameExceptionsPartial))
-	 (partial-exception (partial-match partial-exceptions))
-	 (partial-pitches (if partial-exception (car partial-exception) '()))
-	 (partial-markup-prefix
-	  (if partial-exception (markup-or-empty-markup
-				 (cadr partial-exception)) empty-markup))
-	 (partial-markup-suffix
-	  (if (and partial-exception (pair? (cddr partial-exception)))
-	      (markup-or-empty-markup (caddr partial-exception)) empty-markup))
-	 (root (car pitches))
-	 (full (get-full-list root))
-	 ;; kludge alert: replace partial matched lower part of all with
-	 ;; 'normal' pitches from full
-	 ;; (all pitches)
-	 (all (append (take full (length partial-pitches))
-		      (drop pitches (length partial-pitches))))
-
-	 (highest (last all))
-	 (missing (list-minus full (map pitch-unalter all)))
-	 (consecutive (get-consecutive 1 all))
-	 (rest (list-minus all consecutive))
-	 (altered (filter step-even-or-altered? all))
-	 (cons-alt (filter step-even-or-altered? consecutive))
-	 (base (list-minus consecutive altered)))
+          (ly:context-property context 'chordNameExceptionsFull))
+         (full-exception (full-match full-exceptions))
+         (full-markup (if full-exception (cadr full-exception) '()))
+         (partial-exceptions
+          (ly:context-property context 'chordNameExceptionsPartial))
+         (partial-exception (partial-match partial-exceptions))
+         (partial-pitches (if partial-exception (car partial-exception) '()))
+         (partial-markup-prefix
+          (if partial-exception (markup-or-empty-markup
+                                 (cadr partial-exception)) empty-markup))
+         (partial-markup-suffix
+          (if (and partial-exception (pair? (cddr partial-exception)))
+              (markup-or-empty-markup (caddr partial-exception)) empty-markup))
+         (root (car pitches))
+         (full (get-full-list root))
+         ;; kludge alert: replace partial matched lower part of all with
+         ;; 'normal' pitches from full
+         ;; (all pitches)
+         (all (append (take full (length partial-pitches))
+                      (drop pitches (length partial-pitches))))
+
+         (highest (last all))
+         (missing (list-minus full (map pitch-unalter all)))
+         (consecutive (get-consecutive 1 all))
+         (rest (list-minus all consecutive))
+         (altered (filter step-even-or-altered? all))
+         (cons-alt (filter step-even-or-altered? consecutive))
+         (base (list-minus consecutive altered)))
 
 
     (if #f (begin
-	     (write-me "full:" full)
-	      ;; (write-me "partial-pitches:" partial-pitches)
-	      (write-me "full-markup:" full-markup)
-	      (write-me "partial-markup-perfix:" partial-markup-prefix)
-	      (write-me "partial-markup-suffix:" partial-markup-suffix)
-	      (write-me "all:" all)
-	      (write-me "altered:" altered)
-	      (write-me "missing:" missing)
-	      (write-me "consecutive:" consecutive)
-	      (write-me "rest:" rest)
-	      (write-me "base:" base)))
+             (write-me "full:" full)
+             ;; (write-me "partial-pitches:" partial-pitches)
+             (write-me "full-markup:" full-markup)
+             (write-me "partial-markup-perfix:" partial-markup-prefix)
+             (write-me "partial-markup-suffix:" partial-markup-suffix)
+             (write-me "all:" all)
+             (write-me "altered:" altered)
+             (write-me "missing:" missing)
+             (write-me "consecutive:" consecutive)
+             (write-me "rest:" rest)
+             (write-me "base:" base)))
 
     (case style
       ((banter)
@@ -206,36 +206,36 @@ See @file{double-plus-new-chord-name.scm} for the signature of @var{style}.
        ;;    + subs:missing
 
        (let* ((root->markup (assoc-get
-			      'root->markup options default-note-namer))
-	      (step->markup (assoc-get
-			     'step->markup options step->markup-plusminus))
-	      (sub->markup (assoc-get
-			    'sub->markup options
-			    (lambda (x)
-			      (step-based-sub->markup step->markup x))))
-	      (sep (assoc-get
-		    'separator options (make-simple-markup "/"))))
-
-	 (if
-	  (pair? full-markup)
-	  (make-line-markup (list (root->markup root) full-markup))
-
-	  (make-line-markup
-	   (list
-	    (root->markup root)
-	    partial-markup-prefix
-	    (make-normal-size-super-markup
-	     (markup-join
-	      (apply append
-		     (map step->markup
-			  (append altered
-				  (if (and (> (step-nr highest) 5)
-					   (not
-					    (step-even-or-altered? highest)))
-				      (list highest) '())))
-		      (list partial-markup-suffix)
-		     (list (map sub->markup missing)))
-	      sep)))))))
+                             'root->markup options default-note-namer))
+              (step->markup (assoc-get
+                             'step->markup options step->markup-plusminus))
+              (sub->markup (assoc-get
+                            'sub->markup options
+                            (lambda (x)
+                              (step-based-sub->markup step->markup x))))
+              (sep (assoc-get
+                    'separator options (make-simple-markup "/"))))
+
+         (if
+          (pair? full-markup)
+          (make-line-markup (list (root->markup root) full-markup))
+
+          (make-line-markup
+           (list
+            (root->markup root)
+            partial-markup-prefix
+            (make-normal-size-super-markup
+             (markup-join
+              (apply append
+                     (map step->markup
+                          (append altered
+                                  (if (and (> (step-nr highest) 5)
+                                           (not
+                                            (step-even-or-altered? highest)))
+                                      (list highest) '())))
+                     (list partial-markup-suffix)
+                     (list (map sub->markup missing)))
+              sep)))))))
 
 
       ((jazz)
@@ -244,49 +244,49 @@ See @file{double-plus-new-chord-name.scm} for the signature of @var{style}.
        ;;    + 'add'
        ;;    + steps:rest
        (let* ((root->markup (assoc-get
-			      'root->markup options default-note-namer))
-	      (step->markup
-	       (assoc-get
-		;; FIXME: ignatzek
-		;;'step->markup options step->markup-accidental))
-		'step->markup options step->markup-ignatzek))
-	      (sep (assoc-get
-		    'separator options (make-simple-markup " ")))
-	      (add-prefix (assoc-get 'add-prefix options
-					     (make-simple-markup " add"))))
-
-	 (if
-	  (pair? full-markup)
-	  (make-line-markup (list (root->markup root) full-markup))
-
-	  (make-line-markup
-	   (list
-	    (root->markup root)
-	    partial-markup-prefix
-	    (make-normal-size-super-markup
-	     (make-line-markup
-	      (list
-
-	       ;; kludge alert: omit <= 5
-	       ;;(markup-join (map step->markup
-	       ;;			 (cons (last base) cons-alt)) sep)
-
-	       ;; This fixes:
-	       ;;  c     C5       -> C
-	       ;;  c:2   C5 2     -> C2
-	       ;;  c:3-  Cm5      -> Cm
-	       ;;  c:6.9 C5 6add9 -> C6 add 9 (add?)
-	       ;;  ch = \chords { c c:2 c:3- c:6.9^7 }
-	       (markup-join (map step->markup
-  				 (let ((tb (last base)))
-  				   (if (> (step-nr tb) 5)
-  				       (cons tb cons-alt)
-  				       cons-alt))) sep)
-
-	       (if (pair? rest)
-		   add-prefix
-		   empty-markup)
-	       (markup-join (map step->markup rest) sep)
-	       partial-markup-suffix))))))))
-
-       (else empty-markup))))
+                             'root->markup options default-note-namer))
+              (step->markup
+               (assoc-get
+                ;; FIXME: ignatzek
+                ;;'step->markup options step->markup-accidental))
+                'step->markup options step->markup-ignatzek))
+              (sep (assoc-get
+                    'separator options (make-simple-markup " ")))
+              (add-prefix (assoc-get 'add-prefix options
+                                     (make-simple-markup " add"))))
+
+         (if
+          (pair? full-markup)
+          (make-line-markup (list (root->markup root) full-markup))
+
+          (make-line-markup
+           (list
+            (root->markup root)
+            partial-markup-prefix
+            (make-normal-size-super-markup
+             (make-line-markup
+              (list
+
+               ;; kludge alert: omit <= 5
+               ;;(markup-join (map step->markup
+               ;;                        (cons (last base) cons-alt)) sep)
+
+               ;; This fixes:
+               ;;  c     C5       -> C
+               ;;  c:2   C5 2     -> C2
+               ;;  c:3-  Cm5      -> Cm
+               ;;  c:6.9 C5 6add9 -> C6 add 9 (add?)
+               ;;  ch = \chords { c c:2 c:3- c:6.9^7 }
+               (markup-join (map step->markup
+                                 (let ((tb (last base)))
+                                   (if (> (step-nr tb) 5)
+                                       (cons tb cons-alt)
+                                       cons-alt))) sep)
+
+               (if (pair? rest)
+                   add-prefix
+                   empty-markup)
+               (markup-join (map step->markup rest) sep)
+               partial-markup-suffix))))))))
+
+      (else empty-markup))))
diff --git a/scm/chord-name.scm b/scm/chord-name.scm
index 606d806660..c75d91ba97 100644
--- a/scm/chord-name.scm
+++ b/scm/chord-name.scm
@@ -35,8 +35,8 @@
   (make-smaller-markup
    (make-raise-markup
     (if (= alteration FLAT)
-	0.3
-	0.6)
+        0.3
+        0.6)
     (make-musicglyph-markup
      (assoc-get alteration standard-alteration-glyph-name-alist "")))))
 
@@ -55,9 +55,9 @@
       (make-line-markup
        (list
         (make-hspace-markup (if (= alteration FLAT) 0.57285385 0.5))
-	(make-raise-markup 0.7 (alteration->text-accidental-markup alteration))
-	(make-hspace-markup (if (= alteration SHARP) 0.2 0.1))
-	))))
+        (make-raise-markup 0.7 (alteration->text-accidental-markup alteration))
+        (make-hspace-markup (if (= alteration SHARP) 0.2 0.1))
+        ))))
 
 (define-public (note-name->markup pitch lowercase?)
   "Return pitch markup for @var{pitch}."
@@ -73,38 +73,38 @@
   (inexact->exact (round (* (ly:pitch-alteration pitch) 2))))
 
 (define-safe-public ((chord-name->german-markup B-instead-of-Bb)
-		     pitch lowercase?)
+                     pitch lowercase?)
   "Return pitch markup for PITCH, using german note names.
    If B-instead-of-Bb is set to #t real german names are returned.
    Otherwise semi-german names (with Bb and below keeping the british names)
 "
   (let* ((name (ly:pitch-notename pitch))
          (alt-semitones  (pitch-alteration-semitones pitch))
-	 (n-a (if (member (cons name alt-semitones) `((6 . -1) (6 . -2)))
-		  (cons 7 (+ (if B-instead-of-Bb 1 0) alt-semitones))
-		  (cons name alt-semitones))))
+         (n-a (if (member (cons name alt-semitones) `((6 . -1) (6 . -2)))
+                  (cons 7 (+ (if B-instead-of-Bb 1 0) alt-semitones))
+                  (cons name alt-semitones))))
     (make-line-markup
      (list
       (make-simple-markup
        (conditional-string-downcase
-		(vector-ref #("C" "D" "E" "F" "G" "A" "H" "B") (car n-a))
-		lowercase?))
+        (vector-ref #("C" "D" "E" "F" "G" "A" "H" "B") (car n-a))
+        lowercase?))
       (make-normal-size-super-markup
        (accidental->markup (/ (cdr n-a) 2)))))))
 
 (define-safe-public (note-name->german-markup pitch lowercase?)
   (let* ((name (ly:pitch-notename pitch))
-	 (alt-semitones (pitch-alteration-semitones pitch))
-	 (n-a (if (member (cons name alt-semitones) `((6 . -1) (6 . -2)))
-		  (cons 7 (+ 1 alt-semitones))
-		  (cons name alt-semitones))))
+         (alt-semitones (pitch-alteration-semitones pitch))
+         (n-a (if (member (cons name alt-semitones) `((6 . -1) (6 . -2)))
+                  (cons 7 (+ 1 alt-semitones))
+                  (cons name alt-semitones))))
     (make-line-markup
      (list
       (string-append
        (list-ref '("c" "d" "e" "f" "g" "a" "h" "b") (car n-a))
        (if (or (equal? (car n-a) 2) (equal? (car n-a) 5))
-	   (list-ref '( "ses" "s" "" "is" "isis") (+ 2 (cdr n-a)))
-	   (list-ref '("eses" "es" "" "is" "isis") (+ 2 (cdr n-a)))))))))
+           (list-ref '( "ses" "s" "" "is" "isis") (+ 2 (cdr n-a)))
+           (list-ref '("eses" "es" "" "is" "isis") (+ 2 (cdr n-a)))))))))
 
 (define-public ((chord-name->italian-markup re-with-eacute) pitch lowercase?)
   "Return pitch markup for @var{pitch}, using Italian/@/French note names.
@@ -117,12 +117,12 @@ pitch@tie{}D instead of `re'."
      (list
       (make-simple-markup
        (conditional-string-downcase
-		(vector-ref
-		 (if re-with-eacute
-		     #("Do" "Ré" "Mi" "Fa" "Sol" "La" "Si")
-		     #("Do" "Re" "Mi" "Fa" "Sol" "La" "Si"))
-		 name)
-		lowercase?))
+        (vector-ref
+         (if re-with-eacute
+             #("Do" "Ré" "Mi" "Fa" "Sol" "La" "Si")
+             #("Do" "Re" "Mi" "Fa" "Sol" "La" "Si"))
+         name)
+        lowercase?))
       (accidental->markup-italian alt)
       ))))
 
@@ -136,29 +136,29 @@ FOOBAR-MARKUP) if OMIT-ROOT is given and non-false.
 
   (define (chord-to-exception-entry m)
     (let* ((elts (ly:music-property m 'elements))
-	   (omit-root (and (pair? rest) (car rest)))
-	   (pitches (map (lambda (x) (ly:music-property x 'pitch))
-			 (filter
-			  (lambda (y) (memq 'note-event
-					    (ly:music-property y 'types)))
-			  elts)))
-	   (sorted (sort pitches ly:pitch<?))
-	   (root (car sorted))
-
-	   ;; ugh?
-	   ;;(diff (ly:pitch-diff root (ly:make-pitch -1 0 0)))
-	   ;; FIXME.  This results in #<Pitch c> ...,
-	   ;; but that is what we need because default octave for
-	   ;; \chords has changed to c' too?
-	   (diff (ly:pitch-diff root (ly:make-pitch 0 0 0)))
-	   (normalized (map (lambda (x) (ly:pitch-diff x diff)) sorted))
-	   (texts (map (lambda (x) (ly:music-property x 'text))
-		       (filter
-			(lambda (y) (memq 'text-script-event
-					  (ly:music-property y 'types)))
-			elts)))
-
-	   (text (if (null? texts) #f (if omit-root (car texts) texts))))
+           (omit-root (and (pair? rest) (car rest)))
+           (pitches (map (lambda (x) (ly:music-property x 'pitch))
+                         (filter
+                          (lambda (y) (memq 'note-event
+                                            (ly:music-property y 'types)))
+                          elts)))
+           (sorted (sort pitches ly:pitch<?))
+           (root (car sorted))
+
+           ;; ugh?
+           ;;(diff (ly:pitch-diff root (ly:make-pitch -1 0 0)))
+           ;; FIXME.  This results in #<Pitch c> ...,
+           ;; but that is what we need because default octave for
+           ;; \chords has changed to c' too?
+           (diff (ly:pitch-diff root (ly:make-pitch 0 0 0)))
+           (normalized (map (lambda (x) (ly:pitch-diff x diff)) sorted))
+           (texts (map (lambda (x) (ly:music-property x 'text))
+                       (filter
+                        (lambda (y) (memq 'text-script-event
+                                          (ly:music-property y 'types)))
+                        elts)))
+
+           (text (if (null? texts) #f (if omit-root (car texts) texts))))
       (cons (if omit-root (cdr normalized) normalized) text)))
 
   (define (is-event-chord? m)
@@ -167,6 +167,6 @@ FOOBAR-MARKUP) if OMIT-ROOT is given and non-false.
      (not (equal? ZERO-MOMENT (ly:music-length m)))))
 
   (let* ((elts (filter is-event-chord? (ly:music-property seq 'elements)))
-	 (alist (map chord-to-exception-entry elts)))
+         (alist (map chord-to-exception-entry elts)))
     (filter (lambda (x) (cdr x)) alist)))
 
diff --git a/scm/clip-region.scm b/scm/clip-region.scm
index 890cb657e3..5cfc4449e7 100644
--- a/scm/clip-region.scm
+++ b/scm/clip-region.scm
@@ -25,18 +25,18 @@
 ;; scm/output-lib.scm
 ;;
 ;;
-;; 	(define-public (make-rhythmic-location bar-num num den)
-;; 	(define-public (rhythmic-location? a)
-;; 	(define-public (make-graceless-rhythmic-location loc)
-;; 	(define-public rhythmic-location-measure-position cdr)
-;; 	(define-public rhythmic-location-bar-number car)
-;; 	(define-public (rhythmic-location<? a b)
-;;	(define-public (rhythmic-location<=? a b)
-;;	(define-public (rhythmic-location>=? a b)
-;;	(define-public (rhythmic-location>? a b)
-;;	(define-public (rhythmic-location=? a b)
-;;	(define-public (rhythmic-location->file-string a)
-;;	(define-public (rhythmic-location->string a)
+;;      (define-public (make-rhythmic-location bar-num num den)
+;;      (define-public (rhythmic-location? a)
+;;      (define-public (make-graceless-rhythmic-location loc)
+;;      (define-public rhythmic-location-measure-position cdr)
+;;      (define-public rhythmic-location-bar-number car)
+;;      (define-public (rhythmic-location<? a b)
+;;      (define-public (rhythmic-location<=? a b)
+;;      (define-public (rhythmic-location>=? a b)
+;;      (define-public (rhythmic-location>? a b)
+;;      (define-public (rhythmic-location=? a b)
+;;      (define-public (rhythmic-location->file-string a)
+;;      (define-public (rhythmic-location->string a)
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -59,52 +59,52 @@
        (region-end (cdr clip-region))
        (found-grace-end  #f)
        (candidate-columns
-	(filter
-	 (lambda (j)
-	   (let*
-	       ((column (ly:grob-array-ref columns j))
-		(loc (ly:grob-property column 'rhythmic-location))
-		(grace-less (make-graceless-rhythmic-location loc))
-		)
+        (filter
+         (lambda (j)
+           (let*
+               ((column (ly:grob-array-ref columns j))
+                (loc (ly:grob-property column 'rhythmic-location))
+                (grace-less (make-graceless-rhythmic-location loc))
+                )
 
-	     (and (rhythmic-location? loc)
-		  (rhythmic-location<=? region-start loc)
-		  (or (rhythmic-location<? grace-less region-end)
-		      (and (rhythmic-location=? grace-less region-end)
-			   (eq? #t (ly:grob-property column 'non-musical))
+             (and (rhythmic-location? loc)
+                  (rhythmic-location<=? region-start loc)
+                  (or (rhythmic-location<? grace-less region-end)
+                      (and (rhythmic-location=? grace-less region-end)
+                           (eq? #t (ly:grob-property column 'non-musical))
 
-			   )))
+                           )))
 
-	     ))
+             ))
 
-	 (iota (ly:grob-array-length columns))))
+         (iota (ly:grob-array-length columns))))
 
        (column-range
-	(if (>= 1 (length candidate-columns))
-	    #f
-	    (cons (car candidate-columns)
-		  (car (last-pair candidate-columns)))))
+        (if (>= 1 (length candidate-columns))
+            #f
+            (cons (car candidate-columns)
+                  (car (last-pair candidate-columns)))))
 
        (clipped-x-interval
-	(if column-range
-	    (cons
-
-	     (interval-start
-	      (ly:grob-robust-relative-extent
-	       (if (= 0 (car column-range))
-		   system-grob
-		   (ly:grob-array-ref columns (car column-range)))
-	       system-grob X))
-
-	     (interval-end
-	      (ly:grob-robust-relative-extent
-	      (if (= (1- (ly:grob-array-length columns)) (cdr column-range))
-		  system-grob
-		  (ly:grob-array-ref columns (cdr column-range)))
-	      system-grob X)))
-
-
-	    #f
-	    )))
+        (if column-range
+            (cons
+
+             (interval-start
+              (ly:grob-robust-relative-extent
+               (if (= 0 (car column-range))
+                   system-grob
+                   (ly:grob-array-ref columns (car column-range)))
+               system-grob X))
+
+             (interval-end
+              (ly:grob-robust-relative-extent
+               (if (= (1- (ly:grob-array-length columns)) (cdr column-range))
+                   system-grob
+                   (ly:grob-array-ref columns (cdr column-range)))
+               system-grob X)))
+
+
+            #f
+            )))
 
     clipped-x-interval))
diff --git a/scm/coverage.scm b/scm/coverage.scm
index 3c210555ae..75016517a2 100644
--- a/scm/coverage.scm
+++ b/scm/coverage.scm
@@ -3,28 +3,28 @@
 (define-module (scm coverage))
 
 (use-modules (lily)
-	     (ice-9 rdelim)
-	     (ice-9 regex)
-	     (ice-9 format) ;; needed for ~8@ 
-	     )
+             (ice-9 rdelim)
+             (ice-9 regex)
+             (ice-9 format) ;; needed for ~8@
+             )
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (define-public (coverage:show-all filter?)
   (let*
       ((keys
-	(filter filter?
-		(sort (map car (hash-table->alist coverage-table)) string<? ))))
-    
-  (newline)
-  (for-each
-   (lambda (k)
+        (filter filter?
+                (sort (map car (hash-table->alist coverage-table)) string<? ))))
 
-     (format #t "Coverage for file: ~a\n" k)
-     (display-coverage
-      k (hash-ref coverage-table k)
-      (format #f "~a.cov" (basename k))))
-   keys)))
+    (newline)
+    (for-each
+     (lambda (k)
+
+       (format #t "Coverage for file: ~a\n" k)
+       (display-coverage
+        k (hash-ref coverage-table k)
+        (format #f "~a.cov" (basename k))))
+     keys)))
 
 
 (define-public (coverage:enable)
@@ -32,7 +32,7 @@
   (trap-enable 'memoize-symbol)
   (trap-enable 'traps))
 
-     
+
 (define-public (coverage:disable)
   (trap-set! memoize-symbol-handler #f)
   (trap-disable 'memoize-symbol))
@@ -49,27 +49,27 @@
       ((lines (read-lines (open-file file "r")))
        (format-str "~8@a: ~5@a:~a\n")
        (out (if out-file (open-output-file out-file)
-		(current-output-port))))
+                (current-output-port))))
 
     (format out format-str "-" 0 (format #f "Source:~a" file))
     (do
-	((i 0 (1+ i))
-	 (l lines (cdr l)))
-	((or (null? l) ))
+        ((i 0 (1+ i))
+         (l lines (cdr l)))
+        ((or (null? l) ))
 
       (format out format-str
-		       (cond
-			((and (< i (vector-length vec)) (vector-ref vec i)) "1")
-			((and (string-contains file ".ly") (string-match "^[ \t]*%.*$" (car l)))
-			 "-")
-			((string-match  "^[ \t]*[()'`,]*$" (car l))
-			 "-")
-			((string-match  "^[ \t]*;.*$" (car l))
-
-			 "-")
-			(else "0"))
-		       (1+ i)
-		       (car l)))))
+              (cond
+               ((and (< i (vector-length vec)) (vector-ref vec i)) "1")
+               ((and (string-contains file ".ly") (string-match "^[ \t]*%.*$" (car l)))
+                "-")
+               ((string-match  "^[ \t]*[()'`,]*$" (car l))
+                "-")
+               ((string-match  "^[ \t]*;.*$" (car l))
+
+                "-")
+               (else "0"))
+              (1+ i)
+              (car l)))))
 
 (define (record-coverage key cont exp env)
   (let*
@@ -78,20 +78,20 @@
        (vec (and name (hash-ref coverage-table name #f)))
        (veclen (and vec (vector-length vec)))
        (veccopy (lambda (src dst)
-		  (vector-move-left! src 0 (vector-length src)
-				     dst 0)
-		  dst)))
+                  (vector-move-left! src 0 (vector-length src)
+                                     dst 0)
+                  dst)))
     (if (and line name)
-	(begin
-	  (if (or (not vec) (>= line (vector-length vec)))
-	      (set! vec
-		    (hash-set! coverage-table name
-				(if vec
-				    (veccopy vec (make-vector (1+ line) #f))
-				    (make-vector (1+ line) #f)))))
-
-	  (vector-set! vec line #t))
-    )))
+        (begin
+          (if (or (not vec) (>= line (vector-length vec)))
+              (set! vec
+                    (hash-set! coverage-table name
+                               (if vec
+                                   (veccopy vec (make-vector (1+ line) #f))
+                                   (make-vector (1+ line) #f)))))
+
+          (vector-set! vec line #t))
+        )))
 
 
 
diff --git a/scm/define-context-properties.scm b/scm/define-context-properties.scm
index 4839493dd7..baf8163518 100644
--- a/scm/define-context-properties.scm
+++ b/scm/define-context-properties.scm
@@ -21,9 +21,9 @@
 
 (define (translator-property-description symbol type? description)
   (if (not (and
-	    (symbol? symbol)
-	    (procedure? type?)
-	    (string? description)))
+            (symbol? symbol)
+            (procedure? type?)
+            (string? description)))
       (throw 'init-format-error))
 
 
@@ -516,9 +516,9 @@ voices is preserved.
 @example
 @{
   r1 r1*3 R1*3
-  \\set Score.skipBars= ##t
-  r1*3 R1*3
-@}
+     \\set Score.skipBars= ##t
+     r1*3 R1*3
+     @}
 @end example")
      (skipTypesetting ,boolean? "If true, no typesetting is done,
 speeding up the interpretation phase.  Useful for debugging large
@@ -714,7 +714,7 @@ and subscripts.  See @file{scm/@/script.scm} for more information.")
 
 (define-public all-translation-properties
   (append all-user-translation-properties
-	  all-internal-translation-properties))
+          all-internal-translation-properties))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
diff --git a/scm/define-event-classes.scm b/scm/define-event-classes.scm
index 9b00af992b..fb790a591f 100644
--- a/scm/define-event-classes.scm
+++ b/scm/define-event-classes.scm
@@ -22,10 +22,10 @@
 (define event-classes
   '((() . (StreamEvent))
     (StreamEvent .
-		 (RemoveContext
-		  ChangeParent Override Revert UnsetProperty SetProperty
-		  music-event OldMusicEvent CreateContext Prepare
-		  OneTimeStep Finish))
+                 (RemoveContext
+                  ChangeParent Override Revert UnsetProperty SetProperty
+                  music-event OldMusicEvent CreateContext Prepare
+                  OneTimeStep Finish))
     (music-event . (annotate-output-event
                     footnote-event arpeggio-event breathing-event
                     extender-event span-event rhythmic-event dynamic-event
@@ -57,9 +57,9 @@
     (pedal-event . (sostenuto-event sustain-event una-corda-event))
     (rhythmic-event . (lyric-event
                        melodic-event multi-measure-rest-event
-		       double-percent-event percent-event
-		       repeat-slash-event rest-event
-		       skip-event bass-figure-event))
+                       double-percent-event percent-event
+                       repeat-slash-event rest-event
+                       skip-event bass-figure-event))
     (melodic-event . (cluster-note-event note-event))
     (() . (Announcement))
     (Announcement . (AnnounceNewContext))
@@ -68,15 +68,15 @@
 (define-public (event-class-cons class parent classlist)
   (let ((lineage (assq parent classlist)))
     (if (not lineage)
-	(begin
-	  (if (not (null? parent))
-	      (ly:warning (_ "unknown parent class `~a'") parent))
-	  (set! lineage '())))
+        (begin
+          (if (not (null? parent))
+              (ly:warning (_ "unknown parent class `~a'") parent))
+          (set! lineage '())))
     (if (symbol? class)
-	(acons class lineage classlist)
-	(fold (lambda (elt alist)
-		(acons elt lineage alist))
-	      classlist class))))
+        (acons class lineage classlist)
+        (fold (lambda (elt alist)
+                (acons elt lineage alist))
+              classlist class))))
 
 ;; Each class will be defined as
 ;; (class parent grandparent .. )
@@ -88,8 +88,8 @@
 
 (define-public all-event-classes
   (fold (lambda (elt classlist)
-	  (event-class-cons (cdr elt) (car elt) classlist))
-	'() event-classes))
+          (event-class-cons (cdr elt) (car elt) classlist))
+        '() event-classes))
 
 ;; does this exist in guile already?
 (define (map-tree f t)
@@ -104,24 +104,24 @@
 (define (expand-event-tree root)
   (let ((children (assq root event-classes)))
     (if children
-	(cons root (map expand-event-tree (cdr children)))
-	root)))
+        (cons root (map expand-event-tree (cdr children)))
+        root)))
 
 ;; produce neater representation of music event tree.
 ;; TODO: switch to this representation for the event-classes list?
 (define music-event-tree (expand-event-tree 'music-event))
 (define (sort-tree t)
   (define (stringify el)
-	      (if (symbol? el)
-		  (symbol->string el)
-		  (symbol->string (first el))))
+    (if (symbol? el)
+        (symbol->string el)
+        (symbol->string (first el))))
   (if (list? t)
       (sort (map (lambda (el)
-		   (if (list? el)
-		       (cons (car el) (sort-tree (cdr el)))
-		       el))
-		 t)
-	    (lambda (a b) (string<? (stringify a) (stringify b))))
+                   (if (list? el)
+                       (cons (car el) (sort-tree (cdr el)))
+                       el))
+                 t)
+            (lambda (a b) (string<? (stringify a) (stringify b))))
       t))
 
 ;;(use-modules (ice-9 pretty-print))
@@ -135,29 +135,29 @@
    ;; Special case for lists reduces stack consumption.
    ((list? e) (map simplify e))
    ((pair? e) (cons (simplify (car e))
-		    (simplify (cdr e))))
+                    (simplify (cdr e))))
    ((ly:stream-event? e)
     (list 'unquote (list 'make-stream-event (simplify (Stream_event::dump e)))))
    ((ly:music? e)
     (list 'unquote (music->make-music e)))
    ((ly:moment? e)
     (list 'unquote `(ly:make-moment
-		     ,(ly:moment-main-numerator e)
-		     ,(ly:moment-main-denominator e)
-		     . ,(if (zero? (ly:moment-grace-numerator e))
-			    '()
-			    (list (ly:moment-grace-numerator e)
-				  (ly:moment-grace-denominator e))))))
+                     ,(ly:moment-main-numerator e)
+                     ,(ly:moment-main-denominator e)
+                     . ,(if (zero? (ly:moment-grace-numerator e))
+                            '()
+                            (list (ly:moment-grace-numerator e)
+                                  (ly:moment-grace-denominator e))))))
    ((ly:duration? e)
     (list 'unquote `(ly:make-duration
-		     ,(ly:duration-log e)
-		     ,(ly:duration-dot-count e)
-		     ,(ly:duration-scale))))
+                     ,(ly:duration-log e)
+                     ,(ly:duration-dot-count e)
+                     ,(ly:duration-scale))))
    ((ly:pitch? e)
     (list 'unquote `(ly:make-pitch
-		     ,(ly:pitch-octave e)
-		     ,(ly:pitch-notename e)
-		     ,(ly:pitch-alteration e))))
+                     ,(ly:pitch-octave e)
+                     ,(ly:pitch-notename e)
+                     ,(ly:pitch-alteration e))))
    ((ly:input-location? e)
     (list 'unquote '(ly:dummy-input-location)))
    (#t e)))
diff --git a/scm/define-grob-interfaces.scm b/scm/define-grob-interfaces.scm
index ad4f96e4bb..54d360903a 100644
--- a/scm/define-grob-interfaces.scm
+++ b/scm/define-grob-interfaces.scm
@@ -78,10 +78,10 @@ found in @file{scm/bar-line.scm}.
 
 (ly:add-interface
  'clef-modifier-interface
-  "The number describing transposition of the clef, placed below
+ "The number describing transposition of the clef, placed below
 or above clef sign. Usually this is 8 (octave transposition)
 or 15 (two octaves), but LilyPond allows any integer here."
-  '())
+ '())
 
 (ly:add-interface
  'dynamic-interface
@@ -137,9 +137,9 @@ or 15 (two octaves), but LilyPond allows any integer here."
    thickness))
 
 (ly:add-interface
-  'glissando-interface
-  "A glissando."
-  '(glissando-index))
+ 'glissando-interface
+ "A glissando."
+ '(glissando-index))
 
 (ly:add-interface
  'grace-spacing-interface
diff --git a/scm/define-grob-properties.scm b/scm/define-grob-properties.scm
index 6434c15c46..809083cf52 100644
--- a/scm/define-grob-properties.scm
+++ b/scm/define-grob-properties.scm
@@ -31,9 +31,9 @@
      (apply define-grob-property x))
 
    `(
-;;
-;; a
-;;
+     ;;
+     ;; a
+     ;;
      (add-stem-support ,boolean? "If set, the @code{Stem} object is
 included in this script's support.")
      (after-line-breaking ,boolean? "Dummy property, used to trigger
@@ -79,9 +79,9 @@ and @code{around} behave like @code{ignore}.")
 grobs, this should contain only one number.")
 
 
-;;
-;; b
-;;
+     ;;
+     ;; b
+     ;;
      (bar-extent ,number-pair? "The Y-extent of the actual bar line.
 This may differ from @code{Y-extent} because it does not include the
 dots in a repeat bar line.")
@@ -168,9 +168,9 @@ stick out of its bounds?")
      (broken-bound-padding ,number? "The amount of padding to insert
 when a spanner is broken at a line break.")
 
-;;
-;; c
-;;
+     ;;
+     ;; c
+     ;;
      (c0-position ,integer? "An integer indicating the position of
 middle@tie{}C.")
      (circled-tip ,boolean? "Put a circle at start/@/end of
@@ -205,9 +205,9 @@ this should list the control points of a third-order B@'ezier curve.")
 receives this number.  The following measures are numbered in
 increments from this initial value.")
 
-;;
-;; d
-;;
+     ;;
+     ;; d
+     ;;
      (damping ,number? "Amount of beam slope damping.")
      (dash-definition ,pair? "List of @code{dash-elements} defining the
 dash structure.  Each @code{dash-element} has a starting t value,
@@ -248,9 +248,9 @@ elements closer together.")
 i.e., @code{0} = whole note, @code{1} = half note, etc.")
 
 
-;;
-;; e
-;;
+     ;;
+     ;; e
+     ;;
      (eccentricity ,number? "How asymmetrical to make a slur.
 Positive means move the center to the right.")
      (edge-height ,pair? "A pair of numbers specifying the heights of
@@ -282,9 +282,9 @@ item).  In order to make a grob take up no horizontal space at all,
 set this to @code{(+inf.0 . -inf.0)}.")
 
 
-;;
-;; f
-;;
+     ;;
+     ;; f
+     ;;
      (flag-count ,number? "The number of tremolo beams.")
      (flat-positions ,list? "Flats in key signatures are placed
 within the specified ranges of staff-positions.  The general form
@@ -423,9 +423,9 @@ read from the NonMusicalPaperColumn that begins the measure.")
      (full-size-change ,boolean? "Don't make a change clef smaller.")
 
 
-;;
-;; g
-;;
+     ;;
+     ;; g
+     ;;
      (gap ,ly:dimension? "Size of a gap in a variable symbol.")
      (gap-count ,integer? "Number of gapped beams for tremolo.")
      (glissando-skip ,boolean? "Should this @code{NoteHead} be skipped
@@ -446,9 +446,9 @@ etc. are already taken.")
      (grow-direction ,ly:dir? "Crescendo or decrescendo?")
 
 
-;;
-;; h
-;;
+     ;;
+     ;; h
+     ;;
      (hair-thickness ,number? "Thickness of the thin line in a bar
 line.")
      (harp-pedal-details ,list? "An alist of detailed grob properties
@@ -499,9 +499,9 @@ of @code{NoteColumn}s for horizontal shifting.  This is used by
 left and one to the right of this grob.")
 
 
-;;
-;; i
-;;
+     ;;
+     ;; i
+     ;;
      (id ,string? "An id string for the grob.  Depending on the typestting
 backend being used, this id will be assigned to a group containing all of
 the stencils that comprise a given grob.  For example, in the svg backend,
@@ -518,9 +518,9 @@ configuration to this index, and print the respective scores.")
 slur quants to this position, and print the respective scores.")
 
 
-;;
-;; k
-;;
+     ;;
+     ;; k
+     ;;
      (keep-inside-line ,boolean? "If set, this column cannot have
 objects sticking into the margin.")
      (kern ,ly:dimension? "Amount of extra white space to add.  For
@@ -531,9 +531,9 @@ correction amount for kneed beams.  Set between @code{0} for no
 correction and @code{1} for full correction.")
 
 
-;;
-;; l
-;;
+     ;;
+     ;; l
+     ;;
      (labels ,list? "List of labels (symbols) placed on a column.")
      (layer ,integer? "An integer which determines the order of printing
 objects.  Objects with the lowest value of layer are drawn first, then
@@ -572,9 +572,9 @@ contour.")
      (long-text ,markup? "Text markup.  See @ruser{Formatting text}.")
 
 
-;;
-;; m
-;;
+     ;;
+     ;; m
+     ;;
      (max-beam-connect ,integer? "Maximum number of beams to connect
 to beams from this stem.  Further beams are typeset as beamlets.")
      (max-stretch ,number? "The maximum amount that this
@@ -615,9 +615,9 @@ X@tie{}dimension, measured in @code{staff-space} units.")
 Y@tie{}dimension, measured in @code{staff-space} units.")
 
 
-;;
-;; n
-;;
+     ;;
+     ;; n
+     ;;
      (neutral-direction ,ly:dir? "Which direction to take in the
 center of the staff.")
      (neutral-position ,number? "Position (in half staff spaces) where
@@ -668,9 +668,9 @@ between 0 and 1.")
 easy-notation note heads.")
 
 
-;;
-;; o
-;;
+     ;;
+     ;; o
+     ;;
      (outside-staff-horizontal-padding ,number? "By default, an
 outside-staff-object can be placed so that is it very close to another
 grob horizontally.  If this property is set, the outside-staff-object
@@ -702,9 +702,9 @@ of a potential collision, the grob with the smaller
 @code{outside-staff-priority} is closer to the staff.")
 
 
-;;
-;; p
-;;
+     ;;
+     ;; p
+     ;;
      (packed-spacing ,boolean? "If set, the notes are spaced as
 tightly as possible.")
      (padding ,ly:dimension? "Add this much extra space between
@@ -737,9 +737,9 @@ dot.")
      (protrusion ,number? "In an arpeggio bracket, the length of the
 horizontal edges.")
 
-;;
-;; r
-;;
+     ;;
+     ;; r
+     ;;
      (ratio ,number? "Parameter for slur shape.  The higher this
 number, the quicker the slur attains its @code{height-limit}.")
      (remove-empty ,boolean? "If set, remove group if it contains no
@@ -767,9 +767,9 @@ rest when the length of a measure is between two values of
 in a 3/2 measure.")
 
 
-;;
-;; s
-;;
+     ;;
+     ;; s
+     ;;
      (same-direction-correction ,number? "Optical correction amount
 for stems that are placed in tight configurations.  This amount is
 used for stems with the same direction to compensate for note head to
@@ -945,11 +945,11 @@ typeset.  Valid choices depend on the @code{stencil} callback reading
 this property.")
 
 
-;;
-;; t
-;;
+     ;;
+     ;; t
+     ;;
      (text ,markup? "Text markup.  See @ruser{Formatting text}.")
-;;FIXME -- Should both be the same?
+     ;;FIXME -- Should both be the same?
      (text-direction ,ly:dir? "This controls the ordering of the
 words.  The default @code{RIGHT} is for roman text.  Arabic or Hebrew
 should use @code{LEFT}.")
@@ -970,7 +970,7 @@ line just before it would otherwise stop.")
      (toward-stem-shift ,number? "Amount by which scripts are shifted
 toward the stem if their direction coincides with the stem direction.
 @code{0.0} means keep the default position (centered on the note
-head), @code{1.0} means centered on the stem.  Interpolated values are
+                                                     head), @code{1.0} means centered on the stem.  Interpolated values are
 possible.")
      (transparent ,boolean? "This makes the grob invisible.")
 
@@ -1001,7 +1001,7 @@ one below this grob.")
 happen?")
      (whiteout ,boolean? "If true, the grob is printed over a white
 background to white-out underlying material, if the grob is visible.
- Usually #f by default.")
+Usually #f by default.")
      (width ,ly:dimension? "The width of a grob measured in staff
 space.")
      (word-space ,ly:dimension? "Space to insert between words in
diff --git a/scm/define-grobs.scm b/scm/define-grobs.scm
index 4d015b7658..df94769f50 100644
--- a/scm/define-grobs.scm
+++ b/scm/define-grobs.scm
@@ -29,363 +29,363 @@
   `(
     (Accidental
      . (
-	(alteration . ,accidental-interface::calc-alteration)
-	(avoid-slur . inside)
-	(glyph-name . ,accidental-interface::glyph-name)
-	(glyph-name-alist . ,standard-alteration-glyph-name-alist)
-	(stencil . ,ly:accidental-interface::print)
-	(horizontal-skylines . ,(ly:make-unpure-pure-container ly:accidental-interface::horizontal-skylines))
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(X-extent . ,ly:accidental-interface::width)
-	(Y-extent . ,accidental-interface::height)
-	(meta . ((class . Item)
-		 (interfaces . (accidental-interface
-				inline-accidental-interface
-				font-interface))))))
+        (alteration . ,accidental-interface::calc-alteration)
+        (avoid-slur . inside)
+        (glyph-name . ,accidental-interface::glyph-name)
+        (glyph-name-alist . ,standard-alteration-glyph-name-alist)
+        (stencil . ,ly:accidental-interface::print)
+        (horizontal-skylines . ,(ly:make-unpure-pure-container ly:accidental-interface::horizontal-skylines))
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (X-extent . ,ly:accidental-interface::width)
+        (Y-extent . ,accidental-interface::height)
+        (meta . ((class . Item)
+                 (interfaces . (accidental-interface
+                                inline-accidental-interface
+                                font-interface))))))
 
     (AccidentalCautionary
      . (
-	(alteration . ,accidental-interface::calc-alteration)
-	(avoid-slur . inside)
-	(glyph-name-alist . ,standard-alteration-glyph-name-alist)
-	(parenthesized . #t)
-	(stencil . ,ly:accidental-interface::print)
-	(Y-extent . ,accidental-interface::height)
-	(meta . ((class . Item)
-		 (interfaces . (accidental-interface
-				inline-accidental-interface
-				font-interface))))))
+        (alteration . ,accidental-interface::calc-alteration)
+        (avoid-slur . inside)
+        (glyph-name-alist . ,standard-alteration-glyph-name-alist)
+        (parenthesized . #t)
+        (stencil . ,ly:accidental-interface::print)
+        (Y-extent . ,accidental-interface::height)
+        (meta . ((class . Item)
+                 (interfaces . (accidental-interface
+                                inline-accidental-interface
+                                font-interface))))))
 
     (AccidentalPlacement
      . (
-	(direction .  ,LEFT)
-	(positioning-done . ,ly:accidental-placement::calc-positioning-done)
+        (direction .  ,LEFT)
+        (positioning-done . ,ly:accidental-placement::calc-positioning-done)
 
-	;; this is quite small, but it is very ugly to have
-	;; accs closer to the previous note than to the next one.
-	(right-padding . 0.15)
+        ;; this is quite small, but it is very ugly to have
+        ;; accs closer to the previous note than to the next one.
+        (right-padding . 0.15)
 
-	;; for horizontally stacked scripts.
-	(script-priority .  -100)
+        ;; for horizontally stacked scripts.
+        (script-priority .  -100)
 
-	(X-extent . ,ly:axis-group-interface::width)
-	(meta . ((class . Item)
-		 (interfaces . (accidental-placement-interface))))))
+        (X-extent . ,ly:axis-group-interface::width)
+        (meta . ((class . Item)
+                 (interfaces . (accidental-placement-interface))))))
 
     (AccidentalSuggestion
      . (
-	(alteration . ,accidental-interface::calc-alteration)
-	(direction . ,UP)
-	(font-size . -2)
-	(glyph-name-alist . ,standard-alteration-glyph-name-alist)
-	(outside-staff-priority . 0)
-	(script-priority . 0)
-	(self-alignment-X . ,CENTER)
-	(side-axis . ,Y)
-	(staff-padding . 0.25)
-	(stencil . ,ly:accidental-interface::print)
-	(X-extent . ,ly:accidental-interface::width)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::centered-on-x-parent))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self)))))
-	(Y-extent . ,accidental-interface::height)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Item)
-		 (interfaces . (accidental-interface
-				accidental-suggestion-interface
-				font-interface
-				script-interface
-				self-alignment-interface
-				side-position-interface))))))
+        (alteration . ,accidental-interface::calc-alteration)
+        (direction . ,UP)
+        (font-size . -2)
+        (glyph-name-alist . ,standard-alteration-glyph-name-alist)
+        (outside-staff-priority . 0)
+        (script-priority . 0)
+        (self-alignment-X . ,CENTER)
+        (side-axis . ,Y)
+        (staff-padding . 0.25)
+        (stencil . ,ly:accidental-interface::print)
+        (X-extent . ,ly:accidental-interface::width)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::centered-on-x-parent))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self)))))
+        (Y-extent . ,accidental-interface::height)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Item)
+                 (interfaces . (accidental-interface
+                                accidental-suggestion-interface
+                                font-interface
+                                script-interface
+                                self-alignment-interface
+                                side-position-interface))))))
 
     (Ambitus
      . (
-	(axes . (,X ,Y))
-	(break-align-symbol . ambitus)
-	(break-visibility . ,begin-of-line-visible)
-	(non-musical . #t)
-	(space-alist . (
-			(cue-end-clef . (extra-space . 0.5))
-			(clef . (extra-space . 0.5))
-			(cue-clef . (extra-space . 0.5))
-			(key-signature . (extra-space . 0.0))
-			(staff-bar . (extra-space . 0.0))
-			(time-signature . (extra-space . 0.0))
-			(first-note . (fixed-space . 0.0))))
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(meta . ((class . Item)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (ambitus-interface
-				axis-group-interface
-				break-aligned-interface))))))
+        (axes . (,X ,Y))
+        (break-align-symbol . ambitus)
+        (break-visibility . ,begin-of-line-visible)
+        (non-musical . #t)
+        (space-alist . (
+                        (cue-end-clef . (extra-space . 0.5))
+                        (clef . (extra-space . 0.5))
+                        (cue-clef . (extra-space . 0.5))
+                        (key-signature . (extra-space . 0.0))
+                        (staff-bar . (extra-space . 0.0))
+                        (time-signature . (extra-space . 0.0))
+                        (first-note . (fixed-space . 0.0))))
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (meta . ((class . Item)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (ambitus-interface
+                                axis-group-interface
+                                break-aligned-interface))))))
 
     (AmbitusAccidental
      . (
-	(direction . ,LEFT)
-	(glyph-name-alist . ,standard-alteration-glyph-name-alist)
-	(padding . 0.5)
-	(side-axis . ,X)
-	(stencil . ,ly:accidental-interface::print)
-	(X-offset . ,ly:side-position-interface::x-aligned-side)
-	(Y-extent . ,accidental-interface::height)
-	(meta . ((class . Item)
-		 (interfaces . (accidental-interface
-				break-aligned-interface
-				font-interface
-				side-position-interface))))))
+        (direction . ,LEFT)
+        (glyph-name-alist . ,standard-alteration-glyph-name-alist)
+        (padding . 0.5)
+        (side-axis . ,X)
+        (stencil . ,ly:accidental-interface::print)
+        (X-offset . ,ly:side-position-interface::x-aligned-side)
+        (Y-extent . ,accidental-interface::height)
+        (meta . ((class . Item)
+                 (interfaces . (accidental-interface
+                                break-aligned-interface
+                                font-interface
+                                side-position-interface))))))
 
     (AmbitusLine
      . (
-	(gap . 0.35)
-	(stencil . ,ambitus::print)
-	(thickness . 2)
-	(X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
-	(meta . ((class . Item)
-		 (interfaces . (ambitus-interface
-				font-interface))))))
+        (gap . 0.35)
+        (stencil . ,ambitus::print)
+        (thickness . 2)
+        (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
+        (meta . ((class . Item)
+                 (interfaces . (ambitus-interface
+                                font-interface))))))
 
     (AmbitusNoteHead
      . (
-	(duration-log . 2)
-	(glyph-name . ,note-head::calc-glyph-name)
-	(stencil . ,ly:note-head::print)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (ambitus-interface
-				font-interface
-				ledgered-interface
-				note-head-interface
-				rhythmic-head-interface
-				staff-symbol-referencer-interface))))))
+        (duration-log . 2)
+        (glyph-name . ,note-head::calc-glyph-name)
+        (stencil . ,ly:note-head::print)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (ambitus-interface
+                                font-interface
+                                ledgered-interface
+                                note-head-interface
+                                rhythmic-head-interface
+                                staff-symbol-referencer-interface))))))
 
     (Arpeggio
      . (
-	(direction . ,LEFT)
-	(padding . 0.5)
-	(positions . ,ly:arpeggio::calc-positions)
-	(protrusion . 0.4)
-	(script-priority . 0)
-	(side-axis . ,X)
-	(staff-position . 0.0)
-	(stencil . ,ly:arpeggio::print)
-	(X-extent . ,ly:arpeggio::width)
-	(Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:arpeggio::pure-height))
-	(X-offset . ,ly:side-position-interface::x-aligned-side)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(meta . ((class . Item)
-		 (interfaces . (arpeggio-interface
-				font-interface
-				side-position-interface
-				staff-symbol-referencer-interface))))))
+        (direction . ,LEFT)
+        (padding . 0.5)
+        (positions . ,ly:arpeggio::calc-positions)
+        (protrusion . 0.4)
+        (script-priority . 0)
+        (side-axis . ,X)
+        (staff-position . 0.0)
+        (stencil . ,ly:arpeggio::print)
+        (X-extent . ,ly:arpeggio::width)
+        (Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:arpeggio::pure-height))
+        (X-offset . ,ly:side-position-interface::x-aligned-side)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (meta . ((class . Item)
+                 (interfaces . (arpeggio-interface
+                                font-interface
+                                side-position-interface
+                                staff-symbol-referencer-interface))))))
 
     (BalloonTextItem
      . (
-	(annotation-balloon . #t)
-	(annotation-line . #t)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(stencil . ,ly:balloon-interface::print)
-	(text . ,(grob::calc-property-by-copy 'text))
-	(X-offset . ,(grob::calc-property-by-copy 'X-offset))
-	(Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (balloon-interface
-				font-interface
-				text-interface))))))
+        (annotation-balloon . #t)
+        (annotation-line . #t)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (stencil . ,ly:balloon-interface::print)
+        (text . ,(grob::calc-property-by-copy 'text))
+        (X-offset . ,(grob::calc-property-by-copy 'X-offset))
+        (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (balloon-interface
+                                font-interface
+                                text-interface))))))
 
     (BarLine
      . (
-	(allow-span-bar . #t)
-	(bar-extent . ,ly:bar-line::calc-bar-extent)
-	(break-align-anchor . ,ly:bar-line::calc-anchor)
-	(break-align-symbol . staff-bar)
-	(break-visibility . ,bar-line::calc-break-visibility)
-	(extra-spacing-height . ,pure-from-neighbor-interface::account-for-span-bar)
-	(gap . 0.4)
-	(glyph . "|")
-	(glyph-name . ,bar-line::calc-glyph-name)
-
-	;;
-	;; Ross. page 151 lists other values, we opt for a leaner look
-	;;
-	;; TODO:
-	;; kern should scale with line-thickness too.
-	(kern . 3.0)
-	(thin-kern . 3.0)
-	(hair-thickness . 1.9)
-	(thick-thickness . 6.0)
-
-	(layer . 0)
-	(non-musical . #t)
-	(rounded . #f)
-	(space-alist . (
-			(time-signature . (extra-space . 0.75))
-			(custos . (minimum-space . 2.0))
-			(clef . (minimum-space . 1.0))
-			(key-signature . (extra-space . 1.0))
-			(key-cancellation . (extra-space . 1.0))
-			(first-note . (fixed-space . 1.3))
-			(next-note . (semi-fixed-space . 0.9))
-			(right-edge . (extra-space . 0.0))))
-	(stencil . ,ly:bar-line::print)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
+        (allow-span-bar . #t)
+        (bar-extent . ,ly:bar-line::calc-bar-extent)
+        (break-align-anchor . ,ly:bar-line::calc-anchor)
+        (break-align-symbol . staff-bar)
+        (break-visibility . ,bar-line::calc-break-visibility)
+        (extra-spacing-height . ,pure-from-neighbor-interface::account-for-span-bar)
+        (gap . 0.4)
+        (glyph . "|")
+        (glyph-name . ,bar-line::calc-glyph-name)
+
+        ;;
+        ;; Ross. page 151 lists other values, we opt for a leaner look
+        ;;
+        ;; TODO:
+        ;; kern should scale with line-thickness too.
+        (kern . 3.0)
+        (thin-kern . 3.0)
+        (hair-thickness . 1.9)
+        (thick-thickness . 6.0)
+
+        (layer . 0)
+        (non-musical . #t)
+        (rounded . #f)
+        (space-alist . (
+                        (time-signature . (extra-space . 0.75))
+                        (custos . (minimum-space . 2.0))
+                        (clef . (minimum-space . 1.0))
+                        (key-signature . (extra-space . 1.0))
+                        (key-cancellation . (extra-space . 1.0))
+                        (first-note . (fixed-space . 1.3))
+                        (next-note . (semi-fixed-space . 0.9))
+                        (right-edge . (extra-space . 0.0))))
+        (stencil . ,ly:bar-line::print)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
                  (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
                                       (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (bar-line-interface
-				break-aligned-interface
-				font-interface
-				pure-from-neighbor-interface))))))
+                 (interfaces . (bar-line-interface
+                                break-aligned-interface
+                                font-interface
+                                pure-from-neighbor-interface))))))
 
     (BarNumber
      . (
-	(after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
-	;; want the bar number before the clef at line start.
-	(break-align-symbols . (left-edge staff-bar))
-
-	(break-visibility . ,begin-of-line-visible)
-	(direction . ,UP)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(font-family . roman)
-	(font-size . -2)
-	(non-musical . #t)
-	;; w/o padding, bars numbers are not positioned over the staff as
-	;; they are slightly to the left. so we add just a bit.
-	(horizon-padding . 0.05)
-	(outside-staff-priority . 100)
-	(padding . 1.0)
-	(self-alignment-X . ,RIGHT)
-	(side-axis . ,Y)
-	(stencil . ,ly:text-interface::print)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:break-alignable-interface::self-align-callback))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self)))))
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta .
-	      ((class . Item)
-	       (interfaces . (break-alignable-interface
-			      font-interface
-			      self-alignment-interface
-			      side-position-interface
-			      text-interface))))))
+        (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
+        ;; want the bar number before the clef at line start.
+        (break-align-symbols . (left-edge staff-bar))
+
+        (break-visibility . ,begin-of-line-visible)
+        (direction . ,UP)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (font-family . roman)
+        (font-size . -2)
+        (non-musical . #t)
+        ;; w/o padding, bars numbers are not positioned over the staff as
+        ;; they are slightly to the left. so we add just a bit.
+        (horizon-padding . 0.05)
+        (outside-staff-priority . 100)
+        (padding . 1.0)
+        (self-alignment-X . ,RIGHT)
+        (side-axis . ,Y)
+        (stencil . ,ly:text-interface::print)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:break-alignable-interface::self-align-callback))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self)))))
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta .
+              ((class . Item)
+               (interfaces . (break-alignable-interface
+                              font-interface
+                              self-alignment-interface
+                              side-position-interface
+                              text-interface))))))
 
     (BassFigure
      . (
-	(stencil . ,ly:text-interface::print)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (bass-figure-interface
-				font-interface
-				rhythmic-grob-interface
-				text-interface))))))
+        (stencil . ,ly:text-interface::print)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (bass-figure-interface
+                                font-interface
+                                rhythmic-grob-interface
+                                text-interface))))))
 
     (BassFigureAlignment
      . (
-	(axes . (,Y))
-	(padding . 0.2)
-	(positioning-done . ,ly:align-interface::align-to-minimum-distances)
-	(stacking-dir . ,DOWN)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (align-interface
-				axis-group-interface
-				bass-figure-alignment-interface))))))
+        (axes . (,Y))
+        (padding . 0.2)
+        (positioning-done . ,ly:align-interface::align-to-minimum-distances)
+        (stacking-dir . ,DOWN)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (align-interface
+                                axis-group-interface
+                                bass-figure-alignment-interface))))))
 
     (BassFigureAlignmentPositioning
      . (
-	(axes . (,Y))
-	(direction . ,UP)
-	(padding . 0.5)
-	(side-axis . ,Y)
-	(staff-padding . 1.0)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				side-position-interface))))))
+        (axes . (,Y))
+        (direction . ,UP)
+        (padding . 0.5)
+        (side-axis . ,Y)
+        (staff-padding . 1.0)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                side-position-interface))))))
 
     (BassFigureBracket
      . (
-	(edge-height . (0.2 . 0.2))
-	(stencil . ,ly:enclosing-bracket::print)
-	(X-extent . ,ly:enclosing-bracket::width)
-	(meta . ((class . Item)
-		 (interfaces . (enclosing-bracket-interface))))))
+        (edge-height . (0.2 . 0.2))
+        (stencil . ,ly:enclosing-bracket::print)
+        (X-extent . ,ly:enclosing-bracket::width)
+        (meta . ((class . Item)
+                 (interfaces . (enclosing-bracket-interface))))))
 
     (BassFigureContinuation
      . (
-	(stencil . ,ly:figured-bass-continuation::print)
-	(Y-offset . ,ly:figured-bass-continuation::center-on-figures)
-	(meta . ((class . Spanner)
-		 (interfaces . (figured-bass-continuation-interface))))))
+        (stencil . ,ly:figured-bass-continuation::print)
+        (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
+        (meta . ((class . Spanner)
+                 (interfaces . (figured-bass-continuation-interface))))))
 
     (BassFigureLine
      . (
-	(adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
-	(axes . (,Y))
-	(vertical-skylines . ,ly:axis-group-interface::calc-skylines)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface))))))
+        (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
+        (axes . (,Y))
+        (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface))))))
 
 
     (Beam
      . (
-	;; todo: clean this up a bit: the list is getting
-	;; rather long.
-	(auto-knee-gap . 5.5)
-	(beam-segments . ,ly:beam::calc-beam-segments)
-	(beam-thickness . 0.48) ; in staff-space
-
-	;; We have some unreferenced problems here.
-	;;
-	;; If we shorten beamed stems less than normal stems (1 staff-space),
-	;; or high order less than 8th beams, patterns like
-	;;     c''4 [c''8 c''] c''4 [c''16 c]
-	;; are ugly (different stem lengths).
-	;;
-	;; But if we shorten 16th beams as much as 8th beams, a single
-	;; forced 16th beam looks *very* short.
-
-	;; We choose to shorten 8th beams the same as single stems,
-	;; and high order beams less than 8th beams, so that all
-	;; isolated shortened beams look nice and a bit shortened,
-	;; sadly possibly breaking patterns with high order beams.
-	(beamed-stem-shorten . (1.0 0.5 0.25))
-
-	(beaming . ,ly:beam::calc-beaming)
-	(clip-edges . #t)
-	(collision-interfaces . (beam-interface
-				 clef-interface
-				 clef-modifier-interface
-				 flag-interface
-				 inline-accidental-interface
-				 key-signature-interface
-				 note-head-interface
-				 stem-interface
-				 time-signature-interface))
-	(cross-staff . ,ly:beam::calc-cross-staff)
-	(damping . 1)
-	(details
+        ;; todo: clean this up a bit: the list is getting
+        ;; rather long.
+        (auto-knee-gap . 5.5)
+        (beam-segments . ,ly:beam::calc-beam-segments)
+        (beam-thickness . 0.48) ; in staff-space
+
+        ;; We have some unreferenced problems here.
+        ;;
+        ;; If we shorten beamed stems less than normal stems (1 staff-space),
+        ;; or high order less than 8th beams, patterns like
+        ;;     c''4 [c''8 c''] c''4 [c''16 c]
+        ;; are ugly (different stem lengths).
+        ;;
+        ;; But if we shorten 16th beams as much as 8th beams, a single
+        ;; forced 16th beam looks *very* short.
+
+        ;; We choose to shorten 8th beams the same as single stems,
+        ;; and high order beams less than 8th beams, so that all
+        ;; isolated shortened beams look nice and a bit shortened,
+        ;; sadly possibly breaking patterns with high order beams.
+        (beamed-stem-shorten . (1.0 0.5 0.25))
+
+        (beaming . ,ly:beam::calc-beaming)
+        (clip-edges . #t)
+        (collision-interfaces . (beam-interface
+                                 clef-interface
+                                 clef-modifier-interface
+                                 flag-interface
+                                 inline-accidental-interface
+                                 key-signature-interface
+                                 note-head-interface
+                                 stem-interface
+                                 time-signature-interface))
+        (cross-staff . ,ly:beam::calc-cross-staff)
+        (damping . 1)
+        (details
          .(
            (secondary-beam-demerit . 10)
            (stem-length-demerit-factor . 5)
@@ -396,1010 +396,1010 @@
            (hint-direction-penalty . 20)
            (musical-direction-factor . 400)
            (ideal-slope-factor . 10)
-	   (collision-penalty . 500)
-	   (collision-padding . 0.35)
+           (collision-penalty . 500)
+           (collision-padding . 0.35)
            (round-to-zero-slope . 0.02)))
-	(direction . ,ly:beam::calc-direction)
-
-	(normalized-endpoints . ,ly:spanner::calc-normalized-endpoints)
-	;; only for debugging.
-	(font-family . roman)
-
-	(beam-gap . ,ly:beam::calc-beam-gap)
-	(minimum-length . ,ly:beam::calc-minimum-length)
-	(neutral-direction . ,DOWN)
-	(positions . ,beam::place-broken-parts-individually)
-	(springs-and-rods . ,ly:beam::calc-springs-and-rods)
-	(X-positions . ,ly:beam::calc-x-positions)
+        (direction . ,ly:beam::calc-direction)
+
+        (normalized-endpoints . ,ly:spanner::calc-normalized-endpoints)
+        ;; only for debugging.
+        (font-family . roman)
+
+        (beam-gap . ,ly:beam::calc-beam-gap)
+        (minimum-length . ,ly:beam::calc-minimum-length)
+        (neutral-direction . ,DOWN)
+        (positions . ,beam::place-broken-parts-individually)
+        (springs-and-rods . ,ly:beam::calc-springs-and-rods)
+        (X-positions . ,ly:beam::calc-x-positions)
         (transparent . ,(grob::inherit-parent-property
                          X 'transparent))
 
-	;; this is a hack to set stem lengths, if positions is set.
-	(quantized-positions . ,ly:beam::set-stem-lengths)
+        ;; this is a hack to set stem lengths, if positions is set.
+        (quantized-positions . ,ly:beam::set-stem-lengths)
 
-	(shorten . ,ly:beam::calc-stem-shorten)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(stencil . ,ly:beam::print)
+        (shorten . ,ly:beam::calc-stem-shorten)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (stencil . ,ly:beam::print)
 
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((normal-stems . ,ly:beam::calc-normal-stems)))
-		 (interfaces . (beam-interface
-				font-interface
-				staff-symbol-referencer-interface
-				unbreakable-spanner-interface))))))
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((normal-stems . ,ly:beam::calc-normal-stems)))
+                 (interfaces . (beam-interface
+                                font-interface
+                                staff-symbol-referencer-interface
+                                unbreakable-spanner-interface))))))
 
     (BendAfter
      . (
-	(minimum-length . 0.5)
-	(stencil . ,bend::print)
-	(thickness . 2.0)
-	(meta . ((class . Spanner)
-		 (interfaces . (bend-after-interface
-				spanner-interface))))))
+        (minimum-length . 0.5)
+        (stencil . ,bend::print)
+        (thickness . 2.0)
+        (meta . ((class . Spanner)
+                 (interfaces . (bend-after-interface
+                                spanner-interface))))))
 
     (BreakAlignGroup
      . (
-	(axes . (,X))
-	(break-align-anchor . ,ly:break-aligned-interface::calc-average-anchor)
-	(break-visibility . ,ly:break-aligned-interface::calc-break-visibility)
-	(X-extent . ,ly:axis-group-interface::width)
-	(meta . ((class . Item)
-		 (interfaces . (axis-group-interface
-				break-aligned-interface))))))
+        (axes . (,X))
+        (break-align-anchor . ,ly:break-aligned-interface::calc-average-anchor)
+        (break-visibility . ,ly:break-aligned-interface::calc-break-visibility)
+        (X-extent . ,ly:axis-group-interface::width)
+        (meta . ((class . Item)
+                 (interfaces . (axis-group-interface
+                                break-aligned-interface))))))
 
     (BreakAlignment
      . (
-	(axes . (,X))
-	(break-align-orders . ;; end of line
-			    #((
-			       left-edge
-			       cue-end-clef
-			       ambitus
-			       breathing-sign
-			       clef
-			       cue-clef
-			       staff-bar
-			       key-cancellation
-			       key-signature
-			       time-signature
-			       custos)
-
-			      ;; unbroken
-			      (
-			       left-edge
-			       cue-end-clef
-			       ambitus
-			       breathing-sign
-			       clef
-			       cue-clef
-			       staff-bar
-			       key-cancellation
-			       key-signature
-			       time-signature
-			       custos)
-
-			      ;; begin of line
-			      (
-			       left-edge
-			       ambitus
-			       breathing-sign
-			       clef
-			       key-cancellation
-			       key-signature
-			       time-signature
-			       staff-bar
-			       cue-clef
-			       custos)))
-	(non-musical . #t)
-	(positioning-done . ,ly:break-alignment-interface::calc-positioning-done)
-	(stacking-dir . 1)
-	(X-extent . ,ly:axis-group-interface::width)
-	(meta . ((class . Item)
-		 (interfaces . (axis-group-interface
-				break-alignment-interface))))))
+        (axes . (,X))
+        (break-align-orders . ;; end of line
+                            #((
+                               left-edge
+                               cue-end-clef
+                               ambitus
+                               breathing-sign
+                               clef
+                               cue-clef
+                               staff-bar
+                               key-cancellation
+                               key-signature
+                               time-signature
+                               custos)
+
+                              ;; unbroken
+                              (
+                               left-edge
+                               cue-end-clef
+                               ambitus
+                               breathing-sign
+                               clef
+                               cue-clef
+                               staff-bar
+                               key-cancellation
+                               key-signature
+                               time-signature
+                               custos)
+
+                              ;; begin of line
+                              (
+                               left-edge
+                               ambitus
+                               breathing-sign
+                               clef
+                               key-cancellation
+                               key-signature
+                               time-signature
+                               staff-bar
+                               cue-clef
+                               custos)))
+        (non-musical . #t)
+        (positioning-done . ,ly:break-alignment-interface::calc-positioning-done)
+        (stacking-dir . 1)
+        (X-extent . ,ly:axis-group-interface::width)
+        (meta . ((class . Item)
+                 (interfaces . (axis-group-interface
+                                break-alignment-interface))))))
 
     (BreathingSign
      . (
-	(break-align-symbol . breathing-sign)
-	(break-visibility . ,begin-of-line-invisible)
-	(non-musical . #t)
-	(space-alist . (
-			(ambitus . (extra-space . 2.0))
-			(custos . (minimum-space . 1.0))
-			(key-signature . (minimum-space . 1.5))
-			(time-signature . (minimum-space . 1.5))
-			(staff-bar . (minimum-space . 1.5))
-			(clef . (minimum-space . 2.0))
-			(cue-clef . (minimum-space . 2.0))
-			(cue-end-clef . (minimum-space . 2.0))
-			(first-note . (fixed-space . 1.0)) ;huh?
-			(right-edge . (extra-space . 0.1))))
-	(stencil . ,ly:text-interface::print)
-	(text . ,(make-musicglyph-markup "scripts.rcomma"))
-	(Y-offset . ,ly:breathing-sign::offset-callback)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (break-aligned-interface
-				breathing-sign-interface
-				font-interface
-				text-interface))))))
+        (break-align-symbol . breathing-sign)
+        (break-visibility . ,begin-of-line-invisible)
+        (non-musical . #t)
+        (space-alist . (
+                        (ambitus . (extra-space . 2.0))
+                        (custos . (minimum-space . 1.0))
+                        (key-signature . (minimum-space . 1.5))
+                        (time-signature . (minimum-space . 1.5))
+                        (staff-bar . (minimum-space . 1.5))
+                        (clef . (minimum-space . 2.0))
+                        (cue-clef . (minimum-space . 2.0))
+                        (cue-end-clef . (minimum-space . 2.0))
+                        (first-note . (fixed-space . 1.0)) ;huh?
+                        (right-edge . (extra-space . 0.1))))
+        (stencil . ,ly:text-interface::print)
+        (text . ,(make-musicglyph-markup "scripts.rcomma"))
+        (Y-offset . ,ly:breathing-sign::offset-callback)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (break-aligned-interface
+                                breathing-sign-interface
+                                font-interface
+                                text-interface))))))
 
     (ChordName
      . (
-	(after-line-breaking . ,ly:chord-name::after-line-breaking)
-	(font-family . sans)
-	(font-size . 1.5)
-	(stencil . ,ly:text-interface::print)
-	(extra-spacing-height . (0.2 . -0.2))
-	(extra-spacing-width . (-0.5 . 0.5))
-	(word-space . 0.0)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (chord-name-interface
-				font-interface
-				rhythmic-grob-interface
-				text-interface))))))
+        (after-line-breaking . ,ly:chord-name::after-line-breaking)
+        (font-family . sans)
+        (font-size . 1.5)
+        (stencil . ,ly:text-interface::print)
+        (extra-spacing-height . (0.2 . -0.2))
+        (extra-spacing-width . (-0.5 . 0.5))
+        (word-space . 0.0)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (chord-name-interface
+                                font-interface
+                                rhythmic-grob-interface
+                                text-interface))))))
 
     (Clef
      . (
-	(avoid-slur . inside)
-	(break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
-	(break-align-anchor-alignment . ,RIGHT)
-	(break-align-symbol . clef)
-	(break-visibility . ,begin-of-line-visible)
-	(extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
-	(glyph-name . ,ly:clef::calc-glyph-name)
-	(non-musical . #t)
-	(space-alist . ((cue-clef . (extra-space . 2.0))
-			(staff-bar . (extra-space . 0.7))
-			(key-cancellation . (minimum-space . 3.5))
-			(key-signature . (minimum-space . 3.5))
-			(time-signature . (minimum-space . 4.2))
-			(first-note . (minimum-fixed-space . 5.0))
-			(next-note . (extra-space . 1.0))
-			(right-edge . (extra-space . 0.5))))
-	(stencil . ,ly:clef::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
+        (avoid-slur . inside)
+        (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
+        (break-align-anchor-alignment . ,RIGHT)
+        (break-align-symbol . clef)
+        (break-visibility . ,begin-of-line-visible)
+        (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
+        (glyph-name . ,ly:clef::calc-glyph-name)
+        (non-musical . #t)
+        (space-alist . ((cue-clef . (extra-space . 2.0))
+                        (staff-bar . (extra-space . 0.7))
+                        (key-cancellation . (minimum-space . 3.5))
+                        (key-signature . (minimum-space . 3.5))
+                        (time-signature . (minimum-space . 4.2))
+                        (first-note . (minimum-fixed-space . 5.0))
+                        (next-note . (extra-space . 1.0))
+                        (right-edge . (extra-space . 0.5))))
+        (stencil . ,ly:clef::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
                  (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
                                       (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (break-aligned-interface
-				clef-interface
-				font-interface
-				pure-from-neighbor-interface
-				staff-symbol-referencer-interface))))))
+                 (interfaces . (break-aligned-interface
+                                clef-interface
+                                font-interface
+                                pure-from-neighbor-interface
+                                staff-symbol-referencer-interface))))))
 
     (ClefModifier
      . (
-	(break-visibility . ,(grob::inherit-parent-property
+        (break-visibility . ,(grob::inherit-parent-property
                               X 'break-visibility))
-	(font-shape . italic)
-	(font-size . -4)
+        (font-shape . italic)
+        (font-size . -4)
         (transparent . ,(grob::inherit-parent-property
                          X 'transparent))
         (color . ,(grob::inherit-parent-property
                    X 'color))
-	(self-alignment-X . ,CENTER)
-	(staff-padding . 0.2)
-	(stencil . ,ly:text-interface::print)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::centered-on-x-parent)))))
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (clef-modifier-interface
-				font-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface))))))
+        (self-alignment-X . ,CENTER)
+        (staff-padding . 0.2)
+        (stencil . ,ly:text-interface::print)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::centered-on-x-parent)))))
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (clef-modifier-interface
+                                font-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface))))))
 
     (ClusterSpanner
      . (
-	(cross-staff . ,ly:cluster::calc-cross-staff)
-	(minimum-length . 0.0)
-	(padding . 0.25)
-	(springs-and-rods . ,ly:spanner::set-spacing-rods)
-	(stencil . ,ly:cluster::print)
-	(style . ramp)
-	(meta . ((class . Spanner)
-		 (interfaces . (cluster-interface))))))
+        (cross-staff . ,ly:cluster::calc-cross-staff)
+        (minimum-length . 0.0)
+        (padding . 0.25)
+        (springs-and-rods . ,ly:spanner::set-spacing-rods)
+        (stencil . ,ly:cluster::print)
+        (style . ramp)
+        (meta . ((class . Spanner)
+                 (interfaces . (cluster-interface))))))
 
     (ClusterSpannerBeacon
      . (
-	(Y-extent . ,ly:cluster-beacon::height)
-	(meta . ((class . Item)
-		 (interfaces . (cluster-beacon-interface
-				rhythmic-grob-interface))))))
+        (Y-extent . ,ly:cluster-beacon::height)
+        (meta . ((class . Item)
+                 (interfaces . (cluster-beacon-interface
+                                rhythmic-grob-interface))))))
 
     (CombineTextScript
      . (
-	(avoid-slur . outside)
-	(baseline-skip . 2)
-	(direction . ,UP)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(font-series . bold)
-	(outside-staff-priority . 450)
-	(padding . 0.5)
-	(script-priority . 200)
-	(side-axis . ,Y)
-	(staff-padding . 0.5)
-	;; todo: add X self alignment?
-	(stencil . ,ly:text-interface::print)
-	(X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				side-position-interface
-				text-interface
-				text-script-interface))))))
+        (avoid-slur . outside)
+        (baseline-skip . 2)
+        (direction . ,UP)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (font-series . bold)
+        (outside-staff-priority . 450)
+        (padding . 0.5)
+        (script-priority . 200)
+        (side-axis . ,Y)
+        (staff-padding . 0.5)
+        ;; todo: add X self alignment?
+        (stencil . ,ly:text-interface::print)
+        (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                side-position-interface
+                                text-interface
+                                text-script-interface))))))
 
     (CueClef
      . (
-	(avoid-slur . inside)
-	(break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
-	(break-align-symbol . cue-clef)
-	(break-visibility . ,begin-of-line-visible)
-	(extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
-	(font-size . -4)
-	(glyph-name . ,ly:clef::calc-glyph-name)
-	(non-musical . #t)
-	(full-size-change . #t)
-	(space-alist . ((staff-bar . (minimum-space . 2.7))
-			(key-cancellation . (minimum-space . 3.5))
-			(key-signature . (minimum-space . 3.5))
-			(time-signature . (minimum-space . 4.2))
-			(custos . (minimum-space . 0.0))
-			(first-note . (minimum-fixed-space . 3.0))
-			(next-note . (extra-space . 1.0))
-			(right-edge . (extra-space . 0.5))))
-	(stencil . ,ly:clef::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
+        (avoid-slur . inside)
+        (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
+        (break-align-symbol . cue-clef)
+        (break-visibility . ,begin-of-line-visible)
+        (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
+        (font-size . -4)
+        (glyph-name . ,ly:clef::calc-glyph-name)
+        (non-musical . #t)
+        (full-size-change . #t)
+        (space-alist . ((staff-bar . (minimum-space . 2.7))
+                        (key-cancellation . (minimum-space . 3.5))
+                        (key-signature . (minimum-space . 3.5))
+                        (time-signature . (minimum-space . 4.2))
+                        (custos . (minimum-space . 0.0))
+                        (first-note . (minimum-fixed-space . 3.0))
+                        (next-note . (extra-space . 1.0))
+                        (right-edge . (extra-space . 0.5))))
+        (stencil . ,ly:clef::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
                  (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
                                       (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (break-aligned-interface
-				clef-interface
-				font-interface
-				pure-from-neighbor-interface
-				staff-symbol-referencer-interface))))))
+                 (interfaces . (break-aligned-interface
+                                clef-interface
+                                font-interface
+                                pure-from-neighbor-interface
+                                staff-symbol-referencer-interface))))))
 
     (CueEndClef
      . (
-	(avoid-slur . inside)
-	(break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
-	(break-align-symbol . cue-end-clef)
-	(break-visibility . ,begin-of-line-invisible)
-	(extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
-	(font-size . -4)
-	(glyph-name . ,ly:clef::calc-glyph-name)
-	(non-musical . #t)
-	(full-size-change . #t)
-	(space-alist . ((clef . (extra-space . 0.7))
-			(cue-clef . (extra-space . 0.7))
-			(staff-bar . (extra-space . 0.7))
-			(key-cancellation . (minimum-space . 3.5))
-			(key-signature . (minimum-space . 3.5))
-			(time-signature . (minimum-space . 4.2))
-			(first-note . (minimum-fixed-space . 5.0))
-			(next-note . (extra-space . 1.0))
-			(right-edge . (extra-space . 0.5))))
-	(stencil . ,ly:clef::print)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
+        (avoid-slur . inside)
+        (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
+        (break-align-symbol . cue-end-clef)
+        (break-visibility . ,begin-of-line-invisible)
+        (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
+        (font-size . -4)
+        (glyph-name . ,ly:clef::calc-glyph-name)
+        (non-musical . #t)
+        (full-size-change . #t)
+        (space-alist . ((clef . (extra-space . 0.7))
+                        (cue-clef . (extra-space . 0.7))
+                        (staff-bar . (extra-space . 0.7))
+                        (key-cancellation . (minimum-space . 3.5))
+                        (key-signature . (minimum-space . 3.5))
+                        (time-signature . (minimum-space . 4.2))
+                        (first-note . (minimum-fixed-space . 5.0))
+                        (next-note . (extra-space . 1.0))
+                        (right-edge . (extra-space . 0.5))))
+        (stencil . ,ly:clef::print)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
                  (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
                                       (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (break-aligned-interface
-				clef-interface
-				font-interface
-				pure-from-neighbor-interface
-				staff-symbol-referencer-interface))))))
+                 (interfaces . (break-aligned-interface
+                                clef-interface
+                                font-interface
+                                pure-from-neighbor-interface
+                                staff-symbol-referencer-interface))))))
 
     (Custos
      . (
-	(break-align-symbol . custos)
-	(break-visibility . ,end-of-line-visible)
-	(neutral-direction . ,DOWN)
-	(non-musical . #t)
-	(space-alist . (
-			(first-note . (minimum-fixed-space . 0.0))
-			(right-edge . (extra-space . 0.1))))
-	(stencil . ,ly:custos::print)
-	(style . vaticana)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(meta . ((class . Item)
-		 (interfaces  . (break-aligned-interface
-				 custos-interface
-				 font-interface
-				 staff-symbol-referencer-interface))))))
+        (break-align-symbol . custos)
+        (break-visibility . ,end-of-line-visible)
+        (neutral-direction . ,DOWN)
+        (non-musical . #t)
+        (space-alist . (
+                        (first-note . (minimum-fixed-space . 0.0))
+                        (right-edge . (extra-space . 0.1))))
+        (stencil . ,ly:custos::print)
+        (style . vaticana)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (meta . ((class . Item)
+                 (interfaces  . (break-aligned-interface
+                                 custos-interface
+                                 font-interface
+                                 staff-symbol-referencer-interface))))))
 
     (DotColumn
      . (
-	(axes . (,X))
-	(direction . ,RIGHT)
-	(positioning-done . ,ly:dot-column::calc-positioning-done)
-	(X-extent . ,ly:axis-group-interface::width)
-	(meta . ((class . Item)
-		 (interfaces . (axis-group-interface
-				dot-column-interface))))))
+        (axes . (,X))
+        (direction . ,RIGHT)
+        (positioning-done . ,ly:dot-column::calc-positioning-done)
+        (X-extent . ,ly:axis-group-interface::width)
+        (meta . ((class . Item)
+                 (interfaces . (axis-group-interface
+                                dot-column-interface))))))
 
     (Dots
      . (
-	(avoid-slur . inside)
-	(dot-count . ,dots::calc-dot-count)
-	(staff-position . ,dots::calc-staff-position)
-	(stencil . ,ly:dots::print)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(extra-spacing-height . (-0.5 . 0.5))
-	(meta . ((class . Item)
-		 (interfaces . (dots-interface
-				font-interface
-				staff-symbol-referencer-interface))))))
+        (avoid-slur . inside)
+        (dot-count . ,dots::calc-dot-count)
+        (staff-position . ,dots::calc-staff-position)
+        (stencil . ,ly:dots::print)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (extra-spacing-height . (-0.5 . 0.5))
+        (meta . ((class . Item)
+                 (interfaces . (dots-interface
+                                font-interface
+                                staff-symbol-referencer-interface))))))
 
     (DoublePercentRepeat
      . (
-	(break-align-symbol . staff-bar)
-	(break-visibility . ,begin-of-line-invisible)
-	(dot-negative-kern . 0.75)
-	(font-encoding . fetaMusic)
-	(non-musical . #t)
-	(slash-negative-kern . 1.6)
-	(slope . 1.0)
-	(stencil . ,ly:percent-repeat-item-interface::double-percent)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(thickness . 0.48)
-	(meta . ((class . Item)
-		 (interfaces . (break-aligned-interface
-				font-interface
-				percent-repeat-interface
-				percent-repeat-item-interface))))))
+        (break-align-symbol . staff-bar)
+        (break-visibility . ,begin-of-line-invisible)
+        (dot-negative-kern . 0.75)
+        (font-encoding . fetaMusic)
+        (non-musical . #t)
+        (slash-negative-kern . 1.6)
+        (slope . 1.0)
+        (stencil . ,ly:percent-repeat-item-interface::double-percent)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (thickness . 0.48)
+        (meta . ((class . Item)
+                 (interfaces . (break-aligned-interface
+                                font-interface
+                                percent-repeat-interface
+                                percent-repeat-item-interface))))))
 
     (DoublePercentRepeatCounter
      . (
-	(direction . ,UP)
-	(font-encoding . fetaText)
-	(font-size . -2)
-	(padding . 0.2)
-	(self-alignment-X . ,CENTER)
-	(side-axis . ,Y)
-	(staff-padding . 0.25)
-	(stencil . ,ly:text-interface::print)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::centered-on-y-parent))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self)))))
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				percent-repeat-interface
-				percent-repeat-item-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface))))))
+        (direction . ,UP)
+        (font-encoding . fetaText)
+        (font-size . -2)
+        (padding . 0.2)
+        (self-alignment-X . ,CENTER)
+        (side-axis . ,Y)
+        (staff-padding . 0.25)
+        (stencil . ,ly:text-interface::print)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::centered-on-y-parent))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self)))))
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                percent-repeat-interface
+                                percent-repeat-item-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface))))))
 
     (DoubleRepeatSlash
      . (
-	(dot-negative-kern . 0.75)
-	(font-encoding . fetaMusic)
-	(slash-negative-kern . 1.6)
-	(slope . 1.0)
-	(stencil . ,ly:percent-repeat-item-interface::beat-slash)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(thickness . 0.48)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				percent-repeat-interface
-				percent-repeat-item-interface
-				rhythmic-grob-interface))))))
+        (dot-negative-kern . 0.75)
+        (font-encoding . fetaMusic)
+        (slash-negative-kern . 1.6)
+        (slope . 1.0)
+        (stencil . ,ly:percent-repeat-item-interface::beat-slash)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (thickness . 0.48)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                percent-repeat-interface
+                                percent-repeat-item-interface
+                                rhythmic-grob-interface))))))
 
     (DynamicLineSpanner
      . (
-	(axes . (,Y))
-	(cross-staff . ,ly:side-position-interface::calc-cross-staff)
-	(direction . ,DOWN)
-	(minimum-space . 1.2)
-	(outside-staff-priority . 250)
-	(outside-staff-padding . 0.6)
-	(padding . 0.6)
-	(side-axis . ,Y)
-	(slur-padding . 0.3)
-	(staff-padding . 0.1)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				dynamic-interface
-				dynamic-line-spanner-interface
-				side-position-interface))))))
+        (axes . (,Y))
+        (cross-staff . ,ly:side-position-interface::calc-cross-staff)
+        (direction . ,DOWN)
+        (minimum-space . 1.2)
+        (outside-staff-priority . 250)
+        (outside-staff-padding . 0.6)
+        (padding . 0.6)
+        (side-axis . ,Y)
+        (slur-padding . 0.3)
+        (staff-padding . 0.1)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                dynamic-interface
+                                dynamic-line-spanner-interface
+                                side-position-interface))))))
 
     (DynamicText
      . (
 
-	;; todo.
-
-	(collision-bias . -2.0)
-	(collision-padding . 0.5)
-	(direction . ,ly:script-interface::calc-direction)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(font-encoding . fetaText)
-	(font-series . bold)
-	(font-shape . italic)
-	(positioning-done . ,ly:script-interface::calc-positioning-done)
-	(right-padding . 0.5)
-	(self-alignment-X . ,CENTER)
-	(self-alignment-Y . ,CENTER)
-	(stencil . ,ly:text-interface::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
-	(Y-offset . ,self-alignment-interface::y-aligned-on-self)
-	(meta . ((class . Item)
-		 (interfaces . (dynamic-interface
-				dynamic-text-interface
-				font-interface
-				script-interface
-				self-alignment-interface
-				text-interface))))))
+        ;; todo.
+
+        (collision-bias . -2.0)
+        (collision-padding . 0.5)
+        (direction . ,ly:script-interface::calc-direction)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (font-encoding . fetaText)
+        (font-series . bold)
+        (font-shape . italic)
+        (positioning-done . ,ly:script-interface::calc-positioning-done)
+        (right-padding . 0.5)
+        (self-alignment-X . ,CENTER)
+        (self-alignment-Y . ,CENTER)
+        (stencil . ,ly:text-interface::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
+        (Y-offset . ,self-alignment-interface::y-aligned-on-self)
+        (meta . ((class . Item)
+                 (interfaces . (dynamic-interface
+                                dynamic-text-interface
+                                font-interface
+                                script-interface
+                                self-alignment-interface
+                                text-interface))))))
 
     (DynamicTextSpanner
      . (
-	(before-line-breaking . ,dynamic-text-spanner::before-line-breaking)
-	(bound-details . ((right . ((attach-dir .  ,LEFT)
-				    (Y . 0)
-				    (padding . 0.75)
-				    ))
-			  (right-broken . ((attach-dir .  ,RIGHT)
-				    (padding . 0.0)
-				    ))
-
-			  (left . ((attach-dir .  ,LEFT)
-				   (Y . 0)
-				   (stencil-offset . (-0.75 . -0.5))
-				   (padding . 0.75)
-				   ))
-			  (left-broken . ((attach-dir .  ,RIGHT)
-				   ))
-			  ))
-	(dash-fraction . 0.2)
-	(dash-period . 3.0)
-
-	;; rather ugh with NCSB
-	;; (font-series . bold)
-	(font-shape . italic)
-
-	;; need to blend with dynamic texts.
-	(font-size . 1)
-
-	(left-bound-info . ,ly:line-spanner::calc-left-bound-info-and-text)
-
-	(minimum-length . 2.0)
-	;; make sure the spanner doesn't get too close to notes
-	(minimum-Y-extent . (-1 . 1))
-
-	(right-bound-info . ,ly:line-spanner::calc-right-bound-info)
-	(skyline-horizontal-padding . 0.2)
-	(springs-and-rods . ,ly:spanner::set-spacing-rods)
-	(stencil . ,ly:line-spanner::print)
-	(style . dashed-line)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(meta . ((class . Spanner)
-		 (interfaces . (dynamic-interface
-				dynamic-text-spanner-interface
-				font-interface
-				line-interface
-				line-spanner-interface
-				spanner-interface
-				text-interface))))))
+        (before-line-breaking . ,dynamic-text-spanner::before-line-breaking)
+        (bound-details . ((right . ((attach-dir .  ,LEFT)
+                                    (Y . 0)
+                                    (padding . 0.75)
+                                    ))
+                          (right-broken . ((attach-dir .  ,RIGHT)
+                                           (padding . 0.0)
+                                           ))
+
+                          (left . ((attach-dir .  ,LEFT)
+                                   (Y . 0)
+                                   (stencil-offset . (-0.75 . -0.5))
+                                   (padding . 0.75)
+                                   ))
+                          (left-broken . ((attach-dir .  ,RIGHT)
+                                          ))
+                          ))
+        (dash-fraction . 0.2)
+        (dash-period . 3.0)
+
+        ;; rather ugh with NCSB
+        ;; (font-series . bold)
+        (font-shape . italic)
+
+        ;; need to blend with dynamic texts.
+        (font-size . 1)
+
+        (left-bound-info . ,ly:line-spanner::calc-left-bound-info-and-text)
+
+        (minimum-length . 2.0)
+        ;; make sure the spanner doesn't get too close to notes
+        (minimum-Y-extent . (-1 . 1))
+
+        (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
+        (skyline-horizontal-padding . 0.2)
+        (springs-and-rods . ,ly:spanner::set-spacing-rods)
+        (stencil . ,ly:line-spanner::print)
+        (style . dashed-line)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (meta . ((class . Spanner)
+                 (interfaces . (dynamic-interface
+                                dynamic-text-spanner-interface
+                                font-interface
+                                line-interface
+                                line-spanner-interface
+                                spanner-interface
+                                text-interface))))))
 
 
     (Episema
      . (
-	(bound-details . ((left . ((Y . 0)
-				   (padding . 0)
-				   (attach-dir . ,LEFT)
-				   ))
-			  (right . ((Y . 0)
-				    (padding . 0)
-				    (attach-dir . ,RIGHT)
-				    ))
-			  ))
-	(direction . ,UP)
-	(left-bound-info . ,ly:line-spanner::calc-left-bound-info)
-	(quantize-position . #t)
-	(right-bound-info . ,ly:line-spanner::calc-right-bound-info)
-	(side-axis . ,Y)
-	(stencil . ,ly:line-spanner::print)
-	(style . line)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (interfaces . (episema-interface
-				font-interface
-				line-interface
-				line-spanner-interface
-				side-position-interface))))))
+        (bound-details . ((left . ((Y . 0)
+                                   (padding . 0)
+                                   (attach-dir . ,LEFT)
+                                   ))
+                          (right . ((Y . 0)
+                                    (padding . 0)
+                                    (attach-dir . ,RIGHT)
+                                    ))
+                          ))
+        (direction . ,UP)
+        (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
+        (quantize-position . #t)
+        (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
+        (side-axis . ,Y)
+        (stencil . ,ly:line-spanner::print)
+        (style . line)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (interfaces . (episema-interface
+                                font-interface
+                                line-interface
+                                line-spanner-interface
+                                side-position-interface))))))
 
 
     (Fingering
      . (
 
-	;; sync with TextScript (?)
-	(add-stem-support . ,only-if-beamed)
-	(avoid-slur . around)
-	(cross-staff . ,script-or-side-position-cross-staff)
-	(direction . ,ly:script-interface::calc-direction)
-	(font-encoding . fetaText)
-	(font-size . -5) 		; don't overlap when next to heads.
-	(padding . 0.5)
-	(positioning-done . ,ly:script-interface::calc-positioning-done)
-	(script-priority . 100)
-	(self-alignment-X . ,CENTER)
-	(self-alignment-Y . ,CENTER)
-	(slur-padding . 0.2)
-	(staff-padding . 0.5)
-	(stencil . ,ly:text-interface::print)
-	(text . ,fingering::calc-text)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (finger-interface
-				font-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface
-				text-script-interface))))))
+        ;; sync with TextScript (?)
+        (add-stem-support . ,only-if-beamed)
+        (avoid-slur . around)
+        (cross-staff . ,script-or-side-position-cross-staff)
+        (direction . ,ly:script-interface::calc-direction)
+        (font-encoding . fetaText)
+        (font-size . -5)                ; don't overlap when next to heads.
+        (padding . 0.5)
+        (positioning-done . ,ly:script-interface::calc-positioning-done)
+        (script-priority . 100)
+        (self-alignment-X . ,CENTER)
+        (self-alignment-Y . ,CENTER)
+        (slur-padding . 0.2)
+        (staff-padding . 0.5)
+        (stencil . ,ly:text-interface::print)
+        (text . ,fingering::calc-text)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (finger-interface
+                                font-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface
+                                text-script-interface))))))
 
     (FingeringColumn
      . (
-	(padding . 0.2)
-	(positioning-done . ,ly:fingering-column::calc-positioning-done)
-	(snap-radius . 0.3)
-	(meta . ((class . Item)
-		 (interfaces . (fingering-column-interface))))))
+        (padding . 0.2)
+        (positioning-done . ,ly:fingering-column::calc-positioning-done)
+        (snap-radius . 0.3)
+        (meta . ((class . Item)
+                 (interfaces . (fingering-column-interface))))))
 
     (Flag
      . (
-	(glyph-name . ,ly:flag::glyph-name)
-	(stencil . ,ly:flag::print)
-	(X-extent . ,ly:flag::width)
-	(X-offset . ,ly:flag::calc-x-offset)
-	(Y-offset . ,(ly:make-unpure-pure-container ly:flag::calc-y-offset ly:flag::pure-calc-y-offset))
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (flag-interface
+        (glyph-name . ,ly:flag::glyph-name)
+        (stencil . ,ly:flag::print)
+        (X-extent . ,ly:flag::width)
+        (X-offset . ,ly:flag::calc-x-offset)
+        (Y-offset . ,(ly:make-unpure-pure-container ly:flag::calc-y-offset ly:flag::pure-calc-y-offset))
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (flag-interface
                                 font-interface))))))
 
     (FootnoteItem
      . (
-	(annotation-balloon . #f)
-	(annotation-line . #t)
-	(automatically-numbered . ,(grob::calc-property-by-copy 'automatically-numbered))
-	(break-visibility . ,(grob::inherit-parent-property
+        (annotation-balloon . #f)
+        (annotation-line . #t)
+        (automatically-numbered . ,(grob::calc-property-by-copy 'automatically-numbered))
+        (break-visibility . ,(grob::inherit-parent-property
                               X 'break-visibility))
-	(footnote . #t)
-	(footnote-text . ,(grob::calc-property-by-copy 'footnote-text))
-	(stencil . ,ly:balloon-interface::print)
-	(text . ,(grob::calc-property-by-copy 'text))
-	(X-extent . #f)
-	(Y-extent . #f)
-	(X-offset . ,(grob::calc-property-by-copy 'X-offset))
-	(Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
-	(meta . ((class . Item)
-		 (interfaces . (balloon-interface
-				footnote-interface
-				font-interface
-				text-interface))))))
+        (footnote . #t)
+        (footnote-text . ,(grob::calc-property-by-copy 'footnote-text))
+        (stencil . ,ly:balloon-interface::print)
+        (text . ,(grob::calc-property-by-copy 'text))
+        (X-extent . #f)
+        (Y-extent . #f)
+        (X-offset . ,(grob::calc-property-by-copy 'X-offset))
+        (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
+        (meta . ((class . Item)
+                 (interfaces . (balloon-interface
+                                footnote-interface
+                                font-interface
+                                text-interface))))))
 
     (FootnoteSpanner
      . (
-	(annotation-balloon . #f)
-	(annotation-line . #t)
-	(automatically-numbered . ,(grob::calc-property-by-copy 'automatically-numbered))
-	(footnote . #t)
-	(footnote-text . ,(grob::calc-property-by-copy 'footnote-text))
-	(spanner-placement . ,LEFT)
-	(stencil . ,ly:balloon-interface::print-spanner)
-	(text . ,(grob::calc-property-by-copy 'text))
-	(X-extent . #f)
-	(Y-extent . #f)
-	(X-offset . ,(grob::calc-property-by-copy 'X-offset))
-	(Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
-	(meta . ((class . Spanner)
-		 (interfaces . (balloon-interface
+        (annotation-balloon . #f)
+        (annotation-line . #t)
+        (automatically-numbered . ,(grob::calc-property-by-copy 'automatically-numbered))
+        (footnote . #t)
+        (footnote-text . ,(grob::calc-property-by-copy 'footnote-text))
+        (spanner-placement . ,LEFT)
+        (stencil . ,ly:balloon-interface::print-spanner)
+        (text . ,(grob::calc-property-by-copy 'text))
+        (X-extent . #f)
+        (Y-extent . #f)
+        (X-offset . ,(grob::calc-property-by-copy 'X-offset))
+        (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
+        (meta . ((class . Spanner)
+                 (interfaces . (balloon-interface
                                 footnote-interface
-				footnote-spanner-interface
-				font-interface
-				text-interface))))))
+                                footnote-spanner-interface
+                                font-interface
+                                text-interface))))))
 
     (FretBoard
      . (
-	(after-line-breaking . ,ly:chord-name::after-line-breaking)
-	(fret-diagram-details . ((finger-code . below-string)))
-	(stencil . ,fret-board::calc-stencil)
-	(extra-spacing-height . (0.2 . -0.2))
-	(extra-spacing-width . (-0.5 . 0.5))
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (chord-name-interface
-				font-interface
-				fret-diagram-interface
-				rhythmic-grob-interface))))))
+        (after-line-breaking . ,ly:chord-name::after-line-breaking)
+        (fret-diagram-details . ((finger-code . below-string)))
+        (stencil . ,fret-board::calc-stencil)
+        (extra-spacing-height . (0.2 . -0.2))
+        (extra-spacing-width . (-0.5 . 0.5))
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (chord-name-interface
+                                font-interface
+                                fret-diagram-interface
+                                rhythmic-grob-interface))))))
 
 
     (Glissando
      . (
-	(after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
-	(bound-details . ((right . ((attach-dir .  ,LEFT)
-				    (end-on-accidental . #t)
-				    (padding . 0.5)
-				      ))
-			  (left . ((attach-dir .  ,RIGHT)
-				   (padding . 0.5)
-				      ))
-			  ))
-	(cross-staff . ,ly:line-spanner::calc-cross-staff)
-	(gap . 0.5)
-	(left-bound-info . ,ly:line-spanner::calc-left-bound-info)
-	(normalized-endpoints . ,ly:spanner::calc-normalized-endpoints)
-	(right-bound-info . ,ly:line-spanner::calc-right-bound-info)
-	(simple-Y . #t)
-	(stencil . ,ly:line-spanner::print)
-	(style . line)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(X-extent . #f)
-	(Y-extent . #f)
-	(zigzag-width . 0.75)
-	(meta . ((class . Spanner)
-		 (interfaces . (glissando-interface
-				line-interface
-				line-spanner-interface
-				unbreakable-spanner-interface))))))
+        (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
+        (bound-details . ((right . ((attach-dir .  ,LEFT)
+                                    (end-on-accidental . #t)
+                                    (padding . 0.5)
+                                    ))
+                          (left . ((attach-dir .  ,RIGHT)
+                                   (padding . 0.5)
+                                   ))
+                          ))
+        (cross-staff . ,ly:line-spanner::calc-cross-staff)
+        (gap . 0.5)
+        (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
+        (normalized-endpoints . ,ly:spanner::calc-normalized-endpoints)
+        (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
+        (simple-Y . #t)
+        (stencil . ,ly:line-spanner::print)
+        (style . line)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (X-extent . #f)
+        (Y-extent . #f)
+        (zigzag-width . 0.75)
+        (meta . ((class . Spanner)
+                 (interfaces . (glissando-interface
+                                line-interface
+                                line-spanner-interface
+                                unbreakable-spanner-interface))))))
 
     (GraceSpacing
      . (
-	(common-shortest-duration . ,grace-spacing::calc-shortest-duration)
-	(shortest-duration-space . 1.6)
-	(spacing-increment . 0.8)
-	(meta . ((class . Spanner)
-		 (interfaces . (grace-spacing-interface
-				spacing-options-interface
-				spanner-interface))))))
+        (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
+        (shortest-duration-space . 1.6)
+        (spacing-increment . 0.8)
+        (meta . ((class . Spanner)
+                 (interfaces . (grace-spacing-interface
+                                spacing-options-interface
+                                spanner-interface))))))
 
     (GridLine
      . (
-	(layer . 0)
-	(self-alignment-X . ,CENTER)
-	(stencil . ,ly:grid-line-interface::print)
-	(X-extent  . ,ly:grid-line-interface::width)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::centered-on-x-parent))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self)))))
-	(meta . ((class . Item)
-		 (interfaces . (grid-line-interface
-				self-alignment-interface))))))
+        (layer . 0)
+        (self-alignment-X . ,CENTER)
+        (stencil . ,ly:grid-line-interface::print)
+        (X-extent  . ,ly:grid-line-interface::width)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::centered-on-x-parent))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self)))))
+        (meta . ((class . Item)
+                 (interfaces . (grid-line-interface
+                                self-alignment-interface))))))
 
     (GridPoint
      . (
-	(X-extent . (0 . 0))
-	(Y-extent . (0 . 0))
-	(meta . ((class . Item)
-		 (interfaces . (grid-point-interface))))))
+        (X-extent . (0 . 0))
+        (Y-extent . (0 . 0))
+        (meta . ((class . Item)
+                 (interfaces . (grid-point-interface))))))
 
 
     (Hairpin
      . (
-	(after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
-	(bound-padding . 1.0)
-	(broken-bound-padding . ,ly:hairpin::broken-bound-padding)
-	(circled-tip . #f)
-	(grow-direction . ,hairpin::calc-grow-direction)
-	(height . 0.6666)
-	(minimum-length . 2.0)
-	(self-alignment-Y . ,CENTER)
-	(springs-and-rods . ,ly:spanner::set-spacing-rods)
-	(stencil . ,ly:hairpin::print)
-	(thickness . 1.0)
-	(to-barline . #t)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:hairpin::pure-height))
-	(Y-offset . ,self-alignment-interface::y-aligned-on-self)
-	(meta . ((class . Spanner)
-		 (interfaces . (dynamic-interface
-				hairpin-interface
-				line-interface
-				self-alignment-interface
-				spanner-interface))))))
+        (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
+        (bound-padding . 1.0)
+        (broken-bound-padding . ,ly:hairpin::broken-bound-padding)
+        (circled-tip . #f)
+        (grow-direction . ,hairpin::calc-grow-direction)
+        (height . 0.6666)
+        (minimum-length . 2.0)
+        (self-alignment-Y . ,CENTER)
+        (springs-and-rods . ,ly:spanner::set-spacing-rods)
+        (stencil . ,ly:hairpin::print)
+        (thickness . 1.0)
+        (to-barline . #t)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:hairpin::pure-height))
+        (Y-offset . ,self-alignment-interface::y-aligned-on-self)
+        (meta . ((class . Spanner)
+                 (interfaces . (dynamic-interface
+                                hairpin-interface
+                                line-interface
+                                self-alignment-interface
+                                spanner-interface))))))
 
     (HorizontalBracket
      . (
-	(bracket-flare . (0.5 . 0.5))
-	(connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
-	(direction . ,DOWN)
-	(padding . 0.2)
-	(side-axis . ,Y)
-	(staff-padding . 0.2)
-	(stencil . ,ly:horizontal-bracket::print)
-	(thickness . 1.0)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (interfaces . (horizontal-bracket-interface
-				line-interface
-				side-position-interface
-				spanner-interface))))))
+        (bracket-flare . (0.5 . 0.5))
+        (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
+        (direction . ,DOWN)
+        (padding . 0.2)
+        (side-axis . ,Y)
+        (staff-padding . 0.2)
+        (stencil . ,ly:horizontal-bracket::print)
+        (thickness . 1.0)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (interfaces . (horizontal-bracket-interface
+                                line-interface
+                                side-position-interface
+                                spanner-interface))))))
 
 
     (InstrumentName
      . (
-	(direction . ,LEFT)
-	(padding . 0.3)
-	(self-alignment-X . ,CENTER)
-	(self-alignment-Y . ,CENTER)
-	(stencil . ,system-start-text::print)
-	(X-offset . ,system-start-text::calc-x-offset)
-	(Y-offset . ,system-start-text::calc-y-offset)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				self-alignment-interface
-				side-position-interface
-				system-start-text-interface))))))
+        (direction . ,LEFT)
+        (padding . 0.3)
+        (self-alignment-X . ,CENTER)
+        (self-alignment-Y . ,CENTER)
+        (stencil . ,system-start-text::print)
+        (X-offset . ,system-start-text::calc-x-offset)
+        (Y-offset . ,system-start-text::calc-y-offset)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                self-alignment-interface
+                                side-position-interface
+                                system-start-text-interface))))))
 
     (InstrumentSwitch
      . (
-	(direction . ,UP)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(outside-staff-priority . 500)
-	(padding . 0.5)
-	(self-alignment-X . ,LEFT)
-	(side-axis . ,Y)
-	(staff-padding . 0.5)
-	(stencil . ,ly:text-interface::print)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface))))))
+        (direction . ,UP)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (outside-staff-priority . 500)
+        (padding . 0.5)
+        (self-alignment-X . ,LEFT)
+        (side-axis . ,Y)
+        (staff-padding . 0.5)
+        (stencil . ,ly:text-interface::print)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface))))))
 
 
     (KeyCancellation
      . (
-	(break-align-symbol . key-cancellation)
-	(break-visibility . ,begin-of-line-invisible)
-	(glyph-name-alist . ,cancellation-glyph-name-alist)
-	(non-musical . #t)
-	(flat-positions . (2 3 4 2 1 2 1))
-	(sharp-positions . (4 5 4 2 3 2 3))
-	(space-alist . (
-			(time-signature . (extra-space . 1.25))
-			(staff-bar . (extra-space . 0.6))
-			(key-signature . (extra-space . 0.5))
-			(cue-clef . (extra-space . 0.5))
-			(right-edge . (extra-space . 0.5))
-			(first-note . (fixed-space . 2.5))))
-	(stencil . ,ly:key-signature-interface::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(extra-spacing-width . (0.0 . 1.0))
-	(extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(meta . ((class . Item)
+        (break-align-symbol . key-cancellation)
+        (break-visibility . ,begin-of-line-invisible)
+        (glyph-name-alist . ,cancellation-glyph-name-alist)
+        (non-musical . #t)
+        (flat-positions . (2 3 4 2 1 2 1))
+        (sharp-positions . (4 5 4 2 3 2 3))
+        (space-alist . (
+                        (time-signature . (extra-space . 1.25))
+                        (staff-bar . (extra-space . 0.6))
+                        (key-signature . (extra-space . 0.5))
+                        (cue-clef . (extra-space . 0.5))
+                        (right-edge . (extra-space . 0.5))
+                        (first-note . (fixed-space . 2.5))))
+        (stencil . ,ly:key-signature-interface::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (extra-spacing-width . (0.0 . 1.0))
+        (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (meta . ((class . Item)
                  (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
                                       (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (break-aligned-interface
-				font-interface
-				key-cancellation-interface
-				key-signature-interface
-				pure-from-neighbor-interface
-				staff-symbol-referencer-interface))))))
+                 (interfaces . (break-aligned-interface
+                                font-interface
+                                key-cancellation-interface
+                                key-signature-interface
+                                pure-from-neighbor-interface
+                                staff-symbol-referencer-interface))))))
 
     (KeySignature
      . (
-	(avoid-slur . inside)
-	(break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
-	(break-align-anchor-alignment . ,RIGHT)
-	(break-align-symbol . key-signature)
-	(break-visibility . ,begin-of-line-visible)
-	(glyph-name-alist . ,standard-alteration-glyph-name-alist)
-	(non-musical . #t)
-	(flat-positions . (2 3 4 2 1 2 1))
-	(sharp-positions . (4 5 4 2 3 2 3))
-	(space-alist . (
-			(time-signature . (extra-space . 1.15))
-			(staff-bar . (extra-space . 1.1))
-			(cue-clef . (extra-space . 0.5))
-			(right-edge . (extra-space . 0.5))
-			(first-note . (fixed-space . 2.5))))
-	(stencil . ,ly:key-signature-interface::print)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(extra-spacing-width . (0.0 . 1.0))
-	(extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(meta . ((class . Item)
+        (avoid-slur . inside)
+        (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
+        (break-align-anchor-alignment . ,RIGHT)
+        (break-align-symbol . key-signature)
+        (break-visibility . ,begin-of-line-visible)
+        (glyph-name-alist . ,standard-alteration-glyph-name-alist)
+        (non-musical . #t)
+        (flat-positions . (2 3 4 2 1 2 1))
+        (sharp-positions . (4 5 4 2 3 2 3))
+        (space-alist . (
+                        (time-signature . (extra-space . 1.15))
+                        (staff-bar . (extra-space . 1.1))
+                        (cue-clef . (extra-space . 0.5))
+                        (right-edge . (extra-space . 0.5))
+                        (first-note . (fixed-space . 2.5))))
+        (stencil . ,ly:key-signature-interface::print)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (extra-spacing-width . (0.0 . 1.0))
+        (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (meta . ((class . Item)
                  (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
                                       (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (break-aligned-interface
-				font-interface
-				key-signature-interface
-				pure-from-neighbor-interface
-				staff-symbol-referencer-interface))))))
+                 (interfaces . (break-aligned-interface
+                                font-interface
+                                key-signature-interface
+                                pure-from-neighbor-interface
+                                staff-symbol-referencer-interface))))))
 
     (KievanLigature
      . (
-	(springs-and-rods . ,ly:spanner::set-spacing-rods)
-	(stencil . ,ly:kievan-ligature::print)
-	(padding . 0.5)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				kievan-ligature-interface))))))
-
-   (LaissezVibrerTie
-     . (
-	(control-points . ,ly:semi-tie::calc-control-points)
-	(cross-staff . ,semi-tie::calc-cross-staff)
-	(details . ((ratio . 0.333)
-		    (height-limit . 1.0)))
-	(direction . ,ly:tie::calc-direction)
-	(head-direction . ,LEFT)
-	(stencil  . ,laissez-vibrer::print)
-	(thickness . 1.0)
-	(extra-spacing-height . (-0.5 . 0.5))
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (semi-tie-interface))))))
+        (springs-and-rods . ,ly:spanner::set-spacing-rods)
+        (stencil . ,ly:kievan-ligature::print)
+        (padding . 0.5)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                kievan-ligature-interface))))))
+
+    (LaissezVibrerTie
+     . (
+        (control-points . ,ly:semi-tie::calc-control-points)
+        (cross-staff . ,semi-tie::calc-cross-staff)
+        (details . ((ratio . 0.333)
+                    (height-limit . 1.0)))
+        (direction . ,ly:tie::calc-direction)
+        (head-direction . ,LEFT)
+        (stencil  . ,laissez-vibrer::print)
+        (thickness . 1.0)
+        (extra-spacing-height . (-0.5 . 0.5))
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (semi-tie-interface))))))
 
     (LaissezVibrerTieColumn
      . (
-	(head-direction . ,ly:semi-tie-column::calc-head-direction)
-	(positioning-done . ,ly:semi-tie-column::calc-positioning-done)
-	(X-extent . #f)
-	(Y-extent . #f)
-	(meta . ((class . Item)
-		 (interfaces . (semi-tie-column-interface))))))
+        (head-direction . ,ly:semi-tie-column::calc-head-direction)
+        (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
+        (X-extent . #f)
+        (Y-extent . #f)
+        (meta . ((class . Item)
+                 (interfaces . (semi-tie-column-interface))))))
 
     (LedgerLineSpanner
      . (
-	(layer . 0)
-	(length-fraction . 0.25)
-	(minimum-length-fraction . 0.25)
-	(springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
-	(stencil . ,ly:ledger-line-spanner::print)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(X-extent . #f)
-	(Y-extent . #f)
-	(meta . ((class . Spanner)
-		 (interfaces . (ledger-line-spanner-interface))))))
+        (layer . 0)
+        (length-fraction . 0.25)
+        (minimum-length-fraction . 0.25)
+        (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
+        (stencil . ,ly:ledger-line-spanner::print)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (X-extent . #f)
+        (Y-extent . #f)
+        (meta . ((class . Spanner)
+                 (interfaces . (ledger-line-spanner-interface))))))
 
     (LeftEdge
      . (
-	(break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
-	(break-align-symbol . left-edge)
-	(break-visibility . ,center-invisible)
-	(non-musical . #t)
-	(extra-spacing-height . (+inf.0 . -inf.0))
-	(space-alist . (
-			(ambitus . (extra-space . 2.0))
-			(breathing-sign . (minimum-space . 0.0))
-			(cue-end-clef . (extra-space . 0.8))
-			(clef . (extra-space . 0.8))
-			(cue-clef . (extra-space . 0.8))
-			(staff-bar . (extra-space . 0.0))
-			(key-cancellation . (extra-space . 0.0))
-			(key-signature . (extra-space . 0.8))
-			(time-signature . (extra-space . 1.0))
-			(custos . (extra-space . 0.0))
-			(first-note . (fixed-space . 2.0))
-			(right-edge . (extra-space . 0.0))
-			))
-	(X-extent . (0 . 0))
-	(meta . ((class . Item)
-		 (interfaces . (break-aligned-interface))))))
+        (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
+        (break-align-symbol . left-edge)
+        (break-visibility . ,center-invisible)
+        (non-musical . #t)
+        (extra-spacing-height . (+inf.0 . -inf.0))
+        (space-alist . (
+                        (ambitus . (extra-space . 2.0))
+                        (breathing-sign . (minimum-space . 0.0))
+                        (cue-end-clef . (extra-space . 0.8))
+                        (clef . (extra-space . 0.8))
+                        (cue-clef . (extra-space . 0.8))
+                        (staff-bar . (extra-space . 0.0))
+                        (key-cancellation . (extra-space . 0.0))
+                        (key-signature . (extra-space . 0.8))
+                        (time-signature . (extra-space . 1.0))
+                        (custos . (extra-space . 0.0))
+                        (first-note . (fixed-space . 2.0))
+                        (right-edge . (extra-space . 0.0))
+                        ))
+        (X-extent . (0 . 0))
+        (meta . ((class . Item)
+                 (interfaces . (break-aligned-interface))))))
 
     (LigatureBracket
      . (
-	;; ugh.  A ligature bracket is totally different from
-	;; a tuplet bracket.
-
-	(bracket-visibility . #t)
-	(connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
-	(direction . ,UP)
-	(edge-height . (0.7 . 0.7))
-	(padding . 2.0)
-	(positions . ,ly:tuplet-bracket::calc-positions)
-	(shorten-pair . (-0.2 . -0.2))
-	(staff-padding . 0.25)
-	(stencil . ,ly:tuplet-bracket::print)
-	(thickness . 1.6)
-	(X-positions . ,ly:tuplet-bracket::calc-x-positions)
-	(meta . ((class . Spanner)
-		 (interfaces . (line-interface
-				tuplet-bracket-interface))))))
+        ;; ugh.  A ligature bracket is totally different from
+        ;; a tuplet bracket.
+
+        (bracket-visibility . #t)
+        (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
+        (direction . ,UP)
+        (edge-height . (0.7 . 0.7))
+        (padding . 2.0)
+        (positions . ,ly:tuplet-bracket::calc-positions)
+        (shorten-pair . (-0.2 . -0.2))
+        (staff-padding . 0.25)
+        (stencil . ,ly:tuplet-bracket::print)
+        (thickness . 1.6)
+        (X-positions . ,ly:tuplet-bracket::calc-x-positions)
+        (meta . ((class . Spanner)
+                 (interfaces . (line-interface
+                                tuplet-bracket-interface))))))
 
     (LyricExtender
      . (
-	(minimum-length . 1.5)
-	(stencil . ,ly:lyric-extender::print)
-	(thickness . 0.8) ; line-thickness
-	(Y-extent . (0 . 0))
-	(meta . ((class . Spanner)
-		 (interfaces . (lyric-extender-interface
-				lyric-interface))))))
+        (minimum-length . 1.5)
+        (stencil . ,ly:lyric-extender::print)
+        (thickness . 0.8) ; line-thickness
+        (Y-extent . (0 . 0))
+        (meta . ((class . Spanner)
+                 (interfaces . (lyric-extender-interface
+                                lyric-interface))))))
 
     (LyricHyphen
      . (
-	(after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
-	(dash-period . 10.0)
-	(height . 0.42)
-	(length . 0.66)
-	(minimum-distance . 0.1)
-	(minimum-length . 0.3)
-	(padding . 0.07)
-	(springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
-	(stencil . ,ly:lyric-hyphen::print)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(thickness . 1.3)
-	(Y-extent . (0 . 0))
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				lyric-hyphen-interface
-				lyric-interface
-				spanner-interface))))))
+        (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
+        (dash-period . 10.0)
+        (height . 0.42)
+        (length . 0.66)
+        (minimum-distance . 0.1)
+        (minimum-length . 0.3)
+        (padding . 0.07)
+        (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
+        (stencil . ,ly:lyric-hyphen::print)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (thickness . 1.3)
+        (Y-extent . (0 . 0))
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                lyric-hyphen-interface
+                                lyric-interface
+                                spanner-interface))))))
 
     (LyricSpace
      . (
-	(minimum-distance . 0.45)
-	(padding . 0.0)
-	(springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
-	(X-extent . #f)
-	(Y-extent . #f)
-	(meta . ((class . Spanner)
-		 (interfaces . (lyric-hyphen-interface
-				spanner-interface))))))
+        (minimum-distance . 0.45)
+        (padding . 0.0)
+        (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
+        (X-extent . #f)
+        (Y-extent . #f)
+        (meta . ((class . Spanner)
+                 (interfaces . (lyric-hyphen-interface
+                                spanner-interface))))))
 
     (LyricText
      . (
-	(extra-spacing-width . (0.0 . 0.0))
-	;; Recede in height for purposes of note spacing,
-	;; so notes in melismata can be freely spaced above lyrics
-	(extra-spacing-height . (0.2 . -0.2))
-	(font-series . medium)
-	(font-size . 1.0)
-	(self-alignment-X . ,CENTER)
-	(stencil . ,lyric-text::print)
-	(text . ,(grob::calc-property-by-copy 'text))
-	(word-space . 0.6)
-	(skyline-horizontal-padding . 0.1)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				lyric-syllable-interface
-				rhythmic-grob-interface
-				self-alignment-interface
-				text-interface))))))
+        (extra-spacing-width . (0.0 . 0.0))
+        ;; Recede in height for purposes of note spacing,
+        ;; so notes in melismata can be freely spaced above lyrics
+        (extra-spacing-height . (0.2 . -0.2))
+        (font-series . medium)
+        (font-size . 1.0)
+        (self-alignment-X . ,CENTER)
+        (stencil . ,lyric-text::print)
+        (text . ,(grob::calc-property-by-copy 'text))
+        (word-space . 0.6)
+        (skyline-horizontal-padding . 0.1)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                lyric-syllable-interface
+                                rhythmic-grob-interface
+                                self-alignment-interface
+                                text-interface))))))
 
     (MeasureCounter
      . (
@@ -1411,1347 +1411,1347 @@
         (outside-staff-padding . 0.5)
         (outside-staff-priority . 750)
         (self-alignment-X . ,CENTER)
-	(side-axis . ,Y)
+        (side-axis . ,Y)
         (staff-padding . 0.5)
         (stencil . ,measure-counter-stencil)
         (meta . ((class . Spanner)
                  (interfaces . (font-interface
                                 measure-counter-interface
                                 self-alignment-interface
-				side-position-interface
+                                side-position-interface
                                 text-interface))))))
 
     (MeasureGrouping
      . (
-	(direction . ,UP)
-	(height . 2.0)
-	(padding . 2)
-	(side-axis . ,Y)
-	(staff-padding . 3)
-	(stencil . ,ly:measure-grouping::print)
-	(thickness . 1)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (interfaces . (measure-grouping-interface
-				side-position-interface))))))
+        (direction . ,UP)
+        (height . 2.0)
+        (padding . 2)
+        (side-axis . ,Y)
+        (staff-padding . 3)
+        (stencil . ,ly:measure-grouping::print)
+        (thickness . 1)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (interfaces . (measure-grouping-interface
+                                side-position-interface))))))
 
     (MelodyItem
      . (
-	(neutral-direction . ,DOWN)
-	(meta . ((class . Item)
-		 (interfaces . (melody-spanner-interface))))))
+        (neutral-direction . ,DOWN)
+        (meta . ((class . Item)
+                 (interfaces . (melody-spanner-interface))))))
 
     (MensuralLigature
      . (
-	(springs-and-rods . ,ly:spanner::set-spacing-rods)
-	(stencil . ,ly:mensural-ligature::print)
-	(thickness . 1.3)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				mensural-ligature-interface))))))
+        (springs-and-rods . ,ly:spanner::set-spacing-rods)
+        (stencil . ,ly:mensural-ligature::print)
+        (thickness . 1.3)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                mensural-ligature-interface))))))
 
     (MetronomeMark
      . (
-	(after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
-	(break-visibility . ,end-of-line-invisible)
-	(direction . ,UP)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(outside-staff-horizontal-padding . 0.2)
-	(outside-staff-priority . 1000)
-	(padding . 0.8)
-	(side-axis . ,Y)
-	(stencil . ,ly:text-interface::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:break-alignable-interface::self-align-callback))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self)))))
-	(self-alignment-X . ,LEFT)
-	(break-align-symbols . (time-signature))
-	(non-break-align-symbols . (paper-column-interface))
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (break-alignable-interface
-				font-interface
-				metronome-mark-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface))))))
+        (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
+        (break-visibility . ,end-of-line-invisible)
+        (direction . ,UP)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (outside-staff-horizontal-padding . 0.2)
+        (outside-staff-priority . 1000)
+        (padding . 0.8)
+        (side-axis . ,Y)
+        (stencil . ,ly:text-interface::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:break-alignable-interface::self-align-callback))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self)))))
+        (self-alignment-X . ,LEFT)
+        (break-align-symbols . (time-signature))
+        (non-break-align-symbols . (paper-column-interface))
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (break-alignable-interface
+                                font-interface
+                                metronome-mark-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface))))))
 
     (MultiMeasureRest
      . (
-	(expand-limit . 10)
-	(hair-thickness . 2.0)
-	(round-up-exceptions . ())
-	(padding . 1)
-	(spacing-pair . (break-alignment . break-alignment))
-	(springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
-	(stencil . ,ly:multi-measure-rest::print)
-	(thick-thickness . 6.6)
-	;; See Wanske pp. 125
-	(usable-duration-logs . ,(iota 4 -3))
-	(Y-extent . ,(ly:make-unpure-pure-container ly:multi-measure-rest::height))
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				multi-measure-interface
-				multi-measure-rest-interface
-				rest-interface
-				staff-symbol-referencer-interface))))))
+        (expand-limit . 10)
+        (hair-thickness . 2.0)
+        (round-up-exceptions . ())
+        (padding . 1)
+        (spacing-pair . (break-alignment . break-alignment))
+        (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
+        (stencil . ,ly:multi-measure-rest::print)
+        (thick-thickness . 6.6)
+        ;; See Wanske pp. 125
+        (usable-duration-logs . ,(iota 4 -3))
+        (Y-extent . ,(ly:make-unpure-pure-container ly:multi-measure-rest::height))
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                multi-measure-interface
+                                multi-measure-rest-interface
+                                rest-interface
+                                staff-symbol-referencer-interface))))))
 
     (MultiMeasureRestNumber
      . (
-	(bound-padding  . 2.0)
-	(direction . ,UP)
-	(font-encoding . fetaText)
-	(padding . 0.4)
-	(self-alignment-X . ,CENTER)
-	(side-axis . ,Y)
-	(springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
-	(staff-padding . 0.4)
-	(stencil . ,ly:text-interface::print)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-centered-on-y-parent)))))
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				multi-measure-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface))))))
+        (bound-padding  . 2.0)
+        (direction . ,UP)
+        (font-encoding . fetaText)
+        (padding . 0.4)
+        (self-alignment-X . ,CENTER)
+        (side-axis . ,Y)
+        (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
+        (staff-padding . 0.4)
+        (stencil . ,ly:text-interface::print)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-centered-on-y-parent)))))
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                multi-measure-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface))))))
 
     (MultiMeasureRestText
      . (
-	(direction . ,UP)
-	(outside-staff-priority . 450)
-	(padding . 0.2)
-	(self-alignment-X . ,CENTER)
-	(skyline-horizontal-padding . 0.2)
-	(staff-padding . 0.25)
-	(stencil . ,ly:text-interface::print)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-centered-on-y-parent))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self)))))
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				multi-measure-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface))))))
+        (direction . ,UP)
+        (outside-staff-priority . 450)
+        (padding . 0.2)
+        (self-alignment-X . ,CENTER)
+        (skyline-horizontal-padding . 0.2)
+        (staff-padding . 0.25)
+        (stencil . ,ly:text-interface::print)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-centered-on-y-parent))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self)))))
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                multi-measure-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface))))))
 
 
     (NonMusicalPaperColumn
      . (
-	(allow-loose-spacing . #t)
-	(axes . (,X))
-	(before-line-breaking . ,ly:paper-column::before-line-breaking)
-	(bound-alignment-interfaces . (break-alignment-interface))
-	(full-measure-extra-space . 1.0)
-	(horizontal-skylines . ,ly:separation-item::calc-skylines)
-	;;		      (stencil . ,ly:paper-column::print)
-
-	(keep-inside-line . #t)
-	(line-break-permission . allow)
-	(non-musical . #t)
-	(page-break-permission . allow)
-
-	;; debugging stuff: print column number.
-	;;		 (font-size . -6) (font-name . "sans")	(Y-extent . #f)
-
-	(X-extent . ,ly:axis-group-interface::width)
-	(meta . ((class . Paper_column)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				font-interface
-				paper-column-interface
-				separation-item-interface
-				spaceable-grob-interface))))))
+        (allow-loose-spacing . #t)
+        (axes . (,X))
+        (before-line-breaking . ,ly:paper-column::before-line-breaking)
+        (bound-alignment-interfaces . (break-alignment-interface))
+        (full-measure-extra-space . 1.0)
+        (horizontal-skylines . ,ly:separation-item::calc-skylines)
+        ;;                    (stencil . ,ly:paper-column::print)
+
+        (keep-inside-line . #t)
+        (line-break-permission . allow)
+        (non-musical . #t)
+        (page-break-permission . allow)
+
+        ;; debugging stuff: print column number.
+        ;;               (font-size . -6) (font-name . "sans")  (Y-extent . #f)
+
+        (X-extent . ,ly:axis-group-interface::width)
+        (meta . ((class . Paper_column)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                font-interface
+                                paper-column-interface
+                                separation-item-interface
+                                spaceable-grob-interface))))))
 
     (NoteCollision
      . (
-	(axes . (,X ,Y))
-	(positioning-done . ,ly:note-collision-interface::calc-positioning-done)
-	(prefer-dotted-right . #t)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(meta . ((class . Item)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				note-collision-interface))))))
+        (axes . (,X ,Y))
+        (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
+        (prefer-dotted-right . #t)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (meta . ((class . Item)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                note-collision-interface))))))
 
     (NoteColumn
      . (
-	(axes . (,X ,Y))
-	(bound-alignment-interfaces . (rhythmic-head-interface stem-interface))
-	(cross-staff . ,ly:axis-group-interface::cross-staff)
-	(horizontal-skylines . ,ly:separation-item::calc-skylines)
-	(skyline-vertical-padding . 0.15)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(meta . ((class . Item)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				note-column-interface
-				separation-item-interface))))))
+        (axes . (,X ,Y))
+        (bound-alignment-interfaces . (rhythmic-head-interface stem-interface))
+        (cross-staff . ,ly:axis-group-interface::cross-staff)
+        (horizontal-skylines . ,ly:separation-item::calc-skylines)
+        (skyline-vertical-padding . 0.15)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (meta . ((class . Item)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                note-column-interface
+                                separation-item-interface))))))
 
     (NoteHead
      . (
-	(flexa-width . 2.0)
-	(duration-log . ,note-head::calc-duration-log)
-	(extra-spacing-height . ,ly:note-head::include-ledger-line-height)
-	(glyph-name . ,note-head::calc-glyph-name)
-	(ligature-flexa . #f)
-	(stem-attachment . ,ly:note-head::calc-stem-attachment)
-	(stencil . ,ly:note-head::print)
-	(X-offset . ,ly:note-head::stem-x-shift)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				gregorian-ligature-interface
-				ledgered-interface
+        (flexa-width . 2.0)
+        (duration-log . ,note-head::calc-duration-log)
+        (extra-spacing-height . ,ly:note-head::include-ledger-line-height)
+        (glyph-name . ,note-head::calc-glyph-name)
+        (ligature-flexa . #f)
+        (stem-attachment . ,ly:note-head::calc-stem-attachment)
+        (stencil . ,ly:note-head::print)
+        (X-offset . ,ly:note-head::stem-x-shift)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                gregorian-ligature-interface
+                                ledgered-interface
                                 ligature-head-interface
-				mensural-ligature-interface
-				note-head-interface
-				rhythmic-grob-interface
-				rhythmic-head-interface
-				staff-symbol-referencer-interface
-				vaticana-ligature-interface))))))
+                                mensural-ligature-interface
+                                note-head-interface
+                                rhythmic-grob-interface
+                                rhythmic-head-interface
+                                staff-symbol-referencer-interface
+                                vaticana-ligature-interface))))))
 
     (NoteName
      . (
-	(stencil . ,ly:text-interface::print)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				note-name-interface
-				text-interface))))))
+        (stencil . ,ly:text-interface::print)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                note-name-interface
+                                text-interface))))))
 
     (NoteSpacing
      . (
-	;; Changed this from 0.75.
-	;; If you ever change this back, please document! --hwn
-	(knee-spacing-correction . 1.0)
-	(same-direction-correction . 0.25)
-	(space-to-barline . #t)
-	(stem-spacing-correction . 0.5)
-	(meta . ((class . Item)
-		 (interfaces . (note-spacing-interface
-				spacing-interface))))))
+        ;; Changed this from 0.75.
+        ;; If you ever change this back, please document! --hwn
+        (knee-spacing-correction . 1.0)
+        (same-direction-correction . 0.25)
+        (space-to-barline . #t)
+        (stem-spacing-correction . 0.5)
+        (meta . ((class . Item)
+                 (interfaces . (note-spacing-interface
+                                spacing-interface))))))
 
     (OttavaBracket
      . (
-	(dash-fraction . 0.3)
-	(direction . ,UP)
-	(edge-height . (0 . 1.2))
-	(font-shape . italic)
-	(minimum-length . 1.0)
-	(outside-staff-priority . 400)
-	(padding . 0.5)
-	(shorten-pair . (0.0 . -0.6))
-	(staff-padding . 1.0)
-	(stencil . ,ly:ottava-bracket::print)
-	(style . dashed-line)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				horizontal-bracket-interface
-				line-interface
-				ottava-bracket-interface
-				side-position-interface
-				text-interface))))))
+        (dash-fraction . 0.3)
+        (direction . ,UP)
+        (edge-height . (0 . 1.2))
+        (font-shape . italic)
+        (minimum-length . 1.0)
+        (outside-staff-priority . 400)
+        (padding . 0.5)
+        (shorten-pair . (0.0 . -0.6))
+        (staff-padding . 1.0)
+        (stencil . ,ly:ottava-bracket::print)
+        (style . dashed-line)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                horizontal-bracket-interface
+                                line-interface
+                                ottava-bracket-interface
+                                side-position-interface
+                                text-interface))))))
 
 
     (PaperColumn
      . (
-	(allow-loose-spacing . #t)
-	(axes . (,X))
-	(before-line-breaking . ,ly:paper-column::before-line-breaking)
-	(bound-alignment-interfaces . (note-column-interface))
-	(horizontal-skylines . ,ly:separation-item::calc-skylines)
-	(keep-inside-line . #t)
-	; 0.08 comes from spacing-horizontal-skyline.ly
-	; allows double flat of F to be nestled over dots of C
-	(skyline-vertical-padding . 0.08)
-	;; (stencil . ,ly:paper-column::print)
-	(X-extent . ,ly:axis-group-interface::width)
-
-	;; debugging
-	;;		         (font-size . -6) (font-name . "sans") (Y-extent . #f)
-	(meta . ((class . Paper_column)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				font-interface
-				paper-column-interface
-				separation-item-interface
-				spaceable-grob-interface))))))
+        (allow-loose-spacing . #t)
+        (axes . (,X))
+        (before-line-breaking . ,ly:paper-column::before-line-breaking)
+        (bound-alignment-interfaces . (note-column-interface))
+        (horizontal-skylines . ,ly:separation-item::calc-skylines)
+        (keep-inside-line . #t)
+                                        ; 0.08 comes from spacing-horizontal-skyline.ly
+                                        ; allows double flat of F to be nestled over dots of C
+        (skyline-vertical-padding . 0.08)
+        ;; (stencil . ,ly:paper-column::print)
+        (X-extent . ,ly:axis-group-interface::width)
+
+        ;; debugging
+        ;;                       (font-size . -6) (font-name . "sans") (Y-extent . #f)
+        (meta . ((class . Paper_column)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                font-interface
+                                paper-column-interface
+                                separation-item-interface
+                                spaceable-grob-interface))))))
 
     (ParenthesesItem
      . (
-	(font-size . -6)
-	(padding . 0.2)
-	(stencil . ,parentheses-item::print)
-	(stencils . ,parentheses-item::calc-parenthesis-stencils)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				parentheses-interface))))))
+        (font-size . -6)
+        (padding . 0.2)
+        (stencil . ,parentheses-item::print)
+        (stencils . ,parentheses-item::calc-parenthesis-stencils)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                parentheses-interface))))))
 
     (PercentRepeat
      . (
-	(dot-negative-kern . 0.75)
-	(font-encoding . fetaMusic)
-	(slope . 1.0)
-	(spacing-pair . (break-alignment . staff-bar))
-	(springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
-	(stencil . ,ly:multi-measure-rest::percent)
-	(thickness . 0.48)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				multi-measure-rest-interface
-				percent-repeat-interface))))))
+        (dot-negative-kern . 0.75)
+        (font-encoding . fetaMusic)
+        (slope . 1.0)
+        (spacing-pair . (break-alignment . staff-bar))
+        (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
+        (stencil . ,ly:multi-measure-rest::percent)
+        (thickness . 0.48)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                multi-measure-rest-interface
+                                percent-repeat-interface))))))
 
     (PercentRepeatCounter
      . (
-	(direction . ,UP)
-	(font-encoding . fetaText)
-	(font-size . -2)
-	(padding . 0.2)
-	(self-alignment-X . ,CENTER)
-	(staff-padding . 0.25)
-	(stencil . ,ly:text-interface::print)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-centered-on-y-parent))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self)))))
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				percent-repeat-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface))))))
+        (direction . ,UP)
+        (font-encoding . fetaText)
+        (font-size . -2)
+        (padding . 0.2)
+        (self-alignment-X . ,CENTER)
+        (staff-padding . 0.25)
+        (stencil . ,ly:text-interface::print)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-centered-on-y-parent))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self)))))
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                percent-repeat-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface))))))
 
     (PhrasingSlur
      . (
-	(control-points . ,ly:slur::calc-control-points)
-	(cross-staff . ,ly:slur::calc-cross-staff)
-	(details . ,default-slur-details)
-	(direction . ,ly:slur::calc-direction)
-	(height-limit . 2.0)
-	(minimum-length . 1.5)
-	(ratio . 0.333)
-	(spanner-id . "")
-	(springs-and-rods . ,ly:spanner::set-spacing-rods)
-	(stencil . ,ly:slur::print)
-	(thickness . 1.1)
-	(vertical-skylines . ,(ly:make-unpure-pure-container ly:slur::vertical-skylines ly:grob::pure-simple-vertical-skylines-from-extents))
-	(Y-extent . ,slur::height)
-	(meta . ((class . Spanner)
-		 (interfaces . (slur-interface))))))
+        (control-points . ,ly:slur::calc-control-points)
+        (cross-staff . ,ly:slur::calc-cross-staff)
+        (details . ,default-slur-details)
+        (direction . ,ly:slur::calc-direction)
+        (height-limit . 2.0)
+        (minimum-length . 1.5)
+        (ratio . 0.333)
+        (spanner-id . "")
+        (springs-and-rods . ,ly:spanner::set-spacing-rods)
+        (stencil . ,ly:slur::print)
+        (thickness . 1.1)
+        (vertical-skylines . ,(ly:make-unpure-pure-container ly:slur::vertical-skylines ly:grob::pure-simple-vertical-skylines-from-extents))
+        (Y-extent . ,slur::height)
+        (meta . ((class . Spanner)
+                 (interfaces . (slur-interface))))))
 
     ;; an example of a text spanner
     (PianoPedalBracket
      . (
-	(bound-padding . 1.0)
-	(bracket-flare . (0.5 . 0.5))
-	(direction . ,DOWN)
-	(edge-height . (1.0 . 1.0))
-	(shorten-pair . (0.0 . 0.0))
-	(stencil . ,ly:piano-pedal-bracket::print)
-	(style . line)
-	(thickness .  1.0)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(meta . ((class . Spanner)
-		 (interfaces . (line-interface
-				piano-pedal-bracket-interface
-				piano-pedal-interface))))))
+        (bound-padding . 1.0)
+        (bracket-flare . (0.5 . 0.5))
+        (direction . ,DOWN)
+        (edge-height . (1.0 . 1.0))
+        (shorten-pair . (0.0 . 0.0))
+        (stencil . ,ly:piano-pedal-bracket::print)
+        (style . line)
+        (thickness .  1.0)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (meta . ((class . Spanner)
+                 (interfaces . (line-interface
+                                piano-pedal-bracket-interface
+                                piano-pedal-interface))))))
 
 
     (RehearsalMark
      . (
-	(after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
-	(baseline-skip . 2)
-	(break-align-symbols . (staff-bar key-signature clef))
-	(break-visibility . ,end-of-line-invisible)
-	(direction . ,UP)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(font-size . 2)
-	(non-musical . #t)
-	(outside-staff-horizontal-padding . 0.12)
-	(outside-staff-priority . 1500)
-	(padding . 0.8)
-	(self-alignment-X . ,CENTER)
-	(stencil . ,ly:text-interface::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:break-alignable-interface::self-align-callback))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self)))))
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (break-alignable-interface
-				font-interface
-				mark-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface))))))
+        (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
+        (baseline-skip . 2)
+        (break-align-symbols . (staff-bar key-signature clef))
+        (break-visibility . ,end-of-line-invisible)
+        (direction . ,UP)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (font-size . 2)
+        (non-musical . #t)
+        (outside-staff-horizontal-padding . 0.12)
+        (outside-staff-priority . 1500)
+        (padding . 0.8)
+        (self-alignment-X . ,CENTER)
+        (stencil . ,ly:text-interface::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:break-alignable-interface::self-align-callback))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self)))))
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (break-alignable-interface
+                                font-interface
+                                mark-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface))))))
 
     (RepeatSlash
      . (
-	(slash-negative-kern . 0.85)
-	(slope . 1.7)
-	(stencil . ,ly:percent-repeat-item-interface::beat-slash)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(thickness . 0.48)
-	(meta . ((class . Item)
-		 (interfaces . (percent-repeat-interface
-				percent-repeat-item-interface
-				rhythmic-grob-interface))))))
+        (slash-negative-kern . 0.85)
+        (slope . 1.7)
+        (stencil . ,ly:percent-repeat-item-interface::beat-slash)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (thickness . 0.48)
+        (meta . ((class . Item)
+                 (interfaces . (percent-repeat-interface
+                                percent-repeat-item-interface
+                                rhythmic-grob-interface))))))
 
     (RepeatTie
      . (
-	(cross-staff . ,semi-tie::calc-cross-staff)
-	(control-points . ,ly:semi-tie::calc-control-points)
-	(details . ((ratio . 0.333)
-		    (height-limit . 1.0)))
-	(direction . ,ly:tie::calc-direction)
-	(head-direction . ,RIGHT)
-	(stencil  . ,ly:tie::print)
-	(thickness . 1.0)
-	(extra-spacing-height . (-0.5 . 0.5))
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (semi-tie-interface))))))
+        (cross-staff . ,semi-tie::calc-cross-staff)
+        (control-points . ,ly:semi-tie::calc-control-points)
+        (details . ((ratio . 0.333)
+                    (height-limit . 1.0)))
+        (direction . ,ly:tie::calc-direction)
+        (head-direction . ,RIGHT)
+        (stencil  . ,ly:tie::print)
+        (thickness . 1.0)
+        (extra-spacing-height . (-0.5 . 0.5))
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (semi-tie-interface))))))
 
     (RepeatTieColumn
      . (
-	(direction . ,ly:tie::calc-direction)
-	(head-direction . ,ly:semi-tie-column::calc-head-direction)
-	(positioning-done . ,ly:semi-tie-column::calc-positioning-done)
-	(X-extent . #f)
-	(Y-extent . #f)
-	(meta . ((class . Item)
-		 (interfaces . (semi-tie-column-interface))))))
+        (direction . ,ly:tie::calc-direction)
+        (head-direction . ,ly:semi-tie-column::calc-head-direction)
+        (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
+        (X-extent . #f)
+        (Y-extent . #f)
+        (meta . ((class . Item)
+                 (interfaces . (semi-tie-column-interface))))))
 
     (Rest
      . (
-	(cross-staff . ,ly:rest::calc-cross-staff)
-	(duration-log . ,stem::calc-duration-log)
-	(minimum-distance . 0.25)
-	(stencil . ,ly:rest::print)
-	(X-extent . ,ly:rest::width)
-	(Y-extent . ,(ly:make-unpure-pure-container ly:rest::height ly:rest::pure-height))
-	(Y-offset . ,(ly:make-unpure-pure-container ly:rest::y-offset-callback))
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				rest-interface
-				rhythmic-grob-interface
-				rhythmic-head-interface
-				staff-symbol-referencer-interface))))))
+        (cross-staff . ,ly:rest::calc-cross-staff)
+        (duration-log . ,stem::calc-duration-log)
+        (minimum-distance . 0.25)
+        (stencil . ,ly:rest::print)
+        (X-extent . ,ly:rest::width)
+        (Y-extent . ,(ly:make-unpure-pure-container ly:rest::height ly:rest::pure-height))
+        (Y-offset . ,(ly:make-unpure-pure-container ly:rest::y-offset-callback))
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                rest-interface
+                                rhythmic-grob-interface
+                                rhythmic-head-interface
+                                staff-symbol-referencer-interface))))))
 
     (RestCollision
      . (
-	(minimum-distance . 0.75)
-	(positioning-done . ,ly:rest-collision::calc-positioning-done)
-	(meta . ((class . Item)
-		 (interfaces . (rest-collision-interface))))))
+        (minimum-distance . 0.75)
+        (positioning-done . ,ly:rest-collision::calc-positioning-done)
+        (meta . ((class . Item)
+                 (interfaces . (rest-collision-interface))))))
 
 
     (Script
      . (
-	(add-stem-support . #t)
-	(cross-staff . ,ly:script-interface::calc-cross-staff)
-	(direction . ,ly:script-interface::calc-direction)
-	(font-encoding . fetaMusic)
-	(positioning-done . ,ly:script-interface::calc-positioning-done)
-	(side-axis . ,Y)
-
-	;; padding set in script definitions.
-	(slur-padding . 0.2)
-	(staff-padding . 0.25)
-
-	(stencil . ,ly:script-interface::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(X-offset . ,script-interface::calc-x-offset)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				script-interface
-				side-position-interface))))))
+        (add-stem-support . #t)
+        (cross-staff . ,ly:script-interface::calc-cross-staff)
+        (direction . ,ly:script-interface::calc-direction)
+        (font-encoding . fetaMusic)
+        (positioning-done . ,ly:script-interface::calc-positioning-done)
+        (side-axis . ,Y)
+
+        ;; padding set in script definitions.
+        (slur-padding . 0.2)
+        (staff-padding . 0.25)
+
+        (stencil . ,ly:script-interface::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (X-offset . ,script-interface::calc-x-offset)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                script-interface
+                                side-position-interface))))))
 
     (ScriptColumn
      . (
-	(before-line-breaking . ,ly:script-column::before-line-breaking)
-	(meta . ((class . Item)
-		 (interfaces . (script-column-interface))))))
+        (before-line-breaking . ,ly:script-column::before-line-breaking)
+        (meta . ((class . Item)
+                 (interfaces . (script-column-interface))))))
 
     (ScriptRow
      . (
-	(before-line-breaking . ,ly:script-column::row-before-line-breaking)
-	(meta . ((class . Item)
-		 (interfaces . (script-column-interface))))))
+        (before-line-breaking . ,ly:script-column::row-before-line-breaking)
+        (meta . ((class . Item)
+                 (interfaces . (script-column-interface))))))
 
     (Slur
      . (
-	(avoid-slur . inside)
-	(control-points . ,ly:slur::calc-control-points)
-	(cross-staff . ,ly:slur::calc-cross-staff)
-	(details . ,default-slur-details)
-	(direction . ,ly:slur::calc-direction)
-	(height-limit . 2.0)
-	(line-thickness . 0.8)
-	(minimum-length . 1.5)
-	(ratio . 0.25)
-	(spanner-id . "")
-	(springs-and-rods . ,ly:spanner::set-spacing-rods)
-	(stencil . ,ly:slur::print)
-	(thickness . 1.2)
-	(vertical-skylines . ,(ly:make-unpure-pure-container ly:slur::vertical-skylines ly:grob::pure-simple-vertical-skylines-from-extents))
-	(Y-extent . ,slur::height)
-	(meta . ((class . Spanner)
-		 (interfaces . (slur-interface))))))
+        (avoid-slur . inside)
+        (control-points . ,ly:slur::calc-control-points)
+        (cross-staff . ,ly:slur::calc-cross-staff)
+        (details . ,default-slur-details)
+        (direction . ,ly:slur::calc-direction)
+        (height-limit . 2.0)
+        (line-thickness . 0.8)
+        (minimum-length . 1.5)
+        (ratio . 0.25)
+        (spanner-id . "")
+        (springs-and-rods . ,ly:spanner::set-spacing-rods)
+        (stencil . ,ly:slur::print)
+        (thickness . 1.2)
+        (vertical-skylines . ,(ly:make-unpure-pure-container ly:slur::vertical-skylines ly:grob::pure-simple-vertical-skylines-from-extents))
+        (Y-extent . ,slur::height)
+        (meta . ((class . Spanner)
+                 (interfaces . (slur-interface))))))
 
     (SostenutoPedal
      . (
-	(direction . ,RIGHT)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(font-shape . italic)
-	(padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
-	(self-alignment-X . ,CENTER)
-	(stencil . ,ly:text-interface::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				piano-pedal-script-interface
-				self-alignment-interface
-				text-interface))))))
+        (direction . ,RIGHT)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (font-shape . italic)
+        (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
+        (self-alignment-X . ,CENTER)
+        (stencil . ,ly:text-interface::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                piano-pedal-script-interface
+                                self-alignment-interface
+                                text-interface))))))
 
     (SostenutoPedalLineSpanner
      . (
-	(axes . (,Y))
-	(cross-staff . ,ly:side-position-interface::calc-cross-staff)
-	(direction . ,DOWN)
-	(minimum-space . 1.0)
-	(outside-staff-priority . 1000)
-	(padding . 1.2)
-	(side-axis . ,Y)
-	(staff-padding . 1.0)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				piano-pedal-interface
-				side-position-interface))))))
+        (axes . (,Y))
+        (cross-staff . ,ly:side-position-interface::calc-cross-staff)
+        (direction . ,DOWN)
+        (minimum-space . 1.0)
+        (outside-staff-priority . 1000)
+        (padding . 1.2)
+        (side-axis . ,Y)
+        (staff-padding . 1.0)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                piano-pedal-interface
+                                side-position-interface))))))
 
     (SpacingSpanner
      . (
-	(average-spacing-wishes . #t)
-	(base-shortest-duration . ,(ly:make-moment 3 16))
-	(common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
-	(shortest-duration-space . 2.0)
-	(spacing-increment . 1.2)
-	(springs-and-rods . ,ly:spacing-spanner::set-springs)
-	(meta . ((class . Spanner)
-		 (interfaces . (spacing-options-interface
-				spacing-spanner-interface))))))
+        (average-spacing-wishes . #t)
+        (base-shortest-duration . ,(ly:make-moment 3 16))
+        (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
+        (shortest-duration-space . 2.0)
+        (spacing-increment . 1.2)
+        (springs-and-rods . ,ly:spacing-spanner::set-springs)
+        (meta . ((class . Spanner)
+                 (interfaces . (spacing-options-interface
+                                spacing-spanner-interface))))))
 
     (SpanBar
      . (
-	(allow-span-bar . #t)
-	(bar-extent . ,axis-group-interface::height)
-	(before-line-breaking . ,ly:span-bar::before-line-breaking)
-	(break-align-symbol . staff-bar)
-	(cross-staff . #t)
-	(glyph-name . ,ly:span-bar::calc-glyph-name)
-	(layer . 0)
-	(non-musical . #t)
-	(stencil . ,ly:span-bar::print)
-	(X-extent . ,ly:span-bar::width)
-	(Y-extent . (+inf.0 . -inf.0))
-	(meta . ((class . Item)
-		 (interfaces . (bar-line-interface
-				font-interface
-				span-bar-interface))))))
+        (allow-span-bar . #t)
+        (bar-extent . ,axis-group-interface::height)
+        (before-line-breaking . ,ly:span-bar::before-line-breaking)
+        (break-align-symbol . staff-bar)
+        (cross-staff . #t)
+        (glyph-name . ,ly:span-bar::calc-glyph-name)
+        (layer . 0)
+        (non-musical . #t)
+        (stencil . ,ly:span-bar::print)
+        (X-extent . ,ly:span-bar::width)
+        (Y-extent . (+inf.0 . -inf.0))
+        (meta . ((class . Item)
+                 (interfaces . (bar-line-interface
+                                font-interface
+                                span-bar-interface))))))
 
     (SpanBarStub
      . (
         (X-extent . ,(grob::inherit-parent-property
                       X 'X-extent))
-	(extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height)
-	; we want this to be ignored, so empty, but the extra spacing height
-	; should preserve the span bar's presence for horizontal spacing
-	(Y-extent . ,pure-from-neighbor-interface::height-if-pure)
-	(meta . ((class . Item)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (pure-from-neighbor-interface))))))
+        (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height)
+                                        ; we want this to be ignored, so empty, but the extra spacing height
+                                        ; should preserve the span bar's presence for horizontal spacing
+        (Y-extent . ,pure-from-neighbor-interface::height-if-pure)
+        (meta . ((class . Item)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (pure-from-neighbor-interface))))))
 
     (StaffGrouper
      . (
-	(staff-staff-spacing . ((basic-distance . 9)
-				(minimum-distance . 7)
-				(padding . 1)
+        (staff-staff-spacing . ((basic-distance . 9)
+                                (minimum-distance . 7)
+                                (padding . 1)
                                 (stretchability . 5)))
-	(staffgroup-staff-spacing . ((basic-distance . 10.5)
-				     (minimum-distance . 8)
-				     (padding . 1)
+        (staffgroup-staff-spacing . ((basic-distance . 10.5)
+                                     (minimum-distance . 8)
+                                     (padding . 1)
                                      (stretchability . 9)))
-	(meta . ((class . Spanner)
-		 (interfaces . (staff-grouper-interface))))))
+        (meta . ((class . Spanner)
+                 (interfaces . (staff-grouper-interface))))))
 
     (StaffSpacing
      . (
-	(non-musical . #t)
-	(stem-spacing-correction . 0.4)
-	(meta . ((class . Item)
-		 (interfaces . (spacing-interface
-				staff-spacing-interface))))))
+        (non-musical . #t)
+        (stem-spacing-correction . 0.4)
+        (meta . ((class . Item)
+                 (interfaces . (spacing-interface
+                                staff-spacing-interface))))))
 
     (StaffSymbol
      . (
-	(layer . 0)
-	(ledger-line-thickness . (1.0 . 0.1))
-	(line-count . 5)
-	(stencil . ,ly:staff-symbol::print)
-	(Y-extent . ,(ly:make-unpure-pure-container ly:staff-symbol::height))
-	(meta . ((class . Spanner)
-		 (interfaces . (staff-symbol-interface))))))
+        (layer . 0)
+        (ledger-line-thickness . (1.0 . 0.1))
+        (line-count . 5)
+        (stencil . ,ly:staff-symbol::print)
+        (Y-extent . ,(ly:make-unpure-pure-container ly:staff-symbol::height))
+        (meta . ((class . Spanner)
+                 (interfaces . (staff-symbol-interface))))))
 
     (StanzaNumber
      . (
-	(direction . ,LEFT)
-	(font-series . bold)
-	(padding . 1.0)
-	(side-axis . ,X)
-	(stencil . ,ly:text-interface::print)
-	(X-offset . ,ly:side-position-interface::x-aligned-side)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				side-position-interface
-				stanza-number-interface
-				text-interface))))))
+        (direction . ,LEFT)
+        (font-series . bold)
+        (padding . 1.0)
+        (side-axis . ,X)
+        (stencil . ,ly:text-interface::print)
+        (X-offset . ,ly:side-position-interface::x-aligned-side)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                side-position-interface
+                                stanza-number-interface
+                                text-interface))))))
 
     (Stem
      . (
-	(beamlet-default-length . (1.1 . 1.1))
-	(beamlet-max-length-proportion . (0.75 . 0.75))
-	(cross-staff . ,ly:stem::calc-cross-staff)
-	(default-direction . ,ly:stem::calc-default-direction)
-	(details
-	 . (
-	    ;; 3.5 (or 3 measured from note head) is standard length
-	    ;; 32nd, 64th, 128th flagged stems should be longer
-	    (lengths . (3.5 3.5 3.5 4.25 5.0 6.0))
+        (beamlet-default-length . (1.1 . 1.1))
+        (beamlet-max-length-proportion . (0.75 . 0.75))
+        (cross-staff . ,ly:stem::calc-cross-staff)
+        (default-direction . ,ly:stem::calc-default-direction)
+        (details
+         . (
+            ;; 3.5 (or 3 measured from note head) is standard length
+            ;; 32nd, 64th, 128th flagged stems should be longer
+            (lengths . (3.5 3.5 3.5 4.25 5.0 6.0))
 
-	    ;; FIXME.  3.5 yields too long beams (according to Ross and
-	    ;; looking at Baerenreiter examples) for a number of common
-	    ;; boundary cases.  Subtracting half a beam thickness fixes
-	    ;; this, but the bug may well be somewhere else.
+            ;; FIXME.  3.5 yields too long beams (according to Ross and
+            ;; looking at Baerenreiter examples) for a number of common
+            ;; boundary cases.  Subtracting half a beam thickness fixes
+            ;; this, but the bug may well be somewhere else.
 
-	    ;; FIXME this should come from 'lengths
-	    (beamed-lengths . (3.26 3.5 3.6))
+            ;; FIXME this should come from 'lengths
+            (beamed-lengths . (3.26 3.5 3.6))
 
-	    ;; The 'normal' minima
-	    (beamed-minimum-free-lengths . (1.83 1.5 1.25))
-					;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
+            ;; The 'normal' minima
+            (beamed-minimum-free-lengths . (1.83 1.5 1.25))
+                                        ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
 
-	    ;; The 'extreme case' minima
-	    (beamed-extreme-minimum-free-lengths . (2.0 1.25))
+            ;; The 'extreme case' minima
+            (beamed-extreme-minimum-free-lengths . (2.0 1.25))
 
-	    ;; Stems in unnatural (forced) direction should be shortened by
-	    ;; one staff space, according to [Roush & Gourlay].
-	    ;; Flagged stems we shorten only half a staff space.
-	    (stem-shorten . (1.0 0.5))
+            ;; Stems in unnatural (forced) direction should be shortened by
+            ;; one staff space, according to [Roush & Gourlay].
+            ;; Flagged stems we shorten only half a staff space.
+            (stem-shorten . (1.0 0.5))
 
-	    ))
+            ))
 
-	;; We use the normal minima as minimum for the ideal lengths,
-	;; and the extreme minima as abolute minimum length.
+        ;; We use the normal minima as minimum for the ideal lengths,
+        ;; and the extreme minima as abolute minimum length.
 
-	(direction . ,ly:stem::calc-direction)
-	(duration-log . ,stem::calc-duration-log)
+        (direction . ,ly:stem::calc-direction)
+        (duration-log . ,stem::calc-duration-log)
         (length . ,(ly:make-unpure-pure-container ly:stem::calc-length ly:stem::pure-calc-length))
-	(neutral-direction . ,DOWN)
-	(positioning-done . ,ly:stem::calc-positioning-done)
-	(stem-info . ,ly:stem::calc-stem-info)
-	(stem-begin-position . ,(ly:make-unpure-pure-container ly:stem::calc-stem-begin-position ly:stem::pure-calc-stem-begin-position))
-	(stencil . ,ly:stem::print)
-	(thickness . 1.3)
-	(X-extent . ,ly:stem::width)
-	(X-offset . ,ly:stem::offset-callback)
-	(Y-extent . ,(ly:make-unpure-pure-container ly:stem::height ly:stem::pure-height))
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(meta . ((class . Item)
-		 (interfaces . (stem-interface))))))
+        (neutral-direction . ,DOWN)
+        (positioning-done . ,ly:stem::calc-positioning-done)
+        (stem-info . ,ly:stem::calc-stem-info)
+        (stem-begin-position . ,(ly:make-unpure-pure-container ly:stem::calc-stem-begin-position ly:stem::pure-calc-stem-begin-position))
+        (stencil . ,ly:stem::print)
+        (thickness . 1.3)
+        (X-extent . ,ly:stem::width)
+        (X-offset . ,ly:stem::offset-callback)
+        (Y-extent . ,(ly:make-unpure-pure-container ly:stem::height ly:stem::pure-height))
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (meta . ((class . Item)
+                 (interfaces . (stem-interface))))))
 
     (StemStub
      . (
         (X-extent . ,stem-stub::width)
-	(extra-spacing-height . ,stem-stub::extra-spacing-height)
-	(Y-extent . ,(ly:make-unpure-pure-container #f stem-stub::pure-height))
-	(meta . ((class . Item)
-		 (interfaces . ())))))
+        (extra-spacing-height . ,stem-stub::extra-spacing-height)
+        (Y-extent . ,(ly:make-unpure-pure-container #f stem-stub::pure-height))
+        (meta . ((class . Item)
+                 (interfaces . ())))))
 
     (StemTremolo
      . (
-	(beam-thickness . 0.48) ; staff-space
-	(beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
-	(direction . ,ly:stem-tremolo::calc-direction)
-	(slope . ,ly:stem-tremolo::calc-slope)
-	(stencil . ,ly:stem-tremolo::print)
-	(style . ,ly:stem-tremolo::calc-style)
-	(X-extent . ,ly:stem-tremolo::width)
-	(Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:stem-tremolo::pure-height))
-	(X-offset . ,(ly:make-simple-closure
-		      `(,+
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::centered-on-x-parent))
-			,(ly:make-simple-closure
-			  (list ly:self-alignment-interface::x-aligned-on-self)))))
+        (beam-thickness . 0.48) ; staff-space
+        (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
+        (direction . ,ly:stem-tremolo::calc-direction)
+        (slope . ,ly:stem-tremolo::calc-slope)
+        (stencil . ,ly:stem-tremolo::print)
+        (style . ,ly:stem-tremolo::calc-style)
+        (X-extent . ,ly:stem-tremolo::width)
+        (Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:stem-tremolo::pure-height))
+        (X-offset . ,(ly:make-simple-closure
+                      `(,+
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::centered-on-x-parent))
+                        ,(ly:make-simple-closure
+                          (list ly:self-alignment-interface::x-aligned-on-self)))))
         (Y-offset . ,(ly:make-unpure-pure-container ly:stem-tremolo::calc-y-offset ly:stem-tremolo::pure-calc-y-offset))
-	(meta . ((class . Item)
-		 (interfaces . (self-alignment-interface
+        (meta . ((class . Item)
+                 (interfaces . (self-alignment-interface
                                 stem-tremolo-interface))))))
 
     (StringNumber
      . (
-	(avoid-slur . around)
-	(cross-staff . ,script-or-side-position-cross-staff)
-	(font-encoding . fetaText)
-	(font-size . -5) 		; don't overlap when next to heads.
-	(padding . 0.5)
-	(script-priority . 100)
-	(self-alignment-X . ,CENTER)
-	(self-alignment-Y . ,CENTER)
-	(staff-padding . 0.5)
-	(stencil . ,print-circled-text-callback)
-	(text . ,string-number::calc-text)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				self-alignment-interface
-				side-position-interface
-				string-number-interface
-				text-interface
-				text-script-interface))))))
+        (avoid-slur . around)
+        (cross-staff . ,script-or-side-position-cross-staff)
+        (font-encoding . fetaText)
+        (font-size . -5)                ; don't overlap when next to heads.
+        (padding . 0.5)
+        (script-priority . 100)
+        (self-alignment-X . ,CENTER)
+        (self-alignment-Y . ,CENTER)
+        (staff-padding . 0.5)
+        (stencil . ,print-circled-text-callback)
+        (text . ,string-number::calc-text)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                self-alignment-interface
+                                side-position-interface
+                                string-number-interface
+                                text-interface
+                                text-script-interface))))))
 
     (StrokeFinger
      . (
-	(digit-names . #("p" "i" "m" "a" "x"))
-	(font-shape . italic)
-	(font-size . -4) 		; don't overlap when next to heads.
-	(padding . 0.5)
-	(script-priority . 100)
-	(self-alignment-X . ,CENTER)
-	(self-alignment-Y . ,CENTER)
-	(staff-padding . 0.5)
-	(stencil . ,ly:text-interface::print)
-	(text . ,stroke-finger::calc-text)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				self-alignment-interface
-				side-position-interface
-				stroke-finger-interface
-				text-interface
-				text-script-interface))))))
+        (digit-names . #("p" "i" "m" "a" "x"))
+        (font-shape . italic)
+        (font-size . -4)                ; don't overlap when next to heads.
+        (padding . 0.5)
+        (script-priority . 100)
+        (self-alignment-X . ,CENTER)
+        (self-alignment-Y . ,CENTER)
+        (staff-padding . 0.5)
+        (stencil . ,ly:text-interface::print)
+        (text . ,stroke-finger::calc-text)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                self-alignment-interface
+                                side-position-interface
+                                stroke-finger-interface
+                                text-interface
+                                text-script-interface))))))
 
     (SustainPedal
      . (
-	(direction . ,RIGHT)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(padding . 0.0)  ;; padding relative to SustainPedalLineSpanner
-	(self-alignment-X . ,CENTER)
-	(stencil . ,ly:sustain-pedal::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				piano-pedal-interface
-				piano-pedal-script-interface
-				self-alignment-interface
-				text-interface))))))
+        (direction . ,RIGHT)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (padding . 0.0)  ;; padding relative to SustainPedalLineSpanner
+        (self-alignment-X . ,CENTER)
+        (stencil . ,ly:sustain-pedal::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                piano-pedal-interface
+                                piano-pedal-script-interface
+                                self-alignment-interface
+                                text-interface))))))
 
     (SustainPedalLineSpanner
      . (
-	(axes . (,Y))
-	(cross-staff . ,ly:side-position-interface::calc-cross-staff)
-	(direction . ,DOWN)
-	(minimum-space . 1.0)
-	(outside-staff-priority . 1000)
-	(padding . 1.2)
-	(side-axis . ,Y)
-	(staff-padding . 1.2)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				piano-pedal-interface
-				side-position-interface))))))
+        (axes . (,Y))
+        (cross-staff . ,ly:side-position-interface::calc-cross-staff)
+        (direction . ,DOWN)
+        (minimum-space . 1.0)
+        (outside-staff-priority . 1000)
+        (padding . 1.2)
+        (side-axis . ,Y)
+        (staff-padding . 1.2)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                piano-pedal-interface
+                                side-position-interface))))))
 
     (System
      . (
-	(adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
-	(axes . (,X ,Y))
-	(outside-staff-placement-directive . left-to-right-polite)
-	(skyline-horizontal-padding . 1.0)
-	(vertical-skylines . ,ly:axis-group-interface::calc-skylines)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,(ly:make-unpure-pure-container ly:system::height ly:system::calc-pure-height))
-	(meta . ((class . System)
-		 (object-callbacks . ((footnotes-before-line-breaking . ,ly:system::footnotes-before-line-breaking)
-				      (footnotes-after-line-breaking . ,ly:system::footnotes-after-line-breaking)
-				      (pure-relevant-grobs . ,ly:system::calc-pure-relevant-grobs)
-				      (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (vertical-skyline-elements . ,ly:system::vertical-skyline-elements)
+        (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
+        (axes . (,X ,Y))
+        (outside-staff-placement-directive . left-to-right-polite)
+        (skyline-horizontal-padding . 1.0)
+        (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,(ly:make-unpure-pure-container ly:system::height ly:system::calc-pure-height))
+        (meta . ((class . System)
+                 (object-callbacks . ((footnotes-before-line-breaking . ,ly:system::footnotes-before-line-breaking)
+                                      (footnotes-after-line-breaking . ,ly:system::footnotes-after-line-breaking)
+                                      (pure-relevant-grobs . ,ly:system::calc-pure-relevant-grobs)
+                                      (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (vertical-skyline-elements . ,ly:system::vertical-skyline-elements)
                                       (vertical-alignment . ,ly:system::get-vertical-alignment)))
-		 (interfaces . (axis-group-interface
-				system-interface))))))
+                 (interfaces . (axis-group-interface
+                                system-interface))))))
 
     (SystemStartBar
      . (
-	(collapse-height . 5.0)
-	(direction . ,LEFT)
-
-	(cross-staff . #t)
-	;; ugh--hardcoded.
-	(padding . -0.1)  ;; bar must cover rounded ending of staff line.
-	(stencil . ,ly:system-start-delimiter::print)
-	(style . bar-line)
-	(thickness . 1.6)
-	(X-offset . ,ly:side-position-interface::x-aligned-side)
-	(Y-extent . #f)
-	(meta . ((class . Spanner)
-		 (interfaces . (side-position-interface
-				system-start-delimiter-interface))))))
+        (collapse-height . 5.0)
+        (direction . ,LEFT)
+
+        (cross-staff . #t)
+        ;; ugh--hardcoded.
+        (padding . -0.1)  ;; bar must cover rounded ending of staff line.
+        (stencil . ,ly:system-start-delimiter::print)
+        (style . bar-line)
+        (thickness . 1.6)
+        (X-offset . ,ly:side-position-interface::x-aligned-side)
+        (Y-extent . #f)
+        (meta . ((class . Spanner)
+                 (interfaces . (side-position-interface
+                                system-start-delimiter-interface))))))
 
     (SystemStartBrace
      . (
-	(collapse-height . 5.0)
-	(direction . ,LEFT)
-	(font-encoding . fetaBraces)
-	(cross-staff . #t)
-	(padding . 0.3)
-	(stencil . ,ly:system-start-delimiter::print)
-	(style . brace)
-	(X-offset . ,ly:side-position-interface::x-aligned-side)
-	(Y-extent . #f)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				side-position-interface
-				system-start-delimiter-interface))))))
+        (collapse-height . 5.0)
+        (direction . ,LEFT)
+        (font-encoding . fetaBraces)
+        (cross-staff . #t)
+        (padding . 0.3)
+        (stencil . ,ly:system-start-delimiter::print)
+        (style . brace)
+        (X-offset . ,ly:side-position-interface::x-aligned-side)
+        (Y-extent . #f)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                side-position-interface
+                                system-start-delimiter-interface))))))
 
     (SystemStartBracket
      . (
-	(collapse-height . 5.0)
-	(direction . ,LEFT)
-	(cross-staff . #t)
-	(padding . 0.8)
-	(stencil . ,ly:system-start-delimiter::print)
-	(style . bracket)
-	(thickness . 0.45)
-	(X-offset . ,ly:side-position-interface::x-aligned-side)
-	(Y-extent . #f)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				side-position-interface
-				system-start-delimiter-interface))))))
+        (collapse-height . 5.0)
+        (direction . ,LEFT)
+        (cross-staff . #t)
+        (padding . 0.8)
+        (stencil . ,ly:system-start-delimiter::print)
+        (style . bracket)
+        (thickness . 0.45)
+        (X-offset . ,ly:side-position-interface::x-aligned-side)
+        (Y-extent . #f)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                side-position-interface
+                                system-start-delimiter-interface))))))
 
     (SystemStartSquare
      . (
-	(direction . ,LEFT)
-	(cross-staff . #t)
-	(stencil . ,ly:system-start-delimiter::print)
-	(style . line-bracket)
-	(thickness . 1.0)
-	(X-offset . ,ly:side-position-interface::x-aligned-side)
-	(Y-extent . #f)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				side-position-interface
-				system-start-delimiter-interface))))))
+        (direction . ,LEFT)
+        (cross-staff . #t)
+        (stencil . ,ly:system-start-delimiter::print)
+        (style . line-bracket)
+        (thickness . 1.0)
+        (X-offset . ,ly:side-position-interface::x-aligned-side)
+        (Y-extent . #f)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                side-position-interface
+                                system-start-delimiter-interface))))))
 
 
     (TabNoteHead
      . (
-	(details . ((cautionary-properties . ((angularity . 0.4)
-					      (half-thickness . 0.075)
-					      (padding . 0)
-					      (procedure . ,parenthesize-stencil)
-					      (width . 0.25)))
-		    (head-offset . 3/5)
-		    (harmonic-properties . ((angularity . 2)
-					    (half-thickness . 0.075)
-					    (padding . 0)
-					    (procedure . ,parenthesize-stencil)
-					    (width . 0.25)))
-		    (repeat-tied-properties . ((note-head-visible . #t)
-					       (parenthesize . #t)))
-		    (tied-properties . ((break-visibility . ,begin-of-line-visible)
-					(parenthesize . #t)))))
-
-	(direction . ,CENTER)
-	(duration-log . ,note-head::calc-duration-log)
-	(font-series . bold)
-	(font-size . -2)
-	(stem-attachment . (0.0 . 1.35))
-	(stencil . ,tab-note-head::print)
-	(whiteout . #t)
-	(X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces  . (font-interface
-				 note-head-interface
-				 rhythmic-grob-interface
-				 rhythmic-head-interface
-				 staff-symbol-referencer-interface
-				 tab-note-head-interface
-				 text-interface))))))
+        (details . ((cautionary-properties . ((angularity . 0.4)
+                                              (half-thickness . 0.075)
+                                              (padding . 0)
+                                              (procedure . ,parenthesize-stencil)
+                                              (width . 0.25)))
+                    (head-offset . 3/5)
+                    (harmonic-properties . ((angularity . 2)
+                                            (half-thickness . 0.075)
+                                            (padding . 0)
+                                            (procedure . ,parenthesize-stencil)
+                                            (width . 0.25)))
+                    (repeat-tied-properties . ((note-head-visible . #t)
+                                               (parenthesize . #t)))
+                    (tied-properties . ((break-visibility . ,begin-of-line-visible)
+                                        (parenthesize . #t)))))
+
+        (direction . ,CENTER)
+        (duration-log . ,note-head::calc-duration-log)
+        (font-series . bold)
+        (font-size . -2)
+        (stem-attachment . (0.0 . 1.35))
+        (stencil . ,tab-note-head::print)
+        (whiteout . #t)
+        (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces  . (font-interface
+                                 note-head-interface
+                                 rhythmic-grob-interface
+                                 rhythmic-head-interface
+                                 staff-symbol-referencer-interface
+                                 tab-note-head-interface
+                                 text-interface))))))
 
     (TextScript
      . (
-	(avoid-slur . around)
-	(cross-staff . ,script-or-side-position-cross-staff)
-	(direction . ,DOWN)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(outside-staff-horizontal-padding . 0.12)
-	(outside-staff-priority . 450)
-
-	;; sync with Fingering ?
-	(padding . 0.3)
-
-	(script-priority . 200)
-	(side-axis . ,Y)
-	(slur-padding . 0.5)
-	(staff-padding . 0.5)
-	(stencil . ,ly:text-interface::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	;; todo: add X self alignment?
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				instrument-specific-markup-interface
-				self-alignment-interface
-				side-position-interface
-				text-interface
-				text-script-interface))))))
+        (avoid-slur . around)
+        (cross-staff . ,script-or-side-position-cross-staff)
+        (direction . ,DOWN)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (outside-staff-horizontal-padding . 0.12)
+        (outside-staff-priority . 450)
+
+        ;; sync with Fingering ?
+        (padding . 0.3)
+
+        (script-priority . 200)
+        (side-axis . ,Y)
+        (slur-padding . 0.5)
+        (staff-padding . 0.5)
+        (stencil . ,ly:text-interface::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        ;; todo: add X self alignment?
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                instrument-specific-markup-interface
+                                self-alignment-interface
+                                side-position-interface
+                                text-interface
+                                text-script-interface))))))
 
     (TextSpanner
      . (
-	(bound-details . ((left . ((Y . 0)
-				   (padding . 0.25)
-				   (attach-dir . ,LEFT)
-				   ))
-			  (left-broken . ((attach-dir . ,RIGHT)))
-			  (right . ((Y . 0)
-				    (padding . 0.25)
-				    ))
-			  ))
-	(dash-fraction . 0.2)
-	(dash-period . 3.0)
-	(direction . ,UP)
-	(font-shape . italic)
-	(left-bound-info . ,ly:line-spanner::calc-left-bound-info)
-	(outside-staff-priority . 350)
-	(right-bound-info . ,ly:line-spanner::calc-right-bound-info)
-	(side-axis . ,Y)
-	(staff-padding . 0.8)
-	(stencil . ,ly:line-spanner::print)
-	(style . dashed-line)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				line-interface
-				line-spanner-interface
-				side-position-interface))))))
+        (bound-details . ((left . ((Y . 0)
+                                   (padding . 0.25)
+                                   (attach-dir . ,LEFT)
+                                   ))
+                          (left-broken . ((attach-dir . ,RIGHT)))
+                          (right . ((Y . 0)
+                                    (padding . 0.25)
+                                    ))
+                          ))
+        (dash-fraction . 0.2)
+        (dash-period . 3.0)
+        (direction . ,UP)
+        (font-shape . italic)
+        (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
+        (outside-staff-priority . 350)
+        (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
+        (side-axis . ,Y)
+        (staff-padding . 0.8)
+        (stencil . ,ly:line-spanner::print)
+        (style . dashed-line)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                line-interface
+                                line-spanner-interface
+                                side-position-interface))))))
 
     (Tie
      . (
-	(avoid-slur . inside)
-	(control-points . ,ly:tie::calc-control-points)
-	(details . (
-		    ;; for a full list, see tie-details.cc
-		    (ratio . 0.333)
-		    (center-staff-line-clearance . 0.6)
-		    (tip-staff-line-clearance . 0.45)
-		    (note-head-gap . 0.2)
-		    (stem-gap . 0.35)
-		    (height-limit . 1.0)
-		    (horizontal-distance-penalty-factor . 10)
-		    (same-dir-as-stem-penalty . 8)
-		    (min-length-penalty-factor . 26)
-		    (tie-tie-collision-distance . 0.45)
-		    (tie-tie-collision-penalty . 25.0)
-		    (intra-space-threshold . 1.25)
-		    (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
-		    (outer-tie-length-symmetry-penalty-factor . 10)
-		    (vertical-distance-penalty-factor . 7)
-		    (outer-tie-vertical-gap . 0.25)
-		    (multi-tie-region-size . 3)
-		    (single-tie-region-size . 4)
-		    (between-length-limit . 1.0)))
-
-	(direction . ,ly:tie::calc-direction)
-	(font-size . -6)
-	(line-thickness . 0.8)
-	(neutral-direction . ,UP)
-	(springs-and-rods . ,ly:spanner::set-spacing-rods)
-	(stencil . ,ly:tie::print)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(thickness . 1.2)
-	(meta . ((class . Spanner)
-		 (interfaces . (tie-interface))))))
+        (avoid-slur . inside)
+        (control-points . ,ly:tie::calc-control-points)
+        (details . (
+                    ;; for a full list, see tie-details.cc
+                    (ratio . 0.333)
+                    (center-staff-line-clearance . 0.6)
+                    (tip-staff-line-clearance . 0.45)
+                    (note-head-gap . 0.2)
+                    (stem-gap . 0.35)
+                    (height-limit . 1.0)
+                    (horizontal-distance-penalty-factor . 10)
+                    (same-dir-as-stem-penalty . 8)
+                    (min-length-penalty-factor . 26)
+                    (tie-tie-collision-distance . 0.45)
+                    (tie-tie-collision-penalty . 25.0)
+                    (intra-space-threshold . 1.25)
+                    (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
+                    (outer-tie-length-symmetry-penalty-factor . 10)
+                    (vertical-distance-penalty-factor . 7)
+                    (outer-tie-vertical-gap . 0.25)
+                    (multi-tie-region-size . 3)
+                    (single-tie-region-size . 4)
+                    (between-length-limit . 1.0)))
+
+        (direction . ,ly:tie::calc-direction)
+        (font-size . -6)
+        (line-thickness . 0.8)
+        (neutral-direction . ,UP)
+        (springs-and-rods . ,ly:spanner::set-spacing-rods)
+        (stencil . ,ly:tie::print)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (thickness . 1.2)
+        (meta . ((class . Spanner)
+                 (interfaces . (tie-interface))))))
 
     (TieColumn
      . (
-	(before-line-breaking . ,ly:tie-column::before-line-breaking)
-	(positioning-done . ,ly:tie-column::calc-positioning-done)
-	(X-extent . #f)
-	(Y-extent . #f)
-	(meta . ((class . Spanner)
-		 (interfaces . (tie-column-interface))))))
+        (before-line-breaking . ,ly:tie-column::before-line-breaking)
+        (positioning-done . ,ly:tie-column::calc-positioning-done)
+        (X-extent . #f)
+        (Y-extent . #f)
+        (meta . ((class . Spanner)
+                 (interfaces . (tie-column-interface))))))
 
     (TimeSignature
      . (
-	(avoid-slur . inside)
-	(break-align-anchor
-	 . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
-	(break-align-symbol . time-signature)
-	(break-align-anchor-alignment . ,LEFT)
-	(break-visibility . ,all-visible)
-	(extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
-	(extra-spacing-width . (0.0 . 0.8))
-	(non-musical . #t)
-	(space-alist . (
-			(cue-clef . (extra-space . 1.5))
-			(first-note . (fixed-space . 2.0))
-			(right-edge . (extra-space . 0.5))
-			(staff-bar . (extra-space . 1.0))))
-	(stencil . ,ly:time-signature::print)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(style . C)
-	(meta . ((class . Item)
+        (avoid-slur . inside)
+        (break-align-anchor
+         . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
+        (break-align-symbol . time-signature)
+        (break-align-anchor-alignment . ,LEFT)
+        (break-visibility . ,all-visible)
+        (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
+        (extra-spacing-width . (0.0 . 0.8))
+        (non-musical . #t)
+        (space-alist . (
+                        (cue-clef . (extra-space . 1.5))
+                        (first-note . (fixed-space . 2.0))
+                        (right-edge . (extra-space . 0.5))
+                        (staff-bar . (extra-space . 1.0))))
+        (stencil . ,ly:time-signature::print)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (style . C)
+        (meta . ((class . Item)
                  (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
                                       (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (break-aligned-interface
-				font-interface
-				pure-from-neighbor-interface
-				time-signature-interface))))))
+                 (interfaces . (break-aligned-interface
+                                font-interface
+                                pure-from-neighbor-interface
+                                time-signature-interface))))))
 
     (TrillPitchAccidental
      . (
-	(direction . ,LEFT)
-	(font-size . -4)
-	(glyph-name-alist . ,standard-alteration-glyph-name-alist)
-	(padding . 0.2)
-	(side-axis . ,X)
-	(stencil . ,ly:accidental-interface::print)
-	(X-offset . ,ly:side-position-interface::x-aligned-side)
-	(Y-extent . ,accidental-interface::height)
-	(meta . ((class . Item)
-		 (interfaces . (accidental-interface
-				font-interface
-				inline-accidental-interface
-				side-position-interface
-				trill-pitch-accidental-interface))))))
+        (direction . ,LEFT)
+        (font-size . -4)
+        (glyph-name-alist . ,standard-alteration-glyph-name-alist)
+        (padding . 0.2)
+        (side-axis . ,X)
+        (stencil . ,ly:accidental-interface::print)
+        (X-offset . ,ly:side-position-interface::x-aligned-side)
+        (Y-extent . ,accidental-interface::height)
+        (meta . ((class . Item)
+                 (interfaces . (accidental-interface
+                                font-interface
+                                inline-accidental-interface
+                                side-position-interface
+                                trill-pitch-accidental-interface))))))
 
     (TrillPitchGroup
      . (
-	(axes . (,X))
-	(direction . ,RIGHT)
-	(font-size . -4)
-	(padding . 0.3)
-	(side-axis . ,X)
-	(stencil . ,parenthesize-elements)
-	(stencils . ,parentheses-item::calc-parenthesis-stencils)
-	(X-offset . ,ly:side-position-interface::x-aligned-side)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (axis-group-interface
-				font-interface
-				note-head-interface
-				parentheses-interface
-				side-position-interface))))))
+        (axes . (,X))
+        (direction . ,RIGHT)
+        (font-size . -4)
+        (padding . 0.3)
+        (side-axis . ,X)
+        (stencil . ,parenthesize-elements)
+        (stencils . ,parentheses-item::calc-parenthesis-stencils)
+        (X-offset . ,ly:side-position-interface::x-aligned-side)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (axis-group-interface
+                                font-interface
+                                note-head-interface
+                                parentheses-interface
+                                side-position-interface))))))
 
     (TrillPitchHead
      . (
-	(duration-log . 2)
-	(font-size . -4)
-	(stencil . ,ly:note-head::print)
-	(Y-offset . ,staff-symbol-referencer::callback)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				ledgered-interface
-				pitched-trill-interface
-				rhythmic-head-interface
-				staff-symbol-referencer-interface))))))
+        (duration-log . 2)
+        (font-size . -4)
+        (stencil . ,ly:note-head::print)
+        (Y-offset . ,staff-symbol-referencer::callback)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                ledgered-interface
+                                pitched-trill-interface
+                                rhythmic-head-interface
+                                staff-symbol-referencer-interface))))))
 
     (TrillSpanner
      . (
-	(after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
-	(bound-details . ((left . ((text . ,(make-musicglyph-markup "scripts.trill"))
-				   (Y . 0)
-				   (stencil-offset . (-0.5 . -1))
-				   (padding . 0.5)
-				   (attach-dir . ,CENTER)
-				   ))
-			  (left-broken . ((end-on-note . #t)))
-			  (right . ((Y . 0)))
-			  ))
-	(direction . ,UP)
-	(left-bound-info . ,ly:line-spanner::calc-left-bound-info)
-	(outside-staff-priority . 50)
-	(padding . 0.5)
-	(right-bound-info . ,ly:line-spanner::calc-right-bound-info)
-	(side-axis . ,Y)
-	(staff-padding . 1.0)
-	(stencil . ,ly:line-spanner::print)
-	(style . trill)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				line-interface
-				line-spanner-interface
-				side-position-interface
-				trill-spanner-interface))))))
+        (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
+        (bound-details . ((left . ((text . ,(make-musicglyph-markup "scripts.trill"))
+                                   (Y . 0)
+                                   (stencil-offset . (-0.5 . -1))
+                                   (padding . 0.5)
+                                   (attach-dir . ,CENTER)
+                                   ))
+                          (left-broken . ((end-on-note . #t)))
+                          (right . ((Y . 0)))
+                          ))
+        (direction . ,UP)
+        (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
+        (outside-staff-priority . 50)
+        (padding . 0.5)
+        (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
+        (side-axis . ,Y)
+        (staff-padding . 1.0)
+        (stencil . ,ly:line-spanner::print)
+        (style . trill)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                line-interface
+                                line-spanner-interface
+                                side-position-interface
+                                trill-spanner-interface))))))
 
     (TupletBracket
      . (
-	(avoid-scripts . #t)
-	(connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
-	(cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
-	(direction  . ,ly:tuplet-bracket::calc-direction)
-	(edge-height . (0.7 . 0.7))
-	(full-length-to-extent . #t)
-	(padding . 1.1)
-	(positions . ,ly:tuplet-bracket::calc-positions)
-	(shorten-pair . (-0.2 . -0.2))
-	(staff-padding . 0.25)
-	(stencil . ,ly:tuplet-bracket::print)
-	(thickness . 1.6)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(X-positions . ,ly:tuplet-bracket::calc-x-positions)
-
-	(meta . ((class . Spanner)
-		 (interfaces . (line-interface
-				tuplet-bracket-interface))))))
+        (avoid-scripts . #t)
+        (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
+        (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
+        (direction  . ,ly:tuplet-bracket::calc-direction)
+        (edge-height . (0.7 . 0.7))
+        (full-length-to-extent . #t)
+        (padding . 1.1)
+        (positions . ,ly:tuplet-bracket::calc-positions)
+        (shorten-pair . (-0.2 . -0.2))
+        (staff-padding . 0.25)
+        (stencil . ,ly:tuplet-bracket::print)
+        (thickness . 1.6)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (X-positions . ,ly:tuplet-bracket::calc-x-positions)
+
+        (meta . ((class . Spanner)
+                 (interfaces . (line-interface
+                                tuplet-bracket-interface))))))
 
     (TupletNumber
      . (
-	(avoid-slur . inside)
-	(cross-staff . ,ly:tuplet-number::calc-cross-staff)
-	(direction . ,tuplet-number::calc-direction)
-	(font-shape . italic)
-	(font-size . -2)
-	(stencil . ,ly:tuplet-number::print)
-	(text . ,tuplet-number::calc-denominator-text)
-	(X-offset . ,ly:tuplet-number::calc-x-offset)
-	(Y-offset . ,ly:tuplet-number::calc-y-offset)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				text-interface
-				tuplet-number-interface))))))
+        (avoid-slur . inside)
+        (cross-staff . ,ly:tuplet-number::calc-cross-staff)
+        (direction . ,tuplet-number::calc-direction)
+        (font-shape . italic)
+        (font-size . -2)
+        (stencil . ,ly:tuplet-number::print)
+        (text . ,tuplet-number::calc-denominator-text)
+        (X-offset . ,ly:tuplet-number::calc-x-offset)
+        (Y-offset . ,ly:tuplet-number::calc-y-offset)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                text-interface
+                                tuplet-number-interface))))))
 
 
     (UnaCordaPedal
      . (
-	(direction . ,RIGHT)
-	(extra-spacing-width . (+inf.0 . -inf.0))
-	(font-shape . italic)
-	(padding . 0.0)  ;; padding relative to UnaCordaPedalLineSpanner
-	(self-alignment-X . ,CENTER)
-	(stencil . ,ly:text-interface::print)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
-	(Y-extent . ,grob::always-Y-extent-from-stencil)
-	(X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
-	(meta . ((class . Item)
-		 (interfaces . (font-interface
-				piano-pedal-script-interface
-				self-alignment-interface
-				text-interface))))))
+        (direction . ,RIGHT)
+        (extra-spacing-width . (+inf.0 . -inf.0))
+        (font-shape . italic)
+        (padding . 0.0)  ;; padding relative to UnaCordaPedalLineSpanner
+        (self-alignment-X . ,CENTER)
+        (stencil . ,ly:text-interface::print)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
+        (Y-extent . ,grob::always-Y-extent-from-stencil)
+        (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
+        (meta . ((class . Item)
+                 (interfaces . (font-interface
+                                piano-pedal-script-interface
+                                self-alignment-interface
+                                text-interface))))))
 
     (UnaCordaPedalLineSpanner
      . (
-	(axes . (,Y))
-	(cross-staff . ,ly:side-position-interface::calc-cross-staff)
-	(direction . ,DOWN)
-	(minimum-space . 1.0)
-	(outside-staff-priority . 1000)
-	(padding . 1.2)
-	(side-axis . ,Y)
-	(staff-padding . 1.2)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				piano-pedal-interface
-				side-position-interface))))))
+        (axes . (,Y))
+        (cross-staff . ,ly:side-position-interface::calc-cross-staff)
+        (direction . ,DOWN)
+        (minimum-space . 1.0)
+        (outside-staff-priority . 1000)
+        (padding . 1.2)
+        (side-axis . ,Y)
+        (staff-padding . 1.2)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (Y-offset . ,side-position-interface::y-aligned-side)
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                piano-pedal-interface
+                                side-position-interface))))))
 
 
     (VaticanaLigature
      . (
-	(flexa-width . 2.0)
-	(stencil . ,ly:vaticana-ligature::print)
-	(thickness . 0.6)
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				vaticana-ligature-interface))))))
+        (flexa-width . 2.0)
+        (stencil . ,ly:vaticana-ligature::print)
+        (thickness . 0.6)
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                vaticana-ligature-interface))))))
 
     (VerticalAlignment
      . (
-	(axes . (,Y))
-	(positioning-done . ,ly:align-interface::align-to-ideal-distances)
-	(stacking-dir . -1)
-	(vertical-skylines . ,ly:axis-group-interface::combine-skylines)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)
-				      (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)))
-		 (interfaces . (align-interface
-				axis-group-interface))))))
+        (axes . (,Y))
+        (positioning-done . ,ly:align-interface::align-to-ideal-distances)
+        (stacking-dir . -1)
+        (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)
+                                      (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)))
+                 (interfaces . (align-interface
+                                axis-group-interface))))))
 
     (VerticalAxisGroup
      . (
-	(adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
-	(axes . (,Y))
-	(default-staff-staff-spacing . ((basic-distance . 9)
-					(minimum-distance . 8)
-					(padding . 1)))
-	(nonstaff-unrelatedstaff-spacing . ((padding . 0.5)))
-	(outside-staff-placement-directive . left-to-right-polite)
-	(staff-staff-spacing . ,(ly:make-unpure-pure-container ly:axis-group-interface::calc-staff-staff-spacing ly:axis-group-interface::calc-pure-staff-staff-spacing))
-	(stencil . ,ly:axis-group-interface::print)
-	(skyline-horizontal-padding . 0.1)
-	(vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,(ly:make-unpure-pure-container ly:hara-kiri-group-spanner::y-extent ly:hara-kiri-group-spanner::pure-height))
-	(Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
-	(meta . ((class . Spanner)
-		 (object-callbacks . (
-				      (X-common . ,ly:axis-group-interface::calc-x-common)
-				      (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-
-		 (interfaces . (axis-group-interface
-				hara-kiri-group-spanner-interface))))))
+        (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
+        (axes . (,Y))
+        (default-staff-staff-spacing . ((basic-distance . 9)
+                                        (minimum-distance . 8)
+                                        (padding . 1)))
+        (nonstaff-unrelatedstaff-spacing . ((padding . 0.5)))
+        (outside-staff-placement-directive . left-to-right-polite)
+        (staff-staff-spacing . ,(ly:make-unpure-pure-container ly:axis-group-interface::calc-staff-staff-spacing ly:axis-group-interface::calc-pure-staff-staff-spacing))
+        (stencil . ,ly:axis-group-interface::print)
+        (skyline-horizontal-padding . 0.1)
+        (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,(ly:make-unpure-pure-container ly:hara-kiri-group-spanner::y-extent ly:hara-kiri-group-spanner::pure-height))
+        (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
+        (meta . ((class . Spanner)
+                 (object-callbacks . (
+                                      (X-common . ,ly:axis-group-interface::calc-x-common)
+                                      (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+
+                 (interfaces . (axis-group-interface
+                                hara-kiri-group-spanner-interface))))))
 
     (VoiceFollower
      . (
-	(after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
-	(bound-details . ((right . ((attach-dir .  ,CENTER)
-				    (padding . 1.5)
-				      ))
-			  (left . ((attach-dir .  ,CENTER)
-				   (padding . 1.5)
-				      ))
-			  ))
-	(cross-staff . #t)
-	(gap . 0.5)
-	(left-bound-info . ,ly:line-spanner::calc-left-bound-info)
-	(non-musical . #t)
-	(right-bound-info . ,ly:line-spanner::calc-right-bound-info)
-	(stencil . ,ly:line-spanner::print)
-	(style . line)
-	(X-extent . #f)
-	(Y-extent . #f)
-	(meta . ((class . Spanner)
-		 (interfaces . (line-interface
-				line-spanner-interface))))))
+        (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
+        (bound-details . ((right . ((attach-dir .  ,CENTER)
+                                    (padding . 1.5)
+                                    ))
+                          (left . ((attach-dir .  ,CENTER)
+                                   (padding . 1.5)
+                                   ))
+                          ))
+        (cross-staff . #t)
+        (gap . 0.5)
+        (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
+        (non-musical . #t)
+        (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
+        (stencil . ,ly:line-spanner::print)
+        (style . line)
+        (X-extent . #f)
+        (Y-extent . #f)
+        (meta . ((class . Spanner)
+                 (interfaces . (line-interface
+                                line-spanner-interface))))))
 
     (VoltaBracket
      . (
-	(direction . ,UP)
-	(edge-height . (2.0 . 2.0)) ;; staff-space;
-	(font-encoding . fetaText)
-	(font-size . -4)
-	(shorten-pair . ,ly:volta-bracket::calc-shorten-pair)
-	(stencil . ,ly:volta-bracket-interface::print)
-	(thickness . 1.6) ;; line-thickness
-	(word-space . 0.6)
-	(vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
-	(Y-extent . ,(grob::unpure-Y-extent-from-stencil volta-bracket-interface::pure-height))
-	(meta . ((class . Spanner)
-		 (interfaces . (font-interface
-				horizontal-bracket-interface
-				line-interface
-				side-position-interface
-				text-interface
-				volta-bracket-interface
-				volta-interface))))))
+        (direction . ,UP)
+        (edge-height . (2.0 . 2.0)) ;; staff-space;
+        (font-encoding . fetaText)
+        (font-size . -4)
+        (shorten-pair . ,ly:volta-bracket::calc-shorten-pair)
+        (stencil . ,ly:volta-bracket-interface::print)
+        (thickness . 1.6) ;; line-thickness
+        (word-space . 0.6)
+        (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
+        (Y-extent . ,(grob::unpure-Y-extent-from-stencil volta-bracket-interface::pure-height))
+        (meta . ((class . Spanner)
+                 (interfaces . (font-interface
+                                horizontal-bracket-interface
+                                line-interface
+                                side-position-interface
+                                text-interface
+                                volta-bracket-interface
+                                volta-interface))))))
 
     (VoltaBracketSpanner
      . (
-	(after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
-	(axes . (,Y))
-	(direction . ,UP)
-	(no-alignment . #t)
-	(outside-staff-priority . 600)
-	(padding . 1)
-	(side-axis . ,Y)
-	(vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
-	(X-extent . ,ly:axis-group-interface::width)
-	(Y-extent . ,axis-group-interface::height)
+        (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
+        (axes . (,Y))
+        (direction . ,UP)
+        (no-alignment . #t)
+        (outside-staff-priority . 600)
+        (padding . 1)
+        (side-axis . ,Y)
+        (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
+        (X-extent . ,ly:axis-group-interface::width)
+        (Y-extent . ,axis-group-interface::height)
         (Y-offset . ,side-position-interface::y-aligned-side)
-	(meta . ((class . Spanner)
-		 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
-				      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
-		 (interfaces . (axis-group-interface
-				side-position-interface
-				volta-interface))))))
+        (meta . ((class . Spanner)
+                 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+                                      (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
+                 (interfaces . (axis-group-interface
+                                side-position-interface
+                                volta-interface))))))
 
-))
+    ))
 
 (define (completize-grob-entry x)
   "Transplant assoc key into 'name entry of 'meta of X.  Set interfaces for Item, Spanner etc.
@@ -2759,11 +2759,11 @@
   ;;  (display (car x))
   ;;  (newline)
   (let* ((name-sym  (car x))
-	 (grob-entry (cdr x))
-	 (meta-entry (assoc-get 'meta grob-entry))
-	 (class (assoc-get 'class meta-entry))
-	 (ifaces-entry
-	  (assoc-get 'interfaces meta-entry)))
+         (grob-entry (cdr x))
+         (meta-entry (assoc-get 'meta grob-entry))
+         (class (assoc-get 'class meta-entry))
+         (ifaces-entry
+          (assoc-get 'interfaces meta-entry)))
 
     (cond
      ((eq? 'Item class)
@@ -2772,10 +2772,10 @@
       (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
      ((eq? 'Paper_column class)
       (set! ifaces-entry (cons 'item-interface
-			       (cons 'paper-column-interface ifaces-entry))))
+                               (cons 'paper-column-interface ifaces-entry))))
      ((eq? 'System class)
       (set! ifaces-entry (cons 'system-interface
-			       (cons 'spanner-interface ifaces-entry))))
+                               (cons 'spanner-interface ifaces-entry))))
      (else
       (ly:warning "Unknown class ~a" class)))
 
@@ -2784,7 +2784,7 @@
 
     (set! meta-entry (assoc-set! meta-entry 'name name-sym))
     (set! meta-entry (assoc-set! meta-entry 'interfaces
-				 ifaces-entry))
+                                 ifaces-entry))
     (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
     (cons name-sym grob-entry)))
 
diff --git a/scm/define-markup-commands.scm b/scm/define-markup-commands.scm
index ecbe876ffa..fd7ce3eff8 100755
--- a/scm/define-markup-commands.scm
+++ b/scm/define-markup-commands.scm
@@ -194,40 +194,40 @@ Manual settings for @code{on},@code{off} and @code{phase} are possible.
                  ;; line-length.
                  (new-off (/ (- line-length corr (* (1+ guess) on)) guess))
                  )
-              (cond
-
-              ;; Settings for (= on 0). Resulting in a dotted line.
-
-                    ;; If line-length isn't shorter than `th´, change the given
-                    ;; value for `off´ to fit the line-length.
-                    ((and (= on 0) (< th line-length))
-                      (set! off new-off))
-
-                    ;; If the line-length is shorter than `th´, it makes no
-                    ;; sense to adjust `off´. The rounded edges of the lines
-                    ;; would prevent any nice output.
-                    ;; Do nothing.
-                    ;; This will result in a single dot for very short lines.
-                    ((and (= on 0) (>= th line-length))
-                      #f)
-
-              ;; Settings for (not (= on 0)). Resulting in a dashed line.
-
-                    ;; If line-length isn't shorter than one go of on-off-on,
-                    ;; change the given value for `off´ to fit the line-length.
-                    ((< (+ (* 2 on) off) line-length)
-                      (set! off new-off))
-                    ;; If the line-length is too short, but greater than
-                    ;; (* 4 th) set on/off to (/ line-length 3)
-                    ((< (* 4 th) line-length)
-                      (set! on (/ line-length 3))
-                      (set! off (/ line-length 3)))
-                    ;; If the line-length is shorter than (* 4 th), it makes
-                    ;; no sense trying to adjust on/off. The rounded edges of
-                    ;; the lines would prevent any nice output.
-                    ;; Simply set `on´ to line-length.
-                    (else
-                      (set! on line-length))))))
+            (cond
+
+             ;; Settings for (= on 0). Resulting in a dotted line.
+
+             ;; If line-length isn't shorter than `th´, change the given
+             ;; value for `off´ to fit the line-length.
+             ((and (= on 0) (< th line-length))
+              (set! off new-off))
+
+             ;; If the line-length is shorter than `th´, it makes no
+             ;; sense to adjust `off´. The rounded edges of the lines
+             ;; would prevent any nice output.
+             ;; Do nothing.
+             ;; This will result in a single dot for very short lines.
+             ((and (= on 0) (>= th line-length))
+              #f)
+
+             ;; Settings for (not (= on 0)). Resulting in a dashed line.
+
+             ;; If line-length isn't shorter than one go of on-off-on,
+             ;; change the given value for `off´ to fit the line-length.
+             ((< (+ (* 2 on) off) line-length)
+              (set! off new-off))
+             ;; If the line-length is too short, but greater than
+             ;; (* 4 th) set on/off to (/ line-length 3)
+             ((< (* 4 th) line-length)
+              (set! on (/ line-length 3))
+              (set! off (/ line-length 3)))
+             ;; If the line-length is shorter than (* 4 th), it makes
+             ;; no sense trying to adjust on/off. The rounded edges of
+             ;; the lines would prevent any nice output.
+             ;; Simply set `on´ to line-length.
+             (else
+              (set! on line-length))))))
 
     ;; If `on´ or `off´ is negative, or the sum of `on' and `off' equals zero a
     ;; ghostscript-error occurs while calling
@@ -244,9 +244,9 @@ Manual settings for @code{on},@code{off} and @code{phase} are possible.
     ;; To give the lines produced by \draw-line and \draw-dashed-line the same
     ;; length, half-thick has to be added to the stencil-extensions.
     (ly:make-stencil
-      (list 'dashed-line th on off x y phase)
-        (interval-widen (ordered-cons 0 x) half-thick)
-        (interval-widen (ordered-cons 0 y) half-thick))))
+     (list 'dashed-line th on off x y phase)
+     (interval-widen (ordered-cons 0 x) half-thick)
+     (interval-widen (ordered-cons 0 y) half-thick))))
 
 (define-markup-command (draw-dotted-line layout props dest)
   (number-pair?)
@@ -275,11 +275,11 @@ line-length.
 @end lilypond"
 
   (let ((new-props (prepend-alist-chain 'on 0
-                     (prepend-alist-chain 'full-length #t props))))
+                                        (prepend-alist-chain 'full-length #t props))))
 
-  (interpret-markup layout
-                    new-props
-                    (markup #:draw-dashed-line dest))))
+    (interpret-markup layout
+                      new-props
+                      (markup #:draw-dashed-line dest))))
 
 (define-markup-command (draw-hline layout props)
   ()
@@ -304,8 +304,8 @@ controls what fraction of the page is taken up.
   (interpret-markup layout
                     props
                     (markup #:draw-line (cons (* line-width
-                                                  span-factor)
-                                               0))))
+                                                 span-factor)
+                                              0))))
 
 (define-markup-command (draw-circle layout props radius thickness filled)
   (number? number? boolean?)
@@ -329,8 +329,8 @@ optionally filled.
   (boolean?)
   #:category graphic
   #:properties ((thickness 0.1)
-		(font-size 0)
-		(baseline-skip 2))
+                (font-size 0)
+                (baseline-skip 2))
   "
 @cindex drawing triangles within text
 
@@ -349,8 +349,8 @@ A triangle, either filled or empty.
                      ,ex 0.0
                      ,(* 0.5 ex)
                      ,(* 0.86 ex))
-           ,thickness
-           ,filled)
+               ,thickness
+               ,filled)
      (cons 0 ex)
      (cons 0 (* .86 ex)))))
 
@@ -358,8 +358,8 @@ A triangle, either filled or empty.
   (markup?)
   #:category graphic
   #:properties ((thickness 1)
-		(font-size 0)
-		(circle-padding 0.2))
+                (font-size 0)
+                (circle-padding 0.2))
   "
 @cindex circling text
 
@@ -376,8 +376,8 @@ thickness and padding around the markup.
 @end lilypond"
   (let ((th (* (ly:output-def-lookup layout 'line-thickness)
                thickness))
-         (pad (* (magstep font-size) circle-padding))
-         (m (interpret-markup layout props arg)))
+        (pad (* (magstep font-size) circle-padding))
+        (m (interpret-markup layout props arg)))
     (circle-stencil m th pad)))
 
 (define-markup-command (with-url layout props url arg)
@@ -399,10 +399,10 @@ the PDF backend.
 }
 @end lilypond"
   (let* ((stil (interpret-markup layout props arg))
-	 (xextent (ly:stencil-extent stil X))
-	 (yextent (ly:stencil-extent stil Y))
-	 (old-expr (ly:stencil-expr stil))
-	 (url-expr (list 'url-link url `(quote ,xextent) `(quote ,yextent))))
+         (xextent (ly:stencil-extent stil X))
+         (yextent (ly:stencil-extent stil Y))
+         (old-expr (ly:stencil-expr stil))
+         (url-expr (list 'url-link url `(quote ,xextent) `(quote ,yextent))))
 
     (ly:stencil-add (ly:make-stencil url-expr xextent yextent) stil)))
 
@@ -421,10 +421,10 @@ in the PDF backend.
 }
 @end lilypond"
   (let* ((stil (interpret-markup layout props arg))
-	 (xextent (ly:stencil-extent stil X))
-	 (yextent (ly:stencil-extent stil Y))
-	 (old-expr (ly:stencil-expr stil))
-	 (link-expr (list 'page-link page-number `(quote ,xextent) `(quote ,yextent))))
+         (xextent (ly:stencil-extent stil X))
+         (yextent (ly:stencil-extent stil Y))
+         (old-expr (ly:stencil-expr stil))
+         (link-expr (list 'page-link page-number `(quote ,xextent) `(quote ,yextent))))
 
     (ly:stencil-add (ly:make-stencil link-expr xextent yextent) stil)))
 
@@ -457,7 +457,7 @@ only works in the PDF backend.
                        (link-expr (list 'page-link page-number
                                         `(quote ,x-ext) `(quote ,y-ext))))
                   (ly:stencil-add (ly:make-stencil link-expr x-ext y-ext)
-arg-stencil)))))
+                                  arg-stencil)))))
      x-ext
      y-ext)))
 
@@ -475,20 +475,20 @@ Create a beam with the specified parameters.
 }
 @end lilypond"
   (let* ((y (* slope width))
-	 (yext (cons (min 0 y) (max 0 y)))
-	 (half (/ thickness 2)))
+         (yext (cons (min 0 y) (max 0 y)))
+         (half (/ thickness 2)))
 
     (ly:make-stencil
      `(polygon ',(list
-		  0 (/ thickness -2)
-		    width (+ (* width slope)  (/ thickness -2))
-		    width (+ (* width slope)  (/ thickness 2))
-		    0 (/ thickness 2))
-	       ,(ly:output-def-lookup layout 'blot-diameter)
-	       #t)
+                  0 (/ thickness -2)
+                  width (+ (* width slope)  (/ thickness -2))
+                  width (+ (* width slope)  (/ thickness 2))
+                  0 (/ thickness 2))
+               ,(ly:output-def-lookup layout 'blot-diameter)
+               #t)
      (cons 0 width)
      (cons (+ (- half) (car yext))
-	   (+ half (cdr yext))))))
+           (+ half (cdr yext))))))
 
 (define-markup-command (underline layout props arg)
   (markup?)
@@ -524,8 +524,8 @@ thickness, and @code{offset} to determine line y-offset.
   (markup?)
   #:category font
   #:properties ((thickness 1)
-		(font-size 0)
-		(box-padding 0.2))
+                (font-size 0)
+                (box-padding 0.2))
   "
 @cindex enclosing text within a box
 
@@ -578,9 +578,9 @@ circle of diameter@tie{}0 (i.e., sharp corners).
   (markup?)
   #:category graphic
   #:properties ((thickness 1)
-		(corner-radius 1)
-		(font-size 0)
-		(box-padding 0.5))
+                (corner-radius 1)
+                (font-size 0)
+                (box-padding 0.5))
   "@cindex enclosing text in a box with rounded corners
    @cindex drawing boxes with rounded corners around text
 Draw a box with rounded corners around @var{arg}.  Looks at @code{thickness},
@@ -686,9 +686,9 @@ Add space around a markup object.
 Create a box of the same height as the space in the current font."
   (let ((m (ly:text-interface::interpret-markup layout props " ")))
     (ly:make-stencil (ly:stencil-expr m)
-		     '(0 . 0)
-		     (ly:stencil-extent m X)
-		     )))
+                     '(0 . 0)
+                     (ly:stencil-extent m X)
+                     )))
 
 (define-markup-command (hspace layout props amount)
   (number?)
@@ -710,9 +710,9 @@ Create an invisible object taking up horizontal space @var{amount}.
   (ly:make-stencil "" (cons 0 amount) empty-interval))
 
 (define-markup-command (vspace layout props amount)
- (number?)
- #:category align
- "
+  (number?)
+  #:category align
+  "
 @cindex creating vertical spaces in text
 
 Create an invisible object taking up vertical space
@@ -761,11 +761,11 @@ Use a stencil as markup.
       ((match (regexp-exec bbox-regexp string)))
 
     (if match
-	(map (lambda (x)
-	       (string->number (match:substring match x)))
-	     (cdr (iota 5)))
+        (map (lambda (x)
+               (string->number (match:substring match x)))
+             (cdr (iota 5)))
 
-	#f)))
+        #f)))
 
 (define-markup-command (epsfile layout props axis size file-name)
   (number? number? string?)
@@ -820,20 +820,20 @@ rings = \\markup {
   ;; FIXME
   (ly:make-stencil
    (list 'embedded-ps
-	 (format #f "
+         (format #f "
 gsave currentpoint translate
 0.1 setlinewidth
  ~a
 grestore
 "
-		 str))
+                 str))
    '(0 . 0) '(0 . 0)))
 
 (define-markup-command (path layout props thickness commands) (number? list?)
   #:category graphic
   #:properties ((line-cap-style 'round)
-		(line-join-style 'round)
-		(filled #f))
+                (line-join-style 'round)
+                (filled #f))
   "
 @cindex paths, drawing
 @cindex drawing paths
@@ -888,77 +888,77 @@ samplePath =
 }
 @end lilypond"
   (let* ((half-thickness (/ thickness 2))
-	 (current-point '(0 . 0))
-	 (set-point (lambda (lst) (set! current-point lst)))
-	 (relative? (lambda (x)
-		      (string-prefix? "r" (symbol->string (car x)))))
-	 ;; For calculating extents, we want to modify the command
-	 ;; list so that all coordinates are absolute.
-	 (new-commands (map (lambda (x)
-			      (cond
-				;; for rmoveto, rlineto
-				((and (relative? x) (= 3 (length x)))
-				 (let ((cp (cons
-					     (+ (car current-point)
-						(second x))
-					     (+ (cdr current-point)
-						(third x)))))
-				   (set-point cp)
-				   (list (car cp)
-					 (cdr cp))))
-				;; for rcurveto
-				((and (relative? x) (= 7 (length x)))
-				 (let* ((old-cp current-point)
-					(cp (cons
-					      (+ (car old-cp)
-						 (sixth x))
-					      (+ (cdr old-cp)
-						 (seventh x)))))
-				   (set-point cp)
-				   (list (+ (car old-cp) (second x))
-					 (+ (cdr old-cp) (third x))
-					 (+ (car old-cp) (fourth x))
-					 (+ (cdr old-cp) (fifth x))
-					 (car cp)
-					 (cdr cp))))
-				;; for moveto, lineto
-				((= 3 (length x))
-				 (set-point (cons (second x)
-						  (third x)))
-				 (drop x 1))
-				;; for curveto
-				((= 7 (length x))
-				 (set-point (cons (sixth x)
-						  (seventh x)))
-				 (drop x 1))
-				;; keep closepath for filtering;
-				;; see `without-closepath'.
-				(else x)))
-			    commands))
-	 ;; path-min-max does not accept 0-arg lists,
-	 ;; and since closepath does not affect extents, filter
-	 ;; out those commands here.
-	 (without-closepath (filter (lambda (x)
-				      (not (equal? 'closepath (car x))))
-				    new-commands))
-	 (extents (path-min-max
-		    ;; set the origin to the first moveto
-		    (list (list-ref (car without-closepath) 0)
-			  (list-ref (car without-closepath) 1))
-		    without-closepath))
-	 (X-extent (cons (list-ref extents 0) (list-ref extents 1)))
-	 (Y-extent (cons (list-ref extents 2) (list-ref extents 3)))
-	 (command-list (fold-right append '() commands)))
+         (current-point '(0 . 0))
+         (set-point (lambda (lst) (set! current-point lst)))
+         (relative? (lambda (x)
+                      (string-prefix? "r" (symbol->string (car x)))))
+         ;; For calculating extents, we want to modify the command
+         ;; list so that all coordinates are absolute.
+         (new-commands (map (lambda (x)
+                              (cond
+                               ;; for rmoveto, rlineto
+                               ((and (relative? x) (= 3 (length x)))
+                                (let ((cp (cons
+                                           (+ (car current-point)
+                                              (second x))
+                                           (+ (cdr current-point)
+                                              (third x)))))
+                                  (set-point cp)
+                                  (list (car cp)
+                                        (cdr cp))))
+                               ;; for rcurveto
+                               ((and (relative? x) (= 7 (length x)))
+                                (let* ((old-cp current-point)
+                                       (cp (cons
+                                            (+ (car old-cp)
+                                               (sixth x))
+                                            (+ (cdr old-cp)
+                                               (seventh x)))))
+                                  (set-point cp)
+                                  (list (+ (car old-cp) (second x))
+                                        (+ (cdr old-cp) (third x))
+                                        (+ (car old-cp) (fourth x))
+                                        (+ (cdr old-cp) (fifth x))
+                                        (car cp)
+                                        (cdr cp))))
+                               ;; for moveto, lineto
+                               ((= 3 (length x))
+                                (set-point (cons (second x)
+                                                 (third x)))
+                                (drop x 1))
+                               ;; for curveto
+                               ((= 7 (length x))
+                                (set-point (cons (sixth x)
+                                                 (seventh x)))
+                                (drop x 1))
+                               ;; keep closepath for filtering;
+                               ;; see `without-closepath'.
+                               (else x)))
+                            commands))
+         ;; path-min-max does not accept 0-arg lists,
+         ;; and since closepath does not affect extents, filter
+         ;; out those commands here.
+         (without-closepath (filter (lambda (x)
+                                      (not (equal? 'closepath (car x))))
+                                    new-commands))
+         (extents (path-min-max
+                   ;; set the origin to the first moveto
+                   (list (list-ref (car without-closepath) 0)
+                         (list-ref (car without-closepath) 1))
+                   without-closepath))
+         (X-extent (cons (list-ref extents 0) (list-ref extents 1)))
+         (Y-extent (cons (list-ref extents 2) (list-ref extents 3)))
+         (command-list (fold-right append '() commands)))
 
     ;; account for line thickness
     (set! X-extent (interval-widen X-extent half-thickness))
     (set! Y-extent (interval-widen Y-extent half-thickness))
 
     (ly:make-stencil
-      `(path ,thickness `(,@',command-list)
-	     ',line-cap-style ',line-join-style ,filled)
-      X-extent
-      Y-extent)))
+     `(path ,thickness `(,@',command-list)
+            ',line-cap-style ',line-join-style ,filled)
+     X-extent
+     Y-extent)))
 
 (define-markup-list-command (score-lines layout props score)
   (ly:score?)
@@ -981,8 +981,8 @@ be split across pages."
             (- (car (paper-system-staff-extents paper-system)))
             Y))
          (vector->list (ly:paper-score-paper-systems output)))
-	(begin
-	  (ly:warning (_"no systems found in \\score markup, does it have a \\layout block?"))
+        (begin
+          (ly:warning (_"no systems found in \\score markup, does it have a \\layout block?"))
           '()))))
 
 (define-markup-command (score layout props score)
@@ -1099,12 +1099,12 @@ Like simple-markup, but use tie characters for @q{~} tilde symbols.
   (define (replace-ties tie str)
     (if (string-contains str "~")
         (let*
-          ((half-space (/ word-space 2))
-           (parts (string-split str #\~))
-           (tie-str (markup #:hspace half-space
-                            #:musicglyph tie
-                            #:hspace half-space))
-           (joined  (list-join parts tie-str)))
+            ((half-space (/ word-space 2))
+             (parts (string-split str #\~))
+             (tie-str (markup #:hspace half-space
+                              #:musicglyph tie
+                              #:hspace half-space))
+             (joined  (list-join parts tie-str)))
           (make-concat-markup joined))
         str))
 
@@ -1115,16 +1115,16 @@ Like simple-markup, but use tie characters for @q{~} tilde symbols.
     (let ((match (match-short str)))
       (if (not match)
           (make-concat-markup (list
-            mkp
-            (replace-ties "ties.lyric.default" str)))
+                               mkp
+                               (replace-ties "ties.lyric.default" str)))
           (let ((new-str (match:suffix match))
                 (new-mkp (make-concat-markup (list
-                          mkp
-                          (replace-ties "ties.lyric.default"
-                                        (match:prefix match))
-                          (replace-ties "ties.lyric.short"
-                                        (match:substring match))))))
-              (replace-short new-str new-mkp)))))
+                                              mkp
+                                              (replace-ties "ties.lyric.default"
+                                                            (match:prefix match))
+                                              (replace-ties "ties.lyric.short"
+                                                            (match:substring match))))))
+            (replace-short new-str new-mkp)))))
 
   (interpret-markup layout
                     props
@@ -1151,12 +1151,12 @@ Like simple-markup, but use tie characters for @q{~} tilde symbols.
    ((= (length text-widths) word-count)
     (cons
      (- (- (/ line-width (1- word-count)) (car text-widths))
-	(/ (car (cdr text-widths)) 2))
+        (/ (car (cdr text-widths)) 2))
      (get-fill-space word-count line-width word-space (cdr text-widths))))
    ;; special case last padding
    ((= (length text-widths) 2)
     (list (- (/ line-width (1- word-count))
-	     (+ (/ (car text-widths) 2) (car (cdr text-widths)))) 0))
+             (+ (/ (car text-widths) 2) (car (cdr text-widths)))) 0))
    (else
     (let ((default-padding
             (- (/ line-width (1- word-count))
@@ -1252,7 +1252,7 @@ If there are no arguments, return an empty stencil.
   (markup-list?)
   #:category align
   #:properties ((word-space)
-		(text-direction RIGHT))
+                (text-direction RIGHT))
   "Put @var{args} in a horizontal line.  The property @code{word-space}
 determines the space between markups in @var{args}.
 
@@ -1293,12 +1293,12 @@ equivalent to @code{\"fi\"}.
     (fold-right (lambda (arg result-list)
                   (let ((result (if (pair? result-list)
                                     (car result-list)
-                                  '())))
+                                    '())))
                     (if (and (pair? arg) (eqv? (car arg) simple-markup))
-                      (set! arg (cadr arg)))
+                        (set! arg (cadr arg)))
                     (if (and (string? result) (string? arg))
                         (cons (string-append arg result) (cdr result-list))
-                      (cons arg result-list))))
+                        (cons arg result-list))))
                 '()
                 arg-list))
 
@@ -1313,12 +1313,12 @@ equivalent to @code{\"fi\"}.
                           (concat-string-args args))))))
 
 (define (wordwrap-stencils stencils
-			   justify base-space line-width text-dir)
+                           justify base-space line-width text-dir)
   "Perform simple wordwrap, return stencil of each line."
   (define space (if justify
                     ;; justify only stretches lines.
-		    (* 0.7 base-space)
-		    base-space))
+                    (* 0.7 base-space)
+                    base-space))
   (define (stencil-space stencil line-start)
     (if (ly:stencil-empty? stencil X)
         0
@@ -1329,17 +1329,17 @@ equivalent to @code{\"fi\"}.
                                 X RIGHT stencil)
               X))))
   (define (take-list width space stencils
-		     accumulator accumulated-width)
+                     accumulator accumulated-width)
     "Return (head-list . tail) pair, with head-list fitting into width"
     (if (null? stencils)
-	(cons accumulator stencils)
-	(let* ((first (car stencils))
+        (cons accumulator stencils)
+        (let* ((first (car stencils))
                (first-wid (stencil-space first (null? accumulator)))
                (newwid (+ (if (or (ly:stencil-empty? first Y)
                                   (ly:stencil-empty? first X))
                               0 space)
                           first-wid accumulated-width)))
-	  (if (or (null? accumulator)
+          (if (or (null? accumulator)
                   (< newwid width))
               (take-list width space
                          (cdr stencils)
@@ -1350,15 +1350,15 @@ equivalent to @code{\"fi\"}.
              (todo stencils))
     (let* ((line-break (take-list line-width space todo
                                   '() 0.0))
-	   (line-stencils (car line-break))
-	   (space-left (- line-width
+           (line-stencils (car line-break))
+           (space-left (- line-width
                           (stencil-space
                            (stack-stencil-line 0 line-stencils)
                            #t)))
            (line-words (count (lambda (s) (not (or (ly:stencil-empty? s Y)
                                                    (ly:stencil-empty? s X))))
                               line-stencils))
-	   (line-word-space (cond ((not justify) space)
+           (line-word-space (cond ((not justify) space)
                                   ;; don't stretch last line of paragraph.
                                   ;; hmmm . bug - will overstretch the last line in some case.
                                   ((null? (cdr line-break))
@@ -1384,8 +1384,8 @@ equivalent to @code{\"fi\"}.
 (define-markup-list-command (wordwrap-internal layout props justify args)
   (boolean? markup-list?)
   #:properties ((line-width #f)
-		(word-space)
-		(text-direction RIGHT))
+                (word-space)
+                (text-direction RIGHT))
   "Internal markup list command used to define @code{\\justify} and @code{\\wordwrap}."
   (wordwrap-stencils (interpret-markup-list layout props args)
                      justify
@@ -1398,7 +1398,7 @@ equivalent to @code{\"fi\"}.
   (markup-list?)
   #:category align
   #:properties ((baseline-skip)
-		wordwrap-internal-markup-list)
+                wordwrap-internal-markup-list)
   "
 @cindex justifying text
 
@@ -1423,7 +1423,7 @@ Use @code{\\override #'(line-width . @var{X})} to set the line width;
   (markup-list?)
   #:category align
   #:properties ((baseline-skip)
-		wordwrap-internal-markup-list)
+                wordwrap-internal-markup-list)
   "Simple wordwrap.  Use @code{\\override #'(line-width . @var{X})} to set
 the line width, where @var{X} is the number of staff spaces.
 
@@ -1438,13 +1438,13 @@ the line width, where @var{X} is the number of staff spaces.
 }
 @end lilypond"
   (stack-lines DOWN 0.0 baseline-skip
-	       (wordwrap-internal-markup-list layout props #f args)))
+               (wordwrap-internal-markup-list layout props #f args)))
 
 (define-markup-list-command (wordwrap-string-internal layout props justify arg)
   (boolean? string?)
   #:properties ((line-width)
-		(word-space)
-		(text-direction RIGHT))
+                (word-space)
+                (text-direction RIGHT))
   "Internal markup list command used to define @code{\\justify-string} and
 @code{\\wordwrap-string}."
   (let* ((para-strings (regexp-split
@@ -1470,7 +1470,7 @@ the line width, where @var{X} is the number of staff spaces.
   (string?)
   #:category align
   #:properties ((baseline-skip)
-		wordwrap-string-internal-markup-list)
+                wordwrap-string-internal-markup-list)
   "Wordwrap a string.  Paragraphs may be separated with double newlines.
 
 @lilypond[verbatim,quote]
@@ -1496,7 +1496,7 @@ the line width, where @var{X} is the number of staff spaces.
   (string?)
   #:category align
   #:properties ((baseline-skip)
-		wordwrap-string-internal-markup-list)
+                wordwrap-string-internal-markup-list)
   "Justify a string.  Paragraphs may be separated with double newlines
 
 @lilypond[verbatim,quote]
@@ -1610,7 +1610,7 @@ curly braces as an argument; the follow example will not compile:
 }
 @end lilypond"
   (let* ((s1 (interpret-markup layout props arg1))
-	 (s2 (interpret-markup layout props arg2)))
+         (s2 (interpret-markup layout props arg2)))
     (ly:stencil-add s1 s2)))
 
 ;;
@@ -1643,7 +1643,7 @@ in @var{args}.
   (markup-list?)
   #:category align
   #:properties ((direction)
-		(baseline-skip))
+                (baseline-skip))
   "
 @cindex changing direction of text columns
 
@@ -1706,7 +1706,7 @@ Put @code{args} in a centered column.
   (markup-list?)
   #:category align
   #:properties ((baseline-skip))
- "
+  "
 @cindex text columns, left-aligned
 
 Put @code{args} in a left-aligned column.
@@ -1726,7 +1726,7 @@ Put @code{args} in a left-aligned column.
   (markup-list?)
   #:category align
   #:properties ((baseline-skip))
- "
+  "
 @cindex text columns, right-aligned
 
 Put @code{args} in a right-aligned column.
@@ -2091,8 +2091,8 @@ returns an empty markup.
 @var{procedure} should take a single argument."
   (let ((anonymous-with-signature (lambda (layout props arg) (procedure layout props arg))))
     (set-object-property! anonymous-with-signature
-			  'markup-signature
-			  (list markup?))
+                          'markup-signature
+                          (list markup?))
     (interpret-markup layout props (list anonymous-with-signature arg))))
 
 (define-markup-command (footnote layout props mkup note)
@@ -2109,14 +2109,14 @@ returns an empty markup.
 @end lilypond
 The footnote will not be annotated automatically."
   (ly:stencil-combine-at-edge
-    (interpret-markup layout props mkup)
-    X
-    RIGHT
-    (ly:make-stencil
-      `(footnote (gensym "footnote") #f ,(interpret-markup layout props note))
-      '(0 . 0)
-      '(0 . 0))
-    0.0))
+   (interpret-markup layout props mkup)
+   X
+   RIGHT
+   (ly:make-stencil
+    `(footnote (gensym "footnote") #f ,(interpret-markup layout props note))
+    '(0 . 0)
+    '(0 . 0))
+   0.0))
 
 (define-markup-command (auto-footnote layout props mkup note)
   (markup? markup?)
@@ -2137,49 +2137,49 @@ The footnote will be annotated automatically."
          (footnote-hash (gensym "footnote"))
          (stencil-seed 0)
          (gauge-stencil (interpret-markup
+                         layout
+                         props
+                         ((ly:output-def-lookup
                            layout
-                           props
-                           ((ly:output-def-lookup
-                               layout
-                               'footnote-numbering-function)
-                              stencil-seed)))
+                           'footnote-numbering-function)
+                          stencil-seed)))
          (x-ext (ly:stencil-extent gauge-stencil X))
-	 (y-ext (ly:stencil-extent gauge-stencil Y))
+         (y-ext (ly:stencil-extent gauge-stencil Y))
          (footnote-number
-           `(delay-stencil-evaluation
-              ,(delay
-                (ly:stencil-expr
-                  (let* ((table
-                          (ly:output-def-lookup layout
-                                                'number-footnote-table))
-                         (footnote-stencil (if (list? table)
-                                               (assoc-get footnote-hash
-                                                          table)
-                                               empty-stencil))
-                         (footnote-stencil (if (ly:stencil? footnote-stencil)
-                                               footnote-stencil
-                                               (begin
-                                                 (ly:programming-error
-"Cannot find correct footnote for a markup object.")
-                                                 empty-stencil)))
-                         (gap (- (interval-length x-ext)
-                                 (interval-length
-                                   (ly:stencil-extent footnote-stencil X))))
-                         (y-trans (- (+ (cdr y-ext)
-                                        raise)
-                                     (cdr (ly:stencil-extent footnote-stencil
-                                                             Y)))))
-                    (ly:stencil-translate footnote-stencil
-                                          (cons gap y-trans)))))))
+          `(delay-stencil-evaluation
+            ,(delay
+               (ly:stencil-expr
+                (let* ((table
+                        (ly:output-def-lookup layout
+                                              'number-footnote-table))
+                       (footnote-stencil (if (list? table)
+                                             (assoc-get footnote-hash
+                                                        table)
+                                             empty-stencil))
+                       (footnote-stencil (if (ly:stencil? footnote-stencil)
+                                             footnote-stencil
+                                             (begin
+                                               (ly:programming-error
+                                                "Cannot find correct footnote for a markup object.")
+                                               empty-stencil)))
+                       (gap (- (interval-length x-ext)
+                               (interval-length
+                                (ly:stencil-extent footnote-stencil X))))
+                       (y-trans (- (+ (cdr y-ext)
+                                      raise)
+                                   (cdr (ly:stencil-extent footnote-stencil
+                                                           Y)))))
+                  (ly:stencil-translate footnote-stencil
+                                        (cons gap y-trans)))))))
          (main-stencil (ly:stencil-combine-at-edge
-                         markup-stencil
-                         X
-                         RIGHT
-                         (ly:make-stencil footnote-number x-ext y-ext)
-                         padding)))
-  (ly:stencil-add
-    main-stencil
-    (ly:make-stencil
+                        markup-stencil
+                        X
+                        RIGHT
+                        (ly:make-stencil footnote-number x-ext y-ext)
+                        padding)))
+    (ly:stencil-add
+     main-stencil
+     (ly:make-stencil
       `(footnote ,footnote-hash #t ,(interpret-markup layout props note))
       '(0 . 0)
       '(0 . 0)))))
@@ -2260,7 +2260,7 @@ may be any property supported by @rinternals{font-interface},
 }
 @end lilypond"
   (interpret-markup layout props
-   `(,fontsize-markup -1 ,arg)))
+                    `(,fontsize-markup -1 ,arg)))
 
 (define-markup-command (larger layout props arg)
   (markup?)
@@ -2276,7 +2276,7 @@ may be any property supported by @rinternals{font-interface},
 }
 @end lilypond"
   (interpret-markup layout props
-   `(,fontsize-markup 1 ,arg)))
+                    `(,fontsize-markup 1 ,arg)))
 
 (define-markup-command (finger layout props arg)
   (markup?)
@@ -2314,21 +2314,21 @@ Adjusts @code{baseline-skip} and @code{word-space} accordingly.
          (ref-word-space (chain-assoc-get 'word-space text-props 0.6))
          (ref-baseline (chain-assoc-get 'baseline-skip text-props 3))
          (magnification (/ size ref-size)))
-     (interpret-markup
-      layout
-      (cons
-       `((baseline-skip . ,(* magnification ref-baseline))
-         (word-space . ,(* magnification ref-word-space))
-         (font-size . ,(magnification->font-size magnification)))
-       props)
-      arg)))
+    (interpret-markup
+     layout
+     (cons
+      `((baseline-skip . ,(* magnification ref-baseline))
+        (word-space . ,(* magnification ref-word-space))
+        (font-size . ,(magnification->font-size magnification)))
+      props)
+     arg)))
 
 (define-markup-command (fontsize layout props increment arg)
   (number? markup?)
   #:category font
   #:properties ((font-size 0)
-		(word-space 1)
-		(baseline-skip 2))
+                (word-space 1)
+                (baseline-skip 2))
   "Add @var{increment} to the font-size.  Adjusts @code{baseline-skip}
 accordingly.
 
@@ -2570,33 +2570,33 @@ Note: @code{\\smallCaps} does not support accented characters.
   (define (char-list->markup chars lower)
     (let ((final-string (string-upcase (reverse-list->string chars))))
       (if lower
-	  (markup #:fontsize -2 final-string)
-	  final-string)))
+          (markup #:fontsize -2 final-string)
+          final-string)))
   (define (make-small-caps rest-chars currents current-is-lower prev-result)
     (if (null? rest-chars)
-	(make-concat-markup
-	  (reverse! (cons (char-list->markup currents current-is-lower)
-			  prev-result)))
-	(let* ((ch (car rest-chars))
-	       (is-lower (char-lower-case? ch)))
-	  (if (or (and current-is-lower is-lower)
-		  (and (not current-is-lower) (not is-lower)))
-	      (make-small-caps (cdr rest-chars)
-			       (cons ch currents)
-			       is-lower
-			       prev-result)
-	      (make-small-caps (cdr rest-chars)
-			       (list ch)
-			       is-lower
-			       (if (null? currents)
-				   prev-result
-				   (cons (char-list->markup
-					    currents current-is-lower)
-					 prev-result)))))))
+        (make-concat-markup
+         (reverse! (cons (char-list->markup currents current-is-lower)
+                         prev-result)))
+        (let* ((ch (car rest-chars))
+               (is-lower (char-lower-case? ch)))
+          (if (or (and current-is-lower is-lower)
+                  (and (not current-is-lower) (not is-lower)))
+              (make-small-caps (cdr rest-chars)
+                               (cons ch currents)
+                               is-lower
+                               prev-result)
+              (make-small-caps (cdr rest-chars)
+                               (list ch)
+                               is-lower
+                               (if (null? currents)
+                                   prev-result
+                                   (cons (char-list->markup
+                                          currents current-is-lower)
+                                         prev-result)))))))
   (interpret-markup layout props
-    (if (string? arg)
-	(make-small-caps (string->list arg) (list) #f (list))
-	arg)))
+                    (if (string? arg)
+                        (make-small-caps (string->list arg) (list) #f (list))
+                        arg)))
 
 (define-markup-command (caps layout props arg)
   (markup?)
@@ -2650,7 +2650,7 @@ done in a different font.  The recommended font for this is bold and italic.
 
   ;; ugh - latin1
   (interpret-markup layout (prepend-alist-chain 'font-encoding 'latin1 props)
-		    arg))
+                    arg))
 
 (define-markup-command (italic layout props arg)
   (markup?)
@@ -2724,7 +2724,7 @@ of @code{italic}.
 }
 @end lilypond"
   (interpret-markup layout (prepend-alist-chain 'font-series 'medium props)
-		    arg))
+                    arg))
 
 (define-markup-command (normal-text layout props arg)
   (markup?)
@@ -2748,8 +2748,8 @@ normal text font, no matter what font was used earlier.
   ;; ugh - latin1
   (interpret-markup layout
                     (cons '((font-family . roman) (font-shape . upright)
-			    (font-series . medium) (font-encoding . latin1))
-			  props)
+                            (font-series . medium) (font-encoding . latin1))
+                          props)
                     arg))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -2772,13 +2772,13 @@ the possible glyphs.
 }
 @end lilypond"
   (let* ((font (ly:paper-get-font layout
-				  (cons '((font-encoding . fetaMusic)
-					  (font-name . #f))
+                                  (cons '((font-encoding . fetaMusic)
+                                          (font-name . #f))
 
-						 props)))
-	 (glyph (ly:font-get-glyph font glyph-name)))
+                                        props)))
+         (glyph (ly:font-get-glyph font glyph-name)))
     (if (null? (ly:stencil-expr glyph))
-	(ly:warning (_ "Cannot find glyph ~a") glyph-name))
+        (ly:warning (_ "Cannot find glyph ~a") glyph-name))
 
     glyph))
 
@@ -2912,8 +2912,8 @@ Draw @var{arg} in color specified by @var{color}.
 @end lilypond"
   (let ((stil (interpret-markup layout props arg)))
     (ly:make-stencil (list 'color color (ly:stencil-expr stil))
-		     (ly:stencil-extent stil X)
-		     (ly:stencil-extent stil Y))))
+                     (ly:stencil-extent stil X)
+                     (ly:stencil-extent stil Y))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; glyphs
@@ -2939,14 +2939,14 @@ Use the filled head if @var{filled} is specified.
 @end lilypond"
   (let*
       ((name (format #f "arrowheads.~a.~a~a"
-		     (if filled
-			 "close"
-			 "open")
-		     axis
-		     dir)))
+                     (if filled
+                         "close"
+                         "open")
+                     axis
+                     dir)))
     (ly:font-get-glyph
      (ly:paper-get-font layout (cons '((font-encoding . fetaMusic))
-				     props))
+                                     props))
      name)))
 
 (define-markup-command (lookup layout props glyph-name)
@@ -2965,7 +2965,7 @@ Use the filled head if @var{filled} is specified.
 }
 @end lilypond"
   (ly:font-get-glyph (ly:paper-get-font layout props)
-		     glyph-name))
+                     glyph-name))
 
 (define-markup-command (char layout props num)
   (integer?)
@@ -2991,16 +2991,16 @@ format require the prefix @code{#x}.
                (integer->char (+ i (char->integer #\A)))))
 
 (define number->mark-alphabet-vector (list->vector
-  (map (lambda (i) (integer->char (+ i (char->integer #\A)))) (iota 26))))
+                                      (map (lambda (i) (integer->char (+ i (char->integer #\A)))) (iota 26))))
 
 (define (number->markletter-string vec n)
   "Double letters for big marks."
   (let* ((lst (vector-length vec)))
 
     (if (>= n lst)
-	(string-append (number->markletter-string vec (1- (quotient n lst)))
-		       (number->markletter-string vec (remainder n lst)))
-	(make-string 1 (vector-ref vec n)))))
+        (string-append (number->markletter-string vec (1- (quotient n lst)))
+                       (number->markletter-string vec (remainder n lst)))
+        (make-string 1 (vector-ref vec n)))))
 
 (define-markup-command (markletter layout props num)
   (integer?)
@@ -3010,10 +3010,10 @@ format require the prefix @code{#x}.
 
 @lilypond[verbatim,quote]
 \\markup {
-  \\markletter #8
-  \\hspace #2
-  \\markletter #26
-}
+          \\markletter #8
+          \\hspace #2
+          \\markletter #26
+          }
 @end lilypond"
   (ly:text-interface::interpret-markup layout props
     (number->markletter-string number->mark-letter-vector num)))
@@ -3021,7 +3021,7 @@ format require the prefix @code{#x}.
 (define-markup-command (markalphabet layout props num)
   (integer?)
   #:category other
-   "Make a markup letter for @var{num}.  The letters start with A to@tie{}Z
+  "Make a markup letter for @var{num}.  The letters start with A to@tie{}Z
 and continue with double letters.
 
 @lilypond[verbatim,quote]
@@ -3031,67 +3031,67 @@ and continue with double letters.
   \\markalphabet #26
 }
 @end lilypond"
-   (ly:text-interface::interpret-markup layout props
-     (number->markletter-string number->mark-alphabet-vector num)))
+  (ly:text-interface::interpret-markup layout props
+                                       (number->markletter-string number->mark-alphabet-vector num)))
 
 (define-public (horizontal-slash-interval num forward number-interval mag)
   (if forward
-    (cond ;((= num 6) (interval-widen number-interval (* mag 0.5)))
-          ;((= num 5) (interval-widen number-interval (* mag 0.5)))
-          (else (interval-widen number-interval (* mag 0.25))))
-    (cond ((= num 6) (interval-widen number-interval (* mag 0.5)))
-          ;((= num 5) (interval-widen number-interval (* mag 0.5)))
-          (else (interval-widen number-interval (* mag 0.25))))
-  ))
+      (cond ;((= num 6) (interval-widen number-interval (* mag 0.5)))
+                                        ;((= num 5) (interval-widen number-interval (* mag 0.5)))
+       (else (interval-widen number-interval (* mag 0.25))))
+      (cond ((= num 6) (interval-widen number-interval (* mag 0.5)))
+                                        ;((= num 5) (interval-widen number-interval (* mag 0.5)))
+            (else (interval-widen number-interval (* mag 0.25))))
+      ))
 
 (define-public (adjust-slash-stencil num forward stencil mag)
   (if forward
-    (cond ((= num 2)
-              (ly:stencil-translate stencil (cons (* mag -0.00) (* mag 0.2))))
-          ((= num 3)
-              (ly:stencil-translate stencil (cons (* mag -0.00) (* mag 0.2))))
-          ;((= num 5)
-              ;(ly:stencil-translate stencil (cons (* mag -0.00) (* mag -0.07))))
-          ;((= num 7)
-          ;    (ly:stencil-translate stencil (cons (* mag -0.00) (* mag -0.15))))
-          (else stencil))
-    (cond ((= num 6)
-              (ly:stencil-translate stencil (cons (* mag -0.00) (* mag 0.15))))
-          ;((= num 8)
-          ;    (ly:stencil-translate stencil (cons (* mag -0.00) (* mag -0.15))))
-          (else stencil))
+      (cond ((= num 2)
+             (ly:stencil-translate stencil (cons (* mag -0.00) (* mag 0.2))))
+            ((= num 3)
+             (ly:stencil-translate stencil (cons (* mag -0.00) (* mag 0.2))))
+                                        ;((= num 5)
+                                        ;(ly:stencil-translate stencil (cons (* mag -0.00) (* mag -0.07))))
+                                        ;((= num 7)
+                                        ;    (ly:stencil-translate stencil (cons (* mag -0.00) (* mag -0.15))))
+            (else stencil))
+      (cond ((= num 6)
+             (ly:stencil-translate stencil (cons (* mag -0.00) (* mag 0.15))))
+                                        ;((= num 8)
+                                        ;    (ly:stencil-translate stencil (cons (* mag -0.00) (* mag -0.15))))
+            (else stencil))
+      )
   )
-)
 
 (define (slashed-digit-internal layout props num forward font-size thickness)
   (let* ((mag (magstep font-size))
          (thickness (* mag
                        (ly:output-def-lookup layout 'line-thickness)
                        thickness))
-         ; backward slashes might use slope and point in the other direction!
+                                        ; backward slashes might use slope and point in the other direction!
          (dy (* mag (if forward 0.4 -0.4)))
          (number-stencil (interpret-markup layout
                                            (prepend-alist-chain 'font-encoding 'fetaText props)
                                            (number->string num)))
          (num-x (horizontal-slash-interval num forward (ly:stencil-extent number-stencil X) mag))
          (center (interval-center (ly:stencil-extent number-stencil Y)))
-         ; Use the real extents of the slash, not the whole number, because we
-         ; might translate the slash later on!
+                                        ; Use the real extents of the slash, not the whole number, because we
+                                        ; might translate the slash later on!
          (num-y (interval-widen (cons center center) (abs dy)))
          (is-sane (and (interval-sane? num-x) (interval-sane? num-y)))
          (slash-stencil (if is-sane
                             (make-line-stencil thickness
-                                         (car num-x) (- (interval-center num-y) dy)
-                                         (cdr num-x) (+ (interval-center num-y) dy))
+                                               (car num-x) (- (interval-center num-y) dy)
+                                               (cdr num-x) (+ (interval-center num-y) dy))
                             #f)))
     (if (ly:stencil? slash-stencil)
-      (begin
-        ; for some numbers we need to shift the slash/backslash up or down to make
-        ; the slashed digit look better
-        (set! slash-stencil (adjust-slash-stencil num forward slash-stencil mag))
-        (set! number-stencil
-          (ly:stencil-add number-stencil slash-stencil)))
-      (ly:warning "Unable to create slashed digit ~a" num))
+        (begin
+                                        ; for some numbers we need to shift the slash/backslash up or down to make
+                                        ; the slashed digit look better
+          (set! slash-stencil (adjust-slash-stencil num forward slash-stencil mag))
+          (set! number-stencil
+                (ly:stencil-add number-stencil slash-stencil)))
+        (ly:warning "Unable to create slashed digit ~a" num))
     number-stencil))
 
 
@@ -3099,7 +3099,7 @@ and continue with double letters.
   (integer?)
   #:category other
   #:properties ((font-size 0)
-		(thickness 1.6))
+                (thickness 1.6))
   "
 @cindex slashed digits
 
@@ -3119,7 +3119,7 @@ figured bass notation.
   (integer?)
   #:category other
   #:properties ((font-size 0)
-		(thickness 1.6))
+                (thickness 1.6))
   "
 @cindex backslashed digits
 
@@ -3167,8 +3167,8 @@ figured bass notation.
 \\markup { \\eyeglasses }
 @end lilypond"
   (interpret-markup layout props
-    (make-override-markup '(line-cap-style . butt)
-      (make-path-markup 0.15 eyeglassespath))))
+                    (make-override-markup '(line-cap-style . butt)
+                                          (make-path-markup 0.15 eyeglassespath))))
 
 (define-markup-command (left-brace layout props size)
   (number?)
@@ -3187,28 +3187,28 @@ A feta brace in point size @var{size}.
                                   (cons '((font-encoding . fetaBraces)
                                           (font-name . #f))
                                         props)))
-	 (glyph-count (1- (ly:otf-glyph-count font)))
+         (glyph-count (1- (ly:otf-glyph-count font)))
          (scale (ly:output-def-lookup layout 'output-scale))
          (scaled-size (/ (ly:pt size) scale))
          (glyph (lambda (n)
                   (ly:font-get-glyph font (string-append "brace"
-							 (number->string n)))))
-	 (get-y-from-brace (lambda (brace)
-			     (interval-length
-			      (ly:stencil-extent (glyph brace) Y))))
+                                                         (number->string n)))))
+         (get-y-from-brace (lambda (brace)
+                             (interval-length
+                              (ly:stencil-extent (glyph brace) Y))))
          (find-brace (binary-search 0 glyph-count get-y-from-brace scaled-size))
          (glyph-found (glyph find-brace)))
 
     (if (or (null? (ly:stencil-expr glyph-found))
-	    (< scaled-size (interval-length (ly:stencil-extent (glyph 0) Y)))
-	    (> scaled-size (interval-length
-			    (ly:stencil-extent (glyph glyph-count) Y))))
+            (< scaled-size (interval-length (ly:stencil-extent (glyph 0) Y)))
+            (> scaled-size (interval-length
+                            (ly:stencil-extent (glyph glyph-count) Y))))
         (begin
           (ly:warning (_ "no brace found for point size ~S ") size)
           (ly:warning (_ "defaulting to ~S pt")
-		      (/ (* scale (interval-length
-				   (ly:stencil-extent glyph-found Y)))
-			 (ly:pt 1)))))
+                      (/ (* scale (interval-length
+                                   (ly:stencil-extent glyph-found Y)))
+                         (ly:pt 1)))))
     glyph-found))
 
 (define-markup-command (right-brace layout props size)
@@ -3256,94 +3256,94 @@ Supported flag-styles are @code{default}, @code{old-straight-flag} and
 @end lilypond"
   (define (get-glyph-name-candidates dir log style)
     (map (lambda (dir-name)
-                   (format #f "noteheads.~a~a" dir-name
-                                   (if (and (symbol? style)
-                                            (not (equal? 'default style)))
-                                       (select-head-glyph style (min log 2))
-                                       (min log 2))))
-                 (list (if (= dir UP) "u" "d")
-                       "s")))
+           (format #f "noteheads.~a~a" dir-name
+                   (if (and (symbol? style)
+                            (not (equal? 'default style)))
+                       (select-head-glyph style (min log 2))
+                       (min log 2))))
+         (list (if (= dir UP) "u" "d")
+               "s")))
 
   (define (get-glyph-name font cands)
     (if (null? cands)
-                ""
-                (if (ly:stencil-empty? (ly:font-get-glyph font (car cands)))
-                    (get-glyph-name font (cdr cands))
-                    (car cands))))
+        ""
+        (if (ly:stencil-empty? (ly:font-get-glyph font (car cands)))
+            (get-glyph-name font (cdr cands))
+            (car cands))))
 
   (define (buildflags flag-stencil remain curr-stencil spacing)
-     ;; Function to recursively create a stencil with @code{remain} flags
-     ;; from the single-flag stencil @code{curr-stencil}, which is already
-     ;; translated to the position of the previous flag position.
-     ;;
-     ;; Copy and paste from /scm/flag-styles.scm
+    ;; Function to recursively create a stencil with @code{remain} flags
+    ;; from the single-flag stencil @code{curr-stencil}, which is already
+    ;; translated to the position of the previous flag position.
+    ;;
+    ;; Copy and paste from /scm/flag-styles.scm
     (if (> remain 0)
         (let* ((translated-stencil
-                 (ly:stencil-translate-axis curr-stencil spacing Y))
+                (ly:stencil-translate-axis curr-stencil spacing Y))
                (new-stencil (ly:stencil-add flag-stencil translated-stencil)))
           (buildflags new-stencil (- remain 1) translated-stencil spacing))
         flag-stencil))
 
   (define (straight-flag-mrkp flag-thickness flag-spacing
-                                upflag-angle upflag-length
-                                downflag-angle downflag-length
-                                dir)
-  ;; Create a stencil for a straight flag.  @var{flag-thickness} and
-  ;; @var{flag-spacing} are given in staff spaces, @var{upflag-angle} and
-  ;; @var{downflag-angle} are given in degrees, and @var{upflag-length} and
-  ;; @var{downflag-length} are given in staff spaces.
-  ;;
-  ;; All lengths are scaled according to the font size of the note.
-  ;;
-  ;; From /scm/flag-styles.scm, modified to fit here.
-
-      (let* ((stem-up (> dir 0))
-             ; scale with the note size
-             (factor (magstep font-size))
-             (stem-thickness (* factor 0.1))
-             (line-thickness (ly:output-def-lookup layout 'line-thickness))
-             (half-stem-thickness (/ (* stem-thickness line-thickness) 2))
-             (raw-length (if stem-up upflag-length downflag-length))
-             (angle (if stem-up upflag-angle downflag-angle))
-             (flag-length (+ (* raw-length factor) half-stem-thickness))
-             (flag-end (polar->rectangular flag-length angle))
-             (thickness (* flag-thickness factor))
-             (thickness-offset (cons 0 (* -1 thickness dir)))
-             (spacing (* -1 flag-spacing factor dir))
-             (start (cons (- half-stem-thickness) (* half-stem-thickness dir)))
-             ; The points of a round-filled-polygon need to be given in
-             ; clockwise order, otherwise the polygon will be enlarged by
-             ; blot-size*2!
-             (points (if stem-up (list start flag-end
-                                       (offset-add flag-end thickness-offset)
-                                       (offset-add start thickness-offset))
-                                 (list start
-                                       (offset-add start thickness-offset)
-                                       (offset-add flag-end thickness-offset)
-                                       flag-end)))
-             (stencil (ly:round-filled-polygon points half-stem-thickness))
-             ; Log for 1/8 is 3, so we need to subtract 3
-             (flag-stencil (buildflags stencil (- log 3) stencil spacing)))
-        flag-stencil))
+                              upflag-angle upflag-length
+                              downflag-angle downflag-length
+                              dir)
+    ;; Create a stencil for a straight flag.  @var{flag-thickness} and
+    ;; @var{flag-spacing} are given in staff spaces, @var{upflag-angle} and
+    ;; @var{downflag-angle} are given in degrees, and @var{upflag-length} and
+    ;; @var{downflag-length} are given in staff spaces.
+    ;;
+    ;; All lengths are scaled according to the font size of the note.
+    ;;
+    ;; From /scm/flag-styles.scm, modified to fit here.
+
+    (let* ((stem-up (> dir 0))
+                                        ; scale with the note size
+           (factor (magstep font-size))
+           (stem-thickness (* factor 0.1))
+           (line-thickness (ly:output-def-lookup layout 'line-thickness))
+           (half-stem-thickness (/ (* stem-thickness line-thickness) 2))
+           (raw-length (if stem-up upflag-length downflag-length))
+           (angle (if stem-up upflag-angle downflag-angle))
+           (flag-length (+ (* raw-length factor) half-stem-thickness))
+           (flag-end (polar->rectangular flag-length angle))
+           (thickness (* flag-thickness factor))
+           (thickness-offset (cons 0 (* -1 thickness dir)))
+           (spacing (* -1 flag-spacing factor dir))
+           (start (cons (- half-stem-thickness) (* half-stem-thickness dir)))
+                                        ; The points of a round-filled-polygon need to be given in
+                                        ; clockwise order, otherwise the polygon will be enlarged by
+                                        ; blot-size*2!
+           (points (if stem-up (list start flag-end
+                                     (offset-add flag-end thickness-offset)
+                                     (offset-add start thickness-offset))
+                       (list start
+                             (offset-add start thickness-offset)
+                             (offset-add flag-end thickness-offset)
+                             flag-end)))
+           (stencil (ly:round-filled-polygon points half-stem-thickness))
+                                        ; Log for 1/8 is 3, so we need to subtract 3
+           (flag-stencil (buildflags stencil (- log 3) stencil spacing)))
+      flag-stencil))
 
   (let* ((font (ly:paper-get-font layout (cons '((font-encoding . fetaMusic))
-                                                 props)))
+                                               props)))
          (size-factor (magstep font-size))
          (blot (ly:output-def-lookup layout 'blot-diameter))
          (head-glyph-name
-           (let ((result (get-glyph-name font
-                           (get-glyph-name-candidates
-                             (sign dir) log style))))
-             (if (string-null? result)
-                 ;; If no glyph name can be found, select default heads.
-                 ;; Though this usually means an unsupported style has been
-                 ;; chosen, it also prevents unrelated 'style settings from
-                 ;; other grobs (e.g., TextSpanner and TimeSignature) leaking
-                 ;; into markup.
-                 (get-glyph-name font
-                   (get-glyph-name-candidates
-                     (sign dir) log 'default))
-                 result)))
+          (let ((result (get-glyph-name font
+                                        (get-glyph-name-candidates
+                                         (sign dir) log style))))
+            (if (string-null? result)
+                ;; If no glyph name can be found, select default heads.
+                ;; Though this usually means an unsupported style has been
+                ;; chosen, it also prevents unrelated 'style settings from
+                ;; other grobs (e.g., TextSpanner and TimeSignature) leaking
+                ;; into markup.
+                (get-glyph-name font
+                                (get-glyph-name-candidates
+                                 (sign dir) log 'default))
+                result)))
          (head-glyph (ly:font-get-glyph font head-glyph-name))
          (ancient-flags? (or (eq? style 'mensural) (eq? style 'neomensural)))
          (attach-indices (ly:note-head::stem-attachment font head-glyph-name))
@@ -3352,9 +3352,9 @@ Supported flag-styles are @code{default}, @code{old-straight-flag} and
          (stem-thickness (* size-factor (if ancient-flags? 0.1 0.13)))
          (stemy (* dir stem-length))
          (attach-off (cons (interval-index
-                             (ly:stencil-extent head-glyph X)
-                             (* (sign dir) (car attach-indices)))
-                           ; fixme, this is inconsistent between X & Y.
+                            (ly:stencil-extent head-glyph X)
+                            (* (sign dir) (car attach-indices)))
+                                        ; fixme, this is inconsistent between X & Y.
                            (* (sign dir)
                               (interval-index
                                (ly:stencil-extent head-glyph Y)
@@ -3364,12 +3364,12 @@ Supported flag-styles are @code{default}, @code{old-straight-flag} and
          (stem-X-corr (if ancient-flags? (* 0.5 dir stem-thickness) 0))
          (stem-glyph (and (> log 0)
                           (ly:round-filled-box
-                            (ordered-cons (+ stem-X-corr (car attach-off))
-                                  (+ stem-X-corr (car attach-off)
-                                     (* (- (sign dir)) stem-thickness)))
-                            (cons (min stemy (cdr attach-off))
-                                  (max stemy (cdr attach-off)))
-                            (/ stem-thickness 3))))
+                           (ordered-cons (+ stem-X-corr (car attach-off))
+                                         (+ stem-X-corr (car attach-off)
+                                            (* (- (sign dir)) stem-thickness)))
+                           (cons (min stemy (cdr attach-off))
+                                 (max stemy (cdr attach-off)))
+                           (/ stem-thickness 3))))
          (dot (ly:font-get-glyph font "dots.dot"))
          (dotwid (interval-length (ly:stencil-extent dot X)))
          (dots (and (> dot-count 0)
@@ -3389,34 +3389,34 @@ Supported flag-styles are @code{default}, @code{old-straight-flag} and
                                 0))
          (flaggl (and (> log 2)
                       (ly:stencil-translate
-                        (cond ((eq? flag-style 'modern-straight-flag)
-                               modern-straight-flag)
-                              ((eq? flag-style 'old-straight-flag)
-                               old-straight-flag)
-                              (else
-                               (ly:font-get-glyph font
-                                 (format #f (if ancient-flags?
-                                                "flags.mensural~a2~a"
-                                                "flags.~a~a")
-                                            (if (> dir 0) "u" "d")
-                                            log))))
-                        (cons (+ (car attach-off)
-                                 ;; For tighter stems (with ancient-flags) the
-                                 ;; flag has to be adjusted different.
-                                 (if (and (not ancient-flags?) (< dir 0))
-                                     stem-thickness
-                                     0))
-                              (+ stemy flag-style-Y-corr))))))
+                       (cond ((eq? flag-style 'modern-straight-flag)
+                              modern-straight-flag)
+                             ((eq? flag-style 'old-straight-flag)
+                              old-straight-flag)
+                             (else
+                              (ly:font-get-glyph font
+                                                 (format #f (if ancient-flags?
+                                                                "flags.mensural~a2~a"
+                                                                "flags.~a~a")
+                                                         (if (> dir 0) "u" "d")
+                                                         log))))
+                       (cons (+ (car attach-off)
+                                ;; For tighter stems (with ancient-flags) the
+                                ;; flag has to be adjusted different.
+                                (if (and (not ancient-flags?) (< dir 0))
+                                    stem-thickness
+                                    0))
+                             (+ stemy flag-style-Y-corr))))))
 
     ;; If there is a flag on an upstem and the stem is short, move the dots
     ;; to avoid the flag.  16th notes get a special case because their flags
     ;; hang lower than any other flags.
     ;; Not with ancient flags or straight-flags.
     (if (and dots (> dir 0) (> log 2)
-                     (or (eq? flag-style 'default) (null? flag-style))
-                     (not ancient-flags?)
-                     (or (< dir 1.15) (and (= log 4) (< dir 1.3))))
-                (set! dots (ly:stencil-translate-axis dots 0.5 X)))
+             (or (eq? flag-style 'default) (null? flag-style))
+             (not ancient-flags?)
+             (or (< dir 1.15) (and (= log 4) (< dir 1.3))))
+        (set! dots (ly:stencil-translate-axis dots 0.5 X)))
     (if flaggl
         (set! stem-glyph (ly:stencil-add flaggl stem-glyph)))
     (if (ly:stencil? stem-glyph)
@@ -3425,11 +3425,11 @@ Supported flag-styles are @code{default}, @code{old-straight-flag} and
     (if (ly:stencil? dots)
         (set! stem-glyph
               (ly:stencil-add
-                (ly:stencil-translate-axis
-                  dots
-                  (+ (cdr (ly:stencil-extent head-glyph X)) dotwid)
-                  X)
-                stem-glyph)))
+               (ly:stencil-translate-axis
+                dots
+                (+ (cdr (ly:stencil-extent head-glyph X)) dotwid)
+                X)
+               stem-glyph)))
     stem-glyph))
 
 (define-public log2
@@ -3506,44 +3506,44 @@ A rest or multi-measure-rest symbol.
            ;; If no glyph exists, select others for the specified styles
            ;; otherwise defaulting.
            (style-strg
-             (cond (
+            (cond (
                    ;; 'baroque needs to be special-cased, otherwise
                    ;; `select-head-glyph´ would catch neomensural-glyphs for
                    ;; this style, if (< log 0).
                    (eq? style 'baroque)
-                    (string-append (number->string log) ""))
-                   ((eq? style 'petrucci)
-                    (string-append (number->string log) "mensural"))
-                    ;; In other cases `select-head-glyph´ from output-lib.scm
-                    ;; works for rest-glyphs, too.
-                   ((and (symbol? style) (not (eq? style 'default)))
-                    (select-head-glyph style log))
-                   (else log)))
+                   (string-append (number->string log) ""))
+                  ((eq? style 'petrucci)
+                   (string-append (number->string log) "mensural"))
+                  ;; In other cases `select-head-glyph´ from output-lib.scm
+                  ;; works for rest-glyphs, too.
+                  ((and (symbol? style) (not (eq? style 'default)))
+                   (select-head-glyph style log))
+                  (else log)))
            ;; Choose ledgered glyphs for whole and half rest.
            ;; Except for the specified styles, logs and MultiMeasureRests.
            (ledger-style-rests
-             (if (and (or (list? style)
-                          (not (member style
-                                  '(neomensural mensural petrucci))))
-                      (not multi-measure-rest)
-                      (or (= log 0) (= log 1)))
+            (if (and (or (list? style)
+                         (not (member style
+                                      '(neomensural mensural petrucci))))
+                     (not multi-measure-rest)
+                     (or (= log 0) (= log 1)))
                 "o"
                 "")))
       (format #f "rests.~a~a" style-strg ledger-style-rests)))
 
   (define (get-glyph-name font cands)
-     (if (ly:stencil-empty? (ly:font-get-glyph font cands))
+    (if (ly:stencil-empty? (ly:font-get-glyph font cands))
         ""
         cands))
 
   (let* ((font
-           (ly:paper-get-font layout
-             (cons '((font-encoding . fetaMusic)) props)))
+          (ly:paper-get-font layout
+                             (cons '((font-encoding . fetaMusic)) props)))
          (rest-glyph-name
-            (let ((result
-                    (get-glyph-name font
-                      (get-glyph-name-candidates log style))))
-              (if (string-null? result)
+          (let ((result
+                 (get-glyph-name font
+                                 (get-glyph-name-candidates log style))))
+            (if (string-null? result)
                 ;; If no glyph name can be found, select default rests.  Though
                 ;; this usually means an unsupported style has been chosen, it
                 ;; also prevents unrelated 'style settings from other grobs
@@ -3567,7 +3567,7 @@ A rest or multi-measure-rest symbol.
              (< log 2)
              (>= log 0)
              (not (member style '(neomensural mensural petrucci))))
-       (set! dots (ly:stencil-translate-axis dots dot-width X)))
+        (set! dots (ly:stencil-translate-axis dots dot-width X)))
 
     ;; Add dots to the rest-glyph.
     ;;
@@ -3581,13 +3581,13 @@ A rest or multi-measure-rest symbol.
         (set! rest-glyph
               (ly:stencil-add
                (ly:stencil-translate
-                   dots
-                        (cons
-                           (+ (cdr (ly:stencil-extent rest-glyph X)) dot-width)
-                           (if (< log 2)
-                             (interval-center (ly:stencil-extent rest-glyph Y))
-                             (- (interval-end (ly:stencil-extent rest-glyph Y))
-                                (/ (* 2 dot-width) 3)))))
+                dots
+                (cons
+                 (+ (cdr (ly:stencil-extent rest-glyph X)) dot-width)
+                 (if (< log 2)
+                     (interval-center (ly:stencil-extent rest-glyph Y))
+                     (- (interval-end (ly:stencil-extent rest-glyph Y))
+                        (/ (* 2 dot-width) 3)))))
                rest-glyph)))
     rest-glyph))
 
@@ -3631,14 +3631,14 @@ Could be disabled with @code{\\override #'(multi-measure-rest-number . #f)}
   ;; Store them in a list.
   ;; example: (mmr-numbers 25) -> '(3 0 0 1)
   (define (mmr-numbers nmbr)
-      (let* ((8-bar-glyph (floor (/ nmbr 8)))
-             (8-remainder (remainder nmbr 8))
-             (4-bar-glyph (floor (/ 8-remainder 4)))
-             (4-remainder (remainder nmbr 4))
-             (2-bar-glyph (floor (/ 4-remainder 2)))
-             (2-remainder (remainder 4-remainder 2))
-             (1-bar-glyph (floor (/ 2-remainder 1))))
-       (list 8-bar-glyph 4-bar-glyph 2-bar-glyph 1-bar-glyph)))
+    (let* ((8-bar-glyph (floor (/ nmbr 8)))
+           (8-remainder (remainder nmbr 8))
+           (4-bar-glyph (floor (/ 8-remainder 4)))
+           (4-remainder (remainder nmbr 4))
+           (2-bar-glyph (floor (/ 4-remainder 2)))
+           (2-remainder (remainder 4-remainder 2))
+           (1-bar-glyph (floor (/ 2-remainder 1))))
+      (list 8-bar-glyph 4-bar-glyph 2-bar-glyph 1-bar-glyph)))
 
   ;; Get the correct mmr-glyphs.
   ;; Store them in a list.
@@ -3646,93 +3646,93 @@ Could be disabled with @code{\\override #'(multi-measure-rest-number . #f)}
   ;; (get-mmr-glyphs '(1 0 1 0) '("rests.M3" "rests.M2" "rests.M1" "rests.0"))
   ;; -> ("rests.M3" "rests.M1")
   (define (get-mmr-glyphs lst1 lst2)
-     (define (helper l1 l2 l3)
-        (if (null? l1)
-           (reverse l3)
-           (helper (cdr l1)
-                   (cdr l2)
-                   (append (make-list (car l1) (car l2)) l3))))
-      (helper lst1 lst2 '()))
+    (define (helper l1 l2 l3)
+      (if (null? l1)
+          (reverse l3)
+          (helper (cdr l1)
+                  (cdr l2)
+                  (append (make-list (car l1) (car l2)) l3))))
+    (helper lst1 lst2 '()))
 
   ;; If duration is not valid, print a warning and return empty-stencil
   (if (or (and (not (integer? (car (parse-simple-duration duration))))
                (not multi-measure-rest))
           (and (= (string-length (car (string-split duration #\. ))) 1)
                (= (string->number (car (string-split duration #\. ))) 0)))
-    (begin
-      (ly:warning (_ "not a valid duration string: ~a - ignoring") duration)
-      empty-stencil)
-    (let* (
-       ;; For simple rests:
-           ;; Get a (log dots) list.
-           (parsed (parse-simple-duration duration))
-           ;; Create the rest-stencil
-           (stil
+      (begin
+        (ly:warning (_ "not a valid duration string: ~a - ignoring") duration)
+        empty-stencil)
+      (let* (
+             ;; For simple rests:
+             ;; Get a (log dots) list.
+             (parsed (parse-simple-duration duration))
+             ;; Create the rest-stencil
+             (stil
               (rest-by-number-markup layout props (car parsed) (cadr parsed)))
-       ;; For MultiMeasureRests:
-           ;; Get the duration-part of duration
-           (dur-part-string (car (string-split duration #\. )))
-           ;; Get the duration of MMR:
-           ;; If not a number (eg. "maxima") calculate it.
-           (mmr-duration
-             (or (string->number dur-part-string) (expt 2 (abs (car parsed)))))
-           ;; Get a list of the correct number of each mmr-glyph.
-           (count-mmr-glyphs-list (mmr-numbers mmr-duration))
-           ;; Create a list of mmr-stencils,
-           ;; translating the glyph for a whole rest.
-           (mmr-stils-list
+             ;; For MultiMeasureRests:
+             ;; Get the duration-part of duration
+             (dur-part-string (car (string-split duration #\. )))
+             ;; Get the duration of MMR:
+             ;; If not a number (eg. "maxima") calculate it.
+             (mmr-duration
+              (or (string->number dur-part-string) (expt 2 (abs (car parsed)))))
+             ;; Get a list of the correct number of each mmr-glyph.
+             (count-mmr-glyphs-list (mmr-numbers mmr-duration))
+             ;; Create a list of mmr-stencils,
+             ;; translating the glyph for a whole rest.
+             (mmr-stils-list
               (map
-                 (lambda (x)
-                    (let ((single-mmr-stil
-                            (rest-by-number-markup layout props (* -1 x) 0)))
-                       (if (= x 0)
-                          (ly:stencil-translate-axis
-                            single-mmr-stil
-                            ;; Ugh, hard-coded, why 1?
-                            1
-                            Y)
-                           single-mmr-stil)))
-                 (get-mmr-glyphs count-mmr-glyphs-list (reverse (iota 4)))))
-            ;; Adjust the space between the mmr-glyphs,
-            ;; if not default-glyphs are used.
-            (word-space (if (member style
-                                    '(neomensural mensural petrucci))
-                           (/ (* word-space 2) 3)
-                           word-space))
-            ;; Create the final mmr-stencil
-            ;; via `stack-stencil-line´ from /scm/markup.scm
-            (mmr-stil (stack-stencil-line word-space mmr-stils-list)))
-
-      ;; Print the number above a multi-measure-rest
-      ;; Depends on duration, style and multi-measure-rest-number set #t
-      (if (and multi-measure-rest
-               multi-measure-rest-number
-               (> mmr-duration 1)
-               (not (member style '(neomensural mensural petrucci))))
-         (let* ((mmr-stil-x-center
-                   (interval-center (ly:stencil-extent mmr-stil X)))
-                (duration-markup
-                   (markup
-                      #:fontsize -2
-                      #:override '(font-encoding . fetaText)
-                      (number->string mmr-duration)))
-                (mmr-number-stil
-                   (interpret-markup layout props duration-markup))
-                (mmr-number-stil-x-center
-                   (interval-center (ly:stencil-extent mmr-number-stil X))))
-
-         (set! mmr-stil (ly:stencil-combine-at-edge
-                           mmr-stil
-                           Y UP
-                           (ly:stencil-translate-axis
-                              mmr-number-stil
-                              (- mmr-stil-x-center mmr-number-stil-x-center)
-                              X)
-                           ;; Ugh, hardcoded
-                           0.8))))
-    (if multi-measure-rest
-       mmr-stil
-       stil))))
+               (lambda (x)
+                 (let ((single-mmr-stil
+                        (rest-by-number-markup layout props (* -1 x) 0)))
+                   (if (= x 0)
+                       (ly:stencil-translate-axis
+                        single-mmr-stil
+                        ;; Ugh, hard-coded, why 1?
+                        1
+                        Y)
+                       single-mmr-stil)))
+               (get-mmr-glyphs count-mmr-glyphs-list (reverse (iota 4)))))
+             ;; Adjust the space between the mmr-glyphs,
+             ;; if not default-glyphs are used.
+             (word-space (if (member style
+                                     '(neomensural mensural petrucci))
+                             (/ (* word-space 2) 3)
+                             word-space))
+             ;; Create the final mmr-stencil
+             ;; via `stack-stencil-line´ from /scm/markup.scm
+             (mmr-stil (stack-stencil-line word-space mmr-stils-list)))
+
+        ;; Print the number above a multi-measure-rest
+        ;; Depends on duration, style and multi-measure-rest-number set #t
+        (if (and multi-measure-rest
+                 multi-measure-rest-number
+                 (> mmr-duration 1)
+                 (not (member style '(neomensural mensural petrucci))))
+            (let* ((mmr-stil-x-center
+                    (interval-center (ly:stencil-extent mmr-stil X)))
+                   (duration-markup
+                    (markup
+                     #:fontsize -2
+                     #:override '(font-encoding . fetaText)
+                     (number->string mmr-duration)))
+                   (mmr-number-stil
+                    (interpret-markup layout props duration-markup))
+                   (mmr-number-stil-x-center
+                    (interval-center (ly:stencil-extent mmr-number-stil X))))
+
+              (set! mmr-stil (ly:stencil-combine-at-edge
+                              mmr-stil
+                              Y UP
+                              (ly:stencil-translate-axis
+                               mmr-number-stil
+                               (- mmr-stil-x-center mmr-number-stil-x-center)
+                               X)
+                              ;; Ugh, hardcoded
+                              0.8))))
+        (if multi-measure-rest
+            mmr-stil
+            stil))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; translating.
@@ -3756,7 +3756,7 @@ A negative @var{amount} indicates raising; see also @code{\\raise}.
 }
 @end lilypond"
   (ly:stencil-translate-axis (interpret-markup layout props arg)
-			     (- amount) Y))
+                             (- amount) Y))
 
 (define-markup-command (translate-scaled layout props offset arg)
   (number-pair? markup?)
@@ -3843,9 +3843,9 @@ Make a fraction of two markups.
            ;; should stack mols separately, to maintain LINE on baseline
            (stack (stack-lines DOWN padding baseline (list m1 line m2))))
       (set! stack
-	    (ly:stencil-aligned-to stack Y CENTER))
+            (ly:stencil-aligned-to stack Y CENTER))
       (set! stack
-	    (ly:stencil-aligned-to stack X LEFT))
+            (ly:stencil-aligned-to stack X LEFT))
       ;; should have EX dimension
       ;; empirical anyway
       (ly:stencil-translate-axis stack offset Y))))
@@ -3875,7 +3875,7 @@ Set @var{arg} in superscript with a normal font size.
   (markup?)
   #:category font
   #:properties ((font-size 0)
-		(baseline-skip))
+                (baseline-skip))
   "
 @cindex superscript text
 
@@ -3916,13 +3916,13 @@ is a pair of numbers representing the displacement in the X and Y axis.
 }
 @end lilypond"
   (ly:stencil-translate (interpret-markup layout props arg)
-			offset))
+                        offset))
 
 (define-markup-command (sub layout props arg)
   (markup?)
   #:category font
   #:properties ((font-size 0)
-		(baseline-skip))
+                (baseline-skip))
   "
 @cindex subscript text
 
@@ -4017,10 +4017,10 @@ Draw vertical brackets around @var{arg}.
   (markup?)
   #:category graphic
   #:properties ((angularity 0)
-		(padding)
-		(size 1)
-		(thickness 1)
-		(width 0.25))
+                (padding)
+                (size 1)
+                (thickness 1)
+                (width 0.25))
   "
 @cindex placing parentheses around text
 
@@ -4048,14 +4048,14 @@ a column containing several lines of text.
 }
 @end lilypond"
   (let* ((markup (interpret-markup layout props arg))
-	 (scaled-width (* size width))
-	 (scaled-thickness
-	  (* (chain-assoc-get 'line-thickness props 0.1)
-	     thickness))
-	 (half-thickness
-	  (min (* size 0.5 scaled-thickness)
-	       (* (/ 4 3.0) scaled-width)))
-	 (padding (chain-assoc-get 'padding props half-thickness)))
+         (scaled-width (* size width))
+         (scaled-thickness
+          (* (chain-assoc-get 'line-thickness props 0.1)
+             thickness))
+         (half-thickness
+          (min (* size 0.5 scaled-thickness)
+               (* (/ 4 3.0) scaled-width)))
+         (padding (chain-assoc-get 'padding props half-thickness)))
     (parenthesize-stencil
      markup half-thickness scaled-width angularity padding)))
 
@@ -4075,21 +4075,21 @@ page (using the @code{\\label} command), @var{gauge} a markup used to estimate
 the maximum width of the page number, and @var{default} the value to display
 when @var{label} is not found."
   (let* ((gauge-stencil (interpret-markup layout props gauge))
-	 (x-ext (ly:stencil-extent gauge-stencil X))
-	 (y-ext (ly:stencil-extent gauge-stencil Y)))
+         (x-ext (ly:stencil-extent gauge-stencil X))
+         (y-ext (ly:stencil-extent gauge-stencil Y)))
     (ly:make-stencil
      `(delay-stencil-evaluation
        ,(delay (ly:stencil-expr
-		(let* ((table (ly:output-def-lookup layout 'label-page-table))
-		       (page-number (if (list? table)
-		                        (assoc-get label table)
-					#f))
-		       (page-markup (if page-number (format #f "~a" page-number) default))
-		       (page-stencil (interpret-markup layout props page-markup))
-		       (gap (- (interval-length x-ext)
-			       (interval-length (ly:stencil-extent page-stencil X)))))
-		  (interpret-markup layout props
-				    (markup #:hspace gap page-markup))))))
+                (let* ((table (ly:output-def-lookup layout 'label-page-table))
+                       (page-number (if (list? table)
+                                        (assoc-get label table)
+                                        #f))
+                       (page-markup (if page-number (format #f "~a" page-number) default))
+                       (page-stencil (interpret-markup layout props page-markup))
+                       (gap (- (interval-length x-ext)
+                               (interval-length (ly:stencil-extent page-stencil X)))))
+                  (interpret-markup layout props
+                                    (markup #:hspace gap page-markup))))))
      x-ext
      y-ext)))
 
@@ -4119,8 +4119,8 @@ Negative values may be used to produce mirror images.
 }
 @end lilypond"
   (let ((stil (interpret-markup layout props arg))
-	(sx (car factor-pair))
-	(sy (cdr factor-pair)))
+        (sx (car factor-pair))
+        (sy (cdr factor-pair)))
     (ly:stencil-scale stil sx sy)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -4145,20 +4145,20 @@ Patterns are distributed on @var{axis}.
 }
 @end lilypond"
   (let ((pattern-width (interval-length
-                         (ly:stencil-extent (interpret-markup layout props pattern) X)))
+                        (ly:stencil-extent (interpret-markup layout props pattern) X)))
         (new-props (prepend-alist-chain 'word-space 0 (prepend-alist-chain 'baseline-skip 0 props))))
     (let loop ((i (1- count)) (patterns (markup)))
       (if (zero? i)
           (interpret-markup
-            layout
-            new-props
-            (if (= axis X)
-                (markup patterns pattern)
-                (markup #:column (patterns pattern))))
+           layout
+           new-props
+           (if (= axis X)
+               (markup patterns pattern)
+               (markup #:column (patterns pattern))))
           (loop (1- i)
-            (if (= axis X)
-                (markup patterns pattern #:hspace space)
-                (markup #:column (patterns pattern #:vspace space))))))))
+                (if (= axis X)
+                    (markup patterns pattern #:hspace space)
+                    (markup #:column (patterns pattern #:vspace space))))))))
 
 (define-markup-command (fill-with-pattern layout props space dir pattern left right)
   (number? ly:dir? markup? markup? markup?)
@@ -4230,29 +4230,29 @@ The @code{key} is the string to be replaced by the @code{value} string.
 
 (define-public (space-lines baseline stils)
   (let space-stil ((stils stils)
-		   (result (list)))
+                   (result (list)))
     (if (null? stils)
-	(reverse! result)
-	(let* ((stil (car stils))
-	       (dy-top (max (- (/ baseline 1.5)
-			       (interval-bound (ly:stencil-extent stil Y) UP))
-			    0.0))
-	       (dy-bottom (max (+ (/ baseline 3.0)
-				  (interval-bound (ly:stencil-extent stil Y) DOWN))
-			       0.0))
-	       (new-stil (ly:make-stencil
-			  (ly:stencil-expr stil)
-			  (ly:stencil-extent stil X)
-			  (cons (- (interval-bound (ly:stencil-extent stil Y) DOWN)
-				   dy-bottom)
-				(+ (interval-bound (ly:stencil-extent stil Y) UP)
-				   dy-top)))))
-	  (space-stil (cdr stils) (cons new-stil result))))))
+        (reverse! result)
+        (let* ((stil (car stils))
+               (dy-top (max (- (/ baseline 1.5)
+                               (interval-bound (ly:stencil-extent stil Y) UP))
+                            0.0))
+               (dy-bottom (max (+ (/ baseline 3.0)
+                                  (interval-bound (ly:stencil-extent stil Y) DOWN))
+                               0.0))
+               (new-stil (ly:make-stencil
+                          (ly:stencil-expr stil)
+                          (ly:stencil-extent stil X)
+                          (cons (- (interval-bound (ly:stencil-extent stil Y) DOWN)
+                                   dy-bottom)
+                                (+ (interval-bound (ly:stencil-extent stil Y) UP)
+                                   dy-top)))))
+          (space-stil (cdr stils) (cons new-stil result))))))
 
 (define-markup-list-command (justified-lines layout props args)
   (markup-list?)
   #:properties ((baseline-skip)
-		wordwrap-internal-markup-list)
+                wordwrap-internal-markup-list)
   "
 @cindex justifying lines of text
 
@@ -4266,7 +4266,7 @@ Use @code{\\override-lines #'(line-width . @var{X})} to set the line width;
 (define-markup-list-command (wordwrap-lines layout props args)
   (markup-list?)
   #:properties ((baseline-skip)
-		wordwrap-internal-markup-list)
+                wordwrap-internal-markup-list)
   "Like @code{\\wordwrap}, but return a list of lines instead of a single markup.
 Use @code{\\override-lines #'(line-width . @var{X})} to set the line width,
 where @var{X} is the number of staff spaces."
@@ -4280,7 +4280,7 @@ where @var{X} is the number of staff spaces."
   "Like @code{\\column}, but return a list of lines instead of a single markup.
 @code{baseline-skip} determines the space between each markup in @var{args}."
   (space-lines baseline-skip
-	       (interpret-markup-list layout props args)))
+               (interpret-markup-list layout props args)))
 
 (define-markup-list-command (override-lines layout props new-prop args)
   (pair? markup-list?)
diff --git a/scm/define-music-callbacks.scm b/scm/define-music-callbacks.scm
index 723ed130ec..42aaf58ace 100644
--- a/scm/define-music-callbacks.scm
+++ b/scm/define-music-callbacks.scm
@@ -1,7 +1,7 @@
 ;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
 ;;;; Copyright (C) 1998--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
-;;;;		     Jan Nieuwenhuizen <janneke@gnu.org>
+;;;;                 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;;                 Neil Puttock <n.puttock@gmail.com>
 ;;;;                 Carl Sorensen <c_sorensen@byu.edu>
 ;;;;
@@ -24,15 +24,15 @@
   "Generate events for multimeasure rests,
 to be used by the sequential-iterator"
   (let ((location (ly:music-property music 'origin))
-	(duration (ly:music-property music 'duration)))
+        (duration (ly:music-property music 'duration)))
     (list (make-music 'BarCheck
-		      'origin location)
-	  (make-event-chord (cons (make-music 'MultiMeasureRestEvent
-					      'origin location
-					      'duration duration)
-				  (ly:music-property music 'articulations)))
-	  (make-music 'BarCheck
-		      'origin location))))
+                      'origin location)
+          (make-event-chord (cons (make-music 'MultiMeasureRestEvent
+                                              'origin location
+                                              'duration duration)
+                                  (ly:music-property music 'articulations)))
+          (make-music 'BarCheck
+                      'origin location))))
 
 (define (make-volta-set music)
   (let* ((alts (ly:music-property music 'elements))
@@ -40,25 +40,25 @@ to be used by the sequential-iterator"
          (times (ly:music-property music 'repeat-count)))
     (map (lambda (x y)
            (make-music
-             'SequentialMusic
-             'elements
-               ;; set properties for proper bar numbering
-               (append
+            'SequentialMusic
+            'elements
+            ;; set properties for proper bar numbering
+            (append
+             (list (make-music 'AlternativeEvent
+                               'alternative-dir (if (= y 0)
+                                                    -1
+                                                    0)
+                               'alternative-increment
+                               (if (= 0 y)
+                                   (1+ (- times
+                                          lalts))
+                                   1)))
+             (list x)
+             (if (= y (1- lalts))
                  (list (make-music 'AlternativeEvent
-                                   'alternative-dir (if (= y 0)
-                                                        -1
-                                                        0)
-                                   'alternative-increment
-                                     (if (= 0 y)
-                                         (1+ (- times
-                                                lalts))
-                                             1)))
-                       (list x)
-                       (if (= y (1- lalts))
-                           (list (make-music 'AlternativeEvent
-                                             'alternative-dir 1
-                                             'alternative-increment 0))
-                           '()))))
+                                   'alternative-dir 1
+                                   'alternative-increment 0))
+                 '()))))
          alts
          (iota lalts))))
 
@@ -67,18 +67,18 @@ to be used by the sequential-iterator"
   (let ((octavation (ly:music-property music 'ottava-number)))
 
     (list (context-spec-music
-	   (make-apply-context
-	    (lambda (context)
-	      (let ((offset (* -7 octavation))
-		    (string (assoc-get octavation '((2 . "15ma")
-						    (1 . "8va")
-						    (0 . #f)
-						    (-1 . "8vb")
-						    (-2 . "15mb")))))
-		(set! (ly:context-property context 'middleCOffset) offset)
-		(set! (ly:context-property context 'ottavation) string)
-		(ly:set-middle-C! context))))
-	   'Staff))))
+           (make-apply-context
+            (lambda (context)
+              (let ((offset (* -7 octavation))
+                    (string (assoc-get octavation '((2 . "15ma")
+                                                    (1 . "8va")
+                                                    (0 . #f)
+                                                    (-1 . "8vb")
+                                                    (-2 . "15mb")))))
+                (set! (ly:context-property context 'middleCOffset) offset)
+                (set! (ly:context-property context 'ottavation) string)
+                (ly:set-middle-C! context))))
+           'Staff))))
 
 (define (make-time-signature-set music)
   "Set context properties for a time signature."
@@ -87,31 +87,31 @@ to be used by the sequential-iterator"
          (structure (ly:music-property music 'beat-structure))
          (fraction (cons num den)))
     (list (descend-to-context
-            (context-spec-music
-              (make-apply-context
-                (lambda (context)
-                  (let* ((time-signature-settings
-                          (ly:context-property context 'timeSignatureSettings))
-                         (my-base-length
-                           (base-length fraction time-signature-settings))
-                         (my-beat-structure
-                           (if (null? structure)
-                               (beat-structure my-base-length
-                                               fraction
-                                               time-signature-settings)
-                               structure))
-                         (beaming-exception
-                           (beam-exceptions fraction time-signature-settings))
-                         (new-measure-length (ly:make-moment num den)))
-                     (ly:context-set-property!
-                       context 'timeSignatureFraction fraction)
-                     (ly:context-set-property!
-                       context 'baseMoment (ly:make-moment my-base-length))
-                     (ly:context-set-property!
-                       context 'beatStructure my-beat-structure)
-                     (ly:context-set-property!
-                       context 'beamExceptions beaming-exception)
-                     (ly:context-set-property!
-                       context 'measureLength new-measure-length))))
-                'Timing)
-            'Score))))
+           (context-spec-music
+            (make-apply-context
+             (lambda (context)
+               (let* ((time-signature-settings
+                       (ly:context-property context 'timeSignatureSettings))
+                      (my-base-length
+                       (base-length fraction time-signature-settings))
+                      (my-beat-structure
+                       (if (null? structure)
+                           (beat-structure my-base-length
+                                           fraction
+                                           time-signature-settings)
+                           structure))
+                      (beaming-exception
+                       (beam-exceptions fraction time-signature-settings))
+                      (new-measure-length (ly:make-moment num den)))
+                 (ly:context-set-property!
+                  context 'timeSignatureFraction fraction)
+                 (ly:context-set-property!
+                  context 'baseMoment (ly:make-moment my-base-length))
+                 (ly:context-set-property!
+                  context 'beatStructure my-beat-structure)
+                 (ly:context-set-property!
+                  context 'beamExceptions beaming-exception)
+                 (ly:context-set-property!
+                  context 'measureLength new-measure-length))))
+            'Timing)
+           'Score))))
diff --git a/scm/define-music-display-methods.scm b/scm/define-music-display-methods.scm
index 82e227c8f5..6d9dc82506 100644
--- a/scm/define-music-display-methods.scm
+++ b/scm/define-music-display-methods.scm
@@ -18,21 +18,21 @@
   (cond ((or (number? scm-arg)
              (string? scm-arg)
              (boolean? scm-arg))
-	 (format #f "~s" scm-arg))
-	((or (symbol? scm-arg)
-	     (list? scm-arg))
-	 (format #f "'~s" scm-arg))
-	((procedure? scm-arg)
-	 (format #f "~a"
-		 (or (procedure-name scm-arg)
-		     (with-output-to-string
-		       (lambda ()
-			 (pretty-print (procedure-source scm-arg)))))))
-	(else
-	 (format #f "~a"
-		 (with-output-to-string
-		   (lambda ()
-		     (display-scheme-music scm-arg)))))))
+         (format #f "~s" scm-arg))
+        ((or (symbol? scm-arg)
+             (list? scm-arg))
+         (format #f "'~s" scm-arg))
+        ((procedure? scm-arg)
+         (format #f "~a"
+                 (or (procedure-name scm-arg)
+                     (with-output-to-string
+                       (lambda ()
+                         (pretty-print (procedure-source scm-arg)))))))
+        (else
+         (format #f "~a"
+                 (with-output-to-string
+                   (lambda ()
+                     (display-scheme-music scm-arg)))))))
 ;;;
 ;;; Markups
 ;;;
@@ -43,33 +43,33 @@ expression."
   (define (proc->command proc)
     (let ((cmd-markup (symbol->string (procedure-name proc))))
       (substring cmd-markup 0 (- (string-length cmd-markup)
-				 (string-length "-markup")))))
+                                 (string-length "-markup")))))
   (define (arg->string arg)
     (cond ((string? arg)
-	   (format #f "~s" arg))
-	  ((markup? arg) ;; a markup
-	   (markup->lily-string-aux arg))
-	  ((and (pair? arg) (every markup? arg)) ;; a markup list
-	   (format #f "{~{ ~a~}}" (map-in-order markup->lily-string-aux arg)))
-	  (else		 ;; a scheme argument
-	   (format #f "#~a" (scheme-expr->lily-string arg)))))
+           (format #f "~s" arg))
+          ((markup? arg) ;; a markup
+           (markup->lily-string-aux arg))
+          ((and (pair? arg) (every markup? arg)) ;; a markup list
+           (format #f "{~{ ~a~}}" (map-in-order markup->lily-string-aux arg)))
+          (else          ;; a scheme argument
+           (format #f "#~a" (scheme-expr->lily-string arg)))))
   (define (markup->lily-string-aux expr)
     (if (string? expr)
-	(format #f "~s" expr)
-	(let ((cmd (car expr))
-	      (args (cdr expr)))
-	  (if (eqv? cmd simple-markup) ;; a simple markup
-	      (format #f "~s" (car args))
-	      (format #f "\\~a~{ ~a~}"
-		      (proc->command cmd)
-		      (map-in-order arg->string args))))))
+        (format #f "~s" expr)
+        (let ((cmd (car expr))
+              (args (cdr expr)))
+          (if (eqv? cmd simple-markup) ;; a simple markup
+              (format #f "~s" (car args))
+              (format #f "\\~a~{ ~a~}"
+                      (proc->command cmd)
+                      (map-in-order arg->string args))))))
   (cond ((string? markup-expr)
-	 (format #f "~s" markup-expr))
-	((eqv? (car markup-expr) simple-markup)
-	 (format #f "~s" (second markup-expr)))
-	(else
-	 (format #f "\\markup ~a"
-		 (markup->lily-string-aux markup-expr)))))
+         (format #f "~s" markup-expr))
+        ((eqv? (car markup-expr) simple-markup)
+         (format #f "~s" (second markup-expr)))
+        (else
+         (format #f "\\markup ~a"
+                 (markup->lily-string-aux markup-expr)))))
 
 ;;;
 ;;; pitch names
@@ -81,49 +81,49 @@ expression."
        (result #f result))
       ((or result (null? alist)) result)
     (if (and (car alist) (test item (cdar alist)))
-	(set! result (car alist)))))
+        (set! result (car alist)))))
 
 (define-public (note-name->lily-string ly-pitch parser)
   ;; here we define a custom pitch= function, since we do not want to
   ;; test whether octaves are also equal. (otherwise, we would be using equal?)
   (define (pitch= pitch1 pitch2)
     (and (= (ly:pitch-notename pitch1) (ly:pitch-notename pitch2))
-	 (= (ly:pitch-alteration pitch1) (ly:pitch-alteration pitch2))))
+         (= (ly:pitch-alteration pitch1) (ly:pitch-alteration pitch2))))
   (let ((result (rassoc ly-pitch (ly:parser-lookup parser 'pitchnames) pitch=)))
     (if result
-	(car result)
-	#f)))
+        (car result)
+        #f)))
 
 (define-public (octave->lily-string pitch)
   (let ((octave (ly:pitch-octave pitch)))
     (cond ((>= octave 0)
-	   (make-string (1+ octave) #\'))
-	  ((< octave -1)
-	   (make-string (1- (* -1 octave)) #\,))
-	  (else ""))))
+           (make-string (1+ octave) #\'))
+          ((< octave -1)
+           (make-string (1- (* -1 octave)) #\,))
+          (else ""))))
 
 ;;;
 ;;; durations
 ;;;
 (define*-public (duration->lily-string ly-duration #:key (prev-duration (*previous-duration*))
-			(force-duration (*force-duration*))
-			(time-scale (*time-scale*))
-			remember)
+                                       (force-duration (*force-duration*))
+                                       (time-scale (*time-scale*))
+                                       remember)
   (if remember (*previous-duration* ly-duration))
-  (let ((log2	 (ly:duration-log ly-duration))
-	(dots	 (ly:duration-dot-count ly-duration))
-	(scale (ly:duration-scale ly-duration)))
+  (let ((log2    (ly:duration-log ly-duration))
+        (dots    (ly:duration-dot-count ly-duration))
+        (scale (ly:duration-scale ly-duration)))
     (if (or force-duration (not prev-duration) (not (equal? ly-duration prev-duration)))
-	(string-append (case log2
-			 ((-1) "\\breve")
-			 ((-2) "\\longa")
-			 ((-3) "\\maxima")
-			 (else (number->string (expt 2 log2))))
-		       (make-string dots #\.)
-		       (let ((end-scale (/ scale time-scale)))
-			 (if (= end-scale 1) ""
-			     (format #f "*~a" end-scale))))
-	"")))
+        (string-append (case log2
+                         ((-1) "\\breve")
+                         ((-2) "\\longa")
+                         ((-3) "\\maxima")
+                         (else (number->string (expt 2 log2))))
+                       (make-string dots #\.)
+                       (let ((end-scale (/ scale time-scale)))
+                         (if (= end-scale 1) ""
+                             (format #f "*~a" end-scale))))
+        "")))
 
 ;;;
 ;;; post events
@@ -135,24 +135,24 @@ expression."
 (define* (event-direction->lily-string event #:optional (required #t))
   (let ((direction (ly:music-property event 'direction)))
     (cond ((or (not direction) (null? direction) (= CENTER direction))
-	   (if required "-" ""))
-	  ((= UP direction) "^")
-	  ((= DOWN direction) "_")
-	  (else ""))))
+           (if required "-" ""))
+          ((= UP direction) "^")
+          ((= DOWN direction) "_")
+          (else ""))))
 
 (define-macro (define-post-event-display-method type vars direction-required str)
   `(define-display-method ,type ,vars
      (format #f "~a~a"
-	     (event-direction->lily-string ,(car vars) ,direction-required)
-	     ,str)))
+             (event-direction->lily-string ,(car vars) ,direction-required)
+             ,str)))
 
 (define-macro (define-span-event-display-method type vars direction-required str-start str-stop)
   `(define-display-method ,type ,vars
      (format #f "~a~a"
-	     (event-direction->lily-string ,(car vars) ,direction-required)
-	     (if (= START (ly:music-property ,(car vars) 'span-direction))
-		 ,str-start
-		 ,str-stop))))
+             (event-direction->lily-string ,(car vars) ,direction-required)
+             (if (= START (ly:music-property ,(car vars) 'span-direction))
+                 ,str-start
+                 ,str-stop))))
 
 (define-display-method HyphenEvent (event parser)
   " --")
@@ -169,25 +169,25 @@ expression."
 (define-display-method TremoloEvent (event parser)
   (let ((tremolo-type (ly:music-property event 'tremolo-type)))
     (format #f ":~a" (if (= 0 tremolo-type)
-			 ""
-			 tremolo-type))))
+                         ""
+                         tremolo-type))))
 
 (define-display-method ArticulationEvent (event parser) #t
   (let* ((articulation  (ly:music-property event 'articulation-type))
-	 (shorthand
-	  (case (string->symbol articulation)
-	    ((marcato) "^")
-	    ((stopped) "+")
-	    ((tenuto)	 "-")
-	    ((staccatissimo) "|")
-	    ((accent) ">")
-	    ((staccato) ".")
-	    ((portato) "_")
-	    (else #f))))
+         (shorthand
+          (case (string->symbol articulation)
+            ((marcato) "^")
+            ((stopped) "+")
+            ((tenuto)    "-")
+            ((staccatissimo) "|")
+            ((accent) ">")
+            ((staccato) ".")
+            ((portato) "_")
+            (else #f))))
     (format #f "~a~:[\\~;~]~a"
-	    (event-direction->lily-string event shorthand)
-	    shorthand
-	    (or shorthand articulation))))
+            (event-direction->lily-string event shorthand)
+            shorthand
+            (or shorthand articulation))))
 
 (define-post-event-display-method FingeringEvent (event parser) #t
   (ly:music-property event 'digit))
@@ -230,7 +230,7 @@ expression."
 
 (define-display-method GraceMusic (expr parser)
   (format #f "\\grace ~a"
-	  (music->lily-string (ly:music-property expr 'element) parser)))
+          (music->lily-string (ly:music-property expr 'element) parser)))
 
 ;; \acciaccatura \appoggiatura \grace
 ;; TODO: it would be better to compare ?start and ?stop
@@ -239,92 +239,92 @@ expression."
 (define-extra-display-method GraceMusic (expr parser)
   "Display method for appoggiatura."
   (with-music-match (expr (music
-			   'GraceMusic
-			   element (music
-				    'SequentialMusic
-				    elements (?start
-					      ?music
-					      ?stop))))
-    ;; we check whether ?start and ?stop look like
-    ;; startAppoggiaturaMusic stopAppoggiaturaMusic
-    (and (with-music-match (?start (music
-				    'SequentialMusic
-				    elements ((music
-					       'EventChord
-					       elements
-					       ((music
-						 'SlurEvent
-						 span-direction START))))))
-	    #t)
-	 (with-music-match (?stop (music
-				   'SequentialMusic
-				   elements ((music
-					      'EventChord
-					      elements
-					      ((music
-						'SlurEvent
-						span-direction STOP))))))
-	    (format #f "\\appoggiatura ~a" (music->lily-string ?music parser))))))
+                           'GraceMusic
+                           element (music
+                                    'SequentialMusic
+                                    elements (?start
+                                              ?music
+                                              ?stop))))
+                    ;; we check whether ?start and ?stop look like
+                    ;; startAppoggiaturaMusic stopAppoggiaturaMusic
+                    (and (with-music-match (?start (music
+                                                    'SequentialMusic
+                                                    elements ((music
+                                                               'EventChord
+                                                               elements
+                                                               ((music
+                                                                 'SlurEvent
+                                                                 span-direction START))))))
+                                           #t)
+                         (with-music-match (?stop (music
+                                                   'SequentialMusic
+                                                   elements ((music
+                                                              'EventChord
+                                                              elements
+                                                              ((music
+                                                                'SlurEvent
+                                                                span-direction STOP))))))
+                                           (format #f "\\appoggiatura ~a" (music->lily-string ?music parser))))))
 
 
 (define-extra-display-method GraceMusic (expr parser)
   "Display method for acciaccatura."
   (with-music-match (expr (music
-			   'GraceMusic
-			   element (music
-				    'SequentialMusic
-				    elements (?start
-					      ?music
-					      ?stop))))
-    ;; we check whether ?start and ?stop look like
-    ;; startAcciaccaturaMusic stopAcciaccaturaMusic
-    (and (with-music-match (?start (music
-				    'SequentialMusic
-				    elements ((music
-					       'EventChord
-					       elements
-					       ((music
-						 'SlurEvent
-						 span-direction START)))
-					      (music
-					       'ContextSpeccedMusic
-					       element (music
-							'OverrideProperty
-							grob-property-path '(stroke-style)
-							grob-value "grace"
-							symbol 'Flag)))))
-	   #t)
-	 (with-music-match (?stop (music
-				   'SequentialMusic
-				   elements ((music
-					      'ContextSpeccedMusic
-					      element (music
-						       'RevertProperty
-						       grob-property-path '(stroke-style)
-						       symbol 'Flag))
-
-					     (music
-					      'EventChord
-					      elements
-					      ((music
-						'SlurEvent
-						span-direction STOP))))))
-	   (format #f "\\acciaccatura ~a" (music->lily-string ?music parser))))))
+                           'GraceMusic
+                           element (music
+                                    'SequentialMusic
+                                    elements (?start
+                                              ?music
+                                              ?stop))))
+                    ;; we check whether ?start and ?stop look like
+                    ;; startAcciaccaturaMusic stopAcciaccaturaMusic
+                    (and (with-music-match (?start (music
+                                                    'SequentialMusic
+                                                    elements ((music
+                                                               'EventChord
+                                                               elements
+                                                               ((music
+                                                                 'SlurEvent
+                                                                 span-direction START)))
+                                                              (music
+                                                               'ContextSpeccedMusic
+                                                               element (music
+                                                                        'OverrideProperty
+                                                                        grob-property-path '(stroke-style)
+                                                                        grob-value "grace"
+                                                                        symbol 'Flag)))))
+                                           #t)
+                         (with-music-match (?stop (music
+                                                   'SequentialMusic
+                                                   elements ((music
+                                                              'ContextSpeccedMusic
+                                                              element (music
+                                                                       'RevertProperty
+                                                                       grob-property-path '(stroke-style)
+                                                                       symbol 'Flag))
+
+                                                             (music
+                                                              'EventChord
+                                                              elements
+                                                              ((music
+                                                                'SlurEvent
+                                                                span-direction STOP))))))
+                                           (format #f "\\acciaccatura ~a" (music->lily-string ?music parser))))))
 
 (define-extra-display-method GraceMusic (expr parser)
   "Display method for grace."
   (with-music-match (expr (music
-			   'GraceMusic
-			   element (music
-				    'SequentialMusic
-				    elements (?start
-					      ?music
-					      ?stop))))
-    ;; we check whether ?start and ?stop look like
-    ;; startGraceMusic stopGraceMusic
-    (and (null? (ly:music-property ?start 'elements))
-	 (null? (ly:music-property ?stop 'elements))
-	 (format #f "\\grace ~a" (music->lily-string ?music parser)))))
+                           'GraceMusic
+                           element (music
+                                    'SequentialMusic
+                                    elements (?start
+                                              ?music
+                                              ?stop))))
+                    ;; we check whether ?start and ?stop look like
+                    ;; startGraceMusic stopGraceMusic
+                    (and (null? (ly:music-property ?start 'elements))
+                         (null? (ly:music-property ?stop 'elements))
+                         (format #f "\\grace ~a" (music->lily-string ?music parser)))))
 
 ;;;
 ;;; Music sequences
@@ -332,79 +332,79 @@ expression."
 
 (define-display-method SequentialMusic (seq parser)
   (let ((force-line-break (and (*force-line-break*)
-			       ;; hm
-			       (> (length (ly:music-property seq 'elements))
-				  (*max-element-number-before-break*))))
-	(elements (ly:music-property seq 'elements))
-	(chord? (make-music-type-predicate 'EventChord))
-	(note-or-chord? (make-music-type-predicate 'EventChord 'NoteEvent
-						   'LyricEvent 'RestEvent
-						   'ClusterNoteEvent))
-	(cluster? (make-music-type-predicate 'ClusterNoteEvent))
-	(note? (make-music-type-predicate 'NoteEvent)))
+                               ;; hm
+                               (> (length (ly:music-property seq 'elements))
+                                  (*max-element-number-before-break*))))
+        (elements (ly:music-property seq 'elements))
+        (chord? (make-music-type-predicate 'EventChord))
+        (note-or-chord? (make-music-type-predicate 'EventChord 'NoteEvent
+                                                   'LyricEvent 'RestEvent
+                                                   'ClusterNoteEvent))
+        (cluster? (make-music-type-predicate 'ClusterNoteEvent))
+        (note? (make-music-type-predicate 'NoteEvent)))
     (format #f "~a~a{~v%~v_~{~a~^ ~}~v%~v_}"
-	    (if (any (lambda (e)
-		       (or (cluster? e)
-			   (and (chord? e)
-				(any cluster? (ly:music-property e 'elements)))))
-		     elements)
-		"\\makeClusters "
-		"")
-	    (if (*explicit-mode*)
-		;; if the sequence contains EventChord which contains figures ==> figuremode
-		;; if the sequence contains EventChord which contains lyrics ==> lyricmode
-		;; if the sequence contains EventChord which contains drum notes ==> drummode
-		(cond ((any (lambda (chord)
-			      (any (make-music-type-predicate 'BassFigureEvent)
-				   (ly:music-property chord 'elements)))
-			    (filter chord? elements))
-		       "\\figuremode ")
-		      ((any (lambda (chord)
-			      (any (make-music-type-predicate 'LyricEvent)
-				   (cons chord
-					 (ly:music-property chord 'elements))))
-			    (filter note-or-chord? elements))
-		       "\\lyricmode ")
-		      ((any (lambda (chord)
-			      (any (lambda (event)
-				     (and (note? event)
-					  (not (null? (ly:music-property event 'drum-type)))))
-				   (cons chord
-					 (ly:music-property chord 'elements))))
-			    (filter note-or-chord? elements))
-		       "\\drummode ")
-		      (else ;; TODO: other modes?
-		       ""))
-		"")
-	    (if force-line-break 1 0)
-	    (if force-line-break (+ 2 (*indent*)) 1)
-	    (parameterize ((*indent* (+ 2 (*indent*))))
-			  (map-in-order (lambda (music)
-					  (music->lily-string music parser))
-					elements))
-	    (if force-line-break 1 0)
-	    (if force-line-break (*indent*) 1))))
+            (if (any (lambda (e)
+                       (or (cluster? e)
+                           (and (chord? e)
+                                (any cluster? (ly:music-property e 'elements)))))
+                     elements)
+                "\\makeClusters "
+                "")
+            (if (*explicit-mode*)
+                ;; if the sequence contains EventChord which contains figures ==> figuremode
+                ;; if the sequence contains EventChord which contains lyrics ==> lyricmode
+                ;; if the sequence contains EventChord which contains drum notes ==> drummode
+                (cond ((any (lambda (chord)
+                              (any (make-music-type-predicate 'BassFigureEvent)
+                                   (ly:music-property chord 'elements)))
+                            (filter chord? elements))
+                       "\\figuremode ")
+                      ((any (lambda (chord)
+                              (any (make-music-type-predicate 'LyricEvent)
+                                   (cons chord
+                                         (ly:music-property chord 'elements))))
+                            (filter note-or-chord? elements))
+                       "\\lyricmode ")
+                      ((any (lambda (chord)
+                              (any (lambda (event)
+                                     (and (note? event)
+                                          (not (null? (ly:music-property event 'drum-type)))))
+                                   (cons chord
+                                         (ly:music-property chord 'elements))))
+                            (filter note-or-chord? elements))
+                       "\\drummode ")
+                      (else ;; TODO: other modes?
+                       ""))
+                "")
+            (if force-line-break 1 0)
+            (if force-line-break (+ 2 (*indent*)) 1)
+            (parameterize ((*indent* (+ 2 (*indent*))))
+                          (map-in-order (lambda (music)
+                                          (music->lily-string music parser))
+                                        elements))
+            (if force-line-break 1 0)
+            (if force-line-break (*indent*) 1))))
 
 (define-display-method SimultaneousMusic (sim parser)
   (parameterize ((*indent* (+ 3 (*indent*))))
-    (format #f "<< ~{~a ~}>>"
-	    (map-in-order (lambda (music)
-			    (music->lily-string music parser))
-			  (ly:music-property sim 'elements)))))
+                (format #f "<< ~{~a ~}>>"
+                        (map-in-order (lambda (music)
+                                        (music->lily-string music parser))
+                                      (ly:music-property sim 'elements)))))
 
 (define-extra-display-method SimultaneousMusic (expr parser)
   "If `sim' is an \afterGrace expression, return \"\\afterGrace ...\".
 Otherwise, return #f."
   ;; TODO: do something with afterGraceFraction?
   (with-music-match (expr (music 'SimultaneousMusic
-				 elements (?before-grace
-					   (music 'SequentialMusic
-						  elements ((music 'SkipMusic)
-							    (music 'GraceMusic
-								   element ?grace))))))
-    (format #f "\\afterGrace ~a ~a"
-	    (music->lily-string ?before-grace parser)
-	    (music->lily-string ?grace parser))))
+                                 elements (?before-grace
+                                           (music 'SequentialMusic
+                                                  elements ((music 'SkipMusic)
+                                                            (music 'GraceMusic
+                                                                   element ?grace))))))
+                    (format #f "\\afterGrace ~a ~a"
+                            (music->lily-string ?before-grace parser)
+                            (music->lily-string ?grace parser))))
 
 ;;;
 ;;; Chords
@@ -412,68 +412,68 @@ Otherwise, return #f."
 
 (define-display-method EventChord (chord parser)
   ;; event_chord : command_element
-  ;;		   | note_chord_element
+  ;;               | note_chord_element
 
   ;; TODO : tagged post_events
   ;; post_events : ( post_event | tagged_post_event )*
   ;; tagged_post_event: '-' \tag embedded_scm post_event
 
   (let* ((elements (append (ly:music-property chord 'elements)
-			   (ly:music-property chord 'articulations)))
-	 (chord-repeat (ly:music-property chord 'duration)))
+                           (ly:music-property chord 'articulations)))
+         (chord-repeat (ly:music-property chord 'duration)))
     (call-with-values
-	(lambda ()
-	  (partition (lambda (m) (music-is-of-type? m 'rhythmic-event))
-		     elements))
+        (lambda ()
+          (partition (lambda (m) (music-is-of-type? m 'rhythmic-event))
+                     elements))
       (lambda (chord-elements other-elements)
-	(cond ((pair? chord-elements)
-	       ;; note_chord_element :
-	       ;; '<' (notepitch | drumpitch)* '>" duration post_events
-	       (let ((duration (duration->lily-string (ly:music-property
-						       (car chord-elements)
-						       'duration)
-						      #:remember #t)))
-		 ;; Format duration first so that it does not appear on
-		 ;; chord elements
-		 (format #f "< ~{~a ~}>~a~:{~:[-~;~]~a~^ ~}"
-			 (map-in-order (lambda (music)
-					 (music->lily-string music parser))
-				       chord-elements)
-			 duration
-			 (map-in-order (lambda (music)
-					 (list
-					  (post-event? music)
-					  (music->lily-string music parser)))
-				       other-elements))))
-	      ((ly:duration? chord-repeat)
-	       (let ((duration (duration->lily-string chord-repeat
-						      #:remember #t)))
-		 (format #f "q~a~:{~:[-~;~]~a~^ ~}"
-			 duration
-			 (map-in-order (lambda (music)
-					 (list
-					  (post-event? music)
-					  (music->lily-string music parser)))
-				       other-elements))))
-
-	      ((and (= 1 (length other-elements))
-		    (not (post-event? (car other-elements))))
-	       (format #f (music->lily-string (car other-elements) parser)))
-	      (else
-	       (format #f "< >~:{~:[-~;~]~a~^ ~}"
-		       (map-in-order (lambda (music)
-				       (list
-					(post-event? music)
-					(music->lily-string music parser)))
-				     other-elements))))))))
+        (cond ((pair? chord-elements)
+               ;; note_chord_element :
+               ;; '<' (notepitch | drumpitch)* '>" duration post_events
+               (let ((duration (duration->lily-string (ly:music-property
+                                                       (car chord-elements)
+                                                       'duration)
+                                                      #:remember #t)))
+                 ;; Format duration first so that it does not appear on
+                 ;; chord elements
+                 (format #f "< ~{~a ~}>~a~:{~:[-~;~]~a~^ ~}"
+                         (map-in-order (lambda (music)
+                                         (music->lily-string music parser))
+                                       chord-elements)
+                         duration
+                         (map-in-order (lambda (music)
+                                         (list
+                                          (post-event? music)
+                                          (music->lily-string music parser)))
+                                       other-elements))))
+              ((ly:duration? chord-repeat)
+               (let ((duration (duration->lily-string chord-repeat
+                                                      #:remember #t)))
+                 (format #f "q~a~:{~:[-~;~]~a~^ ~}"
+                         duration
+                         (map-in-order (lambda (music)
+                                         (list
+                                          (post-event? music)
+                                          (music->lily-string music parser)))
+                                       other-elements))))
+
+              ((and (= 1 (length other-elements))
+                    (not (post-event? (car other-elements))))
+               (format #f (music->lily-string (car other-elements) parser)))
+              (else
+               (format #f "< >~:{~:[-~;~]~a~^ ~}"
+                       (map-in-order (lambda (music)
+                                       (list
+                                        (post-event? music)
+                                        (music->lily-string music parser)))
+                                     other-elements))))))))
 
 (define-display-method MultiMeasureRestMusic (mmrest parser)
   (format #f "R~a~{~a~^ ~}"
-	  (duration->lily-string (ly:music-property mmrest 'duration)
-				 #:remember #t)
-	  (map-in-order (lambda (music)
-			  (music->lily-string music parser))
-			(ly:music-property mmrest 'articulations))))
+          (duration->lily-string (ly:music-property mmrest 'duration)
+                                 #:remember #t)
+          (map-in-order (lambda (music)
+                          (music->lily-string music parser))
+                        (ly:music-property mmrest 'articulations))))
 
 (define-display-method SkipMusic (skip parser)
   (format #f "\\skip ~a" (duration->lily-string (ly:music-property skip 'duration) #:force-duration #t)))
@@ -487,47 +487,47 @@ Otherwise, return #f."
 
 (define (simple-note->lily-string event parser)
   (format #f "~a~a~a~a~a~a~:{~:[-~;~]~a~}" ; pitchname octave !? octave-check duration optional_rest articulations
-	  (note-name->lily-string (ly:music-property event 'pitch) parser)
-	  (octave->lily-string (ly:music-property event 'pitch))
-	  (let ((forced (ly:music-property event 'force-accidental))
-		(cautionary (ly:music-property event 'cautionary)))
-	    (cond ((and (not (null? forced))
-			forced
-			(not (null? cautionary))
-			cautionary)
-		   "?")
-		  ((and (not (null? forced)) forced) "!")
-		  (else "")))
-	  (let ((octave-check (ly:music-property event 'absolute-octave)))
-	    (if (not (null? octave-check))
-		(format #f "=~a" (cond ((>= octave-check 0)
-					(make-string (1+ octave-check) #\'))
-				       ((< octave-check -1)
-					(make-string (1- (* -1 octave-check)) #\,))
-				       (else "")))
-		""))
-	  (duration->lily-string (ly:music-property event 'duration)
-				 #:remember #t)
-	  (if ((make-music-type-predicate 'RestEvent) event)
-	      "\\rest" "")
-	  (map-in-order (lambda (event)
-			  (list
-			   (post-event? event)
-			   (music->lily-string event parser)))
-			(ly:music-property event 'articulations))))
+          (note-name->lily-string (ly:music-property event 'pitch) parser)
+          (octave->lily-string (ly:music-property event 'pitch))
+          (let ((forced (ly:music-property event 'force-accidental))
+                (cautionary (ly:music-property event 'cautionary)))
+            (cond ((and (not (null? forced))
+                        forced
+                        (not (null? cautionary))
+                        cautionary)
+                   "?")
+                  ((and (not (null? forced)) forced) "!")
+                  (else "")))
+          (let ((octave-check (ly:music-property event 'absolute-octave)))
+            (if (not (null? octave-check))
+                (format #f "=~a" (cond ((>= octave-check 0)
+                                        (make-string (1+ octave-check) #\'))
+                                       ((< octave-check -1)
+                                        (make-string (1- (* -1 octave-check)) #\,))
+                                       (else "")))
+                ""))
+          (duration->lily-string (ly:music-property event 'duration)
+                                 #:remember #t)
+          (if ((make-music-type-predicate 'RestEvent) event)
+              "\\rest" "")
+          (map-in-order (lambda (event)
+                          (list
+                           (post-event? event)
+                           (music->lily-string event parser)))
+                        (ly:music-property event 'articulations))))
 
 (define-display-method NoteEvent (note parser)
   (cond ((not (null? (ly:music-property note 'pitch))) ;; note
-	 (simple-note->lily-string note parser))
-	((not (null? (ly:music-property note 'drum-type))) ;; drum
-	 (format #f "~a~a~{~a~}" (ly:music-property note 'drum-type)
-		 (duration->lily-string (ly:music-property note 'duration)
-					#:remember #t)
-		 (map-in-order (lambda (event)
-				 (music->lily-string event parser))
-			       (ly:music-property note 'articulations))))
-	(else ;; unknown?
-	 "")))
+         (simple-note->lily-string note parser))
+        ((not (null? (ly:music-property note 'drum-type))) ;; drum
+         (format #f "~a~a~{~a~}" (ly:music-property note 'drum-type)
+                 (duration->lily-string (ly:music-property note 'duration)
+                                        #:remember #t)
+                 (map-in-order (lambda (event)
+                                 (music->lily-string event parser))
+                               (ly:music-property note 'articulations))))
+        (else ;; unknown?
+         "")))
 
 (define-display-method ClusterNoteEvent (note parser)
   (simple-note->lily-string note parser))
@@ -536,23 +536,23 @@ Otherwise, return #f."
   (if (not (null? (ly:music-property rest 'pitch)))
       (simple-note->lily-string rest parser)
       (format #f "r~a~{~a~}"
-	      (duration->lily-string (ly:music-property rest 'duration)
-				     #:remember #t)
-	      (map-in-order (lambda (event)
-			      (music->lily-string event parser))
-			    (ly:music-property rest 'articulations)))))
+              (duration->lily-string (ly:music-property rest 'duration)
+                                     #:remember #t)
+              (map-in-order (lambda (event)
+                              (music->lily-string event parser))
+                            (ly:music-property rest 'articulations)))))
 
 (define-display-method MultiMeasureRestEvent (rest parser)
   (string-append "R" (duration->lily-string (ly:music-property rest 'duration)
-					    #:remember #t)))
+                                            #:remember #t)))
 
 (define-display-method SkipEvent (rest parser)
   (format #f "s~a~{~a~}"
-	  (duration->lily-string (ly:music-property rest 'duration)
-				 #:remember #t)
-	  (map-in-order (lambda (event)
-			  (music->lily-string event parser))
-			(ly:music-property rest 'articulations))))
+          (duration->lily-string (ly:music-property rest 'duration)
+                                 #:remember #t)
+          (map-in-order (lambda (event)
+                          (music->lily-string event parser))
+                        (ly:music-property rest 'articulations))))
 
 (define-display-method RepeatedChord (chord parser)
   (music->lily-string (ly:music-property chord 'element) parser))
@@ -560,32 +560,32 @@ Otherwise, return #f."
 (define-display-method MarkEvent (mark parser)
   (let ((label (ly:music-property mark 'label)))
     (if (null? label)
-	"\\mark \\default"
-	(format #f "\\mark ~a" (markup->lily-string label)))))
+        "\\mark \\default"
+        (format #f "\\mark ~a" (markup->lily-string label)))))
 
 (define-display-method KeyChangeEvent (key parser)
   (let ((pitch-alist (ly:music-property key 'pitch-alist))
-	(tonic (ly:music-property key 'tonic)))
+        (tonic (ly:music-property key 'tonic)))
     (if (or (null? pitch-alist)
-	    (null? tonic))
-	"\\key \\default"
-	(let ((c-pitch-alist (ly:transpose-key-alist pitch-alist
-						     (ly:pitch-diff (ly:make-pitch 0 0 0) tonic))))
-	  (format #f "\\key ~a \\~a~a"
-		  (note-name->lily-string (ly:music-property key 'tonic) parser)
-		  (any (lambda (mode)
-			 (if (and parser
-				  (equal? (ly:parser-lookup parser mode) c-pitch-alist))
-			     (symbol->string mode)
-			     #f))
-		       '(major minor ionian locrian aeolian mixolydian lydian phrygian dorian))
-		  (new-line->lily-string))))))
+            (null? tonic))
+        "\\key \\default"
+        (let ((c-pitch-alist (ly:transpose-key-alist pitch-alist
+                                                     (ly:pitch-diff (ly:make-pitch 0 0 0) tonic))))
+          (format #f "\\key ~a \\~a~a"
+                  (note-name->lily-string (ly:music-property key 'tonic) parser)
+                  (any (lambda (mode)
+                         (if (and parser
+                                  (equal? (ly:parser-lookup parser mode) c-pitch-alist))
+                             (symbol->string mode)
+                             #f))
+                       '(major minor ionian locrian aeolian mixolydian lydian phrygian dorian))
+                  (new-line->lily-string))))))
 
 (define-display-method RelativeOctaveCheck (octave parser)
   (let ((pitch (ly:music-property octave 'pitch)))
     (format #f "\\octaveCheck ~a~a"
-	    (note-name->lily-string pitch parser)
-	    (octave->lily-string pitch))))
+            (note-name->lily-string pitch parser)
+            (octave->lily-string pitch))))
 
 (define-display-method VoiceSeparator (sep parser)
   "\\\\")
@@ -603,42 +603,42 @@ Otherwise, return #f."
 
 (define-display-method BassFigureEvent (figure parser)
   (let ((alteration (ly:music-property figure 'alteration))
-	(fig (ly:music-property figure 'figure))
-	(bracket-start (ly:music-property figure 'bracket-start))
-	(bracket-stop (ly:music-property figure 'bracket-stop)))
+        (fig (ly:music-property figure 'figure))
+        (bracket-start (ly:music-property figure 'bracket-start))
+        (bracket-stop (ly:music-property figure 'bracket-stop)))
 
     (format #f "~a~a~a~a"
-	    (if (null? bracket-start) "" "[")
-	    (cond ((null? fig) "_")
-		  ((markup? fig) (second fig)) ;; fig: (<number-markup> "number")
-		  (else fig))
-	    (if (null? alteration)
-		""
-		(cond
-		  ((= alteration DOUBLE-FLAT) "--")
-		  ((= alteration FLAT) "-")
-		  ((= alteration NATURAL) "!")
-		  ((= alteration SHARP) "+")
-		  ((= alteration DOUBLE-SHARP) "++")
-		  (else "")))
-	    (if (null? bracket-stop) "" "]"))))
+            (if (null? bracket-start) "" "[")
+            (cond ((null? fig) "_")
+                  ((markup? fig) (second fig)) ;; fig: (<number-markup> "number")
+                  (else fig))
+            (if (null? alteration)
+                ""
+                (cond
+                 ((= alteration DOUBLE-FLAT) "--")
+                 ((= alteration FLAT) "-")
+                 ((= alteration NATURAL) "!")
+                 ((= alteration SHARP) "+")
+                 ((= alteration DOUBLE-SHARP) "++")
+                 (else "")))
+            (if (null? bracket-stop) "" "]"))))
 
 (define-display-method LyricEvent (lyric parser)
   (format "~a~{~a~^ ~}"
-	  (let ((text (ly:music-property lyric 'text)))
-	    (if (or (string? text)
-		    (eqv? (first text) simple-markup))
-		;; a string or a simple markup
-		(let ((string (if (string? text)
-				  text
-				  (second text))))
-		  (if (string-match "(\"| |[0-9])" string)
-		      ;; TODO check exactly in which cases double quotes should be used
-		      (format #f "~s" string)
-		      string))
-		(markup->lily-string text)))
-	  (map-in-order (lambda (m) (music->lily-string m parser))
-			(ly:music-property lyric 'articulations))))
+          (let ((text (ly:music-property lyric 'text)))
+            (if (or (string? text)
+                    (eqv? (first text) simple-markup))
+                ;; a string or a simple markup
+                (let ((string (if (string? text)
+                                  text
+                                  (second text))))
+                  (if (string-match "(\"| |[0-9])" string)
+                      ;; TODO check exactly in which cases double quotes should be used
+                      (format #f "~s" string)
+                      string))
+                (markup->lily-string text)))
+          (map-in-order (lambda (m) (music->lily-string m parser))
+                        (ly:music-property lyric 'articulations))))
 
 (define-display-method BreathingEvent (event parser)
   "\\breathe")
@@ -649,33 +649,33 @@ Otherwise, return #f."
 
 (define-display-method AutoChangeMusic (m parser)
   (format #f "\\autochange ~a"
-	  (music->lily-string (ly:music-property m 'element) parser)))
+          (music->lily-string (ly:music-property m 'element) parser)))
 
 (define-display-method ContextChange (m parser)
   (format #f "\\change ~a = \"~a\""
-	  (ly:music-property m 'change-to-type)
-	  (ly:music-property m 'change-to-id)))
+          (ly:music-property m 'change-to-type)
+          (ly:music-property m 'change-to-id)))
 
 ;;;
 
 (define-display-method TimeScaledMusic (times parser)
   (let* ((num (ly:music-property times 'numerator))
-	 (den (ly:music-property times 'denominator))
+         (den (ly:music-property times 'denominator))
          (span (ly:music-property times 'duration #f))
          ;; need to format before changing time scale
          (formatted-span
           (and span (duration->lily-string span #:force-duration #t)))
-	 (scale (/ num den))
-	 (time-scale (*time-scale*)))
+         (scale (/ num den))
+         (time-scale (*time-scale*)))
     (*previous-duration* #f)
     (let ((result
            (parameterize ((*force-line-break* #f)
                           (*time-scale* (* time-scale scale)))
-             (format #f "\\tuplet ~a/~a ~@[~a ~]~a"
-                     den
-                     num
-                     formatted-span
-                     (music->lily-string (ly:music-property times 'element) parser)))))
+                         (format #f "\\tuplet ~a/~a ~@[~a ~]~a"
+                                 den
+                                 num
+                                 formatted-span
+                                 (music->lily-string (ly:music-property times 'element) parser)))))
       (*previous-duration* #f)
       result)))
 
@@ -694,16 +694,16 @@ Otherwise, return #f."
 (define (repeat->lily-string expr repeat-type parser)
   (let* ((main (music->lily-string (ly:music-property expr 'element) parser)))
     (format #f "\\repeat ~a ~a ~a ~a"
-	    repeat-type
-	    (ly:music-property expr 'repeat-count)
-	    main
-	    (let ((alternatives (ly:music-property expr 'elements)))
-	      (if (null? alternatives)
-		  ""
-		  (format #f "\\alternative { ~{~a ~}}"
-			  (map-in-order (lambda (music)
-					  (music->lily-string music parser))
-					alternatives)))))))
+            repeat-type
+            (ly:music-property expr 'repeat-count)
+            main
+            (let ((alternatives (ly:music-property expr 'elements)))
+              (if (null? alternatives)
+                  ""
+                  (format #f "\\alternative { ~{~a ~}}"
+                          (map-in-order (lambda (music)
+                                          (music->lily-string music parser))
+                                        alternatives)))))))
 
 (define-display-method VoltaRepeatedMusic (expr parser)
   (repeat->lily-string expr "volta" parser))
@@ -716,28 +716,28 @@ Otherwise, return #f."
 
 (define-display-method TremoloRepeatedMusic (expr parser)
   (let* ((main (ly:music-property expr 'element))
-	 (children (if (music-is-of-type? main 'sequential-music)
-		       ;; \repeat tremolo n { ... }
-		       (length (extract-named-music main '(EventChord
-							   NoteEvent)))
-		       ;; \repeat tremolo n c4
-		       1))
-	 (times (ly:music-property expr 'repeat-count))
-
-	 ;; # of dots is equal to the 1 in bitwise representation (minus 1)!
-	 (dots (1- (logcount (* times children))))
-	 ;; The remaining missing multiplicator to scale the notes by
-	 ;; times * children
-	 (mult (/ (* times children (ash 1 dots)) (1- (ash 2 dots))))
-	 (shift (- (ly:intlog2 (floor mult)))))
+         (children (if (music-is-of-type? main 'sequential-music)
+                       ;; \repeat tremolo n { ... }
+                       (length (extract-named-music main '(EventChord
+                                                           NoteEvent)))
+                       ;; \repeat tremolo n c4
+                       1))
+         (times (ly:music-property expr 'repeat-count))
+
+         ;; # of dots is equal to the 1 in bitwise representation (minus 1)!
+         (dots (1- (logcount (* times children))))
+         ;; The remaining missing multiplicator to scale the notes by
+         ;; times * children
+         (mult (/ (* times children (ash 1 dots)) (1- (ash 2 dots))))
+         (shift (- (ly:intlog2 (floor mult)))))
     (set! main (ly:music-deep-copy main))
     ;; Adjust the time of the notes
     (ly:music-compress main (ly:make-moment children 1))
     ;; Adjust the displayed note durations
     (shift-duration-log main (- shift) (- dots))
     (format #f "\\repeat tremolo ~a ~a"
-	    times
-	    (music->lily-string main parser))))
+            times
+            (music->lily-string main parser))))
 
 ;;;
 ;;; Contexts
@@ -745,131 +745,131 @@ Otherwise, return #f."
 
 (define-display-method ContextSpeccedMusic (expr parser)
   (let ((id    (ly:music-property expr 'context-id))
-	(create-new (ly:music-property expr 'create-new))
-	(music (ly:music-property expr 'element))
-	(operations (ly:music-property expr 'property-operations))
-	(ctype (ly:music-property expr 'context-type)))
+        (create-new (ly:music-property expr 'create-new))
+        (music (ly:music-property expr 'element))
+        (operations (ly:music-property expr 'property-operations))
+        (ctype (ly:music-property expr 'context-type)))
     (format #f "~a ~a~a~a ~a"
-	    (if (and (not (null? create-new)) create-new)
-		"\\new"
-		"\\context")
-	    ctype
-	    (if (null? id)
-		""
-		(format #f " = ~s" id))
-	    (if (null? operations)
-		""
-		(format #f " \\with {~{~a~}~%~v_}"
-			(parameterize ((*indent* (+ (*indent*) 2)))
-			  (map (lambda (op)
-				 (format #f "~%~v_\\~a ~s"
-					 (*indent*)
-					 (first op)
-					 (second op)))
-			       operations))
-			(*indent*)))
-	    (parameterize ((*current-context* ctype))
-	      (music->lily-string music parser)))))
+            (if (and (not (null? create-new)) create-new)
+                "\\new"
+                "\\context")
+            ctype
+            (if (null? id)
+                ""
+                (format #f " = ~s" id))
+            (if (null? operations)
+                ""
+                (format #f " \\with {~{~a~}~%~v_}"
+                        (parameterize ((*indent* (+ (*indent*) 2)))
+                                      (map (lambda (op)
+                                             (format #f "~%~v_\\~a ~s"
+                                                     (*indent*)
+                                                     (first op)
+                                                     (second op)))
+                                           operations))
+                        (*indent*)))
+            (parameterize ((*current-context* ctype))
+                          (music->lily-string music parser)))))
 
 ;; special cases: \figures \lyrics \drums
 (define-extra-display-method ContextSpeccedMusic (expr parser)
   (with-music-match (expr (music 'ContextSpeccedMusic
-				 create-new #t
-				 property-operations ?op
-				 context-type ?context-type
-				 element ?sequence))
-    (if (null? ?op)
-	(parameterize ((*explicit-mode* #f))
-	  (case ?context-type
-	    ((FiguredBass)
-	     (format #f "\\figures ~a" (music->lily-string ?sequence parser)))
-	    ((Lyrics)
-	     (format #f "\\lyrics ~a" (music->lily-string ?sequence parser)))
-	    ((DrumStaff)
-	     (format #f "\\drums ~a" (music->lily-string ?sequence parser)))
-	    (else
-	     #f)))
-	#f)))
+                                 create-new #t
+                                 property-operations ?op
+                                 context-type ?context-type
+                                 element ?sequence))
+                    (if (null? ?op)
+                        (parameterize ((*explicit-mode* #f))
+                                      (case ?context-type
+                                        ((FiguredBass)
+                                         (format #f "\\figures ~a" (music->lily-string ?sequence parser)))
+                                        ((Lyrics)
+                                         (format #f "\\lyrics ~a" (music->lily-string ?sequence parser)))
+                                        ((DrumStaff)
+                                         (format #f "\\drums ~a" (music->lily-string ?sequence parser)))
+                                        (else
+                                         #f)))
+                        #f)))
 
 ;;; Context properties
 
 (define-extra-display-method ContextSpeccedMusic (expr parser)
   (let ((element (ly:music-property expr 'element))
-	(property-tuning? (make-music-type-predicate 'PropertySet
-						     'PropertyUnset
-						     'OverrideProperty
-						     'RevertProperty))
-	(sequence? (make-music-type-predicate 'SequentialMusic)))
+        (property-tuning? (make-music-type-predicate 'PropertySet
+                                                     'PropertyUnset
+                                                     'OverrideProperty
+                                                     'RevertProperty))
+        (sequence? (make-music-type-predicate 'SequentialMusic)))
     (if (and (ly:music? element)
-	     (or (property-tuning? element)
-		 (and (sequence? element)
-		      (every property-tuning? (ly:music-property element 'elements)))))
-	(parameterize ((*current-context* (ly:music-property expr 'context-type)))
-	  (music->lily-string element parser))
-	#f)))
+             (or (property-tuning? element)
+                 (and (sequence? element)
+                      (every property-tuning? (ly:music-property element 'elements)))))
+        (parameterize ((*current-context* (ly:music-property expr 'context-type)))
+                      (music->lily-string element parser))
+        #f)))
 
 (define (property-value->lily-string arg parser)
   (cond ((ly:music? arg)
-	 (music->lily-string arg parser))
-	((string? arg)
-	 (format #f "#~s" arg))
-	((markup? arg)
-	 (markup->lily-string arg))
-	(else
-	 (format #f "#~a" (scheme-expr->lily-string arg)))))
+         (music->lily-string arg parser))
+        ((string? arg)
+         (format #f "#~s" arg))
+        ((markup? arg)
+         (markup->lily-string arg))
+        (else
+         (format #f "#~a" (scheme-expr->lily-string arg)))))
 
 (define-display-method PropertySet (expr parser)
   (let ((property (ly:music-property expr 'symbol))
-	(value (ly:music-property expr 'value))
-	(once (ly:music-property expr 'once)))
+        (value (ly:music-property expr 'value))
+        (once (ly:music-property expr 'once)))
     (format #f "~a\\set ~a~a = ~a~a"
-	    (if (and (not (null? once)))
-		"\\once "
-		"")
-	    (if (eqv? (*current-context*) 'Bottom)
-		""
-		(format #f "~a . " (*current-context*)))
-	    property
-	    (property-value->lily-string value parser)
-	    (new-line->lily-string))))
+            (if (and (not (null? once)))
+                "\\once "
+                "")
+            (if (eqv? (*current-context*) 'Bottom)
+                ""
+                (format #f "~a . " (*current-context*)))
+            property
+            (property-value->lily-string value parser)
+            (new-line->lily-string))))
 
 (define-display-method PropertyUnset (expr parser)
   (format #f "\\unset ~a~a~a"
-	  (if (eqv? (*current-context*) 'Bottom)
-	      ""
-	      (format #f "~a . " (*current-context*)))
-	  (ly:music-property expr 'symbol)
-	  (new-line->lily-string)))
+          (if (eqv? (*current-context*) 'Bottom)
+              ""
+              (format #f "~a . " (*current-context*)))
+          (ly:music-property expr 'symbol)
+          (new-line->lily-string)))
 
 ;;; Layout properties
 
 (define-display-method OverrideProperty (expr parser)
-  (let* ((symbol	  (ly:music-property expr 'symbol))
-	 (properties   (ly:music-property expr 'grob-property-path
-                                             (list (ly:music-property expr 'grob-property))))
-	 (value	  (ly:music-property expr 'grob-value))
-	 (once	  (ly:music-property expr 'once)))
+  (let* ((symbol          (ly:music-property expr 'symbol))
+         (properties   (ly:music-property expr 'grob-property-path
+                                          (list (ly:music-property expr 'grob-property))))
+         (value   (ly:music-property expr 'grob-value))
+         (once    (ly:music-property expr 'once)))
 
     (format #f "~a\\override ~{~a~^.~} = ~a~a"
-	    (if (or (null? once)
-		    (not once))
-		""
-		"\\once ")
+            (if (or (null? once)
+                    (not once))
+                ""
+                "\\once ")
             (if (eqv? (*current-context*) 'Bottom)
                 (cons symbol properties)
                 (cons* (*current-context*) symbol properties))
             (property-value->lily-string value parser)
-	    (new-line->lily-string))))
+            (new-line->lily-string))))
 
 (define-display-method RevertProperty (expr parser)
   (let* ((symbol (ly:music-property expr 'symbol))
          (properties (ly:music-property expr 'grob-property-path
-                                             (list (ly:music-property expr 'grob-property)))))
+                                        (list (ly:music-property expr 'grob-property)))))
     (format #f "\\revert ~{~a~^.~}~a"
             (if (eqv? (*current-context*) 'Bottom)
                 (cons symbol properties)
                 (cons* (*current-context*) symbol properties))
-	    (new-line->lily-string))))
+            (new-line->lily-string))))
 
 (define-display-method TimeSignatureMusic (expr parser)
   (let* ((num (ly:music-property expr 'numerator))
@@ -881,7 +881,7 @@ Otherwise, return #f."
                 num den
                 (new-line->lily-string))
         (format #f
-                "\\time #'~a ~a/~a~a" 
+                "\\time #'~a ~a/~a~a"
                 structure num den
                 (new-line->lily-string)))))
 
@@ -889,43 +889,43 @@ Otherwise, return #f."
 (define-extra-display-method ContextSpeccedMusic (expr parser)
   "If expr is a melisma, return \"\\melisma\", otherwise, return #f."
   (with-music-match (expr (music 'ContextSpeccedMusic
-				 element (music 'PropertySet
-						value #t
-						symbol 'melismaBusy)))
-    "\\melisma"))
+                                 element (music 'PropertySet
+                                                value #t
+                                                symbol 'melismaBusy)))
+                    "\\melisma"))
 
 (define-extra-display-method ContextSpeccedMusic (expr parser)
   "If expr is a melisma end, return \"\\melismaEnd\", otherwise, return #f."
   (with-music-match (expr (music 'ContextSpeccedMusic
-				 element (music 'PropertyUnset
-						symbol 'melismaBusy)))
-    "\\melismaEnd"))
+                                 element (music 'PropertyUnset
+                                                symbol 'melismaBusy)))
+                    "\\melismaEnd"))
 
 ;;; \tempo
 (define-extra-display-method SequentialMusic (expr parser)
   (with-music-match (expr (music 'SequentialMusic
-				 elements ((music 'TempoChangeEvent
-						  text ?text
-						  tempo-unit ?unit
-						  metronome-count ?count)
-					   (music 'ContextSpeccedMusic
-						  element (music 'PropertySet
-								 symbol 'tempoWholesPerMinute)))))
-    (format #f "\\tempo ~{~a~a~}~a = ~a~a"
-	    (if (markup? ?text)
-		(list (markup->lily-string ?text) " ")
-		'())
-	    (duration->lily-string ?unit #:force-duration #t)
-	    (if (pair? ?count)
-		(format #f "~a ~~ ~a" (car ?count) (cdr ?count))
-		?count)
-	    (new-line->lily-string))))
+                                 elements ((music 'TempoChangeEvent
+                                                  text ?text
+                                                  tempo-unit ?unit
+                                                  metronome-count ?count)
+                                           (music 'ContextSpeccedMusic
+                                                  element (music 'PropertySet
+                                                                 symbol 'tempoWholesPerMinute)))))
+                    (format #f "\\tempo ~{~a~a~}~a = ~a~a"
+                            (if (markup? ?text)
+                                (list (markup->lily-string ?text) " ")
+                                '())
+                            (duration->lily-string ?unit #:force-duration #t)
+                            (if (pair? ?count)
+                                (format #f "~a ~~ ~a" (car ?count) (cdr ?count))
+                                ?count)
+                            (new-line->lily-string))))
 
 (define-display-method TempoChangeEvent (expr parser)
   (let ((text (ly:music-property expr 'text)))
     (format #f "\\tempo ~a~a"
-	    (markup->lily-string text)
-	    (new-line->lily-string))))
+            (markup->lily-string text)
+            (new-line->lily-string))))
 
 ;;; \clef
 (define clef-name-alist #f)
@@ -942,107 +942,107 @@ Otherwise, return #f."
   "If @var{expr} is a clef change, return \"\\clef ...\".
 Otherwise, return @code{#f}."
   (with-music-match (expr (music 'ContextSpeccedMusic
-				 context-type 'Staff
-				 element (music 'SequentialMusic
-						elements ((music 'PropertySet
-								 value ?clef-glyph
-								 symbol 'clefGlyph)
-							  (music 'PropertySet
-								 symbol 'middleCClefPosition)
-							  (music 'PropertySet
-								 value ?clef-position
-								 symbol 'clefPosition)
-							  (music 'PropertySet
-								 value ?clef-transposition
-								 symbol 'clefTransposition)
-							  (music 'ApplyContext
-								 procedure ly:set-middle-C!)))))
-    (let ((clef-name (assoc-get (list ?clef-glyph ?clef-position 0)
-				clef-name-alist)))
-      (if clef-name
-	  (format #f "\\clef \"~a~{~a~a~}\"~a"
-		  clef-name
-		  (cond ((= 0 ?clef-transposition)
-			 (list "" ""))
-			((> ?clef-transposition 0)
-			 (list "^" (1+ ?clef-transposition)))
-			(else
-			 (list "_" (- 1 ?clef-transposition))))
-		  (new-line->lily-string))
-	  #f))))
+                                 context-type 'Staff
+                                 element (music 'SequentialMusic
+                                                elements ((music 'PropertySet
+                                                                 value ?clef-glyph
+                                                                 symbol 'clefGlyph)
+                                                          (music 'PropertySet
+                                                                 symbol 'middleCClefPosition)
+                                                          (music 'PropertySet
+                                                                 value ?clef-position
+                                                                 symbol 'clefPosition)
+                                                          (music 'PropertySet
+                                                                 value ?clef-transposition
+                                                                 symbol 'clefTransposition)
+                                                          (music 'ApplyContext
+                                                                 procedure ly:set-middle-C!)))))
+                    (let ((clef-name (assoc-get (list ?clef-glyph ?clef-position 0)
+                                                clef-name-alist)))
+                      (if clef-name
+                          (format #f "\\clef \"~a~{~a~a~}\"~a"
+                                  clef-name
+                                  (cond ((= 0 ?clef-transposition)
+                                         (list "" ""))
+                                        ((> ?clef-transposition 0)
+                                         (list "^" (1+ ?clef-transposition)))
+                                        (else
+                                         (list "_" (- 1 ?clef-transposition))))
+                                  (new-line->lily-string))
+                          #f))))
 
 ;;; \bar
 (define-extra-display-method ContextSpeccedMusic (expr parser)
   "If `expr' is a bar, return \"\\bar ...\".
 Otherwise, return #f."
   (with-music-match (expr (music 'ContextSpeccedMusic
-				 context-type 'Timing
-				 element (music 'PropertySet
-						value ?bar-type
-						symbol 'whichBar)))
-    (format #f "\\bar \"~a\"~a" ?bar-type (new-line->lily-string))))
+                                 context-type 'Timing
+                                 element (music 'PropertySet
+                                                value ?bar-type
+                                                symbol 'whichBar)))
+                    (format #f "\\bar \"~a\"~a" ?bar-type (new-line->lily-string))))
 
 ;;; \partial
 (define-extra-display-method ContextSpeccedMusic (expr parser)
   "If `expr' is a partial measure, return \"\\partial ...\".
 Otherwise, return #f."
   (with-music-match (expr (music
-			   'ContextSpeccedMusic
-			   element (music
-				    'ContextSpeccedMusic
-				    context-type 'Timing
-				    element (music
-					     'PartialSet
-					     partial-duration ?duration))))
-
-    (and ?duration
-	 (format #f "\\partial ~a"
-		 (duration->lily-string ?duration #:force-duration #t)))))
+                           'ContextSpeccedMusic
+                           element (music
+                                    'ContextSpeccedMusic
+                                    context-type 'Timing
+                                    element (music
+                                             'PartialSet
+                                             partial-duration ?duration))))
+
+                    (and ?duration
+                         (format #f "\\partial ~a"
+                                 (duration->lily-string ?duration #:force-duration #t)))))
 
 ;;;
 ;;;
 
 (define-display-method ApplyOutputEvent (applyoutput parser)
   (let ((proc (ly:music-property applyoutput 'procedure))
-	(ctx  (ly:music-property applyoutput 'context-type)))
+        (ctx  (ly:music-property applyoutput 'context-type)))
     (format #f "\\applyOutput #'~a #~a"
-	    ctx
-	    (or (procedure-name proc)
-		(with-output-to-string
-		  (lambda ()
-		    (pretty-print (procedure-source proc))))))))
+            ctx
+            (or (procedure-name proc)
+                (with-output-to-string
+                  (lambda ()
+                    (pretty-print (procedure-source proc))))))))
 
 (define-display-method ApplyContext (applycontext parser)
   (let ((proc (ly:music-property applycontext 'procedure)))
     (format #f "\\applyContext #~a"
-	    (or (procedure-name proc)
-		(with-output-to-string
-		  (lambda ()
-		    (pretty-print (procedure-source proc))))))))
+            (or (procedure-name proc)
+                (with-output-to-string
+                  (lambda ()
+                    (pretty-print (procedure-source proc))))))))
 
 ;;; \partcombine
 (define-display-method PartCombineMusic (expr parser)
   (format #f "\\partcombine ~{~a ~}"
-	  (map-in-order (lambda (music)
-			  (music->lily-string music parser))
-			(ly:music-property expr 'elements))))
+          (map-in-order (lambda (music)
+                          (music->lily-string music parser))
+                        (ly:music-property expr 'elements))))
 
 (define-extra-display-method PartCombineMusic (expr parser)
   (with-music-match (expr (music 'PartCombineMusic
-				 elements ((music 'UnrelativableMusic
-						  element (music 'ContextSpeccedMusic
-								 context-id "one"
-								 context-type 'Voice
-								 element ?sequence1))
-					   (music 'UnrelativableMusic
-						  element (music 'ContextSpeccedMusic
-								 context-id "two"
-								 context-type 'Voice
-								 element ?sequence2)))))
-    (format #f "\\partcombine ~a~a~a"
-	    (music->lily-string ?sequence1 parser)
-	    (new-line->lily-string)
-	    (music->lily-string ?sequence2 parser))))
+                                 elements ((music 'UnrelativableMusic
+                                                  element (music 'ContextSpeccedMusic
+                                                                 context-id "one"
+                                                                 context-type 'Voice
+                                                                 element ?sequence1))
+                                           (music 'UnrelativableMusic
+                                                  element (music 'ContextSpeccedMusic
+                                                                 context-id "two"
+                                                                 context-type 'Voice
+                                                                 element ?sequence2)))))
+                    (format #f "\\partcombine ~a~a~a"
+                            (music->lily-string ?sequence1 parser)
+                            (new-line->lily-string)
+                            (music->lily-string ?sequence2 parser))))
 
 (define-display-method UnrelativableMusic (expr parser)
   (music->lily-string (ly:music-property expr 'element) parser))
@@ -1050,19 +1050,19 @@ Otherwise, return #f."
 ;;; Cue notes
 (define-display-method QuoteMusic (expr parser)
   (or (with-music-match (expr (music
-			       'QuoteMusic
-			       quoted-voice-direction ?quoted-voice-direction
-			       quoted-music-name ?quoted-music-name
-			       quoted-context-id "cue"
-			       quoted-context-type 'Voice
-			       element ?music))
-	(format #f "\\cueDuring #~s #~a ~a"
-		?quoted-music-name
-		?quoted-voice-direction
-		(music->lily-string ?music parser)))
+                               'QuoteMusic
+                               quoted-voice-direction ?quoted-voice-direction
+                               quoted-music-name ?quoted-music-name
+                               quoted-context-id "cue"
+                               quoted-context-type 'Voice
+                               element ?music))
+                        (format #f "\\cueDuring #~s #~a ~a"
+                                ?quoted-music-name
+                                ?quoted-voice-direction
+                                (music->lily-string ?music parser)))
       (format #f "\\quoteDuring #~s ~a"
-	      (ly:music-property expr 'quoted-music-name)
-	      (music->lily-string (ly:music-property expr 'element) parser))))
+              (ly:music-property expr 'quoted-music-name)
+              (music->lily-string (ly:music-property expr 'element) parser))))
 
 ;;;
 ;;; Breaks
@@ -1084,21 +1084,21 @@ Otherwise, return #f."
 
 (define-extra-display-method EventChord (expr parser)
   (with-music-match (expr (music 'EventChord
-			    elements ((music 'LineBreakEvent
-					     break-permission 'force)
-				      (music 'PageBreakEvent
-					     break-permission 'force))))
-    "\\pageBreak"))
+                                 elements ((music 'LineBreakEvent
+                                                  break-permission 'force)
+                                           (music 'PageBreakEvent
+                                                  break-permission 'force))))
+                    "\\pageBreak"))
 
 (define-extra-display-method EventChord (expr parser)
   (with-music-match (expr (music 'EventChord
-			    elements ((music 'LineBreakEvent
-					     break-permission 'force)
-				      (music 'PageBreakEvent
-					     break-permission 'force)
-				      (music 'PageTurnEvent
-					     break-permission 'force))))
-    "\\pageTurn"))
+                                 elements ((music 'LineBreakEvent
+                                                  break-permission 'force)
+                                           (music 'PageBreakEvent
+                                                  break-permission 'force)
+                                           (music 'PageTurnEvent
+                                                  break-permission 'force))))
+                    "\\pageTurn"))
 
 ;;;
 ;;; Lyrics
@@ -1107,30 +1107,30 @@ Otherwise, return #f."
 ;;; \lyricsto
 (define-display-method LyricCombineMusic (expr parser)
   (format #f "\\lyricsto ~s ~a"
-	  (ly:music-property expr 'associated-context)
-	  (parameterize ((*explicit-mode* #f))
-	    (music->lily-string (ly:music-property expr 'element) parser))))
+          (ly:music-property expr 'associated-context)
+          (parameterize ((*explicit-mode* #f))
+                        (music->lily-string (ly:music-property expr 'element) parser))))
 
 ;; \addlyrics
 (define-extra-display-method SimultaneousMusic (expr parser)
   (with-music-match (expr (music 'SimultaneousMusic
-				 elements ((music 'ContextSpeccedMusic
-						  context-id ?id
-						  context-type 'Voice
-						  element ?note-sequence)
-					   (music 'ContextSpeccedMusic
-						  context-type 'Lyrics
-						  create-new #t
-						  element (music 'LyricCombineMusic
-								 associated-context ?associated-id
-								 element ?lyric-sequence)))))
-    (if (string=? ?id ?associated-id)
-	(format #f "~a~a \\addlyrics ~a"
-		(music->lily-string ?note-sequence parser)
-		(new-line->lily-string)
-		(parameterize ((*explicit-mode* #f))
-		  (music->lily-string ?lyric-sequence parser)))
-	#f)))
+                                 elements ((music 'ContextSpeccedMusic
+                                                  context-id ?id
+                                                  context-type 'Voice
+                                                  element ?note-sequence)
+                                           (music 'ContextSpeccedMusic
+                                                  context-type 'Lyrics
+                                                  create-new #t
+                                                  element (music 'LyricCombineMusic
+                                                                 associated-context ?associated-id
+                                                                 element ?lyric-sequence)))))
+                    (if (string=? ?id ?associated-id)
+                        (format #f "~a~a \\addlyrics ~a"
+                                (music->lily-string ?note-sequence parser)
+                                (new-line->lily-string)
+                                (parameterize ((*explicit-mode* #f))
+                                              (music->lily-string ?lyric-sequence parser)))
+                        #f)))
 
 ;; Silence internal event sent at end of each lyrics block
 (define-display-method CompletizeExtenderEvent (expr parser)
diff --git a/scm/define-music-properties.scm b/scm/define-music-properties.scm
index dbad0cf092..c796323c67 100644
--- a/scm/define-music-properties.scm
+++ b/scm/define-music-properties.scm
@@ -28,7 +28,7 @@
    (lambda (x) (apply music-property-description x))
    `(
      (absolute-octave ,integer?
-		      "The absolute octave for a octave check note.")
+                      "The absolute octave for a octave check note.")
      (alteration ,number? "Alteration for figured bass.")
      (alternative-dir ,ly:dir? "Indicates if an AlternativeMusic is the
 First (-1), Middle (0), or Last (1) of group of alternate endings.")
@@ -38,7 +38,7 @@ lettering should be incremented.")
 
 TODO: Consider making type into symbol.")
      (articulations ,ly:music-list?
-		    "Articulation events specifically for this note.")
+                    "Articulation events specifically for this note.")
      (associated-context ,string? "Name of the Voice context associated with
 this @code{\\lyricsto} section.")
      (augmented ,boolean? "This figure is for an augmented figured bass
@@ -58,7 +58,7 @@ TODO: Use SpanEvents?")
      (bracket-stop ,boolean? "Stop a bracket here.")
      (break-penalty ,number? "Penalty for line break hint.")
      (break-permission ,symbol?
-		       "Whether to allow, forbid or force a line break.")
+                       "Whether to allow, forbid or force a line break.")
 
      (cautionary ,boolean? "If set, this alteration needs a
 cautionary accidental.")
@@ -89,7 +89,7 @@ simultaneous music, or the alternatives of repeated music.")
      (elements-callback ,procedure? "Return a list of children, for use by
 a sequential iterator.  Takes a single music parameter.")
      (error-found ,boolean?
-		  "If true, a parsing error was found in this expression.")
+                  "If true, a parsing error was found in this expression.")
      (events ,list? "A list of events contained in this event.")
 
      (figure ,integer? "A bass figure.")
@@ -220,8 +220,8 @@ repeat element list.")
 FIXME: Naming.")
 
      (X-offset ,number?
-	       "Offset of resulting grob; only used for balloon texts.")
+               "Offset of resulting grob; only used for balloon texts.")
 
-     (Y-offset ,number?
-	       "Offset of resulting grob; only used for balloon texts.")
-    )))
+(Y-offset ,number?
+          "Offset of resulting grob; only used for balloon texts.")
+)))
diff --git a/scm/define-music-types.scm b/scm/define-music-types.scm
index e9c06e77d5..5cc5907fbc 100644
--- a/scm/define-music-types.scm
+++ b/scm/define-music-types.scm
@@ -1,7 +1,7 @@
 ;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
 ;;;; Copyright (C) 1998--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
-;;;;		     Jan Nieuwenhuizen <janneke@gnu.org>
+;;;;                 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;;
 ;;;; LilyPond is free software: you can redistribute it and/or modify
 ;;;; it under the terms of the GNU General Public License as published by
@@ -29,25 +29,25 @@
 Syntax: @var{note}@code{\\x}, where @code{\\x} is a dynamic mark like
 @code{\\ppp} or @code{\\sfz}.  A complete list is in file
 @file{ly/@/dynamic-scripts-init.ly}.")
-	(types . (general-music post-event event dynamic-event absolute-dynamic-event))
-	))
+        (types . (general-music post-event event dynamic-event absolute-dynamic-event))
+        ))
 
     (AlternativeEvent
      . ((description . "Create a alternative event.")
         (types . (general-music event alternative-event))
-	))
+        ))
 
     (AnnotateOutputEvent
      . ((description . "Print an annotation of an output element.")
-	(types . (general-music event annotate-output-event post-event))
-	))
+        (types . (general-music event annotate-output-event post-event))
+        ))
 
     (ApplyContext
      . ((description . "Call the argument with the current context during
 interpreting phase.")
-	(types . (general-music apply-context))
-	(iterator-ctor . ,ly:apply-context-iterator::constructor)
-	))
+        (types . (general-music apply-context))
+        (iterator-ctor . ,ly:apply-context-iterator::constructor)
+        ))
 
     (ApplyOutputEvent
      . ((description . "Call the argument with all current grobs during
@@ -57,15 +57,15 @@ Syntax: @code{\\applyOutput #'@var{context} @var{func}}
 
 Arguments to @var{func} are 1.@tie{}the grob, 2.@tie{}the originating
 context, and 3.@tie{}the context where @var{func} is called.")
-	(types . (general-music event apply-output-event))
-	))
+        (types . (general-music event apply-output-event))
+        ))
 
     (ArpeggioEvent
      . ((description . "Make an arpeggio on this note.
 
 Syntax: @w{@var{note}@code{-\\arpeggio}}")
-	(types . (general-music post-event arpeggio-event event))
-	))
+        (types . (general-music post-event arpeggio-event event))
+        ))
 
     ;; todo: use articulation-event for slur as well.
     ;; separate non articulation scripts
@@ -77,90 +77,90 @@ Syntax: @var{note}@code{x}@code{y}, where @code{x} is a direction\
 \n(no direction specified), and where @code{y} is an articulation\
 \n(such as @w{@code{-.}}, @w{@code{->}}, @code{\\tenuto}, @code{\\downbow}).
 See the Notation Reference for details.")
-	(types . (general-music post-event event articulation-event script-event))
-	))
+        (types . (general-music post-event event articulation-event script-event))
+        ))
 
     (AutoChangeMusic
      . ((description . "Used for making voices that switch between
 piano staves automatically.")
-	(iterator-ctor . ,ly:auto-change-iterator::constructor)
-	(start-callback . ,ly:music-wrapper::start-callback)
-	(length-callback . ,ly:music-wrapper::length-callback)
-	(types . (general-music music-wrapper-music auto-change-instruction))
-	))
+        (iterator-ctor . ,ly:auto-change-iterator::constructor)
+        (start-callback . ,ly:music-wrapper::start-callback)
+        (length-callback . ,ly:music-wrapper::length-callback)
+        (types . (general-music music-wrapper-music auto-change-instruction))
+        ))
 
     (BarCheck
      . ((description . "Check whether this music coincides with
 the start of the measure.")
-	(types . (general-music bar-check))
-	(iterator-ctor . ,ly:bar-check-iterator::constructor)
-	))
+        (types . (general-music bar-check))
+        (iterator-ctor . ,ly:bar-check-iterator::constructor)
+        ))
 
     (BassFigureEvent
      . ((description . "Print a bass-figure text.")
-	(types . (general-music event rhythmic-event bass-figure-event))
-	))
+        (types . (general-music event rhythmic-event bass-figure-event))
+        ))
 
     (BeamEvent
      . ((description . "Start or stop a beam.
 
 Syntax for manual control: @code{c8-[ c c-] c8}")
-	(types . (general-music post-event event beam-event span-event))
-	))
+        (types . (general-music post-event event beam-event span-event))
+        ))
 
     (BeamForbidEvent
      . ((description . "Specify that a note may not auto-beamed.")
-	(types . (general-music post-event event beam-forbid-event))
-	))
+        (types . (general-music post-event event beam-forbid-event))
+        ))
 
     (BreakDynamicSpanEvent
      . ((description . "End an alignment spanner for dynamics here.")
-	(types . (general-music post-event break-span-event break-dynamic-span-event event))
-	))
+        (types . (general-music post-event break-span-event break-dynamic-span-event event))
+        ))
 
     (BendAfterEvent
      . ((description . "A drop/@/fall/@/doit jazz articulation.")
-	(types . (general-music post-event bend-after-event event))))
+        (types . (general-music post-event bend-after-event event))))
 
     (BreathingEvent
      . ((description . "Create a @q{breath mark} or @q{comma}.
 
 Syntax: @var{note}@code{\\breathe}")
 
-	(types . (general-music event breathing-event))
-	))
+        (types . (general-music event breathing-event))
+        ))
 
     (ClusterNoteEvent
      . ((description . "A note that is part of a cluster.")
-	;; not a note-event, to ensure that Note_heads_engraver doesn't eat it.
-	(iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
-	(types . (general-music cluster-note-event melodic-event
-		  rhythmic-event event))
-	))
+        ;; not a note-event, to ensure that Note_heads_engraver doesn't eat it.
+        (iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
+        (types . (general-music cluster-note-event melodic-event
+                                rhythmic-event event))
+        ))
 
     (CompletizeExtenderEvent
      . ((description . "Used internally to signal the end of a lyrics block to
 ensure extenders are completed correctly when a @code{Lyrics} context ends
 before its associated @code{Voice} context.")
-	(types . (general-music completize-extender-event event))
-	))
+        (types . (general-music completize-extender-event event))
+        ))
 
     (ContextChange
      . ((description . "Change staves in Piano staff.
 
 Syntax: @code{\\change Staff = @var{new-id}}")
-	(iterator-ctor . ,ly:change-iterator::constructor)
-	(types . (general-music translator-change-instruction))
-	))
+        (iterator-ctor . ,ly:change-iterator::constructor)
+        (types . (general-music translator-change-instruction))
+        ))
 
     (ContextSpeccedMusic
      . ((description . "Interpret the argument music within a
 specific context.")
-	(iterator-ctor . ,ly:context-specced-music-iterator::constructor)
-	(length-callback . ,ly:music-wrapper::length-callback)
-	(start-callback . ,ly:music-wrapper::start-callback)
-	(types . (context-specification general-music music-wrapper-music))
-	))
+        (iterator-ctor . ,ly:context-specced-music-iterator::constructor)
+        (length-callback . ,ly:music-wrapper::length-callback)
+        (start-callback . ,ly:music-wrapper::start-callback)
+        (types . (context-specification general-music music-wrapper-music))
+        ))
 
     (CrescendoEvent
      . ((description . "Begin or end a crescendo.
@@ -169,9 +169,9 @@ Syntax: @var{note}@code{\\<} @dots{} @var{note}@code{\\!}
 
 An alternative syntax is @var{note}@code{\\cr} @dots{}
 @var{note}@code{\\endcr}.")
-	(types . (general-music post-event span-event span-dynamic-event crescendo-event
-		  event))
-	))
+        (types . (general-music post-event span-event span-dynamic-event crescendo-event
+                                event))
+        ))
 
     (DecrescendoEvent
      . ((description . "Begin or end a decrescendo.
@@ -180,24 +180,24 @@ Syntax: @var{note}@code{\\>} @dots{} @var{note}@code{\\!}
 
 An alternative syntax is @var{note}@code{\\decr} @dots{}
 @var{note}@code{\\enddecr}.")
-	(types . (general-music post-event span-event span-dynamic-event decrescendo-event
-		  event))
-	))
+        (types . (general-music post-event span-event span-dynamic-event decrescendo-event
+                                event))
+        ))
 
     (DoublePercentEvent
      . ((description . "Used internally to signal double percent repeats.")
-	(types . (general-music event double-percent-event rhythmic-event))
-	))
+        (types . (general-music event double-percent-event rhythmic-event))
+        ))
 
     (EpisemaEvent
      . ((description . "Begin or end an episema.")
-	(types . (general-music post-event span-event event episema-event))
-	))
+        (types . (general-music post-event span-event event episema-event))
+        ))
 
     (Event
      . ((description . "Atomic music event.")
-	(types . (general-music event))
-	))
+        (types . (general-music event))
+        ))
 
     (EventChord
      . ((description . "Explicitly entered chords.
@@ -209,96 +209,96 @@ attached by the parser just follow any rhythmic events in
 
 An unexpanded chord repetition @samp{q} is recognizable by having its
 duration stored in @code{duration}.")
-	(iterator-ctor . ,ly:event-chord-iterator::constructor)
-	(length-callback . ,ly:music-sequence::event-chord-length-callback)
-	(to-relative-callback .
-	 ,ly:music-sequence::event-chord-relative-callback)
-	(types . (general-music event-chord simultaneous-music))
-	))
+        (iterator-ctor . ,ly:event-chord-iterator::constructor)
+        (length-callback . ,ly:music-sequence::event-chord-length-callback)
+        (to-relative-callback .
+                              ,ly:music-sequence::event-chord-relative-callback)
+        (types . (general-music event-chord simultaneous-music))
+        ))
 
     (ExtenderEvent
      . ((description . "Extend lyrics.")
-	(types . (general-music post-event extender-event event))
-	))
+        (types . (general-music post-event extender-event event))
+        ))
 
     (FingeringEvent
      . ((description . "Specify what finger to use for this note.")
-	(types . (general-music post-event fingering-event event))
-	))
+        (types . (general-music post-event fingering-event event))
+        ))
 
     (FootnoteEvent
      . ((description . "Footnote a grob.")
-	(types . (general-music event footnote-event))
-	))
+        (types . (general-music event footnote-event))
+        ))
 
     (GlissandoEvent
      . ((description . "Start a glissando on this note.")
-	(types . (general-music post-event glissando-event event))
-	))
+        (types . (general-music post-event glissando-event event))
+        ))
 
     (GraceMusic
      . ((description . "Interpret the argument as grace notes.")
-	(start-callback . ,ly:grace-music::start-callback)
-	(length . ,ZERO-MOMENT)
-	(iterator-ctor . ,ly:grace-iterator::constructor)
-	(types . (grace-music music-wrapper-music general-music))
-	))
+        (start-callback . ,ly:grace-music::start-callback)
+        (length . ,ZERO-MOMENT)
+        (iterator-ctor . ,ly:grace-iterator::constructor)
+        (types . (grace-music music-wrapper-music general-music))
+        ))
 
     (HarmonicEvent
      . ((description . "Mark a note as harmonic.")
-	(types . (general-music post-event event harmonic-event))
-	))
+        (types . (general-music post-event event harmonic-event))
+        ))
 
     (HyphenEvent
      . ((description . "A hyphen between lyric syllables.")
-	(types . (general-music post-event hyphen-event event))
-	))
+        (types . (general-music post-event hyphen-event event))
+        ))
 
     (KeyChangeEvent
      . ((description . "Change the key signature.
 
 Syntax: @code{\\key} @var{name} @var{scale}")
-	(to-relative-callback . ,(lambda (x p) p))
-	(types . (general-music key-change-event event))
-	))
+        (to-relative-callback . ,(lambda (x p) p))
+        (types . (general-music key-change-event event))
+        ))
 
     (LabelEvent
      . ((description . "Place a bookmarking label.")
-	(types . (general-music label-event event))
-	))
+        (types . (general-music label-event event))
+        ))
 
     (LaissezVibrerEvent
      . ((description . "Don't damp this chord.
 
 Syntax: @var{note}@code{\\laissezVibrer}")
-	(types . (general-music post-event event laissez-vibrer-event))
-	))
+        (types . (general-music post-event event laissez-vibrer-event))
+        ))
 
     (LigatureEvent
      . ((description . "Start or end a ligature.")
-	(types . (general-music span-event ligature-event event))
-	))
+        (types . (general-music span-event ligature-event event))
+        ))
 
     (LineBreakEvent
      . ((description . "Allow, forbid or force a line break.")
-	(types . (general-music line-break-event break-event event))
-	))
+        (types . (general-music line-break-event break-event event))
+        ))
 
     (LyricCombineMusic
      . ((description . "Align lyrics to the start of notes.
 
 Syntax: @code{\\lyricsto} @var{voicename} @var{lyrics}")
-	(length . ,ZERO-MOMENT)
-	(types . (general-music lyric-combine-music))
-	(iterator-ctor . ,ly:lyric-combine-music-iterator::constructor)
-	))
+        (length . ,ZERO-MOMENT)
+        (types . (general-music lyric-combine-music))
+        (iterator-ctor . ,ly:lyric-combine-music-iterator::constructor)
+        ))
 
     (LyricEvent
      . ((description . "A lyric syllable.  Must be entered in lyrics mode,
 i.e., @code{\\lyrics @{ twinkle4 twinkle4 @} }.")
-	(iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
-	(types . (general-music rhythmic-event lyric-event event))
-	))
+        (iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
+        (types . (general-music rhythmic-event lyric-event event))
+        ))
 
     (MarkEvent
      . ((description . "Insert a rehearsal mark.
@@ -306,8 +306,8 @@ i.e., @code{\\lyrics @{ twinkle4 twinkle4 @} }.")
 Syntax: @code{\\mark} @var{marker}
 
 Example: @code{\\mark \"A\"}")
-	(types . (general-music mark-event event))
-	))
+        (types . (general-music mark-event event))
+        ))
 
     (MeasureCounterEvent
      . ((description . "Used to signal the start and end of a measure count.")
@@ -317,18 +317,18 @@ Example: @code{\\mark \"A\"}")
     (MultiMeasureRestEvent
      . ((description . "Used internally by @code{MultiMeasureRestMusic}
 to signal rests.")
-	(types . (general-music event rhythmic-event
-		  multi-measure-rest-event))
-	))
+        (types . (general-music event rhythmic-event
+                                multi-measure-rest-event))
+        ))
 
     (MultiMeasureRestMusic
      . ((description . "Rests that may be compressed into Multi rests.
 
 Syntax: @code{R2.*4} for 4 measures in 3/4 time.")
-	(iterator-ctor . ,ly:sequential-iterator::constructor)
-	(elements-callback . ,mm-rest-child-list)
-	(types . (general-music multi-measure-rest))
-	))
+        (iterator-ctor . ,ly:sequential-iterator::constructor)
+        (elements-callback . ,mm-rest-child-list)
+        (types . (general-music multi-measure-rest))
+        ))
 
     (MultiMeasureTextEvent
      . ((description . "Texts on multi measure rests.
@@ -336,13 +336,13 @@ Syntax: @code{R2.*4} for 4 measures in 3/4 time.")
 Syntax: @code{R-\\markup @{ \\roman \"bla\" @}}
 
 Note the explicit font switch.")
-	(types . (general-music post-event event multi-measure-text-event))
-	))
+        (types . (general-music post-event event multi-measure-text-event))
+        ))
 
     (Music
      . ((description . "Generic type for music expressions.")
-	(types . (general-music))
-	))
+        (types . (general-music))
+        ))
 
     (NoteEvent
      . ((description . "A note.
@@ -351,91 +351,91 @@ Outside of chords, any events in @code{articulations} with a listener
 are broadcast like chord articulations, the others are retained.
 
 For iteration inside of chords, @xref{EventChord}.")
-	(iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
-	(types . (general-music event note-event rhythmic-event
-		  melodic-event))
-	))
+        (iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
+        (types . (general-music event note-event rhythmic-event
+                                melodic-event))
+        ))
 
     (NoteGroupingEvent
      . ((description . "Start or stop grouping brackets.")
-	(types . (general-music post-event event note-grouping-event))
-	))
+        (types . (general-music post-event event note-grouping-event))
+        ))
 
     (OttavaMusic
      . ((description . "Start or stop an ottava bracket.")
-	(iterator-ctor . ,ly:sequential-iterator::constructor)
-	(elements-callback . ,make-ottava-set)
-	(types . (general-music ottava-music))
-	))
+        (iterator-ctor . ,ly:sequential-iterator::constructor)
+        (elements-callback . ,make-ottava-set)
+        (types . (general-music ottava-music))
+        ))
 
     (OverrideProperty
      . ((description . "Extend the definition of a graphical object.
 
 Syntax: @code{\\override} [ @var{context} @code{.} ]
 @var{object} @var{property} @code{=} @var{value}")
-	(types . (general-music layout-instruction-event
-		  override-property-event))
-	(iterator-ctor . ,ly:push-property-iterator::constructor)
-	(untransposable . #t)
-	))
+        (types . (general-music layout-instruction-event
+                                override-property-event))
+        (iterator-ctor . ,ly:push-property-iterator::constructor)
+        (untransposable . #t)
+        ))
 
     (PageBreakEvent
      . ((description . "Allow, forbid or force a page break.")
-	(types . (general-music break-event page-break-event event))
-	))
+        (types . (general-music break-event page-break-event event))
+        ))
 
     (PageTurnEvent
      . ((description . "Allow, forbid or force a page turn.")
-	(types . (general-music break-event page-turn-event event))
-	))
+        (types . (general-music break-event page-turn-event event))
+        ))
 
     (PartCombineForceEvent
      . ((description . "Override the part-combiner's strategy.")
-	(types . (general-music part-combine-force-event event))
-	))
+        (types . (general-music part-combine-force-event event))
+        ))
 
     (PartialSet
      . ((description . "Create an anacrusis or upbeat (partial measure).")
-	(iterator-ctor . ,ly:partial-iterator::constructor)
-	(types . (general-music partial-set))
+        (iterator-ctor . ,ly:partial-iterator::constructor)
+        (types . (general-music partial-set))
         ))
 
     (PartCombineMusic
      . ((description . "Combine two parts on a staff, either merged or
 as separate voices.")
-	(length-callback . ,ly:music-sequence::maximum-length-callback)
-	(start-callback . ,ly:music-sequence::minimum-start-callback)
-	(types . (general-music part-combine-music))
-	(iterator-ctor . ,ly:part-combine-iterator::constructor)
-	))
+        (length-callback . ,ly:music-sequence::maximum-length-callback)
+        (start-callback . ,ly:music-sequence::minimum-start-callback)
+        (types . (general-music part-combine-music))
+        (iterator-ctor . ,ly:part-combine-iterator::constructor)
+        ))
 
     (PercentEvent
      . ((description . "Used internally to signal percent repeats.")
-	(types . (general-music event percent-event rhythmic-event))
-	))
+        (types . (general-music event percent-event rhythmic-event))
+        ))
 
     (PercentRepeatedMusic
      . ((description . "Repeats encoded by percents and slashes.")
-	(iterator-ctor . ,ly:percent-repeat-iterator::constructor)
-	(start-callback .  ,ly:repeated-music::first-start)
-	(length-callback . ,ly:repeated-music::unfolded-music-length)
-	(types . (general-music repeated-music percent-repeated-music))
-	))
+        (iterator-ctor . ,ly:percent-repeat-iterator::constructor)
+        (start-callback .  ,ly:repeated-music::first-start)
+        (length-callback . ,ly:repeated-music::unfolded-music-length)
+        (types . (general-music repeated-music percent-repeated-music))
+        ))
 
     (PesOrFlexaEvent
      . ((description . "Within a ligature, mark the previous and the
 following note to form a pes (if melody goes up) or a flexa (if melody
 goes down).")
-	(types . (general-music pes-or-flexa-event event))
-	))
+        (types . (general-music pes-or-flexa-event event))
+        ))
 
     (PhrasingSlurEvent
      . ((description . "Start or end phrasing slur.
 
 Syntax: @var{note}@code{\\(} and @var{note}@code{\\)}")
         (spanner-id . "")
-	(types . (general-music post-event span-event event phrasing-slur-event))
-	))
+        (types . (general-music post-event span-event event phrasing-slur-event))
+        ))
 
     (PostEvents
      . ((description . "Container for several postevents.
@@ -447,212 +447,212 @@ This can be used to package several events into a single one.  Should not be see
      . ((description . "Set a context property.
 
 Syntax: @code{\\set @var{context}.@var{prop} = @var{scheme-val}}")
-	(types . (layout-instruction-event general-music))
-	(iterator-ctor . ,ly:property-iterator::constructor)
-	(untransposable . #t)
-	))
+        (types . (layout-instruction-event general-music))
+        (iterator-ctor . ,ly:property-iterator::constructor)
+        (untransposable . #t)
+        ))
 
     (PropertyUnset
      . ((description . "Restore the default setting for a context
 property.  See @ref{PropertySet}.
 
 Syntax: @code{\\unset @var{context}.@var{prop}}")
-	(types . (layout-instruction-event general-music))
-	(iterator-ctor . ,ly:property-unset-iterator::constructor)
-	))
+        (types . (layout-instruction-event general-music))
+        (iterator-ctor . ,ly:property-unset-iterator::constructor)
+        ))
 
     (QuoteMusic
      . ((description . "Quote preprocessed snippets of music.")
-	(iterator-ctor . ,ly:music-wrapper-iterator::constructor)
-	(length-callback . ,ly:music-wrapper::length-callback)
-	(start-callback . ,ly:music-wrapper::start-callback)
-	(types . (general-music music-wrapper-music))
-	))
+        (iterator-ctor . ,ly:music-wrapper-iterator::constructor)
+        (length-callback . ,ly:music-wrapper::length-callback)
+        (start-callback . ,ly:music-wrapper::start-callback)
+        (types . (general-music music-wrapper-music))
+        ))
 
     (RelativeOctaveCheck
      . ((description . "Check if a pitch is in the correct octave.")
-	(to-relative-callback . ,ly:relative-octave-check::relative-callback)
-	(types . (general-music relative-octave-check))
-	))
+        (to-relative-callback . ,ly:relative-octave-check::relative-callback)
+        (types . (general-music relative-octave-check))
+        ))
 
     (RelativeOctaveMusic
      . ((description . "Music that was entered in relative octave notation.")
-	(to-relative-callback . ,ly:relative-octave-music::relative-callback)
-	(iterator-ctor . ,ly:music-wrapper-iterator::constructor)
-	(length-callback . ,ly:music-wrapper::length-callback)
-	(start-callback . ,ly:music-wrapper::start-callback)
-	(types . (music-wrapper-music general-music relative-octave-music))
-	))
+        (to-relative-callback . ,ly:relative-octave-music::relative-callback)
+        (iterator-ctor . ,ly:music-wrapper-iterator::constructor)
+        (length-callback . ,ly:music-wrapper::length-callback)
+        (start-callback . ,ly:music-wrapper::start-callback)
+        (types . (music-wrapper-music general-music relative-octave-music))
+        ))
 
     (RepeatedMusic
      . ((description . "Repeat music in different ways.")
-	(types . (general-music repeated-music))
-	))
+        (types . (general-music repeated-music))
+        ))
 
     (RepeatSlashEvent
      . ((description . "Used internally to signal beat repeats.")
-	(types . (general-music event repeat-slash-event rhythmic-event))
-	))
+        (types . (general-music event repeat-slash-event rhythmic-event))
+        ))
 
     (RepeatTieEvent
      . ((description . "Ties for starting a second volta bracket.")
-	(types . (general-music post-event event repeat-tie-event))
-	))
+        (types . (general-music post-event event repeat-tie-event))
+        ))
 
     (RestEvent
      . ((description . "A Rest.
 
 Syntax: @code{r4} for a quarter rest.")
-	(iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
-	(types . (general-music event rhythmic-event rest-event))
-	))
+        (iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
+        (types . (general-music event rhythmic-event rest-event))
+        ))
 
     (RevertProperty
      . ((description . "The opposite of @ref{OverrideProperty}: remove a
 previously added property from a graphical object definition.")
-	(types . (general-music layout-instruction-event))
-	(iterator-ctor . ,ly:pop-property-iterator::constructor)
-	))
+        (types . (general-music layout-instruction-event))
+        (iterator-ctor . ,ly:pop-property-iterator::constructor)
+        ))
 
     (ScriptEvent
      . ((description . "Add an articulation mark to a note.")
-	(types . (general-music event))
-	))
+        (types . (general-music event))
+        ))
 
     (SequentialMusic
      . ((description . "Music expressions concatenated.
 
 Syntax: @code{\\sequential @{ @dots{} @}} or simply @code{@{ @dots{} @}}")
-	(length-callback . ,ly:music-sequence::cumulative-length-callback)
-	(start-callback . ,ly:music-sequence::first-start-callback)
-	(elements-callback . ,(lambda (m) (ly:music-property m 'elements)))
-	(iterator-ctor . ,ly:sequential-iterator::constructor)
-	(types . (general-music sequential-music))
-	))
+        (length-callback . ,ly:music-sequence::cumulative-length-callback)
+        (start-callback . ,ly:music-sequence::first-start-callback)
+        (elements-callback . ,(lambda (m) (ly:music-property m 'elements)))
+        (iterator-ctor . ,ly:sequential-iterator::constructor)
+        (types . (general-music sequential-music))
+        ))
 
     (SimultaneousMusic
      . ((description . "Music playing together.
 
 Syntax: @code{\\simultaneous @{ @dots{} @}} or @code{<< @dots{} >>}")
-	(iterator-ctor . ,ly:simultaneous-music-iterator::constructor)
-	(start-callback . ,ly:music-sequence::minimum-start-callback)
-	(length-callback . ,ly:music-sequence::maximum-length-callback)
-	(to-relative-callback .
-	 ,ly:music-sequence::simultaneous-relative-callback)
-	(types . (general-music simultaneous-music))
-	))
+        (iterator-ctor . ,ly:simultaneous-music-iterator::constructor)
+        (start-callback . ,ly:music-sequence::minimum-start-callback)
+        (length-callback . ,ly:music-sequence::maximum-length-callback)
+        (to-relative-callback .
+                              ,ly:music-sequence::simultaneous-relative-callback)
+        (types . (general-music simultaneous-music))
+        ))
 
     (SkipEvent
      . ((description . "Filler that takes up duration, but does not
 print anything.
 
 Syntax: @code{s4} for a skip equivalent to a quarter rest.")
-	(iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
-	(types . (general-music event rhythmic-event skip-event))
-	))
+        (iterator-ctor . ,ly:rhythmic-music-iterator::constructor)
+        (types . (general-music event rhythmic-event skip-event))
+        ))
 
     (SkipMusic
      . ((description . "Filler that takes up duration, does not
 print anything, and also does not create staves or voices implicitly.
 
 Syntax: @code{\\skip} @var{duration}")
-	(length-callback . ,ly:music-duration-length)
-	(iterator-ctor . ,ly:simple-music-iterator::constructor)
-	(types . (general-music event skip-event))
-	))
+        (length-callback . ,ly:music-duration-length)
+        (iterator-ctor . ,ly:simple-music-iterator::constructor)
+        (types . (general-music event skip-event))
+        ))
 
     (SlurEvent
      . ((description . "Start or end slur.
 
 Syntax: @var{note}@code{(} and @var{note}@code{)}")
         (spanner-id . "")
-	(types . (general-music post-event span-event event slur-event))
-	))
+        (types . (general-music post-event span-event event slur-event))
+        ))
 
     (SoloOneEvent
      . ((description . "Print @q{Solo@tie{}1}.")
-	(part-combine-status . solo1)
-	(types . (general-music event part-combine-event solo-one-event))
-	))
+        (part-combine-status . solo1)
+        (types . (general-music event part-combine-event solo-one-event))
+        ))
 
     (SoloTwoEvent
      . ((description . "Print @q{Solo@tie{}2}.")
-	(part-combine-status . solo2)
-	(types . (general-music event part-combine-event solo-two-event))
-	))
+        (part-combine-status . solo2)
+        (types . (general-music event part-combine-event solo-two-event))
+        ))
 
     (SostenutoEvent
      . ((description . "Depress or release sostenuto pedal.")
-	(types . (general-music post-event event pedal-event sostenuto-event))
-	))
+        (types . (general-music post-event event pedal-event sostenuto-event))
+        ))
 
     (SpacingSectionEvent
      . ((description . "Start a new spacing section.")
-	(types . (general-music event spacing-section-event))))
+        (types . (general-music event spacing-section-event))))
 
     (SpanEvent
      . ((description . "Event for anything that is started at a
 different time than stopped.")
-	(types . (general-music event))
-	))
+        (types . (general-music event))
+        ))
 
     (StaffSpanEvent
      . ((description . "Start or stop a staff symbol.")
-	(types . (general-music event span-event staff-span-event))
-     ))
+        (types . (general-music event span-event staff-span-event))
+        ))
 
     (StringNumberEvent
      . ((description . "Specify on which string to play this note.
 
 Syntax: @code{\\@var{number}}")
-	(types . (general-music post-event string-number-event event))
-	))
+        (types . (general-music post-event string-number-event event))
+        ))
 
     (StrokeFingerEvent
      . ((description . "Specify with which finger to pluck a string.
 
 Syntax: @code{\\rightHandFinger @var{text}}")
-	(types . (general-music post-event stroke-finger-event event))
-	))
+        (types . (general-music post-event stroke-finger-event event))
+        ))
 
     (SustainEvent
      . ((description . "Depress or release sustain pedal.")
-	(types . (general-music post-event event pedal-event sustain-event))
-	))
+        (types . (general-music post-event event pedal-event sustain-event))
+        ))
 
     (TempoChangeEvent
      . ((description . "A metronome mark or tempo indication.")
-	(types . (general-music event tempo-change-event))
-	))
+        (types . (general-music event tempo-change-event))
+        ))
 
     (TextScriptEvent
      . ((description . "Print text.")
-	(types . (general-music post-event script-event text-script-event event))
-	))
+        (types . (general-music post-event script-event text-script-event event))
+        ))
 
     (TextSpanEvent
      . ((description . "Start a text spanner, for example, an
 octavation.")
-	(types . (general-music post-event span-event event text-span-event))
-	))
+        (types . (general-music post-event span-event event text-span-event))
+        ))
 
     (TieEvent
      . ((description . "A tie.
 
 Syntax: @w{@var{note}@code{-~}}")
-	(types . (general-music post-event tie-event event))
-	))
+        (types . (general-music post-event tie-event event))
+        ))
 
     (TimeScaledMusic
      . ((description . "Multiply durations, as in tuplets.
 
 Syntax: @code{\\times @var{fraction} @var{music}}, e.g.,
 @code{\\times 2/3 @{ @dots{} @}} for triplets.")
-	(length-callback . ,ly:music-wrapper::length-callback)
-	(start-callback . ,ly:music-wrapper::start-callback)
-	(iterator-ctor . ,ly:tuplet-iterator::constructor)
-	(types . (time-scaled-music music-wrapper-music general-music))
-	))
+        (length-callback . ,ly:music-wrapper::length-callback)
+        (start-callback . ,ly:music-wrapper::start-callback)
+        (iterator-ctor . ,ly:tuplet-iterator::constructor)
+        (types . (time-scaled-music music-wrapper-music general-music))
+        ))
 
     (TimeSignatureMusic
      . ((description . "Set a new time signature")
@@ -663,87 +663,87 @@ Syntax: @code{\\times @var{fraction} @var{music}}, e.g.,
 
     (TransposedMusic
      . ((description . "Music that has been transposed.")
-	(iterator-ctor . ,ly:music-wrapper-iterator::constructor)
-	(start-callback . ,ly:music-wrapper::start-callback)
-	(length-callback . ,ly:music-wrapper::length-callback)
-	(to-relative-callback .
-	 ,ly:relative-octave-music::no-relative-callback)
-	(types . (music-wrapper-music general-music transposed-music))
-	))
+        (iterator-ctor . ,ly:music-wrapper-iterator::constructor)
+        (start-callback . ,ly:music-wrapper::start-callback)
+        (length-callback . ,ly:music-wrapper::length-callback)
+        (to-relative-callback .
+                              ,ly:relative-octave-music::no-relative-callback)
+        (types . (music-wrapper-music general-music transposed-music))
+        ))
 
     (TremoloEvent
      . ((description . "Unmeasured tremolo.")
-	(types . (general-music post-event event tremolo-event))
-	))
+        (types . (general-music post-event event tremolo-event))
+        ))
 
     (TremoloRepeatedMusic
      . ((description . "Repeated notes denoted by tremolo beams.")
-	(iterator-ctor . ,ly:chord-tremolo-iterator::constructor)
-	(start-callback .  ,ly:repeated-music::first-start)
-	;; the length of the repeat is handled by shifting the note logs
-	(length-callback . ,ly:repeated-music::folded-music-length)
-	(types . (general-music repeated-music tremolo-repeated-music))
-	))
+        (iterator-ctor . ,ly:chord-tremolo-iterator::constructor)
+        (start-callback .  ,ly:repeated-music::first-start)
+        ;; the length of the repeat is handled by shifting the note logs
+        (length-callback . ,ly:repeated-music::folded-music-length)
+        (types . (general-music repeated-music tremolo-repeated-music))
+        ))
 
     (TremoloSpanEvent
      . ((description . "Tremolo over two stems.")
-	(types . (general-music event span-event tremolo-span-event))
-	))
+        (types . (general-music event span-event tremolo-span-event))
+        ))
 
     (TrillSpanEvent
      . ((description . "Start a trill spanner.")
-	(types . (general-music post-event span-event event trill-span-event))
-	))
+        (types . (general-music post-event span-event event trill-span-event))
+        ))
 
     (TupletSpanEvent
      . ((description . "Used internally to signal where tuplet
 brackets start and stop.")
-	(types . (tuplet-span-event span-event event general-music post-event))
-       ))
+        (types . (tuplet-span-event span-event event general-music post-event))
+        ))
 
     (UnaCordaEvent
      . ((description . "Depress or release una-corda pedal.")
-	(types . (general-music post-event event pedal-event una-corda-event))
-	))
+        (types . (general-music post-event event pedal-event una-corda-event))
+        ))
 
     (UnfoldedRepeatedMusic
      . ((description . "Repeated music which is fully written
 (and played) out.")
-	(iterator-ctor . ,ly:unfolded-repeat-iterator::constructor)
-	(start-callback .  ,ly:repeated-music::first-start)
-	(types . (general-music repeated-music unfolded-repeated-music))
-	(length-callback . ,ly:repeated-music::unfolded-music-length)
-	))
+        (iterator-ctor . ,ly:unfolded-repeat-iterator::constructor)
+        (start-callback .  ,ly:repeated-music::first-start)
+        (types . (general-music repeated-music unfolded-repeated-music))
+        (length-callback . ,ly:repeated-music::unfolded-music-length)
+        ))
 
     (UnisonoEvent
      . ((description . "Print @q{a@tie{}2}.")
-	(part-combine-status . unisono)
-	(types . (general-music event part-combine-event unisono-event))))
+        (part-combine-status . unisono)
+        (types . (general-music event part-combine-event unisono-event))))
 
     (UnrelativableMusic
      . ((description . "Music that cannot be converted from relative
 to absolute notation.  For example, transposed music.")
-	(to-relative-callback . ,ly:relative-octave-music::no-relative-callback)
-	(iterator-ctor . ,ly:music-wrapper-iterator::constructor)
-	(length-callback . ,ly:music-wrapper::length-callback)
-	(types . (music-wrapper-music general-music unrelativable-music))
-	))
+        (to-relative-callback . ,ly:relative-octave-music::no-relative-callback)
+        (iterator-ctor . ,ly:music-wrapper-iterator::constructor)
+        (length-callback . ,ly:music-wrapper::length-callback)
+        (types . (music-wrapper-music general-music unrelativable-music))
+        ))
 
     (VoiceSeparator
      . ((description . "Separate polyphonic voices in simultaneous music.
 
 Syntax: @code{\\\\}")
-	(types . (separator general-music))
-	))
+        (types . (separator general-music))
+        ))
 
     (VoltaRepeatedMusic
      . ((description . "Repeats with alternatives placed sequentially.")
-	(iterator-ctor . ,ly:volta-repeat-iterator::constructor)
-	(elements-callback . ,make-volta-set)
-	(start-callback .  ,ly:repeated-music::first-start)
-	(length-callback . ,ly:repeated-music::volta-music-length)
-	(types . (general-music repeated-music volta-repeated-music))
-	))
+        (iterator-ctor . ,ly:volta-repeat-iterator::constructor)
+        (elements-callback . ,make-volta-set)
+        (start-callback .  ,ly:repeated-music::first-start)
+        (length-callback . ,ly:repeated-music::volta-music-length)
+        (types . (general-music repeated-music volta-repeated-music))
+        ))
     ))
 
 (set! music-descriptions
@@ -756,14 +756,14 @@ Syntax: @code{\\\\}")
 (set!
  music-descriptions
  (map (lambda (x)
-	(set-object-property! (car x)
-			      'music-description
-			      (cdr (assq 'description (cdr x))))
-	(let ((lst (cdr x)))
-	  (set! lst (assoc-set! lst 'name (car x)))
-	  (set! lst (assq-remove! lst 'description))
-	  (hashq-set! music-name-to-property-table (car x) lst)
-	  (cons (car x) lst)))
+        (set-object-property! (car x)
+                              'music-description
+                              (cdr (assq 'description (cdr x))))
+        (let ((lst (cdr x)))
+          (set! lst (assoc-set! lst 'name (car x)))
+          (set! lst (assq-remove! lst 'description))
+          (hashq-set! music-name-to-property-table (car x) lst)
+          (cons (car x) lst)))
       music-descriptions))
 
 (define-safe-public (make-music name . music-properties)
@@ -771,33 +771,33 @@ Syntax: @code{\\\\}")
 according to @code{music-properties}, a list of alternating property symbols
 and values. E.g:
   (make-music 'OverrideProperty
-	      'symbol 'Stem
-	      'grob-property 'thickness
-	      'grob-value (* 2 1.5))"
+              'symbol 'Stem
+              'grob-property 'thickness
+              'grob-value (* 2 1.5))"
   (if (not (symbol? name))
       (ly:error (_ "symbol expected: ~S") name))
   (let ((props (hashq-ref music-name-to-property-table name '())))
     (if (not (pair? props))
-	(ly:error (_ "cannot find music object: ~S") name))
+        (ly:error (_ "cannot find music object: ~S") name))
     (let ((m (ly:make-music props)))
       (define (set-props mus-props)
-	(if (and (not (null? mus-props))
-		 (not (null? (cdr mus-props))))
-	    (begin
-	      (set! (ly:music-property m (car mus-props)) (cadr mus-props))
-	      (set-props (cddr mus-props)))))
+        (if (and (not (null? mus-props))
+                 (not (null? (cdr mus-props))))
+            (begin
+              (set! (ly:music-property m (car mus-props)) (cadr mus-props))
+              (set-props (cddr mus-props)))))
       (set-props music-properties)
       m)))
 
 (define-public (make-repeated-music name)
   (let* ((repeated-music (assoc-get name '(("volta" . VoltaRepeatedMusic)
-					   ("unfold" . UnfoldedRepeatedMusic)
-					   ("percent" . PercentRepeatedMusic)
-					   ("tremolo" . TremoloRepeatedMusic))))
-	 (repeated-music-name (if repeated-music
-				  repeated-music
-        			  (begin
-				    (ly:warning (_ "unknown repeat type `~S'") name)
-				    (ly:warning (_ "See define-music-types.scm for supported repeats"))
-				    'VoltaRepeatedMusic))))
+                                           ("unfold" . UnfoldedRepeatedMusic)
+                                           ("percent" . PercentRepeatedMusic)
+                                           ("tremolo" . TremoloRepeatedMusic))))
+         (repeated-music-name (if repeated-music
+                                  repeated-music
+                                  (begin
+                                    (ly:warning (_ "unknown repeat type `~S'") name)
+                                    (ly:warning (_ "See define-music-types.scm for supported repeats"))
+                                    'VoltaRepeatedMusic))))
     (make-music repeated-music-name)))
diff --git a/scm/define-note-names.scm b/scm/define-note-names.scm
index f8b6dad6a4..6136af0c51 100644
--- a/scm/define-note-names.scm
+++ b/scm/define-note-names.scm
@@ -57,80 +57,80 @@
     ;;    Dutch: c  d  e  f  g  a  b  h
 
     (nederlands . (
-		   (ceses . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-		   (ceh . ,(ly:make-pitch -1 0 SEMI-FLAT))
-		   (ces . ,(ly:make-pitch -1 0 FLAT))
-		   (ceseh . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
-		   (c . ,(ly:make-pitch -1 0 NATURAL))
-		   (cis . ,(ly:make-pitch -1 0 SHARP))
-		   (cih . ,(ly:make-pitch -1 0 SEMI-SHARP))
-		   (cisih . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
-		   (cisis . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-		   (deses . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-
-		   (deh . ,(ly:make-pitch -1 1 SEMI-FLAT))
-		   (des . ,(ly:make-pitch -1 1 FLAT))
-		   (deseh . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
-		   (d . ,(ly:make-pitch -1 1 NATURAL))
-		   (dis . ,(ly:make-pitch -1 1 SHARP))
-		   (dih . ,(ly:make-pitch -1 1 SEMI-SHARP))
-		   (disih . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
-		   (disis . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-		   (eeses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-		   (eses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-
-		   (eeh . ,(ly:make-pitch -1 2 SEMI-FLAT))
-		   (ees . ,(ly:make-pitch -1 2 FLAT))
-		   (eeseh . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
-		   (es . ,(ly:make-pitch -1 2 FLAT))
-		   (e . ,(ly:make-pitch -1 2 NATURAL))
-		   (eis . ,(ly:make-pitch -1 2 SHARP))
-		   (eih . ,(ly:make-pitch -1 2 SEMI-SHARP))
-		   (eisih . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
-		   (eisis . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-		   (feses . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-
-		   (feh . ,(ly:make-pitch -1 3 SEMI-FLAT))
-		   (fes . ,(ly:make-pitch -1 3 FLAT))
-		   (feseh . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
-		   (f . ,(ly:make-pitch -1 3 NATURAL))
-		   (fis . ,(ly:make-pitch -1 3 SHARP))
-		   (fih . ,(ly:make-pitch -1 3 SEMI-SHARP))
-		   (fisih . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
-		   (fisis . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-		   (geses . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-
-		   (geh . ,(ly:make-pitch -1 4 SEMI-FLAT))
-		   (ges . ,(ly:make-pitch -1 4 FLAT))
-		   (geseh . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
-		   (g . ,(ly:make-pitch -1 4 NATURAL))
-		   (gis . ,(ly:make-pitch -1 4 SHARP))
-		   (gih . ,(ly:make-pitch -1 4 SEMI-SHARP))
-		   (gisih . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
-		   (gisis . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-		   (aeses . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-		   (ases . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-
-		   (aeh . ,(ly:make-pitch -1 5 SEMI-FLAT))
-		   (aes . ,(ly:make-pitch -1 5 FLAT))
-		   (aeseh . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
-		   (as . ,(ly:make-pitch -1 5 FLAT))
-		   (a . ,(ly:make-pitch -1 5 NATURAL))
-		   (ais . ,(ly:make-pitch -1 5 SHARP))
-		   (aih . ,(ly:make-pitch -1 5 SEMI-SHARP))
-		   (aisih . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
-		   (aisis . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-		   (beses . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-
-		   (beh . ,(ly:make-pitch -1 6 SEMI-FLAT))
-		   (bes . ,(ly:make-pitch -1 6 FLAT))
-		   (beseh . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
-		   (b . ,(ly:make-pitch -1 6 NATURAL))
-		   (bis . ,(ly:make-pitch -1 6 SHARP))
-		   (bih . ,(ly:make-pitch -1 6 SEMI-SHARP))
-		   (bisih . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
-		   (bisis . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-		   ))
+                   (ceses . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+                   (ceh . ,(ly:make-pitch -1 0 SEMI-FLAT))
+                   (ces . ,(ly:make-pitch -1 0 FLAT))
+                   (ceseh . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
+                   (c . ,(ly:make-pitch -1 0 NATURAL))
+                   (cis . ,(ly:make-pitch -1 0 SHARP))
+                   (cih . ,(ly:make-pitch -1 0 SEMI-SHARP))
+                   (cisih . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
+                   (cisis . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+                   (deses . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+
+                   (deh . ,(ly:make-pitch -1 1 SEMI-FLAT))
+                   (des . ,(ly:make-pitch -1 1 FLAT))
+                   (deseh . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
+                   (d . ,(ly:make-pitch -1 1 NATURAL))
+                   (dis . ,(ly:make-pitch -1 1 SHARP))
+                   (dih . ,(ly:make-pitch -1 1 SEMI-SHARP))
+                   (disih . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
+                   (disis . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+                   (eeses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+                   (eses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+
+                   (eeh . ,(ly:make-pitch -1 2 SEMI-FLAT))
+                   (ees . ,(ly:make-pitch -1 2 FLAT))
+                   (eeseh . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
+                   (es . ,(ly:make-pitch -1 2 FLAT))
+                   (e . ,(ly:make-pitch -1 2 NATURAL))
+                   (eis . ,(ly:make-pitch -1 2 SHARP))
+                   (eih . ,(ly:make-pitch -1 2 SEMI-SHARP))
+                   (eisih . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
+                   (eisis . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+                   (feses . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+
+                   (feh . ,(ly:make-pitch -1 3 SEMI-FLAT))
+                   (fes . ,(ly:make-pitch -1 3 FLAT))
+                   (feseh . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
+                   (f . ,(ly:make-pitch -1 3 NATURAL))
+                   (fis . ,(ly:make-pitch -1 3 SHARP))
+                   (fih . ,(ly:make-pitch -1 3 SEMI-SHARP))
+                   (fisih . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
+                   (fisis . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+                   (geses . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+
+                   (geh . ,(ly:make-pitch -1 4 SEMI-FLAT))
+                   (ges . ,(ly:make-pitch -1 4 FLAT))
+                   (geseh . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
+                   (g . ,(ly:make-pitch -1 4 NATURAL))
+                   (gis . ,(ly:make-pitch -1 4 SHARP))
+                   (gih . ,(ly:make-pitch -1 4 SEMI-SHARP))
+                   (gisih . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
+                   (gisis . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+                   (aeses . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+                   (ases . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+
+                   (aeh . ,(ly:make-pitch -1 5 SEMI-FLAT))
+                   (aes . ,(ly:make-pitch -1 5 FLAT))
+                   (aeseh . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
+                   (as . ,(ly:make-pitch -1 5 FLAT))
+                   (a . ,(ly:make-pitch -1 5 NATURAL))
+                   (ais . ,(ly:make-pitch -1 5 SHARP))
+                   (aih . ,(ly:make-pitch -1 5 SEMI-SHARP))
+                   (aisih . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
+                   (aisis . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+                   (beses . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+
+                   (beh . ,(ly:make-pitch -1 6 SEMI-FLAT))
+                   (bes . ,(ly:make-pitch -1 6 FLAT))
+                   (beseh . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
+                   (b . ,(ly:make-pitch -1 6 NATURAL))
+                   (bis . ,(ly:make-pitch -1 6 SHARP))
+                   (bih . ,(ly:make-pitch -1 6 SEMI-SHARP))
+                   (bisih . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
+                   (bisis . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+                   ))
 
 
     ;; Language: Catalan -----------------------------------------------;
@@ -149,58 +149,58 @@
     ;;  Catalan: do  re  mi  fa  sol la  si
 
     (catalan . (
-		(dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-		(dob . ,(ly:make-pitch -1 0 FLAT))
-		(do . ,(ly:make-pitch -1 0 NATURAL))
-		(dod . ,(ly:make-pitch -1 0 SHARP))
-		(dodd . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-		(rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-		(reb . ,(ly:make-pitch -1 1 FLAT))
-		(re . ,(ly:make-pitch -1 1 NATURAL))
-		(red . ,(ly:make-pitch -1 1 SHARP))
-		(redd . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-		(mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-		(mib . ,(ly:make-pitch -1 2 FLAT))
-		(mi . ,(ly:make-pitch -1 2 NATURAL))
-		(mid . ,(ly:make-pitch -1 2 SHARP))
-		(midd . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-		(fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-		(fab . ,(ly:make-pitch -1 3 FLAT))
-		(fa . ,(ly:make-pitch -1 3 NATURAL))
-		(fad . ,(ly:make-pitch -1 3 SHARP))
-		(fadd . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-		(solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-		(solb . ,(ly:make-pitch -1 4 FLAT))
-		(sol . ,(ly:make-pitch -1 4 NATURAL))
-		(sold . ,(ly:make-pitch -1 4 SHARP))
-		(soldd . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-		(labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-		(lab . ,(ly:make-pitch -1 5 FLAT))
-		(la . ,(ly:make-pitch -1 5 NATURAL))
-		(lad . ,(ly:make-pitch -1 5 SHARP))
-		(ladd . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-		(sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-		(sib . ,(ly:make-pitch -1 6 FLAT))
-		(si . ,(ly:make-pitch -1 6 NATURAL))
-		(sid . ,(ly:make-pitch -1 6 SHARP))
-		(sidd . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-
-		;; Now that we have espanol.ly, should these be junked? --jcn
-		(dos . ,(ly:make-pitch -1 0 SHARP))
-		(doss . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-		(res . ,(ly:make-pitch -1 1 SHARP))
-		(ress . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-		(mis . ,(ly:make-pitch -1 2 SHARP))
-		(miss . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-		(fas . ,(ly:make-pitch -1 3 SHARP))
-		(fass . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-		(sols . ,(ly:make-pitch -1 4 SHARP))
-		(solss . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-		(las . ,(ly:make-pitch -1 5 SHARP))
-		(lass . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-		(sis . ,(ly:make-pitch -1 6 SHARP))
-		(siss . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-		))
+                (dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+                (dob . ,(ly:make-pitch -1 0 FLAT))
+                (do . ,(ly:make-pitch -1 0 NATURAL))
+                (dod . ,(ly:make-pitch -1 0 SHARP))
+                (dodd . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+                (rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+                (reb . ,(ly:make-pitch -1 1 FLAT))
+                (re . ,(ly:make-pitch -1 1 NATURAL))
+                (red . ,(ly:make-pitch -1 1 SHARP))
+                (redd . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+                (mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+                (mib . ,(ly:make-pitch -1 2 FLAT))
+                (mi . ,(ly:make-pitch -1 2 NATURAL))
+                (mid . ,(ly:make-pitch -1 2 SHARP))
+                (midd . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+                (fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+                (fab . ,(ly:make-pitch -1 3 FLAT))
+                (fa . ,(ly:make-pitch -1 3 NATURAL))
+                (fad . ,(ly:make-pitch -1 3 SHARP))
+                (fadd . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+                (solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+                (solb . ,(ly:make-pitch -1 4 FLAT))
+                (sol . ,(ly:make-pitch -1 4 NATURAL))
+                (sold . ,(ly:make-pitch -1 4 SHARP))
+                (soldd . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+                (labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+                (lab . ,(ly:make-pitch -1 5 FLAT))
+                (la . ,(ly:make-pitch -1 5 NATURAL))
+                (lad . ,(ly:make-pitch -1 5 SHARP))
+                (ladd . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+                (sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+                (sib . ,(ly:make-pitch -1 6 FLAT))
+                (si . ,(ly:make-pitch -1 6 NATURAL))
+                (sid . ,(ly:make-pitch -1 6 SHARP))
+                (sidd . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+
+                ;; Now that we have espanol.ly, should these be junked? --jcn
+                (dos . ,(ly:make-pitch -1 0 SHARP))
+                (doss . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+                (res . ,(ly:make-pitch -1 1 SHARP))
+                (ress . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+                (mis . ,(ly:make-pitch -1 2 SHARP))
+                (miss . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+                (fas . ,(ly:make-pitch -1 3 SHARP))
+                (fass . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+                (sols . ,(ly:make-pitch -1 4 SHARP))
+                (solss . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+                (las . ,(ly:make-pitch -1 5 SHARP))
+                (lass . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+                (sis . ,(ly:make-pitch -1 6 SHARP))
+                (siss . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+                ))
 
 
     ;; Language: Deutsch -----------------------------------------------;
@@ -221,78 +221,78 @@
     ;;   German: c  d  e  f  g  a  b  h
 
     (deutsch . (
-		(ceses . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-		(ceseh . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
-		(ces . ,(ly:make-pitch -1 0 FLAT))
-		(ceh . ,(ly:make-pitch -1 0 SEMI-FLAT))
-		(c . ,(ly:make-pitch -1 0 NATURAL))
-		(cih . ,(ly:make-pitch -1 0 SEMI-SHARP))
-		(cis . ,(ly:make-pitch -1 0 SHARP))
-		(cisih . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
-		(cisis . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-
-		(deses . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-		(deseh . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
-		(des . ,(ly:make-pitch -1 1 FLAT))
-		(deh . ,(ly:make-pitch -1 1 SEMI-FLAT))
-		(d . ,(ly:make-pitch -1 1 NATURAL))
-		(dih . ,(ly:make-pitch -1 1 SEMI-SHARP))
-		(dis . ,(ly:make-pitch -1 1 SHARP))
-		(disih . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
-		(disis . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-
-		(eses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-		(eseh . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
-		(es . ,(ly:make-pitch -1 2 FLAT))
-		(eeh . ,(ly:make-pitch -1 2 SEMI-FLAT))
-		(e . ,(ly:make-pitch -1 2 NATURAL))
-		(eih . ,(ly:make-pitch -1 2 SEMI-SHARP))
-		(eis . ,(ly:make-pitch -1 2 SHARP))
-		(eisih . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
-		(eisis . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-
-		(feses . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-		(feseh . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
-		(fes . ,(ly:make-pitch -1 3 FLAT))
-		(feh . ,(ly:make-pitch -1 3 SEMI-FLAT))
-		(f . ,(ly:make-pitch -1 3 NATURAL))
-		(fih . ,(ly:make-pitch -1 3 SEMI-SHARP))
-		(fis . ,(ly:make-pitch -1 3 SHARP))
-		(fisih . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
-		(fisis . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-
-		(geses . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-		(geseh . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
-		(ges . ,(ly:make-pitch -1 4 FLAT))
-		(geh . ,(ly:make-pitch -1 4 SEMI-FLAT))
-		(g . ,(ly:make-pitch -1 4 NATURAL))
-		(gih . ,(ly:make-pitch -1 4 SEMI-SHARP))
-		(gis . ,(ly:make-pitch -1 4 SHARP))
-		(gisih . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
-		(gisis . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-
-		(asas . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-		(asah . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
-		(ases . ,(ly:make-pitch -1 5 DOUBLE-FLAT))   ;;non-standard name for asas
-		(aseh . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
-		(as . ,(ly:make-pitch -1 5 FLAT))
-		(aeh . ,(ly:make-pitch -1 5 SEMI-FLAT))
-		(a . ,(ly:make-pitch -1 5 NATURAL))
-		(aih . ,(ly:make-pitch -1 5 SEMI-SHARP))
-		(ais . ,(ly:make-pitch -1 5 SHARP))
-		(aisih . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
-		(aisis . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-
-		(heses . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-		(heseh . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
-		(b . ,(ly:make-pitch -1 6 FLAT))
-		(beh . ,(ly:make-pitch -1 6 SEMI-FLAT))
-		(h . ,(ly:make-pitch -1 6 NATURAL))
-		(hih . ,(ly:make-pitch -1 6 SEMI-SHARP))
-		(his . ,(ly:make-pitch -1 6 SHARP))
-		(hisih . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
-		(hisis . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-		))
+                (ceses . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+                (ceseh . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
+                (ces . ,(ly:make-pitch -1 0 FLAT))
+                (ceh . ,(ly:make-pitch -1 0 SEMI-FLAT))
+                (c . ,(ly:make-pitch -1 0 NATURAL))
+                (cih . ,(ly:make-pitch -1 0 SEMI-SHARP))
+                (cis . ,(ly:make-pitch -1 0 SHARP))
+                (cisih . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
+                (cisis . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+
+                (deses . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+                (deseh . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
+                (des . ,(ly:make-pitch -1 1 FLAT))
+                (deh . ,(ly:make-pitch -1 1 SEMI-FLAT))
+                (d . ,(ly:make-pitch -1 1 NATURAL))
+                (dih . ,(ly:make-pitch -1 1 SEMI-SHARP))
+                (dis . ,(ly:make-pitch -1 1 SHARP))
+                (disih . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
+                (disis . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+
+                (eses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+                (eseh . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
+                (es . ,(ly:make-pitch -1 2 FLAT))
+                (eeh . ,(ly:make-pitch -1 2 SEMI-FLAT))
+                (e . ,(ly:make-pitch -1 2 NATURAL))
+                (eih . ,(ly:make-pitch -1 2 SEMI-SHARP))
+                (eis . ,(ly:make-pitch -1 2 SHARP))
+                (eisih . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
+                (eisis . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+
+                (feses . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+                (feseh . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
+                (fes . ,(ly:make-pitch -1 3 FLAT))
+                (feh . ,(ly:make-pitch -1 3 SEMI-FLAT))
+                (f . ,(ly:make-pitch -1 3 NATURAL))
+                (fih . ,(ly:make-pitch -1 3 SEMI-SHARP))
+                (fis . ,(ly:make-pitch -1 3 SHARP))
+                (fisih . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
+                (fisis . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+
+                (geses . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+                (geseh . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
+                (ges . ,(ly:make-pitch -1 4 FLAT))
+                (geh . ,(ly:make-pitch -1 4 SEMI-FLAT))
+                (g . ,(ly:make-pitch -1 4 NATURAL))
+                (gih . ,(ly:make-pitch -1 4 SEMI-SHARP))
+                (gis . ,(ly:make-pitch -1 4 SHARP))
+                (gisih . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
+                (gisis . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+
+                (asas . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+                (asah . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
+                (ases . ,(ly:make-pitch -1 5 DOUBLE-FLAT))   ;;non-standard name for asas
+                (aseh . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
+                (as . ,(ly:make-pitch -1 5 FLAT))
+                (aeh . ,(ly:make-pitch -1 5 SEMI-FLAT))
+                (a . ,(ly:make-pitch -1 5 NATURAL))
+                (aih . ,(ly:make-pitch -1 5 SEMI-SHARP))
+                (ais . ,(ly:make-pitch -1 5 SHARP))
+                (aisih . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
+                (aisis . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+
+                (heses . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+                (heseh . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
+                (b . ,(ly:make-pitch -1 6 FLAT))
+                (beh . ,(ly:make-pitch -1 6 SEMI-FLAT))
+                (h . ,(ly:make-pitch -1 6 NATURAL))
+                (hih . ,(ly:make-pitch -1 6 SEMI-SHARP))
+                (his . ,(ly:make-pitch -1 6 SHARP))
+                (hisih . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
+                (hisis . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+                ))
 
 
     ;; Language: English -----------------------------------------------;
@@ -310,119 +310,119 @@
     ;;  tqs = three-quarter[-tones] sharp
 
     (english . (
-		(cflatflat . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-		(cflat . ,(ly:make-pitch -1 0 FLAT))
-		(c . ,(ly:make-pitch -1 0 NATURAL))
-		(csharp . ,(ly:make-pitch -1 0 SHARP))
-		(csharpsharp . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-		(dflatflat . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-		(dflat . ,(ly:make-pitch -1 1 FLAT))
-		(d . ,(ly:make-pitch -1 1 NATURAL))
-		(dsharp . ,(ly:make-pitch -1 1 SHARP))
-		(dsharpsharp . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-		(eflatflat . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-		(eflat . ,(ly:make-pitch -1 2 FLAT))
-		(e . ,(ly:make-pitch -1 2 NATURAL))
-		(esharp . ,(ly:make-pitch -1 2 SHARP))
-		(esharpsharp . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-		(fflatflat . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-		(fflat . ,(ly:make-pitch -1 3 FLAT))
-		(f . ,(ly:make-pitch -1 3 NATURAL))
-		(fsharp . ,(ly:make-pitch -1 3 SHARP))
-		(fsharpsharp . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-		(gflatflat . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-		(gflat . ,(ly:make-pitch -1 4 FLAT))
-		(g . ,(ly:make-pitch -1 4 NATURAL))
-		(gsharp . ,(ly:make-pitch -1 4 SHARP))
-		(gsharpsharp . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-		(aflatflat . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-		(aflat . ,(ly:make-pitch -1 5 FLAT))
-		(a . ,(ly:make-pitch -1 5 NATURAL))
-		(asharp . ,(ly:make-pitch -1 5 SHARP))
-		(asharpsharp . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-		(bflatflat . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-		(bflat . ,(ly:make-pitch -1 6 FLAT))
-		(b . ,(ly:make-pitch -1 6 NATURAL))
-		(bsharp . ,(ly:make-pitch -1 6 SHARP))
-		(bsharpsharp . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-
-		(cff . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-		(ctqf . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
-		(cf . ,(ly:make-pitch -1 0 FLAT))
-		(cqf . ,(ly:make-pitch -1 0 SEMI-FLAT))
-		(c . ,(ly:make-pitch -1 0 NATURAL))
-		(cqs . ,(ly:make-pitch -1 0 SEMI-SHARP))
-		(cs . ,(ly:make-pitch -1 0 SHARP))
-		(ctqs . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
-		(css . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-		(cx . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-
-		(dff . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-		(dtqf . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
-		(df . ,(ly:make-pitch -1 1 FLAT))
-		(dqf . ,(ly:make-pitch -1 1 SEMI-FLAT))
-		(d . ,(ly:make-pitch -1 1 NATURAL))
-		(dqs . ,(ly:make-pitch -1 1 SEMI-SHARP))
-		(ds . ,(ly:make-pitch -1 1 SHARP))
-		(dtqs . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
-		(dss . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-		(dx . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-
-		(eff . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-		(etqf . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
-		(ef . ,(ly:make-pitch -1 2 FLAT))
-		(eqf . ,(ly:make-pitch -1 2 SEMI-FLAT))
-		(e . ,(ly:make-pitch -1 2 NATURAL))
-		(eqs . ,(ly:make-pitch -1 2 SEMI-SHARP))
-		(es . ,(ly:make-pitch -1 2 SHARP))
-		(etqs . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
-		(ess . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-		(ex . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-
-		(fff . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-		(ftqf . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
-		(ff . ,(ly:make-pitch -1 3 FLAT))
-		(fqf . ,(ly:make-pitch -1 3 SEMI-FLAT))
-		(f . ,(ly:make-pitch -1 3 NATURAL))
-		(fqs . ,(ly:make-pitch -1 3 SEMI-SHARP))
-		(fs . ,(ly:make-pitch -1 3 SHARP))
-		(ftqs . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
-		(fss . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-		(fx . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-
-		(gff . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-		(gtqf . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
-		(gf . ,(ly:make-pitch -1 4 FLAT))
-		(gqf . ,(ly:make-pitch -1 4 SEMI-FLAT))
-		(g . ,(ly:make-pitch -1 4 NATURAL))
-		(gqs . ,(ly:make-pitch -1 4 SEMI-SHARP))
-		(gs . ,(ly:make-pitch -1 4 SHARP))
-		(gtqs . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
-		(gss . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-		(gx . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-
-		(aff . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-		(atqf . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
-		(af . ,(ly:make-pitch -1 5 FLAT))
-		(aqf . ,(ly:make-pitch -1 5 SEMI-FLAT))
-		(a . ,(ly:make-pitch -1 5 NATURAL))
-		(aqs . ,(ly:make-pitch -1 5 SEMI-SHARP))
-		(as . ,(ly:make-pitch -1 5 SHARP))
-		(atqs . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
-		(ass . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-		(ax . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-
-		(bff . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-		(btqf . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
-		(bf . ,(ly:make-pitch -1 6 FLAT))
-		(bqf . ,(ly:make-pitch -1 6 SEMI-FLAT))
-		(b . ,(ly:make-pitch -1 6 NATURAL))
-		(bqs . ,(ly:make-pitch -1 6 SEMI-SHARP))
-		(bs . ,(ly:make-pitch -1 6 SHARP))
-		(btqs . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
-		(bss . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-		(bx . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-		))
+                (cflatflat . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+                (cflat . ,(ly:make-pitch -1 0 FLAT))
+                (c . ,(ly:make-pitch -1 0 NATURAL))
+                (csharp . ,(ly:make-pitch -1 0 SHARP))
+                (csharpsharp . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+                (dflatflat . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+                (dflat . ,(ly:make-pitch -1 1 FLAT))
+                (d . ,(ly:make-pitch -1 1 NATURAL))
+                (dsharp . ,(ly:make-pitch -1 1 SHARP))
+                (dsharpsharp . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+                (eflatflat . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+                (eflat . ,(ly:make-pitch -1 2 FLAT))
+                (e . ,(ly:make-pitch -1 2 NATURAL))
+                (esharp . ,(ly:make-pitch -1 2 SHARP))
+                (esharpsharp . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+                (fflatflat . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+                (fflat . ,(ly:make-pitch -1 3 FLAT))
+                (f . ,(ly:make-pitch -1 3 NATURAL))
+                (fsharp . ,(ly:make-pitch -1 3 SHARP))
+                (fsharpsharp . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+                (gflatflat . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+                (gflat . ,(ly:make-pitch -1 4 FLAT))
+                (g . ,(ly:make-pitch -1 4 NATURAL))
+                (gsharp . ,(ly:make-pitch -1 4 SHARP))
+                (gsharpsharp . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+                (aflatflat . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+                (aflat . ,(ly:make-pitch -1 5 FLAT))
+                (a . ,(ly:make-pitch -1 5 NATURAL))
+                (asharp . ,(ly:make-pitch -1 5 SHARP))
+                (asharpsharp . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+                (bflatflat . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+                (bflat . ,(ly:make-pitch -1 6 FLAT))
+                (b . ,(ly:make-pitch -1 6 NATURAL))
+                (bsharp . ,(ly:make-pitch -1 6 SHARP))
+                (bsharpsharp . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+
+                (cff . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+                (ctqf . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
+                (cf . ,(ly:make-pitch -1 0 FLAT))
+                (cqf . ,(ly:make-pitch -1 0 SEMI-FLAT))
+                (c . ,(ly:make-pitch -1 0 NATURAL))
+                (cqs . ,(ly:make-pitch -1 0 SEMI-SHARP))
+                (cs . ,(ly:make-pitch -1 0 SHARP))
+                (ctqs . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
+                (css . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+                (cx . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+
+                (dff . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+                (dtqf . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
+                (df . ,(ly:make-pitch -1 1 FLAT))
+                (dqf . ,(ly:make-pitch -1 1 SEMI-FLAT))
+                (d . ,(ly:make-pitch -1 1 NATURAL))
+                (dqs . ,(ly:make-pitch -1 1 SEMI-SHARP))
+                (ds . ,(ly:make-pitch -1 1 SHARP))
+                (dtqs . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
+                (dss . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+                (dx . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+
+                (eff . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+                (etqf . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
+                (ef . ,(ly:make-pitch -1 2 FLAT))
+                (eqf . ,(ly:make-pitch -1 2 SEMI-FLAT))
+                (e . ,(ly:make-pitch -1 2 NATURAL))
+                (eqs . ,(ly:make-pitch -1 2 SEMI-SHARP))
+                (es . ,(ly:make-pitch -1 2 SHARP))
+                (etqs . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
+                (ess . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+                (ex . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+
+                (fff . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+                (ftqf . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
+                (ff . ,(ly:make-pitch -1 3 FLAT))
+                (fqf . ,(ly:make-pitch -1 3 SEMI-FLAT))
+                (f . ,(ly:make-pitch -1 3 NATURAL))
+                (fqs . ,(ly:make-pitch -1 3 SEMI-SHARP))
+                (fs . ,(ly:make-pitch -1 3 SHARP))
+                (ftqs . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
+                (fss . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+                (fx . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+
+                (gff . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+                (gtqf . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
+                (gf . ,(ly:make-pitch -1 4 FLAT))
+                (gqf . ,(ly:make-pitch -1 4 SEMI-FLAT))
+                (g . ,(ly:make-pitch -1 4 NATURAL))
+                (gqs . ,(ly:make-pitch -1 4 SEMI-SHARP))
+                (gs . ,(ly:make-pitch -1 4 SHARP))
+                (gtqs . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
+                (gss . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+                (gx . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+
+                (aff . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+                (atqf . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
+                (af . ,(ly:make-pitch -1 5 FLAT))
+                (aqf . ,(ly:make-pitch -1 5 SEMI-FLAT))
+                (a . ,(ly:make-pitch -1 5 NATURAL))
+                (aqs . ,(ly:make-pitch -1 5 SEMI-SHARP))
+                (as . ,(ly:make-pitch -1 5 SHARP))
+                (atqs . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
+                (ass . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+                (ax . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+
+                (bff . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+                (btqf . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
+                (bf . ,(ly:make-pitch -1 6 FLAT))
+                (bqf . ,(ly:make-pitch -1 6 SEMI-FLAT))
+                (b . ,(ly:make-pitch -1 6 NATURAL))
+                (bqs . ,(ly:make-pitch -1 6 SEMI-SHARP))
+                (bs . ,(ly:make-pitch -1 6 SHARP))
+                (btqs . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
+                (bss . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+                (bx . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+                ))
 
 
     ;; Language: Espanol -----------------------------------------------;
@@ -444,83 +444,83 @@
     ;;  Spanish: do  re  mi  fa  sol la  si
 
     (espanol . (
-		(dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-		(dotcb . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
-		(dob . ,(ly:make-pitch -1 0 FLAT))
-		(docb . ,(ly:make-pitch -1 0 SEMI-FLAT))
-		(do . ,(ly:make-pitch -1 0 NATURAL))
-		(docs . ,(ly:make-pitch -1 0 SEMI-SHARP))
-		(dos . ,(ly:make-pitch -1 0 SHARP))
-		(dotcs . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
-		(doss . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-		(dox . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-
-		(rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-		(retcb . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
-		(reb . ,(ly:make-pitch -1 1 FLAT))
-		(recb . ,(ly:make-pitch -1 1 SEMI-FLAT))
-		(re . ,(ly:make-pitch -1 1 NATURAL))
-		(recs . ,(ly:make-pitch -1 1 SEMI-SHARP))
-		(res . ,(ly:make-pitch -1 1 SHARP))
-		(retcs . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
-		(ress . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-		(rex . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-
-		(mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-		(mitcb . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
-		(mib . ,(ly:make-pitch -1 2 FLAT))
-		(micb . ,(ly:make-pitch -1 2 SEMI-FLAT))
-		(mi . ,(ly:make-pitch -1 2 NATURAL))
-		(mics . ,(ly:make-pitch -1 2 SEMI-SHARP))
-		(mis . ,(ly:make-pitch -1 2 SHARP))
-		(mitcs . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
-		(miss . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-		(mix . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-
-		(fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-		(fatcb . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
-		(fab . ,(ly:make-pitch -1 3 FLAT))
-		(facb . ,(ly:make-pitch -1 3 SEMI-FLAT))
-		(fa . ,(ly:make-pitch -1 3 NATURAL))
-		(facs . ,(ly:make-pitch -1 3 SEMI-SHARP))
-		(fas . ,(ly:make-pitch -1 3 SHARP))
-		(fatcs . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
-		(fass . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-		(fax . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-
-		(solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-		(soltcb . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
-		(solb . ,(ly:make-pitch -1 4 FLAT))
-		(solcb . ,(ly:make-pitch -1 4 SEMI-FLAT))
-		(sol . ,(ly:make-pitch -1 4 NATURAL))
-		(solcs . ,(ly:make-pitch -1 4 SEMI-SHARP))
-		(sols . ,(ly:make-pitch -1 4 SHARP))
-		(soltcs . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
-		(solss . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-		(solx . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-
-		(labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-		(latcb . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
-		(lab . ,(ly:make-pitch -1 5 FLAT))
-		(lacb . ,(ly:make-pitch -1 5 SEMI-FLAT))
-		(la . ,(ly:make-pitch -1 5 NATURAL))
-		(lacs . ,(ly:make-pitch -1 5 SEMI-SHARP))
-		(las . ,(ly:make-pitch -1 5 SHARP))
-		(latcs . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
-		(lass . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-		(lax . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-
-		(sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-		(sitcb . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
-		(sib . ,(ly:make-pitch -1 6 FLAT))
-		(sicb . ,(ly:make-pitch -1 6 SEMI-FLAT))
-		(si . ,(ly:make-pitch -1 6 NATURAL))
-		(sics . ,(ly:make-pitch -1 6 SEMI-SHARP))
-		(sis . ,(ly:make-pitch -1 6 SHARP))
-		(sitcs . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
-		(siss . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-		(six . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-		))
+                (dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+                (dotcb . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
+                (dob . ,(ly:make-pitch -1 0 FLAT))
+                (docb . ,(ly:make-pitch -1 0 SEMI-FLAT))
+                (do . ,(ly:make-pitch -1 0 NATURAL))
+                (docs . ,(ly:make-pitch -1 0 SEMI-SHARP))
+                (dos . ,(ly:make-pitch -1 0 SHARP))
+                (dotcs . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
+                (doss . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+                (dox . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+
+                (rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+                (retcb . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
+                (reb . ,(ly:make-pitch -1 1 FLAT))
+                (recb . ,(ly:make-pitch -1 1 SEMI-FLAT))
+                (re . ,(ly:make-pitch -1 1 NATURAL))
+                (recs . ,(ly:make-pitch -1 1 SEMI-SHARP))
+                (res . ,(ly:make-pitch -1 1 SHARP))
+                (retcs . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
+                (ress . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+                (rex . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+
+                (mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+                (mitcb . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
+                (mib . ,(ly:make-pitch -1 2 FLAT))
+                (micb . ,(ly:make-pitch -1 2 SEMI-FLAT))
+                (mi . ,(ly:make-pitch -1 2 NATURAL))
+                (mics . ,(ly:make-pitch -1 2 SEMI-SHARP))
+                (mis . ,(ly:make-pitch -1 2 SHARP))
+                (mitcs . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
+                (miss . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+                (mix . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+
+                (fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+                (fatcb . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
+                (fab . ,(ly:make-pitch -1 3 FLAT))
+                (facb . ,(ly:make-pitch -1 3 SEMI-FLAT))
+                (fa . ,(ly:make-pitch -1 3 NATURAL))
+                (facs . ,(ly:make-pitch -1 3 SEMI-SHARP))
+                (fas . ,(ly:make-pitch -1 3 SHARP))
+                (fatcs . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
+                (fass . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+                (fax . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+
+                (solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+                (soltcb . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
+                (solb . ,(ly:make-pitch -1 4 FLAT))
+                (solcb . ,(ly:make-pitch -1 4 SEMI-FLAT))
+                (sol . ,(ly:make-pitch -1 4 NATURAL))
+                (solcs . ,(ly:make-pitch -1 4 SEMI-SHARP))
+                (sols . ,(ly:make-pitch -1 4 SHARP))
+                (soltcs . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
+                (solss . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+                (solx . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+
+                (labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+                (latcb . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
+                (lab . ,(ly:make-pitch -1 5 FLAT))
+                (lacb . ,(ly:make-pitch -1 5 SEMI-FLAT))
+                (la . ,(ly:make-pitch -1 5 NATURAL))
+                (lacs . ,(ly:make-pitch -1 5 SEMI-SHARP))
+                (las . ,(ly:make-pitch -1 5 SHARP))
+                (latcs . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
+                (lass . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+                (lax . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+
+                (sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+                (sitcb . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
+                (sib . ,(ly:make-pitch -1 6 FLAT))
+                (sicb . ,(ly:make-pitch -1 6 SEMI-FLAT))
+                (si . ,(ly:make-pitch -1 6 NATURAL))
+                (sics . ,(ly:make-pitch -1 6 SEMI-SHARP))
+                (sis . ,(ly:make-pitch -1 6 SHARP))
+                (sitcs . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
+                (siss . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+                (six . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+                ))
 
 
     ;; Language: Italiano ----------------------------------------------;
@@ -541,77 +541,77 @@
     ;;  Italian: do  re  mi  fa  sol la  si
 
     (italiano . (
-		 (dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-		 (dobsb . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
-		 (dob . ,(ly:make-pitch -1 0 FLAT))
-		 (dosb . ,(ly:make-pitch -1 0 SEMI-FLAT))
-		 (do . ,(ly:make-pitch -1 0 NATURAL))
-		 (dosd . ,(ly:make-pitch -1 0 SEMI-SHARP))
-		 (dod . ,(ly:make-pitch -1 0 SHARP))
-		 (dodsd . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
-		 (dodd . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-
-		 (rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-		 (rebsb . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
-		 (reb . ,(ly:make-pitch -1 1 FLAT))
-		 (resb . ,(ly:make-pitch -1 1 SEMI-FLAT))
-		 (re . ,(ly:make-pitch -1 1 NATURAL))
-		 (resd . ,(ly:make-pitch -1 1 SEMI-SHARP))
-		 (red . ,(ly:make-pitch -1 1 SHARP))
-		 (redsd . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
-		 (redd . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-
-		 (mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-		 (mibsb . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
-		 (mib . ,(ly:make-pitch -1 2 FLAT))
-		 (misb . ,(ly:make-pitch -1 2 SEMI-FLAT))
-		 (mi . ,(ly:make-pitch -1 2 NATURAL))
-		 (misd . ,(ly:make-pitch -1 2 SEMI-SHARP))
-		 (mid . ,(ly:make-pitch -1 2 SHARP))
-		 (midsd . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
-		 (midd . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-
-		 (fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-		 (fabsb . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
-		 (fab . ,(ly:make-pitch -1 3 FLAT))
-		 (fasb . ,(ly:make-pitch -1 3 SEMI-FLAT))
-		 (fa . ,(ly:make-pitch -1 3 NATURAL))
-		 (fasd . ,(ly:make-pitch -1 3 SEMI-SHARP))
-		 (fad . ,(ly:make-pitch -1 3 SHARP))
-		 (fadsd . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
-		 (fadd . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-
-		 (solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-		 (solbsb . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
-		 (solb . ,(ly:make-pitch -1 4 FLAT))
-		 (solsb . ,(ly:make-pitch -1 4 SEMI-FLAT))
-		 (sol . ,(ly:make-pitch -1 4 NATURAL))
-		 (solsd . ,(ly:make-pitch -1 4 SEMI-SHARP))
-		 (sold . ,(ly:make-pitch -1 4 SHARP))
-		 (soldsd . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
-		 (soldd . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-
-		 (labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-		 (labsb . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
-		 (lab . ,(ly:make-pitch -1 5 FLAT))
-		 (lasb . ,(ly:make-pitch -1 5 SEMI-FLAT))
-		 (la . ,(ly:make-pitch -1 5 NATURAL))
-		 (lasd . ,(ly:make-pitch -1 5 SEMI-SHARP))
-		 (lad . ,(ly:make-pitch -1 5 SHARP))
-		 (ladsd . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
-		 (ladd . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-
-		 (sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-		 (sibsb . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
-		 (sib . ,(ly:make-pitch -1 6 FLAT))
-		 (sisb . ,(ly:make-pitch -1 6 SEMI-FLAT))
-		 (si . ,(ly:make-pitch -1 6 NATURAL))
-		 (sisd . ,(ly:make-pitch -1 6 SEMI-SHARP))
-		 (sid . ,(ly:make-pitch -1 6 SHARP))
-		 (sidsd . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
-		 (sidd . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-
-		 ))
+                 (dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+                 (dobsb . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
+                 (dob . ,(ly:make-pitch -1 0 FLAT))
+                 (dosb . ,(ly:make-pitch -1 0 SEMI-FLAT))
+                 (do . ,(ly:make-pitch -1 0 NATURAL))
+                 (dosd . ,(ly:make-pitch -1 0 SEMI-SHARP))
+                 (dod . ,(ly:make-pitch -1 0 SHARP))
+                 (dodsd . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
+                 (dodd . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+
+                 (rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+                 (rebsb . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
+                 (reb . ,(ly:make-pitch -1 1 FLAT))
+                 (resb . ,(ly:make-pitch -1 1 SEMI-FLAT))
+                 (re . ,(ly:make-pitch -1 1 NATURAL))
+                 (resd . ,(ly:make-pitch -1 1 SEMI-SHARP))
+                 (red . ,(ly:make-pitch -1 1 SHARP))
+                 (redsd . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
+                 (redd . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+
+                 (mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+                 (mibsb . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
+                 (mib . ,(ly:make-pitch -1 2 FLAT))
+                 (misb . ,(ly:make-pitch -1 2 SEMI-FLAT))
+                 (mi . ,(ly:make-pitch -1 2 NATURAL))
+                 (misd . ,(ly:make-pitch -1 2 SEMI-SHARP))
+                 (mid . ,(ly:make-pitch -1 2 SHARP))
+                 (midsd . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
+                 (midd . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+
+                 (fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+                 (fabsb . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
+                 (fab . ,(ly:make-pitch -1 3 FLAT))
+                 (fasb . ,(ly:make-pitch -1 3 SEMI-FLAT))
+                 (fa . ,(ly:make-pitch -1 3 NATURAL))
+                 (fasd . ,(ly:make-pitch -1 3 SEMI-SHARP))
+                 (fad . ,(ly:make-pitch -1 3 SHARP))
+                 (fadsd . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
+                 (fadd . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+
+                 (solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+                 (solbsb . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
+                 (solb . ,(ly:make-pitch -1 4 FLAT))
+                 (solsb . ,(ly:make-pitch -1 4 SEMI-FLAT))
+                 (sol . ,(ly:make-pitch -1 4 NATURAL))
+                 (solsd . ,(ly:make-pitch -1 4 SEMI-SHARP))
+                 (sold . ,(ly:make-pitch -1 4 SHARP))
+                 (soldsd . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
+                 (soldd . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+
+                 (labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+                 (labsb . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
+                 (lab . ,(ly:make-pitch -1 5 FLAT))
+                 (lasb . ,(ly:make-pitch -1 5 SEMI-FLAT))
+                 (la . ,(ly:make-pitch -1 5 NATURAL))
+                 (lasd . ,(ly:make-pitch -1 5 SEMI-SHARP))
+                 (lad . ,(ly:make-pitch -1 5 SHARP))
+                 (ladsd . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
+                 (ladd . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+
+                 (sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+                 (sibsb . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
+                 (sib . ,(ly:make-pitch -1 6 FLAT))
+                 (sisb . ,(ly:make-pitch -1 6 SEMI-FLAT))
+                 (si . ,(ly:make-pitch -1 6 NATURAL))
+                 (sisd . ,(ly:make-pitch -1 6 SEMI-SHARP))
+                 (sid . ,(ly:make-pitch -1 6 SHARP))
+                 (sidsd . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
+                 (sidd . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+
+                 ))
 
 
     ;; Language: Norsk -------------------------------------------------;
@@ -631,79 +631,79 @@
     ;;  Norwegian: c  d  e  f  g  a  b  h
 
     (norsk . (
-	      (ceses . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-	      (cessess . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-	      (ces . ,(ly:make-pitch -1 0 FLAT))
-	      (cess . ,(ly:make-pitch -1 0 FLAT))
-	      (c . ,(ly:make-pitch -1 0 NATURAL))
-	      (cis . ,(ly:make-pitch -1 0 SHARP))
-	      (ciss . ,(ly:make-pitch -1 0 SHARP))
-	      (cisis . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-	      (cississ . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-	      (deses . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-	      (dessess . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-	      (des . ,(ly:make-pitch -1 1 FLAT))
-	      (dess . ,(ly:make-pitch -1 1 FLAT))
-	      (d . ,(ly:make-pitch -1 1 NATURAL))
-	      (dis . ,(ly:make-pitch -1 1 SHARP))
-	      (diss . ,(ly:make-pitch -1 1 SHARP))
-	      (disis . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-	      (dississ . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-	      (eeses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-	      (eessess . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-	      (eses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-	      (essess . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-	      (ees . ,(ly:make-pitch -1 2 FLAT))
-	      (eess . ,(ly:make-pitch -1 2 FLAT))
-	      (es . ,(ly:make-pitch -1 2 FLAT))
-	      (ess . ,(ly:make-pitch -1 2 FLAT))
-	      (e . ,(ly:make-pitch -1 2 NATURAL))
-	      (eis . ,(ly:make-pitch -1 2 SHARP))
-	      (eiss . ,(ly:make-pitch -1 2 SHARP))
-	      (eisis . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-	      (eississ . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-	      (feses . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-	      (fessess . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-	      (fes . ,(ly:make-pitch -1 3 FLAT))
-	      (fess . ,(ly:make-pitch -1 3 FLAT))
-	      (f . ,(ly:make-pitch -1 3 NATURAL))
-	      (fis . ,(ly:make-pitch -1 3 SHARP))
-	      (fiss . ,(ly:make-pitch -1 3 SHARP))
-	      (fisis . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-	      (fississ . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-	      (geses . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-	      (gessess . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-	      (ges . ,(ly:make-pitch -1 4 FLAT))
-	      (gess . ,(ly:make-pitch -1 4 FLAT))
-	      (g . ,(ly:make-pitch -1 4 NATURAL))
-	      (g . ,(ly:make-pitch -1 4 NATURAL))
-	      (gis . ,(ly:make-pitch -1 4 SHARP))
-	      (giss . ,(ly:make-pitch -1 4 SHARP))
-	      (gisis . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-	      (gississ . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-	      (aeses . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-	      (aessess . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-	      (ases . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-	      (assess . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-	      (aes . ,(ly:make-pitch -1 5 FLAT))
-	      (aess . ,(ly:make-pitch -1 5 FLAT))
-	      (as . ,(ly:make-pitch -1 5 FLAT))
-	      (ass . ,(ly:make-pitch -1 5 FLAT))
-	      (a . ,(ly:make-pitch -1 5 NATURAL))
-	      (ais . ,(ly:make-pitch -1 5 SHARP))
-	      (aiss . ,(ly:make-pitch -1 5 SHARP))
-	      (aisis . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-	      (aississ . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-	      (bes . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-	      (bess . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-	      (b . ,(ly:make-pitch -1 6 FLAT))
-	      (b . ,(ly:make-pitch -1 6 FLAT))
-	      (h . ,(ly:make-pitch -1 6 NATURAL))
-	      (his . ,(ly:make-pitch -1 6 SHARP))
-	      (hiss . ,(ly:make-pitch -1 6 SHARP))
-	      (hisis . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-	      (hississ . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-	      ))
+              (ceses . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+              (cessess . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+              (ces . ,(ly:make-pitch -1 0 FLAT))
+              (cess . ,(ly:make-pitch -1 0 FLAT))
+              (c . ,(ly:make-pitch -1 0 NATURAL))
+              (cis . ,(ly:make-pitch -1 0 SHARP))
+              (ciss . ,(ly:make-pitch -1 0 SHARP))
+              (cisis . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+              (cississ . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+              (deses . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+              (dessess . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+              (des . ,(ly:make-pitch -1 1 FLAT))
+              (dess . ,(ly:make-pitch -1 1 FLAT))
+              (d . ,(ly:make-pitch -1 1 NATURAL))
+              (dis . ,(ly:make-pitch -1 1 SHARP))
+              (diss . ,(ly:make-pitch -1 1 SHARP))
+              (disis . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+              (dississ . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+              (eeses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+              (eessess . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+              (eses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+              (essess . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+              (ees . ,(ly:make-pitch -1 2 FLAT))
+              (eess . ,(ly:make-pitch -1 2 FLAT))
+              (es . ,(ly:make-pitch -1 2 FLAT))
+              (ess . ,(ly:make-pitch -1 2 FLAT))
+              (e . ,(ly:make-pitch -1 2 NATURAL))
+              (eis . ,(ly:make-pitch -1 2 SHARP))
+              (eiss . ,(ly:make-pitch -1 2 SHARP))
+              (eisis . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+              (eississ . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+              (feses . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+              (fessess . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+              (fes . ,(ly:make-pitch -1 3 FLAT))
+              (fess . ,(ly:make-pitch -1 3 FLAT))
+              (f . ,(ly:make-pitch -1 3 NATURAL))
+              (fis . ,(ly:make-pitch -1 3 SHARP))
+              (fiss . ,(ly:make-pitch -1 3 SHARP))
+              (fisis . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+              (fississ . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+              (geses . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+              (gessess . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+              (ges . ,(ly:make-pitch -1 4 FLAT))
+              (gess . ,(ly:make-pitch -1 4 FLAT))
+              (g . ,(ly:make-pitch -1 4 NATURAL))
+              (g . ,(ly:make-pitch -1 4 NATURAL))
+              (gis . ,(ly:make-pitch -1 4 SHARP))
+              (giss . ,(ly:make-pitch -1 4 SHARP))
+              (gisis . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+              (gississ . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+              (aeses . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+              (aessess . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+              (ases . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+              (assess . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+              (aes . ,(ly:make-pitch -1 5 FLAT))
+              (aess . ,(ly:make-pitch -1 5 FLAT))
+              (as . ,(ly:make-pitch -1 5 FLAT))
+              (ass . ,(ly:make-pitch -1 5 FLAT))
+              (a . ,(ly:make-pitch -1 5 NATURAL))
+              (ais . ,(ly:make-pitch -1 5 SHARP))
+              (aiss . ,(ly:make-pitch -1 5 SHARP))
+              (aisis . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+              (aississ . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+              (bes . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+              (bess . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+              (b . ,(ly:make-pitch -1 6 FLAT))
+              (b . ,(ly:make-pitch -1 6 FLAT))
+              (h . ,(ly:make-pitch -1 6 NATURAL))
+              (his . ,(ly:make-pitch -1 6 SHARP))
+              (hiss . ,(ly:make-pitch -1 6 SHARP))
+              (hisis . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+              (hississ . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+              ))
 
 
     ;; Language: Portugues ---------------------------------------------;
@@ -723,77 +723,77 @@
     ;;  Portuguese: do  re  mi  fa  sol la  si
 
     (portugues . (
-		  (dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-		  (dobtqt . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
-		  (dob . ,(ly:make-pitch -1 0 FLAT))
-		  (dobqt . ,(ly:make-pitch -1 0 SEMI-FLAT))
-		  (do . ,(ly:make-pitch -1 0 NATURAL))
-		  (dosqt . ,(ly:make-pitch -1 0 SEMI-SHARP))
-		  (dos . ,(ly:make-pitch -1 0 SHARP))
-		  (dostqt . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
-		  (doss . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-
-		  (rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-		  (rebtqt . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
-		  (reb . ,(ly:make-pitch -1 1 FLAT))
-		  (rebqt . ,(ly:make-pitch -1 1 SEMI-FLAT))
-		  (re . ,(ly:make-pitch -1 1 NATURAL))
-		  (resqt . ,(ly:make-pitch -1 1 SEMI-SHARP))
-		  (res . ,(ly:make-pitch -1 1 SHARP))
-		  (restqt . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
-		  (ress . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-
-		  (mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-		  (mibtqt . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
-		  (mib . ,(ly:make-pitch -1 2 FLAT))
-		  (mibqt . ,(ly:make-pitch -1 2 SEMI-FLAT))
-		  (mi . ,(ly:make-pitch -1 2 NATURAL))
-		  (misqt . ,(ly:make-pitch -1 2 SEMI-SHARP))
-		  (mis . ,(ly:make-pitch -1 2 SHARP))
-		  (mistqt . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
-		  (miss . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-
-		  (fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-		  (fabtqt . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
-		  (fab . ,(ly:make-pitch -1 3 FLAT))
-		  (fabqt . ,(ly:make-pitch -1 3 SEMI-FLAT))
-		  (fa . ,(ly:make-pitch -1 3 NATURAL))
-		  (fasqt . ,(ly:make-pitch -1 3 SEMI-SHARP))
-		  (fas . ,(ly:make-pitch -1 3 SHARP))
-		  (fastqt . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
-		  (fass . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-
-		  (solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-		  (solbtqt . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
-		  (solb . ,(ly:make-pitch -1 4 FLAT))
-		  (solbqt . ,(ly:make-pitch -1 4 SEMI-FLAT))
-		  (sol . ,(ly:make-pitch -1 4 NATURAL))
-		  (solsqt . ,(ly:make-pitch -1 4 SEMI-SHARP))
-		  (sols . ,(ly:make-pitch -1 4 SHARP))
-		  (solstqt . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
-		  (solss . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-
-		  (labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-		  (labtqt . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
-		  (lab . ,(ly:make-pitch -1 5 FLAT))
-		  (labqt . ,(ly:make-pitch -1 5 SEMI-FLAT))
-		  (la . ,(ly:make-pitch -1 5 NATURAL))
-		  (lasqt . ,(ly:make-pitch -1 5 SEMI-SHARP))
-		  (las . ,(ly:make-pitch -1 5 SHARP))
-		  (lastqt . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
-		  (lass . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-
-		  (sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-		  (sibtqt . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
-		  (sib . ,(ly:make-pitch -1 6 FLAT))
-		  (sibqt . ,(ly:make-pitch -1 6 SEMI-FLAT))
-		  (si . ,(ly:make-pitch -1 6 NATURAL))
-		  (sisqt . ,(ly:make-pitch -1 6 SEMI-SHARP))
-		  (sis . ,(ly:make-pitch -1 6 SHARP))
-		  (sistqt . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
-		  (siss . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-
-		  ))
+                  (dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+                  (dobtqt . ,(ly:make-pitch -1 0 THREE-Q-FLAT))
+                  (dob . ,(ly:make-pitch -1 0 FLAT))
+                  (dobqt . ,(ly:make-pitch -1 0 SEMI-FLAT))
+                  (do . ,(ly:make-pitch -1 0 NATURAL))
+                  (dosqt . ,(ly:make-pitch -1 0 SEMI-SHARP))
+                  (dos . ,(ly:make-pitch -1 0 SHARP))
+                  (dostqt . ,(ly:make-pitch -1 0 THREE-Q-SHARP))
+                  (doss . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+
+                  (rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+                  (rebtqt . ,(ly:make-pitch -1 1 THREE-Q-FLAT))
+                  (reb . ,(ly:make-pitch -1 1 FLAT))
+                  (rebqt . ,(ly:make-pitch -1 1 SEMI-FLAT))
+                  (re . ,(ly:make-pitch -1 1 NATURAL))
+                  (resqt . ,(ly:make-pitch -1 1 SEMI-SHARP))
+                  (res . ,(ly:make-pitch -1 1 SHARP))
+                  (restqt . ,(ly:make-pitch -1 1 THREE-Q-SHARP))
+                  (ress . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+
+                  (mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+                  (mibtqt . ,(ly:make-pitch -1 2 THREE-Q-FLAT))
+                  (mib . ,(ly:make-pitch -1 2 FLAT))
+                  (mibqt . ,(ly:make-pitch -1 2 SEMI-FLAT))
+                  (mi . ,(ly:make-pitch -1 2 NATURAL))
+                  (misqt . ,(ly:make-pitch -1 2 SEMI-SHARP))
+                  (mis . ,(ly:make-pitch -1 2 SHARP))
+                  (mistqt . ,(ly:make-pitch -1 2 THREE-Q-SHARP))
+                  (miss . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+
+                  (fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+                  (fabtqt . ,(ly:make-pitch -1 3 THREE-Q-FLAT))
+                  (fab . ,(ly:make-pitch -1 3 FLAT))
+                  (fabqt . ,(ly:make-pitch -1 3 SEMI-FLAT))
+                  (fa . ,(ly:make-pitch -1 3 NATURAL))
+                  (fasqt . ,(ly:make-pitch -1 3 SEMI-SHARP))
+                  (fas . ,(ly:make-pitch -1 3 SHARP))
+                  (fastqt . ,(ly:make-pitch -1 3 THREE-Q-SHARP))
+                  (fass . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+
+                  (solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+                  (solbtqt . ,(ly:make-pitch -1 4 THREE-Q-FLAT))
+                  (solb . ,(ly:make-pitch -1 4 FLAT))
+                  (solbqt . ,(ly:make-pitch -1 4 SEMI-FLAT))
+                  (sol . ,(ly:make-pitch -1 4 NATURAL))
+                  (solsqt . ,(ly:make-pitch -1 4 SEMI-SHARP))
+                  (sols . ,(ly:make-pitch -1 4 SHARP))
+                  (solstqt . ,(ly:make-pitch -1 4 THREE-Q-SHARP))
+                  (solss . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+
+                  (labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+                  (labtqt . ,(ly:make-pitch -1 5 THREE-Q-FLAT))
+                  (lab . ,(ly:make-pitch -1 5 FLAT))
+                  (labqt . ,(ly:make-pitch -1 5 SEMI-FLAT))
+                  (la . ,(ly:make-pitch -1 5 NATURAL))
+                  (lasqt . ,(ly:make-pitch -1 5 SEMI-SHARP))
+                  (las . ,(ly:make-pitch -1 5 SHARP))
+                  (lastqt . ,(ly:make-pitch -1 5 THREE-Q-SHARP))
+                  (lass . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+
+                  (sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+                  (sibtqt . ,(ly:make-pitch -1 6 THREE-Q-FLAT))
+                  (sib . ,(ly:make-pitch -1 6 FLAT))
+                  (sibqt . ,(ly:make-pitch -1 6 SEMI-FLAT))
+                  (si . ,(ly:make-pitch -1 6 NATURAL))
+                  (sisqt . ,(ly:make-pitch -1 6 SEMI-SHARP))
+                  (sis . ,(ly:make-pitch -1 6 SHARP))
+                  (sistqt . ,(ly:make-pitch -1 6 THREE-Q-SHARP))
+                  (siss . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+
+                  ))
 
 
     ;; Language: Suomi -------------------------------------------------;
@@ -809,45 +809,45 @@
     ;;  Finnish: c  d  e  f  g  a  b  h
 
     (suomi . (
-	      (ceses . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-	      (ces . ,(ly:make-pitch -1 0 FLAT))
-	      (c . ,(ly:make-pitch -1 0 NATURAL))
-	      (cis . ,(ly:make-pitch -1 0 SHARP))
-	      (cisis . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-	      (deses . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-	      (des . ,(ly:make-pitch -1 1 FLAT))
-	      (d . ,(ly:make-pitch -1 1 NATURAL))
-	      (dis . ,(ly:make-pitch -1 1 SHARP))
-	      (disis . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-	      (eses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-	      (es . ,(ly:make-pitch -1 2 FLAT))
-	      (e . ,(ly:make-pitch -1 2 NATURAL))
-	      (eis . ,(ly:make-pitch -1 2 SHARP))
-	      (eisis . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-	      (feses . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-	      (fes . ,(ly:make-pitch -1 3 FLAT))
-	      (f . ,(ly:make-pitch -1 3 NATURAL))
-	      (fis . ,(ly:make-pitch -1 3 SHARP))
-	      (fisis . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-	      (geses . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-	      (ges . ,(ly:make-pitch -1 4 FLAT))
-	      (g . ,(ly:make-pitch -1 4 NATURAL))
-	      (gis . ,(ly:make-pitch -1 4 SHARP))
-	      (gisis . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-	      (asas . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-	      (ases . ,(ly:make-pitch -1 5 DOUBLE-FLAT))   ;;non-standard name for asas
-	      (as . ,(ly:make-pitch -1 5 FLAT))
-	      (a . ,(ly:make-pitch -1 5 NATURAL))
-	      (ais . ,(ly:make-pitch -1 5 SHARP))
-	      (aisis . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-	      (bb . ,(ly:make-pitch -1 6 DOUBLE-FLAT)) ;; should be bes. Kept for downwards compatibility
-	      (bes . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-	      (heses . ,(ly:make-pitch -1 6 DOUBLE-FLAT))  ;;non-standard name for bb
-	      (b . ,(ly:make-pitch -1 6 FLAT))
-	      (h . ,(ly:make-pitch -1 6 NATURAL))
-	      (his . ,(ly:make-pitch -1 6 SHARP))
-	      (hisis . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-	      ))
+              (ceses . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+              (ces . ,(ly:make-pitch -1 0 FLAT))
+              (c . ,(ly:make-pitch -1 0 NATURAL))
+              (cis . ,(ly:make-pitch -1 0 SHARP))
+              (cisis . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+              (deses . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+              (des . ,(ly:make-pitch -1 1 FLAT))
+              (d . ,(ly:make-pitch -1 1 NATURAL))
+              (dis . ,(ly:make-pitch -1 1 SHARP))
+              (disis . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+              (eses . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+              (es . ,(ly:make-pitch -1 2 FLAT))
+              (e . ,(ly:make-pitch -1 2 NATURAL))
+              (eis . ,(ly:make-pitch -1 2 SHARP))
+              (eisis . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+              (feses . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+              (fes . ,(ly:make-pitch -1 3 FLAT))
+              (f . ,(ly:make-pitch -1 3 NATURAL))
+              (fis . ,(ly:make-pitch -1 3 SHARP))
+              (fisis . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+              (geses . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+              (ges . ,(ly:make-pitch -1 4 FLAT))
+              (g . ,(ly:make-pitch -1 4 NATURAL))
+              (gis . ,(ly:make-pitch -1 4 SHARP))
+              (gisis . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+              (asas . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+              (ases . ,(ly:make-pitch -1 5 DOUBLE-FLAT))   ;;non-standard name for asas
+              (as . ,(ly:make-pitch -1 5 FLAT))
+              (a . ,(ly:make-pitch -1 5 NATURAL))
+              (ais . ,(ly:make-pitch -1 5 SHARP))
+              (aisis . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+              (bb . ,(ly:make-pitch -1 6 DOUBLE-FLAT)) ;; should be bes. Kept for downwards compatibility
+              (bes . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+              (heses . ,(ly:make-pitch -1 6 DOUBLE-FLAT))  ;;non-standard name for bb
+              (b . ,(ly:make-pitch -1 6 FLAT))
+              (h . ,(ly:make-pitch -1 6 NATURAL))
+              (his . ,(ly:make-pitch -1 6 SHARP))
+              (hisis . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+              ))
 
 
     ;; Language: Svenska -----------------------------------------------;
@@ -863,42 +863,42 @@
     ;;  Swedish: c  d  e  f  g  a  b  h
 
     (svenska . (
-		(cessess . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-		(cess . ,(ly:make-pitch -1 0 FLAT))
-		(c . ,(ly:make-pitch -1 0 NATURAL))
-		(ciss . ,(ly:make-pitch -1 0 SHARP))
-		(cississ . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-		(dessess . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-		(dess . ,(ly:make-pitch -1 1 FLAT))
-		(d . ,(ly:make-pitch -1 1 NATURAL))
-		(diss . ,(ly:make-pitch -1 1 SHARP))
-		(dississ . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-		(essess . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-		(ess . ,(ly:make-pitch -1 2 FLAT))
-		(e . ,(ly:make-pitch -1 2 NATURAL))
-		(eiss . ,(ly:make-pitch -1 2 SHARP))
-		(eississ . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-		(fessess . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-		(fess . ,(ly:make-pitch -1 3 FLAT))
-		(f . ,(ly:make-pitch -1 3 NATURAL))
-		(fiss . ,(ly:make-pitch -1 3 SHARP))
-		(fississ . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-		(gessess . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-		(gess . ,(ly:make-pitch -1 4 FLAT))
-		(g . ,(ly:make-pitch -1 4 NATURAL))
-		(giss . ,(ly:make-pitch -1 4 SHARP))
-		(gississ . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-		(assess . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-		(ass . ,(ly:make-pitch -1 5 FLAT))
-		(a . ,(ly:make-pitch -1 5 NATURAL))
-		(aiss . ,(ly:make-pitch -1 5 SHARP))
-		(aississ . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-		(hessess . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-		(b . ,(ly:make-pitch -1 6 FLAT))
-		(h . ,(ly:make-pitch -1 6 NATURAL))
-		(hiss . ,(ly:make-pitch -1 6 SHARP))
-		(hississ . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-		))
+                (cessess . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+                (cess . ,(ly:make-pitch -1 0 FLAT))
+                (c . ,(ly:make-pitch -1 0 NATURAL))
+                (ciss . ,(ly:make-pitch -1 0 SHARP))
+                (cississ . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+                (dessess . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+                (dess . ,(ly:make-pitch -1 1 FLAT))
+                (d . ,(ly:make-pitch -1 1 NATURAL))
+                (diss . ,(ly:make-pitch -1 1 SHARP))
+                (dississ . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+                (essess . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+                (ess . ,(ly:make-pitch -1 2 FLAT))
+                (e . ,(ly:make-pitch -1 2 NATURAL))
+                (eiss . ,(ly:make-pitch -1 2 SHARP))
+                (eississ . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+                (fessess . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+                (fess . ,(ly:make-pitch -1 3 FLAT))
+                (f . ,(ly:make-pitch -1 3 NATURAL))
+                (fiss . ,(ly:make-pitch -1 3 SHARP))
+                (fississ . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+                (gessess . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+                (gess . ,(ly:make-pitch -1 4 FLAT))
+                (g . ,(ly:make-pitch -1 4 NATURAL))
+                (giss . ,(ly:make-pitch -1 4 SHARP))
+                (gississ . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+                (assess . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+                (ass . ,(ly:make-pitch -1 5 FLAT))
+                (a . ,(ly:make-pitch -1 5 NATURAL))
+                (aiss . ,(ly:make-pitch -1 5 SHARP))
+                (aississ . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+                (hessess . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+                (b . ,(ly:make-pitch -1 6 FLAT))
+                (h . ,(ly:make-pitch -1 6 NATURAL))
+                (hiss . ,(ly:make-pitch -1 6 SHARP))
+                (hississ . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+                ))
 
 
     ;; Language: Vlaams ------------------------------------------------;
@@ -914,48 +914,48 @@
     ;;  Flemish: do  re  mi  fa  sol la  si
 
     (vlaams . (
-	       (dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
-	       (dob . ,(ly:make-pitch -1 0 FLAT))
-	       (do . ,(ly:make-pitch -1 0 NATURAL))
-	       (dok . ,(ly:make-pitch -1 0 SHARP))
-	       (dokk . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
-
-	       (rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
-	       (reb . ,(ly:make-pitch -1 1 FLAT))
-	       (re . ,(ly:make-pitch -1 1 NATURAL))
-	       (rek . ,(ly:make-pitch -1 1 SHARP))
-	       (rekk . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
-
-	       (mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
-	       (mib . ,(ly:make-pitch -1 2 FLAT))
-	       (mi . ,(ly:make-pitch -1 2 NATURAL))
-	       (mik . ,(ly:make-pitch -1 2 SHARP))
-	       (mikk . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
-
-	       (fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
-	       (fab . ,(ly:make-pitch -1 3 FLAT))
-	       (fa . ,(ly:make-pitch -1 3 NATURAL))
-	       (fak . ,(ly:make-pitch -1 3 SHARP))
-	       (fakk . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
-
-	       (solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
-	       (solb . ,(ly:make-pitch -1 4 FLAT))
-	       (sol . ,(ly:make-pitch -1 4 NATURAL))
-	       (solk . ,(ly:make-pitch -1 4 SHARP))
-	       (solkk . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
-
-	       (labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
-	       (lab . ,(ly:make-pitch -1 5 FLAT))
-	       (la . ,(ly:make-pitch -1 5 NATURAL))
-	       (lak . ,(ly:make-pitch -1 5 SHARP))
-	       (lakk . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
-
-	       (sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
-	       (sib . ,(ly:make-pitch -1 6 FLAT))
-	       (si . ,(ly:make-pitch -1 6 NATURAL))
-	       (sik . ,(ly:make-pitch -1 6 SHARP))
-	       (sikk . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
-	       ))
+               (dobb . ,(ly:make-pitch -1 0 DOUBLE-FLAT))
+               (dob . ,(ly:make-pitch -1 0 FLAT))
+               (do . ,(ly:make-pitch -1 0 NATURAL))
+               (dok . ,(ly:make-pitch -1 0 SHARP))
+               (dokk . ,(ly:make-pitch -1 0 DOUBLE-SHARP))
+
+               (rebb . ,(ly:make-pitch -1 1 DOUBLE-FLAT))
+               (reb . ,(ly:make-pitch -1 1 FLAT))
+               (re . ,(ly:make-pitch -1 1 NATURAL))
+               (rek . ,(ly:make-pitch -1 1 SHARP))
+               (rekk . ,(ly:make-pitch -1 1 DOUBLE-SHARP))
+
+               (mibb . ,(ly:make-pitch -1 2 DOUBLE-FLAT))
+               (mib . ,(ly:make-pitch -1 2 FLAT))
+               (mi . ,(ly:make-pitch -1 2 NATURAL))
+               (mik . ,(ly:make-pitch -1 2 SHARP))
+               (mikk . ,(ly:make-pitch -1 2 DOUBLE-SHARP))
+
+               (fabb . ,(ly:make-pitch -1 3 DOUBLE-FLAT))
+               (fab . ,(ly:make-pitch -1 3 FLAT))
+               (fa . ,(ly:make-pitch -1 3 NATURAL))
+               (fak . ,(ly:make-pitch -1 3 SHARP))
+               (fakk . ,(ly:make-pitch -1 3 DOUBLE-SHARP))
+
+               (solbb . ,(ly:make-pitch -1 4 DOUBLE-FLAT))
+               (solb . ,(ly:make-pitch -1 4 FLAT))
+               (sol . ,(ly:make-pitch -1 4 NATURAL))
+               (solk . ,(ly:make-pitch -1 4 SHARP))
+               (solkk . ,(ly:make-pitch -1 4 DOUBLE-SHARP))
+
+               (labb . ,(ly:make-pitch -1 5 DOUBLE-FLAT))
+               (lab . ,(ly:make-pitch -1 5 FLAT))
+               (la . ,(ly:make-pitch -1 5 NATURAL))
+               (lak . ,(ly:make-pitch -1 5 SHARP))
+               (lakk . ,(ly:make-pitch -1 5 DOUBLE-SHARP))
+
+               (sibb . ,(ly:make-pitch -1 6 DOUBLE-FLAT))
+               (sib . ,(ly:make-pitch -1 6 FLAT))
+               (si . ,(ly:make-pitch -1 6 NATURAL))
+               (sik . ,(ly:make-pitch -1 6 SHARP))
+               (sikk . ,(ly:make-pitch -1 6 DOUBLE-SHARP))
+               ))
     ))
 
 ;; add two native utf-8 aliases. Pairs obey cp-like order: '(old new)
@@ -970,11 +970,11 @@
 (define-public (note-names-language parser str)
   (_ "Select note names language.")
   (let ((alist (assoc-get (string->symbol str)
-			  language-pitch-names
-			  '())))
+                          language-pitch-names
+                          '())))
     (if (pair? alist)
-	(begin
-	  (ly:debug (_ "Using `~a' note names...") str)
-	  (set! pitchnames alist)
-	  (ly:parser-set-note-names parser alist))
-	(ly:warning (_ "Could not find language `~a'.  Ignoring.") str))))
+        (begin
+          (ly:debug (_ "Using `~a' note names...") str)
+          (set! pitchnames alist)
+          (ly:parser-set-note-names parser alist))
+        (ly:warning (_ "Could not find language `~a'.  Ignoring.") str))))
diff --git a/scm/define-stencil-commands.scm b/scm/define-stencil-commands.scm
index fddd6855b2..dffb578c6e 100644
--- a/scm/define-stencil-commands.scm
+++ b/scm/define-stencil-commands.scm
@@ -70,5 +70,5 @@ are used internally in @file{lily/@/stencil-interpret.cc}."
     ))
 
 (map ly:register-stencil-expression
-  (append (ly:all-stencil-commands)
-	  (ly:all-output-backend-commands)))
+     (append (ly:all-stencil-commands)
+             (ly:all-output-backend-commands)))
diff --git a/scm/define-woodwind-diagrams.scm b/scm/define-woodwind-diagrams.scm
index 513fca520d..cffe25c07d 100644
--- a/scm/define-woodwind-diagrams.scm
+++ b/scm/define-woodwind-diagrams.scm
@@ -34,10 +34,10 @@ are provided in @var{function-list}.
 Example: Executing @samp{(function-chain 1 `((,+ 1) (,- 2) (,+ 3) (,/)))}
 returns @samp{1/3}."
   (if (null? function-list)
-    arg
-    (function-chain
-      (apply (caar function-list) (append `(,arg) (cdar function-list)))
-      (cdr function-list))))
+      arg
+      (function-chain
+       (apply (caar function-list) (append `(,arg) (cdar function-list)))
+       (cdr function-list))))
 
 (define (rotunda-map function inlist rotunda)
   "Like map, but with a rotating last argument to function.
@@ -46,12 +46,12 @@ returns @samp{1/3}."
    @code{(2 -8 4 -6)}"
   (define (rotunda-map-chain function inlist outlist rotunda)
     (if (null? inlist)
-      outlist
-     (rotunda-map-chain
-       function
-       (cdr inlist)
-       (append outlist (list (function (car inlist) (car rotunda))))
-       (append (cdr rotunda) (list (car rotunda))))))
+        outlist
+        (rotunda-map-chain
+         function
+         (cdr inlist)
+         (append outlist (list (function (car inlist) (car rotunda))))
+         (append (cdr rotunda) (list (car rotunda))))))
   (rotunda-map-chain function inlist '() rotunda))
 
 (define (assoc-keys alist)
@@ -68,9 +68,9 @@ returns @samp{1/3}."
    @code{(get-slope-offset '(1 . 2) '(3 . -5.1))}
    @code{(-3.55 . 5.55)}"
   (let*
-    ((slope (/ (- (cdr p1) (cdr p2)) (- (car p1) (car p2))))
-    (offset (- (cdr p1) (* slope (car p1)))))
-   `(,slope . ,offset)))
+      ((slope (/ (- (cdr p1) (cdr p2)) (- (car p1) (car p2))))
+       (offset (- (cdr p1) (* slope (car p1)))))
+    `(,slope . ,offset)))
 
 (define (is-square? x input-list)
   "Returns true if x is the square of a value in input-list."
@@ -97,17 +97,17 @@ returns @samp{1/3}."
 ;; Translates a "normal" key (open, closed, trill)
 (define (key-fill-translate fill)
   (cond
-    ((= fill 1) #f)
-    ((= fill 2) #f)
-    ((= fill (expt (assoc-get 'F HOLE-FILL-LIST) 2)) 0.5)
-    ((= fill (assoc-get 'F HOLE-FILL-LIST)) #t)))
+   ((= fill 1) #f)
+   ((= fill 2) #f)
+   ((= fill (expt (assoc-get 'F HOLE-FILL-LIST) 2)) 0.5)
+   ((= fill (assoc-get 'F HOLE-FILL-LIST)) #t)))
 
 ;; Similar to above, but trans vs opaque doesn't matter
 (define (text-fill-translate fill)
   (cond
-    ((< fill 3) 1.0)
-    ((= fill (expt (assoc-get 'F HOLE-FILL-LIST) 2)) 0.5)
-    ((= fill (assoc-get 'F HOLE-FILL-LIST)) 0.0)))
+   ((< fill 3) 1.0)
+   ((= fill (expt (assoc-get 'F HOLE-FILL-LIST) 2)) 0.5)
+   ((= fill (assoc-get 'F HOLE-FILL-LIST)) 0.0)))
 
 ;; Emits a list for the central-column-hole maker
 ;; (not-full?, 1-quarter-full?, 1-half-full?, 3-quarters-full?, full?)
@@ -115,8 +115,8 @@ returns @samp{1/3}."
 ;; not-full and 3-quarters-full
 (define (process-fill-value fill)
   (let* ((avals (list-tail (assoc-values HOLE-FILL-LIST) 1)))
-  (append `(,(or (< fill 3) (is-square? fill avals)))
-    (map (lambda (x) (= 0 (remainder fill x))) avals))))
+    (append `(,(or (< fill 3) (is-square? fill avals)))
+            (map (lambda (x) (= 0 (remainder fill x))) avals))))
 
 ;; Color a stencil gray
 (define (gray-colorize stencil)
@@ -126,26 +126,26 @@ returns @samp{1/3}."
 (define (rich-path-stencil ls x-stretch y-stretch proc)
   (lambda (radius thick fill layout props)
     (let*
-      ((fill-translate (key-fill-translate fill))
-       (gray? (eqv? fill-translate 0.5)))
-     (ly:stencil-add
-      ((if gray? gray-colorize identity)
-      (proc
-        (make-connected-path-stencil
-        ls
-        thick
-        (* x-stretch radius)
-        (* y-stretch radius)
-        #f
-        (if gray? #t fill-translate))))
-      (if (not gray?)
-          empty-stencil
-          ((rich-path-stencil ls x-stretch y-stretch proc)
-           radius
-           thick
-           1
-           layout
-           props))))))
+        ((fill-translate (key-fill-translate fill))
+         (gray? (eqv? fill-translate 0.5)))
+      (ly:stencil-add
+       ((if gray? gray-colorize identity)
+        (proc
+         (make-connected-path-stencil
+          ls
+          thick
+          (* x-stretch radius)
+          (* y-stretch radius)
+          #f
+          (if gray? #t fill-translate))))
+       (if (not gray?)
+           empty-stencil
+           ((rich-path-stencil ls x-stretch y-stretch proc)
+            radius
+            thick
+            1
+            layout
+            props))))))
 
 ;; A connected path stencil without a surrounding proc
 (define (standard-path-stencil ls x-stretch y-stretch)
@@ -155,49 +155,49 @@ returns @samp{1/3}."
 (define (rich-pe-stencil x-stretch y-stretch start end proc)
   (lambda (radius thick fill layout props)
     (let*
-      ((fill-translate (key-fill-translate fill))
-       (gray? (eqv? fill-translate 0.5)))
-     (ly:stencil-add
-      ((if gray? gray-colorize identity)
-      (proc
-        (make-partial-ellipse-stencil
-        (* x-stretch radius)
-        (* y-stretch radius)
-        start
-        end
-        thick
-        #t
-        (if gray? #t fill-translate))))
-      (if (not gray?)
-          empty-stencil
-          ((rich-pe-stencil x-stretch y-stretch start end proc)
-           radius
-           thick
-           1
-           layout
-           props))))))
+        ((fill-translate (key-fill-translate fill))
+         (gray? (eqv? fill-translate 0.5)))
+      (ly:stencil-add
+       ((if gray? gray-colorize identity)
+        (proc
+         (make-partial-ellipse-stencil
+          (* x-stretch radius)
+          (* y-stretch radius)
+          start
+          end
+          thick
+          #t
+          (if gray? #t fill-translate))))
+       (if (not gray?)
+           empty-stencil
+           ((rich-pe-stencil x-stretch y-stretch start end proc)
+            radius
+            thick
+            1
+            layout
+            props))))))
 
 (define (rich-e-stencil x-stretch y-stretch proc)
   (lambda (radius thick fill layout props)
     (let*
-      ((fill-translate (key-fill-translate fill))
-       (gray? (eqv? fill-translate 0.5)))
-     (ly:stencil-add
-      ((if gray? gray-colorize identity)
-      (proc
-        (make-ellipse-stencil
+        ((fill-translate (key-fill-translate fill))
+         (gray? (eqv? fill-translate 0.5)))
+      (ly:stencil-add
+       ((if gray? gray-colorize identity)
+        (proc
+         (make-ellipse-stencil
           (* x-stretch radius)
           (* y-stretch radius)
           thick
           (if gray? #t fill-translate))))
-      (if (not gray?)
-        empty-stencil
-        ((rich-e-stencil x-stretch y-stretch proc)
-          radius
-          thick
-          1
-          layout
-          props))))))
+       (if (not gray?)
+           empty-stencil
+           ((rich-e-stencil x-stretch y-stretch proc)
+            radius
+            thick
+            1
+            layout
+            props))))))
 
 ;; An ellipse stencil without a surrounding proc
 (define (standard-e-stencil x-stretch y-stretch)
@@ -210,36 +210,36 @@ returns @samp{1/3}."
 (define (make-symbol-alist symbol simple? ring?)
   (filter (lambda (x)
             (not
-              (equal?
-                x
-                `(,(symbol-concatenate symbol 'T 'F) .
-                 ,(expt (assoc-get 'F HOLE-FILL-LIST) 2)))))
+             (equal?
+              x
+              `(,(symbol-concatenate symbol 'T 'F) .
+                ,(expt (assoc-get 'F HOLE-FILL-LIST) 2)))))
           (append
-            `((,symbol . ,(assoc-get 'F HOLE-FILL-LIST))
-              (,(symbol-concatenate symbol 'T) .
-               ,(expt (assoc-get 'F HOLE-FILL-LIST) 2)))
-            (if simple?
-                '()
-                (apply append
-                  (map (lambda (x)
-                         (append
-                           `((,(symbol-concatenate symbol (car x) 'T)
-                              . ,(expt (cdr x) 2))
-                             (,(symbol-concatenate symbol 'T (car x))
-                              . ,(* (cdr x) (assoc-get 'F HOLE-FILL-LIST)))
-                             (,(symbol-concatenate symbol (car x))
-                              . ,(cdr x)))
-                             (apply append
-                               (map (lambda (y)
-                                      (map (lambda (a b)
-                                             `(,(symbol-concatenate symbol
-                                                                    (car a)
-                                                                    'T
-                                                                    (car b))
-                                               . ,(* (cdr a) (cdr b))))
-                                           `(,x ,y) `(,y ,x)))
-                                    (cdr (member x HOLE-FILL-LIST))))))
-                       (if ring? HOLE-FILL-LIST (cdr HOLE-FILL-LIST))))))))
+           `((,symbol . ,(assoc-get 'F HOLE-FILL-LIST))
+             (,(symbol-concatenate symbol 'T) .
+              ,(expt (assoc-get 'F HOLE-FILL-LIST) 2)))
+           (if simple?
+               '()
+               (apply append
+                      (map (lambda (x)
+                             (append
+                              `((,(symbol-concatenate symbol (car x) 'T)
+                                 . ,(expt (cdr x) 2))
+                                (,(symbol-concatenate symbol 'T (car x))
+                                 . ,(* (cdr x) (assoc-get 'F HOLE-FILL-LIST)))
+                                (,(symbol-concatenate symbol (car x))
+                                 . ,(cdr x)))
+                              (apply append
+                                     (map (lambda (y)
+                                            (map (lambda (a b)
+                                                   `(,(symbol-concatenate symbol
+                                                                          (car a)
+                                                                          'T
+                                                                          (car b))
+                                                     . ,(* (cdr a) (cdr b))))
+                                                 `(,x ,y) `(,y ,x)))
+                                          (cdr (member x HOLE-FILL-LIST))))))
+                           (if ring? HOLE-FILL-LIST (cdr HOLE-FILL-LIST))))))))
 
 ;;; Commands for text layout
 
@@ -248,50 +248,50 @@ returns @samp{1/3}."
   (conditional-circle-markup layout props trigger in-markup)
   (number? markup?)
   (interpret-markup layout props
-    (if (eqv? trigger 0.5)
-      (markup #:circle (markup in-markup))
-      (markup in-markup))))
+                    (if (eqv? trigger 0.5)
+                        (markup #:circle (markup in-markup))
+                        (markup in-markup))))
 
 ;; Makes a list of named-keys
 (define (make-name-keylist input-list key-list font-size)
   (map (lambda (x y)
          (if (< x 1)
-           (markup #:conditional-circle-markup
-             x
-             (make-concat-markup
-               (list
-                 (markup #:abs-fontsize font-size (car y))
-                 (if (and (< x 1) (cdr y))
-                   (if (eqv? (cdr y) 1)
-                     (markup
-                       #:abs-fontsize
-                       font-size
-                       #:raise
-                       1
-                       #:fontsize
-                       -2
-                       #:sharp)
-                     (markup
-                       #:abs-fontsize
-                       font-size
-                       #:raise
-                       1
-                       #:fontsize
-                       -2
-                       #:flat))
-                 (markup #:null)))))
-           (markup #:null)))
-         input-list key-list))
+             (markup #:conditional-circle-markup
+                     x
+                     (make-concat-markup
+                      (list
+                       (markup #:abs-fontsize font-size (car y))
+                       (if (and (< x 1) (cdr y))
+                           (if (eqv? (cdr y) 1)
+                               (markup
+                                #:abs-fontsize
+                                font-size
+                                #:raise
+                                1
+                                #:fontsize
+                                -2
+                                #:sharp)
+                               (markup
+                                #:abs-fontsize
+                                font-size
+                                #:raise
+                                1
+                                #:fontsize
+                                -2
+                                #:flat))
+                           (markup #:null)))))
+             (markup #:null)))
+       input-list key-list))
 
 ;; Makes a list of number-keys
 (define (make-number-keylist input-list key-list font-size)
   (map (lambda (x y)
          (if (< x 1)
-           (markup
-             #:conditional-circle-markup
-             x
-             (markup #:abs-fontsize font-size #:number y))
-           (markup #:null)))
+             (markup
+              #:conditional-circle-markup
+              x
+              (markup #:abs-fontsize font-size #:number y))
+             (markup #:null)))
        input-list
        key-list))
 
@@ -299,35 +299,35 @@ returns @samp{1/3}."
 (define (aligned-text-stencil-function dir hv)
   (lambda (key-name-list radius fill-list layout props)
     (interpret-markup
-      layout
-      props
-      (make-general-align-markup
-        X
-        dir
-        ((if hv make-concat-markup make-center-column-markup)
-          (make-name-keylist
-            (map text-fill-translate fill-list)
-            key-name-list
-            (* 12 radius)))))))
+     layout
+     props
+     (make-general-align-markup
+      X
+      dir
+      ((if hv make-concat-markup make-center-column-markup)
+       (make-name-keylist
+        (map text-fill-translate fill-list)
+        key-name-list
+        (* 12 radius)))))))
 
 (define number-column-stencil
   (lambda (key-name-list radius fill-list layout props)
     (interpret-markup
-      layout
-      props
+     layout
+     props
+     (make-general-align-markup
+      Y
+      CENTER
       (make-general-align-markup
-        Y
-        CENTER
-        (make-general-align-markup
-          X
-          RIGHT
-          (make-override-markup
-            '(baseline-skip . 0)
-            (make-column-markup
-              (make-number-keylist
-                (map text-fill-translate fill-list)
-                key-name-list
-                (* radius 8)))))))))
+       X
+       RIGHT
+       (make-override-markup
+        '(baseline-skip . 0)
+        (make-column-markup
+         (make-number-keylist
+          (map text-fill-translate fill-list)
+          key-name-list
+          (* radius 8)))))))))
 
 ;; Utility function for the left-hand keys
 (define lh-woodwind-text-stencil
@@ -344,17 +344,17 @@ returns @samp{1/3}."
 
 (define (rich-group-draw-rule alist target-part change-part)
   (if
-    (entry-greater-than-x?
-      (map (lambda (key) (assoc-get key alist)) target-part) 3)
-    (map-selected-alist-keys (lambda (x) (if (= x 0) 1 x)) change-part alist)
-    alist))
+   (entry-greater-than-x?
+    (map (lambda (key) (assoc-get key alist)) target-part) 3)
+   (map-selected-alist-keys (lambda (x) (if (= x 0) 1 x)) change-part alist)
+   alist))
 
 (define (bassoon-midline-rule alist target-part)
   (if
-    (entry-greater-than-x?
-      (map (lambda (key) (assoc-get key alist)) target-part) 0)
-    (map-selected-alist-keys (lambda (x) 1) '((hidden . long-midline)) alist)
-    (map-selected-alist-keys (lambda (x) 1) '((hidden . midline)) alist)))
+   (entry-greater-than-x?
+    (map (lambda (key) (assoc-get key alist)) target-part) 0)
+   (map-selected-alist-keys (lambda (x) 1) '((hidden . long-midline)) alist)
+   (map-selected-alist-keys (lambda (x) 1) '((hidden . midline)) alist)))
 
 (define (group-draw-rule alist target-part)
   (rich-group-draw-rule alist target-part target-part))
@@ -364,28 +364,28 @@ returns @samp{1/3}."
 
 (define (apply-group-draw-rule-series alist target-part-list)
   (if (null? target-part-list)
-    alist
-    (apply-group-draw-rule-series
-      (group-draw-rule alist (car target-part-list))
-      (cdr target-part-list))))
+      alist
+      (apply-group-draw-rule-series
+       (group-draw-rule alist (car target-part-list))
+       (cdr target-part-list))))
 
 ;; Extra-offset rules
 
 (define (rich-group-extra-offset-rule alist target-part change-part eos)
   (if
-    (entry-greater-than-x?
-      (map (lambda (key) (assoc-get key alist)) target-part) 0)
-    (map-selected-alist-keys (lambda (x) eos) change-part alist)
-    alist))
+   (entry-greater-than-x?
+    (map (lambda (key) (assoc-get key alist)) target-part) 0)
+   (map-selected-alist-keys (lambda (x) eos) change-part alist)
+   alist))
 
 (define (group-extra-offset-rule alist target-part eos)
   (rich-group-extra-offset-rule alist target-part target-part eos))
 
 (define (uniform-extra-offset-rule alist eos)
   (map-selected-alist-keys
-    (lambda (x) (if (pair? x) x eos))
-    (assoc-keys alist)
-    alist))
+   (lambda (x) (if (pair? x) x eos))
+   (assoc-keys alist)
+   alist))
 
 ;;; General drawing commands
 
@@ -402,29 +402,29 @@ returns @samp{1/3}."
 ;; Used for several upper keys in the clarinet and sax
 (define (upper-key-stencil tailw tailh bodyw bodyh)
   (let*
-   ((xmove (lambda (x) (+ tailw (+ 0.2 (* bodyw (- x 0.2))))))
-    (ymove (lambda (x) (+ (- tailh) (+ -0.05 (* bodyh (+ x 0.05)))))))
-  (standard-path-stencil
-    `((,(xmove 0.7)
-       ,(ymove -0.2)
-       ,(xmove 1.0)
-       ,(ymove -1.0)
-       ,(xmove 0.5)
-       ,(ymove -1.0))
-      (,(xmove 0.2)
-       ,(ymove -1.0)
-       ,(xmove 0.2)
-       ,(ymove -0.2)
-       ,(xmove 0.3)
-       ,(ymove -0.1))
-      (,(+ 0.2 tailw)
-       ,(- -0.05 tailh)
-       ,(+ 0.1 (/ tailw 2))
-       ,(- -0.025 (/ tailh 2))
-       0.0
-       0.0))
-    1.0
-    1.0)))
+      ((xmove (lambda (x) (+ tailw (+ 0.2 (* bodyw (- x 0.2))))))
+       (ymove (lambda (x) (+ (- tailh) (+ -0.05 (* bodyh (+ x 0.05)))))))
+    (standard-path-stencil
+     `((,(xmove 0.7)
+        ,(ymove -0.2)
+        ,(xmove 1.0)
+        ,(ymove -1.0)
+        ,(xmove 0.5)
+        ,(ymove -1.0))
+       (,(xmove 0.2)
+        ,(ymove -1.0)
+        ,(xmove 0.2)
+        ,(ymove -0.2)
+        ,(xmove 0.3)
+        ,(ymove -0.1))
+       (,(+ 0.2 tailw)
+        ,(- -0.05 tailh)
+        ,(+ 0.1 (/ tailw 2))
+        ,(- -0.025 (/ tailh 2))
+        0.0
+        0.0))
+     1.0
+     1.0)))
 
 ;; Utility function for the column-hole maker.
 ;; Returns the left and right degrees for the drawing of a given
@@ -432,23 +432,23 @@ returns @samp{1/3}."
 (define (degree-first-true fill-list left? reverse?)
   (define (dfl-crawler fill-list os-list left?)
     (if (car fill-list)
-      ((if left? car cdr) (car os-list))
-      (dfl-crawler (cdr fill-list) (cdr os-list) left?)))
+        ((if left? car cdr) (car os-list))
+        (dfl-crawler (cdr fill-list) (cdr os-list) left?)))
   (dfl-crawler
-    ((if reverse? reverse identity) fill-list)
-    ((if reverse? reverse identity)
-      '((0 . 0) (215 . 325) (180 . 0) (145 . 35) (90 . 90)))
-    left?))
+   ((if reverse? reverse identity) fill-list)
+   ((if reverse? reverse identity)
+    '((0 . 0) (215 . 325) (180 . 0) (145 . 35) (90 . 90)))
+   left?))
 
 ;; Gets the position of the first (or last if reverse?) element of a list.
 (define (position-true-endpoint in-list reverse?)
   (define (pte-crawler in-list n)
     (if (car in-list)
-      n
-      (pte-crawler (cdr in-list) (+ n 1))))
+        n
+        (pte-crawler (cdr in-list) (+ n 1))))
   ((if reverse? - +)
-    (if reverse? (length in-list) 0)
-    (pte-crawler ((if reverse? reverse identity) in-list) 0)))
+   (if reverse? (length in-list) 0)
+   (pte-crawler ((if reverse? reverse identity) in-list) 0)))
 
 ;; Huge, kind-of-ugly maker of a circle in a column.
 ;; I think this is the clearest way to write it, though...
@@ -456,57 +456,57 @@ returns @samp{1/3}."
 (define (column-circle-stencil radius thick fill layout props)
   (let* ((fill-list (process-fill-value fill)))
     (cond
-      ((and
-        (list-ref fill-list 0)
-        (not (true-entry? (list-tail fill-list 1)))) ; is it empty?
-       ((standard-e-stencil 1.0 1.0) radius thick fill layout props))
-      ((and
-        (list-ref fill-list 4)
-        (not (true-entry? (list-head fill-list 4)))) ; is it full?
-       ((standard-e-stencil 1.0 1.0) radius thick fill layout props))
-      ((and
-        (list-ref fill-list 0)
-        (list-ref fill-list 4)) ; is it a trill between empty and full?
-       ((standard-e-stencil 1.0 1.0) radius thick fill layout props))
-      (else  ;If none of these, it is partially full.
-        (ly:stencil-add
-          ((rich-pe-stencil 1.0 1.0 0 360 identity)
-            radius
-            thick
-            (if (list-ref fill-list 4)
-              (expt (assoc-get 'F HOLE-FILL-LIST) 2)
-              1)
-            layout
-            props)
-          ((rich-pe-stencil
-            1.0
-            1.0
-            (degree-first-true fill-list #t #t)
-            (degree-first-true fill-list #f #t)
-            identity)
-            radius
-            thick
-            (if
-              (true-entry?
-                (list-head fill-list (position-true-endpoint fill-list #t)))
-              (expt (assoc-get 'F HOLE-FILL-LIST) 2)
-              (assoc-get 'F HOLE-FILL-LIST))
-            layout
-            props)
-          (if
-            (= 2 (n-true-entries (list-tail fill-list 1))) ; trill?
-            ((rich-pe-stencil
-              1.0
-              1.0
-              (degree-first-true fill-list #t #f)
-              (degree-first-true fill-list #f #f)
-              identity)
-              radius
-              thick
-              (assoc-get 'F HOLE-FILL-LIST)
-              layout
-              props)
-            empty-stencil))))))
+     ((and
+       (list-ref fill-list 0)
+       (not (true-entry? (list-tail fill-list 1)))) ; is it empty?
+      ((standard-e-stencil 1.0 1.0) radius thick fill layout props))
+     ((and
+       (list-ref fill-list 4)
+       (not (true-entry? (list-head fill-list 4)))) ; is it full?
+      ((standard-e-stencil 1.0 1.0) radius thick fill layout props))
+     ((and
+       (list-ref fill-list 0)
+       (list-ref fill-list 4)) ; is it a trill between empty and full?
+      ((standard-e-stencil 1.0 1.0) radius thick fill layout props))
+     (else  ;If none of these, it is partially full.
+      (ly:stencil-add
+       ((rich-pe-stencil 1.0 1.0 0 360 identity)
+        radius
+        thick
+        (if (list-ref fill-list 4)
+            (expt (assoc-get 'F HOLE-FILL-LIST) 2)
+            1)
+        layout
+        props)
+       ((rich-pe-stencil
+         1.0
+         1.0
+         (degree-first-true fill-list #t #t)
+         (degree-first-true fill-list #f #t)
+         identity)
+        radius
+        thick
+        (if
+         (true-entry?
+          (list-head fill-list (position-true-endpoint fill-list #t)))
+         (expt (assoc-get 'F HOLE-FILL-LIST) 2)
+         (assoc-get 'F HOLE-FILL-LIST))
+        layout
+        props)
+       (if
+        (= 2 (n-true-entries (list-tail fill-list 1))) ; trill?
+        ((rich-pe-stencil
+          1.0
+          1.0
+          (degree-first-true fill-list #t #f)
+          (degree-first-true fill-list #f #f)
+          identity)
+         radius
+         thick
+         (assoc-get 'F HOLE-FILL-LIST)
+         layout
+         props)
+        empty-stencil))))))
 
 (define (variable-column-circle-stencil scaler)
   (lambda (radius thick fill layout props)
@@ -515,62 +515,62 @@ returns @samp{1/3}."
 ;; A stencil for ring-column circles that combines two of the above
 (define (ring-column-circle-stencil radius thick fill layout props)
   (if (= 0 (remainder fill (assoc-get 'R HOLE-FILL-LIST)))
-    (ly:stencil-add
-      ((if
-        (= fill (expt (assoc-get 'R HOLE-FILL-LIST) 2))
-        gray-colorize
-        identity)
+      (ly:stencil-add
+       ((if
+         (= fill (expt (assoc-get 'R HOLE-FILL-LIST) 2))
+         gray-colorize
+         identity)
         ((standard-e-stencil
-            (* (+ (- 1.0 (* 2 thick)) (/ thick 2)))
-            (* (+ (- 1.0 (* 2 thick)) (/ thick 2))))
-          radius
-          (* (* 4 radius) thick)
-          1
-          layout
-          props))
-      ((standard-e-stencil 1.0 1.0) radius thick 1 layout props)
-      (column-circle-stencil
+          (* (+ (- 1.0 (* 2 thick)) (/ thick 2)))
+          (* (+ (- 1.0 (* 2 thick)) (/ thick 2))))
+         radius
+         (* (* 4 radius) thick)
+         1
+         layout
+         props))
+       ((standard-e-stencil 1.0 1.0) radius thick 1 layout props)
+       (column-circle-stencil
         (+ (* (- 1.0 (* 4 thick)) radius) (/ thick 2))
         thick
         (*
-          (if (= 0 (remainder fill (assoc-get 'F HOLE-FILL-LIST)))
-            (assoc-get 'F HOLE-FILL-LIST)
-            1)
-          (if (= fill (expt (assoc-get 'R HOLE-FILL-LIST) 2))
-            (/ fill (expt (assoc-get 'R HOLE-FILL-LIST) 2))
-            (/ fill (assoc-get 'R HOLE-FILL-LIST))))
+         (if (= 0 (remainder fill (assoc-get 'F HOLE-FILL-LIST)))
+             (assoc-get 'F HOLE-FILL-LIST)
+             1)
+         (if (= fill (expt (assoc-get 'R HOLE-FILL-LIST) 2))
+             (/ fill (expt (assoc-get 'R HOLE-FILL-LIST) 2))
+             (/ fill (assoc-get 'R HOLE-FILL-LIST))))
         layout
         props))
-    (column-circle-stencil radius thick fill layout props)))
+      (column-circle-stencil radius thick fill layout props)))
 
 ;;; Flute family stencils
 
 (define flute-lh-b-key-stencil
   (standard-path-stencil
-    '((0 1.3)
-      (0 1.625 -0.125 1.75 -0.25 1.75)
-      (-0.55 1.75 -0.55 0.95 -0.25 0.7)
-      (0 0.4 0 0.125 0 0))
-    2
-    1.55))
+   '((0 1.3)
+     (0 1.625 -0.125 1.75 -0.25 1.75)
+     (-0.55 1.75 -0.55 0.95 -0.25 0.7)
+     (0 0.4 0 0.125 0 0))
+   2
+   1.55))
 
 (define flute-lh-bes-key-stencil
   (standard-path-stencil
-    '((0 1.3)
-      (0 1.625 -0.125 1.75 -0.25 1.75)
-      (-0.55 1.75 -0.55 0.95 -0.25 0.7)
-      (0 0.4 0 0.125 0 0))
-    2.0
-    1.3))
+   '((0 1.3)
+     (0 1.625 -0.125 1.75 -0.25 1.75)
+     (-0.55 1.75 -0.55 0.95 -0.25 0.7)
+     (0 0.4 0 0.125 0 0))
+   2.0
+   1.3))
 
 (define (flute-lh-gis-rh-bes-key-stencil deg)
   (rich-path-stencil
-    '((0.1 0.1 0.2 0.4 0.3 0.6)
-      (0.3 1.0 0.8 1.0 0.8 0.7)
-      (0.8 0.3 0.5 0.3 0 0))
-    1.0
-    1.0
-    (lambda (stencil) (ly:stencil-rotate stencil deg 0 0))))
+   '((0.1 0.1 0.2 0.4 0.3 0.6)
+     (0.3 1.0 0.8 1.0 0.8 0.7)
+     (0.8 0.3 0.5 0.3 0 0))
+   1.0
+   1.0
+   (lambda (stencil) (ly:stencil-rotate stencil deg 0 0))))
 
 (define flute-lh-gis-key-stencil (flute-lh-gis-rh-bes-key-stencil 0))
 
@@ -582,97 +582,97 @@ returns @samp{1/3}."
 
 (define flute-rh-ees-key-stencil
   (standard-path-stencil
-    '((0.8 0) (1.1 0 1.1 0.75 0.7 0.75) (0.5 0.75) (0.15 0.75 0.1 0.2 0 0))
-    -2.38
-    1.4))
+   '((0.8 0) (1.1 0 1.1 0.75 0.7 0.75) (0.5 0.75) (0.15 0.75 0.1 0.2 0 0))
+   -2.38
+   1.4))
 
 (define (piccolo-rh-x-key-stencil radius thick fill layout props)
   (interpret-markup
-    layout
-    props
-    (make-general-align-markup
-      Y
-      DOWN
-      (make-concat-markup
-        (make-name-keylist
-          `(,(text-fill-translate fill))
-          '(("X" . #f))
-          (* 9 radius))))))
+   layout
+   props
+   (make-general-align-markup
+    Y
+    DOWN
+    (make-concat-markup
+     (make-name-keylist
+      `(,(text-fill-translate fill))
+      '(("X" . #f))
+      (* 9 radius))))))
 
 (define flute-lower-row-stretch 1.4)
 
 (define flute-rh-cis-key-stencil
   (standard-path-stencil
-    '((0 0.75) (-0.8 0.75 -0.8 0 0 0))
-    flute-lower-row-stretch
-    flute-lower-row-stretch))
+   '((0 0.75) (-0.8 0.75 -0.8 0 0 0))
+   flute-lower-row-stretch
+   flute-lower-row-stretch))
 
 (define flute-rh-c-key-stencil
   (standard-path-stencil
-    '((0 0.75) (0.4 0.75) (0.4 0) (0 0))
-    flute-lower-row-stretch
-    flute-lower-row-stretch))
+   '((0 0.75) (0.4 0.75) (0.4 0) (0 0))
+   flute-lower-row-stretch
+   flute-lower-row-stretch))
 
 (define flute-rh-b-key-stencil
   (standard-path-stencil
-    '((0 0.75) (0.25 0.75) (0.25 0) (0 0))
-    flute-lower-row-stretch
-    flute-lower-row-stretch))
+   '((0 0.75) (0.25 0.75) (0.25 0) (0 0))
+   flute-lower-row-stretch
+   flute-lower-row-stretch))
 
 (define flute-rh-gz-key-stencil
   (rich-path-stencil
-      '((0.1 0.1 0.4 0.2 0.6 0.3)
-        (1.0 0.3 1.0 0.8 0.7 0.8)
-        (0.3 0.8 0.3 0.5 0 0))
-      flute-lower-row-stretch
-      flute-lower-row-stretch
-      (lambda (stencil) (ly:stencil-rotate stencil 160 0 0))))
+   '((0.1 0.1 0.4 0.2 0.6 0.3)
+     (1.0 0.3 1.0 0.8 0.7 0.8)
+     (0.3 0.8 0.3 0.5 0 0))
+   flute-lower-row-stretch
+   flute-lower-row-stretch
+   (lambda (stencil) (ly:stencil-rotate stencil 160 0 0))))
 
 ;;; Shared oboe/clarinet stencils
 
 (define (oboe-lh-gis-lh-low-b-key-stencil gis?)
   (let*
-    ((x 1.2)
-     (y 0.4)
-     (scaling-factor 1.7)
-     (up-part
-       (car
+      ((x 1.2)
+       (y 0.4)
+       (scaling-factor 1.7)
+       (up-part
+        (car
          (split-bezier
-           `((0.0 . 0.0) (0.0 . ,y) (,x . ,y) (,x . 0.0))
-           0.8)))
-     (down-part
-       (cdr
+          `((0.0 . 0.0) (0.0 . ,y) (,x . ,y) (,x . 0.0))
+          0.8)))
+       (down-part
+        (cdr
          (split-bezier
-           `((,x . 0.0) (,x . ,(- y)) (0.0 . ,(- y)) (0.0 . 0.0))
-           0.2))))
+          `((,x . 0.0) (,x . ,(- y)) (0.0 . ,(- y)) (0.0 . 0.0))
+          0.2))))
     (if gis?
-      (standard-path-stencil
-        (append
+        (standard-path-stencil
+         (append
           (append
-            `((0.25 ,(/ y -2) 0.75 ,(/ y -2) 1.0 0.0))
-            (map (lambda (l)
-                   (flatten-list
-                     (map (lambda (x)
-                            (coord-translate
-                              (coord-rotate x (atan (/ y (* 2 0.25))))
-                              '(1.0 . 0)))
-                          l)))
-                 `(((0 . ,y) (,x . ,y) (,x . 0))
-                   ((,x . ,(- y)) (0 . ,(- y)) (0 . 0)))))
+           `((0.25 ,(/ y -2) 0.75 ,(/ y -2) 1.0 0.0))
+           (map (lambda (l)
+                  (flatten-list
+                   (map (lambda (x)
+                          (coord-translate
+                           (coord-rotate x (atan (/ y (* 2 0.25))))
+                           '(1.0 . 0)))
+                        l)))
+                `(((0 . ,y) (,x . ,y) (,x . 0))
+                  ((,x . ,(- y)) (0 . ,(- y)) (0 . 0)))))
           `((0.75 ,(/ y -2) 0.25 ,(/ y -2) 0.0 0.0)))
-        scaling-factor
-        scaling-factor)
-      (standard-path-stencil
-        (map (lambda (l)
-               (flatten-list
+         scaling-factor
+         scaling-factor)
+        (standard-path-stencil
+         (map (lambda (l)
+                (flatten-list
                  (map (lambda (x)
                         (coord-rotate x (atan (/ y (* 2 0.25)))))
                       l)))
-             `(,(list-tail up-part 1)
-               ,(list-head down-part 1)
-               ,(list-tail down-part 1)))
-        (- scaling-factor)
-        (- scaling-factor)))))
+              `(,(list-tail up-part 1)
+                ,(list-head down-part 1)
+                ,(list-tail down-part 1)))
+         (- scaling-factor)
+         (- scaling-factor)))))
 
 (define oboe-lh-gis-key-stencil (oboe-lh-gis-lh-low-b-key-stencil #t))
 
@@ -680,13 +680,13 @@ returns @samp{1/3}."
 
 (define (oboe-lh-ees-lh-bes-key-stencil ees?)
   (standard-path-stencil
-    `((0 1.5)
-      (0 1.625 -0.125 1.75 -0.25 1.75)
-      (-0.5 1.75 -0.5 0.816 -0.25 0.5)
-      (0 0.25 0 0.125 0 0)
-      (0 ,(if ees? -0.6 -0.3)))
-    (* (if ees? -1.0 1.0) -1.8)
-    1.8))
+   `((0 1.5)
+     (0 1.625 -0.125 1.75 -0.25 1.75)
+     (-0.5 1.75 -0.5 0.816 -0.25 0.5)
+     (0 0.25 0 0.125 0 0)
+     (0 ,(if ees? -0.6 -0.3)))
+   (* (if ees? -1.0 1.0) -1.8)
+   1.8))
 
 (define oboe-lh-ees-key-stencil (oboe-lh-ees-lh-bes-key-stencil #t))
 
@@ -697,13 +697,13 @@ returns @samp{1/3}."
 (define (oboe-lh-octave-key-stencil long?)
   (let* ((h (if long? 1.4 1.2)))
     (standard-path-stencil
-    `((-0.4 0 -0.4 1.0 -0.1 1.0)
-      (-0.1 ,h)
-      (0.1 ,h)
-      (0.1 1.0)
-      (0.4 1.0 0.4 0 0 0))
-    2.0
-    2.0)))
+     `((-0.4 0 -0.4 1.0 -0.1 1.0)
+       (-0.1 ,h)
+       (0.1 ,h)
+       (0.1 1.0)
+       (0.4 1.0 0.4 0 0 0))
+     2.0
+     2.0)))
 
 (define oboe-lh-I-key-stencil (oboe-lh-octave-key-stencil #f))
 
@@ -729,13 +729,13 @@ returns @samp{1/3}."
 
 (define (oboe-rh-c-rh-ees-key-stencil c?)
   (rich-path-stencil
-    '((1.0 0.0 1.0 0.70 1.5 0.70)
-      (2.25 0.70 2.25 -0.4 1.5 -0.4)
-      (1.0 -0.4 1.0 0 0 0)
-      (-0.15 0))
-    2.0
-    1.4
-    (lambda (stencil) (ly:stencil-rotate stencil (if c? 170 180) 0 0))))
+   '((1.0 0.0 1.0 0.70 1.5 0.70)
+     (2.25 0.70 2.25 -0.4 1.5 -0.4)
+     (1.0 -0.4 1.0 0 0 0)
+     (-0.15 0))
+   2.0
+   1.4
+   (lambda (stencil) (ly:stencil-rotate stencil (if c? 170 180) 0 0))))
 
 (define oboe-rh-banana-key-stencil oboe-rh-gis-key-stencil)
 
@@ -743,12 +743,12 @@ returns @samp{1/3}."
 
 (define oboe-rh-cis-key-stencil
   (rich-path-stencil
-    '((0.6 0.0 0.6 0.50 1.25 0.50)
-      (2.25 0.50 2.25 -0.4 1.25 -0.4)
-      (0.6 -0.4 0.6 0 0 0))
-    -0.9
-    1.0
-    (lambda (stencil) (ly:stencil-rotate stencil 0 0 0))))
+   '((0.6 0.0 0.6 0.50 1.25 0.50)
+     (2.25 0.50 2.25 -0.4 1.25 -0.4)
+     (0.6 -0.4 0.6 0 0 0))
+   -0.9
+   1.0
+   (lambda (stencil) (ly:stencil-rotate stencil 0 0 0))))
 
 (define oboe-rh-ees-key-stencil (oboe-rh-c-rh-ees-key-stencil #f))
 
@@ -759,22 +759,22 @@ returns @samp{1/3}."
 
 (define clarinet-lh-R-key-stencil
   (let* ((halfbase (cos (/ PI 10)))
-    (height (*
-      halfbase
-      (/ (sin (/ (* 4 PI) 10)) (cos (/ (* 4 PI) 10))))))
-   (standard-path-stencil
-      `(
-        (0 ,(/ -4.0 3.0) -2.0 ,(/ -4.0 3.0) -2.0 0.0)
-        (-1.5 ,(* 0.5 height) -1.25 ,(* 0.75 height) -1.0 ,height)
-        (-0.75 ,(* 0.75 height) -0.5 ,(* 0.5 height) 0.0 0.0))
-      0.9
-      0.9)))
+         (height (*
+                  halfbase
+                  (/ (sin (/ (* 4 PI) 10)) (cos (/ (* 4 PI) 10))))))
+    (standard-path-stencil
+     `(
+       (0 ,(/ -4.0 3.0) -2.0 ,(/ -4.0 3.0) -2.0 0.0)
+       (-1.5 ,(* 0.5 height) -1.25 ,(* 0.75 height) -1.0 ,height)
+       (-0.75 ,(* 0.75 height) -0.5 ,(* 0.5 height) 0.0 0.0))
+     0.9
+     0.9)))
 
 (define (clarinet-lh-a-key-stencil radius thick fill layout props)
   (let* ((width 0.4) (height 0.75) (linelen 0.45))
-  (ly:stencil-add
-    ((standard-e-stencil width height) radius thick fill layout props)
-    (ly:stencil-translate
+    (ly:stencil-add
+     ((standard-e-stencil width height) radius thick fill layout props)
+     (ly:stencil-translate
       (make-line-stencil thick 0 0 0 (* linelen radius))
       (cons 0 (* height radius))))))
 
@@ -794,30 +794,30 @@ returns @samp{1/3}."
 
 (define clarinet-rh-low-c-key-stencil
   (standard-path-stencil
-    '((0.0 1.5)
-      (0.0 2.5 -1.0 2.5 -1.0 0.75)
-      (-1.0 0.1 0.0 0.25 0.0 0.3)
-      (0.0 0.0))
-    0.8
-    0.8))
+   '((0.0 1.5)
+     (0.0 2.5 -1.0 2.5 -1.0 0.75)
+     (-1.0 0.1 0.0 0.25 0.0 0.3)
+     (0.0 0.0))
+   0.8
+   0.8))
 
 (define clarinet-rh-low-cis-key-stencil
   (standard-path-stencil
-    '((0.0 1.17)
-      (0.0 1.67 -1.0 1.67 -1.0 0.92)
-      (-1.0 0.47 0.0 0.52 0.0 0.62)
-      (0.0 0.0))
-    0.8
-    0.8))
+   '((0.0 1.17)
+     (0.0 1.67 -1.0 1.67 -1.0 0.92)
+     (-1.0 0.47 0.0 0.52 0.0 0.62)
+     (0.0 0.0))
+   0.8
+   0.8))
 
 (define clarinet-rh-low-d-key-stencil
   (standard-path-stencil
-    '((0.0 1.05)
-      (0.0 1.55 -1.0 1.55 -1.0 0.8)
-      (-1.0 0.35 0.0 0.4 0.0 0.5)
-      (0.0 0.0))
-    0.8
-    0.8))
+   '((0.0 1.05)
+     (0.0 1.55 -1.0 1.55 -1.0 0.8)
+     (-1.0 0.35 0.0 0.4 0.0 0.5)
+     (0.0 0.0))
+   0.8
+   0.8))
 
 (define clarinet-rh-one-key-stencil (standard-e-stencil 0.5 0.25))
 
@@ -841,52 +841,52 @@ returns @samp{1/3}."
 
 (define clarinet-rh-fis-key-stencil
   (standard-path-stencil
-    `(,(bezier-head-for-stencil
-        '((0.0 . 0.0) (0.0 . -1.0) (1.0 . -1.0) (1.0 . 0.0))
-        0.5)
-      ,(bezier-head-for-stencil
-        '((0.5 . -0.75) (0.5 . 0.25) (1.5 . 0.25) (1.5 . -0.75))
-        0.5)
-      (1.0 1.0 0.0 1.0 0.0 0.0))
-      CL-RH-H-STRETCH
-      CL-RH-V-STRETCH))
+   `(,(bezier-head-for-stencil
+       '((0.0 . 0.0) (0.0 . -1.0) (1.0 . -1.0) (1.0 . 0.0))
+       0.5)
+     ,(bezier-head-for-stencil
+       '((0.5 . -0.75) (0.5 . 0.25) (1.5 . 0.25) (1.5 . -0.75))
+       0.5)
+     (1.0 1.0 0.0 1.0 0.0 0.0))
+   CL-RH-H-STRETCH
+   CL-RH-V-STRETCH))
 
 (define clarinet-rh-gis-key-stencil
   (standard-path-stencil
-    '((0.0 1.0 1.0 1.0 1.0 0.0) (1.0 -1.0 0.0 -1.0 0.0 0.0))
-    CL-RH-H-STRETCH
-    CL-RH-V-STRETCH))
+   '((0.0 1.0 1.0 1.0 1.0 0.0) (1.0 -1.0 0.0 -1.0 0.0 0.0))
+   CL-RH-H-STRETCH
+   CL-RH-V-STRETCH))
 
 (define clarinet-rh-e-key-stencil
   (standard-path-stencil
-    `(,(bezier-head-for-stencil
-        '((0.0 .  0.0) (0.0 . -1.0) (1.0 . -1.0) (1.0 . 0.0))
-        0.5)
-      ,(bezier-head-for-stencil
-        '((0.5 . -0.75) (0.5 . 0.25) (1.5 . 0.25) (1.5 . -0.75))
-        0.5)
-      ,(bezier-head-for-stencil
-        `((1.0 . 0.0) (,(/ 1 3) . 0.0) (,(/ 1 3) . 1.5) (1.0 .  1.5))
-        0.5)
-       ,(bezier-head-for-stencil
-        `((0.5 . 0.75) (,(/ -1 6) . 0.75) (,(/ -1 6) . -0.75) (0.5 . -0.75))
-        0.5))
-    CL-RH-H-STRETCH
-    CL-RH-V-STRETCH))
+   `(,(bezier-head-for-stencil
+       '((0.0 .  0.0) (0.0 . -1.0) (1.0 . -1.0) (1.0 . 0.0))
+       0.5)
+     ,(bezier-head-for-stencil
+       '((0.5 . -0.75) (0.5 . 0.25) (1.5 . 0.25) (1.5 . -0.75))
+       0.5)
+     ,(bezier-head-for-stencil
+       `((1.0 . 0.0) (,(/ 1 3) . 0.0) (,(/ 1 3) . 1.5) (1.0 .  1.5))
+       0.5)
+     ,(bezier-head-for-stencil
+       `((0.5 . 0.75) (,(/ -1 6) . 0.75) (,(/ -1 6) . -0.75) (0.5 . -0.75))
+       0.5))
+   CL-RH-H-STRETCH
+   CL-RH-V-STRETCH))
 
 (define clarinet-rh-f-key-stencil clarinet-rh-gis-key-stencil)
 
 (define bass-clarinet-rh-ees-key-stencil
   (standard-path-stencil
-    `(,(bezier-head-for-stencil
-        '((0.0 . 0.0) (0.0 . -1.0) (1.0 . -1.0) (1.0 . 0.0))
-        0.5)
-      ,(bezier-head-for-stencil
-        '((0.5 . -0.75) (0.5 . 0.25) (1.5 . 0.25) (1.5 . -0.75))
-        0.5)
-      (1.0 1.0 0.0 1.0 0.0 0.0))
-    CL-RH-H-STRETCH
-    (- CL-RH-V-STRETCH)))
+   `(,(bezier-head-for-stencil
+       '((0.0 . 0.0) (0.0 . -1.0) (1.0 . -1.0) (1.0 . 0.0))
+       0.5)
+     ,(bezier-head-for-stencil
+       '((0.5 . -0.75) (0.5 . 0.25) (1.5 . 0.25) (1.5 . -0.75))
+       0.5)
+     (1.0 1.0 0.0 1.0 0.0 0.0))
+   CL-RH-H-STRETCH
+   (- CL-RH-V-STRETCH)))
 
 (define low-bass-clarinet-rh-ees-key-stencil clarinet-rh-e-key-stencil)
 
@@ -908,21 +908,21 @@ returns @samp{1/3}."
 
 (define saxophone-lh-gis-key-stencil
   (standard-path-stencil
-    '((0.0 0.4)
-      (0.0 0.8 3.0 0.8 3.0 0.4)
-      (3.0 0.0)
-      (3.0 -0.4 0.0 -0.4 0.0 0.0))
-    0.8
-    0.8))
+   '((0.0 0.4)
+     (0.0 0.8 3.0 0.8 3.0 0.4)
+     (3.0 0.0)
+     (3.0 -0.4 0.0 -0.4 0.0 0.0))
+   0.8
+   0.8))
 
 (define (saxophone-lh-b-cis-key-stencil flip?)
   (standard-path-stencil
-    '((0.0 1.0)
-      (0.4 1.0 0.8 0.9 1.35 0.8)
-      (1.35 0.0)
-      (0.0 0.0))
-    (* (if flip? -1 1) 0.8)
-    0.8))
+   '((0.0 1.0)
+     (0.4 1.0 0.8 0.9 1.35 0.8)
+     (1.35 0.0)
+     (0.0 0.0))
+   (* (if flip? -1 1) 0.8)
+   0.8))
 
 (define saxophone-lh-cis-key-stencil (saxophone-lh-b-cis-key-stencil #t))
 
@@ -930,27 +930,27 @@ returns @samp{1/3}."
 
 (define saxophone-lh-low-bes-key-stencil
   (standard-path-stencil
-    '((3.0 0.0) (3.0 -1.5 0.0 -1.5 0.0 0.0))
-    0.8
-    0.8))
+   '((3.0 0.0) (3.0 -1.5 0.0 -1.5 0.0 0.0))
+   0.8
+   0.8))
 
 (define (saxophone-rh-side-key-stencil width height)
   (standard-path-stencil
-    `((0.0 ,height)
-    (0.05 ,(+ height 0.05) 0.1 ,(+ height 0.1) 0.15 ,(+ height 0.15))
-    (,(- width 0.15) ,(+ height 0.15))
-    (,(- width 0.1)
-     ,(+ height 0.1)
-     ,(- width 0.05)
-     ,(+ height 0.05)
-     ,width
-     ,height)
-    (,width 0.0)
-    (,(- width 0.05) -0.05 ,(- width 0.1) -0.1 ,(- width 0.15) -0.15)
-    (0.15 -0.15)
-    (0.1 -0.1 0.05 -0.05 0.0 0.0))
-    1.0
-    1.0))
+   `((0.0 ,height)
+     (0.05 ,(+ height 0.05) 0.1 ,(+ height 0.1) 0.15 ,(+ height 0.15))
+     (,(- width 0.15) ,(+ height 0.15))
+     (,(- width 0.1)
+      ,(+ height 0.1)
+      ,(- width 0.05)
+      ,(+ height 0.05)
+      ,width
+      ,height)
+     (,width 0.0)
+     (,(- width 0.05) -0.05 ,(- width 0.1) -0.1 ,(- width 0.15) -0.15)
+     (0.15 -0.15)
+     (0.1 -0.1 0.05 -0.05 0.0 0.0))
+   1.0
+   1.0))
 
 (define saxophone-rh-e-key-stencil (saxophone-rh-side-key-stencil 0.9 1.2))
 
@@ -960,18 +960,18 @@ returns @samp{1/3}."
 
 (define saxophone-rh-high-fis-key-stencil
   (standard-path-stencil
-    (append
-      '((0.0 1.0) (0.0 1.4 0.6 1.4 0.6 1.0) (0.6 0.0))
-      (map (lambda (l)
-             (flatten-list
-               (map (lambda (x)
-                      (coord-rotate x (atan (* -1 (/ PI 6)))))
-                    l)))
-           '(((0.6 . -1.0))
-             ((0.6 . -1.4) (0.0 . -1.4) (0.0 . -1.0))
-             ((0.0 . 0.0)))))
-       0.75
-       0.75))
+   (append
+    '((0.0 1.0) (0.0 1.4 0.6 1.4 0.6 1.0) (0.6 0.0))
+    (map (lambda (l)
+           (flatten-list
+            (map (lambda (x)
+                   (coord-rotate x (atan (* -1 (/ PI 6)))))
+                 l)))
+         '(((0.6 . -1.0))
+           ((0.6 . -1.4) (0.0 . -1.4) (0.0 . -1.0))
+           ((0.0 . 0.0)))))
+   0.75
+   0.75))
 
 (define saxophone-rh-fis-key-stencil (standard-e-stencil 1.0 0.5))
 
@@ -979,112 +979,112 @@ returns @samp{1/3}."
 
 (define saxophone-rh-low-c-key-stencil
   (standard-path-stencil
-    '((3.0 0.0) (3.0 -1.5 0.0 -1.5 0.0 0.0))
-    0.8
-    0.8))
+   '((3.0 0.0) (3.0 -1.5 0.0 -1.5 0.0 0.0))
+   0.8
+   0.8))
 
 (define (saxophone-lh-low-a-key-stencil radius thick fill layout props)
   (interpret-markup
-    layout
-    props
-    (make-general-align-markup
-      Y
-      DOWN
-      (make-concat-markup
-        (make-name-keylist
-          `(,(text-fill-translate fill))
-          '(("lowA" . #f))
-          (* 9 radius))))))
+   layout
+   props
+   (make-general-align-markup
+    Y
+    DOWN
+    (make-concat-markup
+     (make-name-keylist
+      `(,(text-fill-translate fill))
+      '(("lowA" . #f))
+      (* 9 radius))))))
 
 ;;; Bassoon family stencils
 
 (define (bassoon-bend-info-maker height gap cut)
   (let* (
-    (first-bezier
-      (flatten-list
-        (car
-          (split-bezier
-            `((0.0 . ,(+ height gap))
-             (0.0 . ,(+ height (+ gap 1.0)))
-             (1.0 . ,(+ height (+ gap 2.0)))
-             (2.0 . ,(+ height (+ gap 2.0))))
-             cut))))
-    (second-bezier
-      (flatten-list
-        (reverse
-          (car
+         (first-bezier
+          (flatten-list
+           (car
             (split-bezier
+             `((0.0 . ,(+ height gap))
+               (0.0 . ,(+ height (+ gap 1.0)))
+               (1.0 . ,(+ height (+ gap 2.0)))
+               (2.0 . ,(+ height (+ gap 2.0))))
+             cut))))
+         (second-bezier
+          (flatten-list
+           (reverse
+            (car
+             (split-bezier
               `((1.0 . ,height)
-               (1.0 . ,(+ 0.5 height))
-               (1.5 . ,(+ 1.0 height))
-               (2.0 . ,(+ 1.0 height)))
+                (1.0 . ,(+ 0.5 height))
+                (1.5 . ,(+ 1.0 height))
+                (2.0 . ,(+ 1.0 height)))
               cut)))))
-    (slope-offset1
-      (get-slope-offset
-        `(,(list-ref first-bezier 4) . ,(list-ref first-bezier 5))
-        `(,(list-ref first-bezier 6) . ,(list-ref first-bezier 7))))
-    (slope-offset2
-      (get-slope-offset
-        `(,(list-ref second-bezier 0) . ,(list-ref second-bezier 1))
-        `(,(list-ref second-bezier 2) . ,(list-ref second-bezier 3)))))
-   (list first-bezier second-bezier slope-offset1 slope-offset2)))
+         (slope-offset1
+          (get-slope-offset
+           `(,(list-ref first-bezier 4) . ,(list-ref first-bezier 5))
+           `(,(list-ref first-bezier 6) . ,(list-ref first-bezier 7))))
+         (slope-offset2
+          (get-slope-offset
+           `(,(list-ref second-bezier 0) . ,(list-ref second-bezier 1))
+           `(,(list-ref second-bezier 2) . ,(list-ref second-bezier 3)))))
+    (list first-bezier second-bezier slope-offset1 slope-offset2)))
 
 (define
   (make-tilted-portion
-    first-bezier
-    second-bezier
-    slope-offset1
-    slope-offset2
-    keylen
-    bezier?)
+   first-bezier
+   second-bezier
+   slope-offset1
+   slope-offset2
+   keylen
+   bezier?)
   (append
-    `((,(+ keylen (list-ref first-bezier 6))
-     ,(+
+   `((,(+ keylen (list-ref first-bezier 6))
+      ,(+
         (*
+         (car slope-offset1)
+         (+ keylen (list-ref first-bezier 6))) (cdr slope-offset1))))
+   ((if bezier? (lambda (x) `(,(apply append x))) identity)
+    `((,(+ (+ keylen 1.75) (list-ref first-bezier 6))
+       ,(+
+         (*
           (car slope-offset1)
-          (+ keylen (list-ref first-bezier 6))) (cdr slope-offset1))))
-    ((if bezier? (lambda (x) `(,(apply append x))) identity)
-     `((,(+ (+ keylen 1.75) (list-ref first-bezier 6))
+          (+ (+ keylen 1.75) (list-ref first-bezier 6)))
+         (cdr slope-offset1)))
+      (,(+ (+ keylen 1.75) (list-ref second-bezier 0))
        ,(+
-          (*
-            (car slope-offset1)
-            (+ (+ keylen 1.75) (list-ref first-bezier 6)))
-          (cdr slope-offset1)))
-       (,(+ (+ keylen 1.75) (list-ref second-bezier 0))
+         (*
+          (car slope-offset2)
+          (+ (+ keylen 1.75) (list-ref second-bezier 0)))
+         (cdr slope-offset2)))
+      (,(+ keylen (list-ref second-bezier 0))
        ,(+
-          (*
-            (car slope-offset2)
-            (+ (+ keylen 1.75) (list-ref second-bezier 0)))
-          (cdr slope-offset2)))
-       (,(+ keylen (list-ref second-bezier 0))
-        ,(+
-          (* (car slope-offset2)  (+ keylen (list-ref second-bezier 0)))
-          (cdr slope-offset2)))))
-    `(,(list-head second-bezier 2))))
+         (* (car slope-offset2)  (+ keylen (list-ref second-bezier 0)))
+         (cdr slope-offset2)))))
+   `(,(list-head second-bezier 2))))
 
 (define (rich-bassoon-uber-key-stencil height gap cut keylen d1 d2 proc bezier?)
   (let* ((info-list (bassoon-bend-info-maker height gap cut))
-   (first-bezier (car info-list))
-   (second-bezier (cadr info-list))
-   (slope-offset1 (caddr info-list))
-   (slope-offset2 (cadddr info-list)))
-  (rich-path-stencil
-    (append
+         (first-bezier (car info-list))
+         (second-bezier (cadr info-list))
+         (slope-offset1 (caddr info-list))
+         (slope-offset2 (cadddr info-list)))
+    (rich-path-stencil
+     (append
       `((0.0 ,(+ height gap))
-      ,(list-tail first-bezier 2))
+        ,(list-tail first-bezier 2))
       (make-tilted-portion
-        first-bezier
-        second-bezier
-        slope-offset1
-        slope-offset2
-        keylen
-        bezier?)
+       first-bezier
+       second-bezier
+       slope-offset1
+       slope-offset2
+       keylen
+       bezier?)
       `(,(list-tail second-bezier 2)
-      (1.0 0.0)
-      (0.0 0.0)))
-    d1
-    d2
-    proc)))
+        (1.0 0.0)
+        (0.0 0.0)))
+     d1
+     d2
+     proc)))
 
 (define (bassoon-uber-key-stencil height gap cut keylen d1 d2)
   (rich-bassoon-uber-key-stencil height gap cut keylen d1 d2 identity #t))
@@ -1097,15 +1097,15 @@ returns @samp{1/3}."
 
 (define bassoon-lh-ees-key-stencil
   (rich-e-stencil
-    1.2
-    0.6
+   1.2
+   0.6
    (lambda (stencil) (ly:stencil-rotate stencil 30 0 0))))
 
 (define bassoon-lh-cis-key-stencil
   (rich-e-stencil
-    1.0
-    0.5
-    (lambda (stencil) (ly:stencil-rotate stencil 30 0 0))))
+   1.0
+   0.5
+   (lambda (stencil) (ly:stencil-rotate stencil 30 0 0))))
 
 (define bassoon-lh-lbes-key-stencil
   (bassoon-uber-key-stencil 1.0 0.5 0.7 0.5 0.6 -0.6))
@@ -1118,40 +1118,40 @@ returns @samp{1/3}."
 
 (define bassoon-lh-ld-key-stencil
   (standard-path-stencil
-    '((-0.8 4.0 1.4 4.0 0.6 0.0)
-      (0.5 -0.5 0.5 -0.8 0.6 -1.0)
-      (0.7 -1.2 0.8 -1.3 0.8 -1.8)
-      (0.5 -1.8)
-      (0.5 -1.4 0.4 -1.2 0.3 -1.1)
-      (0.2 -1.0 0.1 -0.5 0.0 0.0))
-    1.0
-    1.0))
+   '((-0.8 4.0 1.4 4.0 0.6 0.0)
+     (0.5 -0.5 0.5 -0.8 0.6 -1.0)
+     (0.7 -1.2 0.8 -1.3 0.8 -1.8)
+     (0.5 -1.8)
+     (0.5 -1.4 0.4 -1.2 0.3 -1.1)
+     (0.2 -1.0 0.1 -0.5 0.0 0.0))
+   1.0
+   1.0))
 
 (define bassoon-lh-d-flick-key-stencil
   (let ((height 3.0))
     (standard-path-stencil
-      `((0.0 ,height)
+     `((0.0 ,height)
        (0.2 ,(+ height 1.6) 0.8 ,(+ height 1.8) 1.0 ,(+ height 1.8))
        (1.4 ,(+ height 1.8) 1.9 ,(+ height 1.3) 1.9 ,(+ height 1.0))
        (1.9 ,(+ height 0.7) 1.0 ,(+ height 0.4) 0.8 ,(+ height 0.3))
        (0.6 ,(+ height 0.2) 0.4 ,(+ height 0.1) 0.4 ,(- height 0.1))
        (0.4 0.0)
        (0.0 0.0))
-      -1.0
-      -1.0)))
+     -1.0
+     -1.0)))
 
 (define bassoon-lh-c-flick-key-stencil
   (let ((height 3.0))
     (standard-path-stencil
-      `((0.0 ,height)
-         (0.0 ,(+ height 1.6) 0.4 ,(+ height 1.8) 0.5 ,(+ height 1.8))
-         (0.7 ,(+ height 1.8) 0.9 ,(+ height 1.3) 0.9 ,(+ height 1.0))
-         (0.9 ,(+ height 0.5) 0.7 ,(+ height 0.4) 0.6 ,(+ height 0.3))
-         (0.5 ,(+ height 0.2) 0.4 ,(+ height 0.1) 0.4 ,(- height 0.1))
-         (0.4 0.0)
-         (0.0 0.0))
-      -1.0
-      -1.0)))
+     `((0.0 ,height)
+       (0.0 ,(+ height 1.6) 0.4 ,(+ height 1.8) 0.5 ,(+ height 1.8))
+       (0.7 ,(+ height 1.8) 0.9 ,(+ height 1.3) 0.9 ,(+ height 1.0))
+       (0.9 ,(+ height 0.5) 0.7 ,(+ height 0.4) 0.6 ,(+ height 0.3))
+       (0.5 ,(+ height 0.2) 0.4 ,(+ height 0.1) 0.4 ,(- height 0.1))
+       (0.4 0.0)
+       (0.0 0.0))
+     -1.0
+     -1.0)))
 
 (define bassoon-lh-a-flick-key-stencil
   (bassoon-uber-key-stencil 5.0 1.0 0.3 0.6 -0.5 -0.5))
@@ -1163,14 +1163,14 @@ returns @samp{1/3}."
 
 (define bassoon-rh-cis-key-stencil
   (rich-bassoon-uber-key-stencil
-    1.1
-    1.5
-    0.9
-    0.3
-    0.5
-    0.5
-    (lambda (stencil) (ly:stencil-rotate stencil -76 0 0))
-    #t))
+   1.1
+   1.5
+   0.9
+   0.3
+   0.5
+   0.5
+   (lambda (stencil) (ly:stencil-rotate stencil -76 0 0))
+   #t))
 
 (define bassoon-rh-bes-key-stencil little-elliptical-key-stencil)
 
@@ -1179,29 +1179,29 @@ returns @samp{1/3}."
 
 (define bassoon-rh-f-key-stencil
   (let* ((height 0.5) (gap 1.0) (cut 0.8) (keylen 1.5)
-    (info-list (bassoon-bend-info-maker height gap cut))
-    (first-bezier (car info-list))
-    (second-bezier (cadr info-list))
-    (slope-offset1 (caddr info-list))
-    (slope-offset2 (cadddr info-list)))
-  (standard-path-stencil
-    (append
+         (info-list (bassoon-bend-info-maker height gap cut))
+         (first-bezier (car info-list))
+         (second-bezier (cadr info-list))
+         (slope-offset1 (caddr info-list))
+         (slope-offset2 (cadddr info-list)))
+    (standard-path-stencil
+     (append
       (map
-        (lambda (l)
-          (rotunda-map
-            -
-            l
-            (list-tail first-bezier 6)))
-        (make-tilted-portion
-          first-bezier
-          second-bezier
-          slope-offset1
-          slope-offset2
-          keylen
-          #t))
+       (lambda (l)
+         (rotunda-map
+          -
+          l
+          (list-tail first-bezier 6)))
+       (make-tilted-portion
+        first-bezier
+        second-bezier
+        slope-offset1
+        slope-offset2
+        keylen
+        #t))
       '((0.0 0.0)))
-    -0.7
-    0.7)))
+     -0.7
+     0.7)))
 
 (define bassoon-rh-gis-key-stencil
   (bassoon-uber-key-stencil 0.3 1.0 0.8 1.0 -0.7 0.7))
diff --git a/scm/display-lily.scm b/scm/display-lily.scm
index 788f89e359..7c1ec41925 100644
--- a/scm/display-lily.scm
+++ b/scm/display-lily.scm
@@ -40,18 +40,18 @@
   "Define a display method for a music type and store it in the
 `display-methods' property of the music type entry found in the
 `music-name-to-property-table' hash table.  Print methods previously
-defined for that music type are lost. 
+defined for that music type are lost.
 Syntax: (define-display-method MusicType (expression parser)
-	  ...body...))"
+          ...body...))"
   `(let ((type-props (hashq-ref music-name-to-property-table
-				',music-type '()))
-	 (method (lambda ,vars
-		   ,@body)))
+                                ',music-type '()))
+         (method (lambda ,vars
+                   ,@body)))
      (set! type-props
-	   (assoc-set! type-props 'display-methods (list method)))
+           (assoc-set! type-props 'display-methods (list method)))
      (hashq-set! music-name-to-property-table
-		 ',music-type
-		 type-props)
+                 ',music-type
+                 type-props)
      method))
 
 (define-macro (define-extra-display-method music-type vars . body)
@@ -60,24 +60,24 @@ is supposed to have been previously defined with `define-display-method'.
 This new method should return a string or #f.  If #f is returned, the next
 display method will be called."
   `(let* ((type-props (hashq-ref music-name-to-property-table
-				 ',music-type '()))
-	  (methods (assoc-ref type-props 'display-methods))
-	  (new-method (lambda ,vars
-			,@body)))
+                                 ',music-type '()))
+          (methods (assoc-ref type-props 'display-methods))
+          (new-method (lambda ,vars
+                        ,@body)))
      (set! type-props
-	   (assoc-set! type-props
-		       'display-methods
-		       (cons new-method methods)))
+           (assoc-set! type-props
+                       'display-methods
+                       (cons new-method methods)))
      (hashq-set! music-name-to-property-table
-		 ',music-type
-		 type-props)
+                 ',music-type
+                 type-props)
      new-method))
 
 (define* (tag->lily-string expr #:optional (post-event? #f))
   (format #f "~{~a ~}"
-	  (map (lambda (tag)
-		 (format #f "~a\\tag #'~a" (if post-event? "-" "") tag))
-	       (ly:music-property expr 'tags))))
+          (map (lambda (tag)
+                 (format #f "~a\\tag #'~a" (if post-event? "-" "") tag))
+               (ly:music-property expr 'tags))))
 
 (define* (tweaks->lily-string expr #:optional (post-event? #f))
   (format #f "~{~a ~}"
@@ -103,25 +103,25 @@ display method will be called."
   "Print @var{expr}, a music expression, in LilyPond syntax."
   (if (ly:music? expr)
       (let* ((music-type (ly:music-property expr 'name))
-	     (procs (assoc-ref (hashq-ref music-name-to-property-table
-					  music-type '())
-			       'display-methods))
-	     (result-string (and procs (any (lambda (proc)
-					      (proc expr parser))
-					    procs))))
-	(if result-string
-	    (format #f "~a~a~a"
+             (procs (assoc-ref (hashq-ref music-name-to-property-table
+                                          music-type '())
+                               'display-methods))
+             (result-string (and procs (any (lambda (proc)
+                                              (proc expr parser))
+                                            procs))))
+        (if result-string
+            (format #f "~a~a~a"
                     (tag->lily-string expr (post-event? expr))
                     (tweaks->lily-string expr (post-event? expr))
-		    result-string)
-	    (format #f "%{ Print method not implemented for music type ~a %}"
-		    music-type)))
+                    result-string)
+            (format #f "%{ Print method not implemented for music type ~a %}"
+                    music-type)))
       (format #f "%{ expecting a music expression: ~a %}" expr)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;;
 ;;; Music pattern matching
-;;; 
+;;;
 
 (define (var? x)
   (and (symbol? x) (char=? #\? (string-ref (symbol->string x) 0))))
@@ -136,16 +136,16 @@ display method will be called."
 (define (music-or-var-list? x)
   (and (pair? x)
        (every (lambda (e)
-		(or (music? e) (var? e)))
-	      x)))
+                (or (music? e) (var? e)))
+              x)))
 
 (define (key-val-list->alist lst)
   (define (key-val-list->alist-aux lst prev-result)
     (if (null? lst)
-	prev-result
-	(key-val-list->alist-aux (cddr lst)
-				 (cons (cons (first lst) (second lst))
-				       prev-result))))
+        prev-result
+        (key-val-list->alist-aux (cddr lst)
+                                 (cons (cons (first lst) (second lst))
+                                       prev-result))))
   (reverse! (key-val-list->alist-aux lst (list))))
 
 (define (gen-condition expr pattern)
@@ -153,100 +153,100 @@ display method will be called."
 Generate an form that checks if the properties of `expr'
 match thoses described in `pattern'."
   (let* (;; all (property . value) found at the first depth in pattern,
-	 ;; including a (name . <Musictype>) pair.
-	 (pat-all-props (cons (cons 'name (second pattern))
-			      (key-val-list->alist (cddr pattern))))
-	 ;; all (property . value) pairs found in pattern, where value is not
-	 ;; a ?var, a music expression or a music list.
-	 (prop-vals (remove (lambda (kons)
-			     (or (var? (cdr kons))
-				 (music? (cdr kons))
-				 (music-or-var-list? (cdr kons))))
-			    pat-all-props))
-	 ;; list of (property . element) pairs, where element is a music expression
-	 (element-list (filter (lambda (kons) (music? (cdr kons)))
-			       pat-all-props))
-	 ;; list of (property . (e1 e2 ..)) pairs, where (e1 e2 ...) is a 
-	 ;; list a music expressions
-	 (elements-list (filter (lambda (kons) (music-or-var-list? (cdr kons)))
-				pat-all-props)))
-    `(and 
+         ;; including a (name . <Musictype>) pair.
+         (pat-all-props (cons (cons 'name (second pattern))
+                              (key-val-list->alist (cddr pattern))))
+         ;; all (property . value) pairs found in pattern, where value is not
+         ;; a ?var, a music expression or a music list.
+         (prop-vals (remove (lambda (kons)
+                              (or (var? (cdr kons))
+                                  (music? (cdr kons))
+                                  (music-or-var-list? (cdr kons))))
+                            pat-all-props))
+         ;; list of (property . element) pairs, where element is a music expression
+         (element-list (filter (lambda (kons) (music? (cdr kons)))
+                               pat-all-props))
+         ;; list of (property . (e1 e2 ..)) pairs, where (e1 e2 ...) is a
+         ;; list a music expressions
+         (elements-list (filter (lambda (kons) (music-or-var-list? (cdr kons)))
+                                pat-all-props)))
+    `(and
       ;; a form that checks that `expr' is a music expression
       ;; before actually accessing its properties...
       (ly:music? ,expr)
       ;; a form that checks that `expr' properties have the same
       ;; values as those given in `pattern'
       ,@(map (lambda (prop-val)
-	       (let ((prop (car prop-val))
-		     (val (cdr prop-val)))
-		 `(and (not (null? (ly:music-property ,expr ',prop)))
-		       (equal? (ly:music-property ,expr ',prop) ,val))))
-	     prop-vals)
+               (let ((prop (car prop-val))
+                     (val (cdr prop-val)))
+                 `(and (not (null? (ly:music-property ,expr ',prop)))
+                       (equal? (ly:music-property ,expr ',prop) ,val))))
+             prop-vals)
       ;; build the test condition for each element found in a (property . element) pair.
       ;; (typically, property will be 'element)
       ,@(map (lambda (prop-element)
-	       (gen-condition `(ly:music-property ,expr ',(car prop-element)) (cdr prop-element)))
-	     element-list)
+               (gen-condition `(ly:music-property ,expr ',(car prop-element)) (cdr prop-element)))
+             element-list)
       ;; build the test conditions for each element found in a (property . (e1 e2 ...)) pair.
       ;; this requires accessing to an element of a list, hence the index.
       ;; (typically, property will be 'elements)
       ,@(map (lambda (prop-elements)
-	       (let ((ges (gensym))
-		     (index -1))
-		 `(and ,@(map (lambda (e)
-				(set! index (1+ index))
-				(if (music? e)
-				    (gen-condition `(and (> (length (ly:music-property ,expr ',(car prop-elements)))
-							    ,index)
-							 (list-ref (ly:music-property ,expr ',(car prop-elements)) 
-								   ,index))
-						   e)
-				    #t))
-			      (cdr prop-elements)))))
-	     elements-list))))
+               (let ((ges (gensym))
+                     (index -1))
+                 `(and ,@(map (lambda (e)
+                                (set! index (1+ index))
+                                (if (music? e)
+                                    (gen-condition `(and (> (length (ly:music-property ,expr ',(car prop-elements)))
+                                                            ,index)
+                                                         (list-ref (ly:music-property ,expr ',(car prop-elements))
+                                                                   ,index))
+                                                   e)
+                                    #t))
+                              (cdr prop-elements)))))
+             elements-list))))
 
 (define (gen-bindings expr pattern)
   "Helper function for `with-music-match'.
 Generate binding forms by looking for ?var symbol in pattern."
   (let* (;; all (property . value) found at the first depth of pattern,
-	 ;; including a (name . <Musictype>) pair.
-	 (pat-all-props (cons (cons 'name (second pattern))
-			      (key-val-list->alist (cddr pattern))))
-	 ;; all (property . ?var) pairs
-	 (prop-vars (filter (lambda (kons) (var? (cdr kons)))
-			    pat-all-props))
-	 ;; list of (property . element) pairs, where element is a music expression
-	 (element-list (filter (lambda (kons) (music? (cdr kons)))
-			       pat-all-props))
-	 ;; list of (property . (e1 e2 ..)) pairs, where (e1 e2 ...) is a 
-	 ;; list a music expressions
-	 (elements-list (filter (lambda (kons) (music-or-var-list? (cdr kons)))
-				pat-all-props)))
-    (append 
+         ;; including a (name . <Musictype>) pair.
+         (pat-all-props (cons (cons 'name (second pattern))
+                              (key-val-list->alist (cddr pattern))))
+         ;; all (property . ?var) pairs
+         (prop-vars (filter (lambda (kons) (var? (cdr kons)))
+                            pat-all-props))
+         ;; list of (property . element) pairs, where element is a music expression
+         (element-list (filter (lambda (kons) (music? (cdr kons)))
+                               pat-all-props))
+         ;; list of (property . (e1 e2 ..)) pairs, where (e1 e2 ...) is a
+         ;; list a music expressions
+         (elements-list (filter (lambda (kons) (music-or-var-list? (cdr kons)))
+                                pat-all-props)))
+    (append
      ;; the binding form for the ?var variable found in pattern (first depth).
      ;; ?var is bound to the value of `expr' property
      (map (lambda (prop-var)
-	    `(,(cdr prop-var) (ly:music-property ,expr ',(car prop-var))))
-	  prop-vars)
+            `(,(cdr prop-var) (ly:music-property ,expr ',(car prop-var))))
+          prop-vars)
      ;; generate bindings for each element found in a (property . element) pair.
      ;; (typically, property will be 'element)
      (append-map (lambda (prop-element)
-		   (gen-bindings `(ly:music-property ,expr ',(car prop-element))
-				 (cdr prop-element)))
-		 element-list)
+                   (gen-bindings `(ly:music-property ,expr ',(car prop-element))
+                                 (cdr prop-element)))
+                 element-list)
      ;; generate bindings for each element found in a (property . (e1 e2 ...)) pair
      ;; (typically, property will be 'elements)
-	    (append-map (lambda (prop-elements)
-			  (let ((index -1))
-			    (append-map (lambda (e)
-					  (set! index (1+ index))
-					  (if (var? e)
-					      `((,e (list-ref (ly:music-property ,expr ',(car prop-elements)) ,index)))
-					      (gen-bindings `(list-ref (ly:music-property ,expr ',(car prop-elements))
-								       ,index)
-							    e)))
-					(cdr prop-elements))))
-			elements-list))))
+     (append-map (lambda (prop-elements)
+                   (let ((index -1))
+                     (append-map (lambda (e)
+                                   (set! index (1+ index))
+                                   (if (var? e)
+                                       `((,e (list-ref (ly:music-property ,expr ',(car prop-elements)) ,index)))
+                                       (gen-bindings `(list-ref (ly:music-property ,expr ',(car prop-elements))
+                                                                ,index)
+                                                     e)))
+                                 (cdr prop-elements))))
+                 elements-list))))
 
 (define-macro (with-music-match music-expr+pattern . body)
   "If `music-expr' matches `pattern', call `body'.  `pattern' should look like:
@@ -255,24 +255,24 @@ Generate binding forms by looking for ?var symbol in pattern."
      property ?var1
      element (music <MusicType> ...)
      elements ((music <MusicType> ...)
-	       ?var2
-	       (music <MusicType> ...)))
+               ?var2
+               (music <MusicType> ...)))
 The properties of `music-expr' are checked against the values given in the
 pattern (the name property being the <MusicType> symbol after the `music'
 keyword), then all music expression found in its properties (such as 'element
 or 'elements).
 When ?var is found instead of a property value, ?var is bound that property value,
-as read inside `music-expr'.  ?var may also be used to refere to a whole music 
-expression inside an elements list for instance.  These bindings are accessible 
+as read inside `music-expr'.  ?var may also be used to refere to a whole music
+expression inside an elements list for instance.  These bindings are accessible
 inside body."
   (let ((music-expr (first music-expr+pattern))
-	(pattern (second music-expr+pattern))
-	(expr-sym (gensym)))
+        (pattern (second music-expr+pattern))
+        (expr-sym (gensym)))
     `(let ((,expr-sym ,music-expr))
        (if ,(gen-condition expr-sym pattern)
-	   (let ,(gen-bindings expr-sym pattern)
-	     ,@body)
-	   #f))))
+           (let ,(gen-bindings expr-sym pattern)
+             ,@body)
+           #f))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;;
@@ -310,11 +310,11 @@ inside body."
   (define make-music-type-predicate-aux
     (lambda (mtypes)
       (lambda (expr)
-	(if (null? mtypes)
-	    #f
-	    (or (eqv? (car mtypes) (ly:music-property expr 'name))
-		((make-music-type-predicate-aux (cdr mtypes)) expr))))))
-      (make-music-type-predicate-aux music-types))
+        (if (null? mtypes)
+            #f
+            (or (eqv? (car mtypes) (ly:music-property expr 'name))
+                ((make-music-type-predicate-aux (cdr mtypes)) expr))))))
+  (make-music-type-predicate-aux music-types))
 
 (ly:load "define-music-display-methods.scm")
 
diff --git a/scm/display-woodwind-diagrams.scm b/scm/display-woodwind-diagrams.scm
index 463e081009..c5eeaefbb3 100644
--- a/scm/display-woodwind-diagrams.scm
+++ b/scm/display-woodwind-diagrams.scm
@@ -64,10 +64,10 @@
   (lambda (ls)
     (map (lambda (list-to-translate)
            `(,(list-ref list-to-translate 0)
-            . ,(map (lambda (name element)
-                      `(,name . ,element))
-                    parameter-list
-                    (list-tail list-to-translate 1))))
+             . ,(map (lambda (name element)
+                       `(,name . ,element))
+                     parameter-list
+                     (list-tail list-to-translate 1))))
          ls)))
 
 (define (get-named-spreadsheet-column column spreadsheet)
@@ -77,8 +77,8 @@
    @code{guile> (get-spreadsheet-column 'bar ((make-named-spreadsheet '(foo bar)) '((x . (1 2)) (y . (3 4)) (z . (5 6)))))}
    @code{((x . 2) (y . 4) (z . 6))}"
   (map
-    (lambda (row) (cons (car row) (assoc-get column (cdr row))))
-    spreadsheet))
+   (lambda (row) (cons (car row) (assoc-get column (cdr row))))
+   spreadsheet))
 
 (define make-key-alist
   (make-named-spreadsheet '(name offset graphical textual)))
@@ -94,8 +94,8 @@
 (define (make-central-column-hole-addresses keys)
   "Takes @code{keys} and ascribes them to the central column."
   (map
-    (lambda (key) `(central-column . ,key))
-    keys))
+   (lambda (key) `(central-column . ,key))
+   keys))
 
 (define (make-key-symbols hand)
   "Takes @code{hand} and ascribes @code{key} to it."
@@ -111,63 +111,63 @@
 
 (define flute-change-points
   ((make-named-spreadsheet '(piccolo flute flute-b-extension))
-    `((bottom-group-key-names
-       . (((x
-            . ((offset . (-0.45 . -1.05))
-               (stencil . ,piccolo-rh-x-key-stencil)
-               (text? . ("X" . #f))
-               (complexity . trill))))
-        ((cis
-          . ((offset . (0.0 . 0.0))
-            (stencil . ,flute-rh-cis-key-stencil)
-            (text? . ("C" . 1))
-            (complexity . trill)))
-         (c
-          . ((offset . (0.3 . 0.0))
-             (stencil . ,flute-rh-c-key-stencil)
-             (text? . ("C" . #f))
-             (complexity . trill)))
-         (gz
-          . ((offset . (0.0 . -1.2))
-             (stencil . ,flute-rh-gz-key-stencil)
-             (text? . ("gz" . #f))
-             (complexity . trill))))
-        ((cis
-          . ((offset . (0.0 . 0.0))
-            (stencil . ,flute-rh-cis-key-stencil)
-            (text? . ("C" . 1))
-            (complexity . trill)))
-         (c
-          . ((offset . (0.3 . 0.0))
-             (stencil . ,flute-rh-c-key-stencil)
-             (text? . ("C" . #f))
-             (complexity . trill)))
-         (b
-          . ((offset . (1.0 . 0.0))
-             (stencil . ,flute-rh-b-key-stencil)
-             (text? . ("B" . #f))
-             (complexity . trill)))
-         (gz
-          . ((offset . (0.0 . -1.2))
-             (stencil . ,flute-rh-gz-key-stencil)
-             (text? . ("gz" . #f))
-             (complexity . trill))))))
-      (bottom-group-graphical-stencil
-       . (((right-hand . ees) (right-hand . x))
-          ,(make-right-hand-key-addresses '(ees cis c gz))
-          ,(make-right-hand-key-addresses '(ees cis c b gz))))
+   `((bottom-group-key-names
+      . (((x
+           . ((offset . (-0.45 . -1.05))
+              (stencil . ,piccolo-rh-x-key-stencil)
+              (text? . ("X" . #f))
+              (complexity . trill))))
+         ((cis
+           . ((offset . (0.0 . 0.0))
+              (stencil . ,flute-rh-cis-key-stencil)
+              (text? . ("C" . 1))
+              (complexity . trill)))
+          (c
+           . ((offset . (0.3 . 0.0))
+              (stencil . ,flute-rh-c-key-stencil)
+              (text? . ("C" . #f))
+              (complexity . trill)))
+          (gz
+           . ((offset . (0.0 . -1.2))
+              (stencil . ,flute-rh-gz-key-stencil)
+              (text? . ("gz" . #f))
+              (complexity . trill))))
+         ((cis
+           . ((offset . (0.0 . 0.0))
+              (stencil . ,flute-rh-cis-key-stencil)
+              (text? . ("C" . 1))
+              (complexity . trill)))
+          (c
+           . ((offset . (0.3 . 0.0))
+              (stencil . ,flute-rh-c-key-stencil)
+              (text? . ("C" . #f))
+              (complexity . trill)))
+          (b
+           . ((offset . (1.0 . 0.0))
+              (stencil . ,flute-rh-b-key-stencil)
+              (text? . ("B" . #f))
+              (complexity . trill)))
+          (gz
+           . ((offset . (0.0 . -1.2))
+              (stencil . ,flute-rh-gz-key-stencil)
+              (text? . ("gz" . #f))
+              (complexity . trill))))))
+     (bottom-group-graphical-stencil
+      . (((right-hand . ees) (right-hand . x))
+         ,(make-right-hand-key-addresses '(ees cis c gz))
+         ,(make-right-hand-key-addresses '(ees cis c b gz))))
      (bottom-group-graphical-draw-instruction
-       . (((right-hand . ees))
-          ,(make-right-hand-key-addresses '(ees cis c))
-          ,(make-right-hand-key-addresses '(ees cis c b))))
+      . (((right-hand . ees))
+         ,(make-right-hand-key-addresses '(ees cis c))
+         ,(make-right-hand-key-addresses '(ees cis c b))))
      (bottom-group-special-key-instruction
       . ((,rich-group-draw-rule ((right-hand . x)) ((right-hand . ees)))
          (,rich-group-draw-rule ((right-hand . gz))
                                 ,(make-right-hand-key-addresses
-                                    '(ees cis c)))
+                                  '(ees cis c)))
          (,rich-group-draw-rule ((right-hand . gz))
                                 ,(make-right-hand-key-addresses
-                                    '(ees cis c b)))))
+                                  '(ees cis c b)))))
      (bottom-group-text-stencil
       . (,(make-right-hand-key-addresses '(bes d dis ees x))
          ,(make-right-hand-key-addresses '(bes d dis ees cis c gz))
@@ -177,153 +177,153 @@
   (let*
       ((change-points
         (get-named-spreadsheet-column
-          flute-name
-          flute-change-points)))
-  `(,flute-name
-    . ((keys
-        . ((hidden
-            . ((midline
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,midline-stencil)
-                   (text? . #f)
-                   (complexity . basic)))))
-           (central-column
-            . ((one
-                . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (two
-                . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (three
-                . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (four
-                . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (five
-                . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (six
-                . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))))
-           (left-hand
-            . ((bes
-                . ((offset . (0.5 . 1.8))
-                   (stencil . ,flute-lh-bes-key-stencil)
-                   (text? . ("B" . 0))
-                   (complexity . trill)))
-               (b
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,flute-lh-b-key-stencil)
-                   (text? . ("B" . #f))
-                   (complexity . trill)))
-               (gis
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,flute-lh-gis-key-stencil)
-                   (text? . ("G" . 1))
-                   (complexity . trill)))))
-           (right-hand
-            . ,(append `((bes
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,flute-rh-bes-key-stencil)
-                             (text? . ("B" . 0))
-                             (complexity . trill)))
-                         (d
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,flute-rh-d-key-stencil)
-                             (text? . ("D" . #f))
-                             (complexity . trill)))
-                         (dis
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,flute-rh-dis-key-stencil)
-                             (text? . ("D" . 1))
-                             (complexity . trill)))
-                         (ees
-                          . ((offset . (1.5 . 1.3))
-                             (stencil . ,flute-rh-ees-key-stencil)
-                             (text? . ("E" . 0))
-                             (complexity . trill))))
-                       (assoc-get 'bottom-group-key-names change-points)))))
-       (graphical-commands
-        . ((stencil-alist
-            . ((stencils
-                . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
-                   ((stencils
-                     . ,(make-central-column-hole-addresses
+         flute-name
+         flute-change-points)))
+    `(,flute-name
+      . ((keys
+          . ((hidden
+              . ((midline
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,midline-stencil)
+                     (text? . #f)
+                     (complexity . basic)))))
+             (central-column
+              . ((one
+                  . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (two
+                  . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (three
+                  . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (four
+                  . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (five
+                  . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (six
+                  . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))))
+             (left-hand
+              . ((bes
+                  . ((offset . (0.5 . 1.8))
+                     (stencil . ,flute-lh-bes-key-stencil)
+                     (text? . ("B" . 0))
+                     (complexity . trill)))
+                 (b
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,flute-lh-b-key-stencil)
+                     (text? . ("B" . #f))
+                     (complexity . trill)))
+                 (gis
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,flute-lh-gis-key-stencil)
+                     (text? . ("G" . 1))
+                     (complexity . trill)))))
+             (right-hand
+              . ,(append `((bes
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,flute-rh-bes-key-stencil)
+                               (text? . ("B" . 0))
+                               (complexity . trill)))
+                           (d
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,flute-rh-d-key-stencil)
+                               (text? . ("D" . #f))
+                               (complexity . trill)))
+                           (dis
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,flute-rh-dis-key-stencil)
+                               (text? . ("D" . 1))
+                               (complexity . trill)))
+                           (ees
+                            . ((offset . (1.5 . 1.3))
+                               (stencil . ,flute-rh-ees-key-stencil)
+                               (text? . ("E" . 0))
+                               (complexity . trill))))
+                         (assoc-get 'bottom-group-key-names change-points)))))
+         (graphical-commands
+          . ((stencil-alist
+              . ((stencils
+                  . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
+                     ((stencils
+                       . ,(make-central-column-hole-addresses
                            CENTRAL-COLUMN-HOLE-LIST))
-                    (xy-scale-function . (,identity . ,identity))
-                    (textual? . #f)
-                    (offset . (0.0 . 0.0)))
-                   ((stencils . ((left-hand . bes) (left-hand . b)))
-                    (xy-scale-function . (,return-1 . ,return-1))
-                    (textual? . #f)
-                    (offset . (-1.5 . 6.5)))
-                   ,(simple-stencil-alist '(left-hand . gis) '(1.0 . 4.0))
-                   ,(simple-stencil-alist '(right-hand . bes)  '(-1.75 . 3.05))
-                   ,(simple-stencil-alist '(right-hand . d)  '(-1.0 . 2.5))
-                   ,(simple-stencil-alist '(right-hand . dis)  '(-1.0 . 1.5))
-                   ((stencils
-                     . ,(assoc-get 'bottom-group-graphical-stencil
-                                   change-points))
-                    (xy-scale-function . (,return-1 . ,return-1))
-                    (textual? . #f)
-                    (offset . (0.0 . -0.6)))))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0))))
-           (draw-instructions
-            . ((,apply-group-draw-rule-series
-                (((left-hand . bes) (left-hand . b))
-                 ,(assoc-get 'bottom-group-graphical-draw-instruction
-                             change-points)))
-               ,(assoc-get 'bottom-group-special-key-instruction
-                           change-points)
-               (,group-automate-rule
-                ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
-               (,group-automate-rule ((hidden . midline)))))
-           (extra-offset-instructions
-            . ((,uniform-extra-offset-rule (0.0 . 0.0))))))
-       (text-commands
-        . ((stencil-alist
-            . ((stencils
-                . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
-                   ((stencils
-                     . ,(make-central-column-hole-addresses
+                      (xy-scale-function . (,identity . ,identity))
+                      (textual? . #f)
+                      (offset . (0.0 . 0.0)))
+                     ((stencils . ((left-hand . bes) (left-hand . b)))
+                      (xy-scale-function . (,return-1 . ,return-1))
+                      (textual? . #f)
+                      (offset . (-1.5 . 6.5)))
+                     ,(simple-stencil-alist '(left-hand . gis) '(1.0 . 4.0))
+                     ,(simple-stencil-alist '(right-hand . bes)  '(-1.75 . 3.05))
+                     ,(simple-stencil-alist '(right-hand . d)  '(-1.0 . 2.5))
+                     ,(simple-stencil-alist '(right-hand . dis)  '(-1.0 . 1.5))
+                     ((stencils
+                       . ,(assoc-get 'bottom-group-graphical-stencil
+                                     change-points))
+                      (xy-scale-function . (,return-1 . ,return-1))
+                      (textual? . #f)
+                      (offset . (0.0 . -0.6)))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,apply-group-draw-rule-series
+                  (((left-hand . bes) (left-hand . b))
+                   ,(assoc-get 'bottom-group-graphical-draw-instruction
+                               change-points)))
+                 ,(assoc-get 'bottom-group-special-key-instruction
+                             change-points)
+                 (,group-automate-rule
+                  ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,uniform-extra-offset-rule (0.0 . 0.0))))))
+         (text-commands
+          . ((stencil-alist
+              . ((stencils
+                  . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
+                     ((stencils
+                       . ,(make-central-column-hole-addresses
                            CENTRAL-COLUMN-HOLE-LIST))
-                    (xy-scale-function . (,identity . ,identity))
-                    (textual? . #f)
-                    (offset . (0.0 . 0.0)))
-                   ((stencils . ,(make-left-hand-key-addresses '(bes b gis)))
-                    (textual? . ,lh-woodwind-text-stencil)
-                    (offset . (1.5 . 3.75)))
-                   ((stencils . ,(assoc-get 'bottom-group-text-stencil
-                                            change-points))
-                    (textual? . ,rh-woodwind-text-stencil)
-                    (offset . (-1.25 . 0.0)))))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0))))
-           (draw-instructions
-            . ((,apply-group-draw-rule-series
-                 (,(make-left-hand-key-addresses '(bes b gis))
-                  ,(assoc-get 'bottom-group-text-stencil change-points)))
-               (,group-automate-rule
-                ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
-               (,group-automate-rule ((hidden . midline)))))
-           (extra-offset-instructions
-            . ((,uniform-extra-offset-rule (0.0 . 0.0))))))))))
+                      (xy-scale-function . (,identity . ,identity))
+                      (textual? . #f)
+                      (offset . (0.0 . 0.0)))
+                     ((stencils . ,(make-left-hand-key-addresses '(bes b gis)))
+                      (textual? . ,lh-woodwind-text-stencil)
+                      (offset . (1.5 . 3.75)))
+                     ((stencils . ,(assoc-get 'bottom-group-text-stencil
+                                              change-points))
+                      (textual? . ,rh-woodwind-text-stencil)
+                      (offset . (-1.25 . 0.0)))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,apply-group-draw-rule-series
+                  (,(make-left-hand-key-addresses '(bes b gis))
+                   ,(assoc-get 'bottom-group-text-stencil change-points)))
+                 (,group-automate-rule
+                  ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,uniform-extra-offset-rule (0.0 . 0.0))))))))))
 
 ;;; Tin whistle assembly instructions
 
@@ -332,87 +332,87 @@
 
 (define (generate-tin-whistle-family-entry tin-whistle-name)
   (let*
-    ((change-points
-     (get-named-spreadsheet-column tin-whistle-name tin-whistle-change-points)))
-  `(,tin-whistle-name
-    . ((keys
-        . ((hidden
-            . ((midline
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,midline-stencil)
-                   (text? . #f)
-                   (complexity . basic)))))
-           (central-column
-            . ((one
-                . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (two
-                . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (three
-                . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (four
-                . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (five
-                . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (six
-                . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))))
-           (left-hand . ())
-           (right-hand . ())))
-       (graphical-commands
-        . ((stencil-alist
-            . ((stencils
-                . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
-                   ((stencils
-                     . ,(make-central-column-hole-addresses
-                          CENTRAL-COLUMN-HOLE-LIST))
-                    (xy-scale-function . (,identity . ,identity))
-                    (textual? . #f)
-                    (offset . (0.0 . 0.0)))))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0))))
-           (draw-instructions
-            . ((,group-automate-rule
-                 ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
-               (,group-automate-rule ((hidden . midline)))))
-           (extra-offset-instructions
-            . ((,uniform-extra-offset-rule (0.0 . 0.0))))))
-    (text-commands
-     . ((stencil-alist
-         . ((stencils .
-             (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
-              ((stencils
-                . ,(make-central-column-hole-addresses
-                      CENTRAL-COLUMN-HOLE-H-LIST))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0)))))
-            (xy-scale-function . (,identity . ,identity))
-            (textual? . #f)
-            (offset . (0.0 . 0.0))))
-        (draw-instructions
-         . ((,group-automate-rule
-              ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
-            (,group-automate-rule ((hidden . midline)))))
-        (extra-offset-instructions
-         . ((,uniform-extra-offset-rule (0.0 . 0.0))))))))))
+      ((change-points
+        (get-named-spreadsheet-column tin-whistle-name tin-whistle-change-points)))
+    `(,tin-whistle-name
+      . ((keys
+          . ((hidden
+              . ((midline
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,midline-stencil)
+                     (text? . #f)
+                     (complexity . basic)))))
+             (central-column
+              . ((one
+                  . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (two
+                  . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (three
+                  . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (four
+                  . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (five
+                  . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (six
+                  . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))))
+             (left-hand . ())
+             (right-hand . ())))
+         (graphical-commands
+          . ((stencil-alist
+              . ((stencils
+                  . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
+                     ((stencils
+                       . ,(make-central-column-hole-addresses
+                           CENTRAL-COLUMN-HOLE-LIST))
+                      (xy-scale-function . (,identity . ,identity))
+                      (textual? . #f)
+                      (offset . (0.0 . 0.0)))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,group-automate-rule
+                  ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,uniform-extra-offset-rule (0.0 . 0.0))))))
+         (text-commands
+          . ((stencil-alist
+              . ((stencils .
+                           (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
+                            ((stencils
+                              . ,(make-central-column-hole-addresses
+                                  CENTRAL-COLUMN-HOLE-H-LIST))
+                             (xy-scale-function . (,identity . ,identity))
+                             (textual? . #f)
+                             (offset . (0.0 . 0.0)))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,group-automate-rule
+                  ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,uniform-extra-offset-rule (0.0 . 0.0))))))))))
 
 ;;; Oboe assembly instructions
 
@@ -421,600 +421,600 @@
 
 (define (generate-oboe-family-entry oboe-name)
   (let*
-    ((change-points
-     (get-named-spreadsheet-column oboe-name oboe-change-points)))
-  `(,oboe-name
-    . ((keys
-        . ((hidden
-            . ((midline
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,midline-stencil)
-                   (text? . #f)
-                   (complexity . basic)))))
-           (central-column
-            . ((one
-                . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (two
-                . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (three
-                . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (four
-                . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (five
-                . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (six
-                . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (h
-                . ((offset . (0.0 . 6.25))
-                   (stencil . ,(variable-column-circle-stencil 0.4))
-                   (text? . #f)
-                   (complexity . trill)))))
-           (left-hand
-            . ((I
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-lh-I-key-stencil)
-                   (text? . ("I" . #f))
-                   (complexity . trill)))
-               (III
-                . ((offset . (0.0 . 2.6))
-                   (stencil . ,oboe-lh-III-key-stencil)
-                   (text? . ("III" . #f))
-                   (complexity . trill)))
-               (II
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-lh-II-key-stencil)
-                   (text? . ("II" . #f))
-                   (complexity . trill)))
-               (b
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-lh-b-key-stencil)
-                   (text? . ("B" . #f))
-                   (complexity . trill)))
-               (d
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-lh-d-key-stencil)
-                   (text? . ("D" . #f))
-                   (complexity . trill)))
-               (cis
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-lh-cis-key-stencil)
-                   (text? . ("C" . 1))
-                   (complexity . trill)))
-               (gis
-                . ((offset . (-0.85 . 0.2))
-                   (stencil . ,oboe-lh-gis-key-stencil)
-                   (text? . ("G" . 1))
-                   (complexity . trill)))
-               (ees
-                . ((offset . (2.05 . -3.65))
-                   (stencil . ,oboe-lh-ees-key-stencil)
-                   (text? . ("E" . 0))
-                   (complexity . trill)))
-               (low-b
-                . ((offset . (3.6 . 0.5))
-                   (stencil . ,oboe-lh-low-b-key-stencil)
-                   (text? . ("b" . #f))
-                   (complexity . trill)))
-               (bes
-                . ((offset . (2.25 . -4.15))
-                   (stencil . ,oboe-lh-bes-key-stencil)
-                   (text? . ("B" . 0))
-                   (complexity . trill)))
-               (f
-                . ((offset . (2.15 . -3.85))
-                   (stencil . ,oboe-lh-f-key-stencil)
-                   (text? . ("F" . #f))
-                   (complexity . trill)))))
-           (right-hand
-            . ((a
-                . ((offset . (1.5 . 1.2))
-                   (stencil . ,oboe-rh-a-key-stencil)
-                   (text? . ("A" . #f))
-                   (complexity . trill)))
-               (gis
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-rh-gis-key-stencil)
-                   (text? . ("G" . 1))
-                   (complexity . trill)))
-               (d
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-rh-d-key-stencil)
-                   (text? . ("D" . #f))
-                   (complexity . trill)))
-               (f
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-rh-f-key-stencil)
-                   (text? . ("F" . #f))
-                   (complexity . trill)))
-               (banana
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-rh-banana-key-stencil)
-                   (text? . ("ban" . #f))
-                   (complexity . trill)))
-               (c
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,oboe-rh-c-key-stencil)
-                   (text? . ("C" . #f))
-                   (complexity . trill)))
-               (cis
-                . ((offset . (3.8 . -0.6))
-                   (stencil . ,oboe-rh-cis-key-stencil)
-                   (text? . ("C" . 1))
-                   (complexity . trill)))
-               (ees
-                . ((offset . (0.0 . -1.8))
-                   (stencil . ,oboe-rh-ees-key-stencil)
-                   (text? . ("E" . 0))
-                   (complexity . trill)))))))
-       (graphical-commands
-        . ((stencil-alist
-            . ((stencils
-                . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
-                   ((stencils
-                     . ,(make-central-column-hole-addresses
-                          CENTRAL-COLUMN-HOLE-H-LIST))
-                    (xy-scale-function . (,identity . ,identity))
-                    (textual? . #f)
-                    (offset . (0.0 . 0.0)))
-                   ((stencils . ((left-hand . I) (left-hand . III)))
-                    (xy-scale-function . (,return-1 . ,return-1))
-                    (textual? . #f)
-                    (offset . (-2.5 . 6.5)))
-                   ,(simple-stencil-alist '(left-hand . II) '(2.5 . 6.0))
-                   ,(simple-stencil-alist '(left-hand . b) '(-1.35 . 6.0))
-                   ,(simple-stencil-alist '(left-hand . d) '(1.0 . 6.0))
-                   ,(simple-stencil-alist '(left-hand . cis) '(1.0 . 5.0))
-                   ((stencils
-                     . ,(make-left-hand-key-addresses '(gis bes low-b ees f)))
-                    (xy-scale-function . (,return-1 . ,return-1))
-                    (textual? . #f)
-                    (offset . (0.0 . 3.9)))
-                   ((stencils .
-                    ,(make-right-hand-key-addresses '(a gis)))
-                    (xy-scale-function . (,return-1 . ,return-1))
-                    (textual? . #f)
-                    (offset . (-3.5 . 3.5)))
-                   ,(simple-stencil-alist '(right-hand . d) '(1.0 . 2.5))
-                   ,(simple-stencil-alist '(right-hand . f)  '(-1.0 . 1.5))
-                   ,(simple-stencil-alist '(right-hand . banana)  '(1.7 . 1.0))
-                   ((stencils . ,(make-right-hand-key-addresses '(c cis ees)))
-                    (xy-scale-function . (,return-1 . ,return-1))
-                    (textual? . #f)
-                    (offset . (-3.4 . 0.3)))))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0))))
-           (draw-instructions
-            . ((,apply-group-draw-rule-series
-                 (((right-hand . a) (right-hand . gis))
-                  ,(make-left-hand-key-addresses '(gis bes low-b ees))
-                  ,(make-right-hand-key-addresses '(cis c ees))))
-               (,rich-group-draw-rule
-                 ((left-hand . III))
-                 ((left-hand . I)))
-               (,rich-group-draw-rule
-                 ((left-hand . f))
-                 ,(make-left-hand-key-addresses '(gis bes low-b ees)))
-               (,group-automate-rule
-                 ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
-               (,group-automate-rule ((hidden . midline)))))
-           (extra-offset-instructions
-            . ((,rich-group-extra-offset-rule
-                 ((central-column . h)) ((central-column . one)) (0.0 . 0.8))
-               (,uniform-extra-offset-rule (0.0 . 0.0))))))
-    (text-commands
-     . ((stencil-alist
-         . ((stencils .
-             (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
-              ((stencils
-                . ,(make-central-column-hole-addresses
-                      CENTRAL-COLUMN-HOLE-H-LIST))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0)))
-              ((stencils . ,(make-left-hand-key-addresses '(III I)))
-               (textual? . ,lh-woodwind-text-stencil)
-               (offset . (-2.8 . 7.0)))
-              ((stencils . ,(make-left-hand-key-addresses '(II)))
-               (textual? . ,lh-woodwind-text-stencil)
-               (offset . (2.2 . 7.0)))
-              ((stencils
-                .  ,(make-left-hand-key-addresses
-                      '(b d cis gis ees low-b bes f)))
-               (textual? . ,lh-woodwind-text-stencil)
-               (offset . (1.5 . 3.75)))
-              ((stencils
-                . ,(make-right-hand-key-addresses
-                      '(a gis d f banana c cis ees)))
-               (textual? . ,rh-woodwind-text-stencil)
-               (offset . (-1.25 . 0.0)))))
-            (xy-scale-function . (,identity . ,identity))
-            (textual? . #f)
-            (offset . (0.0 . 0.0))))
-        (draw-instructions
-         . ((,apply-group-draw-rule-series
-              (,(make-left-hand-key-addresses '(b d cis gis ees low-b bes f))
-             ,(make-left-hand-key-addresses '(III I))
-             ,(make-right-hand-key-addresses '(a gis d f banana c cis ees))))
-            (,group-automate-rule
-              ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
-            (,group-automate-rule ((hidden . midline)))))
-        (extra-offset-instructions
-         . ((,rich-group-extra-offset-rule
-              ((central-column . h))
-              ((central-column . one))
-              (0.0 . 0.8))
-            (,uniform-extra-offset-rule (0.0 . 0.0))))))))))
+      ((change-points
+        (get-named-spreadsheet-column oboe-name oboe-change-points)))
+    `(,oboe-name
+      . ((keys
+          . ((hidden
+              . ((midline
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,midline-stencil)
+                     (text? . #f)
+                     (complexity . basic)))))
+             (central-column
+              . ((one
+                  . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (two
+                  . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (three
+                  . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (four
+                  . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (five
+                  . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (six
+                  . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (h
+                  . ((offset . (0.0 . 6.25))
+                     (stencil . ,(variable-column-circle-stencil 0.4))
+                     (text? . #f)
+                     (complexity . trill)))))
+             (left-hand
+              . ((I
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-lh-I-key-stencil)
+                     (text? . ("I" . #f))
+                     (complexity . trill)))
+                 (III
+                  . ((offset . (0.0 . 2.6))
+                     (stencil . ,oboe-lh-III-key-stencil)
+                     (text? . ("III" . #f))
+                     (complexity . trill)))
+                 (II
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-lh-II-key-stencil)
+                     (text? . ("II" . #f))
+                     (complexity . trill)))
+                 (b
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-lh-b-key-stencil)
+                     (text? . ("B" . #f))
+                     (complexity . trill)))
+                 (d
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-lh-d-key-stencil)
+                     (text? . ("D" . #f))
+                     (complexity . trill)))
+                 (cis
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-lh-cis-key-stencil)
+                     (text? . ("C" . 1))
+                     (complexity . trill)))
+                 (gis
+                  . ((offset . (-0.85 . 0.2))
+                     (stencil . ,oboe-lh-gis-key-stencil)
+                     (text? . ("G" . 1))
+                     (complexity . trill)))
+                 (ees
+                  . ((offset . (2.05 . -3.65))
+                     (stencil . ,oboe-lh-ees-key-stencil)
+                     (text? . ("E" . 0))
+                     (complexity . trill)))
+                 (low-b
+                  . ((offset . (3.6 . 0.5))
+                     (stencil . ,oboe-lh-low-b-key-stencil)
+                     (text? . ("b" . #f))
+                     (complexity . trill)))
+                 (bes
+                  . ((offset . (2.25 . -4.15))
+                     (stencil . ,oboe-lh-bes-key-stencil)
+                     (text? . ("B" . 0))
+                     (complexity . trill)))
+                 (f
+                  . ((offset . (2.15 . -3.85))
+                     (stencil . ,oboe-lh-f-key-stencil)
+                     (text? . ("F" . #f))
+                     (complexity . trill)))))
+             (right-hand
+              . ((a
+                  . ((offset . (1.5 . 1.2))
+                     (stencil . ,oboe-rh-a-key-stencil)
+                     (text? . ("A" . #f))
+                     (complexity . trill)))
+                 (gis
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-rh-gis-key-stencil)
+                     (text? . ("G" . 1))
+                     (complexity . trill)))
+                 (d
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-rh-d-key-stencil)
+                     (text? . ("D" . #f))
+                     (complexity . trill)))
+                 (f
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-rh-f-key-stencil)
+                     (text? . ("F" . #f))
+                     (complexity . trill)))
+                 (banana
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-rh-banana-key-stencil)
+                     (text? . ("ban" . #f))
+                     (complexity . trill)))
+                 (c
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,oboe-rh-c-key-stencil)
+                     (text? . ("C" . #f))
+                     (complexity . trill)))
+                 (cis
+                  . ((offset . (3.8 . -0.6))
+                     (stencil . ,oboe-rh-cis-key-stencil)
+                     (text? . ("C" . 1))
+                     (complexity . trill)))
+                 (ees
+                  . ((offset . (0.0 . -1.8))
+                     (stencil . ,oboe-rh-ees-key-stencil)
+                     (text? . ("E" . 0))
+                     (complexity . trill)))))))
+         (graphical-commands
+          . ((stencil-alist
+              . ((stencils
+                  . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
+                     ((stencils
+                       . ,(make-central-column-hole-addresses
+                           CENTRAL-COLUMN-HOLE-H-LIST))
+                      (xy-scale-function . (,identity . ,identity))
+                      (textual? . #f)
+                      (offset . (0.0 . 0.0)))
+                     ((stencils . ((left-hand . I) (left-hand . III)))
+                      (xy-scale-function . (,return-1 . ,return-1))
+                      (textual? . #f)
+                      (offset . (-2.5 . 6.5)))
+                     ,(simple-stencil-alist '(left-hand . II) '(2.5 . 6.0))
+                     ,(simple-stencil-alist '(left-hand . b) '(-1.35 . 6.0))
+                     ,(simple-stencil-alist '(left-hand . d) '(1.0 . 6.0))
+                     ,(simple-stencil-alist '(left-hand . cis) '(1.0 . 5.0))
+                     ((stencils
+                       . ,(make-left-hand-key-addresses '(gis bes low-b ees f)))
+                      (xy-scale-function . (,return-1 . ,return-1))
+                      (textual? . #f)
+                      (offset . (0.0 . 3.9)))
+                     ((stencils .
+                                ,(make-right-hand-key-addresses '(a gis)))
+                      (xy-scale-function . (,return-1 . ,return-1))
+                      (textual? . #f)
+                      (offset . (-3.5 . 3.5)))
+                     ,(simple-stencil-alist '(right-hand . d) '(1.0 . 2.5))
+                     ,(simple-stencil-alist '(right-hand . f)  '(-1.0 . 1.5))
+                     ,(simple-stencil-alist '(right-hand . banana)  '(1.7 . 1.0))
+                     ((stencils . ,(make-right-hand-key-addresses '(c cis ees)))
+                      (xy-scale-function . (,return-1 . ,return-1))
+                      (textual? . #f)
+                      (offset . (-3.4 . 0.3)))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,apply-group-draw-rule-series
+                  (((right-hand . a) (right-hand . gis))
+                   ,(make-left-hand-key-addresses '(gis bes low-b ees))
+                   ,(make-right-hand-key-addresses '(cis c ees))))
+                 (,rich-group-draw-rule
+                  ((left-hand . III))
+                  ((left-hand . I)))
+                 (,rich-group-draw-rule
+                  ((left-hand . f))
+                  ,(make-left-hand-key-addresses '(gis bes low-b ees)))
+                 (,group-automate-rule
+                  ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,rich-group-extra-offset-rule
+                  ((central-column . h)) ((central-column . one)) (0.0 . 0.8))
+                 (,uniform-extra-offset-rule (0.0 . 0.0))))))
+         (text-commands
+          . ((stencil-alist
+              . ((stencils .
+                           (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
+                            ((stencils
+                              . ,(make-central-column-hole-addresses
+                                  CENTRAL-COLUMN-HOLE-H-LIST))
+                             (xy-scale-function . (,identity . ,identity))
+                             (textual? . #f)
+                             (offset . (0.0 . 0.0)))
+                            ((stencils . ,(make-left-hand-key-addresses '(III I)))
+                             (textual? . ,lh-woodwind-text-stencil)
+                             (offset . (-2.8 . 7.0)))
+                            ((stencils . ,(make-left-hand-key-addresses '(II)))
+                             (textual? . ,lh-woodwind-text-stencil)
+                             (offset . (2.2 . 7.0)))
+                            ((stencils
+                              .  ,(make-left-hand-key-addresses
+                                   '(b d cis gis ees low-b bes f)))
+                             (textual? . ,lh-woodwind-text-stencil)
+                             (offset . (1.5 . 3.75)))
+                            ((stencils
+                              . ,(make-right-hand-key-addresses
+                                  '(a gis d f banana c cis ees)))
+                             (textual? . ,rh-woodwind-text-stencil)
+                             (offset . (-1.25 . 0.0)))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,apply-group-draw-rule-series
+                  (,(make-left-hand-key-addresses '(b d cis gis ees low-b bes f))
+                   ,(make-left-hand-key-addresses '(III I))
+                   ,(make-right-hand-key-addresses '(a gis d f banana c cis ees))))
+                 (,group-automate-rule
+                  ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,rich-group-extra-offset-rule
+                  ((central-column . h))
+                  ((central-column . one))
+                  (0.0 . 0.8))
+                 (,uniform-extra-offset-rule (0.0 . 0.0))))))))))
 
 ;; Clarinet assembly instructions
 
 (define clarinet-change-points
   ((make-named-spreadsheet '(clarinet bass-clarinet low-bass-clarinet))
-    `((bottom-group-key-names
-       . (()
-          ((ees
-            . ((offset . (0.0 . ,(* 0 (+ 0.75 CL-RH-HAIR))))
-               (stencil . ,bass-clarinet-rh-ees-key-stencil)
-               (text? . ("E" . 0))
-               (complexity . trill))))
-          ((ees
-            . ((offset . (0.0 . ,(* 0 (+ 0.75 CL-RH-HAIR))))
-               (stencil . ,low-bass-clarinet-rh-ees-key-stencil)
-               (text? . ("E" . 0))
-               (complexity . trill)))
-           (d
-            . ((offset . (,(+ 1.5 CL-RH-HAIR) . ,(* -1 (+ 0.75 CL-RH-HAIR))))
-               (stencil . ,clarinet-rh-d-key-stencil)
-               (text? . ("d" . #f))
-               (complexity . trill)))
-           (low-cis
-            . ((offset . (0.0 . 1.4))
-               (stencil . ,clarinet-rh-low-cis-key-stencil)
-               (text? . ("c" . 1))
-               (complexity . trill)))
-           (low-d
-            . ((offset . (0.0 . 2.4))
-               (stencil . ,clarinet-rh-low-d-key-stencil)
-               (text? . ("d" . #f))
-               (complexity . trill)))
-           (low-c
-            . ((offset . (0.0 . 0.0))
-               (stencil . ,clarinet-rh-low-c-key-stencil)
-               (text? . ("c" . #f))
-               (complexity . trill))))))
-      (left-extra-key-names
-       . (()
-          ()
-          ((d
-            . ((offset . (4.0 . -0.8))
-               (stencil . ,clarinet-lh-d-key-stencil)
-               (text? . ("D" . #f))
-               (complexity . trill))))))
-      (right-thumb-group
-       . (()
-          ()
-          (((stencils
+   `((bottom-group-key-names
+      . (()
+         ((ees
+           . ((offset . (0.0 . ,(* 0 (+ 0.75 CL-RH-HAIR))))
+              (stencil . ,bass-clarinet-rh-ees-key-stencil)
+              (text? . ("E" . 0))
+              (complexity . trill))))
+         ((ees
+           . ((offset . (0.0 . ,(* 0 (+ 0.75 CL-RH-HAIR))))
+              (stencil . ,low-bass-clarinet-rh-ees-key-stencil)
+              (text? . ("E" . 0))
+              (complexity . trill)))
+          (d
+           . ((offset . (,(+ 1.5 CL-RH-HAIR) . ,(* -1 (+ 0.75 CL-RH-HAIR))))
+              (stencil . ,clarinet-rh-d-key-stencil)
+              (text? . ("d" . #f))
+              (complexity . trill)))
+          (low-cis
+           . ((offset . (0.0 . 1.4))
+              (stencil . ,clarinet-rh-low-cis-key-stencil)
+              (text? . ("c" . 1))
+              (complexity . trill)))
+          (low-d
+           . ((offset . (0.0 . 2.4))
+              (stencil . ,clarinet-rh-low-d-key-stencil)
+              (text? . ("d" . #f))
+              (complexity . trill)))
+          (low-c
+           . ((offset . (0.0 . 0.0))
+              (stencil . ,clarinet-rh-low-c-key-stencil)
+              (text? . ("c" . #f))
+              (complexity . trill))))))
+     (left-extra-key-names
+      . (()
+         ()
+         ((d
+           . ((offset . (4.0 . -0.8))
+              (stencil . ,clarinet-lh-d-key-stencil)
+              (text? . ("D" . #f))
+              (complexity . trill))))))
+     (right-thumb-group
+      . (()
+         ()
+         (((stencils
             . ,(make-right-hand-key-addresses '(low-c low-cis)))
            (xy-scale-function . (,return-1 . ,return-1))
            (textual? . #f)
            (offset . (-1.3 . 4.0))))))
-      (low-left-hand-key-addresses
-       . (,(make-left-hand-key-addresses '(cis f e fis))
-          ,(make-left-hand-key-addresses '(cis f e fis))
-          ,(make-left-hand-key-addresses '(cis f e fis d))))
-      (all-left-hand-key-addresses
-       . (,(make-left-hand-key-addresses '(a gis ees cis f e fis))
-          ,(make-left-hand-key-addresses '(a gis ees cis f e fis))
-          ,(make-left-hand-key-addresses '(a gis ees cis f e fis d))))
-      (low-key-group
-       . (()
-          ()
-          (,(make-right-hand-key-addresses '(low-c low-cis)))))
-      (low-rich-draw-rules
-       . (()
-          ()
-          ((,rich-group-draw-rule
-                  ((left-hand . d))
-                  ,(make-left-hand-key-addresses '(cis f e fis)))
-           (,rich-group-draw-rule
-                  ((right-hand . low-d))
-                  ((right-hand . low-cis) (right-hand . low-c))))))
-      (low-extra-offset-rule
-       . (()
-          ()
-          ((,rich-group-extra-offset-rule
-                 ,(make-right-hand-key-addresses '(low-c low-d low-cis))
-                 ,(make-right-hand-key-addresses '(one two three four))
-                 (-0.5 . -0.7)))))
-      (bottom-right-group-key-addresses
-       . (,(make-right-hand-key-addresses '(fis e f gis))
-          ,(make-right-hand-key-addresses '(fis e ees gis f))
-          ,(make-right-hand-key-addresses '(fis e ees gis f d))))
-      (right-hand-key-addresses
-       . (,(make-right-hand-key-addresses '(fis e f gis))
-          ,(make-right-hand-key-addresses '(fis e ees gis f))
-          ,(make-right-hand-key-addresses
-              '(low-d low-cis low-c fis e ees gis f d)))))))
+     (low-left-hand-key-addresses
+      . (,(make-left-hand-key-addresses '(cis f e fis))
+         ,(make-left-hand-key-addresses '(cis f e fis))
+         ,(make-left-hand-key-addresses '(cis f e fis d))))
+     (all-left-hand-key-addresses
+      . (,(make-left-hand-key-addresses '(a gis ees cis f e fis))
+         ,(make-left-hand-key-addresses '(a gis ees cis f e fis))
+         ,(make-left-hand-key-addresses '(a gis ees cis f e fis d))))
+     (low-key-group
+      . (()
+         ()
+         (,(make-right-hand-key-addresses '(low-c low-cis)))))
+     (low-rich-draw-rules
+      . (()
+         ()
+         ((,rich-group-draw-rule
+           ((left-hand . d))
+           ,(make-left-hand-key-addresses '(cis f e fis)))
+          (,rich-group-draw-rule
+           ((right-hand . low-d))
+           ((right-hand . low-cis) (right-hand . low-c))))))
+     (low-extra-offset-rule
+      . (()
+         ()
+         ((,rich-group-extra-offset-rule
+           ,(make-right-hand-key-addresses '(low-c low-d low-cis))
+           ,(make-right-hand-key-addresses '(one two three four))
+           (-0.5 . -0.7)))))
+     (bottom-right-group-key-addresses
+      . (,(make-right-hand-key-addresses '(fis e f gis))
+         ,(make-right-hand-key-addresses '(fis e ees gis f))
+         ,(make-right-hand-key-addresses '(fis e ees gis f d))))
+     (right-hand-key-addresses
+      . (,(make-right-hand-key-addresses '(fis e f gis))
+         ,(make-right-hand-key-addresses '(fis e ees gis f))
+         ,(make-right-hand-key-addresses
+           '(low-d low-cis low-c fis e ees gis f d)))))))
 
 (define (generate-clarinet-family-entry clarinet-name)
   (let*
-    ((change-points
-      (get-named-spreadsheet-column clarinet-name clarinet-change-points)))
-  `(,clarinet-name
-    . ((keys
-        . ((hidden
-            . ((midline
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,midline-stencil)
-                   (text? . #f)
-                   (complexity . basic)))))
-           (central-column
-            . ((one
-                . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (two
-                . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (three
-                . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (four
-                . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (five
-                . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (six
-                . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . covered)))
-               (h
-                . ((offset . (0.0 . 6.25))
-                   (stencil . ,(variable-column-circle-stencil 0.4))
-                   (text? . #f)
-                   (complexity . covered)))))
-           (left-hand
-            . ,(append `((thumb
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,clarinet-lh-thumb-key-stencil)
-                             (text? . #f)
-                             (complexity . trill)))
-                         (R
-                          . ((offset . (1.0 . 1.0))
-                             (stencil . ,clarinet-lh-R-key-stencil)
-                             (text? . #f)
-                             (complexity . trill)))
-                         (a
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,clarinet-lh-a-key-stencil)
-                             (text? . ("A" . #f))
-                             (complexity . trill)))
-                         (gis
-                          . ((offset . (0.8 . 1.0))
-                             (stencil . ,clarinet-lh-gis-key-stencil)
-                             (text? . ("G" . 1))
-                             (complexity . trill)))
-                         (ees
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,clarinet-lh-ees-key-stencil)
-                             (text? . ("E" . 0))
-                             (complexity . trill)))
-                         (cis
-                          . ((offset . (-0.85 . 0.2))
-                             (stencil . ,clarinet-lh-cis-key-stencil)
-                             (text? . ("C" . 1))
-                             (complexity . trill)))
-                         (f
-                          . ((offset . (3.6 . 0.5))
-                             (stencil . ,clarinet-lh-f-key-stencil)
-                             (text? . ("F" . #f))
-                             (complexity . trill)))
-                         (e
-                          . ((offset . (2.05 . -3.65))
-                             (stencil . ,clarinet-lh-e-key-stencil)
-                             (text? . ("E" . #f))
-                             (complexity . trill)))
-                         (fis
-                          . ((offset . (2.25 . -4.15))
-                             (stencil . ,clarinet-lh-fis-key-stencil)
-                             (text? . ("F" . 1))
-                             (complexity . trill))))
-                        (assoc-get 'left-extra-key-names change-points)))
-           (right-hand
-            . ,(append `((one
-                          . ((offset . (0.0 . 0.75))
-                             (stencil . ,clarinet-rh-one-key-stencil)
-                             (text? . "1")
-                             (complexity . trill)))
-                         (two
-                          . ((offset . (0.0 . 0.25))
-                             (stencil . ,clarinet-rh-two-key-stencil)
-                             (text? . "2")
-                             (complexity . trill)))
-                         (three
-                          . ((offset . (0.0 . -0.25))
-                             (stencil . ,clarinet-rh-three-key-stencil)
-                             (text? . "3")
-                             (complexity . trill)))
-                         (four
-                          . ((offset . (0.0 . -0.75))
-                             (stencil . ,clarinet-rh-four-key-stencil)
-                             (text? . "4")
-                             (complexity . trill)))
-                         (b
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,clarinet-rh-b-key-stencil)
-                             (text? . ("B" . #f))
-                             (complexity . trill)))
-                         (fis
-                          . ((offset . (0.0 . ,(* 4 (+ 0.75 CL-RH-HAIR))))
-                             (stencil . ,clarinet-rh-fis-key-stencil)
-                             (text? . ("F" . 1))
-                             (complexity . trill)))
-                         (gis
-                          . ((offset . (,(+ 1.5 CL-RH-HAIR)
-                                        . ,(* 3 (+ 0.75 CL-RH-HAIR))))
-                             (stencil . ,clarinet-rh-gis-key-stencil)
-                             (text? . ("G" . 1))
-                             (complexity . trill)))
-                         (e
-                          . ((offset . (0.0 . ,(* 2 (+ 0.75 CL-RH-HAIR))))
-                             (stencil . ,clarinet-rh-e-key-stencil)
-                             (text? . ("E" . #f))
-                             (complexity . trill)))
-                         (f
-                          . ((offset . (,(+ 1.5 CL-RH-HAIR)
-                                        . ,(* 1 (+ 0.75 CL-RH-HAIR))))
-                             (stencil . ,clarinet-rh-f-key-stencil)
-                             (text? . ("F" . #f))
-                             (complexity . trill))))
-                       (assoc-get 'bottom-group-key-names change-points)))))
-       (graphical-commands
-        . ((stencil-alist
-            . ((stencils
-                . ,(append (assoc-get 'right-thumb-group change-points)
-                           `(,(simple-stencil-alist '(hidden . midline)
-                                                    '(0.0 . 3.75))
-                            ((stencils
-                              . ,(make-central-column-hole-addresses
-                                   CENTRAL-COLUMN-HOLE-H-LIST))
-                             (xy-scale-function . (,identity . ,identity))
-                             (textual? . #f)
-                             (offset . (0.0 . 0.0)))
-                            ((stencils
-                              . ,(make-left-hand-key-addresses '(thumb R)))
-                             (xy-scale-function . (,identity . ,identity))
-                             (textual? . #f)
-                             (offset . (-2.5 . 6.5)))
-                            ((stencils
-                              . ((left-hand . a) (left-hand . gis)))
-                             (xy-scale-function . (,return-1 . ,return-1))
-                             (textual? . #f)
-                             (offset . (0.0 . 7.5)))
-                            ,(simple-stencil-alist '(left-hand . ees)
-                                                   '(1.0 . 5.0))
-                            ((stencils
-                              . ,(make-left-hand-key-addresses '(cis f e fis)))
-                             (xy-scale-function . (,return-1 . ,return-1))
-                             (textual? . #f)
-                             (offset . (0.0 . 3.9)))
-                            ((stencils
-                              . ,(make-right-hand-key-addresses
-                                    '(one two three four)))
-                             (xy-scale-function . (,return-1 . ,return-1))
-                             (textual? . #f)
-                             (offset . (-1.25 . 3.75)))
-                            ,(simple-stencil-alist '(right-hand . b)
-                                                   '(-1.0 . 1.5))
-                            ((stencils
-                              . ,(assoc-get 'bottom-right-group-key-addresses
-                                            change-points))
-                             (xy-scale-function . (,return-1 . ,return-1))
-                             (textual? . #f)
-                             (offset . (-4.0 . -0.75))))))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0))))
-           (draw-instructions
-            . ,(append (assoc-get 'low-rich-draw-rules change-points)
-                       `((,apply-group-draw-rule-series
-                          ,(append (assoc-get 'low-key-group change-points)
-                                   `(((left-hand . a) (left-hand . gis))
-                                     ,(make-right-hand-key-addresses
+      ((change-points
+        (get-named-spreadsheet-column clarinet-name clarinet-change-points)))
+    `(,clarinet-name
+      . ((keys
+          . ((hidden
+              . ((midline
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,midline-stencil)
+                     (text? . #f)
+                     (complexity . basic)))))
+             (central-column
+              . ((one
+                  . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (two
+                  . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (three
+                  . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (four
+                  . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (five
+                  . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (six
+                  . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . covered)))
+                 (h
+                  . ((offset . (0.0 . 6.25))
+                     (stencil . ,(variable-column-circle-stencil 0.4))
+                     (text? . #f)
+                     (complexity . covered)))))
+             (left-hand
+              . ,(append `((thumb
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,clarinet-lh-thumb-key-stencil)
+                               (text? . #f)
+                               (complexity . trill)))
+                           (R
+                            . ((offset . (1.0 . 1.0))
+                               (stencil . ,clarinet-lh-R-key-stencil)
+                               (text? . #f)
+                               (complexity . trill)))
+                           (a
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,clarinet-lh-a-key-stencil)
+                               (text? . ("A" . #f))
+                               (complexity . trill)))
+                           (gis
+                            . ((offset . (0.8 . 1.0))
+                               (stencil . ,clarinet-lh-gis-key-stencil)
+                               (text? . ("G" . 1))
+                               (complexity . trill)))
+                           (ees
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,clarinet-lh-ees-key-stencil)
+                               (text? . ("E" . 0))
+                               (complexity . trill)))
+                           (cis
+                            . ((offset . (-0.85 . 0.2))
+                               (stencil . ,clarinet-lh-cis-key-stencil)
+                               (text? . ("C" . 1))
+                               (complexity . trill)))
+                           (f
+                            . ((offset . (3.6 . 0.5))
+                               (stencil . ,clarinet-lh-f-key-stencil)
+                               (text? . ("F" . #f))
+                               (complexity . trill)))
+                           (e
+                            . ((offset . (2.05 . -3.65))
+                               (stencil . ,clarinet-lh-e-key-stencil)
+                               (text? . ("E" . #f))
+                               (complexity . trill)))
+                           (fis
+                            . ((offset . (2.25 . -4.15))
+                               (stencil . ,clarinet-lh-fis-key-stencil)
+                               (text? . ("F" . 1))
+                               (complexity . trill))))
+                         (assoc-get 'left-extra-key-names change-points)))
+             (right-hand
+              . ,(append `((one
+                            . ((offset . (0.0 . 0.75))
+                               (stencil . ,clarinet-rh-one-key-stencil)
+                               (text? . "1")
+                               (complexity . trill)))
+                           (two
+                            . ((offset . (0.0 . 0.25))
+                               (stencil . ,clarinet-rh-two-key-stencil)
+                               (text? . "2")
+                               (complexity . trill)))
+                           (three
+                            . ((offset . (0.0 . -0.25))
+                               (stencil . ,clarinet-rh-three-key-stencil)
+                               (text? . "3")
+                               (complexity . trill)))
+                           (four
+                            . ((offset . (0.0 . -0.75))
+                               (stencil . ,clarinet-rh-four-key-stencil)
+                               (text? . "4")
+                               (complexity . trill)))
+                           (b
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,clarinet-rh-b-key-stencil)
+                               (text? . ("B" . #f))
+                               (complexity . trill)))
+                           (fis
+                            . ((offset . (0.0 . ,(* 4 (+ 0.75 CL-RH-HAIR))))
+                               (stencil . ,clarinet-rh-fis-key-stencil)
+                               (text? . ("F" . 1))
+                               (complexity . trill)))
+                           (gis
+                            . ((offset . (,(+ 1.5 CL-RH-HAIR)
+                                          . ,(* 3 (+ 0.75 CL-RH-HAIR))))
+                               (stencil . ,clarinet-rh-gis-key-stencil)
+                               (text? . ("G" . 1))
+                               (complexity . trill)))
+                           (e
+                            . ((offset . (0.0 . ,(* 2 (+ 0.75 CL-RH-HAIR))))
+                               (stencil . ,clarinet-rh-e-key-stencil)
+                               (text? . ("E" . #f))
+                               (complexity . trill)))
+                           (f
+                            . ((offset . (,(+ 1.5 CL-RH-HAIR)
+                                          . ,(* 1 (+ 0.75 CL-RH-HAIR))))
+                               (stencil . ,clarinet-rh-f-key-stencil)
+                               (text? . ("F" . #f))
+                               (complexity . trill))))
+                         (assoc-get 'bottom-group-key-names change-points)))))
+         (graphical-commands
+          . ((stencil-alist
+              . ((stencils
+                  . ,(append (assoc-get 'right-thumb-group change-points)
+                             `(,(simple-stencil-alist '(hidden . midline)
+                                                      '(0.0 . 3.75))
+                               ((stencils
+                                 . ,(make-central-column-hole-addresses
+                                     CENTRAL-COLUMN-HOLE-H-LIST))
+                                (xy-scale-function . (,identity . ,identity))
+                                (textual? . #f)
+                                (offset . (0.0 . 0.0)))
+                               ((stencils
+                                 . ,(make-left-hand-key-addresses '(thumb R)))
+                                (xy-scale-function . (,identity . ,identity))
+                                (textual? . #f)
+                                (offset . (-2.5 . 6.5)))
+                               ((stencils
+                                 . ((left-hand . a) (left-hand . gis)))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (0.0 . 7.5)))
+                               ,(simple-stencil-alist '(left-hand . ees)
+                                                      '(1.0 . 5.0))
+                               ((stencils
+                                 . ,(make-left-hand-key-addresses '(cis f e fis)))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (0.0 . 3.9)))
+                               ((stencils
+                                 . ,(make-right-hand-key-addresses
+                                     '(one two three four)))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (-1.25 . 3.75)))
+                               ,(simple-stencil-alist '(right-hand . b)
+                                                      '(-1.0 . 1.5))
+                               ((stencils
+                                 . ,(assoc-get 'bottom-right-group-key-addresses
+                                               change-points))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (-4.0 . -0.75))))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ,(append (assoc-get 'low-rich-draw-rules change-points)
+                         `((,apply-group-draw-rule-series
+                            ,(append (assoc-get 'low-key-group change-points)
+                                     `(((left-hand . a) (left-hand . gis))
+                                       ,(make-right-hand-key-addresses
                                          '(one two three four))
-                                     ,(assoc-get 'low-left-hand-key-addresses
-                                                 change-points)
-                                     ,(assoc-get 'right-hand-key-addresses
-                                                 change-points))))
-                        (,rich-group-draw-rule
-                           ((left-hand . R))
-                           ((left-hand . thumb)))
-                        (,group-automate-rule
-                           ,(make-central-column-hole-addresses
-                               CENTRAL-COLUMN-HOLE-LIST))
-                        (,group-automate-rule ((hidden . midline))))))
-           (extra-offset-instructions
-            . ,(append (assoc-get 'low-extra-offset-rule change-points)
-                       `((,rich-group-extra-offset-rule
-                          ((central-column . h))
-                          ((central-column . one)
-                           (left-hand . a)
-                           (left-hand . gis))
-                          (0.0 . 0.8))
-                         (,uniform-extra-offset-rule (0.0 . 0.0)))))))
-       (text-commands
-        . ((stencil-alist
-            . ((stencils
-                . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
-                   ((stencils
-                     . ,(make-central-column-hole-addresses
+                                       ,(assoc-get 'low-left-hand-key-addresses
+                                                   change-points)
+                                       ,(assoc-get 'right-hand-key-addresses
+                                                   change-points))))
+                           (,rich-group-draw-rule
+                            ((left-hand . R))
+                            ((left-hand . thumb)))
+                           (,group-automate-rule
+                            ,(make-central-column-hole-addresses
+                              CENTRAL-COLUMN-HOLE-LIST))
+                           (,group-automate-rule ((hidden . midline))))))
+             (extra-offset-instructions
+              . ,(append (assoc-get 'low-extra-offset-rule change-points)
+                         `((,rich-group-extra-offset-rule
+                            ((central-column . h))
+                            ((central-column . one)
+                             (left-hand . a)
+                             (left-hand . gis))
+                            (0.0 . 0.8))
+                           (,uniform-extra-offset-rule (0.0 . 0.0)))))))
+         (text-commands
+          . ((stencil-alist
+              . ((stencils
+                  . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
+                     ((stencils
+                       . ,(make-central-column-hole-addresses
                            CENTRAL-COLUMN-HOLE-LIST))
-                    (xy-scale-function . (,identity . ,identity))
-                    (textual? . #f)
-                    (offset . (0.0 . 0.0)))
-                   ((stencils . ((left-hand . thumb) (left-hand . R)))
-                    (xy-scale-function . (,identity . ,identity))
-                    (textual? . #f)
-                    (offset . (-2.5 . 6.5)))
-                   ((stencils
-                     . ,(assoc-get 'all-left-hand-key-addresses change-points))
-                    (textual? . ,lh-woodwind-text-stencil)
-                    (offset . (1.5 . 3.75)))
-                   ((stencils
-                     . ,(make-right-hand-key-addresses '(one two three four)))
-                    (textual? . ,number-column-stencil)
-                    (offset . (-1.25 . 3.75)))
-                   ((stencils . ,(assoc-get 'right-hand-key-addresses
-                                            change-points))
-                    (textual? . ,rh-woodwind-text-stencil)
-                    (offset . (-1.25 . 0.0)))))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0))))
-           (draw-instructions
-            . ((,apply-group-draw-rule-series
-                 (,(assoc-get 'all-left-hand-key-addresses change-points)
-                  ,(make-right-hand-key-addresses '(one two three four))
-                  ,(assoc-get 'right-hand-key-addresses change-points)))
-               (,group-automate-rule
-                 ,(make-central-column-hole-addresses
-                     CENTRAL-COLUMN-HOLE-LIST))
-               (,group-automate-rule ((hidden . midline)))))
-           (extra-offset-instructions
-            . ((,rich-group-extra-offset-rule
+                      (xy-scale-function . (,identity . ,identity))
+                      (textual? . #f)
+                      (offset . (0.0 . 0.0)))
+                     ((stencils . ((left-hand . thumb) (left-hand . R)))
+                      (xy-scale-function . (,identity . ,identity))
+                      (textual? . #f)
+                      (offset . (-2.5 . 6.5)))
+                     ((stencils
+                       . ,(assoc-get 'all-left-hand-key-addresses change-points))
+                      (textual? . ,lh-woodwind-text-stencil)
+                      (offset . (1.5 . 3.75)))
+                     ((stencils
+                       . ,(make-right-hand-key-addresses '(one two three four)))
+                      (textual? . ,number-column-stencil)
+                      (offset . (-1.25 . 3.75)))
+                     ((stencils . ,(assoc-get 'right-hand-key-addresses
+                                              change-points))
+                      (textual? . ,rh-woodwind-text-stencil)
+                      (offset . (-1.25 . 0.0)))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,apply-group-draw-rule-series
+                  (,(assoc-get 'all-left-hand-key-addresses change-points)
+                   ,(make-right-hand-key-addresses '(one two three four))
+                   ,(assoc-get 'right-hand-key-addresses change-points)))
+                 (,group-automate-rule
+                  ,(make-central-column-hole-addresses
+                    CENTRAL-COLUMN-HOLE-LIST))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,rich-group-extra-offset-rule
                   ((central-column . h))
                   ((central-column . one) (left-hand . a) (left-hand . gis))
                   (0.0 . 0.8))
-               (,uniform-extra-offset-rule (0.0 . 0.0))))))))))
+                 (,uniform-extra-offset-rule (0.0 . 0.0))))))))))
 
 ;; Saxophone assembly instructions
 
@@ -1027,618 +1027,618 @@
 
 (define saxophone-change-points
   ((make-named-spreadsheet '(saxophone baritone-saxophone))
-    `((low-a-key-definition
-       . (()
-          ((low-a
-            . ((offset . (0.0 . 0.0))
-               (stencil . ,saxophone-lh-low-a-key-stencil)
-               (text? . #f)
-               (complexity . trill))))))
+   `((low-a-key-definition
+      . (()
+         ((low-a
+           . ((offset . (0.0 . 0.0))
+              (stencil . ,saxophone-lh-low-a-key-stencil)
+              (text? . #f)
+              (complexity . trill))))))
      (low-a-key-group
-       . (()
-          (,(simple-stencil-alist '(left-hand . low-a) '(-5.0 . 7.0)))))
+      . (()
+         (,(simple-stencil-alist '(left-hand . low-a) '(-5.0 . 7.0)))))
      (low-a-presence
-       . (()
-          ((left-hand . low-a))))
+      . (()
+         ((left-hand . low-a))))
      (left-hand-key-names
-       . (,(make-right-hand-key-addresses
-              '(ees d f front-f bes gis cis b low-bes))
-          ,(make-right-hand-key-addresses
-              '(ees d f front-f bes gis cis b low-bes low-a)))))))
+      . (,(make-right-hand-key-addresses
+           '(ees d f front-f bes gis cis b low-bes))
+         ,(make-right-hand-key-addresses
+           '(ees d f front-f bes gis cis b low-bes low-a)))))))
 
 (define (generate-saxophone-family-entry saxophone-name)
   (let*
-    ((change-points
-     (get-named-spreadsheet-column
-       (saxophone-name-passerelle saxophone-name) saxophone-change-points)))
-  `(,saxophone-name
-    . ((keys
-        . ((hidden
-            . ((midline
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,midline-stencil)
-                   (text? . #f)
-                   (complexity . basic)))))
-           (central-column
-            . ((one
-                . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . trill)))
-               (two
-                . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . trill)))
-               (three
-                . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . trill)))
-               (four
-                . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . trill)))
-               (five
-                . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . trill)))
-               (six
-                . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,column-circle-stencil)
-                   (text? . #f)
-                   (complexity . trill)))))
-           (left-hand
-            . ,(append (assoc-get 'low-a-key-definition change-points)
-                       `((T
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,saxophone-lh-T-key-stencil)
-                             (text? . ("T" . #f))
-                             (complexity . trill)))
-                         (ees
-                          . ((offset . (0.4 . 1.6))
-                             (stencil . ,saxophone-lh-ees-key-stencil)
-                             (text? . ("E" . 0))
-                             (complexity . trill)))
-                         (d
-                          . ((offset . (1.5 . 0.5))
-                             (stencil . ,saxophone-lh-d-key-stencil)
-                             (text? . ("D" . #f))
-                             (complexity . trill)))
-                         (f
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,saxophone-lh-f-key-stencil)
-                             (text? . ("F" . #f))
-                             (complexity . trill)))
-                         (front-f
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,saxophone-lh-front-f-key-stencil)
-                             (text? . ("f" . #f))
-                             (complexity . trill)))
-                         (bes
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,saxophone-lh-bes-key-stencil)
-                             (text? . ("B" . 0))
-                             (complexity . trill)))
-                         (gis
-                          . ((offset . (0.0 . 1.1))
-                             (stencil . ,saxophone-lh-gis-key-stencil)
-                             (text? . ("G" . 1))
-                             (complexity . trill)))
-                         (cis
-                          . ((offset . (2.4 . 0.0))
-                             (stencil . ,saxophone-lh-cis-key-stencil)
-                             (text? . ("C" . 1))
-                             (complexity . trill)))
-                         (b
-                          . ((offset . (0.0 . 0.0))
-                            (stencil . ,saxophone-lh-b-key-stencil)
-                            (text? . ("B" . #f))
-                            (complexity . trill)))
-                         (low-bes
-                          . ((offset . (0.0 . -0.2))
-                             (stencil . ,saxophone-lh-low-bes-key-stencil)
-                             (text? . ("b" . 0))
-                             (complexity . trill))))))
-           (right-hand
-            . ((e
-                . ((offset . (0.0 . 2.0))
-                   (stencil . ,saxophone-rh-e-key-stencil)
-                   (text? . ("E" . #f))
-                   (complexity . trill)))
-               (c
-                . ((offset . (0.0 . 0.9))
-                   (stencil . ,saxophone-rh-c-key-stencil)
-                   (text? . ("C" . #f))
-                   (complexity . trill)))
-               (bes
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,saxophone-rh-bes-key-stencil)
-                   (text? . ("B" . 0))
-                   (complexity . trill)))
-               (high-fis
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,saxophone-rh-high-fis-key-stencil)
-                   (text? . ("hF" . 1))
-                   (complexity . trill)))
-               (fis
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,saxophone-rh-fis-key-stencil)
-                   (text? . ("F" . 1))
-                   (complexity . trill)))
-               (ees
-                . ((offset . (0.0 . 0.7))
-                   (stencil . ,saxophone-rh-ees-key-stencil)
-                   (text? . ("E" . 0))
-                   (complexity . trill)))
-               (low-c
-                . ((offset . (-1.2 . -0.1))
-                   (stencil . ,saxophone-rh-low-c-key-stencil)
-                   (text? . ("c" . #f))
-                   (complexity . trill)))))))
-      (graphical-commands
-       . ((stencil-alist
-           . ((stencils
-               . ,(append (assoc-get 'low-a-key-group change-points)
-                          `(,(simple-stencil-alist '(hidden . midline)
-                                                   '(0.0 . 3.75))
-                            ((stencils
-                              . ,(make-central-column-hole-addresses
-                                    CENTRAL-COLUMN-HOLE-LIST))
-                             (xy-scale-function . (,identity . ,identity))
-                             (textual? . #f)
-                             (offset . (0.0 . 0.0)))
-                            ((stencils
-                              . ,(make-left-hand-key-addresses '(ees d f)))
-                             (xy-scale-function . (,return-1 . ,return-1))
-                             (textual? . #f)
-                             (offset . (1.5 . 6.8)))
-                            ,(simple-stencil-alist '(left-hand . front-f)
-                                                   '(0.0 . 7.35))
-                            ,(simple-stencil-alist '(left-hand . T)
-                                                   '(-2.2 . 6.5))
-                            ,(simple-stencil-alist '(left-hand . bes)
-                                                   '(0.0 . 6.2))
-                            ((stencils
-                              . ,(make-left-hand-key-addresses
-                                    '(gis cis b low-bes)))
-                             (xy-scale-function . (,return-1 . ,return-1))
-                             (textual? . #f)
-                             (offset . (1.2 . 3.5)))
-                            ((stencils
-                              . ,(make-right-hand-key-addresses '(e c bes)))
-                             (xy-scale-function . (,return-1 . ,return-1))
-                             (textual? . #f)
-                             (offset . (-2.3 . 3.4)))
-                            ,(simple-stencil-alist '(right-hand . high-fis)
-                                                   '(-1.8 . 2.5))
-                            ,(simple-stencil-alist '(right-hand . fis)
-                                                   '(-1.5 . 1.5))
-                            ((stencils
-                              . ,(make-right-hand-key-addresses '(ees low-c)))
-                             (xy-scale-function . (,return-1 . ,return-1))
-                             (textual? . #f)
-                             (offset . (-2.0 . 0.3))))))
-              (xy-scale-function . (,identity . ,identity))
-              (textual? . #f)
-              (offset . (0.0 . 0.0))))
-          (draw-instructions
-           . ((,apply-group-draw-rule-series
-                (,(make-left-hand-key-addresses '(ees d f))
-                 ,(make-left-hand-key-addresses '(gis cis b low-bes))
-                 ,(make-right-hand-key-addresses '(e c bes))
-                 ,(make-right-hand-key-addresses '(ees low-c))))
-              (,group-automate-rule
-                ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
-              (,group-automate-rule ((hidden . midline)))))
-          (extra-offset-instructions
-           . ((,rich-group-extra-offset-rule
-                ((left-hand . bes))
-                ,(append (assoc-get 'low-a-presence change-points)
-                         '((central-column . one)
-                           (left-hand . front-f)
-                           (left-hand . T)
-                           (left-hand . ees)
-                           (left-hand . d)
-                           (left-hand . f)))
-                (0.0 . 1.0))
-              (,uniform-extra-offset-rule (0.0 . 0.0))))))
-      (text-commands
-       . ((stencil-alist
-           . ((stencils
-               . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
-                  ((stencils
-                    . ,(make-central-column-hole-addresses
-                          CENTRAL-COLUMN-HOLE-LIST))
-                   (xy-scale-function . (,identity . ,identity))
-                   (textual? . #f)
-                   (offset . (0.0 . 0.0)))
-                  ,(simple-stencil-alist '(left-hand . T) '(-1.0 . 7.0))
-                  ((stencils
-                    . ,(assoc-get 'left-hand-key-names change-points))
-                   (textual? . ,lh-woodwind-text-stencil)
-                   (offset . (1.5 . 3.75)))
-                  ((stencils
-                    . ,(make-right-hand-key-addresses
-                          '(e c bes high-fis fis ees low-c)))
-                   (textual? . ,rh-woodwind-text-stencil)
-                   (offset . (-1.25 . 0.0)))))
-              (xy-scale-function . (,identity . ,identity))
-              (textual? . #f)
-              (offset . (0.0 . 0.0))))
-          (draw-instructions
-           . ((,apply-group-draw-rule-series
-                (,(make-left-hand-key-addresses
-                    '(ees d f front-f bes gis cis b low-bes))
-                 ,(make-right-hand-key-addresses
-                    '(e c bes high-fis fis ees low-c))))
-              (,group-automate-rule
-                 ,(make-central-column-hole-addresses
+      ((change-points
+        (get-named-spreadsheet-column
+         (saxophone-name-passerelle saxophone-name) saxophone-change-points)))
+    `(,saxophone-name
+      . ((keys
+          . ((hidden
+              . ((midline
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,midline-stencil)
+                     (text? . #f)
+                     (complexity . basic)))))
+             (central-column
+              . ((one
+                  . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . trill)))
+                 (two
+                  . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . trill)))
+                 (three
+                  . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . trill)))
+                 (four
+                  . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . trill)))
+                 (five
+                  . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . trill)))
+                 (six
+                  . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,column-circle-stencil)
+                     (text? . #f)
+                     (complexity . trill)))))
+             (left-hand
+              . ,(append (assoc-get 'low-a-key-definition change-points)
+                         `((T
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,saxophone-lh-T-key-stencil)
+                               (text? . ("T" . #f))
+                               (complexity . trill)))
+                           (ees
+                            . ((offset . (0.4 . 1.6))
+                               (stencil . ,saxophone-lh-ees-key-stencil)
+                               (text? . ("E" . 0))
+                               (complexity . trill)))
+                           (d
+                            . ((offset . (1.5 . 0.5))
+                               (stencil . ,saxophone-lh-d-key-stencil)
+                               (text? . ("D" . #f))
+                               (complexity . trill)))
+                           (f
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,saxophone-lh-f-key-stencil)
+                               (text? . ("F" . #f))
+                               (complexity . trill)))
+                           (front-f
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,saxophone-lh-front-f-key-stencil)
+                               (text? . ("f" . #f))
+                               (complexity . trill)))
+                           (bes
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,saxophone-lh-bes-key-stencil)
+                               (text? . ("B" . 0))
+                               (complexity . trill)))
+                           (gis
+                            . ((offset . (0.0 . 1.1))
+                               (stencil . ,saxophone-lh-gis-key-stencil)
+                               (text? . ("G" . 1))
+                               (complexity . trill)))
+                           (cis
+                            . ((offset . (2.4 . 0.0))
+                               (stencil . ,saxophone-lh-cis-key-stencil)
+                               (text? . ("C" . 1))
+                               (complexity . trill)))
+                           (b
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,saxophone-lh-b-key-stencil)
+                               (text? . ("B" . #f))
+                               (complexity . trill)))
+                           (low-bes
+                            . ((offset . (0.0 . -0.2))
+                               (stencil . ,saxophone-lh-low-bes-key-stencil)
+                               (text? . ("b" . 0))
+                               (complexity . trill))))))
+             (right-hand
+              . ((e
+                  . ((offset . (0.0 . 2.0))
+                     (stencil . ,saxophone-rh-e-key-stencil)
+                     (text? . ("E" . #f))
+                     (complexity . trill)))
+                 (c
+                  . ((offset . (0.0 . 0.9))
+                     (stencil . ,saxophone-rh-c-key-stencil)
+                     (text? . ("C" . #f))
+                     (complexity . trill)))
+                 (bes
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,saxophone-rh-bes-key-stencil)
+                     (text? . ("B" . 0))
+                     (complexity . trill)))
+                 (high-fis
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,saxophone-rh-high-fis-key-stencil)
+                     (text? . ("hF" . 1))
+                     (complexity . trill)))
+                 (fis
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,saxophone-rh-fis-key-stencil)
+                     (text? . ("F" . 1))
+                     (complexity . trill)))
+                 (ees
+                  . ((offset . (0.0 . 0.7))
+                     (stencil . ,saxophone-rh-ees-key-stencil)
+                     (text? . ("E" . 0))
+                     (complexity . trill)))
+                 (low-c
+                  . ((offset . (-1.2 . -0.1))
+                     (stencil . ,saxophone-rh-low-c-key-stencil)
+                     (text? . ("c" . #f))
+                     (complexity . trill)))))))
+         (graphical-commands
+          . ((stencil-alist
+              . ((stencils
+                  . ,(append (assoc-get 'low-a-key-group change-points)
+                             `(,(simple-stencil-alist '(hidden . midline)
+                                                      '(0.0 . 3.75))
+                               ((stencils
+                                 . ,(make-central-column-hole-addresses
+                                     CENTRAL-COLUMN-HOLE-LIST))
+                                (xy-scale-function . (,identity . ,identity))
+                                (textual? . #f)
+                                (offset . (0.0 . 0.0)))
+                               ((stencils
+                                 . ,(make-left-hand-key-addresses '(ees d f)))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (1.5 . 6.8)))
+                               ,(simple-stencil-alist '(left-hand . front-f)
+                                                      '(0.0 . 7.35))
+                               ,(simple-stencil-alist '(left-hand . T)
+                                                      '(-2.2 . 6.5))
+                               ,(simple-stencil-alist '(left-hand . bes)
+                                                      '(0.0 . 6.2))
+                               ((stencils
+                                 . ,(make-left-hand-key-addresses
+                                     '(gis cis b low-bes)))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (1.2 . 3.5)))
+                               ((stencils
+                                 . ,(make-right-hand-key-addresses '(e c bes)))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (-2.3 . 3.4)))
+                               ,(simple-stencil-alist '(right-hand . high-fis)
+                                                      '(-1.8 . 2.5))
+                               ,(simple-stencil-alist '(right-hand . fis)
+                                                      '(-1.5 . 1.5))
+                               ((stencils
+                                 . ,(make-right-hand-key-addresses '(ees low-c)))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (-2.0 . 0.3))))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,apply-group-draw-rule-series
+                  (,(make-left-hand-key-addresses '(ees d f))
+                   ,(make-left-hand-key-addresses '(gis cis b low-bes))
+                   ,(make-right-hand-key-addresses '(e c bes))
+                   ,(make-right-hand-key-addresses '(ees low-c))))
+                 (,group-automate-rule
+                  ,(make-central-column-hole-addresses CENTRAL-COLUMN-HOLE-LIST))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,rich-group-extra-offset-rule
+                  ((left-hand . bes))
+                  ,(append (assoc-get 'low-a-presence change-points)
+                           '((central-column . one)
+                             (left-hand . front-f)
+                             (left-hand . T)
+                             (left-hand . ees)
+                             (left-hand . d)
+                             (left-hand . f)))
+                  (0.0 . 1.0))
+                 (,uniform-extra-offset-rule (0.0 . 0.0))))))
+         (text-commands
+          . ((stencil-alist
+              . ((stencils
+                  . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
+                     ((stencils
+                       . ,(make-central-column-hole-addresses
+                           CENTRAL-COLUMN-HOLE-LIST))
+                      (xy-scale-function . (,identity . ,identity))
+                      (textual? . #f)
+                      (offset . (0.0 . 0.0)))
+                     ,(simple-stencil-alist '(left-hand . T) '(-1.0 . 7.0))
+                     ((stencils
+                       . ,(assoc-get 'left-hand-key-names change-points))
+                      (textual? . ,lh-woodwind-text-stencil)
+                      (offset . (1.5 . 3.75)))
+                     ((stencils
+                       . ,(make-right-hand-key-addresses
+                           '(e c bes high-fis fis ees low-c)))
+                      (textual? . ,rh-woodwind-text-stencil)
+                      (offset . (-1.25 . 0.0)))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,apply-group-draw-rule-series
+                  (,(make-left-hand-key-addresses
+                     '(ees d f front-f bes gis cis b low-bes))
+                   ,(make-right-hand-key-addresses
+                     '(e c bes high-fis fis ees low-c))))
+                 (,group-automate-rule
+                  ,(make-central-column-hole-addresses
                     CENTRAL-COLUMN-HOLE-LIST))
-              (,group-automate-rule ((hidden . midline)))))
-          (extra-offset-instructions
-           . ((,uniform-extra-offset-rule (0.0 . 0.0))))))))))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,uniform-extra-offset-rule (0.0 . 0.0))))))))))
 
 ;; Bassoon assembly instructions
 
 (define bassoon-change-points
   ((make-named-spreadsheet '(bassoon contrabassoon))
-    `((left-hand-additional-keys .
-      (((a .
-         ((offset . (0.0 . -0.3))
-         (stencil . ,bassoon-lh-a-flick-key-stencil)
-         (text? . ("A" . #f))
-         (complexity . trill)))
-        (w .
-         ((offset . (0.0 . 0.0))
-         (stencil . ,bassoon-lh-whisper-key-stencil)
-         (text? . ("w" . #f))
-         (complexity . trill))))
-        ()))
-      (right-hand-additional-keys .
-      (((cis .
-          ((offset . (0.0 . 0.0))
-          (stencil . ,bassoon-rh-cis-key-stencil)
-          (text? . ("C" . 1))
-          (complexity . trill)))
-        (thumb-gis .
-          ((offset . (0.0 . 0.0))
-          (stencil . ,bassoon-rh-thumb-gis-key-stencil)
-          (text? . ("G" . 1))
-          (complexity . trill))))
-        ()))
+   `((left-hand-additional-keys .
+                                (((a .
+                                     ((offset . (0.0 . -0.3))
+                                      (stencil . ,bassoon-lh-a-flick-key-stencil)
+                                      (text? . ("A" . #f))
+                                      (complexity . trill)))
+                                  (w .
+                                     ((offset . (0.0 . 0.0))
+                                      (stencil . ,bassoon-lh-whisper-key-stencil)
+                                      (text? . ("w" . #f))
+                                      (complexity . trill))))
+                                 ()))
+     (right-hand-additional-keys .
+                                 (((cis .
+                                        ((offset . (0.0 . 0.0))
+                                         (stencil . ,bassoon-rh-cis-key-stencil)
+                                         (text? . ("C" . 1))
+                                         (complexity . trill)))
+                                   (thumb-gis .
+                                              ((offset . (0.0 . 0.0))
+                                               (stencil . ,bassoon-rh-thumb-gis-key-stencil)
+                                               (text? . ("G" . 1))
+                                               (complexity . trill))))
+                                  ()))
      (left-hand-flick-group .
-       (((left-hand . d) (left-hand . c) (left-hand . a))
-         ((left-hand . d) (left-hand . c))))
+                            (((left-hand . d) (left-hand . c) (left-hand . a))
+                             ((left-hand . d) (left-hand . c))))
      (left-hand-thumb-group .
-       (((left-hand . w) (left-hand . thumb-cis))
-         ((left-hand . thumb-cis))))
+                            (((left-hand . w) (left-hand . thumb-cis))
+                             ((left-hand . thumb-cis))))
      (cis-offset-instruction .
-       (((,rich-group-extra-offset-rule
-         ((right-hand . cis))
-         ,(append
-           '((hidden . midline) (hidden . long-midline))
-           (make-central-column-hole-addresses '(three two one))
-           (make-left-hand-key-addresses
-            '(low-b low-bes low-c low-d d a c w thumb-cis
-              high-ees high-e cis ees)))
-         (0.0 . 0.9)))
-        ()))
+                             (((,rich-group-extra-offset-rule
+                                ((right-hand . cis))
+                                ,(append
+                                  '((hidden . midline) (hidden . long-midline))
+                                  (make-central-column-hole-addresses '(three two one))
+                                  (make-left-hand-key-addresses
+                                   '(low-b low-bes low-c low-d d a c w thumb-cis
+                                           high-ees high-e cis ees)))
+                                (0.0 . 0.9)))
+                              ()))
      (right-hand-lower-thumb-group .
-       (((right-hand . thumb-gis) (right-hand . thumb-fis))
-         ((right-hand . thumb-fis))))
+                                   (((right-hand . thumb-gis) (right-hand . thumb-fis))
+                                    ((right-hand . thumb-fis))))
      (right-hand-cis-key .
-       ((,(simple-stencil-alist '(right-hand . cis) '(-2.3 . 3.22)))
-         ()))
+                         ((,(simple-stencil-alist '(right-hand . cis) '(-2.3 . 3.22)))
+                          ()))
      (back-left-hand-key-addresses .
-      ((low-b low-bes low-c low-d d a c w thumb-cis)
-       (low-b low-bes low-c low-d d c thumb-cis)))
+                                   ((low-b low-bes low-c low-d d a c w thumb-cis)
+                                    (low-b low-bes low-c low-d d c thumb-cis)))
      (front-right-hand-key-addresses .
-      ((cis bes fis f gis) (bes fis f gis)))
+                                     ((cis bes fis f gis) (bes fis f gis)))
      (back-right-hand-key-addresses .
-      ((thumb-bes thumb-gis thumb-e thumb-fis)
-       (thumb-bes thumb-e thumb-fis))))))
+                                    ((thumb-bes thumb-gis thumb-e thumb-fis)
+                                     (thumb-bes thumb-e thumb-fis))))))
 
 (define (generate-bassoon-family-entry bassoon-name)
   (let*
-    ((change-points
-     (get-named-spreadsheet-column bassoon-name bassoon-change-points)))
-  `(,bassoon-name
-    . ((keys
-        . ((hidden
-            . ((midline
-                .  ((offset . (0.0 . 0.0))
-                    (stencil . ,midline-stencil)
-                    (text? . #f)
-                    (complexity . basic)))
-               (long-midline
-                . ((offset . (0.0 . 0.0))
-                   (stencil . ,long-midline-stencil)
-                   (text? . #f)
-                   (complexity . basic)))))
-           (central-column
-            . ((one
-                . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,bassoon-cc-one-key-stencil)
-                   (text? . #f)
-                   (complexity . trill)))
-               (two
-                . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (three
-                . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (four
-                . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (five
-                . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))
-               (six
-                . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
-                   (stencil . ,ring-column-circle-stencil)
-                   (text? . #f)
-                   (complexity . ring)))))
-           (left-hand
-            . ,(append (assoc-get 'left-hand-additional-keys
-                                  change-points)
-                       `((high-e
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,bassoon-lh-he-key-stencil)
-                             (text? . ("hE" . #f))
-                             (complexity . trill)))
-                         (high-ees
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,bassoon-lh-hees-key-stencil)
-                             (text? . ("hE" . 0))
-                             (complexity . trill)))
-                         (ees
-                          . ((offset . (-1.0 . 1.0))
-                             (stencil . ,bassoon-lh-ees-key-stencil)
-                             (text? . ("E" . 0))
-                             (complexity . trill)))
-                         (cis
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,bassoon-lh-cis-key-stencil)
-                             (text? . ("C" . 1))
-                             (complexity . trill)))
-                         (low-bes
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,bassoon-lh-lbes-key-stencil)
-                             (text? . ("b" . 0))
-                             (complexity . trill)))
-                         (low-b
-                          . ((offset . (-1.0 . -0.7))
-                             (stencil . ,bassoon-lh-lb-key-stencil)
-                             (text? . ("b" . #f))
-                             (complexity . trill)))
-                         (low-c
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,bassoon-lh-lc-key-stencil)
-                             (text? . ("c" . #f))
-                             (complexity . trill)))
-                         (low-d
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,bassoon-lh-ld-key-stencil)
-                             (text? . ("d" . #f))
-                             (complexity . trill)))
-                         (d
-                          . ((offset . (-1.5 . 2.0))
-                             (stencil . ,bassoon-lh-d-flick-key-stencil)
-                             (text? . ("D" . #f))
-                             (complexity . trill)))
-                         (c
-                          . ((offset . (-0.8 . 1.1))
-                             (stencil . ,bassoon-lh-c-flick-key-stencil)
-                             (text? . ("C" . #f))
-                             (complexity . trill)))
-                         (thumb-cis
-                          . ((offset . (2.0 . -1.0))
-                             (stencil . ,bassoon-lh-thumb-cis-key-stencil)
-                             (text? . ("C" . 1))
-                             (complexity . trill))))))
-           (right-hand
-            . ,(append (assoc-get 'right-hand-additional-keys
-                                  change-points)
-                       `((bes
-                          . ((offset . (0.0 . 0.8))
-                             (stencil . ,bassoon-rh-bes-key-stencil)
-                             (text? . ("B" . 0))
-                             (complexity . trill)))
-                         (f
-                          . ((offset . (-2.2 . 4.35))
-                             (stencil . ,bassoon-rh-f-key-stencil)
-                             (text? . ("F" . #f))
-                             (complexity . trill)))
-                         (fis
-                          . ((offset . (1.5 . 1.0))
-                             (stencil . ,bassoon-rh-fis-key-stencil)
-                             (text? . ("F" . 1))
-                             (complexity . trill)))
-                         (gis
-                          . ((offset . (0.0 . -0.15))
-                             (stencil . ,bassoon-rh-gis-key-stencil)
-                             (text? . ("G" . 1))
-                             (complexity . trill)))
-                         (thumb-bes
-                          . ((offset . (0.0 . 0.0))
-                             (stencil . ,bassoon-rh-thumb-bes-key-stencil)
-                             (text? . ("B" . 0))
-                             (complexity . trill)))
-                         (thumb-e
-                          . ((offset . (1.75 . 0.4))
-                             (stencil . ,bassoon-rh-thumb-e-key-stencil)
-                             (text? . ("E" . #f))
-                             (complexity . trill)))
-                         (thumb-fis
-                          . ((offset . (-1.0 . 1.6))
-                             (stencil . ,bassoon-rh-thumb-fis-key-stencil)
-                             (text? . ("F" . 1))
-                             (complexity . trill))))))))
-       (graphical-commands
-        . ((stencil-alist
-            . ((stencils
-                . ,(append (assoc-get 'right-hand-cis-key change-points)
-                           `(,(simple-stencil-alist '(hidden . midline)
-                                                    '(0.0 . 3.75))
-                             ,(simple-stencil-alist '(hidden . long-midline)
-                                                    '(0.0 . 3.80))
-                             ((stencils
-                               . ,(make-central-column-hole-addresses
+      ((change-points
+        (get-named-spreadsheet-column bassoon-name bassoon-change-points)))
+    `(,bassoon-name
+      . ((keys
+          . ((hidden
+              . ((midline
+                  .  ((offset . (0.0 . 0.0))
+                      (stencil . ,midline-stencil)
+                      (text? . #f)
+                      (complexity . basic)))
+                 (long-midline
+                  . ((offset . (0.0 . 0.0))
+                     (stencil . ,long-midline-stencil)
+                     (text? . #f)
+                     (complexity . basic)))))
+             (central-column
+              . ((one
+                  . ((offset . ,(assoc-get 'one CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,bassoon-cc-one-key-stencil)
+                     (text? . #f)
+                     (complexity . trill)))
+                 (two
+                  . ((offset . ,(assoc-get 'two CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (three
+                  . ((offset . ,(assoc-get 'three CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (four
+                  . ((offset . ,(assoc-get 'four CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (five
+                  . ((offset . ,(assoc-get 'five CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))
+                 (six
+                  . ((offset . ,(assoc-get 'six CENTRAL-COLUMN-HOLE-PLACEMENTS))
+                     (stencil . ,ring-column-circle-stencil)
+                     (text? . #f)
+                     (complexity . ring)))))
+             (left-hand
+              . ,(append (assoc-get 'left-hand-additional-keys
+                                    change-points)
+                         `((high-e
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,bassoon-lh-he-key-stencil)
+                               (text? . ("hE" . #f))
+                               (complexity . trill)))
+                           (high-ees
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,bassoon-lh-hees-key-stencil)
+                               (text? . ("hE" . 0))
+                               (complexity . trill)))
+                           (ees
+                            . ((offset . (-1.0 . 1.0))
+                               (stencil . ,bassoon-lh-ees-key-stencil)
+                               (text? . ("E" . 0))
+                               (complexity . trill)))
+                           (cis
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,bassoon-lh-cis-key-stencil)
+                               (text? . ("C" . 1))
+                               (complexity . trill)))
+                           (low-bes
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,bassoon-lh-lbes-key-stencil)
+                               (text? . ("b" . 0))
+                               (complexity . trill)))
+                           (low-b
+                            . ((offset . (-1.0 . -0.7))
+                               (stencil . ,bassoon-lh-lb-key-stencil)
+                               (text? . ("b" . #f))
+                               (complexity . trill)))
+                           (low-c
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,bassoon-lh-lc-key-stencil)
+                               (text? . ("c" . #f))
+                               (complexity . trill)))
+                           (low-d
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,bassoon-lh-ld-key-stencil)
+                               (text? . ("d" . #f))
+                               (complexity . trill)))
+                           (d
+                            . ((offset . (-1.5 . 2.0))
+                               (stencil . ,bassoon-lh-d-flick-key-stencil)
+                               (text? . ("D" . #f))
+                               (complexity . trill)))
+                           (c
+                            . ((offset . (-0.8 . 1.1))
+                               (stencil . ,bassoon-lh-c-flick-key-stencil)
+                               (text? . ("C" . #f))
+                               (complexity . trill)))
+                           (thumb-cis
+                            . ((offset . (2.0 . -1.0))
+                               (stencil . ,bassoon-lh-thumb-cis-key-stencil)
+                               (text? . ("C" . 1))
+                               (complexity . trill))))))
+             (right-hand
+              . ,(append (assoc-get 'right-hand-additional-keys
+                                    change-points)
+                         `((bes
+                            . ((offset . (0.0 . 0.8))
+                               (stencil . ,bassoon-rh-bes-key-stencil)
+                               (text? . ("B" . 0))
+                               (complexity . trill)))
+                           (f
+                            . ((offset . (-2.2 . 4.35))
+                               (stencil . ,bassoon-rh-f-key-stencil)
+                               (text? . ("F" . #f))
+                               (complexity . trill)))
+                           (fis
+                            . ((offset . (1.5 . 1.0))
+                               (stencil . ,bassoon-rh-fis-key-stencil)
+                               (text? . ("F" . 1))
+                               (complexity . trill)))
+                           (gis
+                            . ((offset . (0.0 . -0.15))
+                               (stencil . ,bassoon-rh-gis-key-stencil)
+                               (text? . ("G" . 1))
+                               (complexity . trill)))
+                           (thumb-bes
+                            . ((offset . (0.0 . 0.0))
+                               (stencil . ,bassoon-rh-thumb-bes-key-stencil)
+                               (text? . ("B" . 0))
+                               (complexity . trill)))
+                           (thumb-e
+                            . ((offset . (1.75 . 0.4))
+                               (stencil . ,bassoon-rh-thumb-e-key-stencil)
+                               (text? . ("E" . #f))
+                               (complexity . trill)))
+                           (thumb-fis
+                            . ((offset . (-1.0 . 1.6))
+                               (stencil . ,bassoon-rh-thumb-fis-key-stencil)
+                               (text? . ("F" . 1))
+                               (complexity . trill))))))))
+         (graphical-commands
+          . ((stencil-alist
+              . ((stencils
+                  . ,(append (assoc-get 'right-hand-cis-key change-points)
+                             `(,(simple-stencil-alist '(hidden . midline)
+                                                      '(0.0 . 3.75))
+                               ,(simple-stencil-alist '(hidden . long-midline)
+                                                      '(0.0 . 3.80))
+                               ((stencils
+                                 . ,(make-central-column-hole-addresses
                                      CENTRAL-COLUMN-HOLE-LIST))
-                              (xy-scale-function . (,identity . ,identity))
-                              (textual? . #f)
-                              (offset . (0.0 . 0.0)))
-                             ,(simple-stencil-alist '(left-hand . high-e)
-                                                    '(-1.0 . 7.0))
-                             ,(simple-stencil-alist '(left-hand . high-ees)
-                                                    '(-1.0 . 6.0))
-                             ((stencils
-                               . ((left-hand . ees) (left-hand . cis)))
-                              (xy-scale-function . (,return-1 . ,return-1))
-                              (textual? . #f)
-                              (offset . (3.0 . 3.75)))
-                             ((stencils
-                               . (((stencils
-                                    . ((left-hand . low-b)
-                                       (left-hand . low-bes)))
-                                   (xy-scale-function
-                                    . (,return-1 . ,return-1))
-                                   (textual? . #f)
-                                   (offset . (-2.0 . 9.0)))
-                                  ((stencils
-                                    . ,(assoc-get 'left-hand-flick-group
-                                                  change-points))
-                                   (xy-scale-function
-                                    . (,return-1 . ,return-1))
-                                   (textual? . #f)
-                                   (offset . (3.0 . 7.0)))
-                                  ,(simple-stencil-alist '(left-hand . low-c)
-                                                         '(-1.0 . 4.5))
-                                  ,(simple-stencil-alist '(left-hand . low-d)
-                                                         '(-1.0 . 0.1))
-                                  ((stencils
-                                    . ,(assoc-get 'left-hand-thumb-group
-                                                  change-points))
-                                   (xy-scale-function
-                                    . (,return-1 . ,return-1))
-                                   (textual? . #f)
-                                   (offset . (1.5 . -0.6)))))
-                              (xy-scale-function . (,return-1 . ,return-1))
-                              (textual? . #f)
-                              (offset . (-5.5 . 4.7)))
-                             ,(simple-stencil-alist '(right-hand . bes)
-                                                    '(1.0 . 1.2))
-                             ((stencils
-                               . ,(make-right-hand-key-addresses '(gis f fis)))
-                              (xy-scale-function . (,return-1 . ,return-1))
-                              (textual? . #f)
-                              (offset . (2.0 . -1.25)))
-                             ((stencils
-                               . (((stencils
-                                    . ((right-hand . thumb-bes)
-                                       (right-hand . thumb-e)))
-                                   (xy-scale-function
-                                    . (,return-1 . ,return-1))
-                                   (textual? . #f)
-                                   (offset . (-1.22 . 5.25)))
-                                  ((stencils
-                                    . ,(assoc-get 'right-hand-lower-thumb-group
-                                                  change-points))
-                                   (xy-scale-function
-                                    . (,return-1 . ,return-1))
-                                   (textual? . #f)
-                                   (offset . (0.0 . 0.0)))))
-                              (xy-scale-function
-                               . (,return-1 . ,return-1))
-                              (textual? . #f)
-                              (offset . (-5.0 . 0.0))))))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0))))
-           (draw-instructions
-            . ((,apply-group-draw-rule-series
-                (,(make-left-hand-key-addresses '(ees cis))
-                 ,(make-left-hand-key-addresses
-                 (assoc-get 'back-left-hand-key-addresses change-points))
-                 ,(make-right-hand-key-addresses '(f fis gis))
-                 ,(make-right-hand-key-addresses
-                 (assoc-get 'back-right-hand-key-addresses change-points))))
-               (,group-automate-rule
-                ,(make-central-column-hole-addresses
-                  CENTRAL-COLUMN-HOLE-LIST))
-               (,bassoon-midline-rule
+                                (xy-scale-function . (,identity . ,identity))
+                                (textual? . #f)
+                                (offset . (0.0 . 0.0)))
+                               ,(simple-stencil-alist '(left-hand . high-e)
+                                                      '(-1.0 . 7.0))
+                               ,(simple-stencil-alist '(left-hand . high-ees)
+                                                      '(-1.0 . 6.0))
+                               ((stencils
+                                 . ((left-hand . ees) (left-hand . cis)))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (3.0 . 3.75)))
+                               ((stencils
+                                 . (((stencils
+                                      . ((left-hand . low-b)
+                                         (left-hand . low-bes)))
+                                     (xy-scale-function
+                                      . (,return-1 . ,return-1))
+                                     (textual? . #f)
+                                     (offset . (-2.0 . 9.0)))
+                                    ((stencils
+                                      . ,(assoc-get 'left-hand-flick-group
+                                                    change-points))
+                                     (xy-scale-function
+                                      . (,return-1 . ,return-1))
+                                     (textual? . #f)
+                                     (offset . (3.0 . 7.0)))
+                                    ,(simple-stencil-alist '(left-hand . low-c)
+                                                           '(-1.0 . 4.5))
+                                    ,(simple-stencil-alist '(left-hand . low-d)
+                                                           '(-1.0 . 0.1))
+                                    ((stencils
+                                      . ,(assoc-get 'left-hand-thumb-group
+                                                    change-points))
+                                     (xy-scale-function
+                                      . (,return-1 . ,return-1))
+                                     (textual? . #f)
+                                     (offset . (1.5 . -0.6)))))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (-5.5 . 4.7)))
+                               ,(simple-stencil-alist '(right-hand . bes)
+                                                      '(1.0 . 1.2))
+                               ((stencils
+                                 . ,(make-right-hand-key-addresses '(gis f fis)))
+                                (xy-scale-function . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (2.0 . -1.25)))
+                               ((stencils
+                                 . (((stencils
+                                      . ((right-hand . thumb-bes)
+                                         (right-hand . thumb-e)))
+                                     (xy-scale-function
+                                      . (,return-1 . ,return-1))
+                                     (textual? . #f)
+                                     (offset . (-1.22 . 5.25)))
+                                    ((stencils
+                                      . ,(assoc-get 'right-hand-lower-thumb-group
+                                                    change-points))
+                                     (xy-scale-function
+                                      . (,return-1 . ,return-1))
+                                     (textual? . #f)
+                                     (offset . (0.0 . 0.0)))))
+                                (xy-scale-function
+                                 . (,return-1 . ,return-1))
+                                (textual? . #f)
+                                (offset . (-5.0 . 0.0))))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,apply-group-draw-rule-series
+                  (,(make-left-hand-key-addresses '(ees cis))
+                   ,(make-left-hand-key-addresses
+                     (assoc-get 'back-left-hand-key-addresses change-points))
+                   ,(make-right-hand-key-addresses '(f fis gis))
+                   ,(make-right-hand-key-addresses
+                     (assoc-get 'back-right-hand-key-addresses change-points))))
+                 (,group-automate-rule
+                  ,(make-central-column-hole-addresses
+                    CENTRAL-COLUMN-HOLE-LIST))
+                 (,bassoon-midline-rule
                   ,(append
-                     (make-left-hand-key-addresses
-                       (assoc-get 'back-left-hand-key-addresses change-points))
-                     (make-right-hand-key-addresses
-                        (assoc-get 'back-right-hand-key-addresses
-                                   change-points))))))
-           (extra-offset-instructions
-            . ,(append
-                 (assoc-get 'cis-offset-instruction change-points)
-                 `((,uniform-extra-offset-rule (0.0 . 0.0)))))))
-       (text-commands
-        . ((stencil-alist
-            . ((stencils
-                . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
-                   ((stencils
-                     . ,(make-central-column-hole-addresses
-                         CENTRAL-COLUMN-HOLE-LIST))
-                    (xy-scale-function . (,identity . ,identity))
-                    (textual? . #f)
-                    (offset . (0.0 . 0.0)))
-                   ((stencils
-                     . ,(make-left-hand-key-addresses
+                    (make-left-hand-key-addresses
+                     (assoc-get 'back-left-hand-key-addresses change-points))
+                    (make-right-hand-key-addresses
+                     (assoc-get 'back-right-hand-key-addresses
+                                change-points))))))
+             (extra-offset-instructions
+              . ,(append
+                  (assoc-get 'cis-offset-instruction change-points)
+                  `((,uniform-extra-offset-rule (0.0 . 0.0)))))))
+         (text-commands
+          . ((stencil-alist
+              . ((stencils
+                  . (,(simple-stencil-alist '(hidden . midline) '(0.0 . 3.75))
+                     ((stencils
+                       . ,(make-central-column-hole-addresses
+                           CENTRAL-COLUMN-HOLE-LIST))
+                      (xy-scale-function . (,identity . ,identity))
+                      (textual? . #f)
+                      (offset . (0.0 . 0.0)))
+                     ((stencils
+                       . ,(make-left-hand-key-addresses
                            '(high-e high-ees ees cis)))
-                    (textual? . ,lh-woodwind-text-stencil)
-                    (offset . (1.5 . 3.75)))
-                   ((stencils
-                     . ,(make-left-hand-key-addresses
-                          (assoc-get 'back-left-hand-key-addresses
-                                     change-points)))
-                    (textual? . ,rh-woodwind-text-stencil)
-                    (offset . (-1.25 . 3.75)))
-                   ((stencils
-                     . ,(make-right-hand-key-addresses
-                          (assoc-get 'front-right-hand-key-addresses
-                                     change-points)))
-                    (textual? . ,lh-woodwind-text-stencil)
-                    (offset . (1.5 . 0.0)))
-                   ((stencils .
-                     ,(make-right-hand-key-addresses
-                       (assoc-get 'back-right-hand-key-addresses
-                                  change-points)))
-                    (textual? . ,rh-woodwind-text-stencil)
-                    (offset . (-1.25 . 0.0)))))
-               (xy-scale-function . (,identity . ,identity))
-               (textual? . #f)
-               (offset . (0.0 . 0.0))))
-           (draw-instructions
-            . ((,apply-group-draw-rule-series
-                 (,(make-left-hand-key-addresses
+                      (textual? . ,lh-woodwind-text-stencil)
+                      (offset . (1.5 . 3.75)))
+                     ((stencils
+                       . ,(make-left-hand-key-addresses
+                           (assoc-get 'back-left-hand-key-addresses
+                                      change-points)))
+                      (textual? . ,rh-woodwind-text-stencil)
+                      (offset . (-1.25 . 3.75)))
+                     ((stencils
+                       . ,(make-right-hand-key-addresses
+                           (assoc-get 'front-right-hand-key-addresses
+                                      change-points)))
+                      (textual? . ,lh-woodwind-text-stencil)
+                      (offset . (1.5 . 0.0)))
+                     ((stencils .
+                                ,(make-right-hand-key-addresses
+                                  (assoc-get 'back-right-hand-key-addresses
+                                             change-points)))
+                      (textual? . ,rh-woodwind-text-stencil)
+                      (offset . (-1.25 . 0.0)))))
+                 (xy-scale-function . (,identity . ,identity))
+                 (textual? . #f)
+                 (offset . (0.0 . 0.0))))
+             (draw-instructions
+              . ((,apply-group-draw-rule-series
+                  (,(make-left-hand-key-addresses
                      (assoc-get 'back-left-hand-key-addresses change-points))
-                  ,(make-right-hand-key-addresses
+                   ,(make-right-hand-key-addresses
                      (assoc-get 'front-right-hand-key-addresses change-points))
-                  ,(make-right-hand-key-addresses
-                      (assoc-get 'back-right-hand-key-addresses change-points))
-                  ,(make-left-hand-key-addresses '(high-e high-ees ees cis))))
-               (,group-automate-rule
-                 ,(make-central-column-hole-addresses
-                     CENTRAL-COLUMN-HOLE-LIST))
-               (,group-automate-rule ((hidden . midline)))))
-           (extra-offset-instructions
-            . ((,uniform-extra-offset-rule (0.0 . 0.0))))))))))
+                   ,(make-right-hand-key-addresses
+                     (assoc-get 'back-right-hand-key-addresses change-points))
+                   ,(make-left-hand-key-addresses '(high-e high-ees ees cis))))
+                 (,group-automate-rule
+                  ,(make-central-column-hole-addresses
+                    CENTRAL-COLUMN-HOLE-LIST))
+                 (,group-automate-rule ((hidden . midline)))))
+             (extra-offset-instructions
+              . ((,uniform-extra-offset-rule (0.0 . 0.0))))))))))
 
 ;; Assembly functions
 
@@ -1650,60 +1650,60 @@
 
 (define (translate-key-instruction key-instruction)
   (let*
-    ((key-name (car key-instruction))
-    (key-complexity (assoc-get 'complexity (cdr key-instruction))))
-   (cond
-    ((eqv? key-complexity 'basic)
+      ((key-name (car key-instruction))
+       (key-complexity (assoc-get 'complexity (cdr key-instruction))))
+    (cond
+     ((eqv? key-complexity 'basic)
       `((,key-name . ,(assoc-get 'F HOLE-FILL-LIST))))
-    ((eqv? key-complexity 'trill)
-       (make-symbol-alist key-name #t #f))
-    ((eqv? key-complexity 'covered)
-       (make-symbol-alist key-name #f #f))
-    ((eqv? key-complexity 'ring)
-       (make-symbol-alist key-name #f #t)))))
+     ((eqv? key-complexity 'trill)
+      (make-symbol-alist key-name #t #f))
+     ((eqv? key-complexity 'covered)
+      (make-symbol-alist key-name #f #f))
+     ((eqv? key-complexity 'ring)
+      (make-symbol-alist key-name #f #t)))))
 
 (define (update-possb-list input-key possibility-list canonic-list)
   (if (null? possibility-list)
-    (ly:error "woodwind markup error - invalid key or hole requested")
-    (if
-      (assoc-get input-key (cdar possibility-list))
-      (append
+      (ly:error "woodwind markup error - invalid key or hole requested")
+      (if
+       (assoc-get input-key (cdar possibility-list))
+       (append
         `(((,(caaar possibility-list) .
             ,(assoc-get input-key (cdar possibility-list))) .
-           ,(assoc-get (caar possibility-list) canonic-list)))
-          (assoc-remove (caar possibility-list) canonic-list))
-      (update-possb-list input-key (cdr possibility-list) canonic-list))))
+            ,(assoc-get (caar possibility-list) canonic-list)))
+        (assoc-remove (caar possibility-list) canonic-list))
+       (update-possb-list input-key (cdr possibility-list) canonic-list))))
 
 (define (key-crawler input-list possibility-list)
   (if (null? input-list)
-    (map car possibility-list)
-    (key-crawler
-      (cdr input-list)
-      (update-possb-list
+      (map car possibility-list)
+      (key-crawler
+       (cdr input-list)
+       (update-possb-list
         (car input-list)
         possibility-list
         possibility-list))))
 
 (define (translate-draw-instructions input-alist key-name-alist)
   (apply append
-    (map (lambda (short long)
-           (let*
-             ((key-instructions
-               (map (lambda (instr)
-                      `(((,long . ,(car instr)) . 0)
-                        . ,(translate-key-instruction instr)))
-                    (assoc-get long key-name-alist))))
-            (key-crawler (assoc-get short input-alist) key-instructions)))
-         '(hd cc lh rh)
-         '(hidden central-column left-hand right-hand))))
+         (map (lambda (short long)
+                (let*
+                    ((key-instructions
+                      (map (lambda (instr)
+                             `(((,long . ,(car instr)) . 0)
+                               . ,(translate-key-instruction instr)))
+                           (assoc-get long key-name-alist))))
+                  (key-crawler (assoc-get short input-alist) key-instructions)))
+              '(hd cc lh rh)
+              '(hidden central-column left-hand right-hand))))
 
 (define (uniform-draw-instructions key-name-alist)
-    (apply append
-      (map (lambda (long)
-             (map (lambda (key-instructions)
-                    `((,long . ,(car key-instructions)) . 1))
-                  (assoc-get long key-name-alist)))
-           '(hidden central-column left-hand right-hand))))
+  (apply append
+         (map (lambda (long)
+                (map (lambda (key-instructions)
+                       `((,long . ,(car key-instructions)) . 1))
+                     (assoc-get long key-name-alist)))
+              '(hidden central-column left-hand right-hand))))
 
 (define (list-all-possible-keys key-name-alist)
   (map (lambda (short long)
@@ -1756,94 +1756,94 @@
 
 (define
   (assemble-stencils
-    stencil-alist
-    key-bank
-    draw-instructions
-    extra-offset-instructions
-    radius
-    thick
-    xy-stretch
-    layout
-    props)
+   stencil-alist
+   key-bank
+   draw-instructions
+   extra-offset-instructions
+   radius
+   thick
+   xy-stretch
+   layout
+   props)
   (apply
-    ly:stencil-add
-    (map (lambda (node)
-           (ly:stencil-translate
-             (if (pair? (cdr node))
-                 (if (assoc-get 'textual? node)
-                     ((assoc-get 'textual? node) (map (lambda (key)
-                                                        (assoc-get 'text? key))
-                                                      (map (lambda (instr)
-                                                             (get-key
-                                                               instr
-                                                               key-bank))
-                                                 (assoc-get 'stencils node)))
-                                                 radius
-                                                 (map (lambda (key)
-                                                        (assoc-get
-                                                          key
-                                                          draw-instructions))
-                                                      (assoc-get 'stencils
-                                                                 node))
-                                                 layout
-                                                 props)
-                     (assemble-stencils
-                       node
-                       key-bank
-                       draw-instructions
-                       extra-offset-instructions
-                       radius
-                       thick
-                       (coord-apply (assoc-get 'xy-scale-function stencil-alist)
-                                    xy-stretch)
-                       layout
-                       props))
+   ly:stencil-add
+   (map (lambda (node)
+          (ly:stencil-translate
+           (if (pair? (cdr node))
+               (if (assoc-get 'textual? node)
+                   ((assoc-get 'textual? node) (map (lambda (key)
+                                                      (assoc-get 'text? key))
+                                                    (map (lambda (instr)
+                                                           (get-key
+                                                            instr
+                                                            key-bank))
+                                                         (assoc-get 'stencils node)))
+                    radius
+                    (map (lambda (key)
+                           (assoc-get
+                            key
+                            draw-instructions))
+                         (assoc-get 'stencils
+                                    node))
+                    layout
+                    props)
+                   (assemble-stencils
+                    node
+                    key-bank
+                    draw-instructions
+                    extra-offset-instructions
+                    radius
+                    thick
+                    (coord-apply (assoc-get 'xy-scale-function stencil-alist)
+                                 xy-stretch)
+                    layout
+                    props))
                (if (= 0 (assoc-get node draw-instructions))
                    empty-stencil
                    ((assoc-get 'stencil (get-key node key-bank))
-                     radius
-                     thick
-                     (assoc-get node draw-instructions)
-                     layout
-                     props)))
+                    radius
+                    thick
+                    (assoc-get node draw-instructions)
+                    layout
+                    props)))
+           (coord-scale
+            (coord-translate
              (coord-scale
-               (coord-translate
-                 (coord-scale
-                   (assoc-get
-                     'offset
-                     (if (pair? (cdr node))
-                       node
-                       (get-key node key-bank)))
-                   (coord-apply
-                     (assoc-get 'xy-scale-function stencil-alist)
-                     xy-stretch))
-                 (if
-                   (assoc-get node extra-offset-instructions)
-                   (assoc-get node extra-offset-instructions)
-                   '(0.0 . 0.0)))
-               radius)))
-         (assoc-get 'stencils stencil-alist))))
+              (assoc-get
+               'offset
+               (if (pair? (cdr node))
+                   node
+                   (get-key node key-bank)))
+              (coord-apply
+               (assoc-get 'xy-scale-function stencil-alist)
+               xy-stretch))
+             (if
+              (assoc-get node extra-offset-instructions)
+              (assoc-get node extra-offset-instructions)
+              '(0.0 . 0.0)))
+            radius)))
+        (assoc-get 'stencils stencil-alist))))
 
 (define*-public (print-keys instrument #:optional (port (current-output-port)))
   (format port "\nPrinting keys for: ~a\n" instrument)
   (let ((chosen-instrument (assoc-get instrument woodwind-data-alist)))
-    (do	((key-list
-	  (list-all-possible-keys (assoc-get 'keys chosen-instrument))
-	  (cdr key-list)))
-	((null? key-list))
+    (do ((key-list
+          (list-all-possible-keys (assoc-get 'keys chosen-instrument))
+          (cdr key-list)))
+        ((null? key-list))
       (format port "~a\n   ~a\n" (caar key-list) (cdar key-list)))))
 
 (define-public (get-woodwind-key-list instrument)
   (list-all-possible-keys-verbose
-    (assoc-get
-      'keys
-      (assoc-get instrument woodwind-data-alist))))
+   (assoc-get
+    'keys
+    (assoc-get instrument woodwind-data-alist))))
 
 (define*-public (print-keys-verbose instrument
-				    #:optional (port (current-output-port)))
+                                    #:optional (port (current-output-port)))
   (format port "\nPrinting keys in verbose mode for: ~a\n" instrument)
   (do ((key-list (get-woodwind-key-list instrument)
-		 (cdr key-list)))
+                 (cdr key-list)))
       ((null? key-list))
     (format port "~a\n" (caar key-list))
     (for-each
@@ -1945,35 +1945,35 @@ a diagram with all of the keys drawn but none filled, for example:
           (xy-stretch `(1.0 . 2.5))
           (chosen-instrument (assoc-get instrument woodwind-data-alist))
           (chosen-instrument
-            (if (not chosen-instrument)
-                (ly:error "~a is not a valid woodwind instrument."
-                          instrument)
-                chosen-instrument))
+           (if (not chosen-instrument)
+               (ly:error "~a is not a valid woodwind instrument."
+                         instrument)
+               chosen-instrument))
           (stencil-info
-            (assoc-get
-              (if display-graphic 'graphical-commands 'text-commands)
-              chosen-instrument))
+           (assoc-get
+            (if display-graphic 'graphical-commands 'text-commands)
+            chosen-instrument))
           (pressed-info
-            (if (null? user-draw-commands)
-                (uniform-draw-instructions (assoc-get 'keys chosen-instrument))
-                (translate-draw-instructions
-                  (append '((hd . ())) user-draw-commands)
-                  (assoc-get 'keys chosen-instrument))))
+           (if (null? user-draw-commands)
+               (uniform-draw-instructions (assoc-get 'keys chosen-instrument))
+               (translate-draw-instructions
+                (append '((hd . ())) user-draw-commands)
+                (assoc-get 'keys chosen-instrument))))
           (draw-info
-            (function-chain
-              pressed-info
-              (assoc-get 'draw-instructions stencil-info)))
+           (function-chain
+            pressed-info
+            (assoc-get 'draw-instructions stencil-info)))
           (extra-offset-info
-            (function-chain
-              pressed-info
-              (assoc-get 'extra-offset-instructions stencil-info))))
+           (function-chain
+            pressed-info
+            (assoc-get 'extra-offset-instructions stencil-info))))
     (assemble-stencils
-      (assoc-get 'stencil-alist stencil-info)
-      (assoc-get 'keys chosen-instrument)
-      draw-info
-      extra-offset-info
-      radius
-      thick
-      xy-stretch
-      layout
-      props)))
+     (assoc-get 'stencil-alist stencil-info)
+     (assoc-get 'keys chosen-instrument)
+     draw-info
+     extra-offset-info
+     radius
+     thick
+     xy-stretch
+     layout
+     props)))
diff --git a/scm/document-backend.scm b/scm/document-backend.scm
index 71ba5a274f..a4c25cfe3c 100644
--- a/scm/document-backend.scm
+++ b/scm/document-backend.scm
@@ -25,95 +25,95 @@
 ;; properly sort all grobs, properties, and interfaces
 ;; within the all-grob-descriptions alist
 (map
-  (lambda (x)
-    (let* ((props      (assoc-ref all-grob-descriptions (car x)))
-           (meta       (assoc-ref props 'meta))
-           (interfaces (assoc-ref meta 'interfaces)))
-      (set! all-grob-descriptions
-        (sort (assoc-set! all-grob-descriptions (car x)
-               (sort-grob-properties
-                (assoc-set! props 'meta
-                 (assoc-set! meta 'interfaces
-                  (sort interfaces ly:symbol-ci<?)))))
-              ly:alist-ci<?))))
-  all-grob-descriptions)
+ (lambda (x)
+   (let* ((props      (assoc-ref all-grob-descriptions (car x)))
+          (meta       (assoc-ref props 'meta))
+          (interfaces (assoc-ref meta 'interfaces)))
+     (set! all-grob-descriptions
+           (sort (assoc-set! all-grob-descriptions (car x)
+                             (sort-grob-properties
+                              (assoc-set! props 'meta
+                                          (assoc-set! meta 'interfaces
+                                                      (sort interfaces ly:symbol-ci<?)))))
+                 ly:alist-ci<?))))
+ all-grob-descriptions)
 
 (define (interface-doc-string interface grob-description)
   (let* ((name (car interface))
-	 (desc (cadr interface))
-	 (props (caddr interface))
-	 (docfunc (lambda (pr)
-		    (property->texi
-		     'backend pr grob-description)))
-	 (iprops (filter (lambda (x) (object-property x 'backend-internal))
-			 props))
-	 (uprops (filter
-		  (lambda (x) (not (object-property x 'backend-internal)))
-		  props))
-	 (user-propdocs (map docfunc uprops))
-	 (internal-propdocs (map docfunc iprops)))
+         (desc (cadr interface))
+         (props (caddr interface))
+         (docfunc (lambda (pr)
+                    (property->texi
+                     'backend pr grob-description)))
+         (iprops (filter (lambda (x) (object-property x 'backend-internal))
+                         props))
+         (uprops (filter
+                  (lambda (x) (not (object-property x 'backend-internal)))
+                  props))
+         (user-propdocs (map docfunc uprops))
+         (internal-propdocs (map docfunc iprops)))
 
     (string-append
      desc
 
      (if (pair? uprops)
-	 (string-append
-	  "\n\n@subsubheading User settable properties:\n"
-	  (description-list->texi user-propdocs #t))
-	 "")
+         (string-append
+          "\n\n@subsubheading User settable properties:\n"
+          (description-list->texi user-propdocs #t))
+         "")
 
      (if (pair? iprops)
-	 (string-append
-	  "\n\n@subsubheading Internal properties:\n"
-	  (description-list->texi internal-propdocs #t))
-	 ""))))
+         (string-append
+          "\n\n@subsubheading Internal properties:\n"
+          (description-list->texi internal-propdocs #t))
+         ""))))
 
 (define iface->grob-table (make-hash-table 61))
 ;; extract ifaces, and put grob into the hash table.
 (map
  (lambda (x)
    (let* ((meta (assoc-get 'meta (cdr x)))
-	  (ifaces (assoc-get 'interfaces meta)))
+          (ifaces (assoc-get 'interfaces meta)))
 
      (map (lambda (iface)
-	    (hashq-set!
-	     iface->grob-table iface
-	     (cons (car x)
-		   (hashq-ref iface->grob-table iface '()))))
-	  ifaces)))
+            (hashq-set!
+             iface->grob-table iface
+             (cons (car x)
+                   (hashq-ref iface->grob-table iface '()))))
+          ifaces)))
  all-grob-descriptions)
 
 ;; First level Interface description
 (define (interface-doc interface)
   (let* ((name (symbol->string (car interface)))
-	 (interface-list (human-listify
-			  (map ref-ify
-			       (sort
-				(map symbol->string
-				     (hashq-ref iface->grob-table
-						(car interface)
-						'()))
-				ly:string-ci<?)))))
+         (interface-list (human-listify
+                          (map ref-ify
+                               (sort
+                                (map symbol->string
+                                     (hashq-ref iface->grob-table
+                                                (car interface)
+                                                '()))
+                                ly:string-ci<?)))))
     (make <texi-node>
       #:name name
       #:text (string-append
-	      (interface-doc-string (cdr interface) '())
-	      "\n\n"
-	      "This grob interface "
-	      (if (equal? interface-list "none")
-		  "is not used in any graphical object"
-		  (string-append
-		   "is used in the following graphical object(s): "
-		   interface-list))
-	      "."))))
+              (interface-doc-string (cdr interface) '())
+              "\n\n"
+              "This grob interface "
+              (if (equal? interface-list "none")
+                  "is not used in any graphical object"
+                  (string-append
+                   "is used in the following graphical object(s): "
+                   interface-list))
+              "."))))
 
 (define (grob-alist->texi alist)
   (let* ((uprops (filter (lambda (x) (not (object-property x 'backend-internal)))
-			 (map car alist))))
+                         (map car alist))))
 
     (description-list->texi
      (map (lambda (y) (property->texi 'backend y alist))
-	  uprops)
+          uprops)
      #t)))
 
 (define (grob-doc description)
@@ -121,26 +121,26 @@
 node."
 
   (let* ((meta (assoc-get 'meta description))
-	 (name (assoc-get 'name meta))
-	 ;;       (bla (display name))
-	 (ifaces (map lookup-interface (assoc-get 'interfaces meta)))
-	 (ifacedoc (map ref-ify
-			(sort
-			 (map (lambda (iface)
-				(if (pair? iface)
-				    (symbol->string (car iface))
-				    (ly:error (_ "pair expected in doc ~s") name)))
-			      ifaces)
-			 ly:string-ci<?)))
-	 (engravers (filter
-		     (lambda (x) (engraver-makes-grob? name x))
-		     all-engravers-list))
-	 (namestr (symbol->string name))
-	 (engraver-names (map symbol->string
-			      (map ly:translator-name engravers)))
-	 (engraver-list (human-listify
-			 (map ref-ify
-			      (map engraver-name engraver-names)))))
+         (name (assoc-get 'name meta))
+         ;;       (bla (display name))
+         (ifaces (map lookup-interface (assoc-get 'interfaces meta)))
+         (ifacedoc (map ref-ify
+                        (sort
+                         (map (lambda (iface)
+                                (if (pair? iface)
+                                    (symbol->string (car iface))
+                                    (ly:error (_ "pair expected in doc ~s") name)))
+                              ifaces)
+                         ly:string-ci<?)))
+         (engravers (filter
+                     (lambda (x) (engraver-makes-grob? name x))
+                     all-engravers-list))
+         (namestr (symbol->string name))
+         (engraver-names (map symbol->string
+                              (map ly:translator-name engravers)))
+         (engraver-list (human-listify
+                         (map ref-ify
+                              (map engraver-name engraver-names)))))
 
     (make <texi-node>
       #:name namestr
@@ -148,10 +148,10 @@ node."
       (string-append
        namestr " objects "
        (if (equal? engraver-list "none")
-	   "are not created by any engraver"
-	   (string-append
-	    "are created by: "
-	    engraver-list))
+           "are not created by any engraver"
+           (string-append
+            "are created by: "
+            engraver-list))
        "."
 
        "\n\nStandard settings:\n\n"
@@ -174,7 +174,7 @@ node."
    '() (ly:all-grob-interfaces)))
 
 (set! interface-description-alist
-  (sort interface-description-alist ly:alist-ci<?))
+      (sort interface-description-alist ly:alist-ci<?))
 
 ;;;;;;;;;; check for dangling backend properties.
 (define (mark-interface-properties entry)
@@ -186,7 +186,7 @@ node."
 (define (check-dangling-properties prop)
   (if (not (object-property prop 'iface-marked))
       (ly:error (string-append "define-grob-properties.scm: "
-		(_ "cannot find interface for property: ~S")) prop)))
+                               (_ "cannot find interface for property: ~S")) prop)))
 
 (map check-dangling-properties all-backend-properties)
 
@@ -195,8 +195,8 @@ node."
 (define (lookup-interface name)
   (let* ((entry (hashq-ref (ly:all-grob-interfaces) name #f)))
     (if entry
-	entry
-	(ly:error (_ "unknown Grob interface: ~S") name))))
+        entry
+        (ly:error (_ "unknown Grob interface: ~S") name))))
 
 (define (all-interfaces-doc)
   (make <texi-node>
@@ -207,9 +207,9 @@ node."
 
 (define (backend-properties-doc-string lst)
   (let* ((ps (sort (map symbol->string lst) ly:string-ci<?))
-	 (descs (map (lambda (prop)
-		       (property->texi 'backend (string->symbol prop) '())) ps))
-	 (texi (description-list->texi descs #f)))
+         (descs (map (lambda (prop)
+                       (property->texi 'backend (string->symbol prop) '())) ps))
+         (texi (description-list->texi descs #f)))
     texi))
 
 ;;(dump-node (grob-doc (cdadr all-grob-descriptions)) (current-output-port) 0 )
diff --git a/scm/document-context-mods.scm b/scm/document-context-mods.scm
index d115389a1f..fc3c4ad28a 100644
--- a/scm/document-context-mods.scm
+++ b/scm/document-context-mods.scm
@@ -73,8 +73,8 @@
 "
      name-sym
      name-sym
-     (if (pair? docstring) 
-         (cadar docstring) 
+     (if (pair? docstring)
+         (cadar docstring)
          (begin
            (ly:warning "context modification `~a' not documented." name-sym)
            "(undocumented; fixme)"))
diff --git a/scm/document-functions.scm b/scm/document-functions.scm
index 1fdabaeacf..282bf24044 100644
--- a/scm/document-functions.scm
+++ b/scm/document-functions.scm
@@ -20,13 +20,13 @@
  (ice-9 regex))
 
 (define (dashify-underscores str)
-   (regexp-substitute/global #f "_" str 'pre "-" 'post))
+  (regexp-substitute/global #f "_" str 'pre "-" 'post))
 
 (define (format-c-header c-h)
   (regexp-substitute/global
-   #f "," 
+   #f ","
    (regexp-substitute/global #f "(SCM|\\)|\\() *" (dashify-underscores c-h)
-			     'pre "" 'post)
+                             'pre "" 'post)
    'pre " " 'post))
 
 (define (document-scheme-function name c-header doc-string)
@@ -36,16 +36,16 @@
    "\n@end defun\n\n"))
 
 (define all-scheme-functions
-   (hash-fold
-    (lambda (key val prior)
-      (cons (cons key val)  prior))
-    '() (ly:get-all-function-documentation)))
+  (hash-fold
+   (lambda (key val prior)
+     (cons (cons key val)  prior))
+   '() (ly:get-all-function-documentation)))
 
 (define (all-scheme-functions-doc)
   (let* ((fdocs (map (lambda (x)
-		       (document-scheme-function (car x) (cadr x) (cddr x)))
-		     all-scheme-functions))
-	 (sfdocs (sort fdocs ly:string-ci<?)))
+                       (document-scheme-function (car x) (cadr x) (cddr x)))
+                     all-scheme-functions))
+         (sfdocs (sort fdocs ly:string-ci<?)))
     (make <texi-node>
       #:name "Scheme functions"
       #:desc "Primitive functions exported by LilyPond."
diff --git a/scm/document-identifiers.scm b/scm/document-identifiers.scm
index fcd8f93214..e17f7d308c 100644
--- a/scm/document-identifiers.scm
+++ b/scm/document-identifiers.scm
@@ -23,32 +23,32 @@
        (music-func (cdr music-func-pair))
        (func (ly:music-function-extract music-func))
        (arg-names
-	(map symbol->string
-	     (cddr (cadr (procedure-source func)))))
+        (map symbol->string
+             (cddr (cadr (procedure-source func)))))
        (doc (procedure-documentation func))
        (sign (ly:music-function-signature music-func))
        (type-names (map (lambda (pred)
-			  (if (pair? pred)
-			      (format #f "[~a]" (type-name (car pred)))
-			      (format #f "(~a)" (type-name pred))))
-			sign))
+                          (if (pair? pred)
+                              (format #f "[~a]" (type-name (car pred)))
+                              (format #f "(~a)" (type-name pred))))
+                        sign))
        (signature-str
-	(string-join
-	 (map (lambda (arg type) (format #f "@var{~a} ~a" arg type))
-	      arg-names (cdr type-names)))))
+        (string-join
+         (map (lambda (arg type) (format #f "@var{~a} ~a" arg type))
+              arg-names (cdr type-names)))))
     (format #f
-     "@item @code{~a} ~a ~a~a
+            "@item @code{~a} ~a ~a~a
 @funindex ~a
 ~a
 "
-     name-sym (car type-names)
-     (if (equal? "" signature-str) "" " - ") signature-str
-     name-sym
-     (if doc
-         doc
-         (begin
-           (ly:warning "music function `~a' not documented." name-sym)
-           "(undocumented; fixme)")))))
+            name-sym (car type-names)
+            (if (equal? "" signature-str) "" " - ") signature-str
+            name-sym
+            (if doc
+                doc
+                (begin
+                  (ly:warning "music function `~a' not documented." name-sym)
+                  "(undocumented; fixme)")))))
 
 
 (define (document-object obj-pair)
@@ -60,16 +60,16 @@
 
 (define-public (identifiers-doc-string)
   (format #f
-   "@table @asis
+          "@table @asis
 ~a
 @end table
 "
-   (string-join
-    (filter
-     identity
-     (map
-      document-object
-      (sort
-       (ly:module->alist (current-module))
-       identifier<?)))
-    "")))
+          (string-join
+           (filter
+            identity
+            (map
+             document-object
+             (sort
+              (ly:module->alist (current-module))
+              identifier<?)))
+           "")))
diff --git a/scm/document-markup.scm b/scm/document-markup.scm
index ea335f7e29..fd8f012b43 100644
--- a/scm/document-markup.scm
+++ b/scm/document-markup.scm
@@ -78,13 +78,13 @@
 (define (markup-category-doc-node category)
   (let* ((category-string (symbol->string category))
          (category-name (string-capitalize
-                          (regexp-substitute/global
-                            #f "-" category-string 'pre " " 'post)))
-        (markup-functions (hash-fold (lambda (markup-function dummy functions)
-				       (cons markup-function functions))
-				     '()
-				     (hashq-ref markup-functions-by-category
-						category))))
+                         (regexp-substitute/global
+                          #f "-" category-string 'pre " " 'post)))
+         (markup-functions (hash-fold (lambda (markup-function dummy functions)
+                                        (cons markup-function functions))
+                                      '()
+                                      (hashq-ref markup-functions-by-category
+                                                 category))))
     (make <texi-node>
       #:appendix #t
       #:name category-name
@@ -118,12 +118,12 @@
   (string-append
    "@table @asis"
    (apply string-append
-	  (map doc-markup-function
-	       (sort (hash-fold (lambda (markup-list-function dummy functions)
-				  (cons markup-list-function functions))
-				'()
-				markup-list-functions)
-		     markup-function<?)))
+          (map doc-markup-function
+               (sort (hash-fold (lambda (markup-list-function dummy functions)
+                                  (cons markup-list-function functions))
+                                '()
+                                markup-list-functions)
+                     markup-function<?)))
    "\n@end table"))
 
 
diff --git a/scm/document-music.scm b/scm/document-music.scm
index 7d7e2a9942..92c2b52487 100644
--- a/scm/document-music.scm
+++ b/scm/document-music.scm
@@ -24,40 +24,40 @@
     #:desc "All music properties, including descriptions."
     #:text
     (let* ((ps (sort (map symbol->string all-music-properties) ly:string-ci<?))
-	   (descs (map (lambda (prop)
-			 (property->texi 'music (string->symbol prop)))
-		       ps))
-	   (texi (description-list->texi descs #f)))
+           (descs (map (lambda (prop)
+                         (property->texi 'music (string->symbol prop)))
+                       ps))
+           (texi (description-list->texi descs #f)))
       texi)))
 
 (define music-types->names (make-hash-table 61))
 (filter-map (lambda (entry)
-	      (let* ((class (ly:camel-case->lisp-identifier (car entry)))
-		     (classes (ly:make-event-class doc-context class)))
-		(if classes
-		    (map
-		     (lambda (cl)
-		       (hashq-set! music-types->names cl
-				   (cons (car entry)
-					 (hashq-ref music-types->names cl '()))))
-		     classes)
-		    #f)))
-	
-	    music-descriptions)
+              (let* ((class (ly:camel-case->lisp-identifier (car entry)))
+                     (classes (ly:make-event-class doc-context class)))
+                (if classes
+                    (map
+                     (lambda (cl)
+                       (hashq-set! music-types->names cl
+                                   (cons (car entry)
+                                         (hashq-ref music-types->names cl '()))))
+                     classes)
+                    #f)))
+
+            music-descriptions)
 
 (define (strip-description x)
   (cons (symbol->string (car x))
-	""))
+        ""))
 
 (define (music-type-doc entry)
   (let* ((accept-list (human-listify
-		       (map ref-ify
-			    (map symbol->string
-				 (map ly:translator-name
-				      (filter
-				       (lambda (x)
-					 (engraver-accepts-music-type? (car entry) x))
-				       all-engravers-list)))))))
+                       (map ref-ify
+                            (map symbol->string
+                                 (map ly:translator-name
+                                      (filter
+                                       (lambda (x)
+                                         (engraver-accepts-music-type? (car entry) x))
+                                       all-engravers-list)))))))
     (make <texi-node>
       #:name (symbol->string (car entry))
       #:text
@@ -66,16 +66,16 @@
        (symbol->string (car entry))
        "} is in music objects of type "
        (human-listify
-	(map ref-ify (sort (map symbol->string (cdr entry))
-	                   ly:string-ci<?)))
+        (map ref-ify (sort (map symbol->string (cdr entry))
+                           ly:string-ci<?)))
        "."
 
        "\n\n"
        (if (equal? accept-list "none")
-	   "Not accepted by any engraver or performer"
-	   (string-append
-	    "Accepted by: "
-	    accept-list))
+           "Not accepted by any engraver or performer"
+           (string-append
+            "Accepted by: "
+            accept-list))
        "."))))
 
 (define (music-types-doc)
@@ -83,40 +83,40 @@
     #:name "Music classes"
     #:children
     (map music-type-doc
-	 (sort
-	  (hash-table->alist music-types->names) ly:alist-ci<?))))
+         (sort
+          (hash-table->alist music-types->names) ly:alist-ci<?))))
 
 (define (music-doc-str obj)
   (let* ((namesym  (car obj))
-	 (props (cdr obj))
-	 (class (ly:camel-case->lisp-identifier namesym))
-	 (classes (ly:make-event-class doc-context class))
-	 (accept-list (if classes
-			  (human-listify
-			   (map ref-ify
-				(map symbol->string
-				     (map ly:translator-name
-					  (filter
-					   (lambda (x)
-					     (engraver-accepts-music-types? classes x))
-					   all-engravers-list)))))
-			  ""))
-	 (event-texi (if classes
-			 (string-append
-			  "\n\nEvent classes:\n"
-			  (human-listify
-			   (map ref-ify (sort (map symbol->string classes)
-					      ly:string-ci<?)))
-			  "."
+         (props (cdr obj))
+         (class (ly:camel-case->lisp-identifier namesym))
+         (classes (ly:make-event-class doc-context class))
+         (accept-list (if classes
+                          (human-listify
+                           (map ref-ify
+                                (map symbol->string
+                                     (map ly:translator-name
+                                          (filter
+                                           (lambda (x)
+                                             (engraver-accepts-music-types? classes x))
+                                           all-engravers-list)))))
+                          ""))
+         (event-texi (if classes
+                         (string-append
+                          "\n\nEvent classes:\n"
+                          (human-listify
+                           (map ref-ify (sort (map symbol->string classes)
+                                              ly:string-ci<?)))
+                          "."
 
-			  "\n\n"
-			  (if (equal? accept-list "none")
-			      "Not accepted by any engraver or performer"
-			      (string-append
-			       "Accepted by: "
-			       accept-list))
-			  ".")
-			 "")))
+                          "\n\n"
+                          (if (equal? accept-list "none")
+                              "Not accepted by any engraver or performer"
+                              (string-append
+                               "Accepted by: "
+                               accept-list))
+                          ".")
+                         "")))
 
     (string-append
      (object-property namesym 'music-description)
diff --git a/scm/document-translation.scm b/scm/document-translation.scm
index 00b22be7a3..8237260c45 100644
--- a/scm/document-translation.scm
+++ b/scm/document-translation.scm
@@ -31,80 +31,80 @@
 
 (define (engraver-doc-string engraver in-which-contexts)
   (let* ((propsr (assoc-get 'properties-read (ly:translator-description engraver)))
-	 (propsw (assoc-get 'properties-written (ly:translator-description engraver)))
-	 (accepted  (assoc-get 'events-accepted (ly:translator-description engraver)))
-	 (name-sym  (ly:translator-name engraver))
-	 (name-str (symbol->string name-sym))
-	 (desc (assoc-get 'description (ly:translator-description engraver)))
-	 (grobs (engraver-grobs engraver)))
+         (propsw (assoc-get 'properties-written (ly:translator-description engraver)))
+         (accepted  (assoc-get 'events-accepted (ly:translator-description engraver)))
+         (name-sym  (ly:translator-name engraver))
+         (name-str (symbol->string name-sym))
+         (desc (assoc-get 'description (ly:translator-description engraver)))
+         (grobs (engraver-grobs engraver)))
 
     (string-append
      desc
      "\n\n"
      (if (pair? accepted)
-	 (string-append
-	  "Music types accepted:\n\n"
-	  (human-listify
-	   (map ref-ify (sort (map symbol->string accepted) ly:string-ci<?))))
-	 "")
+         (string-append
+          "Music types accepted:\n\n"
+          (human-listify
+           (map ref-ify (sort (map symbol->string accepted) ly:string-ci<?))))
+         "")
      "\n\n"
      (if (pair? propsr)
-	 (string-append
-	  "Properties (read)"
-	  (description-list->texi
-	   (map (lambda (x) (property->texi 'translation x '()))
-	        (sort propsr ly:symbol-ci<?))
-	   #t))
-	 "")
+         (string-append
+          "Properties (read)"
+          (description-list->texi
+           (map (lambda (x) (property->texi 'translation x '()))
+                (sort propsr ly:symbol-ci<?))
+           #t))
+         "")
 
      (if (null? propsw)
-	 ""
-	 (string-append
-	  "Properties (write)"
-	  (description-list->texi
-	   (map (lambda (x) (property->texi 'translation x '()))
-	        (sort propsw ly:symbol-ci<?))
-	   #t)))
+         ""
+         (string-append
+          "Properties (write)"
+          (description-list->texi
+           (map (lambda (x) (property->texi 'translation x '()))
+                (sort propsw ly:symbol-ci<?))
+           #t)))
      (if  (null? grobs)
-	  ""
-	  (string-append
-	   "\n\nThis engraver creates the following layout object(s):\n\n"
-	   (human-listify (map ref-ify (uniq-list (sort grobs ly:string-ci<?))))
-	   "."))
+          ""
+          (string-append
+           "\n\nThis engraver creates the following layout object(s):\n\n"
+           (human-listify (map ref-ify (uniq-list (sort grobs ly:string-ci<?))))
+           "."))
 
      "\n\n"
 
      (if in-which-contexts
-	 (let* ((layout-alist (ly:output-description $defaultlayout))
-		(context-description-alist (map cdr layout-alist))
-		(contexts
-		 (apply append
-			(map
-			 (lambda (x)
-			   (let* ((context (assoc-get 'context-name x))
-				  (group (assq-ref x 'group-type))
-				  (consists (append
-					     (if group
-						 (list group)
-						 '())
-					     (assoc-get 'consists x))))
-			     (if (member name-sym consists)
-				 (list context)
-				 '())))
-			 context-description-alist)))
-		(context-list (human-listify (map ref-ify
-						  (sort
-						   (map symbol->string contexts)
-						   ly:string-ci<?)))))
-	   (string-append
-	    "@code{" name-str "} "
-	    (if (equal? context-list "none")
-		"is not part of any context"
-		(string-append
-		 "is part of the following context(s): "
-		 context-list))
-	    "."))
-	 ""))))
+         (let* ((layout-alist (ly:output-description $defaultlayout))
+                (context-description-alist (map cdr layout-alist))
+                (contexts
+                 (apply append
+                        (map
+                         (lambda (x)
+                           (let* ((context (assoc-get 'context-name x))
+                                  (group (assq-ref x 'group-type))
+                                  (consists (append
+                                             (if group
+                                                 (list group)
+                                                 '())
+                                             (assoc-get 'consists x))))
+                             (if (member name-sym consists)
+                                 (list context)
+                                 '())))
+                         context-description-alist)))
+                (context-list (human-listify (map ref-ify
+                                                  (sort
+                                                   (map symbol->string contexts)
+                                                   ly:string-ci<?)))))
+           (string-append
+            "@code{" name-str "} "
+            (if (equal? context-list "none")
+                "is not part of any context"
+                (string-append
+                 "is part of the following context(s): "
+                 context-list))
+            "."))
+         ""))))
 
 ;; First level Engraver description
 (define (engraver-doc grav)
@@ -129,45 +129,45 @@
   (let* ((eg (find-engraver-by-name name)))
 
     (cons (string-append "@code{" (ref-ify (symbol->string name)) "}")
-	  (engraver-doc-string eg #f))))
+          (engraver-doc-string eg #f))))
 
 (define (document-property-operation op)
   (let ((tag (car op))
-	(context-sym (cadr op))
-	(args (cddr op))
-	)
+        (context-sym (cadr op))
+        (args (cddr op))
+        )
 
     (cond
      ((equal?  tag 'push)
       (let*
-	  ((value (car args))
-	   (path (cdr args)))
-
-      (string-append
-       "@item Set "
-       (format #f "grob-property @code{~a} "
-	       (string-join (map symbol->string path) " "))
-       (format #f "in @ref{~a} to ~a."
-	       context-sym (scm->texi value))
-       "\n")))
+          ((value (car args))
+           (path (cdr args)))
+
+        (string-append
+         "@item Set "
+         (format #f "grob-property @code{~a} "
+                 (string-join (map symbol->string path) " "))
+         (format #f "in @ref{~a} to ~a."
+                 context-sym (scm->texi value))
+         "\n")))
      ((equal? (object-property context-sym 'is-grob?) #t) "")
      ((equal? tag 'assign)
       (format #f "@item Set translator property @code{~a} to ~a.\n"
-	      context-sym
-	      (scm->texi (car args))))
+              context-sym
+              (scm->texi (car args))))
      )))
 
 
 (define (context-doc context-desc)
   (let* ((name-sym (assoc-get 'context-name context-desc))
-	 (name (symbol->string name-sym))
-	 (aliases (map symbol->string (assoc-get 'aliases context-desc)))
-	 (desc (assoc-get 'description context-desc "(not documented"))
-	 (accepts (assoc-get 'accepts context-desc))
-	 (consists (assoc-get 'consists context-desc))
-	 (props (assoc-get 'property-ops context-desc))
-	 (grobs  (context-grobs context-desc))
-	 (grob-refs (map ref-ify (sort grobs ly:string-ci<?))))
+         (name (symbol->string name-sym))
+         (aliases (map symbol->string (assoc-get 'aliases context-desc)))
+         (desc (assoc-get 'description context-desc "(not documented"))
+         (accepts (assoc-get 'accepts context-desc))
+         (consists (assoc-get 'consists context-desc))
+         (props (assoc-get 'property-ops context-desc))
+         (grobs  (context-grobs context-desc))
+         (grob-refs (map ref-ify (sort grobs ly:string-ci<?))))
 
     (make <texi-node>
       #:name name
@@ -175,72 +175,72 @@
       (string-append
        desc
        (if (pair? aliases)
-	   (string-append
-	    "\n\nThis context also accepts commands for the following context(s):\n\n"
-	    (human-listify (sort aliases ly:string-ci<?))
-	    ".")
-	   "")
+           (string-append
+            "\n\nThis context also accepts commands for the following context(s):\n\n"
+            (human-listify (sort aliases ly:string-ci<?))
+            ".")
+           "")
 
        "\n\nThis context creates the following layout object(s):\n\n"
        (human-listify (uniq-list grob-refs))
        "."
 
        (if (and (pair? props) (not (null? props)))
-	   (let ((str (apply string-append
-		             (sort (map document-property-operation props)
-			           ly:string-ci<?))))
-	     (if (string-null? str)
-		 ""
-		 (string-append
-		  "\n\nThis context sets the following properties:\n\n"
-		  "@itemize @bullet\n"
-		  str
-		  "@end itemize\n")))
-	   "")
+           (let ((str (apply string-append
+                             (sort (map document-property-operation props)
+                                   ly:string-ci<?))))
+             (if (string-null? str)
+                 ""
+                 (string-append
+                  "\n\nThis context sets the following properties:\n\n"
+                  "@itemize @bullet\n"
+                  str
+                  "@end itemize\n")))
+           "")
 
        (if (null? accepts)
-	   "\n\nThis context is a `bottom' context; it cannot contain other contexts."
-	   (string-append
-	    "\n\nContext "
-	    name
-	    " can contain\n"
-	    (human-listify (map ref-ify (sort (map symbol->string accepts)
-					      ly:string-ci<?)))
-	    "."))
+           "\n\nThis context is a `bottom' context; it cannot contain other contexts."
+           (string-append
+            "\n\nContext "
+            name
+            " can contain\n"
+            (human-listify (map ref-ify (sort (map symbol->string accepts)
+                                              ly:string-ci<?)))
+            "."))
 
        (if (null? consists)
-	   ""
-	   (string-append
-	    "\n\nThis context is built from the following engraver(s):"
-	    (description-list->texi
-	     (map document-engraver-by-name (sort consists ly:symbol-ci<?))
-	     #t)))))))
+           ""
+           (string-append
+            "\n\nThis context is built from the following engraver(s):"
+            (description-list->texi
+             (map document-engraver-by-name (sort consists ly:symbol-ci<?))
+             #t)))))))
 
 (define (engraver-grobs grav)
   (let* ((eg (if (symbol? grav)
-		 (find-engraver-by-name grav)
-		 grav)))
+                 (find-engraver-by-name grav)
+                 grav)))
     (if (eq? eg #f)
-	'()
-	(map symbol->string (assoc-get 'grobs-created (ly:translator-description eg))))))
+        '()
+        (map symbol->string (assoc-get 'grobs-created (ly:translator-description eg))))))
 
 (define (context-grobs context-desc)
   (let* ((group (assq-ref context-desc 'group-type))
-	 (consists (append
-		    (if group
-			(list group)
-			'())
-		    (assoc-get 'consists context-desc)))
-	 (grobs  (apply append
-			(map engraver-grobs consists))))
+         (consists (append
+                    (if group
+                        (list group)
+                        '())
+                    (assoc-get 'consists context-desc)))
+         (grobs  (apply append
+                        (map engraver-grobs consists))))
     grobs))
 
 (define (all-contexts-doc)
   (let* ((layout-alist
-	  (sort (ly:output-description $defaultlayout)
-		(lambda (x y) (ly:symbol-ci<? (car x) (car y)))))
-	 (names (sort (map symbol->string (map car layout-alist)) ly:string-ci<?))
-	 (contexts (map cdr layout-alist)))
+          (sort (ly:output-description $defaultlayout)
+                (lambda (x y) (ly:symbol-ci<? (car x) (car y)))))
+         (names (sort (map symbol->string (map car layout-alist)) ly:string-ci<?))
+         (contexts (map cdr layout-alist)))
 
     (make <texi-node>
       #:name "Contexts"
@@ -251,8 +251,8 @@
 (define all-engravers-list  (ly:get-all-translators))
 (set! all-engravers-list
       (sort all-engravers-list
-	    (lambda (a b) (ly:string-ci<? (symbol->string (ly:translator-name a))
-				    (symbol->string (ly:translator-name b))))))
+            (lambda (a b) (ly:string-ci<? (symbol->string (ly:translator-name a))
+                                          (symbol->string (ly:translator-name b))))))
 
 (define (all-engravers-doc)
   (make <texi-node>
@@ -264,12 +264,12 @@
 
 (define (translation-properties-doc-string lst)
   (let* ((ps (sort (map symbol->string lst) ly:string-ci<?))
-	 (sortedsyms (map string->symbol ps))
-	 (propdescs
-	  (map
-	   (lambda (x) (property->texi 'translation  x '()))
-	   sortedsyms))
-	 (texi (description-list->texi propdescs #f)))
+         (sortedsyms (map string->symbol ps))
+         (propdescs
+          (map
+           (lambda (x) (property->texi 'translation  x '()))
+           sortedsyms))
+         (texi (description-list->texi propdescs #f)))
     texi))
 
 (define (translation-doc-node)
@@ -284,10 +284,10 @@
        #:name "Tunable context properties"
        #:desc "All tunable context properties."
        #:text (translation-properties-doc-string
-	       all-user-translation-properties))
+               all-user-translation-properties))
 
      (make <texi-node>
        #:name "Internal context properties"
        #:desc "All internal context properties."
        #:text (translation-properties-doc-string
-	       all-internal-translation-properties)))))
+               all-internal-translation-properties)))))
diff --git a/scm/documentation-generate.scm b/scm/documentation-generate.scm
index 88016c92ae..00286238b3 100644
--- a/scm/documentation-generate.scm
+++ b/scm/documentation-generate.scm
@@ -28,15 +28,15 @@
 ;; todo: naming: grob vs. layout property
 
 (map ly:load '("documentation-lib.scm"
-	       "lily-sort.scm"
-	       "document-functions.scm"
-	       "document-translation.scm"
-	       "document-music.scm"
-	       "document-type-predicates.scm"
-	       "document-identifiers.scm"
-	       "document-context-mods.scm"
-	       "document-backend.scm"
-	       "document-markup.scm"))
+               "lily-sort.scm"
+               "document-functions.scm"
+               "document-translation.scm"
+               "document-music.scm"
+               "document-type-predicates.scm"
+               "document-identifiers.scm"
+               "document-context-mods.scm"
+               "document-backend.scm"
+               "document-markup.scm"))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
@@ -97,7 +97,7 @@
 (display
  (string-append
   (texi-file-head "LilyPond Internals Reference" file-name
-		  "(lilypond-internals.info)")
+                  "(lilypond-internals.info)")
   "
 
 @include macros.itexi
@@ -156,8 +156,8 @@ This document is also available as a
 @end ifhtml
 
 This is the Internals Reference (IR) for version "
-		    (lilypond-version)
-		    " of LilyPond, the GNU music typesetter.")
+                    (lilypond-version)
+                    " of LilyPond, the GNU music typesetter.")
 
     #:children
     (list
diff --git a/scm/documentation-lib.scm b/scm/documentation-lib.scm
index 182f581272..b8c0f097a6 100644
--- a/scm/documentation-lib.scm
+++ b/scm/documentation-lib.scm
@@ -17,8 +17,8 @@
 ;;;; along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 
 (use-modules (oop goops)
-	     (srfi srfi-13)
-	     (srfi srfi-1))
+             (srfi srfi-13)
+             (srfi srfi-1))
 
 (define-class <texi-node> ()
   (appendix #:init-value #f #:accessor appendix? #:init-keyword #:appendix)
@@ -47,10 +47,10 @@
     (node-text node)
     "\n\n"
     (if (pair? (node-children node))
-	(texi-menu
-	 (map (lambda (x) (menu-entry x))
-	      (node-children node)))
-	""))
+        (texi-menu
+         (map (lambda (x) (menu-entry x))
+              (node-children node)))
+        ""))
    port)
   (map (lambda (x) (dump-node x port (+ 1 level)))
        (node-children node)))
@@ -71,21 +71,21 @@
 
 (define (texi-section-command level)
   (assoc-get level '(
-		     ;; Hmm, texinfo doesn't have ``part''
-		     (0 . "@top")
-		     (1 . "@chapter")
-		     (2 . "@section")
-		     (3 . "@subsection")
-		     (4 . "@unnumberedsubsubsec")
-		     (5 . "@unnumberedsubsubsec"))))
+                     ;; Hmm, texinfo doesn't have ``part''
+                     (0 . "@top")
+                     (1 . "@chapter")
+                     (2 . "@section")
+                     (3 . "@subsection")
+                     (4 . "@unnumberedsubsubsec")
+                     (5 . "@unnumberedsubsubsec"))))
 
 (define (texi-appendix-section-command level)
   (assoc-get level '((0 . "@top")
-		     (1 . "@appendix")
-		     (2 . "@appendixsec")
-		     (3 . "@appendixsubsec")
-		     (4 . "@appendixsubsubsec")
-		     (5 . "@appendixsubsubsec"))))
+                     (1 . "@appendix")
+                     (2 . "@appendixsec")
+                     (3 . "@appendixsubsec")
+                     (4 . "@appendixsubsubsec")
+                     (5 . "@appendixsubsubsec"))))
 
 (define (one-item->texi label-desc-pair)
   "Document one (LABEL . DESC); return empty string if LABEL is empty string."
@@ -109,25 +109,25 @@ string-to-use).  If QUOTE? is #t, embed table in a @quotation environment."
 (define (texi-menu items-alist)
   "Generate what is between @menu and @end menu."
   (let ((maxwid
-	 (apply max (map (lambda (x) (string-length (car x))) items-alist))))
+         (apply max (map (lambda (x) (string-length (car x))) items-alist))))
 
     (string-append
      "\n@menu"
      (apply string-append
-	    (map (lambda (x)
-		   (string-append
-		    (string-pad-right
-		     (string-append "\n* " (car x) ":: ")
-		     (+ maxwid 8))
-		    (cdr x)))
-		 items-alist))
+            (map (lambda (x)
+                   (string-append
+                    (string-pad-right
+                     (string-append "\n* " (car x) ":: ")
+                     (+ maxwid 8))
+                    (cdr x)))
+                 items-alist))
      "\n@end menu\n"
      ;; Menus don't appear in html, so we make a list ourselves
      "\n@ignore\n"
      "\n@ifhtml\n"
      (description-list->texi (map (lambda (x) (cons (ref-ify (car x)) (cdr x)))
-				  items-alist)
-			     #t)
+                                  items-alist)
+                             #t)
      "\n@end ifhtml\n"
      "\n@end ignore\n")))
 
@@ -195,27 +195,27 @@ string-to-use).  If QUOTE? is #t, embed table in a @quotation environment."
 with init values from ALIST (1st optional argument)
 "
   (let* ((name (symbol->string sym))
-	 (alist (if (pair? rest) (car rest) '()))
-	 (type?-name (string->symbol
-		      (string-append (symbol->string where) "-type?")))
-	 (doc-name (string->symbol
-		    (string-append (symbol->string where) "-doc")))
-	 (type (object-property sym type?-name))
-	 (typename (verify-type-name where sym type))
-	 (desc (object-property sym doc-name))
-	 (init-value (assoc-get sym alist)))
+         (alist (if (pair? rest) (car rest) '()))
+         (type?-name (string->symbol
+                      (string-append (symbol->string where) "-type?")))
+         (doc-name (string->symbol
+                    (string-append (symbol->string where) "-doc")))
+         (type (object-property sym type?-name))
+         (typename (verify-type-name where sym type))
+         (desc (object-property sym doc-name))
+         (init-value (assoc-get sym alist)))
 
     (if (eq? desc #f)
-	(ly:error (_ "cannot find description for property ~S (~S)") sym where))
+        (ly:error (_ "cannot find description for property ~S (~S)") sym where))
 
     (cons
      (string-append "@code{" name "} "
-		    "(" typename ")"
-		    (if init-value
-			(string-append
-			 ":\n\n"
-			 (scm->texi init-value)
-			 "\n\n")
-			""))
+                    "(" typename ")"
+                    (if init-value
+                        (string-append
+                         ":\n\n"
+                         (scm->texi init-value)
+                         "\n\n")
+                        ""))
      desc)))
 
diff --git a/scm/editor.scm b/scm/editor.scm
index 66c3709fb2..e474a557e5 100644
--- a/scm/editor.scm
+++ b/scm/editor.scm
@@ -36,9 +36,9 @@
       ;; FIXME: how are default/preferred editors specified on
       ;; different platforms?
       (case PLATFORM
-	((windows) "lilypad")
-	(else
-	 "emacs"))))
+        ((windows) "lilypad")
+        (else
+         "emacs"))))
 
 (define editor-command-template-alist
   '(("emacs" .  "emacsclient --no-wait +%(line)s:%(column)s %(file)s || (emacs +%(line)s:%(column)s %(file)s&)")
@@ -53,12 +53,12 @@
 (define (get-command-template alist editor)
   (define (get-command-template-helper)
     (if (null? alist)
-	(if (string-match "%\\(file\\)s" editor)
-	    editor
-	    (string-append editor " %(file)s"))
-	(if (string-match (caar alist) editor)
-	    (cdar alist)
-	    (get-command-template (cdr alist) editor))))
+        (if (string-match "%\\(file\\)s" editor)
+            editor
+            (string-append editor " %(file)s"))
+        (if (string-match (caar alist) editor)
+            (cdar alist)
+            (get-command-template (cdr alist) editor))))
   (if (string-match "%\\(file\\)s" editor)
       editor
       (get-command-template-helper)))
@@ -67,18 +67,18 @@
   (regexp-substitute/global #f re string 'pre sub 'post))
 
 (define (slashify x)
- (if (string-index x #\/)
-     x
-     (re-sub "\\\\" "/" x)))
+  (if (string-index x #\/)
+      x
+      (re-sub "\\\\" "/" x)))
 
 (define-public (get-editor-command file-name line char column)
   (let* ((editor (get-editor))
-	 (template (get-command-template editor-command-template-alist editor))
-	 (command
-	  (re-sub "%\\(file\\)s" (format #f "~S" file-name)
-		  (re-sub "%\\(line\\)s" (format #f "~a" line)
-			  (re-sub "%\\(char\\)s" (format #f "~a" char)
-				  (re-sub
-				   "%\\(column\\)s" (format #f "~a" column)
-				   (slashify template)))))))
+         (template (get-command-template editor-command-template-alist editor))
+         (command
+          (re-sub "%\\(file\\)s" (format #f "~S" file-name)
+                  (re-sub "%\\(line\\)s" (format #f "~a" line)
+                          (re-sub "%\\(char\\)s" (format #f "~a" char)
+                                  (re-sub
+                                   "%\\(column\\)s" (format #f "~a" column)
+                                   (slashify template)))))))
     command))
diff --git a/scm/encoding.scm b/scm/encoding.scm
index 1868e7600f..aaeed727b1 100644
--- a/scm/encoding.scm
+++ b/scm/encoding.scm
@@ -17,44 +17,44 @@
 
 (define-public latin1-coding-vector
   #(.notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
-    .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
-    .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
-    .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
-    %% 0x20
-    space exclam quotedbl numbersign dollar percent ampersand quoteright
-    parenleft parenright asterisk plus comma hyphen period slash
-    zero one two three four five six seven
-    eight nine colon semicolon less equal greater question
-    %% 0x40
-    at A B C D E F G
-    H I J K L M N O
-    P Q R S T U V W
-    X Y Z bracketleft backslash bracketright asciicircum underscore
-    %% 0x60
-    `quoteleft a b c d e f g
-    h i j k l m n o
-    p q r s t u v w
-    x y z braceleft bar braceright asciitilde .notdef
-    %% 0x80
-    .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
-    .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
-    dotlessi grave acute circumflex tilde macron breve dotaccent
-    dieresis .notdef ring cedilla .notdef hungarumlaut ogonek caron
-    %% 0xA0
-    space exclamdown cent sterling currency yen brokenbar section
-    dieresis copyright ordfeminine guillemotleft logicalnot hyphen registered macron
-    degree plusminus twosuperior threesuperior acute mu paragraph periodcentered
-    cedilla onesuperior ordmasculine guillemotright onequarter onehalf threequarters questiondown
-    %% 0xC0
-    Agrave Aacute Acircumflex Atilde Adieresis Aring AE Ccedilla
-    Egrave Eacute Ecircumflex Edieresis Igrave Iacute Icircumflex Idieresis
-    Eth Ntilde Ograve Oacute Ocircumflex Otilde Odieresis multiply
-    Oslash Ugrave Uacute Ucircumflex Udieresis Yacute Thorn germandbls
-    %% 0xE0
-    agrave aacute acircumflex atilde adieresis aring ae ccedilla
-    egrave eacute ecircumflex edieresis igrave iacute icircumflex idieresis
-    eth ntilde ograve oacute ocircumflex otilde odieresis divide
-    oslash ugrave uacute ucircumflex udieresis yacute thorn ydieresis))
+            .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
+            .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
+            .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
+            %% 0x20
+            space exclam quotedbl numbersign dollar percent ampersand quoteright
+            parenleft parenright asterisk plus comma hyphen period slash
+            zero one two three four five six seven
+            eight nine colon semicolon less equal greater question
+            %% 0x40
+            at A B C D E F G
+            H I J K L M N O
+            P Q R S T U V W
+            X Y Z bracketleft backslash bracketright asciicircum underscore
+            %% 0x60
+            `quoteleft a b c d e f g
+            h i j k l m n o
+            p q r s t u v w
+            x y z braceleft bar braceright asciitilde .notdef
+            %% 0x80
+            .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
+            .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef
+            dotlessi grave acute circumflex tilde macron breve dotaccent
+            dieresis .notdef ring cedilla .notdef hungarumlaut ogonek caron
+            %% 0xA0
+            space exclamdown cent sterling currency yen brokenbar section
+            dieresis copyright ordfeminine guillemotleft logicalnot hyphen registered macron
+            degree plusminus twosuperior threesuperior acute mu paragraph periodcentered
+            cedilla onesuperior ordmasculine guillemotright onequarter onehalf threequarters questiondown
+            %% 0xC0
+            Agrave Aacute Acircumflex Atilde Adieresis Aring AE Ccedilla
+            Egrave Eacute Ecircumflex Edieresis Igrave Iacute Icircumflex Idieresis
+            Eth Ntilde Ograve Oacute Ocircumflex Otilde Odieresis multiply
+            Oslash Ugrave Uacute Ucircumflex Udieresis Yacute Thorn germandbls
+            %% 0xE0
+            agrave aacute acircumflex atilde adieresis aring ae ccedilla
+            egrave eacute ecircumflex edieresis igrave iacute icircumflex idieresis
+            eth ntilde ograve oacute ocircumflex otilde odieresis divide
+            oslash ugrave uacute ucircumflex udieresis yacute thorn ydieresis))
 
 
 (define-public (decode-byte-string str)
@@ -62,10 +62,10 @@
 assuming that @var{str} is byte-coded using latin-1 encoding."
 
   (let* ((len (string-length str))
-	 (output-vector (make-vector len '.notdef)))
+         (output-vector (make-vector len '.notdef)))
     (do
-	((idx 0 (1+ idx)))
-	((>= idx len) output-vector)
+        ((idx 0 (1+ idx)))
+        ((>= idx len) output-vector)
       (vector-set! output-vector idx
-		   (vector-ref latin1-coding-vector
-			       (char->integer (string-ref str idx)))))))
+                   (vector-ref latin1-coding-vector
+                               (char->integer (string-ref str idx)))))))
diff --git a/scm/file-cache.scm b/scm/file-cache.scm
index 221a6e2837..21db866eb8 100644
--- a/scm/file-cache.scm
+++ b/scm/file-cache.scm
@@ -22,7 +22,7 @@
       ((contents (hash-ref cache-hash-tab filename #f)))
 
     (if (not (string? contents))
-	(begin
-	  (set! contents (ly:gulp-file filename))
-	  (hash-set! cache-hash-tab filename contents)))
+        (begin
+          (set! contents (ly:gulp-file filename))
+          (hash-set! cache-hash-tab filename contents)))
     contents))
diff --git a/scm/flag-styles.scm b/scm/flag-styles.scm
index 6027161995..0b5750280f 100644
--- a/scm/flag-styles.scm
+++ b/scm/flag-styles.scm
@@ -90,22 +90,22 @@ All lengths are scaled according to the font size of the note."
            (points (if stem-up (list start flag-end
                                      (offset-add flag-end thickness-offset)
                                      (offset-add start thickness-offset))
-                               (list start
-                                     (offset-add start thickness-offset)
-                                     (offset-add flag-end thickness-offset)
-                                     flag-end)))
+                       (list start
+                             (offset-add start thickness-offset)
+                             (offset-add flag-end thickness-offset)
+                             flag-end)))
            (stencil (ly:round-filled-polygon points half-stem-thickness))
            ;; Log for 1/8 is 3, so we need to subtract 3
            (flag-stencil (buildflag stencil (- log 3) stencil spacing))
            (stroke-style (ly:grob-property grob 'stroke-style)))
-    (if (equal? stroke-style "grace")
-      (add-stroke-straight flag-stencil grob
-                           dir log
-                           stroke-style
-                           flag-end flag-length
-                           thickness
-                           (* half-stem-thickness 2))
-      flag-stencil))))
+      (if (equal? stroke-style "grace")
+          (add-stroke-straight flag-stencil grob
+                               dir log
+                               stroke-style
+                               flag-end flag-length
+                               thickness
+                               (* half-stem-thickness 2))
+          flag-stencil))))
 
 (define-public (modern-straight-flag grob)
   "Modern straight flag style (for composers like Stockhausen, Boulez, etc.).
@@ -136,21 +136,21 @@ flags are both 45 degrees."
   "Load and add a stroke (represented by a glyph in the font) to the given
 flag stencil."
   (if (not (string? stroke-style))
-    stencil
-    ;; Otherwise: look up the stroke glyph and combine it with the flag
-    (let* ((stem-grob (ly:grob-parent grob X))
-           (font-char (string-append "flags." flag-style dir stroke-style))
-           (alt-font-char (string-append "flags." dir stroke-style))
-           (font (ly:grob-default-font grob))
-           (tmpstencil (ly:font-get-glyph font font-char))
-           (stroke-stencil (if (ly:stencil-empty? tmpstencil)
-                               (ly:font-get-glyph font alt-font-char)
-                               tmpstencil)))
-      (if (ly:stencil-empty? stroke-stencil)
-        (begin
-          (ly:warning (_ "flag stroke `~a' or `~a' not found") font-char alt-font-char)
-          stencil)
-        (ly:stencil-add stencil stroke-stencil)))))
+      stencil
+      ;; Otherwise: look up the stroke glyph and combine it with the flag
+      (let* ((stem-grob (ly:grob-parent grob X))
+             (font-char (string-append "flags." flag-style dir stroke-style))
+             (alt-font-char (string-append "flags." dir stroke-style))
+             (font (ly:grob-default-font grob))
+             (tmpstencil (ly:font-get-glyph font font-char))
+             (stroke-stencil (if (ly:stencil-empty? tmpstencil)
+                                 (ly:font-get-glyph font alt-font-char)
+                                 tmpstencil)))
+        (if (ly:stencil-empty? stroke-stencil)
+            (begin
+              (ly:warning (_ "flag stroke `~a' or `~a' not found") font-char alt-font-char)
+              stencil)
+            (ly:stencil-add stencil stroke-stencil)))))
 
 
 (define-public (retrieve-glyph-flag flag-style dir dir-modifier grob)
@@ -161,7 +161,7 @@ flag stencil."
          (font-char (string-append "flags." flag-style dir dir-modifier (number->string log)))
          (flag (ly:font-get-glyph font font-char)))
     (if (ly:stencil-empty? flag)
-      (ly:warning "flag ~a not found" font-char))
+        (ly:warning "flag ~a not found" font-char))
     flag))
 
 
@@ -172,8 +172,8 @@ flag stencil."
          (flag (retrieve-glyph-flag flag-style dir dir-modifier grob))
          (stroke-style (ly:grob-property grob 'stroke-style)))
     (if (null? stroke-style)
-      flag
-      (add-stroke-glyph flag grob dir stroke-style flag-style))))
+        flag
+        (add-stroke-glyph flag grob dir stroke-style flag-style))))
 
 
 
@@ -191,10 +191,10 @@ a flag always touches a staff line."
          (d (ly:grob-property stem-grob 'direction))
          (ss (ly:staff-symbol-staff-space stem-grob))
          (stem-end (inexact->exact (round (* (index-cell
-                                               (ly:grob-extent stem-grob
-                                                               stem-grob
-                                                               Y)
-                                               d)
+                                              (ly:grob-extent stem-grob
+                                                              stem-grob
+                                                              Y)
+                                              d)
                                              (/ 2 ss)))))
          ;; For some reason the stem-end is a real instead of an integer...
          (dir-modifier (if (ly:position-on-line? stem-grob stem-end) "1" "0"))
@@ -236,7 +236,7 @@ at will.  The correct way to do this is:
                          (symbol->string flag-style-symbol)
                          "")))
     (cond
-        ((equal? flag-style "") (normal-flag grob))
-        ((equal? flag-style "mensural") (mensural-flag grob))
-        ((equal? flag-style "no-flag") (no-flag grob))
-        (else ((glyph-flag flag-style) grob)))))
+     ((equal? flag-style "") (normal-flag grob))
+     ((equal? flag-style "mensural") (mensural-flag grob))
+     ((equal? flag-style "no-flag") (no-flag grob))
+     (else ((glyph-flag flag-style) grob)))))
diff --git a/scm/font.scm b/scm/font.scm
index d759d60934..8753019fa7 100644
--- a/scm/font.scm
+++ b/scm/font.scm
@@ -43,7 +43,7 @@
   (make <Font-tree-leaf> #:default-size size #:size-vector size-font-vector))
 
 (define (make-font-tree-node
-	 qualifier default)
+         qualifier default)
   (make <Font-tree-node>
     #:qualifier qualifier
     #:default default
@@ -52,11 +52,11 @@
 (define-method (display (leaf <Font-tree-leaf>) port)
   (map (lambda (x) (display x port))
        (list
-	"#<Font-size-family:\n"
-	(slot-ref leaf 'default-size)
-	(slot-ref leaf 'size-vector)
-	"#>"
-	)))
+        "#<Font-size-family:\n"
+        (slot-ref leaf 'default-size)
+        (slot-ref leaf 'size-vector)
+        "#>"
+        )))
 
 (define-method (display (node <Font-tree-node>) port)
   (map
@@ -84,10 +84,10 @@
 
   (define (make-node fprops size-family)
     (if (null? fprops)
-	(make-font-tree-leaf (car size-family) (cdr size-family))
-	(let* ((qual (next-qualifier default-qualifier-order fprops)))
-	  (make-font-tree-node qual
-			       (assoc-get qual fprops)))))
+        (make-font-tree-leaf (car size-family) (cdr size-family))
+        (let* ((qual (next-qualifier default-qualifier-order fprops)))
+          (make-font-tree-node qual
+                               (assoc-get qual fprops)))))
 
   (define (next-qualifier order props)
     (cond
@@ -97,34 +97,34 @@
      ((null? order) (caar props))
      (else
       (if (assoc-get (car order) props)
-	  (car order)
-	  (next-qualifier (cdr order) props)))))
+          (car order)
+          (next-qualifier (cdr order) props)))))
 
   (let* ((q (font-qualifier node))
-	 (d (font-default node))
-	 (v (assoc-get q fprops d))
-	 (new-fprops (assoc-delete q fprops))
-	 (child (hashq-ref (slot-ref node 'children)
-			   v #f)))
+         (d (font-default node))
+         (v (assoc-get q fprops d))
+         (new-fprops (assoc-delete q fprops))
+         (child (hashq-ref (slot-ref node 'children)
+                           v #f)))
     (if (not child)
-	(begin
-	  (set! child (make-node new-fprops size-family))
-	  (hashq-set! (slot-ref node 'children) v child)))
+        (begin
+          (set! child (make-node new-fprops size-family))
+          (hashq-set! (slot-ref node 'children) v child)))
     (if (pair? new-fprops)
-	(add-font child new-fprops size-family))))
+        (add-font child new-fprops size-family))))
 
 (define-method (add-font (node <Font-tree-leaf>) fprops size-family)
   (throw "must add to node, not leaf"))
 
 (define-method (g-lookup-font (node <Font-tree-node>) alist-chain)
   (let* ((qual (font-qualifier node))
-	 (def (font-default node))
-	 (val (chain-assoc-get qual alist-chain def))
-	 (desired-child (hashq-ref (font-children node) val)))
+         (def (font-default node))
+         (val (chain-assoc-get qual alist-chain def))
+         (desired-child (hashq-ref (font-children node) val)))
 
     (if desired-child
-	(g-lookup-font desired-child alist-chain)
-	(g-lookup-font (hashq-ref (font-children node) def) alist-chain))))
+        (g-lookup-font desired-child alist-chain)
+        (g-lookup-font (hashq-ref (font-children node) def) alist-chain))))
 
 (define-method (g-lookup-font (node <Font-tree-leaf>) alist-chain)
   node)
@@ -176,32 +176,32 @@ used.  This is used to select the proper design size for the text fonts.
   (for-each
    (lambda (x)
      (add-font node
-	       (list (cons 'font-encoding (car x))
-		     (cons 'font-family family))
-	       (cons (* factor (cadr x))
-		     (caddr x))))
-   
+               (list (cons 'font-encoding (car x))
+                     (cons 'font-family family))
+               (cons (* factor (cadr x))
+                     (caddr x))))
+
    `((fetaText ,(ly:pt 20.0)
-	       ,(list->vector
-		 (map (lambda (tup)
-			(cons (ly:pt (cdr tup))
-			      (format #f "~a-~a ~a"
-				      name
-				      (car tup)
-				      (ly:pt (cdr tup)))))
-		      design-size-alist)))
+               ,(list->vector
+                 (map (lambda (tup)
+                        (cons (ly:pt (cdr tup))
+                              (format #f "~a-~a ~a"
+                                      name
+                                      (car tup)
+                                      (ly:pt (cdr tup)))))
+                      design-size-alist)))
      (fetaMusic ,(ly:pt 20.0)
-		,(list->vector
-		  (map (lambda (size-tup)
-			 (delay (ly:system-font-load
-				 (format #f "~a-~a" name (car size-tup)))))
-		       design-size-alist
-		       )))
+                ,(list->vector
+                  (map (lambda (size-tup)
+                         (delay (ly:system-font-load
+                                 (format #f "~a-~a" name (car size-tup)))))
+                       design-size-alist
+                       )))
      (fetaBraces ,(ly:pt 20.0)
-		 #(,(delay (ly:system-font-load
-			    (format #f "~a-brace" name)))))
+                 #(,(delay (ly:system-font-load
+                            (format #f "~a-brace" name)))))
      )))
-		 
+
 (define-public (add-pango-fonts node lily-family family factor)
   ;; Synchronized with the `text-font-size' variable in
   ;; layout-set-absolute-staff-size-in-module (see paper.scm).
@@ -209,19 +209,19 @@ used.  This is used to select the proper design size for the text fonts.
 
   (define (add-node shape series)
     (add-font node
-	      `((font-family . ,lily-family)
-		(font-shape . ,shape)
-		(font-series . ,series)
-		(font-encoding . latin1) ;; ugh.
-		)
-	      `(,text-font-size
-		. #(,(cons
-		     (ly:pt 12)
-		     (ly:make-pango-description-string
-		       `(((font-family . ,family)
-			  (font-series . ,series)
-			  (font-shape . ,shape)))
-		       (ly:pt 12)))))))
+              `((font-family . ,lily-family)
+                (font-shape . ,shape)
+                (font-series . ,series)
+                (font-encoding . latin1) ;; ugh.
+                )
+              `(,text-font-size
+                . #(,(cons
+                      (ly:pt 12)
+                      (ly:make-pango-description-string
+                       `(((font-family . ,family)
+                          (font-series . ,series)
+                          (font-shape . ,shape)))
+                       (ly:pt 12)))))))
 
   (add-node 'upright 'normal)
   (add-node 'caps 'normal)
@@ -239,8 +239,8 @@ used.  This is used to select the proper design size for the text fonts.
 
 (define-public (make-century-schoolbook-tree factor)
   (make-pango-font-tree
-    "Century Schoolbook L"
-    "sans-serif" "monospace" factor))
+   "Century Schoolbook L"
+   "sans-serif" "monospace" factor))
 
 (define-public all-text-font-encodings
   '(latin1))
diff --git a/scm/framework-eps.scm b/scm/framework-eps.scm
index 697073642d..c0087f46d2 100644
--- a/scm/framework-eps.scm
+++ b/scm/framework-eps.scm
@@ -20,15 +20,15 @@
 ;;; this is still too big a mess.
 
 (use-modules (ice-9 regex)
-	     (ice-9 string-fun)
-	     (guile)
-	     (scm framework-ps)
-	     (scm paper-system)
-	     (scm page)
-	     (scm output-ps)
-	     (srfi srfi-1)
-	     (srfi srfi-13)
-	     (lily))
+             (ice-9 string-fun)
+             (guile)
+             (scm framework-ps)
+             (scm paper-system)
+             (scm page)
+             (scm output-ps)
+             (srfi srfi-1)
+             (srfi srfi-13)
+             (lily))
 
 (define format
   ergonomic-simple-format)
@@ -42,18 +42,18 @@ stencil so that LaTeX's \\includegraphics command doesn't modify the
 alignment."
   (define left
     (if (pair? stencils)
-	(apply min
-	       (map (lambda (stc)
-		      (interval-start (ly:stencil-extent stc X)))
-		    stencils))
-	0.0))
+        (apply min
+               (map (lambda (stc)
+                      (interval-start (ly:stencil-extent stc X)))
+                    stencils))
+        0.0))
 
   (map (lambda (stil)
-	 (ly:make-stencil
-	  (ly:stencil-expr stil)
-	  (cons left
-		(cdr (ly:stencil-extent stil X)))
-	  (ly:stencil-extent stil Y)))
+         (ly:make-stencil
+          (ly:stencil-expr stil)
+          (cons left
+                (cdr (ly:stencil-extent stil X)))
+          (ly:stencil-extent stil Y)))
        stencils))
 
 (define (dump-stencils-as-EPSes stencils book basename)
@@ -62,7 +62,7 @@ alignment."
 
   (define paper
     (ly:paper-book-paper book))
-    
+
   (define create-aux-files
     (ly:get-option 'aux-files))
 
@@ -73,86 +73,86 @@ alignment."
   (define (dump-counted-stencil stencil-count-pair)
     "Return EPS filename."
     (let* ((stencil (car stencil-count-pair))
-	   (number (cdr stencil-count-pair))
-	   (name (format #f "~a-~a" basename number)))
+           (number (cdr stencil-count-pair))
+           (name (format #f "~a-~a" basename number)))
       (dump-stencil-as-EPS paper stencil name
-			   (ly:get-option 'include-eps-fonts))
+                           (ly:get-option 'include-eps-fonts))
       (string-append name ".eps")))
 
   ;; main body
-  ;; First, create the output, then if necessary, individual staves and 
+  ;; First, create the output, then if necessary, individual staves and
   ;; finally write some auxiliary files if desired
   (dump-infinite-stack-EPS stencils)
   (postprocess-output book framework-eps-module
-			(format #f "~a.eps" basename) (ly:output-formats))
+                      (format #f "~a.eps" basename) (ly:output-formats))
 
   ;; individual staves (*-1.eps etc.); only print if more than one stencil
   ;; Otherwise the .eps and the -1.eps file will be identical and waste space
   ;; Also always create if aux-files=##t
   (if (or create-aux-files (< 1 (length stencils)))
-    (let* ((widened-stencils (widen-left-stencil-edges stencils))
-	   (counted-systems  (count-list widened-stencils))
-	   (eps-files (map dump-counted-stencil counted-systems)))
-      (if do-pdf
-	  ;; par-for-each: a bit faster ...
-	  (for-each (lambda (y) (postscript->pdf 0 0 y))
-		    eps-files))))
+      (let* ((widened-stencils (widen-left-stencil-edges stencils))
+             (counted-systems  (count-list widened-stencils))
+             (eps-files (map dump-counted-stencil counted-systems)))
+        (if do-pdf
+            ;; par-for-each: a bit faster ...
+            (for-each (lambda (y) (postscript->pdf 0 0 y))
+                      eps-files))))
 
   ;; Now, write some aux files if requested: .texi, .tex and .count
   ;; for direct inclusion into latex and texinfo
   (if create-aux-files
-    (let* ((write-file (lambda (str-port ext)
-			 (if create-aux-files
-		           (let* ((name (format #f "~a-systems.~a" basename ext))
-			          (port (open-output-file name)))
-			     (ly:message (_ "Writing ~a...") name)
-			     (display (get-output-string str-port) port)
-			     (close-output-port port)))))
-	   (tex-system-port (open-output-string))
-	   (texi-system-port (open-output-string))
-	   (count-system-port (open-output-string)))
-      (for-each (lambda (c)
-		  (if (< 0 c)
-		      (format tex-system-port
-			        "\\ifx\\betweenLilyPondSystem \\undefined
+      (let* ((write-file (lambda (str-port ext)
+                           (if create-aux-files
+                               (let* ((name (format #f "~a-systems.~a" basename ext))
+                                      (port (open-output-file name)))
+                                 (ly:message (_ "Writing ~a...") name)
+                                 (display (get-output-string str-port) port)
+                                 (close-output-port port)))))
+             (tex-system-port (open-output-string))
+             (texi-system-port (open-output-string))
+             (count-system-port (open-output-string)))
+        (for-each (lambda (c)
+                    (if (< 0 c)
+                        (format tex-system-port
+                                "\\ifx\\betweenLilyPondSystem \\undefined
   \\linebreak
 \\else
   \\expandafter\\betweenLilyPondSystem{~a}%
 \\fi
 " c))
-		  (format tex-system-port "\\includegraphics{~a-~a}%\n"
-				   basename (1+ c))
-		  (format texi-system-port "@image{~a-~a}\n"
-				   basename (1+ c)))
-	        (iota (length stencils)))
-      (display "@c eof\n" texi-system-port)
-      (display "% eof\n" tex-system-port)
-      (format count-system-port "~a" (length stencils))
-      (write-file texi-system-port "texi")
-      (write-file tex-system-port "tex")
-      ;; do this as the last action so we know the rest is complete if
-      ;; this file is present.
-      (write-file count-system-port "count"))))
+                    (format tex-system-port "\\includegraphics{~a-~a}%\n"
+                            basename (1+ c))
+                    (format texi-system-port "@image{~a-~a}\n"
+                            basename (1+ c)))
+                  (iota (length stencils)))
+        (display "@c eof\n" texi-system-port)
+        (display "% eof\n" tex-system-port)
+        (format count-system-port "~a" (length stencils))
+        (write-file texi-system-port "texi")
+        (write-file tex-system-port "tex")
+        ;; do this as the last action so we know the rest is complete if
+        ;; this file is present.
+        (write-file count-system-port "count"))))
 
 (define-public (output-classic-framework basename book scopes fields)
   (output-scopes scopes fields basename)
   (if (ly:get-option 'dump-signatures)
       (write-system-signatures basename (ly:paper-book-systems book) 1))
   (dump-stencils-as-EPSes (map paper-system-stencil
-			       (ly:paper-book-systems book))
-			  book
-			  basename))
+                               (ly:paper-book-systems book))
+                          book
+                          basename))
 
 (define-public (output-framework basename book scopes fields)
   (output-scopes scopes fields basename)
   (if (ly:get-option 'clip-systems)
       (clip-system-EPSes basename book))
   (dump-stencils-as-EPSes (map page-stencil
-			       (ly:paper-book-pages book))
-			  book
-			  basename))
+                               (ly:paper-book-pages book))
+                          book
+                          basename))
 
-; redefine to imports from framework-ps
+                                        ; redefine to imports from framework-ps
 (define convert-to-pdf
   convert-to-pdf)
 
diff --git a/scm/framework-null.scm b/scm/framework-null.scm
index bcc58142e5..9671527185 100644
--- a/scm/framework-null.scm
+++ b/scm/framework-null.scm
@@ -5,16 +5,16 @@
   )
 
 (use-modules (ice-9 regex)
-	     (ice-9 string-fun)
-	     (guile)
-	     (srfi srfi-1)
-	     (ice-9 pretty-print)
-	     (srfi srfi-13)
-	     (lily))
+             (ice-9 string-fun)
+             (guile)
+             (srfi srfi-1)
+             (ice-9 pretty-print)
+             (srfi srfi-13)
+             (lily))
 
 (define-public (output-framework channel book scopes fields)
 
-  
+
   #t)
 
 (define-public output-classic-framework output-framework)
diff --git a/scm/framework-ps.scm b/scm/framework-ps.scm
index b412ab3269..7a9fb454ff 100644
--- a/scm/framework-ps.scm
+++ b/scm/framework-ps.scm
@@ -20,13 +20,13 @@
 ;;; this is still too big a mess.
 
 (use-modules (ice-9 string-fun)
-	     (guile)
-	     (scm page)
-	     (scm paper-system)
-	     (srfi srfi-1)
-	     (srfi srfi-13)
-	     (scm clip-region)
-	     (lily))
+             (guile)
+             (scm page)
+             (scm paper-system)
+             (srfi srfi-1)
+             (srfi srfi-13)
+             (scm clip-region)
+             (lily))
 
 (define format ergonomic-simple-format)
 
@@ -37,7 +37,7 @@
 
 (define-public (ps-font-command font)
   (let* ((name (ly:font-file-name font))
-	 (magnify (ly:font-magnification font)))
+         (magnify (ly:font-magnification font)))
     (string-append
      "magfont"
      (ly:string-substitute
@@ -45,7 +45,7 @@
       (ly:string-substitute
        "/" "_"
        (ly:string-substitute
-	"%" "_" name)))
+        "%" "_" name)))
      "m" (string-encode-integer (inexact->exact (round (* 1000 magnify)))))))
 
 (define (ps-define-pango-pf pango-pf font-name scaling)
@@ -76,13 +76,13 @@
 
   (string-append
    "/lily-output-units "
-     (number->string (/ (ly:bp 1))) " def %% millimeter\n"
+   (number->string (/ (ly:bp 1))) " def %% millimeter\n"
    (output-entry "staff-line-thickness" 'line-thickness)
    (output-entry "line-width" 'line-width)
    (output-entry "paper-size" 'papersizename)
-   (output-entry "staff-height" 'staff-height)	;junkme.
+   (output-entry "staff-height" 'staff-height)  ;junkme.
    "/output-scale "
-     (number->string (ly:output-def-lookup layout 'output-scale)) " def\n"
+   (number->string (ly:output-def-lookup layout 'output-scale)) " def\n"
    (output-entry "page-height" 'paper-height)
    (output-entry "page-width" 'paper-width)))
 
@@ -93,8 +93,8 @@
     (format #f "%%Page: ~a ~a\n" page-number page-number)
     "%%BeginPageSetup\n"
     (if landscape?
-	"page-width output-scale lily-output-units mul mul 0 translate 90 rotate\n"
-	"")
+        "page-width output-scale lily-output-units mul mul 0 translate 90 rotate\n"
+        "")
     "%%EndPageSetup\n"
     "\n"
     "true setstrokeadjust\n"
@@ -105,77 +105,77 @@
 (define (supplies-or-needs paper load-fonts?)
   (define (extract-names font)
     (if (ly:pango-font? font)
-	(map car (ly:pango-font-physical-fonts font))
-	(list (ly:font-name font))))
+        (map car (ly:pango-font-physical-fonts font))
+        (list (ly:font-name font))))
 
   (let* ((fonts (ly:paper-fonts paper))
-	 (names (apply append (map extract-names fonts))))
+         (names (apply append (map extract-names fonts))))
     (apply string-append
-	   (map (lambda (f)
-		  (format #f
-		   (if load-fonts?
-		       "%%DocumentSuppliedResources: font ~a\n"
-		       "%%DocumentNeededResources: font ~a\n")
-		   f))
-		(uniq-list (sort names string<?))))))
+           (map (lambda (f)
+                  (format #f
+                          (if load-fonts?
+                              "%%DocumentSuppliedResources: font ~a\n"
+                              "%%DocumentNeededResources: font ~a\n")
+                          f))
+                (uniq-list (sort names string<?))))))
 
 (define (eps-header paper bbox load-fonts?)
   (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
-		 "%%Creator: LilyPond " (lilypond-version) "\n"
-		 "%%BoundingBox: "
-		   (string-join (map ly:number->string bbox) " ") "\n"
-		 "%%Orientation: "
-		   (if (eq? (ly:output-def-lookup paper 'landscape) #t)
-		       "Landscape\n"
-		       "Portrait\n")
-		 (supplies-or-needs paper load-fonts?)
-		 "%%EndComments\n"))
+                 "%%Creator: LilyPond " (lilypond-version) "\n"
+                 "%%BoundingBox: "
+                 (string-join (map ly:number->string bbox) " ") "\n"
+                 "%%Orientation: "
+                 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
+                     "Landscape\n"
+                     "Portrait\n")
+                 (supplies-or-needs paper load-fonts?)
+                 "%%EndComments\n"))
 
 (define (ps-document-media paper)
   (let* ((w (/ (*
-		(ly:output-def-lookup paper 'output-scale)
-		(ly:output-def-lookup paper 'paper-width)) (ly:bp 1)))
-	 (h (/ (*
-		(ly:output-def-lookup paper 'paper-height)
-		(ly:output-def-lookup paper 'output-scale))
-	       (ly:bp 1)))
-	 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t)))
+                (ly:output-def-lookup paper 'output-scale)
+                (ly:output-def-lookup paper 'paper-width)) (ly:bp 1)))
+         (h (/ (*
+                (ly:output-def-lookup paper 'paper-height)
+                (ly:output-def-lookup paper 'output-scale))
+               (ly:bp 1)))
+         (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t)))
     (ly:format "%%DocumentMedia: ~a ~2f ~2f ~a ~a ~a\n"
-	       (ly:output-def-lookup paper 'papersizename)
-	       (if landscape? h w)
-	       (if landscape? w h)
-	       80   ;; weight
-	       "()" ;; color
-	       "()" ;; type
-    )))
+               (ly:output-def-lookup paper 'papersizename)
+               (if landscape? h w)
+               (if landscape? w h)
+               80   ;; weight
+               "()" ;; color
+               "()" ;; type
+               )))
 
 (define (file-header paper page-count load-fonts?)
   (string-append "%!PS-Adobe-3.0\n"
-		 "%%Creator: LilyPond " (lilypond-version) "\n"
-		 "%%Pages: " (number->string page-count) "\n"
-		 "%%PageOrder: Ascend\n"
-		 "%%Orientation: "
-		   (if (eq? (ly:output-def-lookup paper 'landscape) #t)
-		       "Landscape\n"
-		       "Portrait\n")
-		 (ps-document-media paper)
-		 (supplies-or-needs paper load-fonts?)
-		 "%%EndComments\n"))
+                 "%%Creator: LilyPond " (lilypond-version) "\n"
+                 "%%Pages: " (number->string page-count) "\n"
+                 "%%PageOrder: Ascend\n"
+                 "%%Orientation: "
+                 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
+                     "Landscape\n"
+                     "Portrait\n")
+                 (ps-document-media paper)
+                 (supplies-or-needs paper load-fonts?)
+                 "%%EndComments\n"))
 
 (define (procset file-name)
   (format #f
-   "%%BeginResource: procset (~a) 1 0
+          "%%BeginResource: procset (~a) 1 0
 ~a
 %%EndResource
 "
-   file-name (cached-file-contents file-name)))
+          file-name (cached-file-contents file-name)))
 
 (define (embed-document file-name)
   (format #f "%%BeginDocument: ~a
 ~a
 %%EndDocument
 "
-   file-name (cached-file-contents file-name)))
+          file-name (cached-file-contents file-name)))
 
 (define (setup-variables paper)
   (string-append
@@ -189,12 +189,12 @@
 
 (define-public (ps-embed-cff body font-set-name version)
   (let* ((binary-data
-	  (string-append
-	   (format #f "/~a ~s StartData " font-set-name (string-length body))
-	   body))
-	 (header
-	  (format #f
-	   "%%BeginResource: font ~a
+          (string-append
+           (format #f "/~a ~s StartData " font-set-name (string-length body))
+           body))
+         (header
+          (format #f
+                  "%%BeginResource: font ~a
 %!PS-Adobe-3.0 Resource-FontSet
 %%DocumentNeededResources: ProcSet (FontSetInit)
 %%Title: (FontSet/~a)
@@ -205,70 +205,70 @@
 /FontSetInit /ProcSet findresource begin
 %%BeginData: ~s Binary Bytes
 "
-	   font-set-name font-set-name version font-set-name
-	   (string-length binary-data)))
-	 (footer "\n%%EndData
+                  font-set-name font-set-name version font-set-name
+                  (string-length binary-data)))
+         (footer "\n%%EndData
 %%EndResource
 %%EndResource\n"))
     (string-append header
-		   binary-data
-		   footer)))
+                   binary-data
+                   footer)))
 
 (define (write-preamble paper load-fonts? port)
   (define (internal-font? file-name)
     (or (string-startswith file-name "Emmentaler")
-	(string-startswith file-name "emmentaler")
-	))
+        (string-startswith file-name "emmentaler")
+        ))
 
   (define (load-font-via-GS font-name-filename)
     (define (ps-load-file file-name)
       (if (string? file-name)
-	  (if (string-contains file-name (ly:get-option 'datadir))
-	      (begin
-		(set! file-name (ly:string-substitute (ly:get-option 'datadir)
-						      "" file-name))
-		(format #f
-		 "lilypond-datadir (~a) concatstrings (r) file .loadfont\n"
-		 file-name))
-	      (format #f "(~a) (r) file .loadfont\n" file-name))
-	  (format #f "% cannot find font file: ~a\n" file-name)))
+          (if (string-contains file-name (ly:get-option 'datadir))
+              (begin
+                (set! file-name (ly:string-substitute (ly:get-option 'datadir)
+                                                      "" file-name))
+                (format #f
+                        "lilypond-datadir (~a) concatstrings (r) file .loadfont\n"
+                        file-name))
+              (format #f "(~a) (r) file .loadfont\n" file-name))
+          (format #f "% cannot find font file: ~a\n" file-name)))
 
     (let* ((font (car font-name-filename))
-	   (name (cadr font-name-filename))
-	   (file-name (caddr font-name-filename))
-	   (bare-file-name (ly:find-file file-name)))
+           (name (cadr font-name-filename))
+           (file-name (caddr font-name-filename))
+           (bare-file-name (ly:find-file file-name)))
       (cons name
-	    (if (mac-font? bare-file-name)
-		(handle-mac-font name bare-file-name)
-		(cond
-		 ((internal-font? file-name)
-		  (ps-load-file (ly:find-file
-				 (format #f "~a.otf" file-name))))
-		 ((string? bare-file-name)
-		  (ps-load-file file-name))
-		 (else
-		  (ly:warning (_ "cannot embed ~S=~S") name file-name)
-		  ""))))))
+            (if (mac-font? bare-file-name)
+                (handle-mac-font name bare-file-name)
+                (cond
+                 ((internal-font? file-name)
+                  (ps-load-file (ly:find-file
+                                 (format #f "~a.otf" file-name))))
+                 ((string? bare-file-name)
+                  (ps-load-file file-name))
+                 (else
+                  (ly:warning (_ "cannot embed ~S=~S") name file-name)
+                  ""))))))
 
   (define (dir-join a b)
     (if (equal? a "")
-	b
-	(string-append a "/" b)))
+        b
+        (string-append a "/" b)))
 
   (define (dir-listing dir-name)
     (define (dir-helper dir lst)
       (let ((e (readdir dir)))
-	(if (eof-object? e)
-	    lst
-	    (dir-helper dir (cons e lst)))))
+        (if (eof-object? e)
+            lst
+            (dir-helper dir (cons e lst)))))
     (reverse (dir-helper (opendir dir-name) '())))
 
   (define (handle-mac-font name file-name)
     (let* ((dir-name (tmpnam))
-	   (files '())
-	   (status 0)
-	   (embed #f)
-	   (cwd (getcwd)))
+           (files '())
+           (status 0)
+           (embed #f)
+           (cwd (getcwd)))
       (mkdir dir-name #o700)
       (chdir dir-name)
       (set! status (ly:system (list "fondu" "-force" file-name)))
@@ -276,107 +276,107 @@
       (set! files (dir-listing dir-name))
       (for-each
        (lambda (f)
-	 (let* ((full-name (dir-join dir-name f)))
-	   (if (and (not embed)
-		    (equal? 'regular (stat:type (stat full-name)))
-		    (equal? name (ly:ttf-ps-name full-name)))
-	       (set! embed (font-file-as-ps-string name full-name 0)))
-	   (if (or (equal? "." f)
-		   (equal? ".." f))
-	       #t
-	       (delete-file full-name))))
+         (let* ((full-name (dir-join dir-name f)))
+           (if (and (not embed)
+                    (equal? 'regular (stat:type (stat full-name)))
+                    (equal? name (ly:ttf-ps-name full-name)))
+               (set! embed (font-file-as-ps-string name full-name 0)))
+           (if (or (equal? "." f)
+                   (equal? ".." f))
+               #t
+               (delete-file full-name))))
        files)
       (rmdir dir-name)
       (if (not embed)
-	  (begin
-	    (set! embed "% failed\n")
-	    (ly:warning (_ "cannot extract file matching ~a from ~a")
-			name file-name)))
+          (begin
+            (set! embed "% failed\n")
+            (ly:warning (_ "cannot extract file matching ~a from ~a")
+                        name file-name)))
       embed))
 
   (define (font-file-as-ps-string name file-name font-index)
     (let* ((downcase-file-name (string-downcase file-name)))
       (cond
        ((and file-name (string-endswith downcase-file-name ".pfa"))
-	(embed-document file-name))
+        (embed-document file-name))
        ((and file-name (string-endswith downcase-file-name ".pfb"))
-	(ly:pfb->pfa file-name))
+        (ly:pfb->pfa file-name))
        ((and file-name (string-endswith downcase-file-name ".ttf"))
-	(ly:ttf->pfa file-name))
+        (ly:ttf->pfa file-name))
        ((and file-name (string-endswith downcase-file-name ".ttc"))
-	(ly:ttf->pfa file-name font-index))
+        (ly:ttf->pfa file-name font-index))
        ((and file-name (string-endswith downcase-file-name ".otf"))
-	(ps-embed-cff (ly:otf->cff file-name) name 0))
+        (ps-embed-cff (ly:otf->cff file-name) name 0))
        (else
-	(ly:warning (_ "do not know how to embed ~S=~S") name file-name)
-	""))))
+        (ly:warning (_ "do not know how to embed ~S=~S") name file-name)
+        ""))))
 
   (define (mac-font? bare-file-name)
     (and (eq? PLATFORM 'darwin)
-	 bare-file-name
-	 (or (string-endswith bare-file-name ".dfont")
-	     (= (stat:size (stat bare-file-name)) 0))))
+         bare-file-name
+         (or (string-endswith bare-file-name ".dfont")
+             (= (stat:size (stat bare-file-name)) 0))))
 
   (define (load-font font-psname-filename-fontindex)
     (let* ((font (list-ref font-psname-filename-fontindex 0))
-	   (name (list-ref font-psname-filename-fontindex 1))
-	   (file-name (list-ref font-psname-filename-fontindex 2))
-	   (font-index (list-ref font-psname-filename-fontindex 3))
-	   (bare-file-name (ly:find-file file-name)))
+           (name (list-ref font-psname-filename-fontindex 1))
+           (file-name (list-ref font-psname-filename-fontindex 2))
+           (font-index (list-ref font-psname-filename-fontindex 3))
+           (bare-file-name (ly:find-file file-name)))
       (cons name
-	    (cond ((mac-font? bare-file-name)
-		   (handle-mac-font name bare-file-name))
-		  ((and font (cff-font? font))
-		   (ps-embed-cff (ly:otf-font-table-data font "CFF ")
-				 name
-				 0))
-		  (bare-file-name (font-file-as-ps-string
-				   name bare-file-name font-index))
-		  (else
-		   (ly:warning (_ "do not know how to embed font ~s ~s ~s")
-			       name file-name font))))))
+            (cond ((mac-font? bare-file-name)
+                   (handle-mac-font name bare-file-name))
+                  ((and font (cff-font? font))
+                   (ps-embed-cff (ly:otf-font-table-data font "CFF ")
+                                 name
+                                 0))
+                  (bare-file-name (font-file-as-ps-string
+                                   name bare-file-name font-index))
+                  (else
+                   (ly:warning (_ "do not know how to embed font ~s ~s ~s")
+                               name file-name font))))))
 
   (define (load-fonts paper)
     (let* ((fonts (ly:paper-fonts paper))
 
-	   ;; todo - doc format of list.
-	   (all-font-names
-	    (map
-	     (lambda (font)
-	       (cond ((string? (ly:font-file-name font))
-		      (list (list font
-				  (ly:font-name font)
-				  (ly:font-file-name font)
-				  #f)))
-		     ((ly:pango-font? font)
-		      (map (lambda (psname-filename-fontindex)
-			     (list #f
-				   (list-ref psname-filename-fontindex 0)
-				   (list-ref psname-filename-fontindex 1)
-				   (list-ref psname-filename-fontindex 2)))
-			   (ly:pango-font-physical-fonts font)))
-		     (else
-		      (ly:font-sub-fonts font))))
-	     fonts))
-	   (font-names (uniq-list
-			(sort (apply append all-font-names)
-			      (lambda (x y) (string<? (cadr x) (cadr y))))))
-
-	   ;; slightly spaghetti-ish: deciding what to load where
-	   ;; is smeared out.
-	   (font-loader
-	    (lambda (name)
-	      (cond ((ly:get-option 'gs-load-fonts)
-		     (load-font-via-GS name))
-		    ((ly:get-option 'gs-load-lily-fonts)
-		     (if (or (string-contains (caddr name)
-					      (ly:get-option 'datadir))
-			     (internal-font? (caddr name)))
-			 (load-font-via-GS name)
-			 (load-font name)))
-		    (else
-		     (load-font name)))))
-	   (pfas (map font-loader font-names)))
+           ;; todo - doc format of list.
+           (all-font-names
+            (map
+             (lambda (font)
+               (cond ((string? (ly:font-file-name font))
+                      (list (list font
+                                  (ly:font-name font)
+                                  (ly:font-file-name font)
+                                  #f)))
+                     ((ly:pango-font? font)
+                      (map (lambda (psname-filename-fontindex)
+                             (list #f
+                                   (list-ref psname-filename-fontindex 0)
+                                   (list-ref psname-filename-fontindex 1)
+                                   (list-ref psname-filename-fontindex 2)))
+                           (ly:pango-font-physical-fonts font)))
+                     (else
+                      (ly:font-sub-fonts font))))
+             fonts))
+           (font-names (uniq-list
+                        (sort (apply append all-font-names)
+                              (lambda (x y) (string<? (cadr x) (cadr y))))))
+
+           ;; slightly spaghetti-ish: deciding what to load where
+           ;; is smeared out.
+           (font-loader
+            (lambda (name)
+              (cond ((ly:get-option 'gs-load-fonts)
+                     (load-font-via-GS name))
+                    ((ly:get-option 'gs-load-lily-fonts)
+                     (if (or (string-contains (caddr name)
+                                              (ly:get-option 'datadir))
+                             (internal-font? (caddr name)))
+                         (load-font-via-GS name)
+                         (load-font name)))
+                    (else
+                     (load-font name)))))
+           (pfas (map font-loader font-names)))
       pfas))
 
 
@@ -387,10 +387,10 @@
    (ly:get-option 'datadir))
   (if load-fonts?
       (for-each (lambda (f)
-		  (format port "\n%%BeginFont: ~a\n" (car f))
-		  (display (cdr f) port)
-		  (display "%%EndFont\n" port))
-		(load-fonts paper)))
+                  (format port "\n%%BeginFont: ~a\n" (car f))
+                  (display (cdr f) port)
+                  (display "%%EndFont\n" port))
+                (load-fonts paper)))
   (display (setup-variables paper) port)
 
   ;; adobe note 5002: should initialize variables before loading routines.
@@ -400,15 +400,15 @@
   (display "%%BeginSetup\ninit-lilypond-parameters\n%%EndSetup\n\n" port))
 
 (define (ps-quote str)
-        (fold
-          (lambda (replacement-list result)
-                  (string-join
-                    (string-split
-                      result
-                      (car replacement-list))
-                    (cadr replacement-list)))
-          str
-          '((#\\ "\\\\") (#\( "\\(") (#\) "\\)"))))
+  (fold
+   (lambda (replacement-list result)
+     (string-join
+      (string-split
+       result
+       (car replacement-list))
+      (cadr replacement-list)))
+   str
+   '((#\\ "\\\\") (#\( "\\(") (#\) "\\)"))))
 
 ;;; Create DOCINFO pdfmark containing metadata
 ;;; header fields with pdf prefix override those without the prefix
@@ -421,10 +421,10 @@
     (ps-quote (ly:encode-string-for-pdf val)))
   (define (metadata-lookup-output overridevar fallbackvar field)
     (let* ((overrideval (ly:modules-lookup (list header) overridevar))
-	   (fallbackval (ly:modules-lookup (list header) fallbackvar))
-	   (val (if overrideval overrideval fallbackval)))
+           (fallbackval (ly:modules-lookup (list header) fallbackvar))
+           (val (if overrideval overrideval fallbackval)))
       (if val
-	  (format port "/~a (~a)\n" field (metadata-encode (markup->string val (list header)))))))
+          (format port "/~a (~a)\n" field (metadata-encode (markup->string val (list header)))))))
   (display "[ " port)
   (metadata-lookup-output 'pdfcomposer 'composer "Author")
   (format port "/Creator (LilyPond ~a)\n" (lilypond-version))
@@ -442,31 +442,31 @@
 
 (define-public (output-framework basename book scopes fields)
   (let* ((filename (format #f "~a.ps" basename))
-	 (outputter (ly:make-paper-outputter
-		     ;; FIXME: better wrap open/open-file,
-		     ;; content-mangling is always bad.
-		     ;; MINGW hack: need to have "b"inary for embedding CFFs
-		     (open-file filename "wb")
-		     'ps))
-	 (paper (ly:paper-book-paper book))
-	 (header (ly:paper-book-header book))
-	 (systems (ly:paper-book-systems book))
-	 (page-stencils (map page-stencil (ly:paper-book-pages book)))
-	 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
-	 (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
-	 (page-count (length page-stencils))
-	 (port (ly:outputter-port outputter)))
+         (outputter (ly:make-paper-outputter
+                     ;; FIXME: better wrap open/open-file,
+                     ;; content-mangling is always bad.
+                     ;; MINGW hack: need to have "b"inary for embedding CFFs
+                     (open-file filename "wb")
+                     'ps))
+         (paper (ly:paper-book-paper book))
+         (header (ly:paper-book-header book))
+         (systems (ly:paper-book-systems book))
+         (page-stencils (map page-stencil (ly:paper-book-pages book)))
+         (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
+         (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
+         (page-count (length page-stencils))
+         (port (ly:outputter-port outputter)))
     (if (ly:get-option 'clip-systems)
-	(clip-system-EPSes basename book))
+        (clip-system-EPSes basename book))
     (if (ly:get-option 'dump-signatures)
-	(write-system-signatures basename (ly:paper-book-systems book) 1))
+        (write-system-signatures basename (ly:paper-book-systems book) 1))
     (output-scopes scopes fields basename)
     (display (file-header paper page-count #t) port)
     ;; don't do BeginDefaults PageMedia: A4
     ;; not necessary and wrong
     (write-preamble paper #t port)
     (if (module? header)
-	(handle-metadata header port))
+        (handle-metadata header port))
     (for-each
      (lambda (page)
        (set! page-number (1+ page-number))
@@ -475,68 +475,68 @@
     (display "%%Trailer\n%%EOF\n" port)
     (ly:outputter-close outputter)
     (postprocess-output book framework-ps-module filename
-			(ly:output-formats))))
+                        (ly:output-formats))))
 
 (define-public (dump-stencil-as-EPS paper dump-me filename
-				    load-fonts)
+                                    load-fonts)
   (let* ((xext (ly:stencil-extent dump-me X))
-	 (yext (ly:stencil-extent dump-me Y))
-	 (padding (ly:get-option 'eps-box-padding))
-	 (left-overshoot (if (number? padding)
-			     (* -1 padding (ly:output-def-lookup paper 'mm))
-			     #f))
-	 (bbox
-	  (map
-	   (lambda (x)
-	     (if (or (nan? x) (inf? x)
-		     ;; FIXME: huh?
-		     (equal? (format #f "~S" x) "+#.#")
-		     (equal? (format #f "~S" x) "-#.#"))
-		 0.0 x))
-
-	   ;; the left-overshoot is to make sure that
-	   ;; bar numbers stick out of margin uniformly.
-	   ;;
-	   (list
-	    (if (number? left-overshoot)
-		(min left-overshoot (car xext))
-		(car xext))
-	    (car yext) (cdr xext) (cdr yext)))))
+         (yext (ly:stencil-extent dump-me Y))
+         (padding (ly:get-option 'eps-box-padding))
+         (left-overshoot (if (number? padding)
+                             (* -1 padding (ly:output-def-lookup paper 'mm))
+                             #f))
+         (bbox
+          (map
+           (lambda (x)
+             (if (or (nan? x) (inf? x)
+                     ;; FIXME: huh?
+                     (equal? (format #f "~S" x) "+#.#")
+                     (equal? (format #f "~S" x) "-#.#"))
+                 0.0 x))
+
+           ;; the left-overshoot is to make sure that
+           ;; bar numbers stick out of margin uniformly.
+           ;;
+           (list
+            (if (number? left-overshoot)
+                (min left-overshoot (car xext))
+                (car xext))
+            (car yext) (cdr xext) (cdr yext)))))
     (dump-stencil-as-EPS-with-bbox paper dump-me filename load-fonts bbox)))
 
 (define-public (dump-stencil-as-EPS-with-bbox paper dump-me filename
-					      load-fonts
-					      bbox)
+                                              load-fonts
+                                              bbox)
   "Create an EPS file from stencil @var{dump-me} to @var{filename}.
 @var{bbox} has format @code{(left-x, lower-y, right-x, upper-y)}.  If
 @var{load-fonts} set, include fonts inline."
   (define (to-rounded-bp-box box)
     "Convert box to 1/72 inch with rounding to enlarge the box."
     (let* ((scale (ly:output-def-lookup paper 'output-scale))
-	   (strip-non-number (lambda (x)
-			       (if (or (nan? x)
-				       (inf? x))
-				   0.0
-				   x)))
-	   (directed-round (lambda (x rounder)
-			     (inexact->exact
-			      (rounder (/ (* (strip-non-number x) scale)
-					  (ly:bp 1)))))))
+           (strip-non-number (lambda (x)
+                               (if (or (nan? x)
+                                       (inf? x))
+                                   0.0
+                                   x)))
+           (directed-round (lambda (x rounder)
+                             (inexact->exact
+                              (rounder (/ (* (strip-non-number x) scale)
+                                          (ly:bp 1)))))))
       (list (directed-round (car box) floor)
-	    (directed-round (cadr box) floor)
-	    (directed-round (max (1+ (car box)) (caddr box)) ceiling)
-	    (directed-round (max (1+ (cadr box)) (cadddr box)) ceiling))))
+            (directed-round (cadr box) floor)
+            (directed-round (max (1+ (car box)) (caddr box)) ceiling)
+            (directed-round (max (1+ (cadr box)) (cadddr box)) ceiling))))
 
   (let* ((outputter (ly:make-paper-outputter
-		     ;; FIXME: better wrap open/open-file,
-		     ;; content-mangling is always bad.
-		     ;; MINGW hack: need to have "b"inary for embedding CFFs
-		     (open-file (format #f "~a.eps" filename) "wb")
-		     'ps))
-	 (port (ly:outputter-port outputter))
-	 (rounded-bbox (to-rounded-bp-box bbox))
-	 (port (ly:outputter-port outputter))
-	 (header (eps-header paper rounded-bbox load-fonts)))
+                     ;; FIXME: better wrap open/open-file,
+                     ;; content-mangling is always bad.
+                     ;; MINGW hack: need to have "b"inary for embedding CFFs
+                     (open-file (format #f "~a.eps" filename) "wb")
+                     'ps))
+         (port (ly:outputter-port outputter))
+         (rounded-bbox (to-rounded-bp-box bbox))
+         (port (ly:outputter-port outputter))
+         (header (eps-header paper rounded-bbox load-fonts)))
     (display header port)
     (write-preamble paper load-fonts port)
     (display "gsave set-ps-scale-to-lily-scale\n" port)
@@ -546,36 +546,36 @@
 
 (define (clip-systems-to-region basename paper systems region do-pdf do-png)
   (let* ((extents-system-pairs
-	  (filtered-map (lambda (paper-system)
-			  (let* ((x-ext (system-clipped-x-extent
-					 (paper-system-system-grob paper-system)
-					 region)))
-			    (if x-ext
-				(cons x-ext paper-system)
-				#f)))
-			systems))
-	 (count 0))
+          (filtered-map (lambda (paper-system)
+                          (let* ((x-ext (system-clipped-x-extent
+                                         (paper-system-system-grob paper-system)
+                                         region)))
+                            (if x-ext
+                                (cons x-ext paper-system)
+                                #f)))
+                        systems))
+         (count 0))
     (for-each
      (lambda (ext-system-pair)
        (let* ((xext (car ext-system-pair))
-	      (paper-system (cdr ext-system-pair))
-	      (yext (paper-system-extent paper-system Y))
-	      (bbox (list (car xext) (car yext)
-			  (cdr xext) (cdr yext)))
-	      (filename (if (< 0 count)
-			    (format #f "~a-~a" basename count)
-			    basename)))
-	 (set! count (1+ count))
-	 (dump-stencil-as-EPS-with-bbox paper
-					(paper-system-stencil paper-system)
-					filename
-					(ly:get-option 'include-eps-fonts)
-					bbox)
-	 (if do-pdf
-	     (postscript->pdf 0 0 (format #f "~a.eps" filename)))
-	 (if do-png
-	     (postscript->png (ly:get-option 'resolution) 0 0
-			      (format #f "~a.eps" filename)))))
+              (paper-system (cdr ext-system-pair))
+              (yext (paper-system-extent paper-system Y))
+              (bbox (list (car xext) (car yext)
+                          (cdr xext) (cdr yext)))
+              (filename (if (< 0 count)
+                            (format #f "~a-~a" basename count)
+                            basename)))
+         (set! count (1+ count))
+         (dump-stencil-as-EPS-with-bbox paper
+                                        (paper-system-stencil paper-system)
+                                        filename
+                                        (ly:get-option 'include-eps-fonts)
+                                        bbox)
+         (if do-pdf
+             (postscript->pdf 0 0 (format #f "~a.eps" filename)))
+         (if do-png
+             (postscript->png (ly:get-option 'resolution) 0 0
+                              (format #f "~a.eps" filename)))))
      extents-system-pairs)))
 
 (define-public (clip-system-EPSes basename paper-book)
@@ -586,76 +586,76 @@
 
   (define (clip-score-systems basename systems)
     (let* ((layout (ly:grob-layout (paper-system-system-grob (car systems))))
-	   (regions (ly:output-def-lookup layout 'clip-regions)))
+           (regions (ly:output-def-lookup layout 'clip-regions)))
       (for-each
        (lambda (region)
-	 (clip-systems-to-region
-	  (format #f "~a-from-~a-to-~a-clip"
-		  basename
-		  (rhythmic-location->file-string (car region))
-		  (rhythmic-location->file-string (cdr region)))
-	  layout systems region
-	  do-pdf do-png))
+         (clip-systems-to-region
+          (format #f "~a-from-~a-to-~a-clip"
+                  basename
+                  (rhythmic-location->file-string (car region))
+                  (rhythmic-location->file-string (cdr region)))
+          layout systems region
+          do-pdf do-png))
        regions)))
 
   ;; partition in system lists sharing their layout blocks
   (let* ((systems (ly:paper-book-systems paper-book))
-	 (count 0)
-	 (score-system-list '()))
+         (count 0)
+         (score-system-list '()))
     (fold
      (lambda (system last-system)
        (if (not (and last-system
-		     (equal? (paper-system-layout last-system)
-			     (paper-system-layout system))))
-	   (set! score-system-list (cons '() score-system-list)))
+                     (equal? (paper-system-layout last-system)
+                             (paper-system-layout system))))
+           (set! score-system-list (cons '() score-system-list)))
        (if (paper-system-layout system)
-	   (set-car! score-system-list (cons system (car score-system-list))))
+           (set-car! score-system-list (cons system (car score-system-list))))
        ;; pass value.
        system)
      #f
      systems)
     (for-each (lambda (system-list)
-		;; filter out headers and top-level markup
-		(if (pair? system-list)
-		    (clip-score-systems
-		     (if (> count 0)
-			 (format #f "~a-~a" basename count)
-			 basename)
-		     system-list)))
-	      score-system-list)))
+                ;; filter out headers and top-level markup
+                (if (pair? system-list)
+                    (clip-score-systems
+                     (if (> count 0)
+                         (format #f "~a-~a" basename count)
+                         basename)
+                     system-list)))
+              score-system-list)))
 
 (define-public (output-preview-framework basename book scopes fields)
   (let* ((paper (ly:paper-book-paper book))
-	 (systems (relevant-book-systems book))
-	 (to-dump-systems (relevant-dump-systems systems)))
+         (systems (relevant-book-systems book))
+         (to-dump-systems (relevant-dump-systems systems)))
     (dump-stencil-as-EPS paper
-			 (stack-stencils Y DOWN 0.0
-					 (map paper-system-stencil
-					      (reverse to-dump-systems)))
-			 (format #f "~a.preview" basename)
-			 #t)
+                         (stack-stencils Y DOWN 0.0
+                                         (map paper-system-stencil
+                                              (reverse to-dump-systems)))
+                         (format #f "~a.preview" basename)
+                         #t)
     (postprocess-output book framework-ps-module
-			(format #f "~a.preview.eps" basename)
-			(cons "png" (ly:output-formats)))))
+                        (format #f "~a.preview.eps" basename)
+                        (cons "png" (ly:output-formats)))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (define (output-width-height defs)
   (let* ((landscape (ly:output-def-lookup defs 'landscape))
-	 (output-scale (ly:output-def-lookup defs 'output-scale))
-	 (convert (lambda (x)
-		    (* x output-scale (/ (ly:bp 1)))))
-	 (paper-width (convert (ly:output-def-lookup defs 'paper-width)))
-	 (paper-height (convert (ly:output-def-lookup defs 'paper-height)))
-	 (w (if landscape paper-height paper-width))
-	 (h (if landscape paper-width paper-height)))
+         (output-scale (ly:output-def-lookup defs 'output-scale))
+         (convert (lambda (x)
+                    (* x output-scale (/ (ly:bp 1)))))
+         (paper-width (convert (ly:output-def-lookup defs 'paper-width)))
+         (paper-height (convert (ly:output-def-lookup defs 'paper-height)))
+         (w (if landscape paper-height paper-width))
+         (h (if landscape paper-width paper-height)))
     (cons w h)))
 
 (define (output-resolution defs)
   (let ((defs-resolution (ly:output-def-lookup defs 'pngresolution)))
     (if (number? defs-resolution)
-	defs-resolution
-	(ly:get-option 'resolution))))
+        defs-resolution
+        (ly:get-option 'resolution))))
 
 (define (output-filename name)
   (if (equal? (basename name ".ps") "-")
@@ -664,19 +664,19 @@
 
 (define-public (convert-to-pdf book name)
   (let* ((defs (ly:paper-book-paper book))
-	 (width-height (output-width-height defs))
-	 (width (car width-height))
-	 (height (cdr width-height))
-	 (filename (output-filename name)))
+         (width-height (output-width-height defs))
+         (width (car width-height))
+         (height (cdr width-height))
+         (filename (output-filename name)))
     (postscript->pdf width height filename)))
 
 (define-public (convert-to-png book name)
   (let* ((defs (ly:paper-book-paper book))
-	 (resolution (output-resolution defs))
-	 (width-height (output-width-height defs))
-	 (width (car width-height))
-	 (height (cdr width-height))
-	 (filename (output-filename name)))
+         (resolution (output-resolution defs))
+         (width-height (output-width-height defs))
+         (width (car width-height))
+         (height (cdr width-height))
+         (filename (output-filename name)))
     (postscript->png resolution width height filename)))
 
 (define-public (convert-to-ps book name)
diff --git a/scm/framework-scm.scm b/scm/framework-scm.scm
index a47eb185fd..325ef9a0bc 100644
--- a/scm/framework-scm.scm
+++ b/scm/framework-scm.scm
@@ -3,31 +3,31 @@
 (define-module (scm framework-scm))
 
 (use-modules
-  (ice-9 regex)
-  (ice-9 string-fun)
-  (guile)
-  (srfi srfi-1)
-  (ice-9 pretty-print)
-  (srfi srfi-13)
-  (scm page)
-  (lily))
+ (ice-9 regex)
+ (ice-9 string-fun)
+ (guile)
+ (srfi srfi-1)
+ (ice-9 pretty-print)
+ (srfi srfi-13)
+ (scm page)
+ (lily))
 
 (define format ergonomic-simple-format)
 
 (define-public (output-framework basename book scopes fields)
   (let* ((file (open-output-file (format #f "~a.scm" basename))))
-    
+
     (display ";;Creator: LilyPond\n" file)
     (display ";; raw SCM output\n" file)
-    
+
     (for-each
-      (lambda (page)
-	(display ";;;;;;;;;;;;;;;;;;;;;;;;;;\n;;;PAGE\n" file)
-	;; The following two lines are alternates
-	;(pretty-print (ly:stencil-expr page) file)
-	(write (ly:stencil-expr page) file)
-	)
-      (map page-stencil (ly:paper-book-pages book)))))
+     (lambda (page)
+       (display ";;;;;;;;;;;;;;;;;;;;;;;;;;\n;;;PAGE\n" file)
+       ;; The following two lines are alternates
+                                        ;(pretty-print (ly:stencil-expr page) file)
+       (write (ly:stencil-expr page) file)
+       )
+     (map page-stencil (ly:paper-book-pages book)))))
 
 (define-public output-classic-framework output-framework)
 
diff --git a/scm/framework-socket.scm b/scm/framework-socket.scm
index dd54293555..3eaf4710d1 100644
--- a/scm/framework-socket.scm
+++ b/scm/framework-socket.scm
@@ -5,72 +5,72 @@
   )
 
 (use-modules (ice-9 regex)
-	     (ice-9 string-fun)
-	     (scm paper-system)
-	     (ice-9 format)
-	     (guile)
-	     (srfi srfi-1)
-	     (ice-9 pretty-print)
-	     (srfi srfi-13)
-	     (lily))
+             (ice-9 string-fun)
+             (scm paper-system)
+             (ice-9 format)
+             (guile)
+             (srfi srfi-1)
+             (ice-9 pretty-print)
+             (srfi srfi-13)
+             (lily))
 
 (define (get-page-dimensions paper)
   (let* ((landscape (ly:output-def-lookup paper 'landscape))
-	 (output-scale (ly:output-def-lookup paper 'output-scale))
-	 (paper-width (ly:output-def-lookup paper 'paper-width))
-	 (paper-height (ly:output-def-lookup paper 'paper-height))
-	 (indent (ly:output-def-lookup paper 'indent))
-	 (line-width (ly:output-def-lookup paper 'line-width))
-	 (plain-left-margin (ly:output-def-lookup paper 'left-margin))
-	 (top-margin (ly:output-def-lookup paper 'top-margin))
-	 (w (if landscape paper-height paper-width))
-	 (h (if landscape paper-width paper-height))
-	 (left-margin (if (null? plain-left-margin)
-			  (/ (- w line-width) 2)
-			  plain-left-margin))
-;;	 (list w h left-margin top-margin indent line-width)))
-;;    	 (convert (lambda (x) (* x output-scale (/ (ly:bp 1))))))
-	 (unit-length (ly:output-def-lookup paper 'output-scale))
-	 (convert (lambda (x) (* x lily-unit->mm-factor unit-length))))
+         (output-scale (ly:output-def-lookup paper 'output-scale))
+         (paper-width (ly:output-def-lookup paper 'paper-width))
+         (paper-height (ly:output-def-lookup paper 'paper-height))
+         (indent (ly:output-def-lookup paper 'indent))
+         (line-width (ly:output-def-lookup paper 'line-width))
+         (plain-left-margin (ly:output-def-lookup paper 'left-margin))
+         (top-margin (ly:output-def-lookup paper 'top-margin))
+         (w (if landscape paper-height paper-width))
+         (h (if landscape paper-width paper-height))
+         (left-margin (if (null? plain-left-margin)
+                          (/ (- w line-width) 2)
+                          plain-left-margin))
+         ;;      (list w h left-margin top-margin indent line-width)))
+         ;;      (convert (lambda (x) (* x output-scale (/ (ly:bp 1))))))
+         (unit-length (ly:output-def-lookup paper 'output-scale))
+         (convert (lambda (x) (* x lily-unit->mm-factor unit-length))))
     (map convert (list w h left-margin top-margin indent line-width))))
 
 (define-public (output-framework channel book scopes fields)
   (let* ((ctor-arg (if (string? channel)
-		       (open-output-file (format #f "~a.socket" channel))
-		       channel))
-	 (outputter (ly:make-paper-outputter
-		     ctor-arg
-		     'socket))
-	 (systems (ly:paper-book-systems book))
-	 (paper (ly:paper-book-paper book))
-	 (pages (ly:paper-book-pages book)))
+                       (open-output-file (format #f "~a.socket" channel))
+                       channel))
+         (outputter (ly:make-paper-outputter
+                     ctor-arg
+                     'socket))
+         (systems (ly:paper-book-systems book))
+         (paper (ly:paper-book-paper book))
+         (pages (ly:paper-book-pages book)))
     (for-each (lambda (x)
-		(let* ((system-stencil (paper-system-stencil x))
-		       (x-extent (ly:stencil-extent system-stencil X))
-		       (y-extent (ly:stencil-extent system-stencil Y)))
-		  (display (ly:format "system ~4l ~4l ~4l ~4l\n"
-			  (car x-extent) (car y-extent) (cdr x-extent) (cdr y-extent)) ctor-arg)
-		  (ly:outputter-dump-stencil outputter system-stencil)))
-	      systems)))
+                (let* ((system-stencil (paper-system-stencil x))
+                       (x-extent (ly:stencil-extent system-stencil X))
+                       (y-extent (ly:stencil-extent system-stencil Y)))
+                  (display (ly:format "system ~4l ~4l ~4l ~4l\n"
+                                      (car x-extent) (car y-extent) (cdr x-extent) (cdr y-extent)) ctor-arg)
+                  (ly:outputter-dump-stencil outputter system-stencil)))
+              systems)))
 
 (define-public (output-classic-framework channel book scopes fields)
   (let* ((ctor-arg (if (string? channel)
-		       (open-output-file (format #f "~a.socket" channel))
-		       channel))
-	 (outputter (ly:make-paper-outputter
-		     ctor-arg
-		     'socket))
-	 (systems (ly:paper-book-systems book))
-	 (paper (ly:paper-book-paper book)))
+                       (open-output-file (format #f "~a.socket" channel))
+                       channel))
+         (outputter (ly:make-paper-outputter
+                     ctor-arg
+                     'socket))
+         (systems (ly:paper-book-systems book))
+         (paper (ly:paper-book-paper book)))
     (display (ly:format "paper ~4l\n" (get-page-dimensions paper)) ctor-arg)
     (for-each (lambda (x)
-		(let* ((system-stencil (paper-system-stencil x))
-		       (x-extent (ly:stencil-extent system-stencil X))
-		       (y-extent (ly:stencil-extent system-stencil Y)))
-		  (display (ly:format "system ~4l ~4l ~4l ~4l\n"
-			  (car x-extent) (car y-extent) (cdr x-extent) (cdr y-extent)) ctor-arg)
-		  (ly:outputter-dump-stencil outputter system-stencil)))
-	      systems)))
+                (let* ((system-stencil (paper-system-stencil x))
+                       (x-extent (ly:stencil-extent system-stencil X))
+                       (y-extent (ly:stencil-extent system-stencil Y)))
+                  (display (ly:format "system ~4l ~4l ~4l ~4l\n"
+                                      (car x-extent) (car y-extent) (cdr x-extent) (cdr y-extent)) ctor-arg)
+                  (ly:outputter-dump-stencil outputter system-stencil)))
+              systems)))
 
 (define-public (convert-to-ps . args) #t)
 (define-public (convert-to-pdf . args) #t)
diff --git a/scm/framework-svg.scm b/scm/framework-svg.scm
index 84deff1b5f..dad8bfa0f7 100644
--- a/scm/framework-svg.scm
+++ b/scm/framework-svg.scm
@@ -32,15 +32,15 @@
 (define-module (scm framework-svg))
 
 (use-modules
-  (guile)
-  (lily)
-  (scm page)
-  (scm paper-system)
-  (scm output-svg)
-  (srfi srfi-1)
-  (srfi srfi-2)
-  (srfi srfi-13)
-  (ice-9 regex))
+ (guile)
+ (lily)
+ (scm page)
+ (scm paper-system)
+ (scm output-svg)
+ (srfi srfi-1)
+ (srfi srfi-2)
+ (srfi srfi-13)
+ (ice-9 regex))
 
 (define format ergonomic-simple-format)
 
@@ -52,8 +52,8 @@
       `(width . ,(ly:format "~2fmm" (first rest)))
       `(height . ,(ly:format "~2fmm" (second rest)))
       `(viewBox . ,(ly:format "~4f ~4f ~4f ~4f"
-			      (third rest) (fourth rest)
-			      (fifth rest) (sixth rest)))))
+                              (third rest) (fourth rest)
+                              (fifth rest) (sixth rest)))))
 
 (define (svg-end)
   (ec 'svg))
@@ -61,40 +61,40 @@
 (define (mkdirs dir-name mode)
   (let loop ((dir-name (string-split dir-name #\/)) (root ""))
     (if (pair? dir-name)
-	(let ((dir (string-append root (car dir-name))))
-	  (if (not (file-exists? dir))
-	      (mkdir dir mode))
-	  (loop (cdr dir-name) (string-append dir "/"))))))
-   
+        (let ((dir (string-append root (car dir-name))))
+          (if (not (file-exists? dir))
+              (mkdir dir mode))
+          (loop (cdr dir-name) (string-append dir "/"))))))
+
 (define output-dir #f)
 
 (define (svg-define-font font font-name scaling)
   (let* ((base-file-name (basename (if (list? font) (pango-pf-file-name font)
-				       (ly:font-file-name font)) ".otf"))
-	 (woff-file-name (string-regexp-substitute "([.]otf)?$" ".woff"
-						    base-file-name))
-	 (woff-file (or (ly:find-file woff-file-name) "/no-such-file.woff"))
-	 (url (string-append output-dir "/fonts/" (lilypond-version) "/"
-			     (basename woff-file-name)))
-	 (lower-name (string-downcase font-name)))
+                                       (ly:font-file-name font)) ".otf"))
+         (woff-file-name (string-regexp-substitute "([.]otf)?$" ".woff"
+                                                   base-file-name))
+         (woff-file (or (ly:find-file woff-file-name) "/no-such-file.woff"))
+         (url (string-append output-dir "/fonts/" (lilypond-version) "/"
+                             (basename woff-file-name)))
+         (lower-name (string-downcase font-name)))
     (if (file-exists? woff-file)
-	(begin
-	  (if (not (file-exists? url))
-	      (begin
-		(ly:message (_ "Updating font into: ~a") url)
-		(mkdirs (string-append output-dir "/" (dirname url)) #o700)
-		(copy-file woff-file url)
-		(ly:progress "\n")))
-	  (ly:format
-	   "@font-face {
+        (begin
+          (if (not (file-exists? url))
+              (begin
+                (ly:message (_ "Updating font into: ~a") url)
+                (mkdirs (string-append output-dir "/" (dirname url)) #o700)
+                (copy-file woff-file url)
+                (ly:progress "\n")))
+          (ly:format
+           "@font-face {
 font-family: '~a';
 font-weight: normal;
 font-style: normal;
 src: url('~a');
 }
 "
-	   font-name url))
-	"")))
+           font-name url))
+        "")))
 
 (define (woff-header paper dir)
   "TODO:
@@ -115,57 +115,57 @@ src: url('~a');
 
 (define (dump-page paper filename page page-number page-count)
   (let* ((outputter (ly:make-paper-outputter (open-file filename "wb") 'svg))
-	 (dump (lambda (str) (display str (ly:outputter-port outputter))))
-	 (lookup (lambda (x) (ly:output-def-lookup paper x)))
-	 (unit-length (lookup 'output-scale))
-	 (output-scale (* lily-unit->mm-factor unit-length))
-	 (device-width (lookup 'paper-width))
-	 (device-height (lookup 'paper-height))
-	 (page-width (* output-scale device-width))
-	 (page-height (* output-scale device-height)))
+         (dump (lambda (str) (display str (ly:outputter-port outputter))))
+         (lookup (lambda (x) (ly:output-def-lookup paper x)))
+         (unit-length (lookup 'output-scale))
+         (output-scale (* lily-unit->mm-factor unit-length))
+         (device-width (lookup 'paper-width))
+         (device-height (lookup 'paper-height))
+         (page-width (* output-scale device-width))
+         (page-height (* output-scale device-height)))
 
     (if (ly:get-option 'svg-woff)
-	(module-define! (ly:outputter-module outputter) 'paper paper))
+        (module-define! (ly:outputter-module outputter) 'paper paper))
     (dump (svg-begin page-width page-height
-		     0 0 device-width device-height))
+                     0 0 device-width device-height))
     (if (ly:get-option 'svg-woff)
-	(module-remove! (ly:outputter-module outputter) 'paper))
+        (module-remove! (ly:outputter-module outputter) 'paper))
     (if (ly:get-option 'svg-woff)
-	(dump (woff-header paper (dirname filename))))
+        (dump (woff-header paper (dirname filename))))
     (dump (comment (format #f "Page: ~S/~S" page-number page-count)))
     (ly:outputter-output-scheme outputter
-				`(begin (set! lily-unit-length ,unit-length)
-					""))
+                                `(begin (set! lily-unit-length ,unit-length)
+                                        ""))
     (ly:outputter-dump-stencil outputter page)
     (dump (svg-end))
     (ly:outputter-close outputter)))
 
 (define (dump-preview paper stencil filename)
   (let* ((outputter (ly:make-paper-outputter (open-file filename "wb") 'svg))
-	 (dump (lambda (str) (display str (ly:outputter-port outputter))))
-	 (lookup (lambda (x) (ly:output-def-lookup paper x)))
-	 (unit-length (lookup 'output-scale))
-	 (x-extent (ly:stencil-extent stencil X))
-	 (y-extent (ly:stencil-extent stencil Y))
-	 (left-x (car x-extent))
-	 (top-y (cdr y-extent))
-	 (device-width (interval-length x-extent))
-	 (device-height (interval-length y-extent))
-	 (output-scale (* lily-unit->mm-factor unit-length))
-	 (svg-width (* output-scale device-width))
-	 (svg-height (* output-scale device-height)))
+         (dump (lambda (str) (display str (ly:outputter-port outputter))))
+         (lookup (lambda (x) (ly:output-def-lookup paper x)))
+         (unit-length (lookup 'output-scale))
+         (x-extent (ly:stencil-extent stencil X))
+         (y-extent (ly:stencil-extent stencil Y))
+         (left-x (car x-extent))
+         (top-y (cdr y-extent))
+         (device-width (interval-length x-extent))
+         (device-height (interval-length y-extent))
+         (output-scale (* lily-unit->mm-factor unit-length))
+         (svg-width (* output-scale device-width))
+         (svg-height (* output-scale device-height)))
 
     (if (ly:get-option 'svg-woff)
-	(module-define! (ly:outputter-module outputter) 'paper paper))
+        (module-define! (ly:outputter-module outputter) 'paper paper))
     (dump (svg-begin svg-width svg-height
-		     left-x (- top-y) device-width device-height))
+                     left-x (- top-y) device-width device-height))
     (if (ly:get-option 'svg-woff)
-	(module-remove! (ly:outputter-module outputter) 'paper))
+        (module-remove! (ly:outputter-module outputter) 'paper))
     (if (ly:get-option 'svg-woff)
-	(dump (woff-header paper (dirname filename))))
+        (dump (woff-header paper (dirname filename))))
     (ly:outputter-output-scheme outputter
-				`(begin (set! lily-unit-length ,unit-length)
-					""))
+                                `(begin (set! lily-unit-length ,unit-length)
+                                        ""))
     (ly:outputter-dump-stencil outputter stencil)
     (dump (svg-end))
     (ly:outputter-close outputter)))
@@ -173,27 +173,27 @@ src: url('~a');
 
 (define (output-framework basename book scopes fields)
   (let* ((paper (ly:paper-book-paper book))
-	 (page-stencils (map page-stencil (ly:paper-book-pages book)))
-	 (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
-	 (page-count (length page-stencils))
-	 (filename "")
-	 (file-suffix (lambda (num)
-			(if (= page-count 1) "" (format #f "-page-~a" num)))))
+         (page-stencils (map page-stencil (ly:paper-book-pages book)))
+         (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
+         (page-count (length page-stencils))
+         (filename "")
+         (file-suffix (lambda (num)
+                        (if (= page-count 1) "" (format #f "-page-~a" num)))))
     (for-each
-      (lambda (page)
-	(set! page-number (1+ page-number))
-	(set! filename (format #f "~a~a.svg"
-			       basename
-			       (file-suffix page-number)))
-	(dump-page paper filename page page-number page-count))
-      page-stencils)))
+     (lambda (page)
+       (set! page-number (1+ page-number))
+       (set! filename (format #f "~a~a.svg"
+                              basename
+                              (file-suffix page-number)))
+       (dump-page paper filename page page-number page-count))
+     page-stencils)))
 
 (define (output-preview-framework basename book scopes fields)
   (let* ((paper (ly:paper-book-paper book))
-	 (systems (relevant-book-systems book))
-	 (to-dump-systems (relevant-dump-systems systems)))
+         (systems (relevant-book-systems book))
+         (to-dump-systems (relevant-dump-systems systems)))
     (dump-preview paper
-		  (stack-stencils Y DOWN 0.0
-				  (map paper-system-stencil
-				       (reverse to-dump-systems)))
-		  (format #f "~a.preview.svg" basename))))
+                  (stack-stencils Y DOWN 0.0
+                                  (map paper-system-stencil
+                                       (reverse to-dump-systems)))
+                  (format #f "~a.preview.svg" basename))))
diff --git a/scm/fret-diagrams.scm b/scm/fret-diagrams.scm
index 7a6e6febd9..76a1801212 100644
--- a/scm/fret-diagrams.scm
+++ b/scm/fret-diagrams.scm
@@ -21,7 +21,7 @@
   "Return the x-extent of a string that goes from start-point
 to end-point."
   (let ((x1 (car start-point))
-         (x2 (car end-point)))
+        (x2 (car end-point)))
     (if (> x1 x2)
         (cons x2 x1)
         (cons x1 x2))))
@@ -30,7 +30,7 @@ to end-point."
   "Return the y-extent of a string that goes from start-point
 to end-point."
   (let ((y1 (cdr start-point))
-         (y2 (cdr end-point)))
+        (y2 (cdr end-point)))
     (if (> y1 y2)
         (cons y2 y1)
         (cons y1 y2))))
@@ -61,8 +61,8 @@ to end-point."
   (* 6 (/ (log mag) (log 2))))
 
 (define (fret-count fret-range)
- "Calculate the fret count for the diagram given the range of frets in the diagram."
- (1+ (- (cdr fret-range) (car fret-range))))
+  "Calculate the fret count for the diagram given the range of frets in the diagram."
+  (1+ (- (cdr fret-range) (car fret-range))))
 
 (define (subtract-base-fret base-fret dot-list)
   "Subtract @var{base-fret} from every fret in @var{dot-list}"
@@ -142,32 +142,32 @@ found."
 
 (define (negate-extent extent)
   "Return the extent in an axis opposite to the axis of @code{extent}."
-   (cons (- (cdr extent)) (- (car extent))))
+  (cons (- (cdr extent)) (- (car extent))))
 
 (define (stencil-fretboard-extent stencil fretboard-axis orientation)
   "Return the extent of @code{stencil} in the @code{fretboard-axis}
 direction."
   (if (eq? fretboard-axis 'fret)
-  (cond ((eq? orientation 'landscape)
-         (ly:stencil-extent stencil X))
-        ((eq? orientation 'opposing-landscape)
-         (negate-extent (ly:stencil-extent stencil X)))
-        (else
-         (negate-extent (ly:stencil-extent stencil Y))))
-        ;; else -- eq? fretboard-axis 'string
-  (cond ((eq? orientation 'landscape)
-         (ly:stencil-extent stencil Y))
-        ((eq? orientation 'opposing-landscape)
-         (negate-extent (ly:stencil-extent stencil Y)))
-        (else
-         (ly:stencil-extent stencil Y)))))
+      (cond ((eq? orientation 'landscape)
+             (ly:stencil-extent stencil X))
+            ((eq? orientation 'opposing-landscape)
+             (negate-extent (ly:stencil-extent stencil X)))
+            (else
+             (negate-extent (ly:stencil-extent stencil Y))))
+      ;; else -- eq? fretboard-axis 'string
+      (cond ((eq? orientation 'landscape)
+             (ly:stencil-extent stencil Y))
+            ((eq? orientation 'opposing-landscape)
+             (negate-extent (ly:stencil-extent stencil Y)))
+            (else
+             (ly:stencil-extent stencil Y)))))
 
 
 (define (stencil-fretboard-offset stencil fretboard-axis orientation)
- "Return a the stencil coordinates of the center of @code{stencil}
+  "Return a the stencil coordinates of the center of @code{stencil}
 in the @code{fretboard-axis} direction."
   (* 0.5 (interval-length
-           (stencil-fretboard-extent stencil fretboard-axis orientation))))
+          (stencil-fretboard-extent stencil fretboard-axis orientation))))
 
 
 (define (string-thickness string thickness-factor)
@@ -187,8 +187,8 @@ with magnification @var{mag} of the string @var{text}."
 ;;  markup commands and associated functions
 
 (define (fret-parse-marking-list marking-list my-fret-count)
- "Parse a fret-diagram-verbose marking list into component sublists"
- (let* ((fret-range (cons 1 my-fret-count))
+  "Parse a fret-diagram-verbose marking list into component sublists"
+  (let* ((fret-range (cons 1 my-fret-count))
          (capo-fret 0)
          (barre-list '())
          (dot-list '())
@@ -203,7 +203,7 @@ with magnification @var{mag} of the string @var{text}."
              ((eq? my-code 'barre)
               (set! barre-list (cons* (cdr my-item) barre-list)))
              ((eq? my-code 'capo)
-               (set! capo-fret (cadr my-item)))
+              (set! capo-fret (cadr my-item)))
              ((eq? my-code 'place-fret)
               (set! dot-list (cons* (cdr my-item) dot-list))))
             (parse-item (cdr mylist)))))
@@ -243,14 +243,14 @@ with magnification @var{mag} of the string @var{text}."
          ;;         from FretBoard engraver, but not from markup call
          (details (merge-details 'fret-diagram-details props '()))
          (string-count
-           (assoc-get 'string-count details 6)) ;; needed for everything
+          (assoc-get 'string-count details 6)) ;; needed for everything
          (my-fret-count
-           (assoc-get 'fret-count details 4)) ;; needed for everything
+          (assoc-get 'fret-count details 4)) ;; needed for everything
          (orientation
-           (assoc-get 'orientation details 'normal)) ;; needed for everything
+          (assoc-get 'orientation details 'normal)) ;; needed for everything
          (finger-code
-           (assoc-get
-             'finger-code details 'none)) ;; needed for draw-dots and draw-barre
+          (assoc-get
+           'finger-code details 'none)) ;; needed for draw-dots and draw-barre
          (default-dot-radius
            (if (eq? finger-code 'in-dot) 0.425 0.25)) ;; bigger dots if labeled
          (default-dot-position
@@ -258,21 +258,21 @@ with magnification @var{mag} of the string @var{text}."
                (- 0.95 default-dot-radius)
                0.6)) ; move up to make room for bigger dot if labeled
          (dot-radius
-           (assoc-get
-             'dot-radius details default-dot-radius))
-             ;; needed for draw-dots and draw-barre
+          (assoc-get
+           'dot-radius details default-dot-radius))
+         ;; needed for draw-dots and draw-barre
          (dot-position
-           (assoc-get
-             'dot-position details default-dot-position))
-             ;; needed for draw-dots and draw-barre
+          (assoc-get
+           'dot-position details default-dot-position))
+         ;; needed for draw-dots and draw-barre
          (th
-           (* (ly:output-def-lookup layout 'line-thickness)
-              (chain-assoc-get 'thickness props 0.5)))
-              ;; needed for draw-frets and draw-strings
+          (* (ly:output-def-lookup layout 'line-thickness)
+             (chain-assoc-get 'thickness props 0.5)))
+         ;; needed for draw-frets and draw-strings
          (sth (* size th))
          (thickness-factor (assoc-get 'string-thickness-factor details 0))
          (alignment
-           (chain-assoc-get 'align-dir props -0.4)) ;; needed only here
+          (chain-assoc-get 'align-dir props -0.4)) ;; needed only here
          (xo-padding (assoc-get 'xo-padding details 0.2)) ;; needed only here
          (parameters (fret-parse-marking-list marking-list my-fret-count))
          (capo-fret (assoc-get 'capo-fret parameters 0))
@@ -282,7 +282,7 @@ with magnification @var{mag} of the string @var{text}."
          (my-fret-count (fret-count fret-range))
          (barre-list (assoc-get 'barre-list parameters))
          (barre-type
-           (assoc-get 'barre-type details 'curved))
+          (assoc-get 'barre-type details 'curved))
          (fret-diagram-stencil '()))
 
     ;;  Here are the fret diagram helper functions that depend on the
@@ -293,24 +293,24 @@ with magnification @var{mag} of the string @var{text}."
       "Return a pair @code{(x-coordinate . y-coordinate)}
       in stencil coordinate system."
       (cond
-        ((eq? orientation 'landscape)
-         (cons fret-coordinate
-               (- string-coordinate (1- string-count))))
-        ((eq? orientation 'opposing-landscape)
-         (cons (- fret-coordinate) (- string-coordinate)))
-        (else
-          (cons string-coordinate (- fret-coordinate)))))
+       ((eq? orientation 'landscape)
+        (cons fret-coordinate
+              (- string-coordinate (1- string-count))))
+       ((eq? orientation 'opposing-landscape)
+        (cons (- fret-coordinate) (- string-coordinate)))
+       (else
+        (cons string-coordinate (- fret-coordinate)))))
 
     (define (stencil-coordinate-offset fret-offset string-offset)
       "Return a pair @code{(x-offset . y-offset)}
       for translation in stencil coordinate system."
       (cond
-        ((eq? orientation 'landscape)
-         (cons fret-offset (- string-offset)))
-        ((eq? orientation 'opposing-landscape)
-         (cons (- fret-offset) string-offset))
-        (else
-          (cons string-offset (- fret-offset)))))
+       ((eq? orientation 'landscape)
+        (cons fret-offset (- string-offset)))
+       ((eq? orientation 'opposing-landscape)
+        (cons (- fret-offset) string-offset))
+       (else
+        (cons string-offset (- fret-offset)))))
 
 
 
@@ -320,42 +320,42 @@ with magnification @var{mag} of the string @var{text}."
 string coordinate @var{start} to string-coordinate @var{stop} with a
 baseline at fret coordinate @var{base}, a height of
 @var{height}, and a half thickness of @var{half-thickness}."
-     (let* ((width (+ (- stop start) 1))
-           (cp-left-width (+ (* width half-thickness) start))
-           (cp-right-width (- stop (* width half-thickness)))
-           (bottom-control-point-height
-             (- base (- height half-thickness)))
-           (top-control-point-height
-             (- base height))
-           (left-end-point
-             (stencil-coordinates base start))
-           (right-end-point
-             (stencil-coordinates base stop))
-           (left-upper-control-point
-             (stencil-coordinates
+      (let* ((width (+ (- stop start) 1))
+             (cp-left-width (+ (* width half-thickness) start))
+             (cp-right-width (- stop (* width half-thickness)))
+             (bottom-control-point-height
+              (- base (- height half-thickness)))
+             (top-control-point-height
+              (- base height))
+             (left-end-point
+              (stencil-coordinates base start))
+             (right-end-point
+              (stencil-coordinates base stop))
+             (left-upper-control-point
+              (stencil-coordinates
                top-control-point-height cp-left-width))
-           (left-lower-control-point
-             (stencil-coordinates
+             (left-lower-control-point
+              (stencil-coordinates
                bottom-control-point-height cp-left-width))
-           (right-upper-control-point
-             (stencil-coordinates
+             (right-upper-control-point
+              (stencil-coordinates
                top-control-point-height cp-right-width))
-           (right-lower-control-point
-             (stencil-coordinates
+             (right-lower-control-point
+              (stencil-coordinates
                bottom-control-point-height cp-right-width)))
 
-      ;; order of bezier control points is:
-      ;;    left cp low, right cp low, right end low, left end low
-      ;;   right cp high, left cp high, left end high, right end high.
+        ;; order of bezier control points is:
+        ;;    left cp low, right cp low, right end low, left end low
+        ;;   right cp high, left cp high, left end high, right end high.
 
-      (list left-lower-control-point
-            right-lower-control-point
-            right-end-point
-            left-end-point
-            right-upper-control-point
-            left-upper-control-point
-            left-end-point
-            right-end-point)))
+        (list left-lower-control-point
+              right-lower-control-point
+              right-end-point
+              left-end-point
+              right-upper-control-point
+              left-upper-control-point
+              left-end-point
+              right-end-point)))
 
     (define (draw-strings)
       "Draw the string lines for a fret diagram with
@@ -365,10 +365,10 @@ Line thickness is given by @var{th}, fret & string spacing by
 
       (define (helper x)
         (if (null? (cdr x))
-          (string-stencil (car x))
-          (ly:stencil-add
             (string-stencil (car x))
-            (helper (cdr x)))))
+            (ly:stencil-add
+             (string-stencil (car x))
+             (helper (cdr x)))))
 
       (let* ( (string-list (map 1+ (iota string-count))))
         (helper string-list)))
@@ -378,17 +378,17 @@ Line thickness is given by @var{th}, fret & string spacing by
       overall parameters."
       (let* ((string-coordinate (- string-count string))
              (current-string-thickness
-               (* th size (string-thickness string thickness-factor)))
+              (* th size (string-thickness string thickness-factor)))
              (fret-half-thickness (* size th 0.5))
              (half-string (* current-string-thickness 0.5))
              (start-coordinates
-               (stencil-coordinates
-                 (- fret-half-thickness)
-                 (- (* size string-coordinate) half-string)))
+              (stencil-coordinates
+               (- fret-half-thickness)
+               (- (* size string-coordinate) half-string)))
              (end-coordinates
-               (stencil-coordinates
-                 (+ fret-half-thickness (* size (1+ (fret-count fret-range))))
-                 (+ half-string (* size string-coordinate)))))
+              (stencil-coordinates
+               (+ fret-half-thickness (* size (1+ (fret-count fret-range))))
+               (+ half-string (* size string-coordinate)))))
         (ly:round-filled-box
          (string-x-extent start-coordinates end-coordinates)
          (string-y-extent start-coordinates end-coordinates)
@@ -401,146 +401,146 @@ Line thickness is given by @var{th}, fret & string spacing by
 @var{size}.  Orientation is given by @var{orientation}."
       (define (helper x)
         (if (null? (cdr x))
-          (fret-stencil (car x))
-          (ly:stencil-add
             (fret-stencil (car x))
-            (helper (cdr x)))))
+            (ly:stencil-add
+             (fret-stencil (car x))
+             (helper (cdr x)))))
 
       (let ((fret-list (iota (1+ my-fret-count))))
         (helper fret-list)))
 
-     (define (fret-stencil fret)
-        "Make a stencil for @code{fret}, given the
+    (define (fret-stencil fret)
+      "Make a stencil for @code{fret}, given the
 fret-diagram overall parameters."
-       (let* ((low-string-half-thickness
-                (* 0.5
-                   size
-                   th
-                   (string-thickness string-count thickness-factor)))
-              (fret-half-thickness (* 0.5 size th))
-              (start-coordinates
-                (stencil-coordinates
-                  (* size fret)
-                  (- fret-half-thickness low-string-half-thickness)))
-              (end-coordinates
-                (stencil-coordinates
-                  (* size fret)
-                  (* size (1- string-count)))))
-         (make-line-stencil
-           (* size th)
-           (car start-coordinates) (cdr start-coordinates)
-           (car end-coordinates) (cdr end-coordinates))))
-
-     (define (draw-barre barre-list)
-       "Create barre indications for a fret diagram"
-       (if (not (null? barre-list))
-         (let* ((string1 (caar barre-list))
-                (string2 (cadar barre-list))
-                (barre-fret (caddar barre-list))
-                (top-fret (cdr fret-range))
-                (low-fret (car fret-range))
-                (fret (1+ (- barre-fret low-fret)))
-                (barre-vertical-offset 0.5)
-                (dot-center-fret-coordinate (+ (1- fret) dot-position))
-                (barre-fret-coordinate
+      (let* ((low-string-half-thickness
+              (* 0.5
+                 size
+                 th
+                 (string-thickness string-count thickness-factor)))
+             (fret-half-thickness (* 0.5 size th))
+             (start-coordinates
+              (stencil-coordinates
+               (* size fret)
+               (- fret-half-thickness low-string-half-thickness)))
+             (end-coordinates
+              (stencil-coordinates
+               (* size fret)
+               (* size (1- string-count)))))
+        (make-line-stencil
+         (* size th)
+         (car start-coordinates) (cdr start-coordinates)
+         (car end-coordinates) (cdr end-coordinates))))
+
+    (define (draw-barre barre-list)
+      "Create barre indications for a fret diagram"
+      (if (not (null? barre-list))
+          (let* ((string1 (caar barre-list))
+                 (string2 (cadar barre-list))
+                 (barre-fret (caddar barre-list))
+                 (top-fret (cdr fret-range))
+                 (low-fret (car fret-range))
+                 (fret (1+ (- barre-fret low-fret)))
+                 (barre-vertical-offset 0.5)
+                 (dot-center-fret-coordinate (+ (1- fret) dot-position))
+                 (barre-fret-coordinate
                   (+ dot-center-fret-coordinate
                      (* (- barre-vertical-offset 0.5) dot-radius)))
-                (barre-start-string-coordinate (- string-count string1))
-                (barre-end-string-coordinate (- string-count string2))
-                (scale-dot-radius (* size dot-radius))
-                (barre-type (assoc-get 'barre-type details 'curved))
-                (barre-stencil
+                 (barre-start-string-coordinate (- string-count string1))
+                 (barre-end-string-coordinate (- string-count string2))
+                 (scale-dot-radius (* size dot-radius))
+                 (barre-type (assoc-get 'barre-type details 'curved))
+                 (barre-stencil
                   (cond
-                    ((eq? barre-type 'straight)
-                     (make-straight-barre-stencil
-                       barre-fret-coordinate
-                       barre-start-string-coordinate
-                       barre-end-string-coordinate
-                       scale-dot-radius))
-                    ((eq? barre-type 'curved)
-                     (make-curved-barre-stencil
-                       barre-fret-coordinate
-                       barre-start-string-coordinate
-                       barre-end-string-coordinate
-                       scale-dot-radius)))))
-           (if (not (null? (cdr barre-list)))
-             (ly:stencil-add
-               barre-stencil
-               (draw-barre (cdr barre-list)))
-             barre-stencil ))))
-
-     (define (make-straight-barre-stencil
-               fret-coordinate
-               start-string-coordinate
-               end-string-coordinate
-               half-thickness)
-       "Create a straight barre stencil."
-       (let ((start-point
-               (stencil-coordinates
-                 (* size fret-coordinate)
-                 (* size start-string-coordinate)))
-             (end-point
-               (stencil-coordinates
-                 (* size fret-coordinate)
-                 (* size end-string-coordinate))))
-         (make-line-stencil
-           half-thickness
-           (car start-point)
-           (cdr start-point)
-           (car end-point)
-           (cdr end-point))))
-
-     (define (make-curved-barre-stencil
-               fret-coordinate
-               start-string-coordinate
-               end-string-coordinate
-               half-thickness)
-       "Create a curved barre stencil."
-       (let* ((bezier-thick 0.1)
-              (bezier-height 0.5)
-              (bezier-list
-                (make-bezier-sandwich-list
-                  (* size start-string-coordinate)
-                  (* size end-string-coordinate)
-                  (* size fret-coordinate)
+                   ((eq? barre-type 'straight)
+                    (make-straight-barre-stencil
+                     barre-fret-coordinate
+                     barre-start-string-coordinate
+                     barre-end-string-coordinate
+                     scale-dot-radius))
+                   ((eq? barre-type 'curved)
+                    (make-curved-barre-stencil
+                     barre-fret-coordinate
+                     barre-start-string-coordinate
+                     barre-end-string-coordinate
+                     scale-dot-radius)))))
+            (if (not (null? (cdr barre-list)))
+                (ly:stencil-add
+                 barre-stencil
+                 (draw-barre (cdr barre-list)))
+                barre-stencil ))))
+
+    (define (make-straight-barre-stencil
+             fret-coordinate
+             start-string-coordinate
+             end-string-coordinate
+             half-thickness)
+      "Create a straight barre stencil."
+      (let ((start-point
+             (stencil-coordinates
+              (* size fret-coordinate)
+              (* size start-string-coordinate)))
+            (end-point
+             (stencil-coordinates
+              (* size fret-coordinate)
+              (* size end-string-coordinate))))
+        (make-line-stencil
+         half-thickness
+         (car start-point)
+         (cdr start-point)
+         (car end-point)
+         (cdr end-point))))
+
+    (define (make-curved-barre-stencil
+             fret-coordinate
+             start-string-coordinate
+             end-string-coordinate
+             half-thickness)
+      "Create a curved barre stencil."
+      (let* ((bezier-thick 0.1)
+             (bezier-height 0.5)
+             (bezier-list
+              (make-bezier-sandwich-list
+               (* size start-string-coordinate)
+               (* size end-string-coordinate)
+               (* size fret-coordinate)
+               (* size bezier-height)
+               (* size bezier-thick)))
+             (box-lower-left
+              (stencil-coordinates
+               (+ (* size fret-coordinate) half-thickness)
+               (- (* size start-string-coordinate) half-thickness)))
+             (box-upper-right
+              (stencil-coordinates
+               (- (* size fret-coordinate)
                   (* size bezier-height)
-                  (* size bezier-thick)))
-              (box-lower-left
-                (stencil-coordinates
-                  (+ (* size fret-coordinate) half-thickness)
-                  (- (* size start-string-coordinate) half-thickness)))
-              (box-upper-right
-                (stencil-coordinates
-                  (- (* size fret-coordinate)
-                     (* size bezier-height)
-                     half-thickness)
-                  (+ (* size end-string-coordinate) half-thickness)))
-              (x-extent (cons (car box-lower-left) (car box-upper-right)))
-              (y-extent (cons (cdr box-lower-left) (cdr box-upper-right))))
-         (make-bezier-sandwich-stencil
-           bezier-list
-           (* size bezier-thick)
-           x-extent
-           y-extent)))
-
-     (define (draw-dots dot-list)
-       "Make dots for fret diagram."
-
-       (let* ( (scale-dot-radius (* size dot-radius))
+                  half-thickness)
+               (+ (* size end-string-coordinate) half-thickness)))
+             (x-extent (cons (car box-lower-left) (car box-upper-right)))
+             (y-extent (cons (cdr box-lower-left) (cdr box-upper-right))))
+        (make-bezier-sandwich-stencil
+         bezier-list
+         (* size bezier-thick)
+         x-extent
+         y-extent)))
+
+    (define (draw-dots dot-list)
+      "Make dots for fret diagram."
+
+      (let* ( (scale-dot-radius (* size dot-radius))
               (scale-dot-thick (* size th))
               (default-dot-color (assoc-get 'dot-color details 'black))
               (finger-label-padding 0.3)
               (dot-label-font-mag
-                (* scale-dot-radius
-                   (assoc-get 'dot-label-font-mag details 1.0)))
+               (* scale-dot-radius
+                  (assoc-get 'dot-label-font-mag details 1.0)))
               (string-label-font-mag
-                (* size
-                   (assoc-get
-                     'string-label-font-mag details
-                     (cond ((or (eq? orientation 'landscape)
-                                (eq? orientation 'opposing-landscape))
-                            0.5)
-                           (else  0.6)))))
+               (* size
+                  (assoc-get
+                   'string-label-font-mag details
+                   (cond ((or (eq? orientation 'landscape)
+                              (eq? orientation 'opposing-landscape))
+                          0.5)
+                         (else  0.6)))))
               (mypair (car dot-list))
               (restlist (cdr dot-list))
               (string (car mypair))
@@ -548,7 +548,7 @@ fret-diagram overall parameters."
               (fret-coordinate (* size (+ (1- fret) dot-position)))
               (string-coordinate (* size (- string-count string)))
               (dot-coordinates
-                (stencil-coordinates fret-coordinate string-coordinate))
+               (stencil-coordinates fret-coordinate string-coordinate))
               (extent (cons (- scale-dot-radius) scale-dot-radius))
               (finger (caddr mypair))
               (finger (if (number? finger) (number->string finger) finger))
@@ -558,306 +558,306 @@ fret-diagram overall parameters."
                              'white
                              'black))
               (dot-stencil (if (eq? dot-color 'white)
-                             (ly:stencil-add
-                               (make-circle-stencil
+                               (ly:stencil-add
+                                (make-circle-stencil
                                  scale-dot-radius scale-dot-thick #t)
-                               (ly:stencil-in-color
+                                (ly:stencil-in-color
                                  (make-circle-stencil
-                                   (- scale-dot-radius (* 0.5 scale-dot-thick))
-                                   0  #t)
+                                  (- scale-dot-radius (* 0.5 scale-dot-thick))
+                                  0  #t)
                                  1 1 1))
-                             (make-circle-stencil
-                               scale-dot-radius scale-dot-thick #t)))
+                               (make-circle-stencil
+                                scale-dot-radius scale-dot-thick #t)))
               (positioned-dot
-                (ly:stencil-translate dot-stencil dot-coordinates))
+               (ly:stencil-translate dot-stencil dot-coordinates))
               (labeled-dot-stencil
-                (cond
-                  ((or (eq? finger '())(eq? finger-code 'none))
-                   positioned-dot)
-                  ((eq? finger-code 'in-dot)
-                   (let ((finger-label
-                           (centered-stencil
-                             (sans-serif-stencil
-                               layout props dot-label-font-mag finger))))
-                     (ly:stencil-translate
-                       (ly:stencil-add
-                         dot-stencil
-                         (if (eq? dot-color 'white)
-                           finger-label
-                           (ly:stencil-in-color finger-label 1 1 1)))
-                       dot-coordinates)))
-                  ((eq? finger-code 'below-string)
-                   (let* ((label-stencil
-                            (centered-stencil
-                              (sans-serif-stencil
-                                layout props string-label-font-mag
-                                finger)))
-                          (label-fret-offset
-                            (stencil-fretboard-offset
-                              label-stencil 'fret orientation))
-                          (label-fret-coordinate
-                            (+ (* size
-                                  (+ 1 my-fret-count finger-label-padding))
-                               label-fret-offset))
-                          (label-string-coordinate string-coordinate)
-                          (label-translation
-                            (stencil-coordinates
-                              label-fret-coordinate
-                              label-string-coordinate)))
-                     (ly:stencil-add
-                       positioned-dot
-                       (ly:stencil-translate
-                         label-stencil
-                         label-translation))))
-                  (else ;unknown finger-code
-                    positioned-dot))))
-         (if (null? restlist)
-           labeled-dot-stencil
-           (ly:stencil-add
+               (cond
+                ((or (eq? finger '())(eq? finger-code 'none))
+                 positioned-dot)
+                ((eq? finger-code 'in-dot)
+                 (let ((finger-label
+                        (centered-stencil
+                         (sans-serif-stencil
+                          layout props dot-label-font-mag finger))))
+                   (ly:stencil-translate
+                    (ly:stencil-add
+                     dot-stencil
+                     (if (eq? dot-color 'white)
+                         finger-label
+                         (ly:stencil-in-color finger-label 1 1 1)))
+                    dot-coordinates)))
+                ((eq? finger-code 'below-string)
+                 (let* ((label-stencil
+                         (centered-stencil
+                          (sans-serif-stencil
+                           layout props string-label-font-mag
+                           finger)))
+                        (label-fret-offset
+                         (stencil-fretboard-offset
+                          label-stencil 'fret orientation))
+                        (label-fret-coordinate
+                         (+ (* size
+                               (+ 1 my-fret-count finger-label-padding))
+                            label-fret-offset))
+                        (label-string-coordinate string-coordinate)
+                        (label-translation
+                         (stencil-coordinates
+                          label-fret-coordinate
+                          label-string-coordinate)))
+                   (ly:stencil-add
+                    positioned-dot
+                    (ly:stencil-translate
+                     label-stencil
+                     label-translation))))
+                (else ;unknown finger-code
+                 positioned-dot))))
+        (if (null? restlist)
+            labeled-dot-stencil
+            (ly:stencil-add
              (draw-dots restlist)
              labeled-dot-stencil))))
 
-     (define (draw-thick-zero-fret)
-       "Draw a thick zeroth fret for a fret diagram whose base fret is 1."
-       (let* ((half-lowest-string-thickness
-                (* 0.5 th (string-thickness string-count thickness-factor)))
-              (half-thick (* 0.5 sth))
-              (top-fret-thick
-                (* sth (assoc-get 'top-fret-thickness details 3.0)))
-              (start-string-coordinate (- half-lowest-string-thickness))
-              (end-string-coordinate (+ (* size (1- string-count)) half-thick))
-              (start-fret-coordinate half-thick)
-              (end-fret-coordinate (- half-thick top-fret-thick))
-              (lower-left
-                (stencil-coordinates
-                  start-fret-coordinate start-string-coordinate))
-              (upper-right
-                (stencil-coordinates
-                  end-fret-coordinate end-string-coordinate)))
-         (ly:round-filled-box
-           ;; Put limits in order, or else the intervals are considered empty
-           (ordered-cons (car lower-left) (car upper-right))
-           (ordered-cons (cdr lower-left) (cdr upper-right))
-           sth)))
-
-     (define (draw-xo xo-list)
-       "Put open and mute string indications on diagram, as contained in
+    (define (draw-thick-zero-fret)
+      "Draw a thick zeroth fret for a fret diagram whose base fret is 1."
+      (let* ((half-lowest-string-thickness
+              (* 0.5 th (string-thickness string-count thickness-factor)))
+             (half-thick (* 0.5 sth))
+             (top-fret-thick
+              (* sth (assoc-get 'top-fret-thickness details 3.0)))
+             (start-string-coordinate (- half-lowest-string-thickness))
+             (end-string-coordinate (+ (* size (1- string-count)) half-thick))
+             (start-fret-coordinate half-thick)
+             (end-fret-coordinate (- half-thick top-fret-thick))
+             (lower-left
+              (stencil-coordinates
+               start-fret-coordinate start-string-coordinate))
+             (upper-right
+              (stencil-coordinates
+               end-fret-coordinate end-string-coordinate)))
+        (ly:round-filled-box
+         ;; Put limits in order, or else the intervals are considered empty
+         (ordered-cons (car lower-left) (car upper-right))
+         (ordered-cons (cdr lower-left) (cdr upper-right))
+         sth)))
+
+    (define (draw-xo xo-list)
+      "Put open and mute string indications on diagram, as contained in
 @var{xo-list}."
-       (let* ((xo-font-mag
-               (assoc-get 'xo-font-magnification details
-                          (cond ((or (eq? orientation 'landscape)
-                                     (eq? orientation 'opposing-landscape))
-                                 0.4)
-                                (else 0.4))))
-              (mypair (car xo-list))
-              (restlist (cdr xo-list))
-              (glyph-string (if (eq? (car mypair) 'mute)
-                              (assoc-get 'mute-string details "X")
-                              (assoc-get 'open-string details "O")))
-              (glyph-string-coordinate (* (- string-count (cadr mypair)) size))
-              (glyph-stencil
-                (centered-stencil
-                  (sans-serif-stencil
-                    layout props (* size xo-font-mag) glyph-string)))
-              (glyph-stencil-coordinates
-                (stencil-coordinates 0 glyph-string-coordinate))
-              (positioned-glyph
-                (ly:stencil-translate
-                  glyph-stencil
-                  glyph-stencil-coordinates)))
-         (if (null? restlist)
-           positioned-glyph
-           (ly:stencil-add
+      (let* ((xo-font-mag
+              (assoc-get 'xo-font-magnification details
+                         (cond ((or (eq? orientation 'landscape)
+                                    (eq? orientation 'opposing-landscape))
+                                0.4)
+                               (else 0.4))))
+             (mypair (car xo-list))
+             (restlist (cdr xo-list))
+             (glyph-string (if (eq? (car mypair) 'mute)
+                               (assoc-get 'mute-string details "X")
+                               (assoc-get 'open-string details "O")))
+             (glyph-string-coordinate (* (- string-count (cadr mypair)) size))
+             (glyph-stencil
+              (centered-stencil
+               (sans-serif-stencil
+                layout props (* size xo-font-mag) glyph-string)))
+             (glyph-stencil-coordinates
+              (stencil-coordinates 0 glyph-string-coordinate))
+             (positioned-glyph
+              (ly:stencil-translate
+               glyph-stencil
+               glyph-stencil-coordinates)))
+        (if (null? restlist)
+            positioned-glyph
+            (ly:stencil-add
              positioned-glyph
              (draw-xo restlist)))))
 
-       (define (draw-capo fret)
-         "Draw a capo indicator across the full width of the fret-board
+    (define (draw-capo fret)
+      "Draw a capo indicator across the full width of the fret-board
 at @var{fret}."
-         (let* ((capo-thick
-                  (* size (assoc-get 'capo-thickness details 0.5)))
-                (half-thick (* capo-thick 0.5))
-                (last-string-position 0)
-                (first-string-position (* size (- string-count 1)))
-                (fret-position ( * size (1- (+ dot-position fret))))
-                (start-point
-                  (stencil-coordinates
-                    fret-position
-                    first-string-position))
-                (end-point
-                  (stencil-coordinates
-                    fret-position
-                    last-string-position)))
-           (make-line-stencil
-             capo-thick
-             (car start-point) (cdr start-point)
-             (car end-point) (cdr end-point))))
-
-        (define (label-fret fret-range)
-          "Label the base fret on a fret diagram"
-          (let* ((base-fret (car fret-range))
-                 (label-font-mag (assoc-get 'fret-label-font-mag details 0.5))
-                 (label-space (* 0.5 size))
-                 (label-dir (assoc-get 'label-dir details RIGHT))
-                 (label-vertical-offset
-                   (assoc-get 'fret-label-vertical-offset details 0))
-                 (number-type
-                   (assoc-get 'number-type details 'roman-lower))
-                 (label-text
-                   (cond
-                     ((equal? number-type 'roman-lower)
-                      (fancy-format #f "~(~@r~)" base-fret))
-                     ((equal? number-type 'roman-upper)
-                      (fancy-format #f "~@r" base-fret))
-                     ((equal? 'arabic number-type)
-                      (fancy-format #f "~d" base-fret))
-                     ((equal? 'custom number-type)
-                      (fancy-format #f
-                                    (assoc-get 'fret-label-custom-format
-                                               details "~a")
-                                    base-fret))
-                     (else (fancy-format #f "~(~@r~)" base-fret))))
-                 (label-stencil
-                   (centered-stencil
-                     (sans-serif-stencil
-                       layout props (* size label-font-mag) label-text)))
-                 (label-half-width
-                   (stencil-fretboard-offset
-                     label-stencil
-                     'string
-                     orientation))
-                 (label-outside-diagram (+ label-space label-half-width)))
-            (ly:stencil-translate
-              label-stencil
+      (let* ((capo-thick
+              (* size (assoc-get 'capo-thickness details 0.5)))
+             (half-thick (* capo-thick 0.5))
+             (last-string-position 0)
+             (first-string-position (* size (- string-count 1)))
+             (fret-position ( * size (1- (+ dot-position fret))))
+             (start-point
               (stencil-coordinates
-                (* size (+ 1.0 label-vertical-offset))
-                (if (eq? label-dir LEFT)
-                  (- label-outside-diagram)
-                  (+ (* size (1- string-count)) label-outside-diagram))))))
-
-              ;; Here is the body of make-fret-diagram
+               fret-position
+               first-string-position))
+             (end-point
+              (stencil-coordinates
+               fret-position
+               last-string-position)))
+        (make-line-stencil
+         capo-thick
+         (car start-point) (cdr start-point)
+         (car end-point) (cdr end-point))))
+
+    (define (label-fret fret-range)
+      "Label the base fret on a fret diagram"
+      (let* ((base-fret (car fret-range))
+             (label-font-mag (assoc-get 'fret-label-font-mag details 0.5))
+             (label-space (* 0.5 size))
+             (label-dir (assoc-get 'label-dir details RIGHT))
+             (label-vertical-offset
+              (assoc-get 'fret-label-vertical-offset details 0))
+             (number-type
+              (assoc-get 'number-type details 'roman-lower))
+             (label-text
+              (cond
+               ((equal? number-type 'roman-lower)
+                (fancy-format #f "~(~@r~)" base-fret))
+               ((equal? number-type 'roman-upper)
+                (fancy-format #f "~@r" base-fret))
+               ((equal? 'arabic number-type)
+                (fancy-format #f "~d" base-fret))
+               ((equal? 'custom number-type)
+                (fancy-format #f
+                              (assoc-get 'fret-label-custom-format
+                                         details "~a")
+                              base-fret))
+               (else (fancy-format #f "~(~@r~)" base-fret))))
+             (label-stencil
+              (centered-stencil
+               (sans-serif-stencil
+                layout props (* size label-font-mag) label-text)))
+             (label-half-width
+              (stencil-fretboard-offset
+               label-stencil
+               'string
+               orientation))
+             (label-outside-diagram (+ label-space label-half-width)))
+        (ly:stencil-translate
+         label-stencil
+         (stencil-coordinates
+          (* size (+ 1.0 label-vertical-offset))
+          (if (eq? label-dir LEFT)
+              (- label-outside-diagram)
+              (+ (* size (1- string-count)) label-outside-diagram))))))
+
+    ;; Here is the body of make-fret-diagram
 
     (set! fret-diagram-stencil
-      (ly:stencil-add (draw-strings) (draw-frets)))
+          (ly:stencil-add (draw-strings) (draw-frets)))
     (if (and (not (null? barre-list))
              (not (eq? 'none barre-type)))
-      (set! fret-diagram-stencil
-        (ly:stencil-add
-          (draw-barre barre-list)
-          fret-diagram-stencil)))
+        (set! fret-diagram-stencil
+              (ly:stencil-add
+               (draw-barre barre-list)
+               fret-diagram-stencil)))
     (if (not (null? dot-list))
-      (set! fret-diagram-stencil
-        (ly:stencil-add
-          fret-diagram-stencil
-          (draw-dots dot-list))))
+        (set! fret-diagram-stencil
+              (ly:stencil-add
+               fret-diagram-stencil
+               (draw-dots dot-list))))
     (if (= (car fret-range) 1)
-      (set! fret-diagram-stencil
-        (ly:stencil-add
-          fret-diagram-stencil
-          (draw-thick-zero-fret))))
+        (set! fret-diagram-stencil
+              (ly:stencil-add
+               fret-diagram-stencil
+               (draw-thick-zero-fret))))
     (if (not (null? xo-list))
-      (let* ((diagram-fret-top
-               (car (stencil-fretboard-extent
+        (let* ((diagram-fret-top
+                (car (stencil-fretboard-extent
                       fret-diagram-stencil
                       'fret
                       orientation)))
-             (xo-stencil (draw-xo xo-list))
-             (xo-fret-offset
-               (stencil-fretboard-offset
+               (xo-stencil (draw-xo xo-list))
+               (xo-fret-offset
+                (stencil-fretboard-offset
                  xo-stencil 'fret orientation))
-             (xo-stencil-offset
-              (stencil-coordinate-offset
-               (- diagram-fret-top
-                  xo-fret-offset
-                  (* size xo-padding))
-               0)))
-        (set! fret-diagram-stencil
-          (ly:stencil-add
-            fret-diagram-stencil
-            (ly:stencil-translate
-              xo-stencil
-              xo-stencil-offset)))))
+               (xo-stencil-offset
+                (stencil-coordinate-offset
+                 (- diagram-fret-top
+                    xo-fret-offset
+                    (* size xo-padding))
+                 0)))
+          (set! fret-diagram-stencil
+                (ly:stencil-add
+                 fret-diagram-stencil
+                 (ly:stencil-translate
+                  xo-stencil
+                  xo-stencil-offset)))))
     (if (> capo-fret 0)
-      (set! fret-diagram-stencil
-        (ly:stencil-add
-          fret-diagram-stencil
-          (draw-capo capo-fret))))
+        (set! fret-diagram-stencil
+              (ly:stencil-add
+               fret-diagram-stencil
+               (draw-capo capo-fret))))
     (if (> (car fret-range) 1)
-      (set! fret-diagram-stencil
-        (ly:stencil-add
-          fret-diagram-stencil
-          (label-fret fret-range))))
+        (set! fret-diagram-stencil
+              (ly:stencil-add
+               fret-diagram-stencil
+               (label-fret fret-range))))
     (ly:stencil-aligned-to fret-diagram-stencil X alignment)))
 
 (define (fret-parse-definition-string props definition-string)
- "Parse a fret diagram string and return a pair containing:
+  "Parse a fret diagram string and return a pair containing:
 @var{props}, modified as necessary by the definition-string
 a fret-indication list with the appropriate values"
- (let* ((fret-count 4)
-        (string-count 6)
-        (fret-range (cons 1 fret-count))
-        (barre-list '())
-        (dot-list '())
-        (xo-list '())
-        (output-list '())
-        (new-props '())
-        (details (merge-details 'fret-diagram-details props '()))
-        (items (string-split definition-string #\;)))
-   (let parse-item ((myitems items))
-     (if (not (null? (cdr myitems)))
-         (let ((test-string (car myitems)))
-           (case (car (string->list (substring test-string 0 1)))
-             ((#\s) (let ((size (get-numeric-from-key test-string)))
-                      (set! props (prepend-alist-chain 'size size props))))
-             ((#\t) (let ((th (get-numeric-from-key test-string)))
-                      (set! props (prepend-alist-chain 'thickness th props))))
-             ((#\f) (let* ((finger-code (get-numeric-from-key test-string))
-                           (finger-id (case finger-code
-                                        ((0) 'none)
-                                        ((1) 'in-dot)
-                                        ((2) 'below-string))))
-                      (set! details
-                            (acons 'finger-code finger-id details))))
-             ((#\c) (set! output-list
-                          (cons-fret
-                           (cons
-                            'barre
-                            (numerify
-                             (string-split (substring test-string 2) #\-)))
-                           output-list)))
-             ((#\h) (let ((fret-count (get-numeric-from-key test-string)))
-                      (set! details
-                            (acons 'fret-count fret-count details))))
-             ((#\w) (let ((string-count (get-numeric-from-key test-string)))
-                      (set! details
-                            (acons 'string-count string-count details))))
-             ((#\d) (let ((dot-size (get-numeric-from-key test-string)))
-                      (set! details
-                            (acons 'dot-radius dot-size details))))
-             ((#\p) (let ((dot-position (get-numeric-from-key test-string)))
-                      (set! details
-                            (acons 'dot-position dot-position details))))
-             (else
-              (let ((this-list (string-split test-string #\-)))
-                (if (string->number (cadr this-list))
-                    (set! output-list
-                          (cons-fret
-                           (cons 'place-fret (numerify this-list))
-                           output-list))
-                    (if (equal? (cadr this-list) "x" )
-                        (set! output-list
-                              (cons-fret
-                               (list 'mute (string->number (car this-list)))
-                               output-list))
-                        (set! output-list
-                              (cons-fret
-                               (list 'open (string->number (car this-list)))
-                               output-list)))))))
-           (parse-item (cdr myitems)))))
-   ;; add the modified details
-   (set! props
-         (prepend-alist-chain 'fret-diagram-details details props))
-   `(,props . ,output-list))) ;ugh -- hard-coded spell -- procedure better
+  (let* ((fret-count 4)
+         (string-count 6)
+         (fret-range (cons 1 fret-count))
+         (barre-list '())
+         (dot-list '())
+         (xo-list '())
+         (output-list '())
+         (new-props '())
+         (details (merge-details 'fret-diagram-details props '()))
+         (items (string-split definition-string #\;)))
+    (let parse-item ((myitems items))
+      (if (not (null? (cdr myitems)))
+          (let ((test-string (car myitems)))
+            (case (car (string->list (substring test-string 0 1)))
+              ((#\s) (let ((size (get-numeric-from-key test-string)))
+                       (set! props (prepend-alist-chain 'size size props))))
+              ((#\t) (let ((th (get-numeric-from-key test-string)))
+                       (set! props (prepend-alist-chain 'thickness th props))))
+              ((#\f) (let* ((finger-code (get-numeric-from-key test-string))
+                            (finger-id (case finger-code
+                                         ((0) 'none)
+                                         ((1) 'in-dot)
+                                         ((2) 'below-string))))
+                       (set! details
+                             (acons 'finger-code finger-id details))))
+              ((#\c) (set! output-list
+                           (cons-fret
+                            (cons
+                             'barre
+                             (numerify
+                              (string-split (substring test-string 2) #\-)))
+                            output-list)))
+              ((#\h) (let ((fret-count (get-numeric-from-key test-string)))
+                       (set! details
+                             (acons 'fret-count fret-count details))))
+              ((#\w) (let ((string-count (get-numeric-from-key test-string)))
+                       (set! details
+                             (acons 'string-count string-count details))))
+              ((#\d) (let ((dot-size (get-numeric-from-key test-string)))
+                       (set! details
+                             (acons 'dot-radius dot-size details))))
+              ((#\p) (let ((dot-position (get-numeric-from-key test-string)))
+                       (set! details
+                             (acons 'dot-position dot-position details))))
+              (else
+               (let ((this-list (string-split test-string #\-)))
+                 (if (string->number (cadr this-list))
+                     (set! output-list
+                           (cons-fret
+                            (cons 'place-fret (numerify this-list))
+                            output-list))
+                     (if (equal? (cadr this-list) "x" )
+                         (set! output-list
+                               (cons-fret
+                                (list 'mute (string->number (car this-list)))
+                                output-list))
+                         (set! output-list
+                               (cons-fret
+                                (list 'open (string->number (car this-list)))
+                                output-list)))))))
+            (parse-item (cdr myitems)))))
+    ;; add the modified details
+    (set! props
+          (prepend-alist-chain 'fret-diagram-details details props))
+    `(,props . ,output-list))) ;ugh -- hard-coded spell -- procedure better
 
 (define-public
   (fret-parse-terse-definition-string props definition-string)
@@ -866,7 +866,7 @@ return a pair containing:
 @var{props}, modified to include the string-count determined by the
 definition-string, and
 a fret-indication list with the appropriate values"
-;; TODO -- change syntax to fret\string-finger
+  ;; TODO -- change syntax to fret\string-finger
 
   (let* ((details (merge-details 'fret-diagram-details props '()))
          (barre-start-list '())
@@ -939,9 +939,9 @@ a fret-indication list with the appropriate values"
   (pair?) ; argument type (list, but use pair? for speed)
   #:category instrument-specific-markup ; markup type
   #:properties ((align-dir -0.4) ; properties and defaults
-		(size 1.0)
-		(fret-diagram-details)
-		(thickness 0.5))
+                (size 1.0)
+                (fret-diagram-details)
+                (thickness 0.5))
   "Make a fret diagram containing the symbols indicated in @var{marking-list}.
 
   For example,
diff --git a/scm/graphviz.scm b/scm/graphviz.scm
index 247d30c4a7..fc2076be24 100644
--- a/scm/graphviz.scm
+++ b/scm/graphviz.scm
@@ -20,8 +20,8 @@
   #:use-module (lily)
   #:export
   (make-empty-graph add-node add-edge add-cluster
-		    graph-write
-		    ))
+                    graph-write
+                    ))
 
 (define graph-type (make-record-type "graph" '(nodes edges clusters name)))
 
@@ -37,21 +37,21 @@
 
 (define (add-cluster graph node-id cluster-name)
   (let* ((cs (clusters graph))
-	 (cluster (assoc cluster-name cs))
-	 (already-in-cluster (if cluster
-				 (cdr cluster)
-				 '())))
+         (cluster (assoc cluster-name cs))
+         (already-in-cluster (if cluster
+                                 (cdr cluster)
+                                 '())))
     (set-clusters! graph (assoc-set! cs
-				    cluster-name
-				    (cons node-id already-in-cluster)))))
+                                     cluster-name
+                                     (cons node-id already-in-cluster)))))
 
 (define (add-node graph label . cluster-name)
   (let* ((ns (nodes graph))
          (id (length ns)))
     (set-nodes! graph (assv-set! ns id label))
     (if (and (not (null? cluster-name))
-	     (string? (car cluster-name)))
-	(add-cluster graph id (car cluster-name)))
+             (string? (car cluster-name)))
+        (add-cluster graph id (car cluster-name)))
     id))
 
 (define (add-edge graph node1 node2)
@@ -59,19 +59,19 @@
 
 (define (graph-write graph out)
   (let ((ns (nodes graph))
-	(es (edges graph))
-	(cs (clusters graph)))
+        (es (edges graph))
+        (cs (clusters graph)))
     (ly:message (format #f (_ "Writing graph `~a'...") (port-filename out)))
     (display "digraph G {\nrankdir=\"LR\"\nnode [shape=rectangle]\n" out)
     (for-each (lambda (n) (format out "~a [label=\"~a\"]\n" (car n) (cdr n)))
-	      ns)
+              ns)
     (for-each (lambda (e) (format out "~a -> ~a\n" (car e) (cdr e)))
-	      es)
+              es)
     (for-each (lambda (c)
-		(format out "subgraph cluster_~a {\nlabel= \"~a\"\ncolor=blue\n"
-			(string-filter (car c) char-alphabetic?)
-			(car c))
-		(for-each (lambda (n) (format out "~a\n" n)) (cdr c))
-		(display "}\n" out))
-	      cs)
+                (format out "subgraph cluster_~a {\nlabel= \"~a\"\ncolor=blue\n"
+                        (string-filter (car c) char-alphabetic?)
+                        (car c))
+                (for-each (lambda (n) (format out "~a\n" n)) (cdr c))
+                (display "}\n" out))
+              cs)
     (display "}" out)))
diff --git a/scm/guile-debugger.scm b/scm/guile-debugger.scm
index 8027b4f955..be77f2a48f 100644
--- a/scm/guile-debugger.scm
+++ b/scm/guile-debugger.scm
@@ -31,45 +31,45 @@
   #:use-module (ice-9 debugging ice-9-debugger-extensions)
   #:use-module (ice-9 readline)
   #:export (set-break!
-	    clear-break!
-	    set-trace-call!
-	    clear-trace-call!
-	    set-trace-subtree!
-	    clear-trace-subtree!
-	    debug-help))
+            clear-break!
+            set-trace-call!
+            clear-trace-call!
+            set-trace-subtree!
+            clear-trace-subtree!
+            debug-help))
 
 (define (set-break! proc)
   (install-trap (make <procedure-trap>
-		  #:procedure proc
-		  #:behaviour debug-trap)))
+                  #:procedure proc
+                  #:behaviour debug-trap)))
 (define (clear-break! proc)
   (uninstall-trap (make <procedure-trap>
-		    #:procedure proc
-		    #:behaviour debug-trap)))
+                    #:procedure proc
+                    #:behaviour debug-trap)))
 
 
 (define (set-trace-call! proc)
   (install-trap (make <procedure-trap>
-		  #:procedure proc
-		  #:behaviour (list trace-trap
-				    trace-at-exit))))
+                  #:procedure proc
+                  #:behaviour (list trace-trap
+                                    trace-at-exit))))
 (define (clear-trace-call! proc)
   (uninstall-trap (make <procedure-trap>
-		    #:procedure proc
-		    #:behaviour (list trace-trap
-				      trace-at-exit))))
+                    #:procedure proc
+                    #:behaviour (list trace-trap
+                                      trace-at-exit))))
 
 (define (set-trace-subtree! proc)
   (install-trap (make <procedure-trap>
-		  #:procedure proc
-		  #:behaviour (list trace-trap
-				    trace-until-exit))))
+                  #:procedure proc
+                  #:behaviour (list trace-trap
+                                    trace-until-exit))))
 
 (define (clear-trace-subtree! proc)
   (uninstall-trap (make <procedure-trap>
-		    #:procedure proc
-		    #:behaviour (list trace-trap
-				      trace-until-exit))))
+                    #:procedure proc
+                    #:behaviour (list trace-trap
+                                      trace-until-exit))))
 
 (define (debug-help )
   (display "\nYou may add the following commands as debugging statements in your source file\n")
diff --git a/scm/harp-pedals.scm b/scm/harp-pedals.scm
index 66f342c0cd..ee0ea419a4 100644
--- a/scm/harp-pedals.scm
+++ b/scm/harp-pedals.scm
@@ -20,8 +20,8 @@
 (define-markup-command (harp-pedal layout props definition-string) (string?)
   #:category instrument-specific-markup ; markup type for the documentation!
   #:properties ((size 1.2)
-		(harp-pedal-details '())
-		(thickness 0.5))
+                (harp-pedal-details '())
+                (thickness 0.5))
   "Make a harp pedal diagram.
 
 Possible elements in @var{definition-string}:
@@ -132,15 +132,15 @@ It contains the following settings: @code{box-offset}
 
 ;; Parse the harp pedal definition string into list of directions (-1/0/1), #\o and #\|
 (define (harp-pedals-parse-string definition-string)
- "Parse a harp pedals diagram string and return a list containing 1, 0, -1, #\\o or #\\|"
+  "Parse a harp pedals diagram string and return a list containing 1, 0, -1, #\\o or #\\|"
   (map (lambda (c)
-    (case c
-      ((#\^) 1)
-      ((#\v) -1)
-      ((#\-) 0)
-      ((#\| #\o) c)
-      (else c)))
-    (string->list definition-string)))
+         (case c
+           ((#\^) 1)
+           ((#\v) -1)
+           ((#\-) 0)
+           ((#\| #\o) c)
+           (else c)))
+       (string->list definition-string)))
 
 
 ;; Analyze the pedal-list: Return (pedalcount . (divider positions))
@@ -149,23 +149,23 @@ It contains the following settings: @code{box-offset}
               (pedalcount 0)
               (dividerpositions '()))
     (if (null? pedals)
-      (cons pedalcount (reverse dividerpositions))
+        (cons pedalcount (reverse dividerpositions))
 
-      (case (car pedals)
-        ((-1 0 1) (check (cdr pedals) (+ pedalcount 1) dividerpositions))
-        ((#\|)    (check (cdr pedals) pedalcount (cons pedalcount dividerpositions)))
-        (else     (check (cdr pedals) pedalcount dividerpositions))))))
+        (case (car pedals)
+          ((-1 0 1) (check (cdr pedals) (+ pedalcount 1) dividerpositions))
+          ((#\|)    (check (cdr pedals) pedalcount (cons pedalcount dividerpositions)))
+          (else     (check (cdr pedals) pedalcount dividerpositions))))))
 
 
 ;; Sanity checks, spit out warning if pedal-list violates the conventions
 (define (harp-pedal-check pedal-list)
   "Perform some sanity checks for harp pedals (7 pedals, divider after third)"
   (let ((info (harp-pedal-info pedal-list)))
-    ; 7 pedals:
+                                        ; 7 pedals:
     (if (not (equal? (car info) 7))
-      (ly:warning "Harp pedal diagram contains ~a pedals rather than the usual 7." (car info)))
-    ; One divider after third pedal:
+        (ly:warning "Harp pedal diagram contains ~a pedals rather than the usual 7." (car info)))
+                                        ; One divider after third pedal:
     (if (null? (cdr info))
-      (ly:warning "Harp pedal diagram does not contain a divider (usually after third pedal).")
-      (if (not (equal? (cdr info) '(3)))
-        (ly:warning "Harp pedal diagram contains dividers at positions ~a.  Normally, there is only one divider after the third pedal." (cdr info))))))
+        (ly:warning "Harp pedal diagram does not contain a divider (usually after third pedal).")
+        (if (not (equal? (cdr info) '(3)))
+            (ly:warning "Harp pedal diagram contains dividers at positions ~a.  Normally, there is only one divider after the third pedal." (cdr info))))))
diff --git a/scm/layout-beam.scm b/scm/layout-beam.scm
index f72afacf0d..fe4fa4df43 100644
--- a/scm/layout-beam.scm
+++ b/scm/layout-beam.scm
@@ -18,57 +18,57 @@
 (define check-beam-quant
   (lambda (posl posr)
     (lambda (beam posns)
-  "Check whether BEAM has POSL and POSR quants.  POSL are (POSITION
-. QUANT) pairs, where QUANT is -1 (hang), 0 (center), 1 (sit) or -2/ 2 (inter) 
+      "Check whether BEAM has POSL and POSR quants.  POSL are (POSITION
+. QUANT) pairs, where QUANT is -1 (hang), 0 (center), 1 (sit) or -2/ 2 (inter)
 
 "
-  (let* ((thick (ly:grob-property beam 'beam-thickness))
-	 (layout (ly:grob-layout beam))
-	 (lthick (ly:output-def-lookup layout 'line-thickness))
-	 (staff-thick lthick) ; fixme.
-	 (quant->coord (lambda (p q)
-			 (if (= 2 (abs q))
-			     (+ p (/ q 4.0))
-			     (+ p (- (* 0.5 q thick) (* 0.5 q lthick))))))
-	 (want-l (quant->coord (car posl) (cdr posl))) 
-	 (want-r (quant->coord (car posr) (cdr posr)))
-	 (almost-equal (lambda (x y) (< (abs (- x y)) 1e-3))))
-    
-    (if (or (not (almost-equal want-l (car posns)))
-	    (not (almost-equal want-r (cdr posns))))
-	(begin
-	  (ly:warning (_ "Error in beam quanting.  Expected (~S,~S) found ~S.")
-		      want-l want-r posns)
-	  (set! (ly:grob-property beam 'annotation)
-		(format #f "(~S,~S)" want-l want-r))))
-    posns))))
+      (let* ((thick (ly:grob-property beam 'beam-thickness))
+             (layout (ly:grob-layout beam))
+             (lthick (ly:output-def-lookup layout 'line-thickness))
+             (staff-thick lthick) ; fixme.
+             (quant->coord (lambda (p q)
+                             (if (= 2 (abs q))
+                                 (+ p (/ q 4.0))
+                                 (+ p (- (* 0.5 q thick) (* 0.5 q lthick))))))
+             (want-l (quant->coord (car posl) (cdr posl)))
+             (want-r (quant->coord (car posr) (cdr posr)))
+             (almost-equal (lambda (x y) (< (abs (- x y)) 1e-3))))
+
+        (if (or (not (almost-equal want-l (car posns)))
+                (not (almost-equal want-r (cdr posns))))
+            (begin
+              (ly:warning (_ "Error in beam quanting.  Expected (~S,~S) found ~S.")
+                          want-l want-r posns)
+              (set! (ly:grob-property beam 'annotation)
+                    (format #f "(~S,~S)" want-l want-r))))
+        posns))))
 
 (define check-beam-slope-sign
   (lambda (comparison)
     (lambda (beam posns)
-  "Check whether the slope of BEAM is correct wrt. COMPARISON."
-  (let* ((slope-sign (- (cdr posns) (car posns)))
-	 (correct (comparison slope-sign 0)))
-    (if (not correct)
-	(begin
-	  (ly:warning (_ "Error in beam quanting.  Expected ~S 0, found ~S.")
-		      (procedure-name comparison) slope-sign)
-	  (set! (ly:grob-property beam 'annotation)
-		(format #f "~S 0" (procedure-name comparison))))
-	(set! (ly:grob-property beam 'annotation) ""))
-    posns))))
+      "Check whether the slope of BEAM is correct wrt. COMPARISON."
+      (let* ((slope-sign (- (cdr posns) (car posns)))
+             (correct (comparison slope-sign 0)))
+        (if (not correct)
+            (begin
+              (ly:warning (_ "Error in beam quanting.  Expected ~S 0, found ~S.")
+                          (procedure-name comparison) slope-sign)
+              (set! (ly:grob-property beam 'annotation)
+                    (format #f "~S 0" (procedure-name comparison))))
+            (set! (ly:grob-property beam 'annotation) ""))
+        posns))))
 
 
 (define-public (check-quant-callbacks l r)
   (lambda (grob)
     ((check-beam-quant l r)
-       grob
-       (beam::place-broken-parts-individually grob))))
+     grob
+     (beam::place-broken-parts-individually grob))))
 
 
 (define-public (check-slope-callbacks comparison)
   (lambda (grob)
     ((check-beam-slope-sign comparison)
-       grob
-       (beam::place-broken-parts-individually grob))))
+     grob
+     (beam::place-broken-parts-individually grob))))
 
diff --git a/scm/lily-library.scm b/scm/lily-library.scm
index 48ee33cf50..b334517de1 100644
--- a/scm/lily-library.scm
+++ b/scm/lily-library.scm
@@ -84,35 +84,35 @@
 ;; durations
 
 (define-public (duration-log-factor lognum)
-"Given a logarithmic duration number, return the length of the duration,
+  "Given a logarithmic duration number, return the length of the duration,
 as a number of whole notes."
   (or (and (exact? lognum) (integer? lognum))
-    (scm-error 'wrong-type-arg "duration-log-factor" "Not an integer: ~S" (list lognum) #f))
+      (scm-error 'wrong-type-arg "duration-log-factor" "Not an integer: ~S" (list lognum) #f))
   (if (<= lognum 0)
-    (ash 1 (- lognum))
-    (/ (ash 1 lognum))))
+      (ash 1 (- lognum))
+      (/ (ash 1 lognum))))
 
 (define-public (duration-dot-factor dotcount)
-"Given a count of the dots used to extend a musical duration, return
+  "Given a count of the dots used to extend a musical duration, return
 the numeric factor by which they increase the duration."
   (or (and (exact? dotcount) (integer? dotcount) (>= dotcount 0))
-    (scm-error 'wrong-type-arg "duration-dot-factor" "Not a count: ~S" (list dotcount) #f))
+      (scm-error 'wrong-type-arg "duration-dot-factor" "Not a count: ~S" (list dotcount) #f))
   (- 2 (/ (ash 1 dotcount))))
 
 (define-public (duration-length dur)
-"Return the overall length of a duration, as a number of whole notes.
+  "Return the overall length of a duration, as a number of whole notes.
 (Not to be confused with ly:duration-length, which returns a less-useful
-moment object.)"
+     moment object.)"
   (ly:moment-main (ly:duration-length dur)))
 
 (define-public (duration-visual dur)
-"Given a duration object, return the visual part of the duration (base
+  "Given a duration object, return the visual part of the duration (base
 note length and dot count), in the form of a duration object with
 non-visual scale factor 1."
   (ly:make-duration (ly:duration-log dur) (ly:duration-dot-count dur) 1))
 
 (define-public (duration-visual-length dur)
-"Given a duration object, return the length of the visual part of the
+  "Given a duration object, return the length of the visual part of the
 duration (base note length and dot count), as a number of whole notes."
   (duration-length (duration-visual dur)))
 
@@ -128,15 +128,15 @@ duration (base note length and dot count), as a number of whole notes."
   "Toplevel book-part handler."
   (define (add-bookpart book-part)
     (ly:parser-define!
-       parser 'toplevel-bookparts
-       (cons book-part (ly:parser-lookup parser 'toplevel-bookparts))))
+     parser 'toplevel-bookparts
+     (cons book-part (ly:parser-lookup parser 'toplevel-bookparts))))
   ;; If toplevel scores have been found before this \bookpart,
   ;; add them first to a dedicated bookpart
   (if (pair? (ly:parser-lookup parser 'toplevel-scores))
       (begin
-	(add-bookpart (ly:make-book-part
-		       (ly:parser-lookup parser 'toplevel-scores)))
-	(ly:parser-define! parser 'toplevel-scores (list))))
+        (add-bookpart (ly:make-book-part
+                       (ly:parser-lookup parser 'toplevel-scores)))
+        (ly:parser-define! parser 'toplevel-scores (list))))
   (add-bookpart book-part))
 
 (define-public (collect-scores-for-book parser score)
@@ -148,7 +148,7 @@ duration (base note length and dot count), as a number of whole notes."
   (define (music-property symbol)
     (ly:music-property music symbol #f))
   (cond ((music-property 'page-marker)
-	 ;; a page marker: set page break/turn permissions or label
+         ;; a page marker: set page break/turn permissions or label
          (let ((label (music-property 'page-label)))
            (if (symbol? label)
                (score-handler (ly:make-page-label-marker label))))
@@ -163,23 +163,23 @@ duration (base note length and dot count), as a number of whole notes."
                    '(line-break-permission page-break-permission
                                            page-turn-permission)))
         ((not (music-property 'void))
-	 ;; a regular music expression: make a score with this music
-	 ;; void music is discarded
-	 (score-handler (scorify-music music parser)))))
+         ;; a regular music expression: make a score with this music
+         ;; void music is discarded
+         (score-handler (scorify-music music parser)))))
 
 (define-public (collect-music-for-book parser music)
   "Top-level music handler."
   (collect-music-aux (lambda (score)
-		       (collect-scores-for-book parser score))
+                       (collect-scores-for-book parser score))
                      parser
-		     music))
+                     music))
 
 (define-public (collect-book-music-for-book parser book music)
   "Book music handler."
   (collect-music-aux (lambda (score)
-		       (ly:book-add-score! book score))
+                       (ly:book-add-score! book score))
                      parser
-		     music))
+                     music))
 
 (define-public (scorify-music music parser)
   "Preprocess @var{music}."
@@ -199,8 +199,8 @@ calls to bookOutputName function"
 bookoutput function"
   (let ((book-output-suffix (paper-variable parser book 'output-suffix)))
     (if (not (string? book-output-suffix))
-	(ly:parser-lookup parser 'output-suffix)
-	book-output-suffix)))
+        (ly:parser-lookup parser 'output-suffix)
+        book-output-suffix)))
 
 (define-public current-outfile-name #f)  ; for use by regression tests
 
@@ -210,11 +210,11 @@ bookoutput function"
   ;; the file-name concatenated with any potential output-suffix value
   ;; as the key to out internal a-list
   (let* ((base-name (get-current-filename parser book))
-	 (output-suffix (get-current-suffix parser book))
-	 (alist-key (format #f "~a~a" base-name output-suffix))
-	 (counter-alist (ly:parser-lookup parser 'counter-alist))
-	 (output-count (assoc-get alist-key counter-alist 0))
-	 (result base-name))
+         (output-suffix (get-current-suffix parser book))
+         (alist-key (format #f "~a~a" base-name output-suffix))
+         (counter-alist (ly:parser-lookup parser 'counter-alist))
+         (output-count (assoc-get alist-key counter-alist 0))
+         (result base-name))
     ;; Allow all ASCII alphanumerics, including accents
     (if (string? output-suffix)
         (set! result
@@ -237,8 +237,8 @@ bookoutput function"
 
 (define (print-book-with parser book process-procedure)
   (let* ((paper (ly:parser-lookup parser '$defaultpaper))
-	 (layout (ly:parser-lookup parser '$defaultlayout))
-	 (outfile-name (get-outfile-name parser book)))
+         (layout (ly:parser-lookup parser '$defaultlayout))
+         (outfile-name (get-outfile-name parser book)))
     (process-procedure book paper layout outfile-name)))
 
 (define-public (print-book-with-defaults parser book)
@@ -249,89 +249,89 @@ bookoutput function"
 
 ;; Add a score to the current bookpart, book or toplevel
 (define-public (add-score parser score)
-    (cond
-      ((ly:parser-lookup parser '$current-bookpart)
-          ((ly:parser-lookup parser 'bookpart-score-handler)
-	        (ly:parser-lookup parser '$current-bookpart) score))
-      ((ly:parser-lookup parser '$current-book)
-          ((ly:parser-lookup parser 'book-score-handler)
-	        (ly:parser-lookup parser '$current-book) score))
-      (else
-          ((ly:parser-lookup parser 'toplevel-score-handler) parser score))))
+  (cond
+   ((ly:parser-lookup parser '$current-bookpart)
+    ((ly:parser-lookup parser 'bookpart-score-handler)
+     (ly:parser-lookup parser '$current-bookpart) score))
+   ((ly:parser-lookup parser '$current-book)
+    ((ly:parser-lookup parser 'book-score-handler)
+     (ly:parser-lookup parser '$current-book) score))
+   (else
+    ((ly:parser-lookup parser 'toplevel-score-handler) parser score))))
 
 (define-public paper-variable
   (let
       ((get-papers
-	(lambda (parser book)
-	  (append (if (and book (ly:output-def? (ly:book-paper book)))
-		      (list (ly:book-paper book))
-		      '())
-	          (ly:parser-lookup parser '$papers)
-		  (list (ly:parser-lookup parser '$defaultpaper))))))
+        (lambda (parser book)
+          (append (if (and book (ly:output-def? (ly:book-paper book)))
+                      (list (ly:book-paper book))
+                      '())
+                  (ly:parser-lookup parser '$papers)
+                  (list (ly:parser-lookup parser '$defaultpaper))))))
     (make-procedure-with-setter
      (lambda (parser book symbol)
        (any (lambda (p) (ly:output-def-lookup p symbol #f))
-	    (get-papers parser book)))
+            (get-papers parser book)))
      (lambda (parser book symbol value)
        (ly:output-def-set-variable!
-	(car (get-papers parser book))
-	symbol value)))))
+        (car (get-papers parser book))
+        symbol value)))))
 
 (define-public (add-text parser text)
   (add-score parser (list text)))
 
 (define-public (add-music parser music)
   (collect-music-aux (lambda (score)
-		       (add-score parser score))
+                       (add-score parser score))
                      parser
-		     music))
+                     music))
 
 (define-public (context-mod-from-music parser music)
   (let ((warn #t) (mods (ly:make-context-mod)))
     (let loop ((m music))
       (if (music-is-of-type? m 'layout-instruction-event)
-	  (let ((symbol (ly:music-property m 'symbol)))
-	    (ly:add-context-mod
-	     mods
-	     (case (ly:music-property m 'name)
-	       ((PropertySet)
-		(list 'assign
-		      symbol
-		      (ly:music-property m 'value)))
-	       ((PropertyUnset)
-		(list 'unset symbol))
-	       ((OverrideProperty)
-		(cons* 'push
-		       symbol
-		       (ly:music-property m 'grob-value)
+          (let ((symbol (ly:music-property m 'symbol)))
+            (ly:add-context-mod
+             mods
+             (case (ly:music-property m 'name)
+               ((PropertySet)
+                (list 'assign
+                      symbol
+                      (ly:music-property m 'value)))
+               ((PropertyUnset)
+                (list 'unset symbol))
+               ((OverrideProperty)
+                (cons* 'push
+                       symbol
+                       (ly:music-property m 'grob-value)
                        (cond
                         ((ly:music-property m 'grob-property #f) => list)
                         (else
                          (ly:music-property m 'grob-property-path)))))
                ((RevertProperty)
-		(cons* 'pop
-		       symbol
+                (cons* 'pop
+                       symbol
                        (cond
                         ((ly:music-property m 'grob-property #f) => list)
                         (else
                          (ly:music-property m 'grob-property-path))))))))
-	  (case (ly:music-property m 'name)
-	    ((ApplyContext)
-	     (ly:add-context-mod mods
-				 (list 'apply
-				       (ly:music-property m 'procedure))))
-	    ((ContextSpeccedMusic)
-	     (loop (ly:music-property m 'element)))
-	    (else
-	     (let ((callback (ly:music-property m 'elements-callback)))
-	       (if (procedure? callback)
-		   (for-each loop (callback m))
-		   (if (and warn (ly:duration? (ly:music-property m 'duration)))
-		       (begin
-			 (ly:music-warning
-			  music
-			  (_ "Music unsuitable for context-mod"))
-			 (set! warn #f)))))))))
+          (case (ly:music-property m 'name)
+            ((ApplyContext)
+             (ly:add-context-mod mods
+                                 (list 'apply
+                                       (ly:music-property m 'procedure))))
+            ((ContextSpeccedMusic)
+             (loop (ly:music-property m 'element)))
+            (else
+             (let ((callback (ly:music-property m 'elements-callback)))
+               (if (procedure? callback)
+                   (for-each loop (callback m))
+                   (if (and warn (ly:duration? (ly:music-property m 'duration)))
+                       (begin
+                         (ly:music-warning
+                          music
+                          (_ "Music unsuitable for context-mod"))
+                         (set! warn #f)))))))))
     mods))
 
 (define-public (context-defs-from-music parser output-def music)
@@ -345,64 +345,64 @@ bookoutput function"
       ;; context modification results in a reasonably recognizable
       ;; error.
       (if (music-is-of-type? m 'layout-instruction-event)
-	  (ly:add-context-mod
-	   mods
-	   (case (ly:music-property m 'name)
-	     ((PropertySet)
-	      (list 'assign
-		    (ly:music-property m 'symbol)
-		    (ly:music-property m 'value)))
-	     ((PropertyUnset)
-	      (list 'unset
-		    (ly:music-property m 'symbol)))
-	     ((OverrideProperty)
-	      (cons* 'push
-		     (ly:music-property m 'symbol)
-		     (ly:music-property m 'grob-value)
+          (ly:add-context-mod
+           mods
+           (case (ly:music-property m 'name)
+             ((PropertySet)
+              (list 'assign
+                    (ly:music-property m 'symbol)
+                    (ly:music-property m 'value)))
+             ((PropertyUnset)
+              (list 'unset
+                    (ly:music-property m 'symbol)))
+             ((OverrideProperty)
+              (cons* 'push
+                     (ly:music-property m 'symbol)
+                     (ly:music-property m 'grob-value)
                      (cond
                       ((ly:music-property m 'grob-property #f) => list)
                       (else
                        (ly:music-property m 'grob-property-path)))))
-	     ((RevertProperty)
-	      (cons* 'pop
-		     (ly:music-property m 'symbol)
+             ((RevertProperty)
+              (cons* 'pop
+                     (ly:music-property m 'symbol)
                      (cond
                       ((ly:music-property m 'grob-property #f) => list)
                       (else
                        (ly:music-property m 'grob-property-path)))))))
-	  (case (ly:music-property m 'name)
-	    ((ApplyContext)
-	     (ly:add-context-mod mods
-				 (list 'apply
-				       (ly:music-property m 'procedure))))
-	    ((ContextSpeccedMusic)
-	     ;; Use let* here to let defs catch up with modifications
-	     ;; to the context defs made in the recursion
-	     (let* ((mods (loop (ly:music-property m 'element)
-				(ly:make-context-mod)))
-		    (defs (ly:output-find-context-def
-			   output-def (ly:music-property m 'context-type))))
-	       (if (null? defs)
-		   (ly:music-warning
-		    music
-		    (ly:format (_ "Cannot find context-def \\~a")
-			       (ly:music-property m 'context-type)))
-		   (for-each
-		    (lambda (entry)
-		      (ly:output-def-set-variable!
-		       output-def (car entry)
-		       (ly:context-def-modify (cdr entry) mods)))
-		    defs))))
-	    (else
-	     (let ((callback (ly:music-property m 'elements-callback)))
-	       (if (procedure? callback)
-		   (fold loop mods (callback m))
-		   (if (and warn (ly:duration? (ly:music-property m 'duration)))
-		       (begin
-			 (ly:music-warning
-			  music
-			  (_ "Music unsuitable for output-def"))
-			 (set! warn #f))))))))
+          (case (ly:music-property m 'name)
+            ((ApplyContext)
+             (ly:add-context-mod mods
+                                 (list 'apply
+                                       (ly:music-property m 'procedure))))
+            ((ContextSpeccedMusic)
+             ;; Use let* here to let defs catch up with modifications
+             ;; to the context defs made in the recursion
+             (let* ((mods (loop (ly:music-property m 'element)
+                                (ly:make-context-mod)))
+                    (defs (ly:output-find-context-def
+                           output-def (ly:music-property m 'context-type))))
+               (if (null? defs)
+                   (ly:music-warning
+                    music
+                    (ly:format (_ "Cannot find context-def \\~a")
+                               (ly:music-property m 'context-type)))
+                   (for-each
+                    (lambda (entry)
+                      (ly:output-def-set-variable!
+                       output-def (car entry)
+                       (ly:context-def-modify (cdr entry) mods)))
+                    defs))))
+            (else
+             (let ((callback (ly:music-property m 'elements-callback)))
+               (if (procedure? callback)
+                   (fold loop mods (callback m))
+                   (if (and warn (ly:duration? (ly:music-property m 'duration)))
+                       (begin
+                         (ly:music-warning
+                          music
+                          (_ "Music unsuitable for output-def"))
+                         (set! warn #f))))))))
       mods)))
 
 
@@ -416,26 +416,26 @@ bookoutput function"
 (define-public (uniqued-alist alist acc)
   (if (null? alist) acc
       (if (assoc (caar alist) acc)
-	  (uniqued-alist (cdr alist) acc)
-	  (uniqued-alist (cdr alist) (cons (car alist) acc)))))
+          (uniqued-alist (cdr alist) acc)
+          (uniqued-alist (cdr alist) (cons (car alist) acc)))))
 
 (define-public (alist<? x y)
   (string<? (symbol->string (car x))
-	    (symbol->string (car y))))
+            (symbol->string (car y))))
 
 (define (map-alist-vals func list)
   "map FUNC over the vals of  LIST, leaving the keys."
   (if (null?  list)
       '()
       (cons (cons  (caar list) (func (cdar list)))
-	    (map-alist-vals func (cdr list)))))
+            (map-alist-vals func (cdr list)))))
 
 (define (map-alist-keys func list)
   "map FUNC over the keys of an alist LIST, leaving the vals."
   (if (null?  list)
       '()
       (cons (cons (func (caar list)) (cdar list))
-	    (map-alist-keys func (cdr list)))))
+            (map-alist-keys func (cdr list)))))
 
 (define-public (first-member members lst)
   "Return first successful member (of member) from @var{members} in
@@ -450,8 +450,8 @@ bookoutput function"
   (if (null? alist)
       '()
       (cons (caar alist)
-	    (cons (cdar alist)
-		  (flatten-alist (cdr alist))))))
+            (cons (cdar alist)
+                  (flatten-alist (cdr alist))))))
 
 (define (assoc-remove key alist)
   "Remove key (and its corresponding value) from an alist.
@@ -473,19 +473,19 @@ For example:
 @code{guile> (map-selected-alist-keys - '(a b) '((a . 1) (b . -2) (c . 3) (d . 4)))}
 @code{((a . -1) (b . 2) (c . 3) (d . 4)}
 @end example"
-   (define (map-selected-alist-keys-helper function key alist)
-     (map
+  (define (map-selected-alist-keys-helper function key alist)
+    (map
      (lambda (pair)
        (if (equal? key (car pair))
            (cons key (function (cdr pair)))
            pair))
      alist))
-   (if (null? keys)
-       alist
-       (map-selected-alist-keys
-         function
-         (cdr keys)
-         (map-selected-alist-keys-helper function (car keys) alist))))
+  (if (null? keys)
+      alist
+      (map-selected-alist-keys
+       function
+       (cdr keys)
+       (map-selected-alist-keys-helper function (car keys) alist))))
 
 ;;;;;;;;;;;;;;;;
 ;; vector
@@ -523,13 +523,13 @@ For example:
 
   (define (helper todo acc-vector k)
     (if (null? todo)
-	acc-vector
-	(begin
-	  (if (< k 0)
-	      (set! k (+ n k)))
+        acc-vector
+        (begin
+          (if (< k 0)
+              (set! k (+ n k)))
 
-	  (vector-set! acc-vector k (cons (car todo) (vector-ref acc-vector k)))
-	  (helper (cdr todo) acc-vector (1- k)))))
+          (vector-set! acc-vector k (cons (car todo) (vector-ref acc-vector k)))
+          (helper (cdr todo) acc-vector (1- k)))))
 
   (helper lst (make-vector n '()) (1- n)))
 
@@ -546,10 +546,10 @@ For example:
 
   (fold-right
    (lambda (elem prev)
-	    (if (pair? prev)
-		(cons  elem (cons intermediate prev))
-		(list elem)))
-	  '() lst))
+     (if (pair? prev)
+         (cons  elem (cons intermediate prev))
+         (list elem)))
+   '() lst))
 
 (define-public (filtered-map proc lst)
   (filter
@@ -573,12 +573,12 @@ for comparisons."
 
   (reverse!
    (fold (lambda (x acc)
-	   (if (null? acc)
-	       (list x)
-	       (if (equal? x (car acc))
-		   acc
-		   (cons x acc))))
-	 '() lst) '()))
+           (if (null? acc)
+               (list x)
+               (if (equal? x (car acc))
+                   acc
+                   (cons x acc))))
+         '() lst) '()))
 
 (define (split-at-predicate pred lst)
   "Split LST into two lists at the first element that returns #f for
@@ -608,20 +608,20 @@ executing @samp{(split-list-by-separator '(a 0 b c 1 d) number?)} returns
 
 (define-public (offset-add a b)
   (cons (+ (car a) (car b))
-	(+ (cdr a) (cdr b))))
+        (+ (cdr a) (cdr b))))
 
 (define-public (offset-flip-y o)
   (cons (car o) (- (cdr o))))
 
 (define-public (offset-scale o scale)
   (cons (* (car o) scale)
-	(* (cdr o) scale)))
+        (* (cdr o) scale)))
 
 (define-public (ly:list->offsets accum coords)
   (if (null? coords)
       accum
       (cons (cons (car coords) (cadr coords))
-	    (ly:list->offsets accum (cddr coords)))))
+            (ly:list->offsets accum (cddr coords)))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; intervals
@@ -637,7 +637,7 @@ executing @samp{(split-list-by-separator '(a 0 b c 1 d) number?)} returns
 
 (define-public (ordered-cons a b)
   (cons (min a b)
-	(max a b)))
+        (max a b)))
 
 (define-public (interval-bound interval dir)
   ((if (= dir RIGHT) cdr car) interval))
@@ -647,7 +647,7 @@ executing @samp{(split-list-by-separator '(a 0 b c 1 d) number?)} returns
 right (@var{dir}=+1)."
 
   (* (+  (interval-start interval) (interval-end interval)
-	 (* dir (- (interval-end interval) (interval-start interval))))
+         (* dir (- (interval-end interval) (interval-start interval))))
      0.5))
 
 (define-public (interval-center x)
@@ -665,31 +665,31 @@ right (@var{dir}=+1)."
 
 (define-public (interval-scale iv factor)
   (cons (* (car iv) factor)
-    (* (cdr iv) factor)))
+        (* (cdr iv) factor)))
 
 (define-public (interval-widen iv amount)
   (cons (- (car iv) amount)
-    (+ (cdr iv) amount)))
+        (+ (cdr iv) amount)))
 
 (define-public (interval-empty? iv)
-   (> (car iv) (cdr iv)))
+  (> (car iv) (cdr iv)))
 
 (define-public (interval-union i1 i2)
   (cons
-    (min (car i1) (car i2))
-    (max (cdr i1) (cdr i2))))
+   (min (car i1) (car i2))
+   (max (cdr i1) (cdr i2))))
 
 (define-public (interval-intersection i1 i2)
-   (cons
-     (max (car i1) (car i2))
-     (min (cdr i1) (cdr i2))))
+  (cons
+   (max (car i1) (car i2))
+   (min (cdr i1) (cdr i2))))
 
 (define-public (interval-sane? i)
   (not (or  (nan? (car i))
-	    (inf? (car i))
-	    (nan? (cdr i))
-	    (inf? (cdr i))
-	    (> (car i) (cdr i)))))
+            (inf? (car i))
+            (nan? (cdr i))
+            (inf? (cdr i))
+            (> (car i) (cdr i)))))
 
 (define-public (add-point interval p)
   (cons (min (interval-start interval) p)
@@ -706,19 +706,19 @@ right (@var{dir}=+1)."
 
 (define (coord-operation operator operand coordinate)
   (if (pair? operand)
-    (cons (operator (coord-x operand) (coord-x coordinate))
-          (operator (coord-y operand) (coord-y coordinate)))
-    (cons (operator operand (coord-x coordinate))
-          (operator operand (coord-y coordinate)))))
+      (cons (operator (coord-x operand) (coord-x coordinate))
+            (operator (coord-y operand) (coord-y coordinate)))
+      (cons (operator operand (coord-x coordinate))
+            (operator operand (coord-y coordinate)))))
 
 (define (coord-apply function coordinate)
   (if (pair? function)
-    (cons
-      ((coord-x function) (coord-x coordinate))
-      ((coord-y function) (coord-y coordinate)))
-    (cons
-      (function (coord-x coordinate))
-      (function (coord-y coordinate)))))
+      (cons
+       ((coord-x function) (coord-x coordinate))
+       ((coord-y function) (coord-y coordinate)))
+      (cons
+       (function (coord-x coordinate))
+       (function (coord-y coordinate)))))
 
 (define-public (coord-translate coordinate amount)
   (coord-operation + amount coordinate))
@@ -728,16 +728,16 @@ right (@var{dir}=+1)."
 
 (define-public (coord-rotate coordinate degrees-in-radians)
   (let*
-    ((coordinate
-      (cons
-        (exact->inexact (coord-x coordinate))
-        (exact->inexact (coord-y coordinate))))
-     (radius
-      (sqrt
-        (+ (* (coord-x coordinate) (coord-x coordinate))
-           (* (coord-y coordinate) (coord-y coordinate)))))
-    (angle (angle-0-2pi (atan (coord-y coordinate) (coord-x coordinate)))))
-   (cons
+      ((coordinate
+        (cons
+         (exact->inexact (coord-x coordinate))
+         (exact->inexact (coord-y coordinate))))
+       (radius
+        (sqrt
+         (+ (* (coord-x coordinate) (coord-x coordinate))
+            (* (coord-y coordinate) (coord-y coordinate)))))
+       (angle (angle-0-2pi (atan (coord-y coordinate) (coord-x coordinate)))))
+    (cons
      (* radius (cos (+ angle degrees-in-radians)))
      (* radius (sin (+ angle degrees-in-radians))))))
 
@@ -776,31 +776,31 @@ right (@var{dir}=+1)."
 
 (define-public (ellipse-radius x-radius y-radius angle)
   (/
-    (* x-radius y-radius)
-    (sqrt
-      (+ (* (expt y-radius 2)
-            (* (cos angle) (cos angle)))
-        (* (expt x-radius 2)
-           (* (sin angle) (sin angle)))))))
+   (* x-radius y-radius)
+   (sqrt
+    (+ (* (expt y-radius 2)
+          (* (cos angle) (cos angle)))
+       (* (expt x-radius 2)
+          (* (sin angle) (sin angle)))))))
 
 (define-public (polar->rectangular radius angle-in-degrees)
   "Return polar coordinates (@var{radius}, @var{angle-in-degrees})
 as rectangular coordinates @ode{(x-length . y-length)}."
 
   (let ((complex (make-polar
-                    radius
-                    (degrees->radians angle-in-degrees))))
-     (cons
-       (real-part complex)
-       (imag-part complex))))
+                  radius
+                  (degrees->radians angle-in-degrees))))
+    (cons
+     (real-part complex)
+     (imag-part complex))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; string
 
 (define-public (string-endswith s suffix)
   (equal? suffix (substring s
-			    (max 0 (- (string-length s) (string-length suffix)))
-			    (string-length s))))
+                            (max 0 (- (string-length s) (string-length suffix)))
+                            (string-length s))))
 
 (define-public (string-startswith s prefix)
   (equal? prefix (substring s 0 (min (string-length s) (string-length prefix)))))
@@ -810,8 +810,8 @@ as rectangular coordinates @ode{(x-length . y-length)}."
    ((= i  0) "o")
    ((< i 0)   (string-append "n" (string-encode-integer (- i))))
    (else (string-append
-	  (make-string 1 (integer->char (+ 65 (modulo i 26))))
-	  (string-encode-integer (quotient i 26))))))
+          (make-string 1 (integer->char (+ 65 (modulo i 26))))
+          (string-encode-integer (quotient i 26))))))
 
 (define (number->octal-string x)
   (let* ((n (inexact->exact x))
@@ -828,14 +828,14 @@ as rectangular coordinates @ode{(x-length . y-length)}."
 
 (define-public (ly:number-pair->string c)
   (string-append (ly:number->string (car c)) " "
-		 (ly:number->string (cdr c))))
+                 (ly:number->string (cdr c))))
 
 (define-public (dir-basename file . rest)
   "Strip suffixes in @var{rest}, but leave directory component for
 @var{file}."
   (define (inverse-basename x y) (basename y x))
   (simple-format #f "~a/~a" (dirname file)
-		 (fold inverse-basename file rest)))
+                 (fold inverse-basename file rest)))
 
 (define-public (write-me message x)
   "Return @var{x}.  Display @var{message} and write @var{x}.
@@ -864,8 +864,8 @@ Handy for debugging, possibly turned off."
   "Create new list, inserting @var{between} between elements of @var{lst}."
   (define (conc x y )
     (if (eq? y #f)
-	(list x)
-	(cons x  (cons between y))))
+        (list x)
+        (cons x  (cons between y))))
   (fold-right conc #f lst))
 
 (define-public (string-regexp-substitute a b str)
@@ -877,9 +877,9 @@ Handy for debugging, possibly turned off."
   (define (notice match)
 
     (set! matches (cons (substring (match:string match)
-				   end-of-prev-match
-				   (match:start match))
-			matches))
+                                   end-of-prev-match
+                                   (match:start match))
+                        matches))
     (set! end-of-prev-match (match:end match)))
 
   (regexp-substitute/global #f regex str notice 'post)
@@ -889,7 +889,7 @@ Handy for debugging, possibly turned off."
        matches
        (cons (substring str end-of-prev-match (string-length str)) matches)))
 
-   (reverse matches))
+  (reverse matches))
 
 ;;;;;;;;;;;;;;;;
 ;; other
@@ -906,13 +906,13 @@ applied to function @var{getter}.")
   (if (<= end start)
       start
       (let* ((compare (quotient (+ start end) 2))
-	     (get-val (getter compare)))
-	(cond
-	 ((< target-val get-val)
-	  (set! end (1- compare)))
-	 ((< get-val target-val)
-	  (set! start (1+ compare))))
-	(binary-search start end getter target-val))))
+             (get-val (getter compare)))
+        (cond
+         ((< target-val get-val)
+          (set! end (1- compare)))
+         ((< get-val target-val)
+          (set! start (1+ compare))))
+        (binary-search start end getter target-val))))
 
 (define-public (car< a b)
   (< (car a) (car b)))
@@ -932,7 +932,7 @@ in module @var{module}.  In that case evaluate, otherwise
 print a warning and set an optional @var{default}."
   (let* ((unavailable? (lambda (sym)
                          (not (module-defined? module sym))))
-	 (sym-unavailable
+         (sym-unavailable
           (filter
            unavailable?
            (filter symbol? (flatten-list symbol)))))
@@ -940,10 +940,10 @@ print a warning and set an optional @var{default}."
         (eval symbol module)
         (let* ((def (and (pair? default) (car default))))
           (ly:programming-error
-            "cannot evaluate ~S in module ~S, setting to ~S"
-            (object->string symbol)
-            (object->string module)
-            (object->string def))
+           "cannot evaluate ~S in module ~S, setting to ~S"
+           (object->string symbol)
+           (object->string module)
+           (object->string def))
           def))))
 
 ;;
@@ -951,18 +951,18 @@ print a warning and set an optional @var{default}."
 ;;
 (define-public (scm->string val)
   (if (and (procedure? val)
-	   (symbol? (procedure-name val)))
+           (symbol? (procedure-name val)))
       (symbol->string (procedure-name val))
       (string-append
        (if (self-evaluating? val)
-	   (if (string? val)
-	       "\""
-	       "")
-	   "'")
+           (if (string? val)
+               "\""
+               "")
+           "'")
        (call-with-output-string (lambda (port) (display val port)))
        (if (string? val)
-	   "\""
-	   ""))))
+           "\""
+           ""))))
 
 (define-public (!= lst r)
   (not (= lst r)))
@@ -981,13 +981,13 @@ print a warning and set an optional @var{default}."
   (if (string? font)
       (string-downcase font)
       (let* ((font-name (ly:font-name font))
-	     (full-name (if font-name font-name (ly:font-file-name font))))
-	  (string-downcase full-name))))
+             (full-name (if font-name font-name (ly:font-file-name font))))
+        (string-downcase full-name))))
 
 (define-public (modified-font-metric-font-scaling font)
   (let* ((designsize (ly:font-design-size font))
-	 (magnification (* (ly:font-magnification font)))
-	 (scaling (* magnification designsize)))
+         (magnification (* (ly:font-magnification font)))
+         (scaling (* magnification designsize)))
     (debugf "scaling:~S\n" scaling)
     (debugf "magnification:~S\n" magnification)
     (debugf "design:~S\n" designsize)
@@ -995,6 +995,6 @@ print a warning and set an optional @var{default}."
 
 (define-public (version-not-seen-message input-file-name)
   (ly:warning-located
-    (ly:format "~a:1" input-file-name)
-    (_ "no \\version statement found, please add~afor future compatibility")
-    (format #f "\n\n\\version ~s\n\n" (lilypond-version))))
+   (ly:format "~a:1" input-file-name)
+   (_ "no \\version statement found, please add~afor future compatibility")
+   (format #f "\n\n\\version ~s\n\n" (lilypond-version))))
diff --git a/scm/lily-sort.scm b/scm/lily-sort.scm
index 19fba423d4..95d3e33ffb 100644
--- a/scm/lily-sort.scm
+++ b/scm/lily-sort.scm
@@ -68,14 +68,14 @@
           ((null? a) (cons #f (car b)))
           ((null? b) (cons (car a) #f))
           ((not ((if ci char-ci=? char=?) (car a) (car b)))
-              (cons (car a) (car b)))
+           (cons (car a) (car b)))
           (else (find-mismatch (cdr a) (cdr b))))))
 
 (define (ly:string-generic-<? a b ci)
   (let ((mismatch (first-diff-chars a b ci)))
     (cond ((and mismatch (car mismatch) (cdr mismatch))
-             ((if ci ly:char-ci<? ly:char<?)
-                   (car mismatch) (cdr mismatch)))
+           ((if ci ly:char-ci<? ly:char<?)
+            (car mismatch) (cdr mismatch)))
           ((and mismatch (cdr mismatch)) #t)
           (else #f))))
 
diff --git a/scm/lily.scm b/scm/lily.scm
index 2028f1c20e..f227adc5b9 100644
--- a/scm/lily.scm
+++ b/scm/lily.scm
@@ -120,13 +120,13 @@ variables in the current module as well as those defined with
 ignore @var{thunk} and instead just reinitialize all recorded
 variables to their value after the initial call of @var{thunk}."
 
-;; We need to save the variables of the current module along with
-;; their values: functions defined in the module might refer to the
-;; variables.
+  ;; We need to save the variables of the current module along with
+  ;; their values: functions defined in the module might refer to the
+  ;; variables.
 
-;; The entries in lilypond-declarations consist of a cons* consisting
-;; of symbol, variable, and value.  Variables defined with
-;; define-session have the symbol set to #f.
+  ;; The entries in lilypond-declarations consist of a cons* consisting
+  ;; of symbol, variable, and value.  Variables defined with
+  ;; define-session have the symbol set to #f.
 
   (if (ly:undead? lilypond-declarations)
       (begin
@@ -169,7 +169,7 @@ variables to their value after the initial call of @var{thunk}."
     ;; be longer than 48 characters per line.
 
     (anti-alias-factor 1
-"Render at higher resolution
+                       "Render at higher resolution
 (using given factor) and scale down result to prevent jaggies in
 PNG images.")
     (aux-files
@@ -379,7 +379,7 @@ messages into errors.")
              (scm clip-region)
              (scm memory-trace)
              (scm coverage)
-	     (scm safe-utility-defs))
+             (scm safe-utility-defs))
 
 (define-public _ gettext)
 ;;; There are new modules defined in Guile V2.0 which we need to use.
@@ -389,11 +389,11 @@ messages into errors.")
 ;;
 
 (cond
-  ((guile-v2)
-   (ly:debug (_ "Using (ice-9 curried-definitions) module\n"))
-   (use-modules (ice-9 curried-definitions)))
-  (else
-    (ly:debug (_ "Guile 1.8\n"))))
+ ((guile-v2)
+  (ly:debug (_ "Using (ice-9 curried-definitions) module\n"))
+  (use-modules (ice-9 curried-definitions)))
+ (else
+  (ly:debug (_ "Guile 1.8\n"))))
 
 ;; TODO add in modules for V1.8.7 deprecated in V2.0 and integrated
 ;; into Guile base code, like (ice-9 syncase).
@@ -469,8 +469,8 @@ messages into errors.")
   (if (string-index x #\\)
       x
       (string-regexp-substitute
-        "//*" "/"
-        (string-regexp-substitute "\\\\" "/" x))))
+       "//*" "/"
+       (string-regexp-substitute "\\\\" "/" x))))
 
 (define-public (ly-getcwd)
   (if (eq? PLATFORM 'windows)
@@ -588,7 +588,7 @@ messages into errors.")
     "x11-color.scm"))
 ;;  - Files to be loaded last
 (define init-scheme-files-tail
-;;  - must be after everything has been defined
+  ;;  - must be after everything has been defined
   '("safe-lily.scm"))
 ;;
 ;; Now construct the load list
@@ -643,7 +643,7 @@ messages into errors.")
 
 (define-public guile-predicates
   `((,hash-table? . "hash table")
-  ))
+    ))
 
 (define-public lilypond-scheme-predicates
   `((,boolean-or-symbol? . "boolean or symbol")
@@ -777,10 +777,10 @@ messages into errors.")
                          (lambda (a b)
                            (< (object-address (car a))
                               (object-address (car b))))))
-        (out-file-name (string-append
-                       "gcstat-" (number->string gc-protect-stat-count)
-                       ".scm"))
-        (outfile (open-file out-file-name "w")))
+         (out-file-name (string-append
+                         "gcstat-" (number->string gc-protect-stat-count)
+                         ".scm"))
+         (outfile (open-file out-file-name "w")))
     (set! gc-dumping #t)
     (ly:progress "Dumping GC statistics ~a...\n" out-file-name)
     (for-each (lambda (y)
@@ -810,13 +810,13 @@ messages into errors.")
           (ly:set-option 'debug-gc-assert-parsed-dead #t)
           (gc)
           (ly:set-option 'debug-gc-assert-parsed-dead #f)
-	  (for-each
-	   (lambda (x)
-	     (if (not (hashq-ref gc-zombies x))
-		 (begin
-		   (ly:programming-error "Parsed object should be dead: ~a" x)
-		   (hashq-set! gc-zombies x #t))))
-	   (ly:parsed-undead-list!))
+          (for-each
+           (lambda (x)
+             (if (not (hashq-ref gc-zombies x))
+                 (begin
+                   (ly:programming-error "Parsed object should be dead: ~a" x)
+                   (hashq-set! gc-zombies x #t))))
+           (ly:parsed-undead-list!))
           (set! stats (gc-live-object-stats))
           (ly:progress "Dumping live object statistics.\n")
           (dump-live-object-stats outfile)))
@@ -862,9 +862,9 @@ PIDs or the number of the process."
   (define (helper count acc)
     (if (> count 0)
         (let* ((pid (primitive-fork)))
-              (if (= pid 0)
-                  (1- count)
-                  (helper (1- count) (cons pid acc))))
+          (if (= pid 0)
+              (1- count)
+              (helper (1- count) (cons pid acc))))
         acc))
 
   (helper count '()))
@@ -916,7 +916,7 @@ PIDs or the number of the process."
             (begin (ly:set-option
                     'log-file (format #f "~a-~a"
                                       (ly:get-option 'log-file) joblist))
-                    (set! files (vector-ref split-todo joblist)))
+                   (set! files (vector-ref split-todo joblist)))
             (begin (ly:progress "\nForking into jobs:  ~a\n" joblist)
                    (for-each
                     (lambda (pid)
@@ -924,7 +924,7 @@ PIDs or the number of the process."
                         (if (not (= stat 0))
                             (set! errors
                                   (acons (list-element-index joblist pid)
-                                 stat errors)))))
+                                         stat errors)))))
                     joblist)
                    (for-each
                     (lambda (x)
@@ -943,17 +943,17 @@ PIDs or the number of the process."
                             (ly:message
                              (_ "logfile ~a (exit ~a):\n~a")
                              logfile (status:exit-val state) tail))))
-                      errors)
-                     (if (pair? errors)
-                         (ly:error "Children ~a exited with errors."
-                                   (map car errors)))
-                     ;; must overwrite individual entries
-                     (if (ly:get-option 'dump-profile)
-                         (dump-profile "lily-run-total"
-                                       '(0 0) (profile-measurements)))
-                     (if (null? errors)
-                         (ly:exit 0 #f)
-                         (ly:exit 1 #f))))))
+                    errors)
+                   (if (pair? errors)
+                       (ly:error "Children ~a exited with errors."
+                                 (map car errors)))
+                   ;; must overwrite individual entries
+                   (if (ly:get-option 'dump-profile)
+                       (dump-profile "lily-run-total"
+                                     '(0 0) (profile-measurements)))
+                   (if (null? errors)
+                       (ly:exit 0 #f)
+                       (ly:exit 1 #f))))))
 
   (if (string-or-symbol? (ly:get-option 'log-file))
       (ly:stderr-redirect (format #f "~a.log" (ly:get-option 'log-file)) "w"))
diff --git a/scm/ly-syntax-constructors.scm b/scm/ly-syntax-constructors.scm
index 7817ec25c5..5f1583589b 100644
--- a/scm/ly-syntax-constructors.scm
+++ b/scm/ly-syntax-constructors.scm
@@ -35,9 +35,9 @@
 ;; report errors.
 (defmacro define-ly-syntax-simple (args . body)
   `(define-public ,(cons* (car args)
-			  'parser
-			  'location
-			  (cdr args))
+                          'parser
+                          'location
+                          (cdr args))
      (let ((m ,(cons 'begin body)))
        (set! (ly:music-property m 'origin) location)
        m)))
@@ -51,29 +51,29 @@
 ;; fallback.
 (define-ly-syntax (music-function parser loc fun args . rest)
   (let* ((sig (ly:music-function-signature fun))
-	 (pred (if (pair? (car sig)) (caar sig) (car sig)))
-	 (good (proper-list? args))
-	 (m (and good (apply (ly:music-function-extract fun)
-			     parser loc (reverse! args rest)))))
+         (pred (if (pair? (car sig)) (caar sig) (car sig)))
+         (good (proper-list? args))
+         (m (and good (apply (ly:music-function-extract fun)
+                             parser loc (reverse! args rest)))))
     (if (and good (pred m))
-	(begin
-	  (if (ly:music? m)
-	      (set! (ly:music-property m 'origin) loc))
-	  m)
-	(begin
-	  (if good
-	      (ly:parser-error parser
-			       (format #f (_ "~a function cannot return ~a")
-				       (type-name pred) m)
-			       loc))
-	  (and (pair? (car sig)) (cdar sig))))))
+        (begin
+          (if (ly:music? m)
+              (set! (ly:music-property m 'origin) loc))
+          m)
+        (begin
+          (if good
+              (ly:parser-error parser
+                               (format #f (_ "~a function cannot return ~a")
+                                       (type-name pred) m)
+                               loc))
+          (and (pair? (car sig)) (cdar sig))))))
 
 (define-ly-syntax (argument-error parser location n pred arg)
   (ly:parser-error
    parser
    (format #f
-	   (_ "wrong type for argument ~a.  Expecting ~a, found ~s")
-	   n (type-name pred) arg)
+           (_ "wrong type for argument ~a.  Expecting ~a, found ~s")
+           n (type-name pred) arg)
    location))
 
 (define-ly-syntax-simple (void-music)
@@ -87,16 +87,16 @@
 
 (define-ly-syntax-simple (event-chord mlist)
   (make-music 'EventChord
-	      'elements mlist))
+              'elements mlist))
 
 (define-ly-syntax-simple (unrelativable-music mus)
   (make-music 'UnrelativableMusic
-	      'element mus))
+              'element mus))
 
 (define-ly-syntax-simple (context-change type id)
   (make-music 'ContextChange
-	      'change-to-type type
-	      'change-to-id id))
+              'change-to-type type
+              'change-to-id id))
 
 (define-ly-syntax-simple (voice-separator)
   (make-music 'VoiceSeparator))
@@ -106,32 +106,32 @@
 
 (define-ly-syntax (tempo parser location text . rest)
   (let* ((unit (and (pair? rest)
-		    (car rest)))
-	 (count (and unit
-		     (cadr rest)))
-	 (range-tempo? (pair? count))
-	 (tempo-change (make-music 'TempoChangeEvent
-				   'origin location
-				   'text text
-				   'tempo-unit unit
-				   'metronome-count count))
-	 (tempo-set
-	  (and unit
-	       (context-spec-music
-		(make-property-set 'tempoWholesPerMinute
-				   (ly:moment-mul
-				    (ly:make-moment
-				     (if range-tempo?
-					 (round (/ (+ (car count) (cdr count))
-						   2))
-					 count)
-				     1)
-				    (ly:duration-length unit)))
-		'Score))))
+                    (car rest)))
+         (count (and unit
+                     (cadr rest)))
+         (range-tempo? (pair? count))
+         (tempo-change (make-music 'TempoChangeEvent
+                                   'origin location
+                                   'text text
+                                   'tempo-unit unit
+                                   'metronome-count count))
+         (tempo-set
+          (and unit
+               (context-spec-music
+                (make-property-set 'tempoWholesPerMinute
+                                   (ly:moment-mul
+                                    (ly:make-moment
+                                     (if range-tempo?
+                                         (round (/ (+ (car count) (cdr count))
+                                                   2))
+                                         count)
+                                     1)
+                                    (ly:duration-length unit)))
+                'Score))))
 
     (if tempo-set
-	(make-sequential-music (list tempo-change tempo-set))
-	tempo-change)))
+        (make-sequential-music (list tempo-change tempo-set))
+        tempo-change)))
 
 (define-ly-syntax-simple (repeat type num body alts)
   (make-repeat type num body alts))
@@ -142,35 +142,35 @@ into a @code{MultiMeasureTextEvent}."
 
   (if (memq 'script-event (ly:music-property music 'types))
       (apply make-music 'MultiMeasureTextEvent
-	     (flatten-alist (ly:music-mutable-properties music)))
+             (flatten-alist (ly:music-mutable-properties music)))
       music))
 
 (define-ly-syntax (multi-measure-rest parser location duration articulations)
   (make-music 'MultiMeasureRestMusic
-	      'articulations (map script-to-mmrest-text articulations)
-	      'duration duration
-	      'origin location))
+              'articulations (map script-to-mmrest-text articulations)
+              'duration duration
+              'origin location))
 
 (define-ly-syntax (repetition-chord parser location duration articulations)
   (make-music 'EventChord
-	      'duration duration
-	      'elements articulations
-	      'origin location))
+              'duration duration
+              'elements articulations
+              'origin location))
 
 (define-ly-syntax-simple (context-specification type id ops create-new mus)
   (let* ((type-sym (if (symbol? type) type (string->symbol type)))
-	 (csm (context-spec-music mus type-sym id)))
+         (csm (context-spec-music mus type-sym id)))
     (set! (ly:music-property csm 'property-operations) ops)
     (if create-new (set! (ly:music-property csm 'create-new) #t))
     csm))
 
 (define-ly-syntax (composed-markup-list parser location commands markups)
-;; `markups' being a list of markups, eg (markup1 markup2 markup3),
-;; and `commands' a list of commands with their scheme arguments, in reverse order,
-;; eg: ((italic) (raise 4) (bold)), maps the commands on each markup argument, eg:
-;;  ((bold (raise 4 (italic markup1)))
-;;   (bold (raise 4 (italic markup2)))
-;;   (bold (raise 4 (italic markup3))))
+  ;; `markups' being a list of markups, eg (markup1 markup2 markup3),
+  ;; and `commands' a list of commands with their scheme arguments, in reverse order,
+  ;; eg: ((italic) (raise 4) (bold)), maps the commands on each markup argument, eg:
+  ;;  ((bold (raise 4 (italic markup1)))
+  ;;   (bold (raise 4 (italic markup2)))
+  ;;   (bold (raise 4 (italic markup3))))
 
   (define (compose arg)
     (fold
@@ -193,37 +193,37 @@ into a @code{MultiMeasureTextEvent}."
 
 (define-ly-syntax (property-operation parser location ctx music-type symbol . args)
   (let* ((props (case music-type
-		  ((PropertySet) (list 'value (car args)))
-		  ((PropertyUnset) '())
-		  ((OverrideProperty) (list 'grob-value (car args)
-					    'grob-property-path (if (list? (cadr args))
-								    (cadr args)
-								    (cdr args))
-					    'pop-first #t))
-		  ((RevertProperty)
-		   (if (list? (car args))
-		       (list 'grob-property-path (car args))
-		       (list 'grob-property-path args)))
-		  (else (ly:error (_ "Invalid property operation ~a") music-type))))
-	 (m (apply make-music music-type
-		   'symbol symbol
-		   'origin location
-		   props)))
+                  ((PropertySet) (list 'value (car args)))
+                  ((PropertyUnset) '())
+                  ((OverrideProperty) (list 'grob-value (car args)
+                                            'grob-property-path (if (list? (cadr args))
+                                                                    (cadr args)
+                                                                    (cdr args))
+                                            'pop-first #t))
+                  ((RevertProperty)
+                   (if (list? (car args))
+                       (list 'grob-property-path (car args))
+                       (list 'grob-property-path args)))
+                  (else (ly:error (_ "Invalid property operation ~a") music-type))))
+         (m (apply make-music music-type
+                   'symbol symbol
+                   'origin location
+                   props)))
     (make-music 'ContextSpeccedMusic
-		'element m
-		'context-type ctx
-		'origin location)))
+                'element m
+                'context-type ctx
+                'origin location)))
 
 ;; TODO: It seems that this function rarely returns anything useful.
 (define (get-first-context-id type mus)
   "Find the name of a ContextSpeccedMusic with given type"
   (let ((id (ly:music-property mus 'context-id)))
     (if (and (eq? (ly:music-property mus 'type) 'ContextSpeccedMusic)
-	     (eq? (ly:music-property mus 'context-type) type)
-	     (string? id)
-	     (not (string-null? id)))
-	id
-	'())))
+             (eq? (ly:music-property mus 'context-type) type)
+             (string? id)
+             (not (string-null? id)))
+        id
+        '())))
 
 (define unique-counter -1)
 (define (get-next-unique-voice-name)
@@ -238,34 +238,34 @@ into a @code{MultiMeasureTextEvent}."
   ;; to signal to the Extender_engraver that any pending extender should
   ;; be completed if the lyrics end before the associated voice.
   (append! (ly:music-property music 'elements)
-	   (list (make-music 'CompletizeExtenderEvent)))
+           (list (make-music 'CompletizeExtenderEvent)))
   (make-music 'LyricCombineMusic
-	      'element music
-	      'associated-context sync
-	      'origin loc))
+              'element music
+              'associated-context sync
+              'origin loc))
 
 (define-ly-syntax (lyric-combine parser location voice music)
   (lyric-combine-music voice music location))
 
 (define-ly-syntax (add-lyrics parser location music addlyrics-list)
   (let* ((existing-voice-name (get-first-context-id 'Voice music))
-	 (voice-name (if (string? existing-voice-name)
-			 existing-voice-name
-			 (get-next-unique-voice-name)))
-	 (voice (if (string? existing-voice-name)
-		    (music)
-		    (make-music 'ContextSpeccedMusic
-				'element music
-				'context-type 'Voice
-				'context-id voice-name
-				'origin (ly:music-property music 'origin))))
-	 (lyricstos (map (lambda (mus)
-			   (let* ((loc (ly:music-property mus 'origin))
-				  (lyr (lyric-combine-music voice-name mus loc)))
-			     (make-music 'ContextSpeccedMusic
-					 'create-new #t
-					 'context-type 'Lyrics
-					 'element lyr
-					 'origin loc)))
-			 addlyrics-list)))
+         (voice-name (if (string? existing-voice-name)
+                         existing-voice-name
+                         (get-next-unique-voice-name)))
+         (voice (if (string? existing-voice-name)
+                    (music)
+                    (make-music 'ContextSpeccedMusic
+                                'element music
+                                'context-type 'Voice
+                                'context-id voice-name
+                                'origin (ly:music-property music 'origin))))
+         (lyricstos (map (lambda (mus)
+                           (let* ((loc (ly:music-property mus 'origin))
+                                  (lyr (lyric-combine-music voice-name mus loc)))
+                             (make-music 'ContextSpeccedMusic
+                                         'create-new #t
+                                         'context-type 'Lyrics
+                                         'element lyr
+                                         'origin loc)))
+                         addlyrics-list)))
     (make-simultaneous-music (cons voice lyricstos))))
diff --git a/scm/markup-macros.scm b/scm/markup-macros.scm
index 07194407c5..72b107f846 100644
--- a/scm/markup-macros.scm
+++ b/scm/markup-macros.scm
@@ -147,7 +147,7 @@ command.  There is no protection against circular definitions.
                                         ((not (null? (cdr prop-spec)))
                                          `(list ',(car prop-spec) ,(cadr prop-spec)))
                                         (else
-                                          `(list ',(car prop-spec)))))
+                                         `(list ',(car prop-spec)))))
                                 (if (pair? args)
                                     properties
                                     (list)))))
@@ -197,7 +197,7 @@ interpreted, returns a list of stencils instead of a single one"
                                         ((not (null? (cdr prop-spec)))
                                          `(list ',(car prop-spec) ,(cadr prop-spec)))
                                         (else
-                                          `(list ',(car prop-spec)))))
+                                         `(list ',(car prop-spec)))))
                                 (if (pair? args)
                                     properties
                                     (list)))))
@@ -384,10 +384,10 @@ against SIGNATURE, reporting MAKE-NAME as the user-invoked function.
                       (set! args (cons `(list ,@(compile-all-markup-expressions (car rest))) args))
                       (set! rest (cdr rest)))
                      (else
-                       ;; pick up one arg in `rest'
-                       (receive (a r) (compile-markup-arg rest)
-                                (set! args (cons a args))
-                                (set! rest r))))))))
+                      ;; pick up one arg in `rest'
+                      (receive (a r) (compile-markup-arg rest)
+                               (set! args (cons a args))
+                               (set! rest r))))))))
         ((and (pair? expr)
               (pair? (car expr))
               (keyword? (caar expr)))
@@ -398,9 +398,9 @@ against SIGNATURE, reporting MAKE-NAME as the user-invoked function.
               (string? (car expr))) ;; expr === ("string" ...)
          (values `(make-simple-markup ,(car expr)) (cdr expr)))
         (else
-          ;; expr === (symbol ...) or ((funcall ...) ...)
-          (values (car expr)
-                  (cdr expr)))))
+         ;; expr === (symbol ...) or ((funcall ...) ...)
+         (values (car expr)
+                 (cdr expr)))))
 
 (define (compile-all-markup-args expr)
   "Transform `expr' into markup arguments"
diff --git a/scm/markup.scm b/scm/markup.scm
index 45652c0a5c..69a6ad13ff 100644
--- a/scm/markup.scm
+++ b/scm/markup.scm
@@ -72,72 +72,72 @@ following stencil.  Stencils with empty Y extent are not given
 ;;; convert a full markup object to an approximate pure string representation
 
 (define-public (markup->string m . argscopes)
-(let* ((scopes (if (pair? argscopes) (car argscopes) '())))
-  ;; markup commands with one markup argument, formatting ignored
-  (define markups-first-argument '(list
-                                   bold-markup box-markup caps-markup dynamic-markup finger-markup
-                                   fontCaps-markup huge-markup italic-markup large-markup larger-markup
-                                   medium-markup normal-size-sub-markup normal-size-super-markup
-                                   normal-text-markup normalsize-markup number-markup roman-markup
-                                   sans-markup simple-markup small-markup smallCaps-markup smaller-markup
-                                   sub-markup super-markup teeny-markup text-markup tiny-markup
-                                   typewriter-markup underline-markup upright-markup bracket-markup
-                                   circle-markup hbracket-markup parenthesize-markup rounded-box-markup
-
-                                   center-align-markup center-column-markup column-markup dir-column-markup
-                                   fill-line-markup justify-markup justify-string-markup left-align-markup
-                                   left-column-markup line-markup right-align-markup right-column-markup
-                                   vcenter-markup wordwrap-markup wordwrap-string-markup ))
-
-  ;; markup commands with markup as second argument, first argument
-  ;; specifies some formatting and is ignored
-  (define markups-second-argument '(list
-                                    abs-fontsize-markup fontsize-markup magnify-markup lower-markup
-                                    pad-around-markup pad-markup-markup pad-x-markup raise-markup
-                                    halign-markup hcenter-in-markup rotate-markup translate-markup
-                                    translate-scaled-markup with-url-markup scale-markup ))
-
-  ;; helper functions to handle string cons like string lists
-  (define (markup-cons->string-cons c scopes)
-    (if (not (pair? c)) (markup->string c scopes)
-        (cons (markup->string (car c) scopes) (markup-cons->string-cons (cdr c) scopes))))
-  (define (string-cons-join c)
-    (if (not (pair? c)) c
-        (string-join (list (car c) (string-cons-join (cdr c))) "")))
-
-  (cond
-   ((string? m) m)
-   ((null? m) "")
-   ((not (pair? m)) "")
-
-   ;; handle \concat (string-join without spaces)
-   ((and (pair? m) (equal? (car m) concat-markup))
-    (string-cons-join (markup-cons->string-cons (cadr m) scopes)) )
-
-   ;; markup functions with the markup as first arg
-   ((member (car m) (primitive-eval markups-first-argument))
-    (markup->string (cadr m) scopes))
-
-   ;; markup functions with markup as second arg
-   ((member (car m) (primitive-eval markups-second-argument))
-    (markup->string (cddr m) scopes))
-
-   ;; fromproperty-markup reads property values from the header block:
-   ((equal? (car m) fromproperty-markup)
-    (let* ((varname (symbol->string (cadr m)))
-           ;; cut off the header: prefix from the variable name:
-           (newvarname (if (string-prefix? "header:" varname) (substring varname 7) varname))
-           (var (string->symbol newvarname))
-           (mod (make-module 1)))
-      ;; Prevent loops by temporarily clearing the variable we have just looked up
-      (module-define! mod var "")
-      (markup->string (ly:modules-lookup scopes var) (cons mod scopes))))
-
-   ;; ignore all other markup functions
-   ((markup-function? (car m)) "")
-
-   ;; handle markup lists
-   ((list? m)
-    (string-join (map (lambda (mm) (markup->string mm scopes)) m) " "))
-
-   (else "ERROR, unable to extract string from markup"))))
+  (let* ((scopes (if (pair? argscopes) (car argscopes) '())))
+    ;; markup commands with one markup argument, formatting ignored
+    (define markups-first-argument '(list
+                                     bold-markup box-markup caps-markup dynamic-markup finger-markup
+                                     fontCaps-markup huge-markup italic-markup large-markup larger-markup
+                                     medium-markup normal-size-sub-markup normal-size-super-markup
+                                     normal-text-markup normalsize-markup number-markup roman-markup
+                                     sans-markup simple-markup small-markup smallCaps-markup smaller-markup
+                                     sub-markup super-markup teeny-markup text-markup tiny-markup
+                                     typewriter-markup underline-markup upright-markup bracket-markup
+                                     circle-markup hbracket-markup parenthesize-markup rounded-box-markup
+
+                                     center-align-markup center-column-markup column-markup dir-column-markup
+                                     fill-line-markup justify-markup justify-string-markup left-align-markup
+                                     left-column-markup line-markup right-align-markup right-column-markup
+                                     vcenter-markup wordwrap-markup wordwrap-string-markup ))
+
+    ;; markup commands with markup as second argument, first argument
+    ;; specifies some formatting and is ignored
+    (define markups-second-argument '(list
+                                      abs-fontsize-markup fontsize-markup magnify-markup lower-markup
+                                      pad-around-markup pad-markup-markup pad-x-markup raise-markup
+                                      halign-markup hcenter-in-markup rotate-markup translate-markup
+                                      translate-scaled-markup with-url-markup scale-markup ))
+
+    ;; helper functions to handle string cons like string lists
+    (define (markup-cons->string-cons c scopes)
+      (if (not (pair? c)) (markup->string c scopes)
+          (cons (markup->string (car c) scopes) (markup-cons->string-cons (cdr c) scopes))))
+    (define (string-cons-join c)
+      (if (not (pair? c)) c
+          (string-join (list (car c) (string-cons-join (cdr c))) "")))
+
+    (cond
+     ((string? m) m)
+     ((null? m) "")
+     ((not (pair? m)) "")
+
+     ;; handle \concat (string-join without spaces)
+     ((and (pair? m) (equal? (car m) concat-markup))
+      (string-cons-join (markup-cons->string-cons (cadr m) scopes)) )
+
+     ;; markup functions with the markup as first arg
+     ((member (car m) (primitive-eval markups-first-argument))
+      (markup->string (cadr m) scopes))
+
+     ;; markup functions with markup as second arg
+     ((member (car m) (primitive-eval markups-second-argument))
+      (markup->string (cddr m) scopes))
+
+     ;; fromproperty-markup reads property values from the header block:
+     ((equal? (car m) fromproperty-markup)
+      (let* ((varname (symbol->string (cadr m)))
+             ;; cut off the header: prefix from the variable name:
+             (newvarname (if (string-prefix? "header:" varname) (substring varname 7) varname))
+             (var (string->symbol newvarname))
+             (mod (make-module 1)))
+        ;; Prevent loops by temporarily clearing the variable we have just looked up
+        (module-define! mod var "")
+        (markup->string (ly:modules-lookup scopes var) (cons mod scopes))))
+
+     ;; ignore all other markup functions
+     ((markup-function? (car m)) "")
+
+     ;; handle markup lists
+     ((list? m)
+      (string-join (map (lambda (mm) (markup->string mm scopes)) m) " "))
+
+     (else "ERROR, unable to extract string from markup"))))
diff --git a/scm/memory-trace.scm b/scm/memory-trace.scm
index 345d1327f0..293aca61e4 100644
--- a/scm/memory-trace.scm
+++ b/scm/memory-trace.scm
@@ -2,7 +2,7 @@
 
 (define-module (scm memory-trace))
 (use-modules (lily)
-	     (ice-9 format))
+             (ice-9 format))
 
 (define-public (mtrace:start-trace freq)
   (set! usecond-interval (inexact->exact (/ 1000000 freq)))
@@ -26,41 +26,41 @@
 (define usecond-interval 100000)
 (define (arg-procedure args)
   (if (and (pair? args)
-	   (pair? (cdr args))
-	   (pair? (cadr args)))
+           (pair? (cdr args))
+           (pair? (cadr args)))
       (caadr args) #f))
 (define last-count 0)
 (define (record-stack key continuation . args)
   (if (eq? (current-thread) trace-thread)
       #t ;; do nothing.
       (let*
-	  ((cells (assoc-get 'total-cells-allocated (gc-stats)))
-	   (proc (arg-procedure args))
-	   (time (tms:utime (times)))
-	   (stack (extract-trace continuation)))
-	
-	(set! busy-tracing #t)
-	(trap-disable 'traps)
-	(trap-disable 'enter-frame)
-
-	(set! trace-count (1+ trace-count))
- 	(ly:progress "<~a: ~a/~a>\n"
-		     trace-count
-		     (- time start-time)
-		     (- cells last-count))
-
-	(set! last-count cells)
-	(set! trace-points
-	      (cons (list
-		     (cons 'cells cells)
-		     (cons 'proc proc)
-		     (cons 'stack stack)
-		     (cons 'time time)
-		     )
-		    
-		    trace-points))
-
-	(set! busy-tracing #f))))
+          ((cells (assoc-get 'total-cells-allocated (gc-stats)))
+           (proc (arg-procedure args))
+           (time (tms:utime (times)))
+           (stack (extract-trace continuation)))
+
+        (set! busy-tracing #t)
+        (trap-disable 'traps)
+        (trap-disable 'enter-frame)
+
+        (set! trace-count (1+ trace-count))
+        (ly:progress "<~a: ~a/~a>\n"
+                     trace-count
+                     (- time start-time)
+                     (- cells last-count))
+
+        (set! last-count cells)
+        (set! trace-points
+              (cons (list
+                     (cons 'cells cells)
+                     (cons 'proc proc)
+                     (cons 'stack stack)
+                     (cons 'time time)
+                     )
+
+                    trace-points))
+
+        (set! busy-tracing #f))))
 
 (define (start-install-tracepoint)
   (set! trace-thread (current-thread))
@@ -69,17 +69,17 @@
   (set! trace-count 0)
   (set! start-memory (assoc-get 'total-cells-allocated (gc-stats)))
   (set! start-time (tms:utime (times)))
-  
+
   (install-tracepoint))
 
 (define (install-tracepoint)
   (if busy-tracing
       (display "last trace not finished yet\n" (current-error-port))
       (begin
-	(trap-set! enter-frame-handler record-stack)
-	(trap-enable 'enter-frame)
-	(trap-enable 'traps)))
-  
+        (trap-set! enter-frame-handler record-stack)
+        (trap-enable 'enter-frame)
+        (trap-enable 'traps)))
+
   (usleep usecond-interval)
   (if continue-tracing
       (install-tracepoint)))
@@ -95,33 +95,33 @@
        )
 
     (ly:progress "Memory statistics to ~a and ~a..."
-		 stacks-name graph-name)
+                 stacks-name graph-name)
     (format graph-out "# memory trace with ~a points\n" (length trace-points))
     (for-each
      (lambda (r)
        (let*
-	   ((mem (- (assoc-get 'cells r) start-memory))
-	    (proc (assoc-get 'proc r))
-	    (stack (assoc-get 'stack r))
-	    (time (- (assoc-get 'time r) start-time)))
-	 
-	 (format graph-out "~a ~a\n" time mem)
-	 (if stack
-	     (begin
-	       (format stacks-out "~5a t = ~5a - delta-mem: ~15a - ~a\n" i
-		       time
-		       (- mem last-mem) proc)
-	       (do
-		   ((j 0 (1+ j))
-		    (stack (assoc-get 'stack r) stack))
-		   ((>= j (vector-length stack)))
-		 
-		 (format stacks-out "\t~a\n"
-			 (vector-ref stack j)))))
-	 
-	 (set! i (1+ i))
-	 (set! last-mem mem)
-	 ))
+           ((mem (- (assoc-get 'cells r) start-memory))
+            (proc (assoc-get 'proc r))
+            (stack (assoc-get 'stack r))
+            (time (- (assoc-get 'time r) start-time)))
+
+         (format graph-out "~a ~a\n" time mem)
+         (if stack
+             (begin
+               (format stacks-out "~5a t = ~5a - delta-mem: ~15a - ~a\n" i
+                       time
+                       (- mem last-mem) proc)
+               (do
+                   ((j 0 (1+ j))
+                    (stack (assoc-get 'stack r) stack))
+                   ((>= j (vector-length stack)))
+
+                 (format stacks-out "\t~a\n"
+                         (vector-ref stack j)))))
+
+         (set! i (1+ i))
+         (set! last-mem mem)
+         ))
      (reverse trace-points))))
 
 
@@ -140,20 +140,20 @@
        (trace (make-vector depth #f)))
 
     (do
-	((i 0 (1+ i)))
-	((>= i depth))
+        ((i 0 (1+ i)))
+        ((>= i depth))
 
       (vector-set!
        trace i
        (let*
-	   ((source (frame-source (stack-ref stack i))))
+           ((source (frame-source (stack-ref stack i))))
 
-	   (and source
-		(cons (source-property source 'filename)
-		      (source-property source 'line))))))
+         (and source
+              (cons (source-property source 'filename)
+                    (source-property source 'line))))))
 
     trace))
 
 
-       
-       
+
+
diff --git a/scm/midi.scm b/scm/midi.scm
index 4807992822..e673555d93 100644
--- a/scm/midi.scm
+++ b/scm/midi.scm
@@ -27,20 +27,20 @@
 (set! absolute-volume-alist
       (append
        '(
-	 ("sf" . 1.00)
-	 ("fffff" . 0.95)
-	 ("ffff" . 0.92)
-	 ("fff" . 0.85)
-	 ("ff" . 0.80)
-	 ("f" . 0.75)
-	 ("mf" . 0.68)
-	 ("mp" . 0.61)
-	 ("p" . 0.55)
-	 ("pp" . 0.49)
-	 ("ppp" . 0.42)
-	 ("pppp" . 0.34)
-	 ("ppppp" . 0.25)
-	 )
+         ("sf" . 1.00)
+         ("fffff" . 0.95)
+         ("ffff" . 0.92)
+         ("fff" . 0.85)
+         ("ff" . 0.80)
+         ("f" . 0.75)
+         ("mf" . 0.68)
+         ("mp" . 0.61)
+         ("p" . 0.55)
+         ("pp" . 0.49)
+         ("ppp" . 0.42)
+         ("pppp" . 0.34)
+         ("ppppp" . 0.25)
+         )
        absolute-volume-alist))
 
 (define-public (default-dynamic-absolute-volume s)
@@ -51,18 +51,18 @@
 (set! instrument-equalizer-alist
       (append
        '(
-	 ("flute" . (0 . 0.7))
-	 ("oboe" . (0 . 0.7))
-	 ("clarinet" . (0 . 0.7))
-	 ("bassoon" . (0 . 0.6))
-	 ("french horn" . (0.1 . 0.7))
-	 ("trumpet" . (0.1 . 0.8))
-	 ("timpani" . (0.2 . 0.9))
-	 ("violin" . (0.2 . 1.0))
-	 ("viola" . (0.1 . 0.7))
-	 ("cello" . (0.2 . 0.8))
-	 ("contrabass" . (0.2 . 0.8))
-	 )
+         ("flute" . (0 . 0.7))
+         ("oboe" . (0 . 0.7))
+         ("clarinet" . (0 . 0.7))
+         ("bassoon" . (0 . 0.6))
+         ("french horn" . (0.1 . 0.7))
+         ("trumpet" . (0.1 . 0.8))
+         ("timpani" . (0.2 . 0.9))
+         ("violin" . (0.2 . 1.0))
+         ("viola" . (0.1 . 0.7))
+         ("cello" . (0.2 . 0.8))
+         ("contrabass" . (0.2 . 0.8))
+         )
        instrument-equalizer-alist))
 
 (define-public (default-instrument-equalizer s)
@@ -73,192 +73,192 @@
 (set! instrument-names-alist
       (append
        `(
-	 ("acoustic grand" . ,(- 1 1))
-	 ("bright acoustic" . ,(- 2 1))
-	 ("electric grand" . ,(- 3 1))
-	 ("honky-tonk" . ,(- 4 1))
-	 ("electric piano 1" . ,(- 5 1))
-	 ("electric piano 2" . ,(- 6 1))
-	 ("harpsichord" . ,(- 7 1))
-	 ("clav" . ,(- 8 1))
-
-	 ;; (9-16 chrom percussion)
-	 ("celesta" . ,(- 9 1))
-	 ("glockenspiel" . ,(- 10 1))
-	 ("music box" . ,(- 11 1))
-	 ("vibraphone" . ,(- 12 1))
-	 ("marimba" . ,(- 13 1))
-	 ("xylophone" . ,(- 14 1))
-	 ("tubular bells" . ,(- 15 1))
-	 ("dulcimer" . ,(- 16 1))
-
-	 ;; (17-24 organ)
-	 ("drawbar organ" . ,(- 17 1))
-	 ("percussive organ" . ,(- 18 1))
-	 ("rock organ" . ,(- 19 1))
-	 ("church organ" . ,(- 20 1))
-	 ("reed organ" . ,(- 21 1))
-	 ("accordion" . ,(- 22 1))
-	 ("harmonica" . ,(- 23 1))
-	 ("concertina" . ,(- 24 1))
-
-	 ;; (25-32 guitar)
-	 ("acoustic guitar (nylon)" . ,(- 25 1))
-	 ("acoustic guitar (steel)" . ,(- 26 1))
-	 ("electric guitar (jazz)" . ,(- 27 1))
-	 ("electric guitar (clean)" . ,(- 28 1))
-	 ("electric guitar (muted)" . ,(- 29 1))
-	 ("overdriven guitar" . ,(- 30 1))
-	 ("distorted guitar" . ,(- 31 1))
-	 ("guitar harmonics" . ,(- 32 1))
-
-	 ;; (33-40 bass)
-	 ("acoustic bass" . ,(- 33 1))
-	 ("electric bass (finger)" . ,(- 34 1))
-	 ("electric bass (pick)" . ,(- 35 1))
-	 ("fretless bass" . ,(- 36 1))
-	 ("slap bass 1" . ,(- 37 1))
-	 ("slap bass 2" . ,(- 38 1))
-	 ("synth bass 1" . ,(- 39 1))
-	 ("synth bass 2" . ,(- 40 1))
-
-	 ;; (41-48 strings)
-	 ("violin" . ,(- 41 1))
-	 ("viola" . ,(- 42 1))
-	 ("cello" . ,(- 43 1))
-	 ("contrabass" . ,(- 44 1))
-	 ("tremolo strings" . ,(- 45 1))
-	 ("pizzicato strings" . ,(- 46 1))
-	 ("orchestral harp" . ,(- 47 1))
-	 ("timpani" . ,(- 48 1))
-
-	 ;; (49-56 ensemble)
-	 ("string ensemble 1" . ,(- 49 1))
-	 ("string ensemble 2" . ,(- 50 1))
-	 ("synthstrings 1" . ,(- 51 1))
-	 ("synthstrings 2" . ,(- 52 1))
-	 ("choir aahs" . ,(- 53 1))
-	 ("voice oohs" . ,(- 54 1))
-	 ("synth voice" . ,(- 55 1))
-	 ("orchestra hit" . ,(- 56 1))
-
-	 ;; (57-64 brass)
-	 ("trumpet" . ,(- 57 1))
-	 ("trombone" . ,(- 58 1))
-	 ("tuba" . ,(- 59 1))
-	 ("muted trumpet" . ,(- 60 1))
-	 ("french horn" . ,(- 61 1))
-	 ("brass section" . ,(- 62 1))
-	 ("synthbrass 1" . ,(- 63 1))
-	 ("synthbrass 2" . ,(- 64 1))
-
-	 ;; (65-72 reed)
-	 ("soprano sax" . ,(- 65 1))
-	 ("alto sax" . ,(- 66 1))
-	 ("tenor sax" . ,(- 67 1))
-	 ("baritone sax" . ,(- 68 1))
-	 ("oboe" . ,(- 69 1))
-	 ("english horn" . ,(- 70 1))
-	 ("bassoon" . ,(- 71 1))
-	 ("clarinet" . ,(- 72 1))
-
-	 ;; (73-80 pipe)
-	 ("piccolo" . ,(- 73 1))
-	 ("flute" . ,(- 74 1))
-	 ("recorder" . ,(- 75 1))
-	 ("pan flute" . ,(- 76 1))
-	 ("blown bottle" . ,(- 77 1))
-	 ("shakuhachi" . ,(- 78 1))
-	 ("whistle" . ,(- 79 1))
-	 ("ocarina" . ,(- 80 1))
-
-	 ;; (81-88 synth lead)
-	 ("lead 1 (square)" . ,(- 81 1))
-	 ("lead 2 (sawtooth)" . ,(- 82 1))
-	 ("lead 3 (calliope)" . ,(- 83 1))
-	 ("lead 4 (chiff)" . ,(- 84 1))
-	 ("lead 5 (charang)" . ,(- 85 1))
-	 ("lead 6 (voice)" . ,(- 86 1))
-	 ("lead 7 (fifths)" . ,(- 87 1))
-	 ("lead 8 (bass+lead)" . ,(- 88 1))
-
-	 ;; (89-96 synth pad)
-	 ("pad 1 (new age)" . ,(- 89 1))
-	 ("pad 2 (warm)" . ,(- 90 1))
-	 ("pad 3 (polysynth)" . ,(- 91 1))
-	 ("pad 4 (choir)" . ,(- 92 1))
-	 ("pad 5 (bowed)" . ,(- 93 1))
-	 ("pad 6 (metallic)" . ,(- 94 1))
-	 ("pad 7 (halo)" . ,(- 95 1))
-	 ("pad 8 (sweep)" . ,(- 96 1))
-
-	 ;; (97-104 synth effects)
-	 ("fx 1 (rain)" . ,(- 97 1))
-	 ("fx 2 (soundtrack)" . ,(- 98 1))
-	 ("fx 3 (crystal)" . ,(- 99 1))
-	 ("fx 4 (atmosphere)" . ,(- 100 1))
-	 ("fx 5 (brightness)" . ,(- 101 1))
-	 ("fx 6 (goblins)" . ,(- 102 1))
-	 ("fx 7 (echoes)" . ,(- 103 1))
-	 ("fx 8 (sci-fi)" . ,(- 104 1))
-
-	 ;; (105-112 ethnic)
-	 ("sitar" . ,(- 105 1))
-	 ("banjo" . ,(- 106 1))
-	 ("shamisen" . ,(- 107 1))
-	 ("koto" . ,(- 108 1))
-	 ("kalimba" . ,(- 109 1))
-	 ("bagpipe" . ,(- 110 1))
-	 ("fiddle" . ,(- 111 1))
-	 ("shanai" . ,(- 112 1))
-
-	 ;; (113-120 percussive)
-	 ("tinkle bell" . ,(- 113 1))
-	 ("agogo" . ,(- 114 1))
-	 ("steel drums" . ,(- 115 1))
-	 ("woodblock" . ,(- 116 1))
-	 ("taiko drum" . ,(- 117 1))
-	 ("melodic tom" . ,(- 118 1))
-	 ("synth drum" . ,(- 119 1))
-	 ("reverse cymbal" . ,(- 120 1))
-
-	 ;; (121-128 sound effects)
-	 ("guitar fret noise" . ,(- 121 1))
-	 ("breath noise" . ,(- 122 1))
-	 ("seashore" . ,(- 123 1))
-	 ("bird tweet" . ,(- 124 1))
-	 ("telephone ring" . ,(- 125 1))
-	 ("helicopter" . ,(- 126 1))
-	 ("applause" . ,(- 127 1))
-	 ("gunshot" . ,(- 128 1))
-
-	 ;; (channel 10 drum-kits - subtract 32768 to get program no.)
-	 ("standard kit" .     ,(+ 32768 0))
-	 ("standard drums" .   ,(+ 32768 0))
-	 ("drums" .            ,(+ 32768 0))
-	 ("room kit" .         ,(+ 32768 8))
-	 ("room drums" .       ,(+ 32768 8))
-	 ("power kit" .        ,(+ 32768 16))
-	 ("power drums" .      ,(+ 32768 16))
-	 ("rock drums" .       ,(+ 32768 16))
-	 ("electronic kit" .   ,(+ 32768 24))
-	 ("electronic drums" . ,(+ 32768 24))
-	 ("tr-808 kit" .       ,(+ 32768 25))
-	 ("tr-808 drums" .     ,(+ 32768 25))
-	 ("jazz kit" .         ,(+ 32768 32))
-	 ("jazz drums" .       ,(+ 32768 32))
-	 ("brush kit" .        ,(+ 32768 40))
-	 ("brush drums" .      ,(+ 32768 40))
-	 ("orchestra kit" .    ,(+ 32768 48))
-	 ("orchestra drums" .  ,(+ 32768 48))
-	 ("classical drums" .  ,(+ 32768 48))
-	 ("sfx kit" .          ,(+ 32768 56))
-	 ("sfx drums" .        ,(+ 32768 56))
-	 ("mt-32 kit" .        ,(+ 32768 127))
-	 ("mt-32 drums" .      ,(+ 32768 127))
-	 ("cm-64 kit" .        ,(+ 32768 127))
-	 ("cm-64 drums" .      ,(+ 32768 127))
-	 )
+         ("acoustic grand" . ,(- 1 1))
+         ("bright acoustic" . ,(- 2 1))
+         ("electric grand" . ,(- 3 1))
+         ("honky-tonk" . ,(- 4 1))
+         ("electric piano 1" . ,(- 5 1))
+         ("electric piano 2" . ,(- 6 1))
+         ("harpsichord" . ,(- 7 1))
+         ("clav" . ,(- 8 1))
+
+         ;; (9-16 chrom percussion)
+         ("celesta" . ,(- 9 1))
+         ("glockenspiel" . ,(- 10 1))
+         ("music box" . ,(- 11 1))
+         ("vibraphone" . ,(- 12 1))
+         ("marimba" . ,(- 13 1))
+         ("xylophone" . ,(- 14 1))
+         ("tubular bells" . ,(- 15 1))
+         ("dulcimer" . ,(- 16 1))
+
+         ;; (17-24 organ)
+         ("drawbar organ" . ,(- 17 1))
+         ("percussive organ" . ,(- 18 1))
+         ("rock organ" . ,(- 19 1))
+         ("church organ" . ,(- 20 1))
+         ("reed organ" . ,(- 21 1))
+         ("accordion" . ,(- 22 1))
+         ("harmonica" . ,(- 23 1))
+         ("concertina" . ,(- 24 1))
+
+         ;; (25-32 guitar)
+         ("acoustic guitar (nylon)" . ,(- 25 1))
+         ("acoustic guitar (steel)" . ,(- 26 1))
+         ("electric guitar (jazz)" . ,(- 27 1))
+         ("electric guitar (clean)" . ,(- 28 1))
+         ("electric guitar (muted)" . ,(- 29 1))
+         ("overdriven guitar" . ,(- 30 1))
+         ("distorted guitar" . ,(- 31 1))
+         ("guitar harmonics" . ,(- 32 1))
+
+         ;; (33-40 bass)
+         ("acoustic bass" . ,(- 33 1))
+         ("electric bass (finger)" . ,(- 34 1))
+         ("electric bass (pick)" . ,(- 35 1))
+         ("fretless bass" . ,(- 36 1))
+         ("slap bass 1" . ,(- 37 1))
+         ("slap bass 2" . ,(- 38 1))
+         ("synth bass 1" . ,(- 39 1))
+         ("synth bass 2" . ,(- 40 1))
+
+         ;; (41-48 strings)
+         ("violin" . ,(- 41 1))
+         ("viola" . ,(- 42 1))
+         ("cello" . ,(- 43 1))
+         ("contrabass" . ,(- 44 1))
+         ("tremolo strings" . ,(- 45 1))
+         ("pizzicato strings" . ,(- 46 1))
+         ("orchestral harp" . ,(- 47 1))
+         ("timpani" . ,(- 48 1))
+
+         ;; (49-56 ensemble)
+         ("string ensemble 1" . ,(- 49 1))
+         ("string ensemble 2" . ,(- 50 1))
+         ("synthstrings 1" . ,(- 51 1))
+         ("synthstrings 2" . ,(- 52 1))
+         ("choir aahs" . ,(- 53 1))
+         ("voice oohs" . ,(- 54 1))
+         ("synth voice" . ,(- 55 1))
+         ("orchestra hit" . ,(- 56 1))
+
+         ;; (57-64 brass)
+         ("trumpet" . ,(- 57 1))
+         ("trombone" . ,(- 58 1))
+         ("tuba" . ,(- 59 1))
+         ("muted trumpet" . ,(- 60 1))
+         ("french horn" . ,(- 61 1))
+         ("brass section" . ,(- 62 1))
+         ("synthbrass 1" . ,(- 63 1))
+         ("synthbrass 2" . ,(- 64 1))
+
+         ;; (65-72 reed)
+         ("soprano sax" . ,(- 65 1))
+         ("alto sax" . ,(- 66 1))
+         ("tenor sax" . ,(- 67 1))
+         ("baritone sax" . ,(- 68 1))
+         ("oboe" . ,(- 69 1))
+         ("english horn" . ,(- 70 1))
+         ("bassoon" . ,(- 71 1))
+         ("clarinet" . ,(- 72 1))
+
+         ;; (73-80 pipe)
+         ("piccolo" . ,(- 73 1))
+         ("flute" . ,(- 74 1))
+         ("recorder" . ,(- 75 1))
+         ("pan flute" . ,(- 76 1))
+         ("blown bottle" . ,(- 77 1))
+         ("shakuhachi" . ,(- 78 1))
+         ("whistle" . ,(- 79 1))
+         ("ocarina" . ,(- 80 1))
+
+         ;; (81-88 synth lead)
+         ("lead 1 (square)" . ,(- 81 1))
+         ("lead 2 (sawtooth)" . ,(- 82 1))
+         ("lead 3 (calliope)" . ,(- 83 1))
+         ("lead 4 (chiff)" . ,(- 84 1))
+         ("lead 5 (charang)" . ,(- 85 1))
+         ("lead 6 (voice)" . ,(- 86 1))
+         ("lead 7 (fifths)" . ,(- 87 1))
+         ("lead 8 (bass+lead)" . ,(- 88 1))
+
+         ;; (89-96 synth pad)
+         ("pad 1 (new age)" . ,(- 89 1))
+         ("pad 2 (warm)" . ,(- 90 1))
+         ("pad 3 (polysynth)" . ,(- 91 1))
+         ("pad 4 (choir)" . ,(- 92 1))
+         ("pad 5 (bowed)" . ,(- 93 1))
+         ("pad 6 (metallic)" . ,(- 94 1))
+         ("pad 7 (halo)" . ,(- 95 1))
+         ("pad 8 (sweep)" . ,(- 96 1))
+
+         ;; (97-104 synth effects)
+         ("fx 1 (rain)" . ,(- 97 1))
+         ("fx 2 (soundtrack)" . ,(- 98 1))
+         ("fx 3 (crystal)" . ,(- 99 1))
+         ("fx 4 (atmosphere)" . ,(- 100 1))
+         ("fx 5 (brightness)" . ,(- 101 1))
+         ("fx 6 (goblins)" . ,(- 102 1))
+         ("fx 7 (echoes)" . ,(- 103 1))
+         ("fx 8 (sci-fi)" . ,(- 104 1))
+
+         ;; (105-112 ethnic)
+         ("sitar" . ,(- 105 1))
+         ("banjo" . ,(- 106 1))
+         ("shamisen" . ,(- 107 1))
+         ("koto" . ,(- 108 1))
+         ("kalimba" . ,(- 109 1))
+         ("bagpipe" . ,(- 110 1))
+         ("fiddle" . ,(- 111 1))
+         ("shanai" . ,(- 112 1))
+
+         ;; (113-120 percussive)
+         ("tinkle bell" . ,(- 113 1))
+         ("agogo" . ,(- 114 1))
+         ("steel drums" . ,(- 115 1))
+         ("woodblock" . ,(- 116 1))
+         ("taiko drum" . ,(- 117 1))
+         ("melodic tom" . ,(- 118 1))
+         ("synth drum" . ,(- 119 1))
+         ("reverse cymbal" . ,(- 120 1))
+
+         ;; (121-128 sound effects)
+         ("guitar fret noise" . ,(- 121 1))
+         ("breath noise" . ,(- 122 1))
+         ("seashore" . ,(- 123 1))
+         ("bird tweet" . ,(- 124 1))
+         ("telephone ring" . ,(- 125 1))
+         ("helicopter" . ,(- 126 1))
+         ("applause" . ,(- 127 1))
+         ("gunshot" . ,(- 128 1))
+
+         ;; (channel 10 drum-kits - subtract 32768 to get program no.)
+         ("standard kit" .     ,(+ 32768 0))
+         ("standard drums" .   ,(+ 32768 0))
+         ("drums" .            ,(+ 32768 0))
+         ("room kit" .         ,(+ 32768 8))
+         ("room drums" .       ,(+ 32768 8))
+         ("power kit" .        ,(+ 32768 16))
+         ("power drums" .      ,(+ 32768 16))
+         ("rock drums" .       ,(+ 32768 16))
+         ("electronic kit" .   ,(+ 32768 24))
+         ("electronic drums" . ,(+ 32768 24))
+         ("tr-808 kit" .       ,(+ 32768 25))
+         ("tr-808 drums" .     ,(+ 32768 25))
+         ("jazz kit" .         ,(+ 32768 32))
+         ("jazz drums" .       ,(+ 32768 32))
+         ("brush kit" .        ,(+ 32768 40))
+         ("brush drums" .      ,(+ 32768 40))
+         ("orchestra kit" .    ,(+ 32768 48))
+         ("orchestra drums" .  ,(+ 32768 48))
+         ("classical drums" .  ,(+ 32768 48))
+         ("sfx kit" .          ,(+ 32768 56))
+         ("sfx drums" .        ,(+ 32768 56))
+         ("mt-32 kit" .        ,(+ 32768 127))
+         ("mt-32 drums" .      ,(+ 32768 127))
+         ("cm-64 kit" .        ,(+ 32768 127))
+         ("cm-64 drums" .      ,(+ 32768 127))
+         )
        instrument-names-alist))
 
 (define-public (percussion? instrument)
@@ -275,7 +275,7 @@
          (entry (assoc-get inst instrument-names-alist)))
     (if entry
         (modulo entry 32768)
-	#f)))
+        #f)))
 
 ;; 90 == 90/127 == 0.71 is supposed to be the default value
 ;; urg: we should set this at start of track
@@ -293,14 +293,14 @@
 (define-public (write-performances-midis performances basename . rest)
   (let ((midi-ext (ly:get-option 'midi-extension)))
     (let
-	loop
+        loop
       ((perfs performances)
        (count (if (null? rest) 0 (car rest))))
       (if (pair? perfs)
-	  (begin
-	    (ly:performance-write
-	     (car perfs)
-	     (if (> count 0)
-		 (format #f "~a-~a.~a" basename count midi-ext)
-		 (format #f "~a.~a" basename midi-ext)))
-	    (loop (cdr perfs) (1+ count)))))))
+          (begin
+            (ly:performance-write
+             (car perfs)
+             (if (> count 0)
+                 (format #f "~a-~a.~a" basename count midi-ext)
+                 (format #f "~a.~a" basename midi-ext)))
+            (loop (cdr perfs) (1+ count)))))))
diff --git a/scm/modal-transforms.scm b/scm/modal-transforms.scm
index 9617329d77..3db3904726 100644
--- a/scm/modal-transforms.scm
+++ b/scm/modal-transforms.scm
@@ -48,11 +48,11 @@ pitches as members of a scale.
 
      (else
       (list-ref scale
-		(modulo
-		 (+ (index pitch scale)
-		    (- (index to-pitch scale)
-		       (index from-pitch scale)))
-		 (length scale)))))))
+                (modulo
+                 (+ (index pitch scale)
+                    (- (index to-pitch scale)
+                       (index from-pitch scale)))
+                 (length scale)))))))
 
 (define (inverter-factory scale)
   "Returns an inverter for the specified @var{scale}.
@@ -81,11 +81,11 @@ arbitrary items and pitches as members of a scale.
 
      (else
       (list-ref scale
-		(modulo
-		 (+ (index to-pitch scale)
-		    (- (index around-pitch scale)
-		       (index pitch scale)))
-		 (length scale)))))))
+                (modulo
+                 (+ (index to-pitch scale)
+                    (- (index around-pitch scale)
+                       (index pitch scale)))
+                 (length scale)))))))
 
 (define (replicate-modify lis n mod-proc)
   "Apply @code{(mod-proc lis n)} to each element of a list and
@@ -112,8 +112,8 @@ a single pitch as its argument and return a new pitch.  These are
 LilyPond scheme pitches, e.g. @code{(ly:make-pitch 0 2 0)}
 "
   (let ((elements (ly:music-property music 'elements))
-	(element (ly:music-property music 'element))
-	(pitch (ly:music-property music 'pitch)))
+        (element (ly:music-property music 'element))
+        (pitch (ly:music-property music 'pitch)))
 
     (cond
      ((ly:pitch? pitch)
@@ -135,8 +135,8 @@ Typically used to construct a scale for input to transposer-factory
 "
 
   (let ((elements (ly:music-property music 'elements))
-	(element (ly:music-property music 'element))
-	(pitch (ly:music-property music 'pitch)))
+        (element (ly:music-property music 'element))
+        (pitch (ly:music-property music 'pitch)))
 
     (cond
      ((ly:pitch? pitch)
@@ -159,10 +159,10 @@ Typically used to construct a scale for input to transposer-factory
     (lambda (lis n)
       (map
        (lambda (i)
-	 (ly:make-pitch
-	  (+ (- n 6) (ly:pitch-octave i))
-	  (ly:pitch-notename i)
-	  (ly:pitch-alteration i)))
+         (ly:make-pitch
+          (+ (- n 6) (ly:pitch-octave i))
+          (ly:pitch-notename i)
+          (ly:pitch-alteration i)))
        lis)))
 
   (let ((scale (make-scale music)))
@@ -215,11 +215,11 @@ Typically used to construct a scale for input to transposer-factory
 and transposes from @var{around} to @var{to}."
   (let ((p (ly:music-property music 'pitch)))
     (if (ly:pitch? p)
-	(ly:music-set-property!
-	 music 'pitch
-	 (ly:pitch-transpose to (ly:pitch-diff around p))))
+        (ly:music-set-property!
+         music 'pitch
+         (ly:pitch-transpose to (ly:pitch-diff around p))))
     music))
 
 (define-public (music-invert around to music)
   "Applies pitch-invert to all pitches in @var{music}."
-     (music-map (lambda (x) (pitch-invert around to x)) music))
+  (music-map (lambda (x) (pitch-invert around to x)) music))
diff --git a/scm/music-functions.scm b/scm/music-functions.scm
index 95d4c80f3c..5e07229a37 100644
--- a/scm/music-functions.scm
+++ b/scm/music-functions.scm
@@ -28,7 +28,7 @@
 ;;;   ==> set the 'elements property and return it
 (define-public ly:music-property
   (make-procedure-with-setter ly:music-property
-			      ly:music-set-property!))
+                              ly:music-set-property!))
 
 (define-safe-public (music-is-of-type? mus type)
   "Does @code{mus} belong to the music class @code{type}?"
@@ -37,23 +37,23 @@
 ;; TODO move this
 (define-public ly:grob-property
   (make-procedure-with-setter ly:grob-property
-			      ly:grob-set-property!))
+                              ly:grob-set-property!))
 
 (define-public ly:grob-object
   (make-procedure-with-setter ly:grob-object
-			      ly:grob-set-object!))
+                              ly:grob-set-object!))
 
 (define-public ly:grob-parent
   (make-procedure-with-setter ly:grob-parent
-			      ly:grob-set-parent!))
+                              ly:grob-set-parent!))
 
 (define-public ly:prob-property
   (make-procedure-with-setter ly:prob-property
-			      ly:prob-set-property!))
+                              ly:prob-set-property!))
 
 (define-public ly:context-property
   (make-procedure-with-setter ly:context-property
-			      ly:context-set-property!))
+                              ly:context-set-property!))
 
 (define-public (music-map function music)
   "Apply @var{function} to @var{music} and all of the music it contains.
@@ -61,13 +61,13 @@
 First it recurses over the children, then the function is applied to
 @var{music}."
   (let ((es (ly:music-property music 'elements))
-	(e (ly:music-property music 'element)))
+        (e (ly:music-property music 'element)))
     (if (pair? es)
-	(set! (ly:music-property music 'elements)
-	      (map (lambda (y) (music-map function y)) es)))
+        (set! (ly:music-property music 'elements)
+              (map (lambda (y) (music-map function y)) es)))
     (if (ly:music? e)
-	(set! (ly:music-property music 'element)
-	      (music-map function  e)))
+        (set! (ly:music-property music 'element)
+              (music-map function  e)))
     (function music)))
 
 (define-public (music-filter pred? music)
@@ -76,31 +76,31 @@ First it recurses over the children, then the function is applied to
   (define (inner-music-filter pred? music)
     "Recursive function."
     (let* ((es (ly:music-property music 'elements))
-	   (e (ly:music-property music 'element))
-	   (as (ly:music-property music 'articulations))
-	   (filtered-as (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) as)))
-	   (filtered-e (if (ly:music? e)
-			   (inner-music-filter pred? e)
-			   e))
-	   (filtered-es (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) es))))
+           (e (ly:music-property music 'element))
+           (as (ly:music-property music 'articulations))
+           (filtered-as (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) as)))
+           (filtered-e (if (ly:music? e)
+                           (inner-music-filter pred? e)
+                           e))
+           (filtered-es (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) es))))
       (if (not (null? e))
-	  (set! (ly:music-property music 'element) filtered-e))
+          (set! (ly:music-property music 'element) filtered-e))
       (if (not (null? es))
-	  (set! (ly:music-property music 'elements) filtered-es))
+          (set! (ly:music-property music 'elements) filtered-es))
       (if (not (null? as))
-	  (set! (ly:music-property music 'articulations) filtered-as))
+          (set! (ly:music-property music 'articulations) filtered-as))
       ;; if filtering emptied the expression, we remove it completely.
       (if (or (not (pred? music))
-	      (and (eq? filtered-es '()) (not (ly:music? e))
-		   (or (not (eq? es '()))
-		       (ly:music? e))))
-	  (set! music '()))
+              (and (eq? filtered-es '()) (not (ly:music? e))
+                   (or (not (eq? es '()))
+                       (ly:music? e))))
+          (set! music '()))
       music))
 
   (set! music (inner-music-filter pred? music))
   (if (ly:music? music)
       music
-      (make-music 'Music)))	  ;must return music.
+      (make-music 'Music)))       ;must return music.
 
 (define*-public (display-music music #:optional (port (current-output-port)))
   "Display music, not done with @code{music-map} for clarity of
@@ -108,16 +108,16 @@ presentation."
   (display music port)
   (display ": { " port)
   (let ((es (ly:music-property music 'elements))
-	(e (ly:music-property music 'element)))
+        (e (ly:music-property music 'element)))
     (display (ly:music-mutable-properties music) port)
     (if (pair? es)
-	(begin (display "\nElements: {\n" port)
-	       (for-each (lambda (m) (display-music m port)) es)
-	       (display "}\n" port)))
+        (begin (display "\nElements: {\n" port)
+               (for-each (lambda (m) (display-music m port)) es)
+               (display "}\n" port)))
     (if (ly:music? e)
-	(begin
-	  (display "\nChild:" port)
-	  (display-music e port))))
+        (begin
+          (display "\nChild:" port)
+          (display-music e port))))
   (display " }\n" port)
   music)
 
@@ -134,20 +134,20 @@ For instance,
     "Return a keyword, eg. `#:bold', from the `proc' function, eg. #<procedure bold-markup (layout props arg)>"
     (let ((cmd-markup (symbol->string (procedure-name proc))))
       (symbol->keyword (string->symbol (substring cmd-markup 0 (- (string-length cmd-markup)
-								  (string-length "-markup")))))))
+                                                                  (string-length "-markup")))))))
   (define (transform-arg arg)
     (cond ((and (pair? arg) (markup? (car arg))) ;; a markup list
-	   (apply append (map inner-markup->make-markup arg)))
-	  ((and (not (string? arg)) (markup? arg)) ;; a markup
-	   (inner-markup->make-markup arg))
-	  (else					 ;; scheme arg
-	   (music->make-music arg))))
+           (apply append (map inner-markup->make-markup arg)))
+          ((and (not (string? arg)) (markup? arg)) ;; a markup
+           (inner-markup->make-markup arg))
+          (else                                  ;; scheme arg
+           (music->make-music arg))))
   (define (inner-markup->make-markup mrkup)
     (if (string? mrkup)
-	`(#:simple ,mrkup)
-	(let ((cmd (proc->command-keyword (car mrkup)))
-	      (args (map transform-arg (cdr mrkup))))
-	  `(,cmd ,@args))))
+        `(#:simple ,mrkup)
+        (let ((cmd (proc->command-keyword (car mrkup)))
+              (args (map transform-arg (cdr mrkup))))
+          `(,cmd ,@args))))
   ;; body:
   (if (string? markup-expression)
       markup-expression
@@ -158,52 +158,52 @@ For instance,
 equivalent to @var{obj}, that is, for a music expression, a
 @code{(make-music ...)} form."
   (cond (;; markup expression
-	 (markup? obj)
-	 (markup-expression->make-markup obj))
-	(;; music expression
-	 (ly:music? obj)
-	 `(make-music
-	   ',(ly:music-property obj 'name)
-	   ,@(apply append (map (lambda (prop)
+         (markup? obj)
+         (markup-expression->make-markup obj))
+        (;; music expression
+         (ly:music? obj)
+         `(make-music
+           ',(ly:music-property obj 'name)
+           ,@(apply append (map (lambda (prop)
                                   `(',(car prop)
-				    ,(music->make-music (cdr prop))))
+                                    ,(music->make-music (cdr prop))))
                                 (remove (lambda (prop)
                                           (eqv? (car prop) 'origin))
                                         (ly:music-mutable-properties obj))))))
-	(;; moment
-	 (ly:moment? obj)
-	 `(ly:make-moment ,(ly:moment-main-numerator obj)
-			  ,(ly:moment-main-denominator obj)
-			  ,(ly:moment-grace-numerator obj)
-			  ,(ly:moment-grace-denominator obj)))
-	(;; note duration
-	 (ly:duration? obj)
-	 `(ly:make-duration ,(ly:duration-log obj)
-			    ,(ly:duration-dot-count obj)
-			    ,(ly:duration-scale obj)))
-	(;; note pitch
-	 (ly:pitch? obj)
-	 `(ly:make-pitch ,(ly:pitch-octave obj)
-			 ,(ly:pitch-notename obj)
-			 ,(ly:pitch-alteration obj)))
-	(;; scheme procedure
-	 (procedure? obj)
-	 (or (procedure-name obj) obj))
-	(;; a symbol (avoid having an unquoted symbol)
-	 (symbol? obj)
-	 `',obj)
-	(;; an empty list (avoid having an unquoted empty list)
-	 (null? obj)
-	 `'())
-	(;; a proper list
-	 (list? obj)
-	 `(list ,@(map music->make-music obj)))
-	(;; a pair
-	 (pair? obj)
-	 `(cons ,(music->make-music (car obj))
-		,(music->make-music (cdr obj))))
-	(else
-	 obj)))
+        (;; moment
+         (ly:moment? obj)
+         `(ly:make-moment ,(ly:moment-main-numerator obj)
+                          ,(ly:moment-main-denominator obj)
+                          ,(ly:moment-grace-numerator obj)
+                          ,(ly:moment-grace-denominator obj)))
+        (;; note duration
+         (ly:duration? obj)
+         `(ly:make-duration ,(ly:duration-log obj)
+                            ,(ly:duration-dot-count obj)
+                            ,(ly:duration-scale obj)))
+        (;; note pitch
+         (ly:pitch? obj)
+         `(ly:make-pitch ,(ly:pitch-octave obj)
+                         ,(ly:pitch-notename obj)
+                         ,(ly:pitch-alteration obj)))
+        (;; scheme procedure
+         (procedure? obj)
+         (or (procedure-name obj) obj))
+        (;; a symbol (avoid having an unquoted symbol)
+         (symbol? obj)
+         `',obj)
+        (;; an empty list (avoid having an unquoted empty list)
+         (null? obj)
+         `'())
+        (;; a proper list
+         (list? obj)
+         `(list ,@(map music->make-music obj)))
+        (;; a pair
+         (pair? obj)
+         `(cons ,(music->make-music (car obj))
+                ,(music->make-music (cdr obj))))
+        (else
+         obj)))
 
 (use-modules (ice-9 pretty-print))
 (define*-public (display-scheme-music obj #:optional (port (current-output-port)))
@@ -219,14 +219,14 @@ which often can be read back in order to generate an equivalent expression."
              (scm display-lily))
 
 (define*-public (display-lily-music expr parser #:optional (port (current-output-port))
-				    #:key force-duration)
+                                    #:key force-duration)
   "Display the music expression using LilyPond syntax"
   (memoize-clef-names supported-clefs)
   (parameterize ((*indent* 0)
-		 (*previous-duration* (ly:make-duration 2))
-		 (*force-duration* force-duration))
-    (display (music->lily-string expr parser) port)
-    (newline port)))
+                 (*previous-duration* (ly:make-duration 2))
+                 (*force-duration* force-duration))
+                (display (music->lily-string expr parser) port)
+                (newline port)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
@@ -236,17 +236,17 @@ which often can be read back in order to generate an equivalent expression."
 The number of dots in the shifted music may not be less than zero."
   (let ((d (ly:music-property music 'duration)))
     (if (ly:duration? d)
-	(let* ((cp (ly:duration-scale d))
-	       (nd (ly:make-duration
+        (let* ((cp (ly:duration-scale d))
+               (nd (ly:make-duration
                     (+ shift (ly:duration-log d))
                     (max 0 (+ dot (ly:duration-dot-count d)))
-		    cp)))
-	  (set! (ly:music-property music 'duration) nd)))
+                    cp)))
+          (set! (ly:music-property music 'duration) nd)))
     music))
 
 (define-public (shift-duration-log music shift dot)
   (music-map (lambda (x) (shift-one-duration-log x shift dot))
-	     music))
+             music))
 
 (define-public (make-repeat name times main alts)
   "Create a repeat music expression, with all properties initialized
@@ -257,55 +257,55 @@ through MUSIC."
     ;; NoteEvent or a non-expanded chord-repetition
     ;; We just take anything that actually sports an announced duration.
     (if (ly:duration? (ly:music-property music 'duration))
-	(ly:music-property music 'duration)
-	(let loop ((elts (if (ly:music? (ly:music-property music 'element))
-			     (list (ly:music-property music 'element))
-			     (ly:music-property music 'elements))))
-	  (and (pair? elts)
-	       (let ((dur (first-note-duration (car elts))))
-		 (if (ly:duration? dur)
-		     dur
-		     (loop (cdr elts))))))))
+        (ly:music-property music 'duration)
+        (let loop ((elts (if (ly:music? (ly:music-property music 'element))
+                             (list (ly:music-property music 'element))
+                             (ly:music-property music 'elements))))
+          (and (pair? elts)
+               (let ((dur (first-note-duration (car elts))))
+                 (if (ly:duration? dur)
+                     dur
+                     (loop (cdr elts))))))))
 
   (let ((talts (if (< times (length alts))
-		   (begin
-		     (ly:warning (_ "More alternatives than repeats.  Junking excess alternatives"))
-		     (take alts times))
-		   alts))
-	(r (make-repeated-music name)))
+                   (begin
+                     (ly:warning (_ "More alternatives than repeats.  Junking excess alternatives"))
+                     (take alts times))
+                   alts))
+        (r (make-repeated-music name)))
     (set! (ly:music-property r 'element) main)
     (set! (ly:music-property r 'repeat-count) (max times 1))
     (set! (ly:music-property r 'elements) talts)
     (if (and (equal? name "tremolo")
-	     (pair? (extract-named-music main '(EventChord NoteEvent))))
-	;; This works for single-note and multi-note tremolos!
-	(let* ((children (if (music-is-of-type? main 'sequential-music)
-			     ;; \repeat tremolo n { ... }
-			     (length (extract-named-music main '(EventChord
-								 NoteEvent)))
-			     ;; \repeat tremolo n c4
-			     1))
-	       ;; # of dots is equal to the 1 in bitwise representation (minus 1)!
-	       (dots (1- (logcount (* times children))))
-	       ;; The remaining missing multiplicator to scale the notes by
-	       ;; times * children
-	       (mult (/ (* times children (ash 1 dots)) (1- (ash 2 dots))))
-	       (shift (- (ly:intlog2 (floor mult))))
-	       (note-duration (first-note-duration r))
-	       (duration-log (if (ly:duration? note-duration)
-				 (ly:duration-log note-duration)
-				 1))
-	       (tremolo-type (ash 1 duration-log)))
-	  (set! (ly:music-property r 'tremolo-type) tremolo-type)
-	  (if (not (and (integer? mult) (= (logcount mult) 1)))
-	      (ly:music-warning
-	       main
-	       (ly:format (_ "invalid tremolo repeat count: ~a") times)))
-	  ;; Adjust the time of the notes
-	  (ly:music-compress r (ly:make-moment 1 children))
-	  ;; Adjust the displayed note durations
-	  (shift-duration-log r shift dots))
-	r)))
+             (pair? (extract-named-music main '(EventChord NoteEvent))))
+        ;; This works for single-note and multi-note tremolos!
+        (let* ((children (if (music-is-of-type? main 'sequential-music)
+                             ;; \repeat tremolo n { ... }
+                             (length (extract-named-music main '(EventChord
+                                                                 NoteEvent)))
+                             ;; \repeat tremolo n c4
+                             1))
+               ;; # of dots is equal to the 1 in bitwise representation (minus 1)!
+               (dots (1- (logcount (* times children))))
+               ;; The remaining missing multiplicator to scale the notes by
+               ;; times * children
+               (mult (/ (* times children (ash 1 dots)) (1- (ash 2 dots))))
+               (shift (- (ly:intlog2 (floor mult))))
+               (note-duration (first-note-duration r))
+               (duration-log (if (ly:duration? note-duration)
+                                 (ly:duration-log note-duration)
+                                 1))
+               (tremolo-type (ash 1 duration-log)))
+          (set! (ly:music-property r 'tremolo-type) tremolo-type)
+          (if (not (and (integer? mult) (= (logcount mult) 1)))
+              (ly:music-warning
+               main
+               (ly:format (_ "invalid tremolo repeat count: ~a") times)))
+          ;; Adjust the time of the notes
+          (ly:music-compress r (ly:make-moment 1 children))
+          ;; Adjust the displayed note durations
+          (shift-duration-log r shift dots))
+        r)))
 
 (define (calc-repeat-slash-count music)
   "Given the child-list @var{music} in @code{PercentRepeatMusic},
@@ -313,13 +313,13 @@ calculate the number of slashes based on the durations.  Returns @code{0}
 if durations in @var{music} vary, allowing slash beats and double-percent
 beats to be distinguished."
   (let* ((durs (map duration-of-note
-		    (extract-named-music music '(EventChord NoteEvent
-						 RestEvent SkipEvent))))
-	 (first-dur (car durs)))
+                    (extract-named-music music '(EventChord NoteEvent
+                                                            RestEvent SkipEvent))))
+         (first-dur (car durs)))
 
     (if (every (lambda (d) (equal? d first-dur)) durs)
-	(max (- (ly:duration-log first-dur) 2) 1)
-	0)))
+        (max (- (ly:duration-log first-dur) 2) 1)
+        0)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; clusters.
@@ -328,8 +328,8 @@ beats to be distinguished."
   "Replace @code{NoteEvents} by @code{ClusterNoteEvents}."
   (if (eq? (ly:music-property music 'name) 'NoteEvent)
       (make-music 'ClusterNoteEvent
-		  'pitch (ly:music-property music 'pitch)
-		  'duration (ly:music-property music 'duration))
+                  'pitch (ly:music-property music 'pitch)
+                  'duration (ly:music-property music 'duration))
       music))
 
 (define-public (notes-to-clusters music)
@@ -342,44 +342,44 @@ beats to be distinguished."
   "Replace all repeats with unfolded repeats."
 
   (let ((es (ly:music-property music 'elements))
-	(e (ly:music-property music 'element)))
+        (e (ly:music-property music 'element)))
 
     (if (music-is-of-type? music 'repeated-music)
-	(let* ((props (ly:music-mutable-properties music))
-	       (old-name (ly:music-property music 'name))
-	       (flattened (flatten-alist props)))
-	  (set! music (apply make-music (cons 'UnfoldedRepeatedMusic
-					      flattened)))
-
-	  (if (and (equal? old-name 'TremoloRepeatedMusic)
-		   (pair? (extract-named-music e '(EventChord NoteEvent))))
-	      ;; This works for single-note and multi-note tremolos!
-	      (let* ((children (if (music-is-of-type? e 'sequential-music)
-				   ;; \repeat tremolo n { ... }
-				   (length (extract-named-music e '(EventChord
-								       NoteEvent)))
-				   ;; \repeat tremolo n c4
-				   1))
-		     (times (ly:music-property music 'repeat-count))
-
-		     ;; # of dots is equal to the 1 in bitwise representation (minus 1)!
-		     (dots (1- (logcount (* times children))))
-		     ;; The remaining missing multiplicator to scale the notes by
-		     ;; times * children
-		     (mult (/ (* times children (ash 1 dots)) (1- (ash 2 dots))))
-		     (shift (- (ly:intlog2 (floor mult)))))
-
-		;; Adjust the time of the notes
-		(ly:music-compress music (ly:make-moment children 1))
-		;; Adjust the displayed note durations
-		(shift-duration-log music (- shift) (- dots))))))
+        (let* ((props (ly:music-mutable-properties music))
+               (old-name (ly:music-property music 'name))
+               (flattened (flatten-alist props)))
+          (set! music (apply make-music (cons 'UnfoldedRepeatedMusic
+                                              flattened)))
+
+          (if (and (equal? old-name 'TremoloRepeatedMusic)
+                   (pair? (extract-named-music e '(EventChord NoteEvent))))
+              ;; This works for single-note and multi-note tremolos!
+              (let* ((children (if (music-is-of-type? e 'sequential-music)
+                                   ;; \repeat tremolo n { ... }
+                                   (length (extract-named-music e '(EventChord
+                                                                    NoteEvent)))
+                                   ;; \repeat tremolo n c4
+                                   1))
+                     (times (ly:music-property music 'repeat-count))
+
+                     ;; # of dots is equal to the 1 in bitwise representation (minus 1)!
+                     (dots (1- (logcount (* times children))))
+                     ;; The remaining missing multiplicator to scale the notes by
+                     ;; times * children
+                     (mult (/ (* times children (ash 1 dots)) (1- (ash 2 dots))))
+                     (shift (- (ly:intlog2 (floor mult)))))
+
+                ;; Adjust the time of the notes
+                (ly:music-compress music (ly:make-moment children 1))
+                ;; Adjust the displayed note durations
+                (shift-duration-log music (- shift) (- dots))))))
 
     (if (pair? es)
-	(set! (ly:music-property music 'elements)
-	      (map unfold-repeats es)))
+        (set! (ly:music-property music 'elements)
+              (map unfold-repeats es)))
     (if (ly:music? e)
-	(set! (ly:music-property music 'element)
-	      (unfold-repeats e)))
+        (set! (ly:music-property music 'element)
+              (unfold-repeats e)))
     music))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -465,24 +465,24 @@ respectively."
   "Make a @code{Music} expression that sets @var{gprop} to @var{val} in
 @var{grob}.  Does a pop first, i.e., this is not an override."
   (make-music 'OverrideProperty
-	      'symbol grob
-	      'grob-property gprop
-	      'grob-value val
-	      'pop-first #t))
+              'symbol grob
+              'grob-property gprop
+              'grob-value val
+              'pop-first #t))
 
 (define-public (make-grob-property-override grob gprop val)
   "Make a @code{Music} expression that overrides @var{gprop} to @var{val}
 in @var{grob}."
   (make-music 'OverrideProperty
-	      'symbol grob
-	      'grob-property gprop
-	      'grob-value val))
+              'symbol grob
+              'grob-property gprop
+              'grob-value val))
 
 (define-public (make-grob-property-revert grob gprop)
   "Revert the grob property @var{gprop} for @var{grob}."
   (make-music 'RevertProperty
-	      'symbol grob
-	      'grob-property gprop))
+              'symbol grob
+              'grob-property gprop))
 
 (define direction-polyphonic-grobs
   '(AccidentalSuggestion
@@ -507,25 +507,25 @@ in @var{grob}."
   (make-sequential-music
    (append
     (map (lambda (x) (make-grob-property-set x 'direction
-						  (if (odd? n) -1 1)))
-	 direction-polyphonic-grobs)
+                                             (if (odd? n) -1 1)))
+         direction-polyphonic-grobs)
     (list
      (make-property-set 'graceSettings
-			;; TODO: take this from voicedGraceSettings or similar.
-			'((Voice Stem font-size -3)
-			  (Voice Flag font-size -3)
-			  (Voice NoteHead font-size -3)
-			  (Voice TabNoteHead font-size -4)
-			  (Voice Dots font-size -3)
-			  (Voice Stem length-fraction 0.8)
-			  (Voice Stem no-stem-extend #t)
-			  (Voice Beam beam-thickness 0.384)
-			  (Voice Beam length-fraction 0.8)
-			  (Voice Accidental font-size -4)
-			  (Voice AccidentalCautionary font-size -4)
-			  (Voice Script font-size -3)
-			  (Voice Fingering font-size -8)
-			  (Voice StringNumber font-size -8)))
+                        ;; TODO: take this from voicedGraceSettings or similar.
+                        '((Voice Stem font-size -3)
+                          (Voice Flag font-size -3)
+                          (Voice NoteHead font-size -3)
+                          (Voice TabNoteHead font-size -4)
+                          (Voice Dots font-size -3)
+                          (Voice Stem length-fraction 0.8)
+                          (Voice Stem no-stem-extend #t)
+                          (Voice Beam beam-thickness 0.384)
+                          (Voice Beam length-fraction 0.8)
+                          (Voice Accidental font-size -4)
+                          (Voice AccidentalCautionary font-size -4)
+                          (Voice Script font-size -3)
+                          (Voice Fingering font-size -8)
+                          (Voice StringNumber font-size -8)))
 
      (make-grob-property-set 'NoteColumn 'horizontal-shift (quotient n 2))))))
 
@@ -534,25 +534,25 @@ in @var{grob}."
   (make-sequential-music
    (append
     (map (lambda (x) (make-grob-property-override x 'direction
-						  (if (odd? n) -1 1)))
-	 direction-polyphonic-grobs)
+                                                  (if (odd? n) -1 1)))
+         direction-polyphonic-grobs)
     (list
      (make-property-set 'graceSettings
-			;; TODO: take this from voicedGraceSettings or similar.
-			'((Voice Stem font-size -3)
-			  (Voice Flag font-size -3)
-			  (Voice NoteHead font-size -3)
-			  (Voice TabNoteHead font-size -4)
-			  (Voice Dots font-size -3)
-			  (Voice Stem length-fraction 0.8)
-			  (Voice Stem no-stem-extend #t)
-			  (Voice Beam beam-thickness 0.384)
-			  (Voice Beam length-fraction 0.8)
-			  (Voice Accidental font-size -4)
-			  (Voice AccidentalCautionary font-size -4)
-			  (Voice Script font-size -3)
-			  (Voice Fingering font-size -8)
-			  (Voice StringNumber font-size -8)))
+                        ;; TODO: take this from voicedGraceSettings or similar.
+                        '((Voice Stem font-size -3)
+                          (Voice Flag font-size -3)
+                          (Voice NoteHead font-size -3)
+                          (Voice TabNoteHead font-size -4)
+                          (Voice Dots font-size -3)
+                          (Voice Stem length-fraction 0.8)
+                          (Voice Stem no-stem-extend #t)
+                          (Voice Beam beam-thickness 0.384)
+                          (Voice Beam length-fraction 0.8)
+                          (Voice Accidental font-size -4)
+                          (Voice AccidentalCautionary font-size -4)
+                          (Voice Script font-size -3)
+                          (Voice Fingering font-size -8)
+                          (Voice StringNumber font-size -8)))
 
      (make-grob-property-override 'NoteColumn 'horizontal-shift (quotient n 2))
      (make-grob-property-override 'MultiMeasureRest 'staff-position (if (odd? n) -4 4))))))
@@ -561,19 +561,19 @@ in @var{grob}."
   (make-sequential-music
    (append
     (map (lambda (x) (make-grob-property-revert x 'direction))
-	 direction-polyphonic-grobs)
+         direction-polyphonic-grobs)
     (list (make-property-unset 'graceSettings)
-	  (make-grob-property-revert 'NoteColumn 'horizontal-shift)
-	  (make-grob-property-revert 'MultiMeasureRest 'staff-position)))))
+          (make-grob-property-revert 'NoteColumn 'horizontal-shift)
+          (make-grob-property-revert 'MultiMeasureRest 'staff-position)))))
 
 
 (define-safe-public (context-spec-music m context #:optional id)
   "Add \\context CONTEXT = ID to M."
   (let ((cm (make-music 'ContextSpeccedMusic
-			'element m
-			'context-type context)))
+                        'element m
+                        'context-type context)))
     (if (string? id)
-	(set! (ly:music-property cm 'context-id) id))
+        (set! (ly:music-property cm 'context-id) id))
     cm))
 
 (define-public (descend-to-context m context)
@@ -584,82 +584,82 @@ in @var{grob}."
 
 (define-public (make-non-relative-music mus)
   (make-music 'UnrelativableMusic
-	      'element mus))
+              'element mus))
 
 (define-public (make-apply-context func)
   (make-music 'ApplyContext
-	      'procedure func))
+              'procedure func))
 
 (define-public (make-sequential-music elts)
   (make-music 'SequentialMusic
-	      'elements elts))
+              'elements elts))
 
 (define-public (make-simultaneous-music elts)
   (make-music 'SimultaneousMusic
-	      'elements elts))
+              'elements elts))
 
 (define-safe-public (make-event-chord elts)
   (make-music 'EventChord
-	      'elements elts))
+              'elements elts))
 
 (define-public (make-skip-music dur)
   (make-music 'SkipMusic
-	      'duration dur))
+              'duration dur))
 
 (define-public (make-grace-music music)
   (make-music 'GraceMusic
-	      'element music))
+              'element music))
 
 ;;;;;;;;;;;;;;;;
 
 ;; mmrest
 (define-public (make-multi-measure-rest duration location)
   (make-music 'MultiMeasureRestMusic
-	      'origin location
-	      'duration duration))
+              'origin location
+              'duration duration))
 
 (define-public (make-property-set sym val)
   (make-music 'PropertySet
-	      'symbol sym
-	      'value val))
+              'symbol sym
+              'value val))
 
 (define-public (make-property-unset sym)
   (make-music 'PropertyUnset
-	      'symbol sym))
+              'symbol sym))
 
 (define-safe-public (make-articulation name)
   (make-music 'ArticulationEvent
-	      'articulation-type name))
+              'articulation-type name))
 
 (define-public (make-lyric-event string duration)
   (make-music 'LyricEvent
-	      'duration duration
-	      'text string))
+              'duration duration
+              'text string))
 
 (define-safe-public (make-span-event type span-dir)
   (make-music type
-	      'span-direction span-dir))
+              'span-direction span-dir))
 
 (define-public (override-head-style heads style)
   "Override style for @var{heads} to @var{style}."
   (make-sequential-music
-    (if (pair? heads)
-        (map (lambda (h)
+   (if (pair? heads)
+       (map (lambda (h)
               (make-grob-property-override h 'style style))
-         heads)
-        (list (make-grob-property-override heads 'style style)))))
+            heads)
+       (list (make-grob-property-override heads 'style style)))))
 
 (define-public (revert-head-style heads)
   "Revert style for @var{heads}."
   (make-sequential-music
-    (if (pair? heads)
-        (map (lambda (h)
+   (if (pair? heads)
+       (map (lambda (h)
               (make-grob-property-revert h 'style))
-         heads)
-        (list (make-grob-property-revert heads 'style)))))
+            heads)
+       (list (make-grob-property-revert heads 'style)))))
 
 (define-public (style-note-heads heads style music)
- "Set @var{style} for all @var{heads} in @var{music}.  Works both
+  "Set @var{style} for all @var{heads} in @var{music}.  Works both
 inside of and outside of chord construct."
   ;; are we inside a <...>?
   (if (eq? (ly:music-property music 'name) 'NoteEvent)
@@ -670,17 +670,17 @@ inside of and outside of chord construct."
         music)
       ;; not in <...>, so use overrides
       (make-sequential-music
-        (list
-          (override-head-style heads style)
-          music
-          (revert-head-style heads)))))
+       (list
+        (override-head-style heads style)
+        music
+        (revert-head-style heads)))))
 
- (define-public (set-mus-properties! m alist)
+(define-public (set-mus-properties! m alist)
   "Set all of @var{alist} as properties of @var{m}."
   (if (pair? alist)
       (begin
-	(set! (ly:music-property m (caar alist)) (cdar alist))
-	(set-mus-properties! m (cdr alist)))))
+        (set! (ly:music-property m (caar alist)) (cdar alist))
+        (set-mus-properties! m (cdr alist)))))
 
 (define-public (music-separator? m)
   "Is @var{m} a separator?"
@@ -689,7 +689,7 @@ inside of and outside of chord construct."
 
 ;;; expanding repeat chords
 (define-public (copy-repeat-chord original-chord repeat-chord duration
-				  event-types)
+                                  event-types)
   "Copies all events in @var{event-types} (be sure to include
 @code{rhythmic-events}) from @var{original-chord} over to
 @var{repeat-chord} with their articulations filtered as well.  Any
@@ -701,47 +701,47 @@ duration is replaced with the specified @var{duration}."
 
   (define (keep-element? m)
     (any (lambda (t) (music-is-of-type? m t))
-	 event-types))
+         event-types))
   (define origin (ly:music-property repeat-chord 'origin #f))
   (define (set-origin! l)
     (if origin
-	(for-each (lambda (m) (set! (ly:music-property m 'origin) origin)) l))
+        (for-each (lambda (m) (set! (ly:music-property m 'origin) origin)) l))
     l)
 
   (for-each
    (lambda (field)
      (for-each (lambda (e)
-		 (for-each (lambda (x)
-			     (set! event-types (delq x event-types)))
-			   (ly:music-property e 'types)))
-	       (ly:music-property repeat-chord field)))
+                 (for-each (lambda (x)
+                             (set! event-types (delq x event-types)))
+                           (ly:music-property e 'types)))
+               (ly:music-property repeat-chord field)))
    '(elements articulations))
 
   ;; now treat the elements
   (set! (ly:music-property repeat-chord 'elements)
-	(let ((elts
-	       (set-origin! (ly:music-deep-copy
-			     (filter keep-element?
-				     (ly:music-property original-chord
-							'elements))))))
-	  (for-each
-	   (lambda (m)
-	     (let ((arts (ly:music-property m 'articulations)))
-	       (if (pair? arts)
-		   (set! (ly:music-property m 'articulations)
-			 (set-origin! (filter! keep-element? arts))))
-	       (if (ly:duration? (ly:music-property m 'duration))
-		   (set! (ly:music-property m 'duration) duration))))
-	   elts)
-	  (append! elts (ly:music-property repeat-chord 'elements))))
+        (let ((elts
+               (set-origin! (ly:music-deep-copy
+                             (filter keep-element?
+                                     (ly:music-property original-chord
+                                                        'elements))))))
+          (for-each
+           (lambda (m)
+             (let ((arts (ly:music-property m 'articulations)))
+               (if (pair? arts)
+                   (set! (ly:music-property m 'articulations)
+                         (set-origin! (filter! keep-element? arts))))
+               (if (ly:duration? (ly:music-property m 'duration))
+                   (set! (ly:music-property m 'duration) duration))))
+           elts)
+          (append! elts (ly:music-property repeat-chord 'elements))))
   (let ((arts (filter keep-element?
-		      (ly:music-property original-chord
-					 'articulations))))
+                      (ly:music-property original-chord
+                                         'articulations))))
     (if (pair? arts)
-	(set! (ly:music-property repeat-chord 'articulations)
-	      (append!
-	       (set-origin! (ly:music-deep-copy arts))
-	       (ly:music-property repeat-chord 'articulations))))))
+        (set! (ly:music-property repeat-chord 'articulations)
+              (append!
+               (set-origin! (ly:music-deep-copy arts))
+               (ly:music-property repeat-chord 'articulations))))))
 
 
 (define-public (expand-repeat-chords! event-types music)
@@ -750,24 +750,24 @@ having a duration in @code{duration}) with the notes from their
 respective predecessor chord."
   (let loop ((music music) (last-chord #f))
     (if (music-is-of-type? music 'event-chord)
-	(let ((chord-repeat (ly:music-property music 'duration)))
-	  (cond
-	   ((not (ly:duration? chord-repeat))
-	    (if (any (lambda (m) (ly:duration?
-				  (ly:music-property m 'duration)))
-		     (ly:music-property music 'elements))
-		music
-		last-chord))
-	   (last-chord
-	    (set! (ly:music-property music 'duration) '())
-	    (copy-repeat-chord last-chord music chord-repeat event-types)
-	    music)
-	   (else
-	    (ly:music-warning music (_ "Bad chord repetition"))
-	    #f)))
-	(let ((elt (ly:music-property music 'element)))
-	  (fold loop (if (ly:music? elt) (loop elt last-chord) last-chord)
-		(ly:music-property music 'elements)))))
+        (let ((chord-repeat (ly:music-property music 'duration)))
+          (cond
+           ((not (ly:duration? chord-repeat))
+            (if (any (lambda (m) (ly:duration?
+                                  (ly:music-property m 'duration)))
+                     (ly:music-property music 'elements))
+                music
+                last-chord))
+           (last-chord
+            (set! (ly:music-property music 'duration) '())
+            (copy-repeat-chord last-chord music chord-repeat event-types)
+            music)
+           (else
+            (ly:music-warning music (_ "Bad chord repetition"))
+            #f)))
+        (let ((elt (ly:music-property music 'element)))
+          (fold loop (if (ly:music? elt) (loop elt last-chord) last-chord)
+                (ly:music-property music 'elements)))))
   music)
 
 ;;; splitting chords into voices.
@@ -782,17 +782,17 @@ NUMBER is 0-base, i.e., Voice=1 (upstems) has number 0.
   (if (null? lst)
       '()
       (cons (context-spec-music
-	     (make-sequential-music
-	      (list (make-voice-props-set number)
-		    (make-simultaneous-music (car lst))))
-	     'Bottom  (number->string (1+ number)))
-	    (voicify-list (cdr lst) (1+ number)))))
+             (make-sequential-music
+              (list (make-voice-props-set number)
+                    (make-simultaneous-music (car lst))))
+             'Bottom  (number->string (1+ number)))
+            (voicify-list (cdr lst) (1+ number)))))
 
 (define (voicify-chord ch)
   "Split the parts of a chord into different Voices using separator"
   (let ((es (ly:music-property ch 'elements)))
     (set! (ly:music-property  ch 'elements)
-	  (voicify-list (split-list-by-separator es music-separator?) 0))
+          (voicify-list (split-list-by-separator es music-separator?) 0))
     ch))
 
 (define-public (voicify-music m)
@@ -800,15 +800,15 @@ NUMBER is 0-base, i.e., Voice=1 (upstems) has number 0.
   (if (not (ly:music? m))
       (ly:error (_ "music expected: ~S") m))
   (let ((es (ly:music-property m 'elements))
-	(e (ly:music-property m 'element)))
+        (e (ly:music-property m 'element)))
 
     (if (pair? es)
-	(set! (ly:music-property m 'elements) (map voicify-music es)))
+        (set! (ly:music-property m 'elements) (map voicify-music es)))
     (if (ly:music? e)
-	(set! (ly:music-property m 'element)  (voicify-music e)))
+        (set! (ly:music-property m 'element)  (voicify-music e)))
     (if (and (equal? (ly:music-property m 'name) 'SimultaneousMusic)
-	     (any music-separator? es))
-	(set! m (context-spec-music (voicify-chord m) 'Staff)))
+             (any music-separator? es))
+        (set! m (context-spec-music (voicify-chord m) 'Staff)))
     m))
 
 (define-public (empty-music)
@@ -829,7 +829,7 @@ NUMBER is 0-base, i.e., Voice=1 (upstems) has number 0.
 @code{\\applyoutput #(set-output-property 'Clef 'extra-offset '(0 . 1))}"
   (let ((meta (ly:grob-property grob 'meta)))
     (if (equal? (assoc-get 'name meta) grob-name)
-	(set! (ly:grob-property grob symbol) val))))
+        (set! (ly:grob-property grob symbol) val))))
 
 
 (define-public (skip->rest mus)
@@ -837,8 +837,8 @@ NUMBER is 0-base, i.e., Voice=1 (upstems) has number 0.
 @code{SkipEvent}.  Useful for extracting parts from crowded scores."
 
   (if  (memq (ly:music-property mus 'name) '(SkipEvent SkipMusic))
-   (make-music 'RestEvent 'duration (ly:music-property mus 'duration))
-   mus))
+       (make-music 'RestEvent 'duration (ly:music-property mus 'duration))
+       mus))
 
 
 (define-public (music-has-type music type)
@@ -899,7 +899,7 @@ actually fully cloned."
 (define (vector-extend v x)
   "Make a new vector consisting of V, with X added to the end."
   (let* ((n (vector-length v))
-	 (nv (make-vector (+ n 1) '())))
+         (nv (make-vector (+ n 1) '())))
     (vector-move-left! v 0 n nv 0)
     (vector-set! nv n x)
     nv))
@@ -921,9 +921,9 @@ actually fully cloned."
   "Set @var{sym}=@var{val} for @var{grob} in @var{context-name}."
   (define (set-prop context)
     (let* ((where (ly:context-property-where-defined context 'graceSettings))
-	   (current (ly:context-property where 'graceSettings))
-	   (new-settings (append current
-				 (list (list context-name grob sym val)))))
+           (current (ly:context-property where 'graceSettings))
+           (new-settings (append current
+                                 (list (list context-name grob sym val)))))
       (ly:context-set-property! where 'graceSettings new-settings)))
   (context-spec-music (make-apply-context set-prop) 'Voice))
 
@@ -935,14 +935,14 @@ actually fully cloned."
          (eq? (caddr property) sym)))
   (define (delete-prop context)
     (let* ((where (ly:context-property-where-defined context 'graceSettings))
-	   (current (ly:context-property where 'graceSettings))
+           (current (ly:context-property where 'graceSettings))
            (prop-settings (filter
-                            (lambda(x) (sym-grob-context? x sym grob context-name))
-                            current))
-	   (new-settings current))
+                           (lambda(x) (sym-grob-context? x sym grob context-name))
+                           current))
+           (new-settings current))
       (for-each (lambda(x)
-                 (set! new-settings (delete x new-settings)))
-               prop-settings)
+                  (set! new-settings (delete x new-settings)))
+                prop-settings)
       (ly:context-set-property! where 'graceSettings new-settings)))
   (context-spec-music (make-apply-context delete-prop) 'Voice))
 
@@ -953,11 +953,11 @@ actually fully cloned."
   `(define-music-function (parser location music) (ly:music?)
      ,@docstring
      (make-music 'GraceMusic
-		 'origin location
-		 'element (make-music 'SequentialMusic
-				      'elements (list (ly:music-deep-copy ,start)
-						      music
-						      (ly:music-deep-copy ,stop))))))
+                 'origin location
+                 'element (make-music 'SequentialMusic
+                                      'elements (list (ly:music-deep-copy ,start)
+                                                      music
+                                                      (ly:music-deep-copy ,stop))))))
 
 (defmacro-public define-syntax-function (type args signature . body)
   "Helper macro for `ly:make-music-function'.
@@ -982,23 +982,23 @@ predicates, to be used in case of a type error in arguments or
 result."
 
   (set! signature (map (lambda (pred)
-			 (if (pair? pred)
-			     `(cons ,(car pred)
-				    ,(and (pair? (cdr pred)) (cadr pred)))
-			     pred))
-		       (cons type signature)))
+                         (if (pair? pred)
+                             `(cons ,(car pred)
+                                    ,(and (pair? (cdr pred)) (cadr pred)))
+                             pred))
+                       (cons type signature)))
   (if (and (pair? body) (pair? (car body)) (eqv? '_i (caar body)))
       ;; When the music function definition contains a i10n doc string,
       ;; (_i "doc string"), keep the literal string only
       (let ((docstring (cadar body))
-	    (body (cdr body)))
-	`(ly:make-music-function (list ,@signature)
-				 (lambda ,args
-				   ,docstring
-				   ,@body)))
+            (body (cdr body)))
+        `(ly:make-music-function (list ,@signature)
+                                 (lambda ,args
+                                   ,docstring
+                                   ,@body)))
       `(ly:make-music-function (list ,@signature)
-			       (lambda ,args
-				 ,@body))))
+                               (lambda ,args
+                                 ,@body))))
 
 (defmacro-public define-music-function rest
   "Defining macro returning music functions.
@@ -1086,57 +1086,57 @@ set to the @code{location} parameter."
 
   (if (vector? (ly:music-property quote-music 'quoted-events))
       (let* ((dir (ly:music-property quote-music 'quoted-voice-direction))
-	     (clef (ly:music-property quote-music 'quoted-music-clef #f))
-	     (main-voice (case dir ((1) 1) ((-1) 0) (else #f)))
-	     (cue-voice (and main-voice (- 1 main-voice)))
-	     (main-music (ly:music-property quote-music 'element))
-	     (return-value quote-music))
-
-	(if main-voice
-	    (set! (ly:music-property quote-music 'element)
-		  (make-sequential-music
-		   (list
-		    (make-voice-props-override main-voice)
-		    main-music
-		    (make-voice-props-revert)))))
-
-	;; if we have stem dirs, change both quoted and main music
-	;; to have opposite stems.
-
-	;; cannot context-spec Quote-music, since context
-	;; for the quotes is determined in the iterator.
-
-	(make-sequential-music
-	 (delq! #f
-		(list
-		 (and clef (make-cue-clef-set clef))
-
-		 ;; Need to establish CueVoice context even in #CENTER case
-		 (context-spec-music
-		  (if cue-voice
-		      (make-voice-props-override cue-voice)
-		      (make-music 'Music))
-		  'CueVoice "cue")
-		 quote-music
-		 (and cue-voice
-		      (context-spec-music
-		       (make-voice-props-revert) 'CueVoice "cue"))
-		 (and clef (make-cue-clef-unset))))))
+             (clef (ly:music-property quote-music 'quoted-music-clef #f))
+             (main-voice (case dir ((1) 1) ((-1) 0) (else #f)))
+             (cue-voice (and main-voice (- 1 main-voice)))
+             (main-music (ly:music-property quote-music 'element))
+             (return-value quote-music))
+
+        (if main-voice
+            (set! (ly:music-property quote-music 'element)
+                  (make-sequential-music
+                   (list
+                    (make-voice-props-override main-voice)
+                    main-music
+                    (make-voice-props-revert)))))
+
+        ;; if we have stem dirs, change both quoted and main music
+        ;; to have opposite stems.
+
+        ;; cannot context-spec Quote-music, since context
+        ;; for the quotes is determined in the iterator.
+
+        (make-sequential-music
+         (delq! #f
+                (list
+                 (and clef (make-cue-clef-set clef))
+
+                 ;; Need to establish CueVoice context even in #CENTER case
+                 (context-spec-music
+                  (if cue-voice
+                      (make-voice-props-override cue-voice)
+                      (make-music 'Music))
+                  'CueVoice "cue")
+                 quote-music
+                 (and cue-voice
+                      (context-spec-music
+                       (make-voice-props-revert) 'CueVoice "cue"))
+                 (and clef (make-cue-clef-unset))))))
       quote-music))
 
 (define-public ((quote-substitute quote-tab) music)
   (let* ((quoted-name (ly:music-property music 'quoted-music-name))
-	 (quoted-vector (and (string? quoted-name)
-			     (hash-ref quote-tab quoted-name #f))))
+         (quoted-vector (and (string? quoted-name)
+                             (hash-ref quote-tab quoted-name #f))))
 
 
     (if (string? quoted-name)
-	(if (vector? quoted-vector)
-	    (begin
-	      (set! (ly:music-property music 'quoted-events) quoted-vector)
-	      (set! (ly:music-property music 'iterator-ctor)
-		    ly:quote-iterator::constructor))
-	    (ly:music-warning music (ly:format (_ "cannot find quoted music: `~S'") quoted-name))))
+        (if (vector? quoted-vector)
+            (begin
+              (set! (ly:music-property music 'quoted-events) quoted-vector)
+              (set! (ly:music-property music 'iterator-ctor)
+                    ly:quote-iterator::constructor))
+            (ly:music-warning music (ly:format (_ "cannot find quoted music: `~S'") quoted-name))))
     music))
 
 
@@ -1154,8 +1154,8 @@ set to the @code{location} parameter."
   (define found #f)
   (define (signal m)
     (if (and (ly:music? m)
-	     (eq? (ly:music-property m 'error-found) #t))
-	(set! found #t)))
+             (eq? (ly:music-property m 'error-found) #t))
+        (set! found #t)))
 
   (for-each signal (ly:music-property music 'elements))
   (signal (ly:music-property music 'element))
@@ -1166,27 +1166,27 @@ set to the @code{location} parameter."
 
 (define (precompute-music-length music)
   (set! (ly:music-property music 'length)
-	(ly:music-length music))
+        (ly:music-length music))
   music)
 
 (define-public (make-duration-of-length moment)
- "Make duration of the given @code{moment} length."
- (ly:make-duration 0 0
-  (ly:moment-main-numerator moment)
-  (ly:moment-main-denominator moment)))
+  "Make duration of the given @code{moment} length."
+  (ly:make-duration 0 0
+                    (ly:moment-main-numerator moment)
+                    (ly:moment-main-denominator moment)))
 
 (define (make-skipped moment bool)
- "Depending on BOOL, set or unset skipTypesetting,
+  "Depending on BOOL, set or unset skipTypesetting,
 then make SkipMusic of the given MOMENT length, and
 then revert skipTypesetting."
- (make-sequential-music
-  (list
-   (context-spec-music (make-property-set 'skipTypesetting bool)
-    'Score)
-   (make-music 'SkipMusic 'duration
-    (make-duration-of-length moment))
-   (context-spec-music (make-property-set 'skipTypesetting (not bool))
-    'Score))))
+  (make-sequential-music
+   (list
+    (context-spec-music (make-property-set 'skipTypesetting bool)
+                        'Score)
+    (make-music 'SkipMusic 'duration
+                (make-duration-of-length moment))
+    (context-spec-music (make-property-set 'skipTypesetting (not bool))
+                        'Score))))
 
 (define (skip-as-needed music parser)
   "Replace MUSIC by
@@ -1204,9 +1204,9 @@ then revert skipTypesetting."
       ((show-last (ly:parser-lookup parser 'showLastLength))
        (show-first (ly:parser-lookup parser 'showFirstLength))
        (show-last-length (and (ly:music? show-last)
-			      (ly:music-length show-last)))
+                              (ly:music-length show-last)))
        (show-first-length (and (ly:music? show-first)
-			       (ly:music-length show-first)))
+                               (ly:music-length show-first)))
        (orig-length (ly:music-length music)))
 
     ;;FIXME: if using either showFirst- or showLastLength,
@@ -1253,9 +1253,9 @@ then revert skipTypesetting."
 (define-public toplevel-music-functions
   (list
    (lambda (music parser) (expand-repeat-chords!
-			   (cons 'rhythmic-event
-				 (ly:parser-lookup parser '$chord-repeat-events))
-			   music))
+                           (cons 'rhythmic-event
+                                 (ly:parser-lookup parser '$chord-repeat-events))
+                           music))
    (lambda (music parser) (voicify-music music))
    (lambda (x parser) (music-map music-check-error x))
    (lambda (x parser) (music-map precompute-music-length x))
@@ -1268,7 +1268,7 @@ then revert skipTypesetting."
 
    (lambda (x parser)
      (skip-as-needed x parser)
-   )))
+     )))
 
 ;;;;;;;;;;
 ;;; general purpose music functions
@@ -1276,9 +1276,9 @@ then revert skipTypesetting."
 (define (shift-octave pitch octave-shift)
   (_i "Add @var{octave-shift} to the octave of @var{pitch}.")
   (ly:make-pitch
-     (+ (ly:pitch-octave pitch) octave-shift)
-     (ly:pitch-notename pitch)
-     (ly:pitch-alteration pitch)))
+   (+ (ly:pitch-octave pitch) octave-shift)
+   (ly:pitch-notename pitch)
+   (ly:pitch-alteration pitch)))
 
 
 ;;;;;;;;;;;;;;;;;
@@ -1287,10 +1287,10 @@ then revert skipTypesetting."
 (define (apply-durations lyric-music durations)
   (define (apply-duration music)
     (if (and (not (equal? (ly:music-length music) ZERO-MOMENT))
-	     (ly:duration?  (ly:music-property music 'duration)))
-	(begin
-	  (set! (ly:music-property music 'duration) (car durations))
-	  (set! durations (cdr durations)))))
+             (ly:duration?  (ly:music-property music 'duration)))
+        (begin
+          (set! (ly:music-property music 'duration) (car durations))
+          (set! durations (cdr durations)))))
 
   (music-map apply-duration lyric-music))
 
@@ -1312,16 +1312,16 @@ can be omitted when the same note occurs again.
 
 Returns @code{#f} or the reason for the invalidation, a symbol."
   (let* ((def (if (pair? alteration-def)
-		  (car alteration-def)
-		  alteration-def)))
+                  (car alteration-def)
+                  alteration-def)))
     (and (symbol? def) def)))
 
 (define (extract-alteration alteration-def)
   (cond ((number? alteration-def)
-	 alteration-def)
-	((pair? alteration-def)
-	 (car alteration-def))
-	(else 0)))
+         alteration-def)
+        ((pair? alteration-def)
+         (car alteration-def))
+        (else 0)))
 
 (define (check-pitch-against-signature context pitch barnum laziness octaveness)
   "Checks the need for an accidental and a @q{restore} accidental against
@@ -1332,50 +1332,50 @@ we cancel accidentals up to three measures after they first appear.
 @var{octaveness} is either @code{'same-octave} or @code{'any-octave} and
 specifies whether accidentals should be canceled in different octaves."
   (let* ((ignore-octave (cond ((equal? octaveness 'any-octave) #t)
-			      ((equal? octaveness 'same-octave) #f)
-			      (else
-			       (ly:warning (_ "Unknown octaveness type: ~S ") octaveness)
-			       (ly:warning (_ "Defaulting to 'any-octave."))
-			       #t)))
-	 (key-sig (ly:context-property context 'keySignature))
-	 (local-key-sig (ly:context-property context 'localKeySignature))
-	 (notename (ly:pitch-notename pitch))
-	 (octave (ly:pitch-octave pitch))
-	 (pitch-handle (cons octave notename))
-	 (need-restore #f)
-	 (need-accidental #f)
-	 (previous-alteration #f)
-	 (from-other-octaves #f)
-	 (from-same-octave (assoc-get pitch-handle local-key-sig))
-	 (from-key-sig (or (assoc-get notename local-key-sig)
-
-    ;; If no key signature match is found from localKeySignature, we may have a custom
-    ;; type with octave-specific entries of the form ((octave . pitch) alteration)
-    ;; instead of (pitch . alteration).  Since this type cannot coexist with entries in
-    ;; localKeySignature, try extracting from keySignature instead.
-			   (assoc-get pitch-handle key-sig))))
+                              ((equal? octaveness 'same-octave) #f)
+                              (else
+                               (ly:warning (_ "Unknown octaveness type: ~S ") octaveness)
+                               (ly:warning (_ "Defaulting to 'any-octave."))
+                               #t)))
+         (key-sig (ly:context-property context 'keySignature))
+         (local-key-sig (ly:context-property context 'localKeySignature))
+         (notename (ly:pitch-notename pitch))
+         (octave (ly:pitch-octave pitch))
+         (pitch-handle (cons octave notename))
+         (need-restore #f)
+         (need-accidental #f)
+         (previous-alteration #f)
+         (from-other-octaves #f)
+         (from-same-octave (assoc-get pitch-handle local-key-sig))
+         (from-key-sig (or (assoc-get notename local-key-sig)
+
+                           ;; If no key signature match is found from localKeySignature, we may have a custom
+                           ;; type with octave-specific entries of the form ((octave . pitch) alteration)
+                           ;; instead of (pitch . alteration).  Since this type cannot coexist with entries in
+                           ;; localKeySignature, try extracting from keySignature instead.
+                           (assoc-get pitch-handle key-sig))))
 
     ;; loop through localKeySignature to search for a notename match from other octaves
     (let loop ((l local-key-sig))
       (if (pair? l)
-	  (let ((entry (car l)))
-	    (if (and (pair? (car entry))
-		     (= (cdar entry) notename))
-		(set! from-other-octaves (cdr entry))
-		(loop (cdr l))))))
+          (let ((entry (car l)))
+            (if (and (pair? (car entry))
+                     (= (cdar entry) notename))
+                (set! from-other-octaves (cdr entry))
+                (loop (cdr l))))))
 
     ;; find previous alteration-def for comparison with pitch
     (cond
      ;; from same octave?
      ((and (not ignore-octave)
-	   from-same-octave
-	   (recent-enough? barnum from-same-octave laziness))
+           from-same-octave
+           (recent-enough? barnum from-same-octave laziness))
       (set! previous-alteration from-same-octave))
 
      ;; from any octave?
      ((and ignore-octave
-	   from-other-octaves
-	   (recent-enough? barnum from-other-octaves laziness))
+           from-other-octaves
+           (recent-enough? barnum from-other-octaves laziness))
       (set! previous-alteration from-other-octaves))
 
      ;; not recent enough, extract from key signature/local key signature
@@ -1383,18 +1383,18 @@ specifies whether accidentals should be canceled in different octaves."
       (set! previous-alteration from-key-sig)))
 
     (if (accidental-invalid? previous-alteration)
-	(set! need-accidental #t)
+        (set! need-accidental #t)
 
-	(let* ((prev-alt (extract-alteration previous-alteration))
-	       (this-alt (ly:pitch-alteration pitch)))
+        (let* ((prev-alt (extract-alteration previous-alteration))
+               (this-alt (ly:pitch-alteration pitch)))
 
-	  (if (not (= this-alt prev-alt))
-	      (begin
-		(set! need-accidental #t)
-		(if (and (not (= this-alt 0))
-			 (and (< (abs this-alt) (abs prev-alt))
-			     (> (* prev-alt this-alt) 0)))
-		    (set! need-restore #t))))))
+          (if (not (= this-alt prev-alt))
+              (begin
+                (set! need-accidental #t)
+                (if (and (not (= this-alt 0))
+                         (and (< (abs this-alt) (abs prev-alt))
+                              (> (* prev-alt this-alt) 0)))
+                    (set! need-restore #t))))))
 
     (cons need-restore need-accidental)))
 
@@ -1455,8 +1455,8 @@ See @code{key-entry-notename} for details."
 For convenience, returns @code{0} if entry is @code{#f}."
   (if entry
       (if (number? (cdr entry))
-	  (cdr entry)
-	  (cadr entry))
+          (cdr entry)
+          (cadr entry))
       0))
 
 (define-public (find-pitch-entry keysig pitch accept-global accept-local)
@@ -1466,17 +1466,17 @@ For convenience, returns @code{0} if entry is @code{#f}."
 If no matching entry is found, @var{#f} is returned."
   (and (pair? keysig)
        (let* ((entry (car keysig))
-	      (entryoct (key-entry-octave entry))
-	      (entrynn (key-entry-notename entry))
-	      (nn (ly:pitch-notename pitch)))
-	 (if (and (equal? nn entrynn)
-		  (or (not entryoct)
-		      (= entryoct (ly:pitch-octave pitch)))
-		  (if (key-entry-bar-number entry)
-		      accept-local
-		      accept-global))
-	     entry
-	     (find-pitch-entry (cdr keysig) pitch accept-global accept-local)))))
+              (entryoct (key-entry-octave entry))
+              (entrynn (key-entry-notename entry))
+              (nn (ly:pitch-notename pitch)))
+         (if (and (equal? nn entrynn)
+                  (or (not entryoct)
+                      (= entryoct (ly:pitch-octave pitch)))
+                  (if (key-entry-bar-number entry)
+                      accept-local
+                      accept-global))
+             entry
+             (find-pitch-entry (cdr keysig) pitch accept-global accept-local)))))
 
 (define-public (neo-modern-accidental-rule context pitch barnum measurepos)
   "An accidental rule that typesets an accidental if it differs from the
@@ -1484,39 +1484,39 @@ key signature @emph{and} does not directly follow a note on the same
 staff line.  This rule should not be used alone because it does neither
 look at bar lines nor different accidentals at the same note name."
   (let* ((keysig (ly:context-property context 'localKeySignature))
-	 (entry (find-pitch-entry keysig pitch #t #t)))
+         (entry (find-pitch-entry keysig pitch #t #t)))
     (if (not entry)
-	(cons #f #f)
-	(let* ((global-entry (find-pitch-entry keysig pitch #t #f))
-	       (key-acc (key-entry-alteration global-entry))
-	       (acc (ly:pitch-alteration pitch))
-	       (entrymp (key-entry-measure-position entry))
-	       (entrybn (key-entry-bar-number entry)))
-	  (cons #f (not (or (equal? acc key-acc)
-			    (and (equal? entrybn barnum) (equal? entrymp measurepos)))))))))
+        (cons #f #f)
+        (let* ((global-entry (find-pitch-entry keysig pitch #t #f))
+               (key-acc (key-entry-alteration global-entry))
+               (acc (ly:pitch-alteration pitch))
+               (entrymp (key-entry-measure-position entry))
+               (entrybn (key-entry-bar-number entry)))
+          (cons #f (not (or (equal? acc key-acc)
+                            (and (equal? entrybn barnum) (equal? entrymp measurepos)))))))))
 
 (define-public (teaching-accidental-rule context pitch barnum measurepos)
   "An accidental rule that typesets a cautionary accidental if it is
 included in the key signature @emph{and} does not directly follow a note
 on the same staff line."
   (let* ((keysig (ly:context-property context 'localKeySignature))
-	 (entry (find-pitch-entry keysig pitch #t #t)))
+         (entry (find-pitch-entry keysig pitch #t #t)))
     (if (not entry)
-	(cons #f #f)
-	(let* ((entrymp (key-entry-measure-position entry))
-	       (entrybn (key-entry-bar-number entry)))
-	  (cons #f (not (and (equal? entrybn barnum) (equal? entrymp measurepos))))))))
+        (cons #f #f)
+        (let* ((entrymp (key-entry-measure-position entry))
+               (entrybn (key-entry-bar-number entry)))
+          (cons #f (not (and (equal? entrybn barnum) (equal? entrymp measurepos))))))))
 
 (define-public (set-accidentals-properties extra-natural
-					   auto-accs auto-cauts
-					   context)
+                                           auto-accs auto-cauts
+                                           context)
   (context-spec-music
    (make-sequential-music
     (append (if (boolean? extra-natural)
-		(list (make-property-set 'extraNatural extra-natural))
-		'())
-	    (list (make-property-set 'autoAccidentals auto-accs)
-		  (make-property-set 'autoCautionaries auto-cauts))))
+                (list (make-property-set 'extraNatural extra-natural))
+                '())
+            (list (make-property-set 'autoAccidentals auto-accs)
+                  (make-property-set 'autoCautionaries auto-cauts))))
    context))
 
 (define-public (set-accidental-style style . rest)
@@ -1525,163 +1525,163 @@ argument, e.g. @code{'Staff} or @code{'Voice}.  The context defaults
 to @code{Staff}, except for piano styles, which use @code{GrandStaff}
 as a context."
   (let ((context (if (pair? rest)
-		     (car rest) 'Staff))
-	(pcontext (if (pair? rest)
-		      (car rest) 'GrandStaff)))
+                     (car rest) 'Staff))
+        (pcontext (if (pair? rest)
+                      (car rest) 'GrandStaff)))
     (cond
-      ;; accidentals as they were common in the 18th century.
-      ((equal? style 'default)
-       (set-accidentals-properties #t
-				   `(Staff ,(make-accidental-rule 'same-octave 0))
-				   '()
-				   context))
-      ;; accidentals from one voice do NOT get canceled in other voices
-      ((equal? style 'voice)
-       (set-accidentals-properties #t
-				   `(Voice ,(make-accidental-rule 'same-octave 0))
-				   '()
-				   context))
-      ;; accidentals as suggested by Kurt Stone, Music Notation in the 20th century.
-      ;; This includes all the default accidentals, but accidentals also needs canceling
-      ;; in other octaves and in the next measure.
-      ((equal? style 'modern)
-       (set-accidentals-properties #f
-				   `(Staff ,(make-accidental-rule 'same-octave 0)
-					   ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1))
-				   '()
-				   context))
-      ;; the accidentals that Stone adds to the old standard as cautionaries
-      ((equal? style 'modern-cautionary)
-       (set-accidentals-properties #f
-				   `(Staff ,(make-accidental-rule 'same-octave 0))
-				   `(Staff ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1))
-				   context))
-      ;; same as modern, but accidentals different from the key signature are always
-      ;; typeset - unless they directly follow a note of the same pitch.
-      ((equal? style 'neo-modern)
-       (set-accidentals-properties #f
-				   `(Staff ,(make-accidental-rule 'same-octave 0)
-					   ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1)
-				           ,neo-modern-accidental-rule)
-				   '()
-				   context))
-      ((equal? style 'neo-modern-cautionary)
-       (set-accidentals-properties #f
-				   `(Staff ,(make-accidental-rule 'same-octave 0))
-				   `(Staff ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1)
-				           ,neo-modern-accidental-rule)
-				   context))
-      ((equal? style 'neo-modern-voice)
-       (set-accidentals-properties #f
-				   `(Voice ,(make-accidental-rule 'same-octave 0)
-					   ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1)
-					   ,neo-modern-accidental-rule
-				     Staff ,(make-accidental-rule 'same-octave 0)
-					   ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1)
-				      ,neo-modern-accidental-rule)
-				   '()
-				   context))
-      ((equal? style 'neo-modern-voice-cautionary)
-       (set-accidentals-properties #f
-				   `(Voice ,(make-accidental-rule 'same-octave 0))
-				   `(Voice ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1)
-					   ,neo-modern-accidental-rule
-				     Staff ,(make-accidental-rule 'same-octave 0)
-					   ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1)
-					   ,neo-modern-accidental-rule)
-				   context))
-      ;; Accidentals as they were common in dodecaphonic music with no tonality.
-      ;; Each note gets one accidental.
-      ((equal? style 'dodecaphonic)
-       (set-accidentals-properties #f
-				   `(Staff ,(lambda (c p bn mp) '(#f . #t)))
-				   '()
-				   context))
-      ;; Multivoice accidentals to be read both by musicians playing one voice
-      ;; and musicians playing all voices.
-      ;; Accidentals are typeset for each voice, but they ARE canceled across voices.
-      ((equal? style 'modern-voice)
-       (set-accidentals-properties  #f
-				    `(Voice ,(make-accidental-rule 'same-octave 0)
-					    ,(make-accidental-rule 'any-octave 0)
-					    ,(make-accidental-rule 'same-octave 1)
-				      Staff ,(make-accidental-rule 'same-octave 0)
-					    ,(make-accidental-rule 'any-octave 0)
-					    ,(make-accidental-rule 'same-octave 1))
-				    '()
-				    context))
-      ;; same as modernVoiceAccidental eccept that all special accidentals are typeset
-      ;; as cautionaries
-      ((equal? style 'modern-voice-cautionary)
-       (set-accidentals-properties #f
-				   `(Voice ,(make-accidental-rule 'same-octave 0))
-				   `(Voice ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1)
-				     Staff ,(make-accidental-rule 'same-octave 0)
-				           ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1))
-				   context))
-      ;; stone's suggestions for accidentals on grand staff.
-      ;; Accidentals are canceled across the staves in the same grand staff as well
-      ((equal? style 'piano)
-       (set-accidentals-properties #f
-				   `(Staff ,(make-accidental-rule 'same-octave 0)
-					   ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1)
-				     GrandStaff
-				           ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1))
-				   '()
-				   pcontext))
-      ((equal? style 'piano-cautionary)
-       (set-accidentals-properties #f
-				   `(Staff ,(make-accidental-rule 'same-octave 0))
-				   `(Staff ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1)
-				     GrandStaff
-				           ,(make-accidental-rule 'any-octave 0)
-					   ,(make-accidental-rule 'same-octave 1))
-				   pcontext))
-
-      ;; same as modern, but cautionary accidentals are printed for all sharp or flat
-      ;; tones specified by the key signature.
-       ((equal? style 'teaching)
-       (set-accidentals-properties #f
-				    `(Staff ,(make-accidental-rule 'same-octave 0))
-				    `(Staff ,(make-accidental-rule 'same-octave 1)
-				           ,teaching-accidental-rule)
-				   context))
-
-      ;; do not set localKeySignature when a note alterated differently from
-      ;; localKeySignature is found.
-      ;; Causes accidentals to be printed at every note instead of
-      ;; remembered for the duration of a measure.
-      ;; accidentals not being remembered, causing accidentals always to
-      ;; be typeset relative to the time signature
-      ((equal? style 'forget)
-       (set-accidentals-properties '()
-				   `(Staff ,(make-accidental-rule 'same-octave -1))
-				   '()
-				   context))
-      ;; Do not reset the key at the start of a measure.  Accidentals will be
-      ;; printed only once and are in effect until overridden, possibly many
-      ;; measures later.
-      ((equal? style 'no-reset)
-       (set-accidentals-properties '()
-				   `(Staff ,(make-accidental-rule 'same-octave #t))
-				   '()
-				   context))
-      (else
-       (ly:warning (_ "unknown accidental style: ~S") style)
-       (make-sequential-music '())))))
+     ;; accidentals as they were common in the 18th century.
+     ((equal? style 'default)
+      (set-accidentals-properties #t
+                                  `(Staff ,(make-accidental-rule 'same-octave 0))
+                                  '()
+                                  context))
+     ;; accidentals from one voice do NOT get canceled in other voices
+     ((equal? style 'voice)
+      (set-accidentals-properties #t
+                                  `(Voice ,(make-accidental-rule 'same-octave 0))
+                                  '()
+                                  context))
+     ;; accidentals as suggested by Kurt Stone, Music Notation in the 20th century.
+     ;; This includes all the default accidentals, but accidentals also needs canceling
+     ;; in other octaves and in the next measure.
+     ((equal? style 'modern)
+      (set-accidentals-properties #f
+                                  `(Staff ,(make-accidental-rule 'same-octave 0)
+                                          ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1))
+                                  '()
+                                  context))
+     ;; the accidentals that Stone adds to the old standard as cautionaries
+     ((equal? style 'modern-cautionary)
+      (set-accidentals-properties #f
+                                  `(Staff ,(make-accidental-rule 'same-octave 0))
+                                  `(Staff ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1))
+                                  context))
+     ;; same as modern, but accidentals different from the key signature are always
+     ;; typeset - unless they directly follow a note of the same pitch.
+     ((equal? style 'neo-modern)
+      (set-accidentals-properties #f
+                                  `(Staff ,(make-accidental-rule 'same-octave 0)
+                                          ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1)
+                                          ,neo-modern-accidental-rule)
+                                  '()
+                                  context))
+     ((equal? style 'neo-modern-cautionary)
+      (set-accidentals-properties #f
+                                  `(Staff ,(make-accidental-rule 'same-octave 0))
+                                  `(Staff ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1)
+                                          ,neo-modern-accidental-rule)
+                                  context))
+     ((equal? style 'neo-modern-voice)
+      (set-accidentals-properties #f
+                                  `(Voice ,(make-accidental-rule 'same-octave 0)
+                                          ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1)
+                                          ,neo-modern-accidental-rule
+                                          Staff ,(make-accidental-rule 'same-octave 0)
+                                          ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1)
+                                          ,neo-modern-accidental-rule)
+                                  '()
+                                  context))
+     ((equal? style 'neo-modern-voice-cautionary)
+      (set-accidentals-properties #f
+                                  `(Voice ,(make-accidental-rule 'same-octave 0))
+                                  `(Voice ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1)
+                                          ,neo-modern-accidental-rule
+                                          Staff ,(make-accidental-rule 'same-octave 0)
+                                          ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1)
+                                          ,neo-modern-accidental-rule)
+                                  context))
+     ;; Accidentals as they were common in dodecaphonic music with no tonality.
+     ;; Each note gets one accidental.
+     ((equal? style 'dodecaphonic)
+      (set-accidentals-properties #f
+                                  `(Staff ,(lambda (c p bn mp) '(#f . #t)))
+                                  '()
+                                  context))
+     ;; Multivoice accidentals to be read both by musicians playing one voice
+     ;; and musicians playing all voices.
+     ;; Accidentals are typeset for each voice, but they ARE canceled across voices.
+     ((equal? style 'modern-voice)
+      (set-accidentals-properties  #f
+                                   `(Voice ,(make-accidental-rule 'same-octave 0)
+                                           ,(make-accidental-rule 'any-octave 0)
+                                           ,(make-accidental-rule 'same-octave 1)
+                                           Staff ,(make-accidental-rule 'same-octave 0)
+                                           ,(make-accidental-rule 'any-octave 0)
+                                           ,(make-accidental-rule 'same-octave 1))
+                                   '()
+                                   context))
+     ;; same as modernVoiceAccidental eccept that all special accidentals are typeset
+     ;; as cautionaries
+     ((equal? style 'modern-voice-cautionary)
+      (set-accidentals-properties #f
+                                  `(Voice ,(make-accidental-rule 'same-octave 0))
+                                  `(Voice ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1)
+                                          Staff ,(make-accidental-rule 'same-octave 0)
+                                          ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1))
+                                  context))
+     ;; stone's suggestions for accidentals on grand staff.
+     ;; Accidentals are canceled across the staves in the same grand staff as well
+     ((equal? style 'piano)
+      (set-accidentals-properties #f
+                                  `(Staff ,(make-accidental-rule 'same-octave 0)
+                                          ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1)
+                                          GrandStaff
+                                          ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1))
+                                  '()
+                                  pcontext))
+     ((equal? style 'piano-cautionary)
+      (set-accidentals-properties #f
+                                  `(Staff ,(make-accidental-rule 'same-octave 0))
+                                  `(Staff ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1)
+                                          GrandStaff
+                                          ,(make-accidental-rule 'any-octave 0)
+                                          ,(make-accidental-rule 'same-octave 1))
+                                  pcontext))
+
+     ;; same as modern, but cautionary accidentals are printed for all sharp or flat
+     ;; tones specified by the key signature.
+     ((equal? style 'teaching)
+      (set-accidentals-properties #f
+                                  `(Staff ,(make-accidental-rule 'same-octave 0))
+                                  `(Staff ,(make-accidental-rule 'same-octave 1)
+                                          ,teaching-accidental-rule)
+                                  context))
+
+     ;; do not set localKeySignature when a note alterated differently from
+     ;; localKeySignature is found.
+     ;; Causes accidentals to be printed at every note instead of
+     ;; remembered for the duration of a measure.
+     ;; accidentals not being remembered, causing accidentals always to
+     ;; be typeset relative to the time signature
+     ((equal? style 'forget)
+      (set-accidentals-properties '()
+                                  `(Staff ,(make-accidental-rule 'same-octave -1))
+                                  '()
+                                  context))
+     ;; Do not reset the key at the start of a measure.  Accidentals will be
+     ;; printed only once and are in effect until overridden, possibly many
+     ;; measures later.
+     ((equal? style 'no-reset)
+      (set-accidentals-properties '()
+                                  `(Staff ,(make-accidental-rule 'same-octave #t))
+                                  '()
+                                  context))
+     (else
+      (ly:warning (_ "unknown accidental style: ~S") style)
+      (make-sequential-music '())))))
 
 (define-public (invalidate-alterations context)
   "Invalidate alterations in @var{context}.
@@ -1695,31 +1695,31 @@ to force a repetition of accidentals.
 Entries that conform with the current key signature are not invalidated."
   (let* ((keysig (ly:context-property context 'keySignature)))
     (set! (ly:context-property context 'localKeySignature)
-	  (map-in-order
-	   (lambda (entry)
-	     (let* ((localalt (key-entry-alteration entry)))
-	       (if (or (accidental-invalid? localalt)
-		       (not (key-entry-bar-number entry))
-		       (= localalt
-			  (key-entry-alteration
-			   (find-pitch-entry
-			    keysig
-			    (ly:make-pitch (key-entry-octave entry)
-					   (key-entry-notename entry)
-					   0)
-			    #t #t))))
-		   entry
-		   (cons (car entry) (cons 'clef (cddr entry))))))
-	   (ly:context-property context 'localKeySignature)))))
+          (map-in-order
+           (lambda (entry)
+             (let* ((localalt (key-entry-alteration entry)))
+               (if (or (accidental-invalid? localalt)
+                       (not (key-entry-bar-number entry))
+                       (= localalt
+                          (key-entry-alteration
+                           (find-pitch-entry
+                            keysig
+                            (ly:make-pitch (key-entry-octave entry)
+                                           (key-entry-notename entry)
+                                           0)
+                            #t #t))))
+                   entry
+                   (cons (car entry) (cons 'clef (cddr entry))))))
+           (ly:context-property context 'localKeySignature)))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (define-public (skip-of-length mus)
   "Create a skip of exactly the same length as @var{mus}."
   (let* ((skip
-	  (make-music
-	   'SkipEvent
-	   'duration (ly:make-duration 0 0))))
+          (make-music
+           'SkipEvent
+           'duration (ly:make-duration 0 0))))
 
     (make-event-chord (list (ly:music-compress skip (ly:music-length mus))))))
 
@@ -1727,29 +1727,29 @@ Entries that conform with the current key signature are not invalidated."
   "Create a multi-measure rest of exactly the same length as @var{mus}."
 
   (let* ((skip
-	  (make-multi-measure-rest
-	   (ly:make-duration 0 0) '())))
+          (make-multi-measure-rest
+           (ly:make-duration 0 0) '())))
     (ly:music-compress skip (ly:music-length mus))
     skip))
 
 (define-public (pitch-of-note event-chord)
   (let ((evs (filter (lambda (x)
-		       (music-has-type x 'note-event))
-		     (ly:music-property event-chord 'elements))))
+                       (music-has-type x 'note-event))
+                     (ly:music-property event-chord 'elements))))
 
     (and (pair? evs)
-	 (ly:music-property (car evs) 'pitch))))
+         (ly:music-property (car evs) 'pitch))))
 
 (define-public (duration-of-note event-chord)
   (cond
    ((pair? event-chord)
     (or (duration-of-note (car event-chord))
-	(duration-of-note (cdr event-chord))))
+        (duration-of-note (cdr event-chord))))
    ((ly:music? event-chord)
     (let ((dur (ly:music-property event-chord 'duration)))
       (if (ly:duration? dur)
-	  dur
-	  (duration-of-note (ly:music-property event-chord 'elements)))))
+          dur
+          (duration-of-note (ly:music-property event-chord 'elements)))))
    (else #f)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -1759,30 +1759,30 @@ Entries that conform with the current key signature are not invalidated."
 and only recurse if this returns @code{#f}."
   (let loop ((music music))
     (or (map? music)
-	(let ((elt (ly:music-property music 'element))
-	      (elts (ly:music-property music 'elements))
-	      (arts (ly:music-property music 'articulations)))
-	  (if (ly:music? elt)
-	      (set! (ly:music-property music 'element)
-		    (loop elt)))
-	  (if (pair? elts)
-	      (set! (ly:music-property music 'elements)
-		    (map loop elts)))
-	  (if (pair? arts)
-	      (set! (ly:music-property music 'articulations)
-		    (map loop arts)))
-	  music))))
+        (let ((elt (ly:music-property music 'element))
+              (elts (ly:music-property music 'elements))
+              (arts (ly:music-property music 'articulations)))
+          (if (ly:music? elt)
+              (set! (ly:music-property music 'element)
+                    (loop elt)))
+          (if (pair? elts)
+              (set! (ly:music-property music 'elements)
+                    (map loop elts)))
+          (if (pair? arts)
+              (set! (ly:music-property music 'articulations)
+                    (map loop arts)))
+          music))))
 
 (define-public (for-some-music stop? music)
   "Walk through @var{music}, process all elements calling @var{stop?}
 and only recurse if this returns @code{#f}."
   (let loop ((music music))
     (if (not (stop? music))
-	(let ((elt (ly:music-property music 'element)))
-	  (if (ly:music? elt)
-	      (loop elt))
-	  (for-each loop (ly:music-property music 'elements))
-	  (for-each loop (ly:music-property music 'articulations))))))
+        (let ((elt (ly:music-property music 'element)))
+          (if (ly:music? elt)
+              (loop elt))
+          (for-each loop (ly:music-property music 'elements))
+          (for-each loop (ly:music-property music 'articulations))))))
 
 (define-public (fold-some-music pred? proc init music)
   "This works recursively on music like @code{fold} does on a list,
@@ -1794,15 +1794,15 @@ and no recursion happens.
 The top @var{music} is processed using @var{init} for @samp{previous}."
   (let loop ((music music) (previous init))
     (if (pred? music)
-	(proc music previous)
-	(fold loop
-	      (fold loop
-		    (let ((elt (ly:music-property music 'element)))
-		      (if (null? elt)
-			  previous
-			  (loop elt previous)))
-		    (ly:music-property music 'elements))
-	      (ly:music-property music 'articulations)))))
+        (proc music previous)
+        (fold loop
+              (fold loop
+                    (let ((elt (ly:music-property music 'element)))
+                      (if (null? elt)
+                          previous
+                          (loop elt previous)))
+                    (ly:music-property music 'elements))
+              (ly:music-property music 'articulations)))))
 
 (define-public (extract-music music pred?)
   "Return a flat list of all music matching @var{pred?} inside of
@@ -1827,7 +1827,7 @@ recursing into matches themselves."
    music
    (if (cheap-list? type)
        (lambda (m)
-	 (any (lambda (t) (music-is-of-type? m t)) type))
+         (any (lambda (t) (music-is-of-type? m t)) type))
        (lambda (m) (music-is-of-type? m type)))))
 
 (define*-public (event-chord-wrap! music #:optional parser)
@@ -1839,31 +1839,31 @@ yourself."
   (map-some-music
    (lambda (m)
      (cond ((music-is-of-type? m 'event-chord)
-	    (if (pair? (ly:music-property m 'articulations))
-		(begin
-		  (set! (ly:music-property m 'elements)
-			(append (ly:music-property m 'elements)
-				(ly:music-property m 'articulations)))
-		  (set! (ly:music-property m 'articulations) '())))
-	    m)
-	   ((music-is-of-type? m 'rhythmic-event)
-	    (let ((arts (ly:music-property m 'articulations)))
-	      (if (pair? arts)
-		  (set! (ly:music-property m 'articulations) '()))
-	      (make-event-chord (cons m arts))))
-	   (else #f)))
+            (if (pair? (ly:music-property m 'articulations))
+                (begin
+                  (set! (ly:music-property m 'elements)
+                        (append (ly:music-property m 'elements)
+                                (ly:music-property m 'articulations)))
+                  (set! (ly:music-property m 'articulations) '())))
+            m)
+           ((music-is-of-type? m 'rhythmic-event)
+            (let ((arts (ly:music-property m 'articulations)))
+              (if (pair? arts)
+                  (set! (ly:music-property m 'articulations) '()))
+              (make-event-chord (cons m arts))))
+           (else #f)))
    (if parser
        (expand-repeat-chords!
-	(cons 'rhythmic-event
-	      (ly:parser-lookup parser '$chord-repeat-events))
-	music)
+        (cons 'rhythmic-event
+              (ly:parser-lookup parser '$chord-repeat-events))
+        music)
        music)))
 
 (define-public (event-chord-notes event-chord)
   "Return a list of all notes from @var{event-chord}."
   (filter
-    (lambda (m) (eq? 'NoteEvent (ly:music-property m 'name)))
-    (ly:music-property event-chord 'elements)))
+   (lambda (m) (eq? 'NoteEvent (ly:music-property m 'name)))
+   (ly:music-property event-chord 'elements)))
 
 (define-public (event-chord-pitches event-chord)
   "Return a list of all pitches from @var{event-chord}."
@@ -1910,7 +1910,7 @@ base onto the following musical context."
 
 (define (close-enough? x y)
   "Values are close enough to ignore the difference"
-   (< (abs (- x y)) 0.0001))
+  (< (abs (- x y)) 0.0001))
 
 (define (extent-combine extents)
   "Combine a list of extents"
@@ -1923,34 +1923,34 @@ base onto the following musical context."
   ;; The root is always connectable to itself
   (or (eq? root stem)
       (and
-      ;; Horizontal positions of the stems must be almost the same
-        (close-enough? (car (ly:grob-extent root ref X))
-          (car (ly:grob-extent stem ref X)))
-        ;; The stem must be in the direction away from the root's notehead
-        (positive? (* (ly:grob-property root 'direction)
+       ;; Horizontal positions of the stems must be almost the same
+       (close-enough? (car (ly:grob-extent root ref X))
+                      (car (ly:grob-extent stem ref X)))
+       ;; The stem must be in the direction away from the root's notehead
+       (positive? (* (ly:grob-property root 'direction)
                      (- (car (ly:grob-extent stem ref Y))
-                       (car (ly:grob-extent root ref Y))))))))
+                        (car (ly:grob-extent root ref Y))))))))
 
 (define (stem-span-stencil span)
   "Connect stems if we have at least one stem connectable to the root"
   (let* ((system (ly:grob-system span))
-          (root (ly:grob-parent span X))
-          (stems (filter (stem-connectable? system root)
-                         (ly:grob-object span 'stems))))
-     (if (<= 2 (length stems))
-         (let* ((yextents (map (lambda (st)
-                                 (ly:grob-extent st system Y)) stems))
-                (yextent (extent-combine yextents))
-                (layout (ly:grob-layout root))
-                (blot (ly:output-def-lookup layout 'blot-diameter)))
-           ;; Hide spanned stems
-           (map (lambda (st)
-                  (set! (ly:grob-property st 'stencil) #f))
-             stems)
-           ;; Draw a nice looking stem with rounded corners
-           (ly:round-filled-box (ly:grob-extent root root X) yextent blot))
-         ;; Nothing to connect, don't draw the span
-         #f)))
+         (root (ly:grob-parent span X))
+         (stems (filter (stem-connectable? system root)
+                        (ly:grob-object span 'stems))))
+    (if (<= 2 (length stems))
+        (let* ((yextents (map (lambda (st)
+                                (ly:grob-extent st system Y)) stems))
+               (yextent (extent-combine yextents))
+               (layout (ly:grob-layout root))
+               (blot (ly:output-def-lookup layout 'blot-diameter)))
+          ;; Hide spanned stems
+          (map (lambda (st)
+                 (set! (ly:grob-property st 'stencil) #f))
+               stems)
+          ;; Draw a nice looking stem with rounded corners
+          (ly:round-filled-box (ly:grob-extent root root X) yextent blot))
+        ;; Nothing to connect, don't draw the span
+        #f)))
 
 (define ((make-stem-span! stems trans) root)
   "Create a stem span as a child of the cross-staff stem (the root)"
@@ -1964,7 +1964,7 @@ base onto the following musical context."
 (define-public (cross-staff-connect stem)
   "Set cross-staff property of the stem to this function to connect it to
 other stems automatically"
-   #t)
+  #t)
 
 (define (stem-is-root? stem)
   "Check if automatic connecting of the stem was requested.  Stems connected
@@ -1977,21 +1977,21 @@ other stems just because of that."
   ;; Cannot do extensive checks here, just make sure there are at least
   ;; two stems at this musical moment
   (if (<= 2 (length stems))
-    (let ((roots (filter stem-is-root? stems)))
-    (map (make-stem-span! stems trans) roots))))
+      (let ((roots (filter stem-is-root? stems)))
+        (map (make-stem-span! stems trans) roots))))
 
 (define-public (Span_stem_engraver ctx)
   "Connect cross-staff stems to the stems above in the system"
   (let ((stems '()))
     (make-engraver
-      ;; Record all stems for the given moment
-      (acknowledgers
-        ((stem-interface trans grob source)
-        (set! stems (cons grob stems))))
-      ;; Process stems and reset the stem list to empty
-      ((process-acknowledged trans)
-        (make-stem-spans! ctx stems trans)
-        (set! stems '())))))
+     ;; Record all stems for the given moment
+     (acknowledgers
+      ((stem-interface trans grob source)
+       (set! stems (cons grob stems))))
+     ;; Process stems and reset the stem list to empty
+     ((process-acknowledged trans)
+      (make-stem-spans! ctx stems trans)
+      (set! stems '())))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; The following is used by the alterBroken function.
@@ -2002,16 +2002,16 @@ of list @var{arg}."
   (let* ((orig (ly:grob-original grob))
          (siblings (ly:spanner-broken-into orig)))
 
-   (define (helper sibs arg)
-     (if (null? arg)
-         arg
-         (if (eq? (car sibs) grob)
-             (car arg)
-             (helper (cdr sibs) (cdr arg)))))
+    (define (helper sibs arg)
+      (if (null? arg)
+          arg
+          (if (eq? (car sibs) grob)
+              (car arg)
+              (helper (cdr sibs) (cdr arg)))))
 
-   (if (>= (length siblings) 2)
-       (helper siblings arg)
-       (car arg))))
+    (if (>= (length siblings) 2)
+        (helper siblings arg)
+        (car arg))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; measure counter
@@ -2030,45 +2030,45 @@ Broken measures are numbered in parentheses."
          ;; a system in the event that a MeasureCounter spanner is broken
          (all-cols (ly:grob-array->list (ly:grob-object refp 'columns)))
          (all-cols
-           (filter
-             (lambda (col) (eq? #t (ly:grob-property col 'non-musical)))
-             all-cols))
+          (filter
+           (lambda (col) (eq? #t (ly:grob-property col 'non-musical)))
+           all-cols))
          (left-bound
-           (if (or (null? siblings) ; spanner is unbroken
-                   (eq? grob (car siblings))) ; or the first piece
-               (car bounds)
-               (car all-cols)))
+          (if (or (null? siblings) ; spanner is unbroken
+                  (eq? grob (car siblings))) ; or the first piece
+              (car bounds)
+              (car all-cols)))
          (right-bound
-           (if (or (null? siblings)
-                   (eq? grob (car (reverse siblings))))
-               (car (reverse bounds))
-               (car (reverse all-cols))))
+          (if (or (null? siblings)
+                  (eq? grob (car (reverse siblings))))
+              (car (reverse bounds))
+              (car (reverse all-cols))))
          (elts-L (ly:grob-array->list (ly:grob-object left-bound 'elements)))
          (elts-R (ly:grob-array->list (ly:grob-object right-bound 'elements)))
          (break-alignment-L
-           (filter
-             (lambda (elt) (grob::has-interface elt 'break-alignment-interface))
-             elts-L))
+          (filter
+           (lambda (elt) (grob::has-interface elt 'break-alignment-interface))
+           elts-L))
          (break-alignment-R
-           (filter
-             (lambda (elt) (grob::has-interface elt 'break-alignment-interface))
-             elts-R))
+          (filter
+           (lambda (elt) (grob::has-interface elt 'break-alignment-interface))
+           elts-R))
          (break-alignment-L-ext (ly:grob-extent (car break-alignment-L) refp X))
          (break-alignment-R-ext (ly:grob-extent (car break-alignment-R) refp X))
          (num (markup (number->string (ly:grob-property grob 'count-from))))
          (num
-           (if (or (null? siblings)
-                   (eq? grob (car siblings)))
-               num
-               (make-parenthesize-markup num)))
+          (if (or (null? siblings)
+                  (eq? grob (car siblings)))
+              num
+              (make-parenthesize-markup num)))
          (num (grob-interpret-markup grob num))
          (num (ly:stencil-aligned-to num X (ly:grob-property grob 'self-alignment-X)))
          (num
-           (ly:stencil-translate-axis
-             num
-             (+ (interval-length break-alignment-L-ext)
-                (* 0.5
-                   (- (car break-alignment-R-ext)
-                      (cdr break-alignment-L-ext))))
-             X)))
+          (ly:stencil-translate-axis
+           num
+           (+ (interval-length break-alignment-L-ext)
+              (* 0.5
+                 (- (car break-alignment-R-ext)
+                    (cdr break-alignment-L-ext))))
+           X)))
     num))
diff --git a/scm/output-lib.scm b/scm/output-lib.scm
index 6e2d06a66a..a191d65ae7 100644
--- a/scm/output-lib.scm
+++ b/scm/output-lib.scm
@@ -38,7 +38,7 @@
 
 (define-public (print-circled-text-callback grob)
   (grob-interpret-markup grob (make-circle-markup
-			       (ly:grob-property grob 'text))))
+                               (ly:grob-property grob 'text))))
 
 (define-public (event-cause grob)
   (let ((cause (ly:grob-property  grob 'cause)))
@@ -50,8 +50,8 @@
 
 (define-public (grob-interpret-markup grob text)
   (let* ((layout (ly:grob-layout grob))
-	 (defs (ly:output-def-lookup layout 'text-font-defaults))
-	 (props (ly:grob-alist-chain grob defs)))
+         (defs (ly:output-def-lookup layout 'text-font-defaults))
+         (props (ly:grob-alist-chain grob defs)))
 
     (ly:text-interface::interpret-markup layout props text)))
 
@@ -62,31 +62,31 @@
 
 (define-public grob::unpure-horizontal-skylines-from-stencil
   (ly:make-unpure-pure-container
-    ly:grob::horizontal-skylines-from-stencil
-    ly:grob::pure-simple-horizontal-skylines-from-extents))
+   ly:grob::horizontal-skylines-from-stencil
+   ly:grob::pure-simple-horizontal-skylines-from-extents))
 
 (define-public grob::always-horizontal-skylines-from-stencil
   (ly:make-unpure-pure-container
-    ly:grob::horizontal-skylines-from-stencil))
+   ly:grob::horizontal-skylines-from-stencil))
 
 (define-public grob::unpure-vertical-skylines-from-stencil
   (ly:make-unpure-pure-container
-    ly:grob::vertical-skylines-from-stencil
-    ly:grob::pure-simple-vertical-skylines-from-extents))
+   ly:grob::vertical-skylines-from-stencil
+   ly:grob::pure-simple-vertical-skylines-from-extents))
 
 (define-public grob::always-vertical-skylines-from-stencil
   (ly:make-unpure-pure-container
-    ly:grob::vertical-skylines-from-stencil))
+   ly:grob::vertical-skylines-from-stencil))
 
 (define-public grob::always-vertical-skylines-from-element-stencils
   (ly:make-unpure-pure-container
-    ly:grob::vertical-skylines-from-element-stencils
-    ly:grob::pure-vertical-skylines-from-element-stencils))
+   ly:grob::vertical-skylines-from-element-stencils
+   ly:grob::pure-vertical-skylines-from-element-stencils))
 
 (define-public grob::always-horizontal-skylines-from-element-stencils
   (ly:make-unpure-pure-container
-    ly:grob::horizontal-skylines-from-element-stencils
-    ly:grob::pure-horizontal-skylines-from-element-stencils))
+   ly:grob::horizontal-skylines-from-element-stencils
+   ly:grob::pure-horizontal-skylines-from-element-stencils))
 
 ;; Using this as a callback for a grob's Y-extent promises
 ;; that the grob's stencil does not depend on line-spacing.
@@ -101,7 +101,7 @@
   (let* ((layout (ly:grob-layout grob))
          (line-thickness (ly:output-def-lookup layout 'line-thickness)))
 
-        line-thickness))
+    line-thickness))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; beam slope
@@ -175,10 +175,10 @@
                           (ly:grob-array->list stems)
                           '())))
     (for-each
-      (lambda (g)
-        (ly:grob-set-property! g 'stem-begin-position 0)
-        (ly:grob-set-property! g 'length 0))
-      stems-grobs)
+     (lambda (g)
+       (ly:grob-set-property! g 'stem-begin-position 0)
+       (ly:grob-set-property! g 'length 0))
+     stems-grobs)
     pos))
 
 ;; calculates each slope of a broken beam individually
@@ -214,10 +214,10 @@
                            quant2))
                (factor (/ (atan (abs slope1)) PI-OVER-TWO))
                (base (cons-map
-                       (lambda (x)
-                         (+ (* (x quant1) (- 1 factor))
-                            (* (x quant2) factor)))
-                       (cons car cdr))))
+                      (lambda (x)
+                        (+ (* (x quant1) (- 1 factor))
+                           (* (x quant2) factor)))
+                      (cons car cdr))))
           (ly:beam::quanting grob base #f)))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -238,16 +238,16 @@
 
 (define-public side-position-interface::y-aligned-side
   (ly:make-unpure-pure-container
-    ly:side-position-interface::y-aligned-side
-    ly:side-position-interface::pure-y-aligned-side))
+   ly:side-position-interface::y-aligned-side
+   ly:side-position-interface::pure-y-aligned-side))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; self-alignment stuff
 
 (define-public self-alignment-interface::y-aligned-on-self
   (ly:make-unpure-pure-container
-    ly:self-alignment-interface::y-aligned-on-self
-    ly:self-alignment-interface::pure-y-aligned-on-self))
+   ly:self-alignment-interface::y-aligned-on-self
+   ly:self-alignment-interface::pure-y-aligned-on-self))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; staff symbol
@@ -292,12 +292,12 @@
 (define-public (note-head::calc-kievan-duration-log grob)
   (min 3
        (ly:duration-log
-         (ly:event-property (event-cause grob) 'duration))))
+        (ly:event-property (event-cause grob) 'duration))))
 
 (define-public (note-head::calc-duration-log grob)
   (min 2
        (ly:duration-log
-         (ly:event-property (event-cause grob) 'duration))))
+        (ly:event-property (event-cause grob) 'duration))))
 
 (define-public (dots::calc-dot-count grob)
   (ly:duration-dot-count
@@ -305,11 +305,11 @@
 
 (define-public (dots::calc-staff-position grob)
   (let* ((head (ly:grob-parent grob Y))
-	 (log (ly:grob-property head 'duration-log)))
+         (log (ly:grob-property head 'duration-log)))
 
     (cond
      ((or (not (grob::has-interface head 'rest-interface))
-	  (not (integer? log))) 0)
+          (not (integer? log))) 0)
      ((= log 7) 4)
      ((> log 4) 3)
      ((= log 0) -1)
@@ -331,87 +331,87 @@ and duration-log @var{log}."
     ((harmonic) "0harmonic")
     ((harmonic-black) "2harmonic")
     ((harmonic-mixed) (if (<= log 1) "0harmonic"
-			  "2harmonic"))
+                          "2harmonic"))
     ((baroque)
      ;; Oops, I actually would not call this "baroque", but, for
      ;; backwards compatibility to 1.4, this is supposed to take
      ;; brevis, longa and maxima from the neo-mensural font and all
      ;; other note heads from the default font.  -- jr
      (if (< log 0)
-	 (string-append (number->string log) "neomensural")
-	 (number->string log)))
+         (string-append (number->string log) "neomensural")
+         (number->string log)))
     ((altdefault)
      ;; Like default, but brevis is drawn with double vertical lines
      (if (= log -1)
-	 (string-append (number->string log) "double")
-	 (number->string log)))
+         (string-append (number->string log) "double")
+         (number->string log)))
     ((mensural)
      (string-append (number->string log) (symbol->string style)))
     ((petrucci)
      (if (< log 0)
-	 (string-append (number->string log) "mensural")
-	 (string-append (number->string log) (symbol->string style))))
+         (string-append (number->string log) "mensural")
+         (string-append (number->string log) (symbol->string style))))
     ((blackpetrucci)
      (if (< log 0)
-	 (string-append (number->string log) "blackmensural")
-	 (string-append (number->string log) (symbol->string style))))
+         (string-append (number->string log) "blackmensural")
+         (string-append (number->string log) (symbol->string style))))
     ((semipetrucci)
      (if (< log 0)
-	 (string-append (number->string log) "semimensural")
-	 (string-append (number->string log) "petrucci")))
+         (string-append (number->string log) "semimensural")
+         (string-append (number->string log) "petrucci")))
     ((neomensural)
      (string-append (number->string log) (symbol->string style)))
     ((kievan)
      (string-append (number->string log) "kievan"))
     (else
      (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
-	 (symbol->string style)
-	 (string-append (number->string (max 0 log))
-			(symbol->string style))))))
+         (symbol->string style)
+         (string-append (number->string (max 0 log))
+                        (symbol->string style))))))
 
 (define-public (note-head::calc-glyph-name grob)
   (let* ((style (ly:grob-property grob 'style))
-	 (log (if (string-match "kievan*" (symbol->string style))
-		  (min 3 (ly:grob-property grob 'duration-log))
-		  (min 2 (ly:grob-property grob 'duration-log)))))
+         (log (if (string-match "kievan*" (symbol->string style))
+                  (min 3 (ly:grob-property grob 'duration-log))
+                  (min 2 (ly:grob-property grob 'duration-log)))))
     (select-head-glyph style log)))
 
 (define-public (note-head::brew-ez-stencil grob)
   (let* ((log (ly:grob-property grob 'duration-log))
-	 (pitch (ly:event-property (event-cause grob) 'pitch))
-	 (pitch-index (ly:pitch-notename pitch))
-	 (note-names (ly:grob-property grob 'note-names))
-	 (pitch-string (if (and (vector? note-names)
-				(> (vector-length note-names) pitch-index))
-			   (vector-ref note-names pitch-index)
-			   (string
-			    (integer->char
-			     (+ (modulo (+ pitch-index 2) 7)
-				(char->integer #\A))))))
-	 (staff-space (ly:staff-symbol-staff-space grob))
-	 (line-thickness (ly:staff-symbol-line-thickness grob))
-	 (stem (ly:grob-object grob 'stem))
-	 (stem-thickness (* (if (ly:grob? stem)
-				(ly:grob-property stem 'thickness)
-				1.3)
-			    line-thickness))
-	 (radius (/ (+ staff-space line-thickness) 2))
-	 (letter (markup #:center-align #:vcenter pitch-string))
-	 (filled-circle (markup #:draw-circle radius 0 #t)))
+         (pitch (ly:event-property (event-cause grob) 'pitch))
+         (pitch-index (ly:pitch-notename pitch))
+         (note-names (ly:grob-property grob 'note-names))
+         (pitch-string (if (and (vector? note-names)
+                                (> (vector-length note-names) pitch-index))
+                           (vector-ref note-names pitch-index)
+                           (string
+                            (integer->char
+                             (+ (modulo (+ pitch-index 2) 7)
+                                (char->integer #\A))))))
+         (staff-space (ly:staff-symbol-staff-space grob))
+         (line-thickness (ly:staff-symbol-line-thickness grob))
+         (stem (ly:grob-object grob 'stem))
+         (stem-thickness (* (if (ly:grob? stem)
+                                (ly:grob-property stem 'thickness)
+                                1.3)
+                            line-thickness))
+         (radius (/ (+ staff-space line-thickness) 2))
+         (letter (markup #:center-align #:vcenter pitch-string))
+         (filled-circle (markup #:draw-circle radius 0 #t)))
 
     (ly:stencil-translate-axis
      (grob-interpret-markup
       grob
       (if (>= log 2)
-	  (make-combine-markup
-	   filled-circle
-	   (make-with-color-markup white letter))
-	  (make-combine-markup
-	   (make-combine-markup
-	    filled-circle
-	    (make-with-color-markup white (make-draw-circle-markup
-					   (- radius stem-thickness) 0 #t)))
-	   letter)))
+          (make-combine-markup
+           filled-circle
+           (make-with-color-markup white letter))
+          (make-combine-markup
+           (make-combine-markup
+            filled-circle
+            (make-with-color-markup white (make-draw-circle-markup
+                                           (- radius stem-thickness) 0 #t)))
+           letter)))
      radius X)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -455,14 +455,14 @@ and duration-log @var{log}."
 
 (define-public (rhythmic-location->file-string a)
   (ly:format "~a.~a.~a"
-	     (car a)
-	     (ly:moment-main-numerator (cdr a))
-	     (ly:moment-main-denominator (cdr a))))
+             (car a)
+             (ly:moment-main-numerator (cdr a))
+             (ly:moment-main-denominator (cdr a))))
 
 (define-public (rhythmic-location->string a)
   (ly:format "bar ~a ~a"
-	     (car a)
-	     (ly:moment->string (cdr a))))
+             (car a)
+             (ly:moment->string (cdr a))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; break visibility
@@ -483,7 +483,7 @@ and duration-log @var{log}."
 (define-public (shift-right-at-line-begin g)
   "Shift an item to the right, but only at the start of the line."
   (if (and (ly:item? g)
-	   (equal? (ly:item-break-dir g) RIGHT))
+           (equal? (ly:item-break-dir g) RIGHT))
       (ly:grob-translate-axis! g 3.5 X)))
 
 (define-public (pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line grob)
@@ -494,11 +494,11 @@ and duration-log @var{log}."
 (define-public (pure-from-neighbor-interface::extra-spacing-height grob)
   (let* ((height (ly:grob-pure-height grob grob 0 INFINITY-INT))
          (from-neighbors (interval-union
-                            height
-                            (ly:axis-group-interface::pure-height
-                              grob
-                              0
-                              INFINITY-INT))))
+                          height
+                          (ly:axis-group-interface::pure-height
+                           grob
+                           0
+                           INFINITY-INT))))
     (coord-operation - from-neighbors height)))
 
 ;; If there are neighbors, we place the height at their midpoint
@@ -528,7 +528,7 @@ and duration-log @var{log}."
          (ii (interval-intersection esh (cons -1.01 1.01))))
     (if (pair? hsb)
         (cons (car (if (and (car hsb)
-                       (ly:grob-property grob 'allow-span-bar))
+                            (ly:grob-property grob 'allow-span-bar))
                        esh ii))
               (cdr (if (cdr hsb) esh ii)))
         ii)))
@@ -537,8 +537,8 @@ and duration-log @var{log}."
   (let ((esh (pure-from-neighbor-interface::extra-spacing-height grob))
         (to-staff (coord-operation -
                                    (interval-widen
-                                     '(0 . 0)
-                                     (ly:staff-symbol-staff-radius grob))
+                                    '(0 . 0)
+                                    (ly:staff-symbol-staff-radius grob))
                                    (ly:grob::stencil-height grob))))
     (interval-union esh to-staff)))
 
@@ -556,8 +556,8 @@ and duration-log @var{log}."
   (let ((ev (event-cause grob)))
 
     (format #f "~a:~a"
-	    (ly:event-property ev 'denominator)
-	    (ly:event-property ev 'numerator))))
+            (ly:event-property ev 'denominator)
+            (ly:event-property ev 'numerator))))
 
 ;; a formatter function, which is simply a wrapper around an existing
 ;; tuplet formatter function. It takes the value returned by the given
@@ -566,21 +566,21 @@ and duration-log @var{log}."
   (let ((txt (if function (function grob) #f)))
 
     (if txt
-	(markup txt #:fontsize -5 #:note note UP)
-	(markup #:fontsize -5 #:note note UP))))
+        (markup txt #:fontsize -5 #:note note UP)
+        (markup #:fontsize -5 #:note note UP))))
 
 ;; Print a tuplet denominator with a different number than the one derived from
 ;; the actual tuplet fraction
 (define-public ((tuplet-number::non-default-tuplet-denominator-text denominator)
-		grob)
+                grob)
   (number->string (if denominator
-		      denominator
-		      (ly:event-property (event-cause grob) 'denominator))))
+                      denominator
+                      (ly:event-property (event-cause grob) 'denominator))))
 
 ;; Print a tuplet fraction with different numbers than the ones derived from
 ;; the actual tuplet fraction
 (define-public ((tuplet-number::non-default-tuplet-fraction-text
-		 denominator numerator) grob)
+                 denominator numerator) grob)
   (let* ((ev (event-cause grob))
          (den (if denominator denominator (ly:event-property ev 'denominator)))
          (num (if numerator numerator (ly:event-property ev 'numerator))))
@@ -590,7 +590,7 @@ and duration-log @var{log}."
 ;; Print a tuplet fraction with note durations appended to the numerator and the
 ;; denominator
 (define-public ((tuplet-number::fraction-with-notes
-		 denominatornote numeratornote) grob)
+                 denominatornote numeratornote) grob)
   (let* ((ev (event-cause grob))
          (denominator (ly:event-property ev 'denominator))
          (numerator (ly:event-property ev 'numerator)))
@@ -601,17 +601,17 @@ and duration-log @var{log}."
 ;; Print a tuplet fraction with note durations appended to the numerator and the
 ;; denominator
 (define-public ((tuplet-number::non-default-fraction-with-notes
-		 denominator denominatornote numerator numeratornote) grob)
+                 denominator denominatornote numerator numeratornote) grob)
   (let* ((ev (event-cause grob))
          (den (if denominator denominator (ly:event-property ev 'denominator)))
          (num (if numerator numerator (ly:event-property ev 'numerator))))
 
     (make-concat-markup (list
-			 (make-simple-markup (format #f "~a" den))
-			 (markup #:fontsize -5 #:note denominatornote UP)
-			 (make-simple-markup " : ")
-			 (make-simple-markup (format #f "~a" num))
-			 (markup #:fontsize -5 #:note numeratornote UP)))))
+                         (make-simple-markup (format #f "~a" den))
+                         (markup #:fontsize -5 #:note denominatornote UP)
+                         (make-simple-markup " : ")
+                         (make-simple-markup (format #f "~a" num))
+                         (markup #:fontsize -5 #:note numeratornote UP)))))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -625,7 +625,7 @@ and duration-log @var{log}."
 
 (define-public (rgb-color r g b) (list r g b))
 
-; predefined colors
+                                        ; predefined colors
 (define-public black       '(0.0 0.0 0.0))
 (define-public white       '(1.0 1.0 1.0))
 (define-public red         '(1.0 0.0 0.0))
@@ -648,30 +648,30 @@ and duration-log @var{log}."
 ;; key signature
 
 (define-public (key-signature-interface::alteration-positions
-		entry c0-position grob)
+                entry c0-position grob)
   (let ((step (car entry))
-	(alter (cdr entry)))
+        (alter (cdr entry)))
     (if (pair? step)
-	(list (+ (cdr step) (* (car step) 7) c0-position))
-	(let* ((c-position (modulo c0-position 7))
-	       (positions
-		(if (< alter 0)
-		    ;; See (flat|sharp)-positions in define-grob-properties.scm
-		    (ly:grob-property grob 'flat-positions '(3))
-		    (ly:grob-property grob 'sharp-positions '(3))))
-	       (p (list-ref positions
-			    (if (< c-position (length positions))
-				c-position 0)))
-	       (max-position (if (pair? p) (cdr p) p))
-	       (min-position (if (pair? p) (car p) (- max-position 6)))
-	       (first-position (+ (modulo (- (+ c-position step)
-					     min-position)
-					  7)
-				  min-position)))
-	  (define (prepend x l) (if (> x max-position)
-				    l
-				    (prepend (+ x 7) (cons x l))))
-	  (prepend first-position '())))))
+        (list (+ (cdr step) (* (car step) 7) c0-position))
+        (let* ((c-position (modulo c0-position 7))
+               (positions
+                (if (< alter 0)
+                    ;; See (flat|sharp)-positions in define-grob-properties.scm
+                    (ly:grob-property grob 'flat-positions '(3))
+                    (ly:grob-property grob 'sharp-positions '(3))))
+               (p (list-ref positions
+                            (if (< c-position (length positions))
+                                c-position 0)))
+               (max-position (if (pair? p) (cdr p) p))
+               (min-position (if (pair? p) (car p) (- max-position 6)))
+               (first-position (+ (modulo (- (+ c-position step)
+                                             min-position)
+                                          7)
+                                  min-position)))
+          (define (prepend x l) (if (> x max-position)
+                                    l
+                                    (prepend (+ x 7) (cons x l))))
+          (prepend first-position '())))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; annotations
@@ -688,9 +688,9 @@ and duration-log @var{log}."
                 idx
                 (- n 1))))
   (markup #:tiny (helper '("*" "†" "‡" "§" "¶")
-                          ""
-                          (remainder int 5)
-                          (+ 1 (quotient int 5)))))
+                         ""
+                         (remainder int 5)
+                         (+ 1 (quotient int 5)))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; accidentals
@@ -704,8 +704,8 @@ and duration-log @var{log}."
 
 (define-public accidental-interface::height
   (ly:make-unpure-pure-container
-    ly:accidental-interface::height
-    ly:accidental-interface::pure-height))
+   ly:accidental-interface::height
+   ly:accidental-interface::pure-height))
 
 (define-public cancellation-glyph-name-alist
   '((0 . "accidentals.natural")))
@@ -763,8 +763,8 @@ and duration-log @var{log}."
     (1/2 . "accidentals.mensural1")))
 
 (define-public alteration-kievan-glyph-name-alist
- '((-1/2 . "accidentals.kievanM1")
-   (1/2 . "accidentals.kievan1")))
+  '((-1/2 . "accidentals.kievanM1")
+    (1/2 . "accidentals.kievan1")))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; * Pitch Trill Heads
@@ -772,8 +772,8 @@ and duration-log @var{log}."
 
 (define-public (parentheses-item::calc-parenthesis-stencils grob)
   (let* ((font (ly:grob-default-font grob))
-	 (lp (ly:font-get-glyph font "accidentals.leftparen"))
-	 (rp (ly:font-get-glyph font "accidentals.rightparen")))
+         (lp (ly:font-get-glyph font "accidentals.leftparen"))
+         (rp (ly:font-get-glyph font "accidentals.rightparen")))
 
     (list lp rp)))
 
@@ -784,26 +784,26 @@ and duration-log @var{log}."
          (width 0.5) ; should it be a property?
          (angularity 1.5)  ; makes angle brackets
          (white-padding 0.1) ; should it be a property?
-	 (lp (ly:stencil-aligned-to
-                 (ly:stencil-aligned-to
-                   (make-parenthesis-stencil y-extent
-                                             half-thickness
-                                             (- width)
-                                             angularity)
-                   Y CENTER)
-                 X RIGHT))
+         (lp (ly:stencil-aligned-to
+              (ly:stencil-aligned-to
+               (make-parenthesis-stencil y-extent
+                                         half-thickness
+                                         (- width)
+                                         angularity)
+               Y CENTER)
+              X RIGHT))
          (lp-x-extent
-           (interval-widen (ly:stencil-extent lp X) white-padding))
-	 (rp (ly:stencil-aligned-to
-                 (ly:stencil-aligned-to
-                   (make-parenthesis-stencil y-extent
-                                             half-thickness
-                                             width
-                                             angularity)
-                   Y CENTER)
-                 X LEFT))
-          (rp-x-extent
-            (interval-widen (ly:stencil-extent rp X) white-padding)))
+          (interval-widen (ly:stencil-extent lp X) white-padding))
+         (rp (ly:stencil-aligned-to
+              (ly:stencil-aligned-to
+               (make-parenthesis-stencil y-extent
+                                         half-thickness
+                                         width
+                                         angularity)
+               Y CENTER)
+              X LEFT))
+         (rp-x-extent
+          (interval-widen (ly:stencil-extent rp X) white-padding)))
     (set! lp (ly:make-stencil (ly:stencil-expr lp)
                               lp-x-extent
                               (ly:stencil-extent lp Y)))
@@ -815,14 +815,14 @@ and duration-log @var{log}."
 
 (define (parenthesize-elements grob . rest)
   (let* ((refp (if (null? rest)
-		   grob
-		   (car rest)))
-	 (elts (ly:grob-object grob 'elements))
-	 (x-ext (ly:relative-group-extent elts refp X))
-	 (stencils (ly:grob-property grob 'stencils))
-	 (lp (car stencils))
-	 (rp (cadr stencils))
-	 (padding (ly:grob-property grob 'padding 0.1)))
+                   grob
+                   (car rest)))
+         (elts (ly:grob-object grob 'elements))
+         (x-ext (ly:relative-group-extent elts refp X))
+         (stencils (ly:grob-property grob 'stencils))
+         (lp (car stencils))
+         (rp (cadr stencils))
+         (padding (ly:grob-property grob 'padding 0.1)))
 
     (ly:stencil-add
      (ly:stencil-translate-axis lp (- (car x-ext) padding) X)
@@ -831,11 +831,11 @@ and duration-log @var{log}."
 
 (define-public (parentheses-item::print me)
   (let* ((elts (ly:grob-object me 'elements))
-	 (y-ref (ly:grob-common-refpoint-of-array me elts Y))
-	 (x-ref (ly:grob-common-refpoint-of-array me elts X))
-	 (stencil (parenthesize-elements me x-ref))
-	 (elt-y-ext (ly:relative-group-extent elts y-ref Y))
-	 (y-center (interval-center elt-y-ext)))
+         (y-ref (ly:grob-common-refpoint-of-array me elts Y))
+         (x-ref (ly:grob-common-refpoint-of-array me elts X))
+         (stencil (parenthesize-elements me x-ref))
+         (elt-y-ext (ly:relative-group-extent elts y-ref Y))
+         (y-center (interval-center elt-y-ext)))
 
     (ly:stencil-translate
      stencil
@@ -874,57 +874,57 @@ and duration-log @var{log}."
     (< (abs (- a b)) 0.01))
 
   (let* ((delta-y (* 0.5 (ly:grob-property spanner 'delta-position)))
-	 (left-span (ly:spanner-bound spanner LEFT))
-	 (dots (if (and (grob::has-interface left-span 'note-head-interface)
-			(ly:grob? (ly:grob-object left-span 'dot)))
-		   (ly:grob-object left-span 'dot) #f))
-
-	 (right-span (ly:spanner-bound spanner RIGHT))
-	 (thickness (* (ly:grob-property spanner 'thickness)
-		       (ly:output-def-lookup (ly:grob-layout spanner)
-					     'line-thickness)))
-	 (padding (ly:grob-property spanner 'padding 0.5))
-	 (common (ly:grob-common-refpoint right-span
-					  (ly:grob-common-refpoint spanner
-								   left-span X)
-					  X))
-	 (common-y (ly:grob-common-refpoint spanner left-span Y))
-	 (minimum-length (ly:grob-property spanner 'minimum-length 0.5))
-
-	 (left-x (+ padding
-		    (max
-		     (interval-end (ly:grob-robust-relative-extent
-				    left-span common X))
-		     (if
-		      (and dots
-			   (close
-			    (ly:grob-relative-coordinate dots common-y Y)
-			    (ly:grob-relative-coordinate spanner common-y Y)))
-		      (interval-end
-		       (ly:grob-robust-relative-extent dots common X))
-		      (- INFINITY-INT)))))
-	 (right-x (max (- (interval-start
-			   (ly:grob-robust-relative-extent right-span common X))
-			  padding)
-		       (+ left-x minimum-length)))
-	 (self-x (ly:grob-relative-coordinate spanner common X))
-	 (dx (- right-x left-x))
-	 (exp (list 'path thickness
-		    `(quote
-		      (rmoveto
-		       ,(- left-x self-x) 0
-
-		       rcurveto
-		       ,(/ dx 3)
-		       0
-		       ,dx ,(* 0.66 delta-y)
-		       ,dx ,delta-y)))))
+         (left-span (ly:spanner-bound spanner LEFT))
+         (dots (if (and (grob::has-interface left-span 'note-head-interface)
+                        (ly:grob? (ly:grob-object left-span 'dot)))
+                   (ly:grob-object left-span 'dot) #f))
+
+         (right-span (ly:spanner-bound spanner RIGHT))
+         (thickness (* (ly:grob-property spanner 'thickness)
+                       (ly:output-def-lookup (ly:grob-layout spanner)
+                                             'line-thickness)))
+         (padding (ly:grob-property spanner 'padding 0.5))
+         (common (ly:grob-common-refpoint right-span
+                                          (ly:grob-common-refpoint spanner
+                                                                   left-span X)
+                                          X))
+         (common-y (ly:grob-common-refpoint spanner left-span Y))
+         (minimum-length (ly:grob-property spanner 'minimum-length 0.5))
+
+         (left-x (+ padding
+                    (max
+                     (interval-end (ly:grob-robust-relative-extent
+                                    left-span common X))
+                     (if
+                      (and dots
+                           (close
+                            (ly:grob-relative-coordinate dots common-y Y)
+                            (ly:grob-relative-coordinate spanner common-y Y)))
+                      (interval-end
+                       (ly:grob-robust-relative-extent dots common X))
+                      (- INFINITY-INT)))))
+         (right-x (max (- (interval-start
+                           (ly:grob-robust-relative-extent right-span common X))
+                          padding)
+                       (+ left-x minimum-length)))
+         (self-x (ly:grob-relative-coordinate spanner common X))
+         (dx (- right-x left-x))
+         (exp (list 'path thickness
+                    `(quote
+                      (rmoveto
+                       ,(- left-x self-x) 0
+
+                       rcurveto
+                       ,(/ dx 3)
+                       0
+                       ,dx ,(* 0.66 delta-y)
+                       ,dx ,delta-y)))))
 
     (ly:make-stencil
      exp
      (cons (- left-x self-x) (- right-x self-x))
      (cons (min 0 delta-y)
-	   (max 0 delta-y)))))
+           (max 0 delta-y)))))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -932,24 +932,24 @@ and duration-log @var{log}."
 
 (define-public (grace-spacing::calc-shortest-duration grob)
   (let* ((cols (ly:grob-object grob 'columns))
-	 (get-difference
-	  (lambda (idx)
-	    (ly:moment-sub (ly:grob-property
-			    (ly:grob-array-ref cols (1+ idx)) 'when)
-			   (ly:grob-property
-			    (ly:grob-array-ref cols idx) 'when))))
-
-	 (moment-min (lambda (x y)
-		       (cond
-			((and x y)
-			 (if (ly:moment<? x y)
-			     x
-			     y))
-			(x x)
-			(y y)))))
+         (get-difference
+          (lambda (idx)
+            (ly:moment-sub (ly:grob-property
+                            (ly:grob-array-ref cols (1+ idx)) 'when)
+                           (ly:grob-property
+                            (ly:grob-array-ref cols idx) 'when))))
+
+         (moment-min (lambda (x y)
+                       (cond
+                        ((and x y)
+                         (if (ly:moment<? x y)
+                             x
+                             y))
+                        (x x)
+                        (y y)))))
 
     (fold moment-min #f (map get-difference
-			     (iota (1- (ly:grob-array-length cols)))))))
+                             (iota (1- (ly:grob-array-length cols)))))))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -968,8 +968,8 @@ and duration-log @var{log}."
 (define-public (stroke-finger::calc-text grob)
   (let ((event (event-cause grob)))
     (or (ly:event-property event 'text #f)
-	(vector-ref (ly:grob-property grob 'digit-names)
-		    (1- (max 1
+        (vector-ref (ly:grob-property grob 'digit-names)
+                    (1- (max 1
                              (min 5 (ly:event-property event 'digit))))))))
 
 
@@ -989,18 +989,18 @@ changing @code{'attach-dir} and @code{'padding}.  Reads the
 between the two text elements."
   (let ((left-bound (ly:spanner-bound grob LEFT)))
     (if (grob::has-interface left-bound 'dynamic-text-interface)
-	(let* ((details (ly:grob-property grob 'bound-details))
-	       (left-details (ly:assoc-get 'left details))
-	       (my-padding (ly:assoc-get 'padding left-details))
-	       (script-padding (ly:grob-property left-bound 'right-padding 0)))
-
-	  (and (number? my-padding)
-	       (ly:grob-set-nested-property! grob
-					     '(bound-details left attach-dir)
-					     RIGHT)
-	       (ly:grob-set-nested-property! grob
-					     '(bound-details left padding)
-					     (+ my-padding script-padding)))))))
+        (let* ((details (ly:grob-property grob 'bound-details))
+               (left-details (ly:assoc-get 'left details))
+               (my-padding (ly:assoc-get 'padding left-details))
+               (script-padding (ly:grob-property left-bound 'right-padding 0)))
+
+          (and (number? my-padding)
+               (ly:grob-set-nested-property! grob
+                                             '(bound-details left attach-dir)
+                                             RIGHT)
+               (ly:grob-set-nested-property! grob
+                                             '(bound-details left padding)
+                                             (+ my-padding script-padding)))))))
 
 (define-public ((elbowed-hairpin coords mirrored?) grob)
   "Create hairpin based on a list of @var{coords} in @code{(cons x y)}
@@ -1028,39 +1028,39 @@ and draws the stencil based on its coordinates.
     (list (car pair) (cdr pair)))
   (define (normalize-coords goods x y)
     (map
-      (lambda (coord)
-        (cons (* x (car coord)) (* y (cdr coord))))
-      goods))
+     (lambda (coord)
+       (cons (* x (car coord)) (* y (cdr coord))))
+     goods))
   (define (my-c-p-s points thick decresc?)
     (make-connected-path-stencil
-      points
-      thick
-      (if decresc? -1.0 1.0)
-      1.0
-      #f
-      #f))
-  ; outer let to trigger suicide
+     points
+     thick
+     (if decresc? -1.0 1.0)
+     1.0
+     #f
+     #f))
+                                        ; outer let to trigger suicide
   (let ((sten (ly:hairpin::print grob)))
     (if (grob::is-live? grob)
-      (let* ((decresc? (eq? (ly:grob-property grob 'grow-direction) LEFT))
-             (thick (ly:grob-property grob 'thickness 0.1))
-             (thick (* thick (layout-line-thickness grob)))
-             (xex (ly:stencil-extent sten X))
-             (lenx (interval-length xex))
-             (yex (ly:stencil-extent sten Y))
-             (leny (interval-length yex))
-             (xtrans (+ (car xex) (if decresc? lenx 0)))
-             (ytrans (car yex))
-             (uplist (map pair-to-list
-                          (normalize-coords coords lenx (/ leny 2))))
-             (downlist (map pair-to-list
-                            (normalize-coords coords lenx (/ leny -2)))))
-      (ly:stencil-translate
-        (ly:stencil-add
-          (my-c-p-s uplist thick decresc?)
-          (if mirrored? (my-c-p-s downlist thick decresc?) empty-stencil))
-        (cons xtrans ytrans)))
-      '())))
+        (let* ((decresc? (eq? (ly:grob-property grob 'grow-direction) LEFT))
+               (thick (ly:grob-property grob 'thickness 0.1))
+               (thick (* thick (layout-line-thickness grob)))
+               (xex (ly:stencil-extent sten X))
+               (lenx (interval-length xex))
+               (yex (ly:stencil-extent sten Y))
+               (leny (interval-length yex))
+               (xtrans (+ (car xex) (if decresc? lenx 0)))
+               (ytrans (car yex))
+               (uplist (map pair-to-list
+                            (normalize-coords coords lenx (/ leny 2))))
+               (downlist (map pair-to-list
+                              (normalize-coords coords lenx (/ leny -2)))))
+          (ly:stencil-translate
+           (ly:stencil-add
+            (my-c-p-s uplist thick decresc?)
+            (if mirrored? (my-c-p-s downlist thick decresc?) empty-stencil))
+           (cons xtrans ytrans)))
+        '())))
 
 (define-public flared-hairpin
   (elbowed-hairpin '((0.95 . 0.4) (1.0 . 1.0)) #t))
@@ -1077,8 +1077,8 @@ and draws the stencil based on its coordinates.
   (let ((text (ly:grob-property grob 'text)))
 
     (grob-interpret-markup grob (if (string? text)
-				    (make-tied-lyric-markup text)
-				    text))))
+                                    (make-tied-lyric-markup text)
+                                    text))))
 
 (define-public ((grob::calc-property-by-copy prop) grob)
   (ly:event-property (event-cause grob) prop))
@@ -1112,8 +1112,8 @@ parent or the parent has no setting."
 
 (define-public slur::height
   (ly:make-unpure-pure-container
-    ly:slur::height
-    ly:slur::pure-height))
+   ly:slur::height
+   ly:slur::pure-height))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; scripts
@@ -1121,10 +1121,10 @@ parent or the parent has no setting."
 (define-public (script-interface::calc-x-offset grob)
   (ly:grob-property grob 'positioning-done)
   (let* ((shift (ly:grob-property grob 'toward-stem-shift 0.0))
-	 (note-head-location
-	  (ly:self-alignment-interface::centered-on-x-parent grob))
-	 (note-head-grob (ly:grob-parent grob X))
-	 (stem-grob (ly:grob-object note-head-grob 'stem)))
+         (note-head-location
+          (ly:self-alignment-interface::centered-on-x-parent grob))
+         (note-head-grob (ly:grob-parent grob X))
+         (stem-grob (ly:grob-object note-head-grob 'stem)))
 
     (+ note-head-location
        ;; If the property 'toward-stem-shift is defined and the script
@@ -1132,15 +1132,15 @@ parent or the parent has no setting."
        ;; Since scripts can also be over skips, we need to check whether
        ;; the grob has a stem at all.
        (if (ly:grob? stem-grob)
-	   (let ((dir1 (ly:grob-property grob 'direction))
-		 (dir2 (ly:grob-property stem-grob 'direction)))
-	     (if (equal? dir1 dir2)
-		 (let* ((common-refp (ly:grob-common-refpoint grob stem-grob X))
-			(stem-location
-			 (ly:grob-relative-coordinate stem-grob common-refp X)))
-		   (* shift (- stem-location note-head-location)))
-		 0.0))
-	   0.0))))
+           (let ((dir1 (ly:grob-property grob 'direction))
+                 (dir2 (ly:grob-property stem-grob 'direction)))
+             (if (equal? dir1 dir2)
+                 (let* ((common-refp (ly:grob-common-refpoint grob stem-grob X))
+                        (stem-location
+                         (ly:grob-relative-coordinate stem-grob common-refp X)))
+                   (* shift (- stem-location note-head-location)))
+                 0.0))
+           0.0))))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -1148,48 +1148,48 @@ parent or the parent has no setting."
 
 (define-public (system-start-text::print grob)
   (let* ((left-bound (ly:spanner-bound grob LEFT))
-	 (left-mom (ly:grob-property left-bound 'when))
-	 (name (if (moment<=? left-mom ZERO-MOMENT)
-		   (ly:grob-property grob 'long-text)
-		   (ly:grob-property grob 'text))))
+         (left-mom (ly:grob-property left-bound 'when))
+         (name (if (moment<=? left-mom ZERO-MOMENT)
+                   (ly:grob-property grob 'long-text)
+                   (ly:grob-property grob 'text))))
 
     (if (and (markup? name)
-	     (!= (ly:item-break-dir left-bound) CENTER))
+             (!= (ly:item-break-dir left-bound) CENTER))
 
-	(grob-interpret-markup grob name)
-	(ly:grob-suicide! grob))))
+        (grob-interpret-markup grob name)
+        (ly:grob-suicide! grob))))
 
 (define-public (system-start-text::calc-x-offset grob)
   (let* ((left-bound (ly:spanner-bound grob LEFT))
-	 (left-mom (ly:grob-property left-bound 'when))
-	 (layout (ly:grob-layout grob))
-	 (indent (ly:output-def-lookup layout
-				       (if (moment<=? left-mom ZERO-MOMENT)
-					   'indent
-					   'short-indent)
-				       0.0))
-	 (system (ly:grob-system grob))
-	 (my-extent (ly:grob-extent grob system X))
-	 (elements (ly:grob-object system 'elements))
-	 (common (ly:grob-common-refpoint-of-array system elements X))
-	 (total-ext empty-interval)
-	 (align-x (ly:grob-property grob 'self-alignment-X 0))
-	 (padding (min 0 (- (interval-length my-extent) indent)))
-	 (right-padding (- padding
-			   (/ (* padding (1+ align-x)) 2))))
+         (left-mom (ly:grob-property left-bound 'when))
+         (layout (ly:grob-layout grob))
+         (indent (ly:output-def-lookup layout
+                                       (if (moment<=? left-mom ZERO-MOMENT)
+                                           'indent
+                                           'short-indent)
+                                       0.0))
+         (system (ly:grob-system grob))
+         (my-extent (ly:grob-extent grob system X))
+         (elements (ly:grob-object system 'elements))
+         (common (ly:grob-common-refpoint-of-array system elements X))
+         (total-ext empty-interval)
+         (align-x (ly:grob-property grob 'self-alignment-X 0))
+         (padding (min 0 (- (interval-length my-extent) indent)))
+         (right-padding (- padding
+                           (/ (* padding (1+ align-x)) 2))))
 
     ;; compensate for the variation in delimiter extents by
     ;; calculating an X-offset correction based on united extents
     ;; of all delimiters in this system
     (let unite-delims ((l (ly:grob-array-length elements)))
       (if (> l 0)
-	  (let ((elt (ly:grob-array-ref elements (1- l))))
+          (let ((elt (ly:grob-array-ref elements (1- l))))
 
-	    (if (grob::has-interface elt 'system-start-delimiter-interface)
-		(let ((dims (ly:grob-extent elt common X)))
-		  (if (interval-sane? dims)
-		      (set! total-ext (interval-union total-ext dims)))))
-	    (unite-delims (1- l)))))
+            (if (grob::has-interface elt 'system-start-delimiter-interface)
+                (let ((dims (ly:grob-extent elt common X)))
+                  (if (interval-sane? dims)
+                      (set! total-ext (interval-union total-ext dims)))))
+            (unite-delims (1- l)))))
 
     (+
      (ly:side-position-interface::x-aligned-side grob)
@@ -1205,25 +1205,25 @@ parent or the parent has no setting."
                (ly:grob-array->list elements))))
 
   (let* ((left-bound (ly:spanner-bound grob LEFT))
-	 (live-elts (live-elements-list grob))
-	 (system (ly:grob-system grob))
-	 (extent empty-interval))
+         (live-elts (live-elements-list grob))
+         (system (ly:grob-system grob))
+         (extent empty-interval))
 
     (if (and (pair? live-elts)
-	     (interval-sane? (ly:grob-extent grob system Y)))
-	(let get-extent ((lst live-elts))
-	  (if (pair? lst)
-	      (let ((axis-group (car lst)))
-
-		(if (and (ly:spanner? axis-group)
-			 (equal? (ly:spanner-bound axis-group LEFT)
-				 left-bound))
-		    (set! extent (add-point extent
-					    (ly:grob-relative-coordinate
-					     axis-group system Y))))
-		(get-extent (cdr lst)))))
-	;; no live axis group(s) for this instrument name -> remove from system
-	(ly:grob-suicide! grob))
+             (interval-sane? (ly:grob-extent grob system Y)))
+        (let get-extent ((lst live-elts))
+          (if (pair? lst)
+              (let ((axis-group (car lst)))
+
+                (if (and (ly:spanner? axis-group)
+                         (equal? (ly:spanner-bound axis-group LEFT)
+                                 left-bound))
+                    (set! extent (add-point extent
+                                            (ly:grob-relative-coordinate
+                                             axis-group system Y))))
+                (get-extent (cdr lst)))))
+        ;; no live axis group(s) for this instrument name -> remove from system
+        (ly:grob-suicide! grob))
 
     (+
      (ly:self-alignment-interface::y-aligned-on-self grob)
@@ -1235,8 +1235,8 @@ parent or the parent has no setting."
 
 (define-public axis-group-interface::height
   (ly:make-unpure-pure-container
-    ly:axis-group-interface::height
-    ly:axis-group-interface::pure-height))
+   ly:axis-group-interface::height
+   ly:axis-group-interface::pure-height))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; ambitus
@@ -1245,32 +1245,32 @@ parent or the parent has no setting."
   (let ((heads (ly:grob-object grob 'note-heads)))
 
     (if (and (ly:grob-array? heads)
-	     (= (ly:grob-array-length heads) 2))
-	(let* ((common (ly:grob-common-refpoint-of-array grob heads Y))
-	       (head-down (ly:grob-array-ref heads 0))
-	       (head-up (ly:grob-array-ref heads 1))
-	       (gap (ly:grob-property grob 'gap 0.35))
-	       (point-min (+ (interval-end (ly:grob-extent head-down common Y))
-			     gap))
-	       (point-max (- (interval-start (ly:grob-extent head-up common Y))
-			     gap)))
-
-	  (if (< point-min point-max)
-	      (let* ((layout (ly:grob-layout grob))
-		     (line-thick (ly:output-def-lookup layout 'line-thickness))
-		     (blot (ly:output-def-lookup layout 'blot-diameter))
-		     (grob-thick (ly:grob-property grob 'thickness 2))
-		     (width (* line-thick grob-thick))
-		     (x-ext (symmetric-interval (/ width 2)))
-		     (y-ext (cons point-min point-max))
-		     (line (ly:round-filled-box x-ext y-ext blot))
-		     (y-coord (ly:grob-relative-coordinate grob common Y)))
-
-		(ly:stencil-translate-axis line (- y-coord) Y))
-	      empty-stencil))
-	(begin
-	  (ly:grob-suicide! grob)
-	  (list)))))
+             (= (ly:grob-array-length heads) 2))
+        (let* ((common (ly:grob-common-refpoint-of-array grob heads Y))
+               (head-down (ly:grob-array-ref heads 0))
+               (head-up (ly:grob-array-ref heads 1))
+               (gap (ly:grob-property grob 'gap 0.35))
+               (point-min (+ (interval-end (ly:grob-extent head-down common Y))
+                             gap))
+               (point-max (- (interval-start (ly:grob-extent head-up common Y))
+                             gap)))
+
+          (if (< point-min point-max)
+              (let* ((layout (ly:grob-layout grob))
+                     (line-thick (ly:output-def-lookup layout 'line-thickness))
+                     (blot (ly:output-def-lookup layout 'blot-diameter))
+                     (grob-thick (ly:grob-property grob 'thickness 2))
+                     (width (* line-thick grob-thick))
+                     (x-ext (symmetric-interval (/ width 2)))
+                     (y-ext (cons point-min point-max))
+                     (line (ly:round-filled-box x-ext y-ext blot))
+                     (y-coord (ly:grob-relative-coordinate grob common Y)))
+
+                (ly:stencil-translate-axis line (- y-coord) Y))
+              empty-stencil))
+        (begin
+          (ly:grob-suicide! grob)
+          (list)))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;  laissez-vibrer tie
@@ -1278,7 +1278,7 @@ parent or the parent has no setting."
 ;;  needed so we can make laissez-vibrer a pure print
 ;;
 (define-public (laissez-vibrer::print grob)
- (ly:tie::print grob))
+  (ly:tie::print grob))
 
 (define-public (semi-tie::calc-cross-staff grob)
   (let* ((note-head (ly:grob-object grob 'note-head))
@@ -1292,7 +1292,7 @@ parent or the parent has no setting."
 (define-public (volta-bracket-interface::pure-height grob start end)
   (let ((edge-height (ly:grob-property grob 'edge-height)))
     (if (number-pair? edge-height)
-	(let ((smaller (min (car edge-height) (cdr edge-height)))
-	      (larger (max (car edge-height) (cdr edge-height))))
-	  (interval-union '(0 . 0) (cons smaller larger)))
-	'(0 . 0))))
+        (let ((smaller (min (car edge-height) (cdr edge-height)))
+              (larger (max (car edge-height) (cdr edge-height))))
+          (interval-union '(0 . 0) (cons smaller larger)))
+        '(0 . 0))))
diff --git a/scm/output-ps.scm b/scm/output-ps.scm
index dd92175feb..813211f060 100644
--- a/scm/output-ps.scm
+++ b/scm/output-ps.scm
@@ -28,12 +28,12 @@
   #:re-export (quote))
 
 (use-modules (guile)
-	     (ice-9 regex)
-	     (ice-9 optargs)
-	     (srfi srfi-1)
-	     (srfi srfi-13)
-	     (scm framework-ps)
-	     (lily))
+             (ice-9 regex)
+             (ice-9 optargs)
+             (srfi srfi-1)
+             (srfi srfi-13)
+             (scm framework-ps)
+             (lily))
 
 ;;; helper functions, not part of output interface
 ;;;
@@ -45,10 +45,10 @@
 (define (str4 num)
   (if (or (nan? num) (inf? num))
       (begin
-	(ly:warning (_ "Found infinity or nan in output.  Substituting 0.0"))
-	(if (ly:get-option 'strict-infinity-checking)
-	    (exit 1))
-	"0.0")
+        (ly:warning (_ "Found infinity or nan in output.  Substituting 0.0"))
+        (if (ly:get-option 'strict-infinity-checking)
+            (exit 1))
+        "0.0")
       (ly:number->string num)))
 
 (define (number-pair->string4 numpair)
@@ -60,15 +60,15 @@
 
 (define (char font i)
   (ly:format "~a (\\~a) show"
-   (ps-font-command font)
-   (ly:inexact->string i 8)))
+             (ps-font-command font)
+             (ly:inexact->string i 8)))
 
 (define (circle radius thick fill)
   (ly:format
    "~a ~4f ~4f draw_circle"
    (if fill
-     "true"
-     "false")
+       "true"
+       "false")
    radius thick))
 
 (define (start-enclosing-id-node s)
@@ -79,34 +79,34 @@
 
 (define (dashed-line thick on off dx dy phase)
   (ly:format "~4f ~4f ~4f [ ~4f ~4f ] ~4f draw_dashed_line"
-   dx
-   dy
-   thick
-   on
-   off
-   phase))
+             dx
+             dy
+             thick
+             on
+             off
+             phase))
 
 (define (draw-line thick x1 y1 x2 y2)
   (ly:format "~4f ~4f ~4f ~4f ~4f draw_line"
-	  (- x2 x1) (- y2 y1)
-	  x1 y1 thick))
+             (- x2 x1) (- y2 y1)
+             x1 y1 thick))
 
 (define (partial-ellipse x-radius y-radius start-angle end-angle thick connect fill)
   (ly:format "~a ~a ~4f ~4f ~4f ~4f ~4f draw_partial_ellipse"
-        (if fill "true" "false")
-	(if connect "true" "false")
-	x-radius
-	y-radius
-	start-angle
-	end-angle
-	thick))
+             (if fill "true" "false")
+             (if connect "true" "false")
+             x-radius
+             y-radius
+             start-angle
+             end-angle
+             thick))
 
 (define (ellipse x-radius y-radius thick fill)
   (ly:format
    "~a ~4f ~4f ~4f draw_ellipse"
    (if fill
-     "true"
-     "false")
+       "true"
+       "false")
    x-radius y-radius thick))
 
 (define (embedded-ps string)
@@ -114,78 +114,78 @@
 
 (define (glyph-string pango-font
                       postscript-font-name
-		      size
-		      cid?
-		      w-x-y-named-glyphs)
+                      size
+                      cid?
+                      w-x-y-named-glyphs)
 
   (define (glyph-spec w h x y g) ; h not used
     (let ((prefix (if (string? g) "/" "")))
       (ly:format "~4f ~4f ~4f ~a~a"
-		 w x y
-		 prefix g)))
+                 w x y
+                 prefix g)))
 
   (ly:format
    (if cid?
-"/~a /CIDFont findresource ~a output-scale div scalefont setfont
+       "/~a /CIDFont findresource ~a output-scale div scalefont setfont
 ~a
 ~a print_glyphs"
 
-"/~a ~a output-scale div selectfont
+       "/~a ~a output-scale div selectfont
 ~a
 ~a print_glyphs")
-	  postscript-font-name
-	  size
-	  (string-join (map (lambda (x) (apply glyph-spec x))
-			    (reverse w-x-y-named-glyphs)) "\n")
-	  (length w-x-y-named-glyphs)))
+   postscript-font-name
+   size
+   (string-join (map (lambda (x) (apply glyph-spec x))
+                     (reverse w-x-y-named-glyphs)) "\n")
+   (length w-x-y-named-glyphs)))
 
 
 (define (grob-cause offset grob)
   (if (ly:get-option 'point-and-click)
       (let* ((cause (ly:grob-property grob 'cause))
-	     (music-origin (if (ly:stream-event? cause)
-			       (ly:event-property cause 'origin)))
-	     (point-and-click (ly:get-option 'point-and-click)))
-	(if (and
-	     (ly:input-location? music-origin)
-	     (cond ((boolean? point-and-click) point-and-click)
-		   ((symbol? point-and-click)
-		    (ly:in-event-class? cause point-and-click))
-		   (else (any (lambda (t)
-				(ly:in-event-class? cause t))
-			      point-and-click))))
-	    (let* ((location (ly:input-file-line-char-column music-origin))
-		   (raw-file (car location))
-		   (file (if (is-absolute? raw-file)
-			     raw-file
-			     (string-append (ly-getcwd) "/" raw-file)))
-		   (x-ext (ly:grob-extent grob grob X))
-		   (y-ext (ly:grob-extent grob grob Y)))
-
-	      (if (and (< 0 (interval-length x-ext))
-		       (< 0 (interval-length y-ext)))
-		  (ly:format "~4f ~4f ~4f ~4f (textedit://~a:~a:~a:~a) mark_URI\n"
-			     (+ (car offset) (car x-ext))
-			     (+ (cdr offset) (car y-ext))
-			     (+ (car offset) (cdr x-ext))
-			     (+ (cdr offset) (cdr y-ext))
-
-			     ;; Backslashes are not valid
-			     ;; file URI path separators.
-			     (ly:string-percent-encode
-			       (ly:string-substitute "\\" "/" file))
-
-			     (cadr location)
-			     (caddr location)
-			     (1+ (cadddr location)))
-		  ""))
-	    ""))
+             (music-origin (if (ly:stream-event? cause)
+                               (ly:event-property cause 'origin)))
+             (point-and-click (ly:get-option 'point-and-click)))
+        (if (and
+             (ly:input-location? music-origin)
+             (cond ((boolean? point-and-click) point-and-click)
+                   ((symbol? point-and-click)
+                    (ly:in-event-class? cause point-and-click))
+                   (else (any (lambda (t)
+                                (ly:in-event-class? cause t))
+                              point-and-click))))
+            (let* ((location (ly:input-file-line-char-column music-origin))
+                   (raw-file (car location))
+                   (file (if (is-absolute? raw-file)
+                             raw-file
+                             (string-append (ly-getcwd) "/" raw-file)))
+                   (x-ext (ly:grob-extent grob grob X))
+                   (y-ext (ly:grob-extent grob grob Y)))
+
+              (if (and (< 0 (interval-length x-ext))
+                       (< 0 (interval-length y-ext)))
+                  (ly:format "~4f ~4f ~4f ~4f (textedit://~a:~a:~a:~a) mark_URI\n"
+                             (+ (car offset) (car x-ext))
+                             (+ (cdr offset) (car y-ext))
+                             (+ (car offset) (cdr x-ext))
+                             (+ (cdr offset) (cdr y-ext))
+
+                             ;; Backslashes are not valid
+                             ;; file URI path separators.
+                             (ly:string-percent-encode
+                              (ly:string-substitute "\\" "/" file))
+
+                             (cadr location)
+                             (caddr location)
+                             (1+ (cadddr location)))
+                  ""))
+            ""))
       ""))
 
 (define (named-glyph font glyph)
   (ly:format "~a /~a glyphshow " ;;Why is there a space at the end?
-	     (ps-font-command font)
-	     glyph))
+             (ps-font-command font)
+             glyph))
 
 (define (no-origin)
   "")
@@ -197,24 +197,24 @@
 
 (define (polygon points blot-diameter filled?)
   (ly:format "~a ~4l ~a ~4f draw_polygon"
-	     (if filled? "true" "false")
-	     points
-	     (- (/ (length points) 2) 1)
-	     blot-diameter))
+             (if filled? "true" "false")
+             points
+             (- (/ (length points) 2) 1)
+             blot-diameter))
 
 (define (round-filled-box left right bottom top blotdiam)
   (let* ((halfblot (/ blotdiam 2))
-	 (x (- halfblot left))
-	 (width (- right (+ halfblot x)))
-	 (y (- halfblot bottom))
-	 (height (- top (+ halfblot y))))
+         (x (- halfblot left))
+         (width (- right (+ halfblot x)))
+         (y (- halfblot bottom))
+         (height (- top (+ halfblot y))))
     (ly:format  "~4l draw_round_box"
-		(list width height x y blotdiam))))
+                (list width height x y blotdiam))))
 
 ;; save current color on stack and set new color
 (define (setcolor r g b)
   (ly:format "gsave ~4l setrgbcolor\n"
-	      (list r g b)))
+             (list r g b)))
 
 ;; restore color from stack
 (define (resetcolor) "grestore\n")
@@ -222,9 +222,9 @@
 ;; rotation around given point
 (define (setrotation ang x y)
   (ly:format "gsave ~4l translate ~a rotate ~4l translate\n"
-	     (list x y)
-	     ang
-	     (list (* -1 x) (* -1 y))))
+             (list x y)
+             ang
+             (list (* -1 x) (* -1 y))))
 
 (define (resetrotation ang x y)
   "grestore  ")
@@ -234,55 +234,55 @@
 
 (define (url-link url x y)
   (ly:format "~a ~a currentpoint vector_add  ~a ~a currentpoint vector_add (~a) mark_URI"
-	     (car x)
-	     (car y)
-	     (cdr x)
-	     (cdr y)
-	     url))
+             (car x)
+             (car y)
+             (cdr x)
+             (cdr y)
+             url))
 
 (define (page-link page-no x y)
   (if (number? page-no)
-    (ly:format "~a ~a currentpoint vector_add  ~a ~a currentpoint vector_add ~a mark_page_link"
-	       (car x)
-	       (car y)
-	       (cdr x)
-	       (cdr y)
-	       page-no)
-    ""))
+      (ly:format "~a ~a currentpoint vector_add  ~a ~a currentpoint vector_add ~a mark_page_link"
+                 (car x)
+                 (car y)
+                 (cdr x)
+                 (cdr y)
+                 page-no)
+      ""))
 
 (define* (path thickness exps #:optional (cap 'round) (join 'round) (fill? #f))
   (define (convert-path-exps exps)
     (if (pair? exps)
-	(let*
-	    ((head (car exps))
-	     (rest (cdr exps))
-	     (arity
-	      (cond
-	       ((memq head '(rmoveto rlineto lineto moveto)) 2)
-	       ((memq head '(rcurveto curveto)) 6)
-	       ((eq? head 'closepath) 0)
-	       (else 1)))
-	     (args (take rest arity))
-	     )
-
-	  ;; WARNING: this is a vulnerability: a user can output arbitrary PS code here.
-	  (cons (ly:format
-			"~l ~a "
-			args
-			head)
-		(convert-path-exps (drop rest arity))))
-	'()))
+        (let*
+            ((head (car exps))
+             (rest (cdr exps))
+             (arity
+              (cond
+               ((memq head '(rmoveto rlineto lineto moveto)) 2)
+               ((memq head '(rcurveto curveto)) 6)
+               ((eq? head 'closepath) 0)
+               (else 1)))
+             (args (take rest arity))
+             )
+
+          ;; WARNING: this is a vulnerability: a user can output arbitrary PS code here.
+          (cons (ly:format
+                 "~l ~a "
+                 args
+                 head)
+                (convert-path-exps (drop rest arity))))
+        '()))
 
   (let ((cap-numeric (case cap ((butt) 0) ((round) 1) ((square) 2)
-		       (else (begin
-			       (ly:warning (_ "unknown line-cap-style: ~S")
-					   (symbol->string cap))
-			       1))))
-	(join-numeric (case join ((miter) 0) ((round) 1) ((bevel) 2)
-			(else (begin
-				(ly:warning (_ "unknown line-join-style: ~S")
-					    (symbol->string join))
-				1)))))
+                           (else (begin
+                                   (ly:warning (_ "unknown line-cap-style: ~S")
+                                               (symbol->string cap))
+                                   1))))
+        (join-numeric (case join ((miter) 0) ((round) 1) ((bevel) 2)
+                            (else (begin
+                                    (ly:warning (_ "unknown line-join-style: ~S")
+                                                (symbol->string join))
+                                    1)))))
     (ly:format
      "gsave currentpoint translate
 ~a setlinecap ~a setlinejoin ~a setlinewidth
@@ -295,7 +295,7 @@
 
 (define (setscale x y)
   (ly:format "gsave ~4l scale\n"
-	      (list x y)))
+             (list x y)))
 
 (define (resetscale)
   "grestore\n")
diff --git a/scm/output-socket.scm b/scm/output-socket.scm
index 352ff2989d..3532fc9732 100644
--- a/scm/output-socket.scm
+++ b/scm/output-socket.scm
@@ -6,43 +6,43 @@
   #:re-export (quote))
 
 (use-modules (guile)
-	     (srfi srfi-1)
-	     (srfi srfi-13)
-	     (lily))
+             (srfi srfi-1)
+             (srfi srfi-13)
+             (lily))
 
 
 (define format ergonomic-simple-format)
 
 (define (event-cause grob)
   (let*
-    ((cause (ly:grob-property grob 'cause)))
+      ((cause (ly:grob-property grob 'cause)))
 
     (if (ly:stream-event? cause)
-	cause
-	#f)))
+        cause
+        #f)))
 
 (define (grob-bbox grob offset)
   (let*
-    ((x-ext (ly:grob-extent grob grob X))
-     (y-ext (ly:grob-extent grob grob Y))
-     (x (car offset))
-     (y (cdr offset)))
+      ((x-ext (ly:grob-extent grob grob X))
+       (y-ext (ly:grob-extent grob grob Y))
+       (x (car offset))
+       (y (cdr offset)))
 
     (if (interval-empty? x-ext)
-	(set! x-ext '(0 . 0)))
+        (set! x-ext '(0 . 0)))
 
     (if (interval-empty? y-ext)
-	(set! y-ext '(0 . 0)))
+        (set! y-ext '(0 . 0)))
 
     (list (+ x (car x-ext))
-	  (+ y (car y-ext))
-	  (+ x (cdr x-ext))
-	  (+ y (cdr y-ext)))))
+          (+ y (car y-ext))
+          (+ x (cdr x-ext))
+          (+ y (cdr y-ext)))))
 
 (define (escape-string str)
   (string-regexp-substitute
-    " " "\\040"
-    (string-regexp-substitute "\"" "\\\"" str)))
+   " " "\\040"
+   (string-regexp-substitute "\"" "\\\"" str)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;; stencil commands
@@ -50,26 +50,26 @@
 
 (define (draw-line thick x1 y1 x2 y2)
   (format #f "drawline ~a ~a ~a ~a ~a"
-	  thick x1 y2 x2 y2))
+          thick x1 y2 x2 y2))
 
 (define (grob-cause offset grob)
   (let*
-    ((cause (event-cause grob))
-     (tag (if (and cause (integer? (ly:event-property cause 'input-tag)))
-	      (ly:event-property cause 'input-tag)
-	      -1))
-     (name (assoc-get 'name (ly:grob-property grob 'meta))))
+      ((cause (event-cause grob))
+       (tag (if (and cause (integer? (ly:event-property cause 'input-tag)))
+                (ly:event-property cause 'input-tag)
+                -1))
+       (name (assoc-get 'name (ly:grob-property grob 'meta))))
 
     (apply format #f
-	   "cause ~a \"~a\" ~a ~a ~a ~a\n" tag name
-	   (grob-bbox grob offset))))
+           "cause ~a \"~a\" ~a ~a ~a ~a\n" tag name
+           (grob-bbox grob offset))))
 
 (define (named-glyph font glyph)
   (format #f "glyphshow ~a \"~a\" ~a \"~a\""
-	  (ly:font-glyph-name-to-charcode font glyph)
-	  (ly:font-name font)
-	  (modified-font-metric-font-scaling font)
-	  glyph))
+          (ly:font-glyph-name-to-charcode font glyph)
+          (ly:font-name font)
+          (modified-font-metric-font-scaling font)
+          glyph))
 
 (define (no-origin)
   "nocause\n")
@@ -81,16 +81,16 @@
 
 (define (polygon xy-coords blot do-fill)
   (format #f "polygon ~a ~a ~a"
-	  blot
-	  (if do-fill "True" "False")
-	  (string-join (map number->string xy-coords))))
+          blot
+          (if do-fill "True" "False")
+          (string-join (map number->string xy-coords))))
 
 (define (round-filled-box breapth width depth height blot-diameter)
   (format #f "draw_round_box ~a ~a ~a ~a ~a"
-	  breapth width depth height blot-diameter))
+          breapth width depth height blot-diameter))
 
 (define (utf-8-string descr string)
   (format #f "utf-8 \"~a\" \"~a\""
-	  (escape-string descr)
-	  ;; don't want unescaped spaces.
-	  (escape-string string)))
+          (escape-string descr)
+          ;; don't want unescaped spaces.
+          (escape-string string)))
diff --git a/scm/output-svg.scm b/scm/output-svg.scm
index 354bff4e05..8e2c532a3b 100644
--- a/scm/output-svg.scm
+++ b/scm/output-svg.scm
@@ -23,15 +23,15 @@
 
 ;;; set by framework-gnome.scm
 (define paper #f)
-  
+
 (use-modules
-  (guile)
-  (ice-9 regex)
-  (ice-9 format)
-  (ice-9 optargs)
-  (lily)
-  (srfi srfi-1)
-  (srfi srfi-13))
+ (guile)
+ (ice-9 regex)
+ (ice-9 format)
+ (ice-9 optargs)
+ (lily)
+ (srfi srfi-1)
+ (srfi srfi-13))
 
 (define fancy-format format)
 (define format ergonomic-simple-format)
@@ -41,13 +41,13 @@
 ;; Helper functions
 (define-public (attributes attributes-alist)
   (apply string-append
-	 (map (lambda (x)
-		(let ((attr (car x))
-		      (value (cdr x)))
-		  (if (number? value)
-		      (set! value (ly:format "~4f" value)))
-		  (format #f " ~s=\"~a\"" attr value)))
-	      attributes-alist)))
+         (map (lambda (x)
+                (let ((attr (car x))
+                      (value (cdr x)))
+                  (if (number? value)
+                      (set! value (ly:format "~4f" value)))
+                  (format #f " ~s=\"~a\"" attr value)))
+              attributes-alist)))
 
 (define-public (eo entity . attributes-alist)
   "o = open"
@@ -74,7 +74,7 @@
   (if (equal? string "")
       (apply eoc entity attributes-alist)
       (string-append
-	(apply eo (cons entity attributes-alist)) string (ec entity))))
+       (apply eo (cons entity attributes-alist)) string (ec entity))))
 
 (define (offset->point o)
   (ly:format "~4f ~4f" (car o) (- (cdr o))))
@@ -82,21 +82,21 @@
 (define (number-list->point lst)
   (define (helper lst)
     (if (null? lst)
-	'()
-	(cons (format #f "~S ~S" (car lst) (- (cadr lst)))
-	      (helper (cddr lst)))))
+        '()
+        (cons (format #f "~S ~S" (car lst) (- (cadr lst)))
+              (helper (cddr lst)))))
 
   (string-join (helper lst) " "))
 
 
 (define (svg-bezier lst close)
   (let* ((c0 (car (list-tail lst 3)))
-	 (c123 (list-head lst 3)))
+         (c123 (list-head lst 3)))
     (string-append
-      (if (not close) "M" "L")
-      (offset->point c0)
-      "C" (string-join (map offset->point c123) " ")
-      (if (not close) "" "z"))))
+     (if (not close) "M" "L")
+     (offset->point c0)
+     "C" (string-join (map offset->point c123) " ")
+     (if (not close) "" "z"))))
 
 (define (sqr x)
   (* x x))
@@ -109,7 +109,7 @@
 
 (define (string->entities string)
   (apply string-append
-	 (map (lambda (x) (char->entity x)) (string->list string))))
+         (map (lambda (x) (char->entity x)) (string->list string))))
 
 (define svg-element-regexp
   (make-regexp "^(<[a-z]+) ?(.*>)"))
@@ -128,24 +128,24 @@
   (define (set-attribute attr val)
     (set! alist (assoc-set! alist attr val)))
   (let* ((match-1 (regexp-exec pango-description-regexp-comma str))
-	 (match-2 (regexp-exec pango-description-regexp-nocomma str))
-	 (match (if match-1 match-1 match-2)))
+         (match-2 (regexp-exec pango-description-regexp-nocomma str))
+         (match (if match-1 match-1 match-2)))
 
     (if (regexp-match? match)
-	(begin
-	  (set-attribute 'font-family (match:prefix match))
-	  (if (string? (match:substring match 1))
-	      (set-attribute 'font-weight "bold"))
-	  (if (string? (match:substring match 2))
-	      (set-attribute 'font-style "italic"))
-	  (if (string? (match:substring match 3))
-	      (set-attribute 'font-variant "small-caps"))
-	  (set-attribute 'font-size
-			 (/ (string->number (match:substring match 4))
-			    lily-unit-length))
-	  (set-attribute 'text-anchor "start")
-	  (set-attribute 'fill "currentColor"))
-	(ly:warning (_ "cannot decypher Pango description: ~a") str))
+        (begin
+          (set-attribute 'font-family (match:prefix match))
+          (if (string? (match:substring match 1))
+              (set-attribute 'font-weight "bold"))
+          (if (string? (match:substring match 2))
+              (set-attribute 'font-style "italic"))
+          (if (string? (match:substring match 3))
+              (set-attribute 'font-variant "small-caps"))
+          (set-attribute 'font-size
+                         (/ (string->number (match:substring match 4))
+                            lily-unit-length))
+          (set-attribute 'text-anchor "start")
+          (set-attribute 'fill "currentColor"))
+        (ly:warning (_ "cannot decypher Pango description: ~a") str))
 
     (apply entity 'text expr (reverse! alist))))
 
@@ -155,21 +155,21 @@
     (set! alist (assoc-set! alist attr val)))
   (if (not (null? rest))
       (let* ((dx (car rest))
-	     (dy (cadr rest))
-	     (total-x (+ dx next-horiz-adv)))
-	(if (or (not (zero? total-x))
-		(not (zero? dy)))
-	    (let ((x (ly:format "~4f" total-x))
-		  (y (ly:format "~4f" dy)))
-	      (set-attribute 'transform
-			     (string-append
-			       "translate(" x ", " y ") "
-			       "scale(" scale ", -" scale ")")))
-	    (set-attribute 'transform
-			   (string-append
-			     "scale(" scale ", -" scale ")"))))
+             (dy (cadr rest))
+             (total-x (+ dx next-horiz-adv)))
+        (if (or (not (zero? total-x))
+                (not (zero? dy)))
+            (let ((x (ly:format "~4f" total-x))
+                  (y (ly:format "~4f" dy)))
+              (set-attribute 'transform
+                             (string-append
+                              "translate(" x ", " y ") "
+                              "scale(" scale ", -" scale ")")))
+            (set-attribute 'transform
+                           (string-append
+                            "scale(" scale ", -" scale ")"))))
       (set-attribute 'transform (string-append
-				  "scale(" scale ", -" scale ")")))
+                                 "scale(" scale ", -" scale ")")))
 
   (set-attribute 'd path)
   (set-attribute 'fill "currentColor")
@@ -201,112 +201,112 @@
 ;;
 (define (glyph-element-regexp name)
   (make-regexp (string-append "<glyph"
-			      "(([[:space:]]+[-a-z]+=\"[^\"]*\")+)?"
-			      "[[:space:]]+glyph-name=\"("
-			      name
-			      ")\""
-			      "(([[:space:]]+[-a-z]+=\"[^\"]*\")+)?"
-			      "([[:space:]]+)?"
-			      "/>")))
+                              "(([[:space:]]+[-a-z]+=\"[^\"]*\")+)?"
+                              "[[:space:]]+glyph-name=\"("
+                              name
+                              ")\""
+                              "(([[:space:]]+[-a-z]+=\"[^\"]*\")+)?"
+                              "([[:space:]]+)?"
+                              "/>")))
 
 (define (extract-glyph all-glyphs name size . rest)
   (let* ((new-name (regexp-quote name))
-	 (regexp (regexp-exec (glyph-element-regexp new-name) all-glyphs))
-	 (glyph (match:substring regexp))
-	 (unicode-attr (regexp-exec glyph-unicode-value-regexp glyph))
-	 (unicode-attr-value (match:substring unicode-attr 1))
-	 (unicode-attr? (regexp-match? unicode-attr))
-	 (d-attr (regexp-exec glyph-path-regexp glyph))
-	 (d-attr-value "")
-	 (d-attr? (regexp-match? d-attr))
-	 ;; TODO: not urgent, but do not hardcode this value
-	 (units-per-em 1000)
-	 (font-scale (ly:format "~4f" (/ size units-per-em)))
-	 (path ""))
+         (regexp (regexp-exec (glyph-element-regexp new-name) all-glyphs))
+         (glyph (match:substring regexp))
+         (unicode-attr (regexp-exec glyph-unicode-value-regexp glyph))
+         (unicode-attr-value (match:substring unicode-attr 1))
+         (unicode-attr? (regexp-match? unicode-attr))
+         (d-attr (regexp-exec glyph-path-regexp glyph))
+         (d-attr-value "")
+         (d-attr? (regexp-match? d-attr))
+         ;; TODO: not urgent, but do not hardcode this value
+         (units-per-em 1000)
+         (font-scale (ly:format "~4f" (/ size units-per-em)))
+         (path ""))
 
     (if (and unicode-attr? (not unicode-attr-value))
-	(ly:warning (_ "Glyph must have a unicode value")))
+        (ly:warning (_ "Glyph must have a unicode value")))
 
     (if d-attr? (set! d-attr-value (match:substring d-attr 1)))
 
     (cond (
-	   ;; Glyph-strings with path data
-	   (and d-attr? (not (null? rest)))
-	   (begin
-	     (set! path (apply dump-path d-attr-value
-					 font-scale
-					 (list (caddr rest) (cadddr rest))))
-	     (set! next-horiz-adv (+ next-horiz-adv
-				     (car rest)))
-	     path))
-	  ;; Glyph-strings without path data ("space")
-	  ((and (not d-attr?) (not (null? rest)))
-	   (begin
-	     (set! next-horiz-adv (+ next-horiz-adv
-				     (car rest)))
-	     ""))
-	  ;; Font smobs with path data
-	  ((and d-attr? (null? rest))
-	    (set! path (dump-path d-attr-value font-scale))
-	    path)
-	  ;; Font smobs without path data ("space")
-	  (else
-	    ""))))
+           ;; Glyph-strings with path data
+           (and d-attr? (not (null? rest)))
+           (begin
+             (set! path (apply dump-path d-attr-value
+                               font-scale
+                               (list (caddr rest) (cadddr rest))))
+             (set! next-horiz-adv (+ next-horiz-adv
+                                     (car rest)))
+             path))
+          ;; Glyph-strings without path data ("space")
+          ((and (not d-attr?) (not (null? rest)))
+           (begin
+             (set! next-horiz-adv (+ next-horiz-adv
+                                     (car rest)))
+             ""))
+          ;; Font smobs with path data
+          ((and d-attr? (null? rest))
+           (set! path (dump-path d-attr-value font-scale))
+           path)
+          ;; Font smobs without path data ("space")
+          (else
+           ""))))
 
 (define (extract-glyph-info all-glyphs glyph size)
   (let* ((offsets (list-head glyph 4))
-	 (glyph-name (car (reverse glyph))))
+         (glyph-name (car (reverse glyph))))
     (apply extract-glyph all-glyphs glyph-name size offsets)))
 
 (define (svg-defs svg-font)
   (let ((start (string-contains svg-font "<defs>"))
-	(end (string-contains svg-font "</defs>")))
+        (end (string-contains svg-font "</defs>")))
     (substring svg-font (+ start 7) (- end 1))))
 
 (define (cache-font svg-font size glyph)
   (let ((all-glyphs (svg-defs (cached-file-contents svg-font))))
     (if (list? glyph)
-	(extract-glyph-info all-glyphs glyph size)
-	(extract-glyph all-glyphs glyph size))))
+        (extract-glyph-info all-glyphs glyph size)
+        (extract-glyph all-glyphs glyph size))))
 
 
 (define (music-string-to-path font size glyph)
   (let* ((name-style (font-name-style font))
-	 (scaled-size (/ size lily-unit-length))
-	 (font-file (ly:find-file (string-append name-style ".svg"))))
+         (scaled-size (/ size lily-unit-length))
+         (font-file (ly:find-file (string-append name-style ".svg"))))
 
     (if font-file
-	(cache-font font-file scaled-size glyph)
-	(ly:warning (_ "cannot find SVG font ~S") font-file))))
+        (cache-font font-file scaled-size glyph)
+        (ly:warning (_ "cannot find SVG font ~S") font-file))))
 
 
 (define (font-smob-to-path font glyph)
   (let* ((name-style (font-name-style font))
-	 (scaled-size (modified-font-metric-font-scaling font))
-	 (font-file (ly:find-file (string-append name-style ".svg"))))
+         (scaled-size (modified-font-metric-font-scaling font))
+         (font-file (ly:find-file (string-append name-style ".svg"))))
 
     (if font-file
-	(cache-font font-file scaled-size glyph)
-	(ly:warning (_ "cannot find SVG font ~S") font-file))))
+        (cache-font font-file scaled-size glyph)
+        (ly:warning (_ "cannot find SVG font ~S") font-file))))
 
 (define (woff-font-smob-to-text font expr)
   (let* ((name-style (font-name-style font))
-	 (scaled-size (modified-font-metric-font-scaling font))
-	 (font-file (ly:find-file (string-append name-style ".woff")))
-	 (charcode (ly:font-glyph-name-to-charcode font expr))
-	 (char-lookup (format #f "&#~S;" charcode))
-	 (glyph-by-name (eoc 'altglyph `(glyphname . ,expr)))
-	 (apparently-broken
-	  (comment "FIXME: how to select glyph by name, altglyph is broken?"))
-	 (text (string-regexp-substitute "\n" ""
-		(string-append glyph-by-name apparently-broken char-lookup))))
-  (define alist '())
-  (define (set-attribute attr val)
-    (set! alist (assoc-set! alist attr val)))
-  (set-attribute 'font-family name-style)
-  (set-attribute 'font-size scaled-size)
-  (apply entity 'text text (reverse! alist))))
-  
+         (scaled-size (modified-font-metric-font-scaling font))
+         (font-file (ly:find-file (string-append name-style ".woff")))
+         (charcode (ly:font-glyph-name-to-charcode font expr))
+         (char-lookup (format #f "&#~S;" charcode))
+         (glyph-by-name (eoc 'altglyph `(glyphname . ,expr)))
+         (apparently-broken
+          (comment "FIXME: how to select glyph by name, altglyph is broken?"))
+         (text (string-regexp-substitute "\n" ""
+                                         (string-append glyph-by-name apparently-broken char-lookup))))
+    (define alist '())
+    (define (set-attribute attr val)
+      (set! alist (assoc-set! alist attr val)))
+    (set-attribute 'font-family name-style)
+    (set-attribute 'font-size scaled-size)
+    (apply entity 'text text (reverse! alist))))
+
 (define font-smob-to-text
   (if (not (ly:get-option 'svg-woff))
       font-smob-to-path woff-font-smob-to-text))
@@ -325,41 +325,41 @@
 
 (define (circle radius thick is-filled)
   (entity
-    'circle ""
-    '(stroke-linejoin . "round")
-    '(stroke-linecap . "round")
-    `(fill . ,(if is-filled "currentColor" "none"))
-    `(stroke . "currentColor")
-    `(stroke-width . ,thick)
-    `(r . ,radius)))
+   'circle ""
+   '(stroke-linejoin . "round")
+   '(stroke-linecap . "round")
+   `(fill . ,(if is-filled "currentColor" "none"))
+   `(stroke . "currentColor")
+   `(stroke-width . ,thick)
+   `(r . ,radius)))
 
 (define (dashed-line thick on off dx dy phase)
   (draw-line thick 0 0 dx dy
-	     `(stroke-dasharray . ,(format #f "~a,~a" on off))))
+             `(stroke-dasharray . ,(format #f "~a,~a" on off))))
 
 (define (draw-line thick x1 y1 x2 y2 . alist)
   (apply entity 'line ""
-	 (append
-	   `((stroke-linejoin . "round")
-	     (stroke-linecap . "round")
-	     (stroke-width . ,thick)
-	     (stroke . "currentColor")
-	     (x1 . ,x1)
-	     (y1 . ,(- y1))
-	     (x2 . ,x2)
-	     (y2 . ,(- y2)))
-	   alist)))
+         (append
+          `((stroke-linejoin . "round")
+            (stroke-linecap . "round")
+            (stroke-width . ,thick)
+            (stroke . "currentColor")
+            (x1 . ,x1)
+            (y1 . ,(- y1))
+            (x2 . ,x2)
+            (y2 . ,(- y2)))
+          alist)))
 
 (define (ellipse x-radius y-radius thick is-filled)
   (entity
-    'ellipse ""
-    '(stroke-linejoin . "round")
-    '(stroke-linecap . "round")
-    `(fill . ,(if is-filled "currentColor" "none"))
-    `(stroke . "currentColor")
-    `(stroke-width . ,thick)
-    `(rx . ,x-radius)
-    `(ry . ,y-radius)))
+   'ellipse ""
+   '(stroke-linejoin . "round")
+   '(stroke-linecap . "round")
+   `(fill . ,(if is-filled "currentColor" "none"))
+   `(stroke . "currentColor")
+   `(stroke-width . ,thick)
+   `(rx . ,x-radius)
+   `(ry . ,y-radius)))
 
 (define (partial-ellipse x-radius y-radius start-angle end-angle thick connect fill)
   (define (make-ellipse-radius x-radius y-radius angle)
@@ -369,38 +369,38 @@
                 (* (* x-radius x-radius)
                    (* (sin angle) (sin angle)))))))
   (let*
-    ((new-start-angle (* PI-OVER-180 (angle-0-360 start-angle)))
-     (start-radius (make-ellipse-radius x-radius y-radius new-start-angle))
-     (new-end-angle (* PI-OVER-180 (angle-0-360 end-angle)))
-     (end-radius (make-ellipse-radius x-radius y-radius new-end-angle))
-     (epsilon 1.5e-3)
-     (x-end (- (* end-radius (cos new-end-angle))
-               (* start-radius (cos new-start-angle))))
-     (y-end (- (* end-radius (sin new-end-angle))
-               (* start-radius (sin new-start-angle)))))
-   (if (and (< (abs x-end) epsilon) (< (abs y-end) epsilon))
-    (entity
-      'ellipse ""
-      `(fill . ,(if fill "currentColor" "none"))
-      `(stroke . "currentColor")
-      `(stroke-width . ,thick)
-      '(stroke-linejoin . "round")
-      '(stroke-linecap . "round")
-      '(cx . 0)
-      '(cy . 0)
-      `(rx . ,x-radius)
-      `(ry . ,y-radius))
-    (entity
-      'path ""
-      `(fill . ,(if fill "currentColor" "none"))
-      `(stroke . "currentColor")
-      `(stroke-width . ,thick)
-      '(stroke-linejoin . "round")
-      '(stroke-linecap . "round")
-      (cons
-        'd
-        (string-append
-          (ly:format
+      ((new-start-angle (* PI-OVER-180 (angle-0-360 start-angle)))
+       (start-radius (make-ellipse-radius x-radius y-radius new-start-angle))
+       (new-end-angle (* PI-OVER-180 (angle-0-360 end-angle)))
+       (end-radius (make-ellipse-radius x-radius y-radius new-end-angle))
+       (epsilon 1.5e-3)
+       (x-end (- (* end-radius (cos new-end-angle))
+                 (* start-radius (cos new-start-angle))))
+       (y-end (- (* end-radius (sin new-end-angle))
+                 (* start-radius (sin new-start-angle)))))
+    (if (and (< (abs x-end) epsilon) (< (abs y-end) epsilon))
+        (entity
+         'ellipse ""
+         `(fill . ,(if fill "currentColor" "none"))
+         `(stroke . "currentColor")
+         `(stroke-width . ,thick)
+         '(stroke-linejoin . "round")
+         '(stroke-linecap . "round")
+         '(cx . 0)
+         '(cy . 0)
+         `(rx . ,x-radius)
+         `(ry . ,y-radius))
+        (entity
+         'path ""
+         `(fill . ,(if fill "currentColor" "none"))
+         `(stroke . "currentColor")
+         `(stroke-width . ,thick)
+         '(stroke-linejoin . "round")
+         '(stroke-linecap . "round")
+         (cons
+          'd
+          (string-append
+           (ly:format
             "M~4f ~4fA~4f ~4f 0 ~4f 0 ~4f ~4f"
             (* start-radius (cos new-start-angle))
             (- (* start-radius (sin new-start-angle)))
@@ -409,11 +409,11 @@
             (if (> 0 (- new-start-angle new-end-angle)) 0 1)
             (* end-radius (cos new-end-angle))
             (- (* end-radius (sin new-end-angle))))
-            (if connect
-                (ly:format "L~4f,~4f"
-                           (* start-radius (cos new-start-angle))
-                           (- (* start-radius (sin new-start-angle))))
-                "")))))))
+           (if connect
+               (ly:format "L~4f,~4f"
+                          (* start-radius (cos new-start-angle))
+                          (- (* start-radius (sin new-start-angle))))
+               "")))))))
 
 (define (embedded-svg string)
   string)
@@ -423,51 +423,51 @@
   (if (= 1 (length glyphs))
       (set! path (music-string-to-path font size (car glyphs)))
       (begin
-	(set! path
-	      (string-append (eo 'g)
-			     (string-join
-			       (map (lambda (x)
-				      (music-string-to-path font size x))
-				    glyphs)
-			       "\n")
-			     (ec 'g)))))
+        (set! path
+              (string-append (eo 'g)
+                             (string-join
+                              (map (lambda (x)
+                                     (music-string-to-path font size x))
+                                   glyphs)
+                              "\n")
+                             (ec 'g)))))
   (set! next-horiz-adv 0.0)
   path)
 
 (define (woff-glyph-string pango-font font-name size cid? w-h-x-y-named-glyphs)
   (let* ((name-style (font-name-style font-name))
-	 (family-designsize (regexp-exec (make-regexp "(.*)-([0-9]*)")
-					 font-name))
-	 (family (if (regexp-match? family-designsize)
-		     (match:substring family-designsize 1)
-		     font-name))
-	 (design-size (if (regexp-match? family-designsize)
-			  (match:substring family-designsize 2)
-			  #f))
-	 (scaled-size (/ size lily-unit-length))
-	 (font (ly:paper-get-font paper `(((font-family . ,family)
-					   ,(if design-size
-						`(design-size . design-size)))))))
+         (family-designsize (regexp-exec (make-regexp "(.*)-([0-9]*)")
+                                         font-name))
+         (family (if (regexp-match? family-designsize)
+                     (match:substring family-designsize 1)
+                     font-name))
+         (design-size (if (regexp-match? family-designsize)
+                          (match:substring family-designsize 2)
+                          #f))
+         (scaled-size (/ size lily-unit-length))
+         (font (ly:paper-get-font paper `(((font-family . ,family)
+                                           ,(if design-size
+                                                `(design-size . design-size)))))))
     (define (glyph-spec w h x y g) ; h not used
       (let* ((charcode (ly:font-glyph-name-to-charcode font g))
-	     (char-lookup (format #f "&#~S;" charcode))
-	     (glyph-by-name (eoc 'altglyph `(glyphname . ,g)))
-	     (apparently-broken
-	      (comment "XFIXME: how to select glyph by name, altglyph is broken?")))
-	;; what is W?
-	(ly:format
-	 "<text~a font-family=\"~a\" font-size=\"~a\">~a</text>"
-	 (if (or (> (abs x) 0.00001)
-		 (> (abs y) 0.00001))
-	     (ly:format " transform=\"translate(~4f,~4f)\"" x y)
-	     " ")
-	 name-style scaled-size
-	 (string-regexp-substitute
-	  "\n" ""
-	  (string-append glyph-by-name apparently-broken char-lookup)))))
+             (char-lookup (format #f "&#~S;" charcode))
+             (glyph-by-name (eoc 'altglyph `(glyphname . ,g)))
+             (apparently-broken
+              (comment "XFIXME: how to select glyph by name, altglyph is broken?")))
+        ;; what is W?
+        (ly:format
+         "<text~a font-family=\"~a\" font-size=\"~a\">~a</text>"
+         (if (or (> (abs x) 0.00001)
+                 (> (abs y) 0.00001))
+             (ly:format " transform=\"translate(~4f,~4f)\"" x y)
+             " ")
+         name-style scaled-size
+         (string-regexp-substitute
+          "\n" ""
+          (string-append glyph-by-name apparently-broken char-lookup)))))
 
     (string-join (map (lambda (x) (apply glyph-spec x))
-		      (reverse w-h-x-y-named-glyphs)) "\n")))
+                      (reverse w-h-x-y-named-glyphs)) "\n")))
 
 (define glyph-string
   (if (not (ly:get-option 'svg-woff)) embedded-glyph-string woff-glyph-string))
@@ -484,83 +484,83 @@
 (define* (path thick commands #:optional (cap 'round) (join 'round) (fill? #f))
   (define (convert-path-exps exps)
     (if (pair? exps)
-	(let*
-	  ((head (car exps))
-	   (rest (cdr exps))
-	   (arity
-	     (cond ((memq head '(rmoveto rlineto lineto moveto)) 2)
-		   ((memq head '(rcurveto curveto)) 6)
-		   ((eq? head 'closepath) 0)
-		   (else 1)))
-	   (args (take rest arity))
-	   (svg-head (assoc-get head
-				'((rmoveto . m)
-				  (rcurveto . c)
-				  (curveto . C)
-				  (moveto . M)
-				  (lineto . L)
-				  (rlineto . l)
-				  (closepath . z))
-				"")))
-
-	  (cons (format #f "~a~a" svg-head (number-list->point args))
-		(convert-path-exps (drop rest arity))))
-	'()))
+        (let*
+            ((head (car exps))
+             (rest (cdr exps))
+             (arity
+              (cond ((memq head '(rmoveto rlineto lineto moveto)) 2)
+                    ((memq head '(rcurveto curveto)) 6)
+                    ((eq? head 'closepath) 0)
+                    (else 1)))
+             (args (take rest arity))
+             (svg-head (assoc-get head
+                                  '((rmoveto . m)
+                                    (rcurveto . c)
+                                    (curveto . C)
+                                    (moveto . M)
+                                    (lineto . L)
+                                    (rlineto . l)
+                                    (closepath . z))
+                                  "")))
+
+          (cons (format #f "~a~a" svg-head (number-list->point args))
+                (convert-path-exps (drop rest arity))))
+        '()))
 
   (let* ((line-cap-styles '(butt round square))
-	 (line-join-styles '(miter round bevel))
-	 (cap-style (if (not (memv cap line-cap-styles))
-			(begin
-			  (ly:warning (_ "unknown line-cap-style: ~S")
-				      (symbol->string cap))
-			  'round)
-			cap))
-	 (join-style (if (not (memv join line-join-styles))
-			 (begin
-			   (ly:warning (_ "unknown line-join-style: ~S")
-				       (symbol->string join))
-			   'round)
-			 join)))
+         (line-join-styles '(miter round bevel))
+         (cap-style (if (not (memv cap line-cap-styles))
+                        (begin
+                          (ly:warning (_ "unknown line-cap-style: ~S")
+                                      (symbol->string cap))
+                          'round)
+                        cap))
+         (join-style (if (not (memv join line-join-styles))
+                         (begin
+                           (ly:warning (_ "unknown line-join-style: ~S")
+                                       (symbol->string join))
+                           'round)
+                         join)))
     (entity 'path ""
-	    `(stroke-width . ,thick)
-	    `(stroke-linejoin . ,(symbol->string join-style))
-	    `(stroke-linecap . ,(symbol->string cap-style))
-	    '(stroke . "currentColor")
-	    `(fill . ,(if fill? "currentColor" "none"))
-	    `(d . ,(apply string-append (convert-path-exps commands))))))
+            `(stroke-width . ,thick)
+            `(stroke-linejoin . ,(symbol->string join-style))
+            `(stroke-linecap . ,(symbol->string cap-style))
+            '(stroke . "currentColor")
+            `(fill . ,(if fill? "currentColor" "none"))
+            `(d . ,(apply string-append (convert-path-exps commands))))))
 
 (define (placebox x y expr)
   (if (string-null? expr)
       ""
       (let*
-	((normal-element (regexp-exec svg-element-regexp expr))
-	 (scaled-element (regexp-exec scaled-element-regexp expr))
-	 (scaled? (if scaled-element #t #f))
-	 (match (if scaled? scaled-element normal-element))
-	 (string1 (match:substring match 1))
-	 (string2 (match:substring match 2)))
-
-	(if scaled?
-	    (string-append string1
-			   (ly:format "translate(~4f, ~4f) " x (- y))
-			   string2
-			   "\n")
-	    (string-append string1
-			   (ly:format " transform=\"translate(~4f, ~4f)\" "
-				      x (- y))
-			   string2
-			   "\n")))))
+          ((normal-element (regexp-exec svg-element-regexp expr))
+           (scaled-element (regexp-exec scaled-element-regexp expr))
+           (scaled? (if scaled-element #t #f))
+           (match (if scaled? scaled-element normal-element))
+           (string1 (match:substring match 1))
+           (string2 (match:substring match 2)))
+
+        (if scaled?
+            (string-append string1
+                           (ly:format "translate(~4f, ~4f) " x (- y))
+                           string2
+                           "\n")
+            (string-append string1
+                           (ly:format " transform=\"translate(~4f, ~4f)\" "
+                                      x (- y))
+                           string2
+                           "\n")))))
 
 (define (polygon coords blot-diameter is-filled)
   (entity
-    'polygon ""
-    '(stroke-linejoin . "round")
-    '(stroke-linecap . "round")
-    `(stroke-width . ,blot-diameter)
-    `(fill . ,(if is-filled "currentColor" "none"))
-    '(stroke . "currentColor")
-    `(points . ,(string-join
-		  (map offset->point (ly:list->offsets '() coords))))))
+   'polygon ""
+   '(stroke-linejoin . "round")
+   '(stroke-linecap . "round")
+   `(stroke-width . ,blot-diameter)
+   `(fill . ,(if is-filled "currentColor" "none"))
+   '(stroke . "currentColor")
+   `(points . ,(string-join
+                (map offset->point (ly:list->offsets '() coords))))))
 
 (define (resetcolor)
   "</g>\n")
@@ -573,34 +573,34 @@
 
 (define (round-filled-box breapth width depth height blot-diameter)
   (entity
-    'rect ""
-    ;; The stroke will stick out.  To use stroke,
-    ;; the stroke-width must be subtracted from all other dimensions.
-    ;;'(stroke-linejoin . "round")
-    ;;'(stroke-linecap . "round")
-    ;;`(stroke-width . ,blot)
-    ;;'(stroke . "red")
-    ;;'(fill . "orange")
-
-    `(x . ,(- breapth))
-    `(y . ,(- height))
-    `(width . ,(+ breapth width))
-    `(height . ,(+ depth height))
-    `(ry . ,(/ blot-diameter 2))
-    '(fill . "currentColor")))
+   'rect ""
+   ;; The stroke will stick out.  To use stroke,
+   ;; the stroke-width must be subtracted from all other dimensions.
+   ;;'(stroke-linejoin . "round")
+   ;;'(stroke-linecap . "round")
+   ;;`(stroke-width . ,blot)
+   ;;'(stroke . "red")
+   ;;'(fill . "orange")
+
+   `(x . ,(- breapth))
+   `(y . ,(- height))
+   `(width . ,(+ breapth width))
+   `(height . ,(+ depth height))
+   `(ry . ,(/ blot-diameter 2))
+   '(fill . "currentColor")))
 
 (define (setcolor r g b)
   (format #f "<g color=\"rgb(~a%, ~a%, ~a%)\">\n"
-	  (* 100 r) (* 100 g) (* 100 b)))
+          (* 100 r) (* 100 g) (* 100 b)))
 
 ;; rotate around given point
 (define (setrotation ang x y)
   (ly:format "<g transform=\"rotate(~4f, ~4f, ~4f)\">\n"
-	     (- ang) x (- y)))
+             (- ang) x (- y)))
 
 (define (setscale x y)
   (ly:format "<g transform=\"scale(~4f, ~4f)\">\n"
-	     x y))
+             x y))
 
 (define (text font string)
   (fontify font (entity 'tspan (string->entities string))))
@@ -609,18 +609,18 @@
   (string-append
    (eo 'a `(xlink:href . ,url))
    (eoc 'rect
-	`(x . ,(car x))
-	`(y . ,(car y))
-	`(width . ,(- (cdr x) (car x)))
-	`(height . ,(- (cdr y) (car y)))
-	'(fill . "none")
-	'(stroke . "none")
-	'(stroke-width . "0.0"))
+        `(x . ,(car x))
+        `(y . ,(car y))
+        `(width . ,(- (cdr x) (car x)))
+        `(height . ,(- (cdr y) (car y)))
+        '(fill . "none")
+        '(stroke . "none")
+        '(stroke-width . "0.0"))
    (ec 'a)))
 
 (define (utf-8-string pango-font-description string)
   (let ((escaped-string (string-regexp-substitute
-			  "<" "&lt;"
-			  (string-regexp-substitute "&" "&amp;" string))))
+                         "<" "&lt;"
+                         (string-regexp-substitute "&" "&amp;" string))))
     (fontify pango-font-description
              (entity 'tspan escaped-string))))
diff --git a/scm/page.scm b/scm/page.scm
index ada4a890f9..bfae0ea2f4 100644
--- a/scm/page.scm
+++ b/scm/page.scm
@@ -18,25 +18,25 @@
 (define-module (scm page)
 
   #:export (make-page
-	    page-property
-	    page-set-property!
-	    page-prev
-	    page-printable-height
-	    layout->page-init
-	    page-force
-	    page-penalty
-	    page-configuration
-	    page-lines
-	    page-page-number
-	    page-system-numbers
-	    page-stencil
-	    page-free-height
-	    page?
-	    ))
+            page-property
+            page-set-property!
+            page-prev
+            page-printable-height
+            layout->page-init
+            page-force
+            page-penalty
+            page-configuration
+            page-lines
+            page-page-number
+            page-system-numbers
+            page-stencil
+            page-free-height
+            page?
+            ))
 
 (use-modules (lily)
-	     (scm paper-system)
-	     (srfi srfi-1))
+             (scm paper-system)
+             (srfi srfi-1))
 
 
 (define (annotate? layout)
@@ -48,9 +48,9 @@
 (define (make-page paper-book  . args)
   (let*
       ((p (apply ly:make-prob (append
-			       (list 'page (layout->page-init (ly:paper-book-paper paper-book))
-				     'paper-book paper-book)
-			       args))))
+                               (list 'page (layout->page-init (ly:paper-book-paper paper-book))
+                                     'paper-book paper-book)
+                               args))))
 
     (page-set-property! p 'head-stencil (page-header p))
     (page-set-property! p 'foot-stencil (page-footer p))
@@ -84,61 +84,61 @@
 
    (lambda (sys-off)
      (let*
-	 ((sys (car sys-off))
-	  (off (cadr sys-off)))
+         ((sys (car sys-off))
+          (off (cadr sys-off)))
 
        (if (not (number? (ly:prob-property sys 'Y-offset)))
-	   (ly:prob-set-property! sys 'Y-offset off))))
+           (ly:prob-set-property! sys 'Y-offset off))))
 
    (zip (page-property page 'lines)
-	(page-property page 'configuration))))
+        (page-property page 'configuration))))
 
 (define (annotate-top-space first-system layout header-stencil stencil)
   (let* ((top-margin (ly:output-def-lookup layout 'top-margin))
-	 (sym (if (paper-system-title? first-system)
-		  'top-markup-spacing
-		  'top-system-spacing))
-	 (spacing-spec (ly:output-def-lookup layout sym))
-	 (X-offset (ly:prob-property first-system 'X-offset 5))
-	 (header-extent (ly:stencil-extent header-stencil Y)))
+         (sym (if (paper-system-title? first-system)
+                  'top-markup-spacing
+                  'top-system-spacing))
+         (spacing-spec (ly:output-def-lookup layout sym))
+         (X-offset (ly:prob-property first-system 'X-offset 5))
+         (header-extent (ly:stencil-extent header-stencil Y)))
 
     (set! stencil
-	  (ly:stencil-add stencil
-			  (ly:stencil-translate-axis
-			   (annotate-spacing-spec layout
-						  spacing-spec
-						  (- top-margin)
-						  (car header-extent)
-						  #:base-color red)
-			   X-offset X)))
+          (ly:stencil-add stencil
+                          (ly:stencil-translate-axis
+                           (annotate-spacing-spec layout
+                                                  spacing-spec
+                                                  (- top-margin)
+                                                  (car header-extent)
+                                                  #:base-color red)
+                           X-offset X)))
     stencil))
 
 
 (define (annotate-page layout stencil)
   (let ((top-margin (ly:output-def-lookup layout 'top-margin))
-	(paper-height (ly:output-def-lookup layout 'paper-height))
-	(bottom-margin (ly:output-def-lookup layout 'bottom-margin))
-	(add-stencil (lambda (y)
-		       (set! stencil
-			     (ly:stencil-add stencil
-					     (ly:stencil-translate-axis y 6 X))))))
+        (paper-height (ly:output-def-lookup layout 'paper-height))
+        (bottom-margin (ly:output-def-lookup layout 'bottom-margin))
+        (add-stencil (lambda (y)
+                       (set! stencil
+                             (ly:stencil-add stencil
+                                             (ly:stencil-translate-axis y 6 X))))))
     (add-stencil
      (ly:stencil-translate-axis
       (annotate-y-interval layout "paper-height"
-			   (cons (- paper-height) 0)
-			   #t)
+                           (cons (- paper-height) 0)
+                           #t)
       1 X))
     (add-stencil
      (ly:stencil-translate-axis
       (annotate-y-interval layout "top-margin"
-			   (cons (- top-margin) 0)
-			   #t)
+                           (cons (- top-margin) 0)
+                           #t)
       2 X))
     (add-stencil
      (ly:stencil-translate-axis
       (annotate-y-interval layout "bottom-margin"
-			   (cons (- paper-height) (- bottom-margin paper-height))
-			   #t)
+                           (cons (- paper-height) (- bottom-margin paper-height))
+                           #t)
       2 X))
     stencil))
 
@@ -147,16 +147,16 @@
       ((paper-book (page-property page 'paper-book))
        (layout (ly:paper-book-paper paper-book))
        (arrow (annotate-y-interval layout
-				   "space left"
-				   (cons (- 0.0
-					    (page-property page 'bottom-edge)
-					    (let ((foot (page-property page 'foot-stencil)))
-					      (if (and (ly:stencil? foot)
-						       (not (ly:stencil-empty? foot)))
-						  (car (ly:stencil-extent foot Y))
-						  0.0)))
-					 (page-property page  'bottom-system-edge))
-				   #t)))
+                                   "space left"
+                                   (cons (- 0.0
+                                            (page-property page 'bottom-edge)
+                                            (let ((foot (page-property page 'foot-stencil)))
+                                              (if (and (ly:stencil? foot)
+                                                       (not (ly:stencil-empty? foot)))
+                                                  (car (ly:stencil-extent foot Y))
+                                                  0.0)))
+                                         (page-property page  'bottom-system-edge))
+                                   #t)))
 
     (set! arrow (ly:stencil-translate-axis arrow 8 X))
 
@@ -172,13 +172,13 @@
        (is-last-bookpart (page-property page 'is-last-bookpart))
        (is-bookpart-last-page (page-property page 'is-bookpart-last-page))
        (sym (if (= dir UP)
-		'make-header
-		'make-footer))
+                'make-header
+                'make-footer))
        (header-proc (ly:output-def-lookup layout sym)))
 
     (if (procedure? header-proc)
-	(header-proc layout scopes number is-last-bookpart is-bookpart-last-page)
-	#f)))
+        (header-proc layout scopes number is-last-bookpart is-bookpart-last-page)
+        #f)))
 
 
 (define (page-header page)
@@ -195,7 +195,7 @@
        (left-margin (ly:output-def-lookup layout 'left-margin))
        (right-margin (ly:output-def-lookup layout 'right-margin))
        (bottom-edge (- paper-height
-		       (ly:output-def-lookup layout 'bottom-margin)) )
+                       (ly:output-def-lookup layout 'bottom-margin)) )
        (top-margin (ly:output-def-lookup layout 'top-margin))
        )
 
@@ -225,114 +225,114 @@
        (system-xoffset (ly:output-def-lookup layout 'horizontal-shift 0.0))
        (system-separator-markup (ly:output-def-lookup layout 'system-separator-markup))
        (system-separator-stencil (if (markup? system-separator-markup)
-				     (interpret-markup layout
-						       (layout-extract-page-properties layout)
-						       system-separator-markup)
-				     #f))
+                                     (interpret-markup layout
+                                                       (layout-extract-page-properties layout)
+                                                       system-separator-markup)
+                                     #f))
 
        (page-stencil (ly:make-stencil '()))
 
        (last-system #f)
        (last-y 0.0)
        (add-to-page (lambda (stencil x y)
-		      (set! page-stencil
-			    (ly:stencil-add page-stencil
-					    (ly:stencil-translate stencil
-								  (cons
-								   (+ system-xoffset x)
-								   (- 0 y (prop 'top-margin)))
-
-								  )))))
+                      (set! page-stencil
+                            (ly:stencil-add page-stencil
+                                            (ly:stencil-translate stencil
+                                                                  (cons
+                                                                   (+ system-xoffset x)
+                                                                   (- 0 y (prop 'top-margin)))
+
+                                                                  )))))
        (add-system
-	(lambda (system)
-	  (let* ((stencil (paper-system-stencil system))
-		 (y (ly:prob-property system 'Y-offset 0))
-		 (is-title (paper-system-title?
-			    system)))
-	    (add-to-page stencil
-			 (ly:prob-property system 'X-offset 0.0)
-			 y)
-	    (if (and (ly:stencil? system-separator-stencil)
-		     last-system
-		     (not (paper-system-title? system))
-		     (not (paper-system-title? last-system)))
-		(add-to-page
-		 system-separator-stencil
-		 0
-		 (average (- last-y
-			     (car (paper-system-staff-extents last-system)))
-			  (- y
-			     (cdr (paper-system-staff-extents system))))))
-	    (set! last-system system)
-	    (set! last-y y))))
+        (lambda (system)
+          (let* ((stencil (paper-system-stencil system))
+                 (y (ly:prob-property system 'Y-offset 0))
+                 (is-title (paper-system-title?
+                            system)))
+            (add-to-page stencil
+                         (ly:prob-property system 'X-offset 0.0)
+                         y)
+            (if (and (ly:stencil? system-separator-stencil)
+                     last-system
+                     (not (paper-system-title? system))
+                     (not (paper-system-title? last-system)))
+                (add-to-page
+                 system-separator-stencil
+                 0
+                 (average (- last-y
+                             (car (paper-system-staff-extents last-system)))
+                          (- y
+                             (cdr (paper-system-staff-extents system))))))
+            (set! last-system system)
+            (set! last-y y))))
        (head (prop 'head-stencil))
        (foot (prop 'foot-stencil))
        )
 
     (if (and
-	 (ly:stencil? head)
-	 (not (ly:stencil-empty? head)))
-	(begin
-	  ;; Ensure that the top of the header just touches the top margin.
-	  (set! head (ly:stencil-translate-axis head
-						(- 0 (cdr (ly:stencil-extent head Y)) (prop 'top-margin)) Y))
-	  (set! page-stencil (ly:stencil-add page-stencil head))))
+         (ly:stencil? head)
+         (not (ly:stencil-empty? head)))
+        (begin
+          ;; Ensure that the top of the header just touches the top margin.
+          (set! head (ly:stencil-translate-axis head
+                                                (- 0 (cdr (ly:stencil-extent head Y)) (prop 'top-margin)) Y))
+          (set! page-stencil (ly:stencil-add page-stencil head))))
 
     (if (and
-	 (annotate? layout)
-	 (pair? lines))
+         (annotate? layout)
+         (pair? lines))
 
-	(begin
-	  (set! page-stencil (annotate-top-space (car lines) layout head page-stencil))
+        (begin
+          (set! page-stencil (annotate-top-space (car lines) layout head page-stencil))
 
-	  (for-each (lambda (sys next-sys)
-		      (paper-system-annotate sys next-sys layout))
-		    lines
-		    (append (cdr lines) (list #f)))
-	  (paper-system-annotate-last (car (last-pair lines)) layout)))
+          (for-each (lambda (sys next-sys)
+                      (paper-system-annotate sys next-sys layout))
+                    lines
+                    (append (cdr lines) (list #f)))
+          (paper-system-annotate-last (car (last-pair lines)) layout)))
 
     (map add-system lines)
 
 
     (ly:prob-set-property! page 'bottom-system-edge
-			   (car (ly:stencil-extent page-stencil Y)))
+                           (car (ly:stencil-extent page-stencil Y)))
     (ly:prob-set-property! page 'space-left
-			   (+ (prop 'bottom-edge)
-			      (prop 'bottom-system-edge)
-			      (if (and (ly:stencil? foot)
-				       (not (ly:stencil-empty? foot)))
-				  (car (ly:stencil-extent foot Y))
-				  0.0)))
+                           (+ (prop 'bottom-edge)
+                              (prop 'bottom-system-edge)
+                              (if (and (ly:stencil? foot)
+                                       (not (ly:stencil-empty? foot)))
+                                  (car (ly:stencil-extent foot Y))
+                                  0.0)))
 
     (if (annotate? layout)
-	(set! page-stencil
-	      (ly:stencil-add page-stencil
-			      (annotate-space-left page))))
+        (set! page-stencil
+              (ly:stencil-add page-stencil
+                              (annotate-space-left page))))
 
     (if (and (ly:stencil? foot)
-	     (not (ly:stencil-empty? foot)))
-	(set! page-stencil
-	      (ly:stencil-add
-	       page-stencil
-	       (ly:stencil-translate
-		foot
-		(cons 0
-		      (+ (- (prop 'bottom-edge))
-			 (- (car (ly:stencil-extent foot Y)))))))))
+             (not (ly:stencil-empty? foot)))
+        (set! page-stencil
+              (ly:stencil-add
+               page-stencil
+               (ly:stencil-translate
+                foot
+                (cons 0
+                      (+ (- (prop 'bottom-edge))
+                         (- (car (ly:stencil-extent foot Y)))))))))
 
     (if (ly:output-def-lookup layout 'two-sided #f)
-	(set! page-stencil
-	      (ly:stencil-translate page-stencil
-				    (cons (prop (if (even? number)
-						    'left-margin
-						    'right-margin))
-					  0)))
-	(set! page-stencil
-	      (ly:stencil-translate page-stencil (cons (prop 'left-margin) 0))))
+        (set! page-stencil
+              (ly:stencil-translate page-stencil
+                                    (cons (prop (if (even? number)
+                                                    'left-margin
+                                                    'right-margin))
+                                          0)))
+        (set! page-stencil
+              (ly:stencil-translate page-stencil (cons (prop 'left-margin) 0))))
 
     ;; annotation.
     (if (annotate? layout)
-	(set! page-stencil (annotate-page layout page-stencil)))
+        (set! page-stencil (annotate-page layout page-stencil)))
 
     page-stencil))
 
@@ -352,18 +352,18 @@
       ((paper-book (page-property page 'paper-book))
        (layout (ly:paper-book-paper paper-book))
        (h (- (ly:output-def-lookup layout 'paper-height)
-	     (ly:output-def-lookup layout 'top-margin)
-	     (ly:output-def-lookup layout 'bottom-margin)))
+             (ly:output-def-lookup layout 'top-margin)
+             (ly:output-def-lookup layout 'bottom-margin)))
 
        (head (page-property page 'head-stencil))
        (foot (page-property page 'foot-stencil))
        (available
-	(- h (if (ly:stencil? head)
-		 (interval-length (ly:stencil-extent head Y))
-		 0)
-	   (if (ly:stencil? foot)
-	       (interval-length (ly:stencil-extent foot Y))
-	       0))))
+        (- h (if (ly:stencil? head)
+                 (interval-length (ly:stencil-extent head Y))
+                 0)
+           (if (ly:stencil? foot)
+               (interval-length (ly:stencil-extent foot Y))
+               0))))
 
     ;; (display (list "\n available" available head foot))
     available))
diff --git a/scm/paper-system.scm b/scm/paper-system.scm
index 8269c77e18..e75440b968 100644
--- a/scm/paper-system.scm
+++ b/scm/paper-system.scm
@@ -18,12 +18,12 @@
 (define-module (scm paper-system))
 
 (use-modules (lily)
-	     (srfi srfi-1)
-	     (ice-9 optargs))
+             (srfi srfi-1)
+             (ice-9 optargs))
 
 (define-public (paper-system-title? system)
   (equal? #t (ly:prob-property system 'is-title)
-	  ))
+          ))
 
 (define (system-stencil system-grob main-stencil)
   (let* ((padding (ly:grob-property system-grob 'in-note-padding #f))
@@ -31,8 +31,8 @@
          (in-notes (if in-notes in-notes empty-stencil))
          (direction (if padding (ly:grob-property system-grob 'in-note-direction) UP)))
     (if padding
-       (ly:stencil-combine-at-edge main-stencil Y direction in-notes padding)
-       main-stencil)))
+        (ly:stencil-combine-at-edge main-stencil Y direction in-notes padding)
+        main-stencil)))
 
 (define-public (paper-system-stencil system)
   (let ((main-stencil (ly:prob-property system 'stencil))
@@ -46,8 +46,8 @@
       ((g (paper-system-system-grob system)))
 
     (if (ly:grob? g)
-	(ly:grob-layout  g)
-	#f)))
+        (ly:grob-layout  g)
+        #f)))
 
 (define-public (paper-system-system-grob paper-system)
   (ly:prob-property paper-system 'system-grob))
@@ -64,199 +64,199 @@
        (y-extent (paper-system-extent system Y))
        (x-extent (paper-system-extent system X))
        (stencil (ly:prob-property system 'stencil))
-     
+
        (arrow (if (number? bottomspace)
-	       (annotate-y-interval layout
-				    "bottom-space"
-				    (cons (- (car y-extent) bottomspace)
-					  (car y-extent))
-				    #t)
-	       #f)))
-    
+                  (annotate-y-interval layout
+                                       "bottom-space"
+                                       (cons (- (car y-extent) bottomspace)
+                                             (car y-extent))
+                                       #t)
+                  #f)))
+
     (if arrow
-	(set! stencil
-	      (ly:stencil-add stencil arrow)))
+        (set! stencil
+              (ly:stencil-add stencil arrow)))
 
     (set! (ly:prob-property system 'stencil)
-	  stencil)
-  ))
+          stencil)
+    ))
 
 
 ;; Y-ext and next-Y-ext are either skyline-pairs or extents
 (define*-public (annotate-padding system-Y system-X Y-ext X-ext
-				  next-system-Y next-system-X next-Y-ext next-X-ext
-				  layout horizon-padding padding #:key (base-color blue))
+                                  next-system-Y next-system-X next-Y-ext next-X-ext
+                                  layout horizon-padding padding #:key (base-color blue))
   (let* ((eps 0.001)
-	 (skyline (and (ly:skyline-pair? Y-ext)
-		       (ly:skyline-pair::skyline Y-ext DOWN)))
-	 (next-skyline (and (ly:skyline-pair? next-Y-ext)
-			    (ly:skyline-pair::skyline next-Y-ext UP)))
-	 (annotation-X (cond
-			((and skyline next-skyline)
-			 (-
-			  (ly:skyline::get-touching-point skyline next-skyline horizon-padding)
-			  horizon-padding))
-			(skyline
-			 (ly:skyline::get-max-height-position skyline))
-			(next-skyline
-			 (ly:skyline::get-max-height-position next-skyline))
-			(else
-			 (max (cdr X-ext)
-			      (cdr next-X-ext)))))
-	 (annotation-Y (if skyline
-			   (ly:skyline::get-height skyline annotation-X)
-			   (car Y-ext)))
-	 (next-annotation-Y (if next-skyline
-				(- (+ (ly:skyline::get-height next-skyline
-							      (- (+ annotation-X system-X)
-								 next-system-X))
-				      next-system-Y)
-				   system-Y)
-				(cdr next-Y-ext)))
-	 (padding-blocks (>= next-annotation-Y (- annotation-Y padding eps)))
-	 (contrast-color (append (cdr base-color) (list (car base-color))))
-	 (color (if padding-blocks contrast-color base-color))
-	 (annotation (ly:stencil-translate-axis
-		      (annotate-y-interval
-		       layout
-		       "padding"
-		       `(,(- annotation-Y padding). ,annotation-Y)
-		       #t
-		       #:color color)
-		      annotation-X X)))
+         (skyline (and (ly:skyline-pair? Y-ext)
+                       (ly:skyline-pair::skyline Y-ext DOWN)))
+         (next-skyline (and (ly:skyline-pair? next-Y-ext)
+                            (ly:skyline-pair::skyline next-Y-ext UP)))
+         (annotation-X (cond
+                        ((and skyline next-skyline)
+                         (-
+                          (ly:skyline::get-touching-point skyline next-skyline horizon-padding)
+                          horizon-padding))
+                        (skyline
+                         (ly:skyline::get-max-height-position skyline))
+                        (next-skyline
+                         (ly:skyline::get-max-height-position next-skyline))
+                        (else
+                         (max (cdr X-ext)
+                              (cdr next-X-ext)))))
+         (annotation-Y (if skyline
+                           (ly:skyline::get-height skyline annotation-X)
+                           (car Y-ext)))
+         (next-annotation-Y (if next-skyline
+                                (- (+ (ly:skyline::get-height next-skyline
+                                                              (- (+ annotation-X system-X)
+                                                                 next-system-X))
+                                      next-system-Y)
+                                   system-Y)
+                                (cdr next-Y-ext)))
+         (padding-blocks (>= next-annotation-Y (- annotation-Y padding eps)))
+         (contrast-color (append (cdr base-color) (list (car base-color))))
+         (color (if padding-blocks contrast-color base-color))
+         (annotation (ly:stencil-translate-axis
+                      (annotate-y-interval
+                       layout
+                       "padding"
+                       `(,(- annotation-Y padding). ,annotation-Y)
+                       #t
+                       #:color color)
+                      annotation-X X)))
     (if (> padding 0.0)
-	annotation
-	empty-stencil)))
+        annotation
+        empty-stencil)))
+
 
-	 
 (define-public (paper-system-annotate system next-system layout)
   "Add arrows and texts to indicate which lengths are set."
 
   (let* ((grob (ly:prob-property system 'system-grob))
-	 (paper-height (ly:output-def-lookup layout 'paper-height))
-	 (bottom-margin (ly:output-def-lookup layout 'bottom-margin))
-	 (top-margin (ly:output-def-lookup layout 'top-margin))
-	 (spaceable-staves (if (ly:grob? grob) (ly:system::get-spaceable-staves grob) '()))
-	 (all-staves (if (ly:grob? grob) (ly:system::get-staves grob) '()))
-	 (spaceable-staff-annotate
-	  (lambda (before-staff after-staff)
-	    (let ((before-Y (ly:grob-relative-coordinate before-staff grob Y))
-		  (after-Y (ly:grob-relative-coordinate after-staff grob Y)))
-	      (annotate-spacing-spec
-	       layout
-	       (ly:get-spacing-spec before-staff after-staff)
-	       before-Y
-	       after-Y))))
+         (paper-height (ly:output-def-lookup layout 'paper-height))
+         (bottom-margin (ly:output-def-lookup layout 'bottom-margin))
+         (top-margin (ly:output-def-lookup layout 'top-margin))
+         (spaceable-staves (if (ly:grob? grob) (ly:system::get-spaceable-staves grob) '()))
+         (all-staves (if (ly:grob? grob) (ly:system::get-staves grob) '()))
+         (spaceable-staff-annotate
+          (lambda (before-staff after-staff)
+            (let ((before-Y (ly:grob-relative-coordinate before-staff grob Y))
+                  (after-Y (ly:grob-relative-coordinate after-staff grob Y)))
+              (annotate-spacing-spec
+               layout
+               (ly:get-spacing-spec before-staff after-staff)
+               before-Y
+               after-Y))))
 
-	 (staff-padding-annotate
-	  (lambda (before-staff after-staff)
-	    (let ((before-Y (ly:grob-relative-coordinate before-staff grob Y))
-		  (before-X (ly:grob-relative-coordinate before-staff grob X))
-		  (before-X-ext (ly:grob-extent before-staff before-staff X))
-		  (after-Y (ly:grob-relative-coordinate after-staff grob Y))
-		  (after-X (ly:grob-relative-coordinate after-staff grob X))
-		  (after-X-ext (ly:grob-extent after-staff after-staff X))
-		  (skylines (ly:grob-property before-staff 'vertical-skylines))
-		  (after-skylines (ly:grob-property after-staff 'vertical-skylines))
-		  (padding (assoc-get 'padding
-				      (ly:get-spacing-spec before-staff after-staff)
-				      0.0))
-		  (horizon-padding (ly:grob-property before-staff
-						     'skyline-horizontal-padding
-						     0.0)))
-	      (ly:stencil-translate
-	       (annotate-padding
-		before-Y before-X skylines before-X-ext
-		after-Y after-X after-skylines after-X-ext
-		layout horizon-padding padding)
-	       (cons before-X before-Y)))))
+         (staff-padding-annotate
+          (lambda (before-staff after-staff)
+            (let ((before-Y (ly:grob-relative-coordinate before-staff grob Y))
+                  (before-X (ly:grob-relative-coordinate before-staff grob X))
+                  (before-X-ext (ly:grob-extent before-staff before-staff X))
+                  (after-Y (ly:grob-relative-coordinate after-staff grob Y))
+                  (after-X (ly:grob-relative-coordinate after-staff grob X))
+                  (after-X-ext (ly:grob-extent after-staff after-staff X))
+                  (skylines (ly:grob-property before-staff 'vertical-skylines))
+                  (after-skylines (ly:grob-property after-staff 'vertical-skylines))
+                  (padding (assoc-get 'padding
+                                      (ly:get-spacing-spec before-staff after-staff)
+                                      0.0))
+                  (horizon-padding (ly:grob-property before-staff
+                                                     'skyline-horizontal-padding
+                                                     0.0)))
+              (ly:stencil-translate
+               (annotate-padding
+                before-Y before-X skylines before-X-ext
+                after-Y after-X after-skylines after-X-ext
+                layout horizon-padding padding)
+               (cons before-X before-Y)))))
 
-	 (staff-annotations (if (< 1 (length spaceable-staves))
-				(map spaceable-staff-annotate
-				     (drop-right spaceable-staves 1)
-				     (drop spaceable-staves 1))
-				'()))
-	 (staff-padding-annotations (if (< 1 (length all-staves))
-					(map staff-padding-annotate
-					     (drop-right all-staves 1)
-					     (drop all-staves 1))
-					'()))
-	 (estimate-extent (if (ly:grob? grob)
-			      (annotate-y-interval layout
-						   "extent-estimate"
-						   (ly:grob-property grob 'pure-Y-extent)
-						   #f)
-			      #f))
+         (staff-annotations (if (< 1 (length spaceable-staves))
+                                (map spaceable-staff-annotate
+                                     (drop-right spaceable-staves 1)
+                                     (drop spaceable-staves 1))
+                                '()))
+         (staff-padding-annotations (if (< 1 (length all-staves))
+                                        (map staff-padding-annotate
+                                             (drop-right all-staves 1)
+                                             (drop all-staves 1))
+                                        '()))
+         (estimate-extent (if (ly:grob? grob)
+                              (annotate-y-interval layout
+                                                   "extent-estimate"
+                                                   (ly:grob-property grob 'pure-Y-extent)
+                                                   #f)
+                              #f))
 
-	 (spacing-spec (cond ((and next-system
-				   (paper-system-title? system)
-				   (paper-system-title? next-system))
-			      (ly:output-def-lookup layout 'markup-markup-spacing))
-			     ((paper-system-title? system)
-			      (ly:output-def-lookup layout 'markup-system-spacing))
-			     ((and next-system
-				   (paper-system-title? next-system))
-			      (ly:output-def-lookup layout 'score-markup-spacing))
-			     ((not next-system)
-			      (ly:output-def-lookup layout 'last-bottom-spacing))
-			     ((ly:prob-property system 'last-in-score #f)
-			      (ly:output-def-lookup layout 'score-system-spacing))
-			     (else
-			      (ly:output-def-lookup layout 'system-system-spacing))))
-	 (last-staff-Y (car (paper-system-staff-extents system)))
-	 (system-Y (ly:prob-property system 'Y-offset 0.0))
-	 (system-X (ly:prob-property system 'X-offset 0.0))
-	 (next-system-Y (and next-system
-			     (ly:prob-property next-system 'Y-offset 0.0)))
-	 (next-system-X (and next-system
-			     (ly:prob-property next-system 'X-offset 0.0)))
-	 (first-staff-next-system-Y (if next-system
-					(- (+ (cdr (paper-system-staff-extents next-system))
-					      system-Y)
-					   next-system-Y)
-					(+ system-Y top-margin bottom-margin (- paper-height))))
+         (spacing-spec (cond ((and next-system
+                                   (paper-system-title? system)
+                                   (paper-system-title? next-system))
+                              (ly:output-def-lookup layout 'markup-markup-spacing))
+                             ((paper-system-title? system)
+                              (ly:output-def-lookup layout 'markup-system-spacing))
+                             ((and next-system
+                                   (paper-system-title? next-system))
+                              (ly:output-def-lookup layout 'score-markup-spacing))
+                             ((not next-system)
+                              (ly:output-def-lookup layout 'last-bottom-spacing))
+                             ((ly:prob-property system 'last-in-score #f)
+                              (ly:output-def-lookup layout 'score-system-spacing))
+                             (else
+                              (ly:output-def-lookup layout 'system-system-spacing))))
+         (last-staff-Y (car (paper-system-staff-extents system)))
+         (system-Y (ly:prob-property system 'Y-offset 0.0))
+         (system-X (ly:prob-property system 'X-offset 0.0))
+         (next-system-Y (and next-system
+                             (ly:prob-property next-system 'Y-offset 0.0)))
+         (next-system-X (and next-system
+                             (ly:prob-property next-system 'X-offset 0.0)))
+         (first-staff-next-system-Y (if next-system
+                                        (- (+ (cdr (paper-system-staff-extents next-system))
+                                              system-Y)
+                                           next-system-Y)
+                                        (+ system-Y top-margin bottom-margin (- paper-height))))
 
-	 (skyline (or
-		   (ly:prob-property system 'vertical-skylines #f)
-		   (paper-system-extent system Y)))
-	 (next-skyline (and next-system
-			    (or
-			     (ly:prob-property next-system 'vertical-skylines #f)
-			     (paper-system-extent next-system Y))))
-	 (horizon-padding (and
-			   (ly:grob? grob)
-			   (ly:grob-property grob 'skyline-horizontal-padding 0)))
-	 (padding-annotation (if (skyline-pair-and-non-empty? next-system)
-				 (annotate-padding
-				   (- system-Y) system-X skyline (paper-system-extent system X)
-				   (- next-system-Y) next-system-X next-skyline (paper-system-extent next-system X)
-				   layout
-				   horizon-padding
-				   (assoc-get 'padding spacing-spec 0.0)
-				   #:base-color blue)
-				 empty-stencil))
+         (skyline (or
+                   (ly:prob-property system 'vertical-skylines #f)
+                   (paper-system-extent system Y)))
+         (next-skyline (and next-system
+                            (or
+                             (ly:prob-property next-system 'vertical-skylines #f)
+                             (paper-system-extent next-system Y))))
+         (horizon-padding (and
+                           (ly:grob? grob)
+                           (ly:grob-property grob 'skyline-horizontal-padding 0)))
+         (padding-annotation (if (skyline-pair-and-non-empty? next-system)
+                                 (annotate-padding
+                                  (- system-Y) system-X skyline (paper-system-extent system X)
+                                  (- next-system-Y) next-system-X next-skyline (paper-system-extent next-system X)
+                                  layout
+                                  horizon-padding
+                                  (assoc-get 'padding spacing-spec 0.0)
+                                  #:base-color blue)
+                                 empty-stencil))
 
-	 (system-annotation (annotate-spacing-spec
-			     layout spacing-spec
-			     last-staff-Y
-			     first-staff-next-system-Y))
-	 (annotations (ly:stencil-add
-		       padding-annotation
-		       (stack-stencils Y DOWN 0.0 staff-padding-annotations)
-		       (stack-stencils Y DOWN 0.0 (append staff-annotations (list system-annotation))))))
+         (system-annotation (annotate-spacing-spec
+                             layout spacing-spec
+                             last-staff-Y
+                             first-staff-next-system-Y))
+         (annotations (ly:stencil-add
+                       padding-annotation
+                       (stack-stencils Y DOWN 0.0 staff-padding-annotations)
+                       (stack-stencils Y DOWN 0.0 (append staff-annotations (list system-annotation))))))
 
-     (if estimate-extent
-	(set! annotations
-	      (stack-stencils X RIGHT 5.5
-			      (list annotations
-				    estimate-extent))))
+    (if estimate-extent
+        (set! annotations
+              (stack-stencils X RIGHT 5.5
+                              (list annotations
+                                    estimate-extent))))
 
-     (if (not (null? annotations))
-	 (set! (ly:prob-property system 'stencil)
-	       (ly:stencil-add
-		(ly:prob-property system 'stencil)
-		(ly:make-stencil
-		 (ly:stencil-expr annotations)
-		 (ly:stencil-extent empty-stencil X)
-		 (ly:stencil-extent empty-stencil Y)))))
-     (ly:prob-property system 'stencil)))
+    (if (not (null? annotations))
+        (set! (ly:prob-property system 'stencil)
+              (ly:stencil-add
+               (ly:prob-property system 'stencil)
+               (ly:make-stencil
+                (ly:stencil-expr annotations)
+                (ly:stencil-extent empty-stencil X)
+                (ly:stencil-extent empty-stencil Y)))))
+    (ly:prob-property system 'stencil)))
diff --git a/scm/paper.scm b/scm/paper.scm
index 4cd029b75e..5e788af312 100644
--- a/scm/paper.scm
+++ b/scm/paper.scm
@@ -15,38 +15,38 @@
 ;;;; You should have received a copy of the GNU General Public License
 ;;;; along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 
-; for define-safe-public when byte-compiling using Guile V2
+                                        ; for define-safe-public when byte-compiling using Guile V2
 (use-modules (scm safe-utility-defs))
 
 (define-public (set-paper-dimension-variables mod)
   (module-define! mod 'dimension-variables
-		  '(blot-diameter
-		    bottom-margin
-		    cm
-		    footnote-footer-padding
-		    footnote-padding
-		    horizontal-shift
-		    in
-		    indent
-		    inner-margin
-		    inner-margin-default-scaled
-		    ledger-line-thickness
-		    left-margin
+                  '(blot-diameter
+                    bottom-margin
+                    cm
+                    footnote-footer-padding
+                    footnote-padding
+                    horizontal-shift
+                    in
+                    indent
+                    inner-margin
+                    inner-margin-default-scaled
+                    ledger-line-thickness
+                    left-margin
                     left-margin-default-scaled
-		    line-thickness
-		    line-width
-		    mm
-		    outer-margin
-		    outer-margin-default-scaled
-		    paper-height
-		    paper-width
-		    pt
-		    right-margin
+                    line-thickness
+                    line-width
+                    mm
+                    outer-margin
+                    outer-margin-default-scaled
+                    paper-height
+                    paper-width
+                    pt
+                    right-margin
                     right-margin-default-scaled
-		    short-indent
-		    staff-height
-		    staff-space
-		    top-margin)))
+                    short-indent
+                    staff-height
+                    staff-space
+                    top-margin)))
 
 (define (calc-line-thickness staff-space pt)
   ;; linear interpolation.
@@ -70,7 +70,7 @@
        (ss (/ staff-height 4))
        (factor (/ staff-height (* 20 pt)))
        (setm! (lambda (sym val)
-		(module-define! module sym val))))
+                (module-define! module sym val))))
 
     ;; Synchronized with the `text-font-size'
     ;; binding in add-pango-fonts (see font.scm).
@@ -104,23 +104,23 @@
 (define-safe-public (set-global-staff-size sz)
   "Set the default staff size, where SZ is thought to be in PT."
   (let* ((current-mod (current-module))
-	 (parser (eval 'parser current-mod))
-	 (pap (ly:parser-lookup parser '$defaultpaper))
-	 (in-layout? (or (module-defined? current-mod 'is-paper)
-			 (module-defined? current-mod 'is-layout)))
-
-	 ;; maybe not necessary.
-	 ;; but let's be paranoid. Maybe someone still refers to the
-	 ;; old one.
-	 (new-paper (ly:output-def-clone pap))
+         (parser (eval 'parser current-mod))
+         (pap (ly:parser-lookup parser '$defaultpaper))
+         (in-layout? (or (module-defined? current-mod 'is-paper)
+                         (module-defined? current-mod 'is-layout)))
+
+         ;; maybe not necessary.
+         ;; but let's be paranoid. Maybe someone still refers to the
+         ;; old one.
+         (new-paper (ly:output-def-clone pap))
 
-	 (new-scope (ly:output-def-scope new-paper)))
+         (new-scope (ly:output-def-scope new-paper)))
 
     (if in-layout?
-	(ly:warning (_ "set-global-staff-size: not in toplevel scope")))
+        (ly:warning (_ "set-global-staff-size: not in toplevel scope")))
 
     (layout-set-absolute-staff-size-in-module new-scope
-					      (* sz (eval 'pt new-scope)))
+                                              (* sz (eval 'pt new-scope)))
     (module-define! current-mod '$defaultpaper new-paper)))
 
 (define-public paper-alist
@@ -245,17 +245,17 @@
 where @var{landscape?} specifies whether the dimensions should be swapped
 unless explicitly overriden in the name."
   (let* ((swapped?
-	  (cond ((string-suffix? "landscape" name)
-		 (set! name
-		       (string-trim-right (string-drop-right name 9)))
-		 #t)
-		((string-suffix? "portrait" name)
-		 (set! name
-		       (string-trim-right (string-drop-right name 8)))
-		 #f)
-		(else landscape?)))
-	 (is-paper? (module-defined? module 'is-paper))
-	 (entry (and is-paper?
+          (cond ((string-suffix? "landscape" name)
+                 (set! name
+                       (string-trim-right (string-drop-right name 9)))
+                 #t)
+                ((string-suffix? "portrait" name)
+                 (set! name
+                       (string-trim-right (string-drop-right name 8)))
+                 #f)
+                (else landscape?)))
+         (is-paper? (module-defined? module 'is-paper))
+         (entry (and is-paper?
                      (eval-carefully (assoc-get name paper-alist)
                                      module
                                      #f))))
@@ -275,21 +275,21 @@ unless explicitly overriden in the name."
        ;; Output_def::normalize () needs to know
        ;; whether the user set the value or not.
        (scaleable-values '(("left-margin" #f . #t)
-			   ("right-margin" #f . #t)
-			   ("inner-margin" #f . #t)
-			   ("outer-margin" #f . #t)
-			   ("binding-offset" #f . #f)
-			   ("top-margin" #t . #f)
-			   ("bottom-margin" #t . #f)
-			   ("indent" #f . #f)
-			   ("short-indent" #f . #f)))
+                           ("right-margin" #f . #t)
+                           ("inner-margin" #f . #t)
+                           ("outer-margin" #f . #t)
+                           ("binding-offset" #f . #f)
+                           ("top-margin" #t . #f)
+                           ("bottom-margin" #t . #f)
+                           ("indent" #f . #f)
+                           ("short-indent" #f . #f)))
        (scaled-values
-	(map
+        (map
          (lambda (entry)
            (let ((entry-symbol
-		  (string->symbol
-		   (string-append (car entry) "-default")))
-		 (vertical? (cadr entry)))
+                  (string->symbol
+                   (string-append (car entry) "-default")))
+                 (vertical? (cadr entry)))
              (cons (if (cddr entry)
                        (string-append (car entry) "-default-scaled")
                        (car entry))
@@ -308,8 +308,8 @@ unless explicitly overriden in the name."
     (for-each
      (lambda (value)
        (let ((value-symbol (string->symbol (car value)))
-	     (number (cdr value)))
-	 (module-define! m value-symbol number)))
+             (number (cdr value)))
+         (module-define! m value-symbol number)))
      scaled-values)))
 
 (define (internal-set-paper-size module name landscape?)
@@ -320,10 +320,10 @@ unless explicitly overriden in the name."
       (ly:warning (_ "This is not a \\layout {} object, ~S") module))
      (entry
       (set-paper-dimensions module (car entry) (cdr entry) landscape?)
-      
+
       (module-define! module 'papersizename name)
       (module-define! module 'landscape
-		      (if landscape? #t #f)))
+                      (if landscape? #t #f)))
      (else
       (ly:warning (_ "Unknown paper size: ~a") name)))))
 
@@ -340,7 +340,7 @@ unless explicitly overriden in the name."
 (define-public (set-paper-size name . rest)
   (if (module-defined? (current-module) 'is-paper)
       (internal-set-paper-size (current-module) name
-			       (memq 'landscape rest))
+                               (memq 'landscape rest))
 
       ;;; TODO: should raise (generic) exception with throw, and catch
       ;;; that in parse-scm.cc
@@ -349,19 +349,19 @@ unless explicitly overriden in the name."
 (define-public (scale-layout paper scale)
   "Return a clone of the paper, scaled by the given scale factor."
   (let* ((new-paper (ly:output-def-clone paper))
-	 (dim-vars (ly:output-def-lookup paper 'dimension-variables))
-	 (old-scope (ly:output-def-scope paper))
-	 (scope (ly:output-def-scope new-paper)))
+         (dim-vars (ly:output-def-lookup paper 'dimension-variables))
+         (old-scope (ly:output-def-scope paper))
+         (scope (ly:output-def-scope new-paper)))
 
     (for-each
      (lambda (v)
        (let* ((var (module-variable old-scope v))
-	      (val (if (variable? var) (variable-ref var) #f)))
+              (val (if (variable? var) (variable-ref var) #f)))
 
-	 (if (number? val)
-	     (module-define! scope v (/ val scale))
-	     ;; Cannot warn for non-numbers, eg. for paper-width, paper-height.
-	     )))
+         (if (number? val)
+             (module-define! scope v (/ val scale))
+             ;; Cannot warn for non-numbers, eg. for paper-width, paper-height.
+             )))
      dim-vars)
     ;; Mark the clone.
     (ly:output-def-set-variable! new-paper 'cloned #t)
diff --git a/scm/parser-clef.scm b/scm/parser-clef.scm
index 5dd09a059d..719cc4ce50 100644
--- a/scm/parser-clef.scm
+++ b/scm/parser-clef.scm
@@ -122,23 +122,23 @@
       (map (lambda (x) (set! (ly:music-property m (car x)) (cdr x))) props)
       m))
   (let ((e '())
-	(c0 0)
-	(oct 0)
-	(style 'default)
-	(match (string-match "^(.*)([_^])([^0-9a-zA-Z]*)([1-9][0-9]*)([^0-9a-zA-Z]*)$" clef-name)))
+        (c0 0)
+        (oct 0)
+        (style 'default)
+        (match (string-match "^(.*)([_^])([^0-9a-zA-Z]*)([1-9][0-9]*)([^0-9a-zA-Z]*)$" clef-name)))
     (if match
-	(begin
-	  (set! clef-name (match:substring match 1))
-	  (set! oct
-		(* (if (equal? (match:substring match 2) "^") -1 1)
-		   (- (string->number (match:substring match 4)) 1)))
+        (begin
+          (set! clef-name (match:substring match 1))
+          (set! oct
+                (* (if (equal? (match:substring match 2) "^") -1 1)
+                   (- (string->number (match:substring match 4)) 1)))
           (set! style
                 (cond ((equal? (match:substring match 3) "(") 'parenthesized)
                       ((equal? (match:substring match 3) "[") 'bracketed)
                       (else style)))))
     (set! e (assoc-get clef-name supported-clefs))
     (if e
-	(let* ((prop-list `(((symbol . clefGlyph) (value . ,(car e)))
+        (let* ((prop-list `(((symbol . clefGlyph) (value . ,(car e)))
                             ((symbol . middleCClefPosition)
                              (value . ,(+ oct
                                           (cadr e)
@@ -150,22 +150,22 @@
                (prop-list (if (eq? style 'default)
                               prop-list
                               (append
-                                prop-list
-                                `(((symbol . clefTranspositionStyle)
-                                   (value . ,style))))))
-	       (musics (map make-prop-set prop-list))
-	       (recalc-mid-C (make-music 'ApplyContext))
-	       (seq (make-music 'SequentialMusic
-				'elements (append musics (list recalc-mid-C))))
-	       (csp (make-music 'ContextSpeccedMusic)))
-	  (set! (ly:music-property recalc-mid-C 'procedure) ly:set-middle-C!)
-	  (context-spec-music seq 'Staff))
-	(begin
-	  (ly:warning (_ "unknown clef type `~a'") clef-name)
-	  (ly:warning (_ "supported clefs: ~a")
-		      (string-join
-		       (sort (map car supported-clefs) string<?)))
-	  (make-music 'Music)))))
+                               prop-list
+                               `(((symbol . clefTranspositionStyle)
+                                  (value . ,style))))))
+               (musics (map make-prop-set prop-list))
+               (recalc-mid-C (make-music 'ApplyContext))
+               (seq (make-music 'SequentialMusic
+                                'elements (append musics (list recalc-mid-C))))
+               (csp (make-music 'ContextSpeccedMusic)))
+          (set! (ly:music-property recalc-mid-C 'procedure) ly:set-middle-C!)
+          (context-spec-music seq 'Staff))
+        (begin
+          (ly:warning (_ "unknown clef type `~a'") clef-name)
+          (ly:warning (_ "supported clefs: ~a")
+                      (string-join
+                       (sort (map car supported-clefs) string<?)))
+          (make-music 'Music)))))
 
 (define-public (make-cue-clef-set clef-name)
   "Generate the clef setting commands for a cue clef with name
diff --git a/scm/parser-ly-from-scheme.scm b/scm/parser-ly-from-scheme.scm
index 23978608a2..7d72a25e87 100644
--- a/scm/parser-ly-from-scheme.scm
+++ b/scm/parser-ly-from-scheme.scm
@@ -21,58 +21,58 @@
 from @var{port} and return the corresponding Scheme music expression.
 @samp{$} and @samp{#} introduce immediate and normal Scheme forms."
   (let* ((closures '())
-	 (filename (port-filename port))
-	 (line (port-line port))
-	 (lily-string (call-with-output-string
-		       (lambda (out)
-			 (let ((copycat 
-				(make-soft-port
-				 (vector #f #f #f
-					 (lambda ()
-					   (let ((x (read-char port)))
-					     (write-char x out)
-					     x)) #f)
-				 "r")))
-			   (set-port-filename! copycat filename)
-			   (do ((c (read-char port) (read-char port)))
-			       ((and (char=? c #\#)
-				     (char=? (peek-char port) #\}))
-				;; we stop when #} is encountered
-				(read-char port))
-			     (write-char c out)
-			     ;; a #scheme or $scheme expression
-			     (if (or (char=? c #\#) (char=? c #\$))
-				 (let* ((p (ftell out))
-					(expr
-					 (begin
-					   (set-port-line! copycat
-							   (port-line port))
-					   (set-port-column! copycat
-							     (port-column port))
-					   (if (char=? (peek-char port) #\@)
-					       (read-char copycat))
-					   (read copycat))))
-				   ;; kill unused lookahead, it has been
-				   ;; written out already
-				   (drain-input copycat)
-				   ;; only put symbols and non-quote
-				   ;; lists into closures -- constants
-				   ;; don't need lexical environments
-				   ;; for evaluation.
-				   (if (or (symbol? expr)
-					   (and (pair? expr)
-						(not (eq? 'quote (car expr)))))
-				       (set! closures
-					     (cons `(cons ,p (lambda () ,expr))
-						   closures)))))))))))
+         (filename (port-filename port))
+         (line (port-line port))
+         (lily-string (call-with-output-string
+                       (lambda (out)
+                         (let ((copycat
+                                (make-soft-port
+                                 (vector #f #f #f
+                                         (lambda ()
+                                           (let ((x (read-char port)))
+                                             (write-char x out)
+                                             x)) #f)
+                                 "r")))
+                           (set-port-filename! copycat filename)
+                           (do ((c (read-char port) (read-char port)))
+                               ((and (char=? c #\#)
+                                     (char=? (peek-char port) #\}))
+                                ;; we stop when #} is encountered
+                                (read-char port))
+                             (write-char c out)
+                             ;; a #scheme or $scheme expression
+                             (if (or (char=? c #\#) (char=? c #\$))
+                                 (let* ((p (ftell out))
+                                        (expr
+                                         (begin
+                                           (set-port-line! copycat
+                                                           (port-line port))
+                                           (set-port-column! copycat
+                                                             (port-column port))
+                                           (if (char=? (peek-char port) #\@)
+                                               (read-char copycat))
+                                           (read copycat))))
+                                   ;; kill unused lookahead, it has been
+                                   ;; written out already
+                                   (drain-input copycat)
+                                   ;; only put symbols and non-quote
+                                   ;; lists into closures -- constants
+                                   ;; don't need lexical environments
+                                   ;; for evaluation.
+                                   (if (or (symbol? expr)
+                                           (and (pair? expr)
+                                                (not (eq? 'quote (car expr)))))
+                                       (set! closures
+                                             (cons `(cons ,p (lambda () ,expr))
+                                                   closures)))))))))))
     (define (embedded-lilypond parser lily-string filename line
                                closures location)
       (let* ((clone (ly:parser-clone parser closures location))
-	     (result (ly:parse-string-expression clone lily-string
-						 filename line)))
-	(if (ly:parser-has-error? clone)
-	    (ly:parser-error parser (_ "error in #{ ... #}")))
-	result))
+             (result (ly:parse-string-expression clone lily-string
+                                                 filename line)))
+        (if (ly:parser-has-error? clone)
+            (ly:parser-error parser (_ "error in #{ ... #}")))
+        result))
     (list embedded-lilypond
           'parser lily-string filename line
           (cons 'list (reverse! closures))
diff --git a/scm/part-combiner.scm b/scm/part-combiner.scm
index 279123222b..dadce94863 100644
--- a/scm/part-combiner.scm
+++ b/scm/part-combiner.scm
@@ -46,10 +46,10 @@
 
 (define-method (previous-voice-state (vs <Voice-state>))
   (let ((i (slot-ref vs 'vector-index))
-	(v (slot-ref vs 'state-vector)))
+        (v (slot-ref vs 'state-vector)))
     (if (< 0 i)
-	(vector-ref v (1- i))
-	#f)))
+        (vector-ref v (1- i))
+        #f)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
@@ -62,7 +62,7 @@
   ;; voice-states are states starting with the Split-state or later
   ;;
   (is #:init-keyword #:voice-states #:accessor voice-states)
-  (synced  #:init-keyword #:synced #:init-value	 #f #:getter synced?))
+  (synced  #:init-keyword #:synced #:init-value  #f #:getter synced?))
 
 
 (define-method (write (x <Split-state> ) f)
@@ -82,13 +82,13 @@
 
 (define (make-voice-states evl)
   (let ((vec (list->vector (map (lambda (v)
-				  (make <Voice-state>
-				    #:moment (caar v)
-				    #:tuning (cdar v)
-				    #:events (map car (cdr v))))
-				evl))))
+                                  (make <Voice-state>
+                                    #:moment (caar v)
+                                    #:tuning (cdar v)
+                                    #:events (map car (cdr v))))
+                                evl))))
     (do ((i 0 (1+ i)))
-	((= i (vector-length vec)) vec)
+        ((= i (vector-length vec)) vec)
       (slot-set! (vector-ref vec i) 'vector-index i)
       (slot-set! (vector-ref vec i) 'state-vector vec))))
 
@@ -99,29 +99,29 @@ Voice-state objects
 "
   (define (helper ss-idx ss-list idx1 idx2)
     (let* ((state1 (if (< idx1 (vector-length vs1)) (vector-ref vs1 idx1) #f))
-	   (state2 (if (< idx2 (vector-length vs2)) (vector-ref vs2 idx2) #f))
-	   (min (cond ((and state1 state2) (moment-min (moment state1) (moment state2)))
-		      (state1 (moment state1))
-		      (state2 (moment state2))
-		      (else #f)))
-	   (inc1 (if (and state1 (equal? min (moment state1))) 1 0))
-	   (inc2 (if (and state2 (equal? min (moment state2))) 1 0))
-	   (ss-object (if min
-			  (make <Split-state>
-			    #:moment min
-			    #:voice-states (cons state1 state2)
-			    #:synced (= inc1 inc2))
-			  #f)))
+           (state2 (if (< idx2 (vector-length vs2)) (vector-ref vs2 idx2) #f))
+           (min (cond ((and state1 state2) (moment-min (moment state1) (moment state2)))
+                      (state1 (moment state1))
+                      (state2 (moment state2))
+                      (else #f)))
+           (inc1 (if (and state1 (equal? min (moment state1))) 1 0))
+           (inc2 (if (and state2 (equal? min (moment state2))) 1 0))
+           (ss-object (if min
+                          (make <Split-state>
+                            #:moment min
+                            #:voice-states (cons state1 state2)
+                            #:synced (= inc1 inc2))
+                          #f)))
       (if state1
-	  (set! (split-index state1) ss-idx))
+          (set! (split-index state1) ss-idx))
       (if state2
-	  (set! (split-index state2) ss-idx))
+          (set! (split-index state2) ss-idx))
       (if min
-	  (helper (1+ ss-idx)
-		  (cons ss-object ss-list)
-		  (+ idx1 inc1)
-		  (+ idx2 inc2))
-	  ss-list)))
+          (helper (1+ ss-idx)
+                  (cons ss-object ss-list)
+                  (+ idx1 inc1)
+                  (+ idx2 inc2))
+          ss-list)))
   (list->vector (reverse! (helper 0 '() 0  0) '())))
 
 (define (analyse-spanner-states voice-state-vec)
@@ -131,70 +131,70 @@ Voice-state objects
 
     (define (analyse-tie-start active ev)
       (if (ly:in-event-class? ev 'tie-event)
-	  (acons 'tie (split-index (vector-ref voice-state-vec index))
-		 active)
-	  active))
+          (acons 'tie (split-index (vector-ref voice-state-vec index))
+                 active)
+          active))
 
     (define (analyse-tie-end active ev)
       (if (ly:in-event-class? ev 'note-event)
-	  (assoc-remove! active 'tie)
-	  active))
+          (assoc-remove! active 'tie)
+          active))
 
     (define (analyse-absdyn-end active ev)
       (if (or (ly:in-event-class? ev 'absolute-dynamic-event)
-	      (and (ly:in-event-class? ev 'span-dynamic-event)
-		   (equal? STOP (ly:event-property ev 'span-direction))))
-	  (assoc-remove! (assoc-remove! active 'cresc) 'decr)
-	  active))
+              (and (ly:in-event-class? ev 'span-dynamic-event)
+                   (equal? STOP (ly:event-property ev 'span-direction))))
+          (assoc-remove! (assoc-remove! active 'cresc) 'decr)
+          active))
 
     (define (active<? a b)
       (cond ((symbol<? (car a) (car b)) #t)
-	    ((symbol<? (car b) (car a)) #f)
-	    (else (< (cdr a) (cdr b)))))
+            ((symbol<? (car b) (car a)) #f)
+            (else (< (cdr a) (cdr b)))))
 
     (define (analyse-span-event active ev)
       (let* ((name (car (ly:event-property ev 'class)))
-	     (key (cond ((equal? name 'slur-event) 'slur)
-			((equal? name 'phrasing-slur-event) 'tie)
-			((equal? name 'beam-event) 'beam)
-			((equal? name 'crescendo-event) 'cresc)
-			((equal? name 'decrescendo-event) 'decr)
-			(else #f)))
-	     (sp (ly:event-property ev 'span-direction)))
-	(if (and (symbol? key) (ly:dir? sp))
-	    (if (= sp STOP)
-		(assoc-remove! active key)
-		(acons key
-		       (split-index (vector-ref voice-state-vec index))
-		       active))
-	    active)))
+             (key (cond ((equal? name 'slur-event) 'slur)
+                        ((equal? name 'phrasing-slur-event) 'tie)
+                        ((equal? name 'beam-event) 'beam)
+                        ((equal? name 'crescendo-event) 'cresc)
+                        ((equal? name 'decrescendo-event) 'decr)
+                        (else #f)))
+             (sp (ly:event-property ev 'span-direction)))
+        (if (and (symbol? key) (ly:dir? sp))
+            (if (= sp STOP)
+                (assoc-remove! active key)
+                (acons key
+                       (split-index (vector-ref voice-state-vec index))
+                       active))
+            active)))
 
     (define (analyse-events active evs)
       "Run all analyzers on ACTIVE and EVS"
       (define (run-analyzer analyzer active evs)
-	(if (pair? evs)
-	    (run-analyzer analyzer (analyzer active (car evs)) (cdr evs))
-	    active))
+        (if (pair? evs)
+            (run-analyzer analyzer (analyzer active (car evs)) (cdr evs))
+            active))
       (define (run-analyzers analyzers active evs)
-	(if (pair? analyzers)
-	    (run-analyzers (cdr analyzers)
-			   (run-analyzer (car analyzers) active evs)
-			   evs)
-	    active))
+        (if (pair? analyzers)
+            (run-analyzers (cdr analyzers)
+                           (run-analyzer (car analyzers) active evs)
+                           evs)
+            active))
       (sort ;; todo: use fold or somesuch.
        (run-analyzers (list analyse-absdyn-end analyse-span-event
-			    ;; note: tie-start/span comes after tie-end/absdyn.
-			    analyse-tie-end analyse-tie-start)
-		      active evs)
+                            ;; note: tie-start/span comes after tie-end/absdyn.
+                            analyse-tie-end analyse-tie-start)
+                      active evs)
        active<?))
 
     ;; must copy, since we use assoc-remove!
     (if (< index (vector-length voice-state-vec))
-	(begin
-	  (set! active (analyse-events active (events (vector-ref voice-state-vec index))))
-	  (set! (span-state (vector-ref voice-state-vec index))
-		(list-copy active))
-	  (helper (1+ index) active))))
+        (begin
+          (set! active (analyse-events active (events (vector-ref voice-state-vec index))))
+          (set! (span-state (vector-ref voice-state-vec index))
+                (list-copy active))
+          (helper (1+ index) active))))
 
   (helper 0 '()))
 
@@ -204,69 +204,69 @@ Voice-state objects
 in a chronological list, similar to the @code{Recording_group_engraver} in
 LilyPond version 2.8 and earlier."
   (let*
-     ((context-list '())
-      (now-mom (ly:make-moment 0 0))
-      (global (ly:make-global-context odef))
-      (mom-listener (ly:make-listener
-             (lambda (tev) (set! now-mom (ly:event-property tev 'moment)))))
-      (new-context-listener
-       (ly:make-listener
-        (lambda (sev)
-          (let*
-             ((child (ly:event-property sev 'context))
-              (this-moment-list (cons (ly:context-id child) '()))
-              (dummy (set! context-list (cons this-moment-list context-list)))
-              (acc '())
-              (accumulate-event-listener
-                  (ly:make-listener (lambda (ev)
-                                       (set! acc (cons (cons ev #t) acc)))))
-              (save-acc-listener
-                  (ly:make-listener (lambda (tev)
-                      (if (pair? acc)
-                        (let ((this-moment
-                              (cons (cons now-mom
-                                (ly:context-property child 'instrumentTransposition))
-                                ;; The accumulate-event-listener above creates
-                                ;; the list of events in reverse order, so we
-                                ;; have to revert it to the original order again
-                                (reverse acc))))
-                          (set-cdr! this-moment-list
-                                (cons this-moment (cdr this-moment-list)))
-                          (set! acc '())))))))
-            (ly:add-listener accumulate-event-listener
-                (ly:context-event-source child) 'StreamEvent)
-            (ly:add-listener save-acc-listener
-                (ly:context-event-source global) 'OneTimeStep))))))
+      ((context-list '())
+       (now-mom (ly:make-moment 0 0))
+       (global (ly:make-global-context odef))
+       (mom-listener (ly:make-listener
+                      (lambda (tev) (set! now-mom (ly:event-property tev 'moment)))))
+       (new-context-listener
+        (ly:make-listener
+         (lambda (sev)
+           (let*
+               ((child (ly:event-property sev 'context))
+                (this-moment-list (cons (ly:context-id child) '()))
+                (dummy (set! context-list (cons this-moment-list context-list)))
+                (acc '())
+                (accumulate-event-listener
+                 (ly:make-listener (lambda (ev)
+                                     (set! acc (cons (cons ev #t) acc)))))
+                (save-acc-listener
+                 (ly:make-listener (lambda (tev)
+                                     (if (pair? acc)
+                                         (let ((this-moment
+                                                (cons (cons now-mom
+                                                            (ly:context-property child 'instrumentTransposition))
+                                                      ;; The accumulate-event-listener above creates
+                                                      ;; the list of events in reverse order, so we
+                                                      ;; have to revert it to the original order again
+                                                      (reverse acc))))
+                                           (set-cdr! this-moment-list
+                                                     (cons this-moment (cdr this-moment-list)))
+                                           (set! acc '())))))))
+             (ly:add-listener accumulate-event-listener
+                              (ly:context-event-source child) 'StreamEvent)
+             (ly:add-listener save-acc-listener
+                              (ly:context-event-source global) 'OneTimeStep))))))
     (ly:add-listener new-context-listener
-        (ly:context-events-below global) 'AnnounceNewContext)
+                     (ly:context-events-below global) 'AnnounceNewContext)
     (ly:add-listener mom-listener (ly:context-event-source global) 'Prepare)
     (ly:interpret-music-expression (make-non-relative-music music) global)
     context-list))
 
 (define-public (make-part-combine-music parser music-list direction)
   (let* ((m (make-music 'PartCombineMusic))
-	 (m1 (make-non-relative-music (context-spec-music (first music-list) 'Voice "one")))
-	 (m2  (make-non-relative-music  (context-spec-music (second music-list) 'Voice "two")))
-	 (listener (ly:parser-lookup parser 'partCombineListener))
-	 (evs2 (recording-group-emulate m2 listener))
-	 (evs1 (recording-group-emulate m1 listener)))
+         (m1 (make-non-relative-music (context-spec-music (first music-list) 'Voice "one")))
+         (m2  (make-non-relative-music  (context-spec-music (second music-list) 'Voice "two")))
+         (listener (ly:parser-lookup parser 'partCombineListener))
+         (evs2 (recording-group-emulate m2 listener))
+         (evs1 (recording-group-emulate m1 listener)))
 
     (set! (ly:music-property m 'elements) (list m1 m2))
     (set! (ly:music-property m 'direction) direction)
     (set! (ly:music-property m 'split-list)
-	  (if (and (assoc "one" evs1) (assoc "two" evs2))
-	      (determine-split-list (reverse! (assoc-get "one" evs1) '())
-				    (reverse! (assoc-get "two" evs2) '()))
-	      '()))
+          (if (and (assoc "one" evs1) (assoc "two" evs2))
+              (determine-split-list (reverse! (assoc-get "one" evs1) '())
+                                    (reverse! (assoc-get "two" evs2) '()))
+              '()))
     m))
 
 (define-public (determine-split-list evl1 evl2)
   "@var{evl1} and @var{evl2} should be ascending."
   (let* ((pc-debug #f)
-	 (chord-threshold 8)
-	 (voice-state-vec1 (make-voice-states evl1))
-	 (voice-state-vec2 (make-voice-states evl2))
-	 (result (make-split-state voice-state-vec1 voice-state-vec2)))
+         (chord-threshold 8)
+         (voice-state-vec1 (make-voice-states evl1))
+         (voice-state-vec2 (make-voice-states evl2))
+         (result (make-split-state voice-state-vec1 voice-state-vec2)))
 
     ;; Go through all moments recursively and check if the events of that
     ;; moment contain a part-combine-force-event override. If so, store its
@@ -275,274 +275,274 @@ LilyPond version 2.8 and earlier."
     (define (analyse-forced-combine result-idx prev-res)
 
       (define (get-forced-event x)
-	(if (ly:in-event-class? x 'part-combine-force-event)
-	    (cons (ly:event-property x 'forced-type) (ly:event-property x 'once))
-	    #f))
+        (if (ly:in-event-class? x 'part-combine-force-event)
+            (cons (ly:event-property x 'forced-type) (ly:event-property x 'once))
+            #f))
       (define (part-combine-events vs)
-	(if (not vs)
-	    '()
-	    (filter-map get-forced-event (events vs))))
+        (if (not vs)
+            '()
+            (filter-map get-forced-event (events vs))))
       ;; end part-combine-events
 
       ;; forced-result: Take the previous config and analyse whether
       ;; any change happened.... Return new once and permanent config
       (define (forced-result evt state)
-	;; sanity check, evt should always be (new-state . once)
-	(if (not (and (pair? evt) (pair? state)))
-	    state
-	    (if (cdr evt)
-		;; Once-event, leave permanent state unchanged
-		(cons (car evt) (cdr state))
-		;; permanent change, leave once state unchanged
-		(cons (car state) (car evt)))))
+        ;; sanity check, evt should always be (new-state . once)
+        (if (not (and (pair? evt) (pair? state)))
+            state
+            (if (cdr evt)
+                ;; Once-event, leave permanent state unchanged
+                (cons (car evt) (cdr state))
+                ;; permanent change, leave once state unchanged
+                (cons (car state) (car evt)))))
       ;; end forced-combine-result
 
       ;; body of analyse-forced-combine:
       (if (< result-idx (vector-length result))
-	  (let* ((now-state (vector-ref result result-idx)) ; current result
-		 ;; Extract all part-combine force events
-		 (ev1 (part-combine-events (car (voice-states now-state))))
-		 (ev2 (part-combine-events (cdr (voice-states now-state))))
-		 (evts (append ev1 ev2))
-		 ;; result is (once-state permament-state):
-		 (state (fold forced-result (cons 'automatic prev-res) evts))
-		 ;; Now let once override permanent changes:
-		 (force-state (if (equal? (car state) 'automatic)
-				  (cdr state)
-				  (car state))))
-	    (set! (forced-configuration (vector-ref result result-idx))
-		  force-state)
-	    ;; For the next moment, ignore the once override (car stat)
-	    ;; and pass on the permanent override, stored as (cdr state)
-	    (analyse-forced-combine (1+ result-idx) (cdr state)))))
+          (let* ((now-state (vector-ref result result-idx)) ; current result
+                 ;; Extract all part-combine force events
+                 (ev1 (part-combine-events (car (voice-states now-state))))
+                 (ev2 (part-combine-events (cdr (voice-states now-state))))
+                 (evts (append ev1 ev2))
+                 ;; result is (once-state permament-state):
+                 (state (fold forced-result (cons 'automatic prev-res) evts))
+                 ;; Now let once override permanent changes:
+                 (force-state (if (equal? (car state) 'automatic)
+                                  (cdr state)
+                                  (car state))))
+            (set! (forced-configuration (vector-ref result result-idx))
+                  force-state)
+            ;; For the next moment, ignore the once override (car stat)
+            ;; and pass on the permanent override, stored as (cdr state)
+            (analyse-forced-combine (1+ result-idx) (cdr state)))))
     ;; end analyse-forced-combine
 
 
     (define (analyse-time-step result-idx)
       (define (put x . index)
-	"Put the result to X, starting from INDEX backwards.
+        "Put the result to X, starting from INDEX backwards.
 
 Only set if not set previously.
 "
-	(let ((i (if (pair? index) (car index) result-idx)))
-	  (if (and (<= 0 i)
-		   (not (symbol? (configuration (vector-ref result i)))))
-	      (begin
-		(set! (configuration (vector-ref result i)) x)
-		(put x (1- i))))))
+        (let ((i (if (pair? index) (car index) result-idx)))
+          (if (and (<= 0 i)
+                   (not (symbol? (configuration (vector-ref result i)))))
+              (begin
+                (set! (configuration (vector-ref result i)) x)
+                (put x (1- i))))))
 
       (define (copy-state-from state-vec vs)
-	(define (copy-one-state key-idx)
-	  (let* ((idx (cdr key-idx))
-		 (prev-ss (vector-ref result idx))
-		 (prev (configuration prev-ss)))
-	    (if (symbol? prev)
-		(put prev))))
-	(map copy-one-state (span-state vs)))
+        (define (copy-one-state key-idx)
+          (let* ((idx (cdr key-idx))
+                 (prev-ss (vector-ref result idx))
+                 (prev (configuration prev-ss)))
+            (if (symbol? prev)
+                (put prev))))
+        (map copy-one-state (span-state vs)))
 
       (define (analyse-notes now-state)
-	(let* ((vs1 (car (voice-states now-state)))
-	       (vs2 (cdr (voice-states now-state)))
-	       (notes1 (note-events vs1))
-	       (durs1 (sort (map (lambda (x) (ly:event-property x 'duration))
-				 notes1)
-			    ly:duration<?))
-	       (pitches1 (sort (map (lambda (x) (ly:event-property x 'pitch))
-				    notes1)
-			       ly:pitch<?))
-	       (notes2 (note-events vs2))
-	       (durs2 (sort (map (lambda (x) (ly:event-property x 'duration))
-				 notes2)
-			    ly:duration<?))
-	       (pitches2 (sort (map (lambda (x) (ly:event-property x 'pitch))
-				    notes2)
-			       ly:pitch<?)))
-	  (cond ((> (length notes1) 1) (put 'apart))
-		((> (length notes2) 1) (put 'apart))
-		((= 1 (+ (length notes2) (length notes1))) (put 'apart))
-		((and (= (length durs1) 1)
-		      (= (length durs2) 1)
-		      (not (equal? (car durs1) (car durs2))))
-		 (put 'apart))
-		(else
-		 (if (and (= (length pitches1) (length pitches2)))
-		     (if (and (pair? pitches1)
-			      (pair? pitches2)
-			      (or
-			       (< chord-threshold (ly:pitch-steps
-						   (ly:pitch-diff (car pitches1)
-								  (car pitches2))))
-
-			       ;; voice crossings:
-			       (> 0 (ly:pitch-steps (ly:pitch-diff (car pitches1)
-								   (car pitches2))))
-			       ))
-			 (put 'apart)
-			 ;; copy previous split state from spanner state
-			 (begin
-			   (if (previous-voice-state vs1)
-			       (copy-state-from voice-state-vec1
-						(previous-voice-state vs1)))
-			   (if (previous-voice-state vs2)
-			       (copy-state-from voice-state-vec2
-						(previous-voice-state vs2)))
-			   (if (and (null? (span-state vs1)) (null? (span-state vs2)))
-			       (put 'chords)))))))))
+        (let* ((vs1 (car (voice-states now-state)))
+               (vs2 (cdr (voice-states now-state)))
+               (notes1 (note-events vs1))
+               (durs1 (sort (map (lambda (x) (ly:event-property x 'duration))
+                                 notes1)
+                            ly:duration<?))
+               (pitches1 (sort (map (lambda (x) (ly:event-property x 'pitch))
+                                    notes1)
+                               ly:pitch<?))
+               (notes2 (note-events vs2))
+               (durs2 (sort (map (lambda (x) (ly:event-property x 'duration))
+                                 notes2)
+                            ly:duration<?))
+               (pitches2 (sort (map (lambda (x) (ly:event-property x 'pitch))
+                                    notes2)
+                               ly:pitch<?)))
+          (cond ((> (length notes1) 1) (put 'apart))
+                ((> (length notes2) 1) (put 'apart))
+                ((= 1 (+ (length notes2) (length notes1))) (put 'apart))
+                ((and (= (length durs1) 1)
+                      (= (length durs2) 1)
+                      (not (equal? (car durs1) (car durs2))))
+                 (put 'apart))
+                (else
+                 (if (and (= (length pitches1) (length pitches2)))
+                     (if (and (pair? pitches1)
+                              (pair? pitches2)
+                              (or
+                               (< chord-threshold (ly:pitch-steps
+                                                   (ly:pitch-diff (car pitches1)
+                                                                  (car pitches2))))
+
+                               ;; voice crossings:
+                               (> 0 (ly:pitch-steps (ly:pitch-diff (car pitches1)
+                                                                   (car pitches2))))
+                               ))
+                         (put 'apart)
+                         ;; copy previous split state from spanner state
+                         (begin
+                           (if (previous-voice-state vs1)
+                               (copy-state-from voice-state-vec1
+                                                (previous-voice-state vs1)))
+                           (if (previous-voice-state vs2)
+                               (copy-state-from voice-state-vec2
+                                                (previous-voice-state vs2)))
+                           (if (and (null? (span-state vs1)) (null? (span-state vs2)))
+                               (put 'chords)))))))))
 
       (if (< result-idx (vector-length result))
-	  (let* ((now-state (vector-ref result result-idx))
-		 (vs1 (car (voice-states now-state)))
-		 (vs2 (cdr (voice-states now-state))))
-
-	    (cond ((not vs1) (put 'apart))
-		  ((not vs2) (put 'apart))
-		  (else
-		   (let ((active1 (previous-span-state vs1))
-			 (active2 (previous-span-state vs2))
-			 (new-active1 (span-state vs1))
-			 (new-active2 (span-state vs2)))
-		     (if #f ; debug
-			 (display (list (moment now-state) result-idx
-					active1 "->" new-active1
-					active2 "->" new-active2
-					"\n")))
-		     (if (and (synced? now-state)
-			      (equal? active1 active2)
-			      (equal? new-active1 new-active2))
-			 (analyse-notes now-state)
-
-			 ;; active states different:
-			 (put 'apart)))
-
-		   ;; go to the next one, if it exists.
-		   (analyse-time-step (1+ result-idx)))))))
+          (let* ((now-state (vector-ref result result-idx))
+                 (vs1 (car (voice-states now-state)))
+                 (vs2 (cdr (voice-states now-state))))
+
+            (cond ((not vs1) (put 'apart))
+                  ((not vs2) (put 'apart))
+                  (else
+                   (let ((active1 (previous-span-state vs1))
+                         (active2 (previous-span-state vs2))
+                         (new-active1 (span-state vs1))
+                         (new-active2 (span-state vs2)))
+                     (if #f ; debug
+                         (display (list (moment now-state) result-idx
+                                        active1 "->" new-active1
+                                        active2 "->" new-active2
+                                        "\n")))
+                     (if (and (synced? now-state)
+                              (equal? active1 active2)
+                              (equal? new-active1 new-active2))
+                         (analyse-notes now-state)
+
+                         ;; active states different:
+                         (put 'apart)))
+
+                   ;; go to the next one, if it exists.
+                   (analyse-time-step (1+ result-idx)))))))
 
     (define (analyse-a2 result-idx)
       (if (< result-idx (vector-length result))
-	  (let* ((now-state (vector-ref result result-idx))
-		 (vs1 (car (voice-states now-state)))
-		 (vs2 (cdr (voice-states now-state))))
-	    (if (and (equal? (configuration now-state) 'chords)
-		     vs1 vs2)
-		(let ((notes1 (note-events vs1))
-		      (notes2 (note-events vs2)))
-		  (cond ((and (= 1 (length notes1))
-			      (= 1 (length notes2))
-			      (equal? (ly:event-property (car notes1) 'pitch)
-				      (ly:event-property (car notes2) 'pitch)))
-			 (set! (configuration now-state) 'unisono))
-			((and (= 0 (length notes1))
-			      (= 0 (length notes2)))
-			 (set! (configuration now-state) 'unisilence)))))
-	    (analyse-a2 (1+ result-idx)))))
+          (let* ((now-state (vector-ref result result-idx))
+                 (vs1 (car (voice-states now-state)))
+                 (vs2 (cdr (voice-states now-state))))
+            (if (and (equal? (configuration now-state) 'chords)
+                     vs1 vs2)
+                (let ((notes1 (note-events vs1))
+                      (notes2 (note-events vs2)))
+                  (cond ((and (= 1 (length notes1))
+                              (= 1 (length notes2))
+                              (equal? (ly:event-property (car notes1) 'pitch)
+                                      (ly:event-property (car notes2) 'pitch)))
+                         (set! (configuration now-state) 'unisono))
+                        ((and (= 0 (length notes1))
+                              (= 0 (length notes2)))
+                         (set! (configuration now-state) 'unisilence)))))
+            (analyse-a2 (1+ result-idx)))))
 
     (define (analyse-solo12 result-idx)
 
       (define (previous-config vs)
-	(let* ((pvs (previous-voice-state vs))
-	       (spi (if pvs (split-index pvs) #f))
-	       (prev-split (if spi (vector-ref result spi) #f)))
-	  (if prev-split
-	      (configuration prev-split)
-	      'apart)))
+        (let* ((pvs (previous-voice-state vs))
+               (spi (if pvs (split-index pvs) #f))
+               (prev-split (if spi (vector-ref result spi) #f)))
+          (if prev-split
+              (configuration prev-split)
+              'apart)))
 
       (define (put-range x a b)
-	;; (display (list "put range "	x a b "\n"))
-	(do ((i a (1+ i)))
-	    ((> i b) b)
-	  (set! (configuration (vector-ref result i)) x)))
+        ;; (display (list "put range "  x a b "\n"))
+        (do ((i a (1+ i)))
+            ((> i b) b)
+          (set! (configuration (vector-ref result i)) x)))
 
       (define (put x)
-	;; (display (list "putting "  x "\n"))
-	(set! (configuration (vector-ref result result-idx)) x))
+        ;; (display (list "putting "  x "\n"))
+        (set! (configuration (vector-ref result result-idx)) x))
 
       (define (current-voice-state now-state voice-num)
-	(define vs ((if (= 1 voice-num) car cdr)
-		    (voice-states now-state)))
-	(if (or (not vs) (equal? (moment now-state) (moment vs)))
-	    vs
-	    (previous-voice-state vs)))
+        (define vs ((if (= 1 voice-num) car cdr)
+                    (voice-states now-state)))
+        (if (or (not vs) (equal? (moment now-state) (moment vs)))
+            vs
+            (previous-voice-state vs)))
 
       (define (try-solo type start-idx current-idx)
-	"Find a maximum stretch that can be marked as solo.  Only set
+        "Find a maximum stretch that can be marked as solo.  Only set
 the mark when there are no spanners active.
 
       return next idx to analyse.
 "
-	(if (< current-idx (vector-length result))
-	    (let* ((now-state (vector-ref result current-idx))
-		   (solo-state (current-voice-state now-state (if (equal? type 'solo1) 1 2)))
-		   (silent-state (current-voice-state now-state (if (equal? type 'solo1) 2 1)))
-		   (silent-notes (if silent-state (note-events silent-state) '()))
-		   (solo-notes (if solo-state (note-events solo-state) '())))
-	      ;; (display (list "trying " type " at "  (moment now-state) solo-state silent-state	 "\n"))
-	      (cond ((not (equal? (configuration now-state) 'apart))
-		     current-idx)
-		    ((> (length silent-notes) 0) start-idx)
-		    ((not solo-state)
-		     (put-range type start-idx current-idx)
-		     current-idx)
-		    ((and
-		      (null? (span-state solo-state)))
-
-		     ;;
-		     ;; This includes rests. This isn't a problem: long rests
-		     ;; will be shared with the silent voice, and be marked
-		     ;; as unisilence. Therefore, long rests won't
-		     ;;	 accidentally be part of a solo.
-		     ;;
-		     (put-range type start-idx current-idx)
-		     (try-solo type (1+ current-idx) (1+  current-idx)))
-		    (else
-		     (try-solo type start-idx (1+ current-idx)))))
-	    ;; try-solo
-	    start-idx))
+        (if (< current-idx (vector-length result))
+            (let* ((now-state (vector-ref result current-idx))
+                   (solo-state (current-voice-state now-state (if (equal? type 'solo1) 1 2)))
+                   (silent-state (current-voice-state now-state (if (equal? type 'solo1) 2 1)))
+                   (silent-notes (if silent-state (note-events silent-state) '()))
+                   (solo-notes (if solo-state (note-events solo-state) '())))
+              ;; (display (list "trying " type " at "  (moment now-state) solo-state silent-state        "\n"))
+              (cond ((not (equal? (configuration now-state) 'apart))
+                     current-idx)
+                    ((> (length silent-notes) 0) start-idx)
+                    ((not solo-state)
+                     (put-range type start-idx current-idx)
+                     current-idx)
+                    ((and
+                      (null? (span-state solo-state)))
+
+                     ;;
+                     ;; This includes rests. This isn't a problem: long rests
+                     ;; will be shared with the silent voice, and be marked
+                     ;; as unisilence. Therefore, long rests won't
+                     ;;  accidentally be part of a solo.
+                     ;;
+                     (put-range type start-idx current-idx)
+                     (try-solo type (1+ current-idx) (1+  current-idx)))
+                    (else
+                     (try-solo type start-idx (1+ current-idx)))))
+            ;; try-solo
+            start-idx))
 
       (define (analyse-moment result-idx)
-	"Analyse 'apart starting at RESULT-IDX.  Return next index."
-	(let* ((now-state (vector-ref result result-idx))
-	       (vs1 (current-voice-state now-state 1))
-	       (vs2 (current-voice-state now-state 2))
-	       ;; (vs1 (car (voice-states now-state)))
-	       ;; (vs2 (cdr (voice-states now-state)))
-	       (notes1 (if vs1 (note-events vs1) '()))
-	       (notes2 (if vs2 (note-events vs2) '()))
-	       (n1 (length notes1))
-	       (n2 (length notes2)))
-	  ;; (display (list "analyzing step " result-idx "  moment " (moment now-state) vs1 vs2  "\n"))
-	  (max
-	   ;; we should always increase.
-	   (cond ((and (= n1 0) (= n2 0))
-		  (put 'apart-silence)
-		  (1+ result-idx))
-		 ((and (= n2 0)
-		       (equal? (moment vs1) (moment now-state))
-		       (null? (previous-span-state vs1)))
-		  (try-solo 'solo1 result-idx result-idx))
-		 ((and (= n1 0)
-		       (equal? (moment vs2) (moment now-state))
-		       (null? (previous-span-state vs2)))
-		  (try-solo 'solo2 result-idx result-idx))
-
-		 (else (1+ result-idx)))
-	   ;; analyse-moment
-	   (1+ result-idx))))
+        "Analyse 'apart starting at RESULT-IDX.  Return next index."
+        (let* ((now-state (vector-ref result result-idx))
+               (vs1 (current-voice-state now-state 1))
+               (vs2 (current-voice-state now-state 2))
+               ;; (vs1 (car (voice-states now-state)))
+               ;; (vs2 (cdr (voice-states now-state)))
+               (notes1 (if vs1 (note-events vs1) '()))
+               (notes2 (if vs2 (note-events vs2) '()))
+               (n1 (length notes1))
+               (n2 (length notes2)))
+          ;; (display (list "analyzing step " result-idx "  moment " (moment now-state) vs1 vs2  "\n"))
+          (max
+           ;; we should always increase.
+           (cond ((and (= n1 0) (= n2 0))
+                  (put 'apart-silence)
+                  (1+ result-idx))
+                 ((and (= n2 0)
+                       (equal? (moment vs1) (moment now-state))
+                       (null? (previous-span-state vs1)))
+                  (try-solo 'solo1 result-idx result-idx))
+                 ((and (= n1 0)
+                       (equal? (moment vs2) (moment now-state))
+                       (null? (previous-span-state vs2)))
+                  (try-solo 'solo2 result-idx result-idx))
+
+                 (else (1+ result-idx)))
+           ;; analyse-moment
+           (1+ result-idx))))
 
       (if (< result-idx (vector-length result))
-	  (if (equal? (configuration (vector-ref result result-idx)) 'apart)
-	      (analyse-solo12 (analyse-moment result-idx))
-	      (analyse-solo12 (1+ result-idx))))) ; analyse-solo12
+          (if (equal? (configuration (vector-ref result result-idx)) 'apart)
+              (analyse-solo12 (analyse-moment result-idx))
+              (analyse-solo12 (1+ result-idx))))) ; analyse-solo12
 
     (analyse-spanner-states voice-state-vec1)
     (analyse-spanner-states voice-state-vec2)
     (if #f
-	(begin
-	  (display voice-state-vec1)
-	  (display "***\n")
-	  (display voice-state-vec2)
-	  (display "***\n")
-	  (display result)
-	  (display "***\n")))
+        (begin
+          (display voice-state-vec1)
+          (display "***\n")
+          (display voice-state-vec2)
+          (display "***\n")
+          (display result)
+          (display "***\n")))
 
     ;; Extract all forced combine strategies, i.e. events inserted by
     ;; \partcombine(Apart|Automatic|SoloI|SoloII|Chords)[Once]
@@ -560,11 +560,11 @@ the mark when there are no spanners active.
     (analyse-solo12 0)
     ;; (display result)
     (set! result (map
-		  ;; forced-configuration overrides, if it is set
-		  (lambda (x) (cons (moment x) (or (forced-configuration x) (configuration x))))
-		  (vector->list result)))
+                  ;; forced-configuration overrides, if it is set
+                  (lambda (x) (cons (moment x) (or (forced-configuration x) (configuration x))))
+                  (vector->list result)))
     (if #f ;; pc-debug
-	 (display result))
+        (display result))
     result))
 
 
diff --git a/scm/predefined-fretboards.scm b/scm/predefined-fretboards.scm
index d3286c45d1..be46fb3a3f 100644
--- a/scm/predefined-fretboards.scm
+++ b/scm/predefined-fretboards.scm
@@ -19,40 +19,40 @@
 (define-public (parse-terse-string terse-definition)
   "Parse a @code{fret-diagram-terse} definition string @var{terse-definition}
 and return a marking list, which can be used with a fretboard grob."
-   (cdr (fret-parse-terse-definition-string (list '()) terse-definition)))
+  (cdr (fret-parse-terse-definition-string (list '()) terse-definition)))
 
 (define-public (get-chord-shape shape-code tuning base-chord-shapes)
   "Return the chord shape associated with @var{shape-code} and
 @var{tuning} in the hash-table @var{base-chord-shapes}."
   (let ((hash-handle (hash-get-handle base-chord-shapes
-                                       (cons shape-code tuning))))
-     (if hash-handle
-         (cdr hash-handle)
-         '())))
+                                      (cons shape-code tuning))))
+    (if hash-handle
+        (cdr hash-handle)
+        '())))
 
 (define-public (offset-fret fret-offset diagram-definition)
   "Add @var{fret-offset} to each fret indication in
 @var{diagram-definition} and return the resulting verbose
 @code{fret-diagram-definition}."
-   (let ((verbose-definition 
-           (if (string? diagram-definition)
-               (parse-terse-string diagram-definition)
-               diagram-definition)))
-     (map (lambda(item) 
-            (let ((code (car item)))
-              (cond
-                ((eq? code 'barre)
-                  (list-set! item 3
-                     (+ fret-offset (list-ref item 3)))
-                  item)
-                ((eq? code 'capo)
-                  (list-set! item 1
-                     (+ fret-offset (list-ref item 1)))
-                  item)
-                ((eq? code 'place-fret)
-                  (list-set! item 2
-                     (+ fret-offset (list-ref item 2)))
-                  item)
-                (else item))))
-            verbose-definition)))
+  (let ((verbose-definition
+         (if (string? diagram-definition)
+             (parse-terse-string diagram-definition)
+             diagram-definition)))
+    (map (lambda(item)
+           (let ((code (car item)))
+             (cond
+              ((eq? code 'barre)
+               (list-set! item 3
+                          (+ fret-offset (list-ref item 3)))
+               item)
+              ((eq? code 'capo)
+               (list-set! item 1
+                          (+ fret-offset (list-ref item 1)))
+               item)
+              ((eq? code 'place-fret)
+               (list-set! item 2
+                          (+ fret-offset (list-ref item 2)))
+               item)
+              (else item))))
+         verbose-definition)))
 
diff --git a/scm/ps-to-png.scm b/scm/ps-to-png.scm
index 5e78d0c7c0..0becaeef97 100644
--- a/scm/ps-to-png.scm
+++ b/scm/ps-to-png.scm
@@ -42,9 +42,9 @@
 (define (search-executable names)
   (define (helper path lst)
     (if (null? (cdr lst))
-	(car lst)
-	(if (search-path path (car lst)) (car lst)
-	    (helper path (cdr lst)))))
+        (car lst)
+        (if (search-path path (car lst)) (car lst)
+            (helper path (cdr lst)))))
 
   (let ((path (parse-path (getenv "PATH"))))
     (helper path names)))
@@ -67,33 +67,33 @@
   (set! status (system cmd))
   (if (not (= status 0))
       (begin
-	(ly:error (_ "~a exited with status: ~S") "GS" status)
-	(if exit-on-error (exit 1))))
+        (ly:error (_ "~a exited with status: ~S") "GS" status)
+        (if exit-on-error (exit 1))))
   status)
 
 (define (scale-down-image be-verbose factor file)
   (define (with-pbm)
     (let* ((status 0)
-	   (old (string-append file ".old")))
-      
+           (old (string-append file ".old")))
+
       (rename-file file old)
       (my-system
        be-verbose #t
        (format #f
-	       "pngtopnm \"~a\" | pnmscale -reduce ~a 2>/dev/null | pnmtopng -compression 9 2>/dev/null > \"~a\""
-	       old factor file))
+               "pngtopnm \"~a\" | pnmscale -reduce ~a 2>/dev/null | pnmtopng -compression 9 2>/dev/null > \"~a\""
+               old factor file))
       (delete-file old)))
 
   (with-pbm))
 
 (define-public (ps-page-count ps-name)
   (let* ((byte-count 10240)
-	 (header (gulp-file ps-name byte-count))
-	 (first-null (string-index header #\nul))
-	 (match (string-match "%%Pages: ([0-9]+)"
-			      (if (number? first-null)
-				  (substring header 0 first-null)
-				  header))))
+         (header (gulp-file ps-name byte-count))
+         (first-null (string-index header #\nul))
+         (match (string-match "%%Pages: ([0-9]+)"
+                              (if (number? first-null)
+                                  (substring header 0 first-null)
+                                  header))))
     (if match (string->number (match:substring match 1)) 0)))
 
 (define-public (make-ps-images ps-name . rest)
@@ -108,25 +108,25 @@
     (anti-alias-factor 1))
 
    (let* ((format-str (format #f "~a" pixmap-format))
-	  (extension (cond
-		      ((string-contains format-str "png") "png")
-		      ((string-contains format-str "jpg") "jpeg")
-		      ((string-contains format-str "jpeg") "jpeg")
-		      (else
-		       (ly:error "Unknown pixmap format ~a" pixmap-format))))
-	  (base (dir-basename ps-name ".ps" ".eps"))
-	  (png1 (format #f "~a.~a" base extension))
-	  (pngn (format #f "~a-page%d.~a" base extension))
-	  (page-count (ps-page-count ps-name))
-	  (multi-page? (> page-count 1))
-	  (output-file (if multi-page? pngn png1))
-
-	  (gs-variable-options
-	    (if (string-suffix-ci? ".eps" ps-name)
-		"-dEPSCrop"
-		(format #f "-dDEVICEWIDTHPOINTS=~,2f -dDEVICEHEIGHTPOINTS=~,2f"
-			page-width page-height)))
-	  (cmd (ly:format "~a\
+          (extension (cond
+                      ((string-contains format-str "png") "png")
+                      ((string-contains format-str "jpg") "jpeg")
+                      ((string-contains format-str "jpeg") "jpeg")
+                      (else
+                       (ly:error "Unknown pixmap format ~a" pixmap-format))))
+          (base (dir-basename ps-name ".ps" ".eps"))
+          (png1 (format #f "~a.~a" base extension))
+          (pngn (format #f "~a-page%d.~a" base extension))
+          (page-count (ps-page-count ps-name))
+          (multi-page? (> page-count 1))
+          (output-file (if multi-page? pngn png1))
+
+          (gs-variable-options
+           (if (string-suffix-ci? ".eps" ps-name)
+               "-dEPSCrop"
+               (format #f "-dDEVICEWIDTHPOINTS=~,2f -dDEVICEHEIGHTPOINTS=~,2f"
+                       page-width page-height)))
+          (cmd (ly:format "~a\
  ~a\
  ~a\
  -dGraphicsAlphaBits=4\
@@ -137,46 +137,46 @@
  -r~a\
  ~S\
  -c quit"
-		       (search-gs)
-		       (if be-verbose "" "-q")
-		       gs-variable-options
-		       pixmap-format
-		       output-file 
-		       (* anti-alias-factor resolution) ps-name))
-	  (status 0)
-	  (files '()))
+                          (search-gs)
+                          (if be-verbose "" "-q")
+                          gs-variable-options
+                          pixmap-format
+                          output-file
+                          (* anti-alias-factor resolution) ps-name))
+          (status 0)
+          (files '()))
 
      ;; The wrapper on windows cannot handle `=' signs,
      ;; gs has a workaround with #.
      (if (eq? PLATFORM 'windows)
-	 (begin
-	   (set! cmd (re-sub "=" "#" cmd))
-	   (set! cmd (re-sub "-dSAFER " "" cmd))))
+         (begin
+           (set! cmd (re-sub "=" "#" cmd))
+           (set! cmd (re-sub "-dSAFER " "" cmd))))
 
      (set! status (my-system be-verbose #f cmd))
 
      (set! files
-	   (if multi-page?
-	       (map
-		(lambda (n)
-		  (format #f "~a-page~a.png" base (1+ n)))
-		(iota page-count))
-	       (list (format #f "~a.png" base))))
-     
+           (if multi-page?
+               (map
+                (lambda (n)
+                  (format #f "~a-page~a.png" base (1+ n)))
+                (iota page-count))
+               (list (format #f "~a.png" base))))
+
      (if (not (= 0 status))
-	 (begin
-	   (map delete-file files)
-	   (exit 1)))
+         (begin
+           (map delete-file files)
+           (exit 1)))
 
      (if (and rename-page-1 multi-page?)
-	 (begin
-	   (rename-file (re-sub "%d" "1" pngn) png1)
-	   (set! files
-		 (cons png1
-		       (cdr files)))
-	   ))
+         (begin
+           (rename-file (re-sub "%d" "1" pngn) png1)
+           (set! files
+                 (cons png1
+                       (cdr files)))
+           ))
 
      (if (not (= 1 anti-alias-factor))
-	 (for-each
-	  (lambda (f) (scale-down-image be-verbose anti-alias-factor f)) files))
+         (for-each
+          (lambda (f) (scale-down-image be-verbose anti-alias-factor f)) files))
      files)))
diff --git a/scm/safe-utility-defs.scm b/scm/safe-utility-defs.scm
index 57941b2b9a..057639d7fa 100644
--- a/scm/safe-utility-defs.scm
+++ b/scm/safe-utility-defs.scm
@@ -19,12 +19,12 @@
 ;;;      Author Ian Hulin
 ;;;      Date   16 October 2011
 ;;;
- 
+
 (define-module (scm safe-utility-defs)
-#:use-module (ice-9 optargs)
-#:export (safe-objects)
-#:export-syntax (define-safe-public)
-#:re-export-syntax (define*-public))
+  #:use-module (ice-9 optargs)
+  #:export (safe-objects)
+  #:export-syntax (define-safe-public)
+  #:re-export-syntax (define*-public))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Safe definitions utility
diff --git a/scm/scheme-engravers.scm b/scm/scheme-engravers.scm
index c845f21bd3..0766cbc19c 100644
--- a/scm/scheme-engravers.scm
+++ b/scm/scheme-engravers.scm
@@ -34,70 +34,70 @@ successive measures, and boundaries are shared by adjoining spanners."
         (elapsed 0))
 
     (make-engraver
-      (listeners ((measure-counter-event engraver event)
-        (set! last-measure-seen (ly:context-property context 'currentBarNumber))
-        (set! new-measure? #t)
-        (cond
-          ((and (= START (ly:event-property event 'span-direction))
-                go?)
-           (begin
-             (set! stop? #t)
-             (ly:input-warning
-               (ly:event-property event 'origin)
-               "count not ended before another begun")))
-          ((= START (ly:event-property event 'span-direction))
-           (set! go? #t))
-          ((= STOP (ly:event-property event 'span-direction))
-           (begin
-             (set! stop? #t)
-             (set! go? #f))))))
+     (listeners ((measure-counter-event engraver event)
+                 (set! last-measure-seen (ly:context-property context 'currentBarNumber))
+                 (set! new-measure? #t)
+                 (cond
+                  ((and (= START (ly:event-property event 'span-direction))
+                        go?)
+                   (begin
+                     (set! stop? #t)
+                     (ly:input-warning
+                      (ly:event-property event 'origin)
+                      "count not ended before another begun")))
+                  ((= START (ly:event-property event 'span-direction))
+                   (set! go? #t))
+                  ((= STOP (ly:event-property event 'span-direction))
+                   (begin
+                     (set! stop? #t)
+                     (set! go? #f))))))
 
-      ((process-music trans)
-        (let ((col (ly:context-property context 'currentCommandColumn))
-              (now (ly:context-property context 'measurePosition))
-              (current-bar (ly:context-property context 'currentBarNumber)))
-          ;; If the counter has been started, make sure we're in a new bar
-          ;; before finishing a count-spanner and starting a new one.
-          ;; Since we consider all CommandColumns encountered, we need this
-          ;; check so that a count-spanner is not created for each pair.
-          (if (and (ly:grob? count-spanner)
-                   (> current-bar last-measure-seen))
-              (set! new-measure? #t))
-          (if new-measure?
-              (begin
-                ;; Check if we have the first column of the measure.
-                ;; The possibility of initial grace notes is considered.
-                (if (moment<=? now ZERO-MOMENT)
-                    (begin
-                      ;; If we have the first column, finish the previous
-                      ;; counter-spanner (if there is one).
-                      (if (ly:grob? count-spanner)
-                          (begin
-                            (ly:spanner-set-bound! count-spanner RIGHT col)
-                            (ly:pointer-group-interface::add-grob count-spanner 'columns col)
-                            (ly:engraver-announce-end-grob trans count-spanner col)
-                            (set! count-spanner '())))
-                      ;; if count is over, reset variables
-                      (if stop?
-                          (begin
-                            (set! elapsed 0)
-                            (set! stop? #f)))
-                      ;; if count is in progress, begin a counter object
-                      (if go?
-                          (let* ((c (ly:engraver-make-grob trans 'MeasureCounter col))
-                                 (counter (ly:grob-property c 'count-from)))
-                            (ly:spanner-set-bound! c LEFT col)
-                            (ly:pointer-group-interface::add-grob c 'columns col)
-                            (set! (ly:grob-property c 'count-from) (+ counter elapsed))
-                            (set! count-spanner c)
-                            (set! elapsed (1+ elapsed))))
-              (set! new-measure? #f)))))
-          (set! last-measure-seen current-bar)))
+     ((process-music trans)
+      (let ((col (ly:context-property context 'currentCommandColumn))
+            (now (ly:context-property context 'measurePosition))
+            (current-bar (ly:context-property context 'currentBarNumber)))
+        ;; If the counter has been started, make sure we're in a new bar
+        ;; before finishing a count-spanner and starting a new one.
+        ;; Since we consider all CommandColumns encountered, we need this
+        ;; check so that a count-spanner is not created for each pair.
+        (if (and (ly:grob? count-spanner)
+                 (> current-bar last-measure-seen))
+            (set! new-measure? #t))
+        (if new-measure?
+            (begin
+              ;; Check if we have the first column of the measure.
+              ;; The possibility of initial grace notes is considered.
+              (if (moment<=? now ZERO-MOMENT)
+                  (begin
+                    ;; If we have the first column, finish the previous
+                    ;; counter-spanner (if there is one).
+                    (if (ly:grob? count-spanner)
+                        (begin
+                          (ly:spanner-set-bound! count-spanner RIGHT col)
+                          (ly:pointer-group-interface::add-grob count-spanner 'columns col)
+                          (ly:engraver-announce-end-grob trans count-spanner col)
+                          (set! count-spanner '())))
+                    ;; if count is over, reset variables
+                    (if stop?
+                        (begin
+                          (set! elapsed 0)
+                          (set! stop? #f)))
+                    ;; if count is in progress, begin a counter object
+                    (if go?
+                        (let* ((c (ly:engraver-make-grob trans 'MeasureCounter col))
+                               (counter (ly:grob-property c 'count-from)))
+                          (ly:spanner-set-bound! c LEFT col)
+                          (ly:pointer-group-interface::add-grob c 'columns col)
+                          (set! (ly:grob-property c 'count-from) (+ counter elapsed))
+                          (set! count-spanner c)
+                          (set! elapsed (1+ elapsed))))
+                    (set! new-measure? #f)))))
+        (set! last-measure-seen current-bar)))
 
-      ((finalize trans)
-       (if go?
-           (begin
-             (set! go? #f)
-             (ly:grob-suicide! count-spanner)
-             (set! count-spanner '())
-             (ly:warning "measure count left unfinished")))))))
+     ((finalize trans)
+      (if go?
+          (begin
+            (set! go? #f)
+            (ly:grob-suicide! count-spanner)
+            (set! count-spanner '())
+            (ly:warning "measure count left unfinished")))))))
diff --git a/scm/script.scm b/scm/script.scm
index b5e14bae56..6564d5f2d4 100644
--- a/scm/script.scm
+++ b/scm/script.scm
@@ -19,336 +19,336 @@
   `(
     ("accent"
      . (
-	(avoid-slur . around)
-	(padding . 0.20)
-	(script-stencil . (feta . ("sforzato" . "sforzato")))
-	(side-relative-direction . ,DOWN)))
+        (avoid-slur . around)
+        (padding . 0.20)
+        (script-stencil . (feta . ("sforzato" . "sforzato")))
+        (side-relative-direction . ,DOWN)))
     ("accentus"
      . (
-	(script-stencil . (feta . ("uaccentus" . "uaccentus")))
-	(side-relative-direction . ,DOWN)
-	(avoid-slur . ignore)
-	(padding . 0.20)
-	(quantize-position . #t)
-	(script-priority . -100)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("uaccentus" . "uaccentus")))
+        (side-relative-direction . ,DOWN)
+        (avoid-slur . ignore)
+        (padding . 0.20)
+        (quantize-position . #t)
+        (script-priority . -100)
+        (direction . ,UP)))
 
 
     ("circulus"
      . (
-	(script-stencil . (feta . ("circulus" . "circulus")))
-	(side-relative-direction . ,DOWN)
-	(avoid-slur . ignore)
-	(padding . 0.20)
-	(quantize-position . #t)
-	(script-priority . -100)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("circulus" . "circulus")))
+        (side-relative-direction . ,DOWN)
+        (avoid-slur . ignore)
+        (padding . 0.20)
+        (quantize-position . #t)
+        (script-priority . -100)
+        (direction . ,UP)))
     ("coda"
      . (
-	(script-stencil . (feta . ("coda" . "coda")))
-	(padding . 0.20)
-	(avoid-slur . outside)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("coda" . "coda")))
+        (padding . 0.20)
+        (avoid-slur . outside)
+        (direction . ,UP)))
     ("comma"
      . (
-	(script-stencil . (feta . ("lcomma" . "rcomma")))
-	(quantize-position . #t)
-	(padding . 0.20)
-	(avoid-slur . ignore)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("lcomma" . "rcomma")))
+        (quantize-position . #t)
+        (padding . 0.20)
+        (avoid-slur . ignore)
+        (direction . ,UP)))
 
 
     ("downbow"
      . (
-	(script-stencil . (feta . ("downbow" . "downbow")))
-	(padding . 0.20)
-	(skyline-horizontal-padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)
-	(script-priority . 150)))
+        (script-stencil . (feta . ("downbow" . "downbow")))
+        (padding . 0.20)
+        (skyline-horizontal-padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)
+        (script-priority . 150)))
     ("downmordent"
      . (
-	(script-stencil . (feta . ("downmordent" . "downmordent")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("downmordent" . "downmordent")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
     ("downprall"
      . (
-	(script-stencil . (feta . ("downprall" . "downprall")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("downprall" . "downprall")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
 
 
     ("espressivo"
      . (
-	(avoid-slur . around)
-	(padding . 0.20)
-	(script-stencil . (feta . ("espr" .  "espr")))
-	(side-relative-direction . ,DOWN)))
+        (avoid-slur . around)
+        (padding . 0.20)
+        (script-stencil . (feta . ("espr" .  "espr")))
+        (side-relative-direction . ,DOWN)))
 
 
     ("fermata"
      . (
-	(script-stencil . (feta . ("dfermata" . "ufermata")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(script-priority . 4000)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("dfermata" . "ufermata")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (script-priority . 4000)
+        (direction . ,UP)))
     ("flageolet"
      . (
-	(script-stencil . (feta . ("flageolet" . "flageolet")))
-	(padding . 0.20)
-	(avoid-slur . around) ;guessing?
-	(direction . ,UP)))
+        (script-stencil . (feta . ("flageolet" . "flageolet")))
+        (padding . 0.20)
+        (avoid-slur . around) ;guessing?
+        (direction . ,UP)))
 
 
     ("halfopen"
      . (
-	(avoid-slur . outside)
-	(padding . 0.20)
-	(script-stencil . (feta . ("halfopen" . "halfopen")))
-	(direction . ,UP)))
+        (avoid-slur . outside)
+        (padding . 0.20)
+        (script-stencil . (feta . ("halfopen" . "halfopen")))
+        (direction . ,UP)))
 
 
     ("ictus"
      . (
-	(script-stencil . (feta . ("ictus" . "ictus")))
-	(side-relative-direction . ,DOWN)
-	(quantize-position . #t)
-	(avoid-slur . ignore)
-	(padding . 0.20)
-	(script-priority . -100)
-	(direction . ,DOWN)))
+        (script-stencil . (feta . ("ictus" . "ictus")))
+        (side-relative-direction . ,DOWN)
+        (quantize-position . #t)
+        (avoid-slur . ignore)
+        (padding . 0.20)
+        (script-priority . -100)
+        (direction . ,DOWN)))
 
 
     ("lheel"
      . (
-	(script-stencil . (feta . ("upedalheel" . "upedalheel")))
-	(padding . 0.20)
-	(avoid-slur . around) ;guessing?
-	(direction . ,DOWN)))
+        (script-stencil . (feta . ("upedalheel" . "upedalheel")))
+        (padding . 0.20)
+        (avoid-slur . around) ;guessing?
+        (direction . ,DOWN)))
     ("lineprall"
      . (
-	(script-stencil . (feta . ("lineprall" . "lineprall")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("lineprall" . "lineprall")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
     ("longfermata"
      . (
-	(script-stencil . (feta . ("dlongfermata" . "ulongfermata")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("dlongfermata" . "ulongfermata")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
     ("ltoe"
      . (
-	(script-stencil . (feta . ("upedaltoe" . "upedaltoe")))
-	(padding . 0.20)
-	(avoid-slur . around) ;guessing?
-	(direction . ,DOWN)))
+        (script-stencil . (feta . ("upedaltoe" . "upedaltoe")))
+        (padding . 0.20)
+        (avoid-slur . around) ;guessing?
+        (direction . ,DOWN)))
 
 
     ("marcato"
      . (
-	(script-stencil . (feta . ("dmarcato" . "umarcato")))
-	(padding . 0.20)
-	(avoid-slur . inside)
+        (script-stencil . (feta . ("dmarcato" . "umarcato")))
+        (padding . 0.20)
+        (avoid-slur . inside)
         ;;(staff-padding . ())
-	(quantize-position . #t)
-	(side-relative-direction . ,DOWN)))
+        (quantize-position . #t)
+        (side-relative-direction . ,DOWN)))
     ("mordent"
      . (
-	(script-stencil . (feta . ("mordent" . "mordent")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("mordent" . "mordent")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
 
 
     ("open"
      . (
-	(avoid-slur . outside)
-	(padding . 0.20)
-	(script-stencil . (feta . ("open" . "open")))
-	(direction . ,UP)))
+        (avoid-slur . outside)
+        (padding . 0.20)
+        (script-stencil . (feta . ("open" . "open")))
+        (direction . ,UP)))
 
 
     ("portato"
      . (
-	(script-stencil . (feta . ("uportato" . "dportato")))
-	(avoid-slur . around)
-	(padding . 0.45)
-	(side-relative-direction . ,DOWN)))
+        (script-stencil . (feta . ("uportato" . "dportato")))
+        (avoid-slur . around)
+        (padding . 0.45)
+        (side-relative-direction . ,DOWN)))
     ("prall"
      . (
-	(script-stencil . (feta . ("prall" . "prall")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("prall" . "prall")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
     ("pralldown"
      . (
-	(script-stencil . (feta . ("pralldown" . "pralldown")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("pralldown" . "pralldown")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
     ("prallmordent"
      . (
-	(script-stencil . (feta . ("prallmordent" . "prallmordent")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("prallmordent" . "prallmordent")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
     ("prallprall"
      . (
-	(script-stencil . (feta . ("prallprall" . "prallprall")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("prallprall" . "prallprall")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
     ("prallup"
      . (
-	(script-stencil . (feta . ("prallup" . "prallup")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("prallup" . "prallup")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
 
 
     ("reverseturn"
      . (
-	(script-stencil . (feta . ("reverseturn" . "reverseturn")))
-	(padding . 0.20)
-	(avoid-slur . inside)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("reverseturn" . "reverseturn")))
+        (padding . 0.20)
+        (avoid-slur . inside)
+        (direction . ,UP)))
     ("rheel"
      . (
-	(script-stencil . (feta . ("dpedalheel" . "dpedalheel")))
-	(padding . 0.20)
-	(avoid-slur . around) ;guessing?
-	(direction . ,UP)))
+        (script-stencil . (feta . ("dpedalheel" . "dpedalheel")))
+        (padding . 0.20)
+        (avoid-slur . around) ;guessing?
+        (direction . ,UP)))
     ("rtoe"
      . (
-	(script-stencil . (feta . ("dpedaltoe" . "dpedaltoe")))
-	(padding . 0.20)
-	(avoid-slur . around) ;guessing?
-	(direction . ,UP)))
+        (script-stencil . (feta . ("dpedaltoe" . "dpedaltoe")))
+        (padding . 0.20)
+        (avoid-slur . around) ;guessing?
+        (direction . ,UP)))
 
 
     ("segno"
      . (
-	(script-stencil . (feta . ("segno" . "segno")))
-	(padding . 0.20)
-	(avoid-slur . outside)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("segno" . "segno")))
+        (padding . 0.20)
+        (avoid-slur . outside)
+        (direction . ,UP)))
     ("semicirculus"
      . (
-	(script-stencil . (feta . ("dsemicirculus" . "dsemicirculus")))
-	(side-relative-direction . ,DOWN)
-	(quantize-position . #t)
-	(avoid-slur . ignore)
-	(padding . 0.20)
-	(script-priority . -100)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("dsemicirculus" . "dsemicirculus")))
+        (side-relative-direction . ,DOWN)
+        (quantize-position . #t)
+        (avoid-slur . ignore)
+        (padding . 0.20)
+        (script-priority . -100)
+        (direction . ,UP)))
     ("shortfermata"
      . (
-	(script-stencil . (feta . ("dshortfermata" . "ushortfermata")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("dshortfermata" . "ushortfermata")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
     ("signumcongruentiae"
      . (
-	(script-stencil . (feta . ("dsignumcongruentiae" . "usignumcongruentiae")))
-	(padding . 0.20)
-	(avoid-slur . outside)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("dsignumcongruentiae" . "usignumcongruentiae")))
+        (padding . 0.20)
+        (avoid-slur . outside)
+        (direction . ,UP)))
     ("snappizzicato"
      . (
-	(script-stencil . (feta . ("snappizzicato" . "snappizzicato")))
-	(padding . 0.20)
-	(avoid-slur . outside)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("snappizzicato" . "snappizzicato")))
+        (padding . 0.20)
+        (avoid-slur . outside)
+        (direction . ,UP)))
     ("staccatissimo"
      . (
-	(avoid-slur . inside)
-	(quantize-position . #t)
-	(script-stencil . (feta . ("dstaccatissimo" . "ustaccatissimo")))
-	(padding . 0.20)
-	(skyline-horizontal-padding . 0.10)
-	(side-relative-direction . ,DOWN)))
+        (avoid-slur . inside)
+        (quantize-position . #t)
+        (script-stencil . (feta . ("dstaccatissimo" . "ustaccatissimo")))
+        (padding . 0.20)
+        (skyline-horizontal-padding . 0.10)
+        (side-relative-direction . ,DOWN)))
     ("staccato"
      . (
-	(script-stencil . (feta . ("staccato" . "staccato")))
-	(side-relative-direction . ,DOWN)
-	(quantize-position . #t)
-	(avoid-slur . inside)
-	(toward-stem-shift . 0.5)
-	(padding . 0.20)
-	(skyline-horizontal-padding . 0.10)
-	(script-priority . -100)))
+        (script-stencil . (feta . ("staccato" . "staccato")))
+        (side-relative-direction . ,DOWN)
+        (quantize-position . #t)
+        (avoid-slur . inside)
+        (toward-stem-shift . 0.5)
+        (padding . 0.20)
+        (skyline-horizontal-padding . 0.10)
+        (script-priority . -100)))
     ("stopped"
      . (
-	(script-stencil . (feta . ("stopped" . "stopped")))
-	(avoid-slur . inside)
-	(padding . 0.20)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("stopped" . "stopped")))
+        (avoid-slur . inside)
+        (padding . 0.20)
+        (direction . ,UP)))
 
 
     ("tenuto"
      . (
-	(script-stencil . (feta . ("tenuto" . "tenuto")))
-	(quantize-position . #t)
-	(avoid-slur . inside)
-	(padding . 0.20)
-	(side-relative-direction . ,DOWN)))
+        (script-stencil . (feta . ("tenuto" . "tenuto")))
+        (quantize-position . #t)
+        (avoid-slur . inside)
+        (padding . 0.20)
+        (side-relative-direction . ,DOWN)))
     ("trill"
      . (
-	(script-stencil . (feta . ("trill" . "trill")))
-	(direction . ,UP)
-	(padding . 0.20)
-	(avoid-slur . outside)
-	(script-priority . 2000)))
+        (script-stencil . (feta . ("trill" . "trill")))
+        (direction . ,UP)
+        (padding . 0.20)
+        (avoid-slur . outside)
+        (script-priority . 2000)))
     ("turn"
      . (
-	(script-stencil . (feta . ("turn" . "turn")))
-	(avoid-slur . inside)
-	(padding . 0.20)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("turn" . "turn")))
+        (avoid-slur . inside)
+        (padding . 0.20)
+        (direction . ,UP)))
 
 
     ("upbow"
      . (
-	(script-stencil . (feta . ("upbow" . "upbow")))
-	(avoid-slur . around)
-	(padding . 0.20)
-	(direction . ,UP)
-	(script-priority . 150)))
+        (script-stencil . (feta . ("upbow" . "upbow")))
+        (avoid-slur . around)
+        (padding . 0.20)
+        (direction . ,UP)
+        (script-priority . 150)))
     ("upmordent"
      . (
-	(script-stencil . (feta . ("upmordent" . "upmordent")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("upmordent" . "upmordent")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
     ("upprall"
      . (
-	(script-stencil . (feta . ("upprall" . "upprall")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("upprall" . "upprall")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
 
 
     ("varcoda"
      . (
-	(script-stencil . (feta . ("varcoda" . "varcoda")))
-	(padding . 0.20)
-	(avoid-slur . outside)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("varcoda" . "varcoda")))
+        (padding . 0.20)
+        (avoid-slur . outside)
+        (direction . ,UP)))
     ("varcomma"
      . (
-	(script-stencil . (feta . ("lvarcomma" . "rvarcomma")))
-	(quantize-position . #t)
-	(padding . 0.20)
-	(avoid-slur . ignore)
-	(direction . ,UP)))
+        (script-stencil . (feta . ("lvarcomma" . "rvarcomma")))
+        (quantize-position . #t)
+        (padding . 0.20)
+        (avoid-slur . ignore)
+        (direction . ,UP)))
     ("verylongfermata"
      . (
-	(script-stencil . (feta . ("dverylongfermata" . "uverylongfermata")))
-	(padding . 0.20)
-	(avoid-slur . around)
-	(direction . ,UP)))
-      ))
+        (script-stencil . (feta . ("dverylongfermata" . "uverylongfermata")))
+        (padding . 0.20)
+        (avoid-slur . around)
+        (direction . ,UP)))
+    ))
diff --git a/scm/song-util.scm b/scm/song-util.scm
index 5eec46fdd6..c0c226d7c2 100644
--- a/scm/song-util.scm
+++ b/scm/song-util.scm
@@ -77,7 +77,7 @@
                (lambda (record) ((record-predicate ,record) record)))
          (set! ,$make-record
                (lambda* (#:key ,@slots)
-                 ((record-constructor ,record) ,@(map car slots*))))
+                        ((record-constructor ,record) ,@(map car slots*))))
          (set! ,$copy-record
                (lambda (record)
                  (,$make-record ,@(apply
@@ -160,11 +160,11 @@ If it unsets the property, return @code{#f}."
   "Return list of all @var{music}'s top-level children."
   (let ((elt (ly:music-property music 'element))
         (elts (ly:music-property music 'elements))
-	(arts (ly:music-property music 'articulations)))
+        (arts (ly:music-property music 'articulations)))
     (if (pair? arts)
-	(set! elts (append elts arts)))
+        (set! elts (append elts arts)))
     (if (null? elt)
-	elts
+        elts
         (cons elt elts))))
 
 (define-public (find-child music predicate)
@@ -193,9 +193,9 @@ If a non-boolean is returned, it is considered the material to recurse."
         (let* ((elt (car queue))
                (stop (function elt)))
           (process-music (if (boolean? stop)
-			     (if stop
-				 (cdr queue)
-				 (append (music-elements elt) (cdr queue)))
-			     ((if (cheap-list? stop) append cons)
-			      stop (cdr queue)))))))
+                             (if stop
+                                 (cdr queue)
+                                 (append (music-elements elt) (cdr queue)))
+                             ((if (cheap-list? stop) append cons)
+                              stop (cdr queue)))))))
   (process-music (list music)))
diff --git a/scm/song.scm b/scm/song.scm
index 35b7f2f6fa..9bf68fc73d 100644
--- a/scm/song.scm
+++ b/scm/song.scm
@@ -139,26 +139,26 @@
 (define (tempo->beats music)
   (let* ((tempo-spec (find-child-named music 'SequentialMusic))
          (tempo (cond
-		 (tempo-spec
-		  (let ((tempo-event (find-child-named tempo-spec
-						       'TempoChangeEvent)))
-		    (and tempo-event
-			 (let ((count (ly:music-property tempo-event
-							 'metronome-count)))
-			   (* (if (pair? count)
-				  (round (/ (+ (car count) (cdr count)) 2))
-				  count)
-			      (duration->number
-			       (ly:music-property tempo-event 'tempo-unit)))))))
-		 (else
+                 (tempo-spec
+                  (let ((tempo-event (find-child-named tempo-spec
+                                                       'TempoChangeEvent)))
+                    (and tempo-event
+                         (let ((count (ly:music-property tempo-event
+                                                         'metronome-count)))
+                           (* (if (pair? count)
+                                  (round (/ (+ (car count) (cdr count)) 2))
+                                  count)
+                              (duration->number
+                               (ly:music-property tempo-event 'tempo-unit)))))))
+                 (else
                   (format #t "Programming error (tempo->beats): ~a~%"
-			  tempo-spec)))))
+                          tempo-spec)))))
     (debug-enable 'backtrace)
     (and tempo
-	 (set! *default-tempo* (property-value
-				(find-child tempo-spec (lambda (elt)
-							 (music-property? elt 'tempoWholesPerMinute)))))
-	 (round (* tempo (expt 2 (+ 2 (*base-octave-shift*))))))))
+         (set! *default-tempo* (property-value
+                                (find-child tempo-spec (lambda (elt)
+                                                         (music-property? elt 'tempoWholesPerMinute)))))
+         (round (* tempo (expt 2 (+ 2 (*base-octave-shift*))))))))
 
 (defstruct music-context
   music
@@ -173,8 +173,8 @@
        (cond
         ((music-name? music* 'LyricCombineMusic)
          (push! (make-music-context #:music music*
-                                              #:context (ly:music-property music* 'associated-context))
-                     music-context-list)
+                                    #:context (ly:music-property music* 'associated-context))
+                music-context-list)
          #t)
         ((and (music-name? music* 'ContextSpeccedMusic)
               (music-property-value? music* 'context-type 'Lyrics)
@@ -182,7 +182,7 @@
          (let ((name-node (find-child music* (lambda (node) (music-property? node 'associatedVoice)))))
            (if name-node
                (push! (make-music-context #:music music* #:context (property-value name-node))
-                           music-context-list)))
+                      music-context-list)))
          #t)
         (else
          #f))))
@@ -214,12 +214,12 @@
         ((music-name? music '(EventChord LyricEvent))
          (let ((lyric-event (find-child-named music 'LyricEvent)))
            (push! (make-lyrics
-                        #:text (ly:music-property lyric-event 'text)
-                        #:duration (* (duration->number (ly:music-property lyric-event 'duration)) 4)
-                        #:unfinished (and (not (*syllabify*)) (find-child-named music 'HyphenEvent))
-                        #:ignore-melismata ignore-melismata
-                        #:context current-voice)
-                       lyrics-list))
+                   #:text (ly:music-property lyric-event 'text)
+                   #:duration (* (duration->number (ly:music-property lyric-event 'duration)) 4)
+                   #:unfinished (and (not (*syllabify*)) (find-child-named music 'HyphenEvent))
+                   #:ignore-melismata ignore-melismata
+                   #:context current-voice)
+                  lyrics-list))
          ;; LilyPond delays applying settings
          (set! ignore-melismata next-ignore-melismata)
          (set! current-voice next-current-voice)
@@ -227,9 +227,9 @@
         ;; skipping
         ((music-name? music 'SkipMusic)
          (push! (make-skip
-                      #:duration (* (duration->number (ly:music-property music 'duration)) 4)
-                      #:context current-voice)
-                     lyrics-list)
+                 #:duration (* (duration->number (ly:music-property music 'duration)) 4)
+                 #:context current-voice)
+                lyrics-list)
          #t)
         ;; parameter change
         ((music-property? music 'ignoreMelismata)
@@ -261,7 +261,7 @@
 (defstruct score-notes
   note/rest-list ; list of note and rest instances
   (verse-block-list '()) ; lyrics attached to notes -- multiple elements are
-                         ; possible for multiple stanzas
+                                        ; possible for multiple stanzas
   )
 
 (defstruct note
@@ -295,10 +295,10 @@
          (let ((context (ly:music-property music 'context-id))
                (children (music-elements music)))
            (add! (make-score-voice #:context (debug "Changing context" context)
-                                             #:elements (append-map (lambda (elt)
-                                                                      (get-notes* elt autobeaming))
-                                                                    children))
-                      result-list))
+                                   #:elements (append-map (lambda (elt)
+                                                            (get-notes* elt autobeaming))
+                                                          children))
+                 result-list))
          #t)
         ;; timing change
         ((music-property? music 'timeSignatureFraction)
@@ -317,10 +317,10 @@
          (let ((repeat-count (ly:music-property music 'repeat-count))
                (children (music-elements music)))
            (add! (make-score-repetice #:count repeat-count
-                                                #:elements (append-map
-                                                            (lambda (elt) (get-notes* elt autobeaming))
-                                                            children))
-                      result-list))
+                                      #:elements (append-map
+                                                  (lambda (elt) (get-notes* elt autobeaming))
+                                                  children))
+                 result-list))
          #t)
         ;; a note or rest
         ((or (music-name? music 'EventChord)
@@ -350,7 +350,7 @@
                                               events))))
                (set! in-slur (+ in-slur slur-start (- slur-end)))
                (let ((note-spec (make-note #:pitch pitch #:duration duration #:joined in-slur
-                                                #:origin (ly:music-property note 'origin)))
+                                           #:origin (ly:music-property note 'origin)))
                      (last-result (and (not (null? result-list)) (last result-list))))
                  (set! last-note-spec note-spec)
                  (if (and last-result
@@ -363,29 +363,29 @@
              (debug "Rest" rest)
              (let* ((duration (* (duration->number (ly:music-property rest 'duration)) 4))
                     (rest-spec (make-rest #:duration duration
-                                               #:origin (ly:music-property rest 'origin)))
+                                          #:origin (ly:music-property rest 'origin)))
                     (last-result (and (not (null? result-list)) (last result-list))))
                (if (and last-result
                         (score-notes? last-result))
                    (set-score-notes-note/rest-list! last-result
-                                                         (append (score-notes-note/rest-list last-result)
-                                                                 (list rest-spec)))
+                                                    (append (score-notes-note/rest-list last-result)
+                                                            (list rest-spec)))
                    (add! (make-score-notes #:note/rest-list (list rest-spec)) result-list))))))
-	 (filter
-	  (lambda (m)
-	    (not (music-name? m '(RestEvent
-				  NoteEvent
-				  LyricEvent
-				  MultiMeasureRestEvent))))
-	  (ly:music-property music 'elements)))
-	((music-name? music '(RestEvent
-			      NoteEvent
-			      LyricEvent
-			      MultiMeasureRestEvent))
-	 (make-music 'EventChord
-		     'elements
-		     (cons music
-			   (ly:music-property music 'articulations))))
+         (filter
+          (lambda (m)
+            (not (music-name? m '(RestEvent
+                                  NoteEvent
+                                  LyricEvent
+                                  MultiMeasureRestEvent))))
+          (ly:music-property music 'elements)))
+        ((music-name? music '(RestEvent
+                              NoteEvent
+                              LyricEvent
+                              MultiMeasureRestEvent))
+         (make-music 'EventChord
+                     'elements
+                     (cons music
+                           (ly:music-property music 'articulations))))
         ;; autobeaming change
         ((music-property? music 'autoBeaming)
          (set! autobeaming (property-value music))
@@ -396,21 +396,21 @@
            (set! in-slur (+ in-slur change))
            (if last-note-spec
                (set-note-joined! last-note-spec (+ (note-joined last-note-spec) change))))
-	 #t)
+         #t)
         ;; tempo change
         ((music-property? music 'tempoWholesPerMinute)
          (set! *tempo-compression* (ly:moment-div *default-tempo* (property-value music)))
-	 #t)
+         #t)
         ;; breathe
         ((music-name? music 'BreathingEvent)
          (if last-note-spec
              (let* ((note-duration (note-duration last-note-spec))
                     (rest-spec (make-rest #:duration (* note-duration (- 1 (*breathe-shortage*)))
-                                               #:origin (ly:music-property music 'origin))))
+                                          #:origin (ly:music-property music 'origin))))
                (set-note-duration! last-note-spec (* note-duration (*breathe-shortage*)))
                (add! (make-score-notes #:note/rest-list (list rest-spec)) result-list))
              (warning music "\\\\breathe without previous note known"))
-	 #t)
+         #t)
         ;; anything else
         (else
          #f))))
@@ -503,12 +503,12 @@
         (let ((new-context (score-voice-context score)))
           (if (equal? new-context lyrics-context)
               (insert-lyrics*! lyrics/skip-list
-                                    (append (score-voice-elements score)
-                                            (if (null? (cdr score-list))
-                                                '()
-                                                (list (make-score-voice #:context context
-                                                                             #:elements (cdr score-list)))))
-                                    new-context)
+                               (append (score-voice-elements score)
+                                       (if (null? (cdr score-list))
+                                           '()
+                                           (list (make-score-voice #:context context
+                                                                   #:elements (cdr score-list)))))
+                               new-context)
               (insert-lyrics*! lyrics/skip-list (cdr score-list) context))))
        ((score-choice? score)
         (let* ((lists* (score-choice-lists score))
@@ -519,32 +519,32 @@
                (score* #f))
           (while (and (not score*)
                       (not (null? lists)))
-            (set! score* (find-lyrics-score (car lists) lyrics-context allow-default))
-            (set! lists (cdr lists))
-            (if (not score*)
-                (set! n (+ n 1)))
-            (if (and (null? lists)
-                     (not allow-default)
-                     (equal? lyrics-context context))
-                (begin
-                  (set! allow-default #t)
-                  (set! n 0)
-                  (set! lists (score-choice-lists score)))))
+                 (set! score* (find-lyrics-score (car lists) lyrics-context allow-default))
+                 (set! lists (cdr lists))
+                 (if (not score*)
+                     (set! n (+ n 1)))
+                 (if (and (null? lists)
+                          (not allow-default)
+                          (equal? lyrics-context context))
+                     (begin
+                       (set! allow-default #t)
+                       (set! n 0)
+                       (set! lists (score-choice-lists score)))))
           (debug "Selected score" score*)
           (if (and score*
                    (>= n n-assigned))
               (begin
                 (if (> n n-assigned)
                     (receive (assigned-elts unassigned-elts) (split-at lists* n-assigned)
-                      (set-score-choice-lists! score (append assigned-elts
-                                                                  (list (list-ref lists* n))
-                                                                  (take unassigned-elts (- n n-assigned))
-                                                                  lists))))
+                             (set-score-choice-lists! score (append assigned-elts
+                                                                    (list (list-ref lists* n))
+                                                                    (take unassigned-elts (- n n-assigned))
+                                                                    lists))))
                 (set-score-choice-n-assigned! score (+ n-assigned 1))))
           (insert-lyrics*! lyrics/skip-list (append (if score* (list score*) '()) (cdr score-list)) context)))
        ((score-repetice? score)
         (insert-lyrics*! lyrics/skip-list
-                              (append (score-repetice-elements score) (cdr score-list)) context))
+                         (append (score-repetice-elements score) (cdr score-list)) context))
        ((score-notes? score)
         ;; This is the only part which actually attaches the processed lyrics.
         ;; The subsequent calls return verses which we collect into a verse block.
@@ -563,66 +563,66 @@
         (unfinished-verse #f)
         (verse-list '()))
     (while (not (null? note-list))
-      (if (null? lyrics/skip-list)
-          (let ((final-rests '()))
-            (while (and (not (null? note-list))
-                        (rest? (car note-list)))
-              (push! (car note-list) final-rests)
-              (set! note-list (cdr note-list)))
-            (if (not (null? final-rests))
-                (set! verse-list (append verse-list
-                                         (list (make-verse #:text ""
+           (if (null? lyrics/skip-list)
+               (let ((final-rests '()))
+                 (while (and (not (null? note-list))
+                             (rest? (car note-list)))
+                        (push! (car note-list) final-rests)
+                        (set! note-list (cdr note-list)))
+                 (if (not (null? final-rests))
+                     (set! verse-list (append verse-list
+                                              (list (make-verse #:text ""
                                                                 #:notelist/rests (reverse! final-rests))))))
-            (if (not (null? note-list))
-                (begin
-                  (warning (car note-list) "Missing lyrics: ~a ~a" context note-list)
-                  (set! note-list '()))))
-          (let ((lyrics/skip (car lyrics/skip-list)))
-            (receive (notelist/rest note-list*) (if (lyrics? lyrics/skip)
-                                                    (consume-lyrics-notes lyrics/skip note-list context)
-                                                    (consume-skip-notes lyrics/skip note-list context))
-              (debug "Consumed notes" (list lyrics/skip notelist/rest))
-              (set! note-list note-list*)
-              (cond
-               ((null? notelist/rest)
-                #f)
-               ;; Lyrics
-               ((and (lyrics? lyrics/skip)
-                     unfinished-verse)
-                (set-verse-text!
-                 unfinished-verse
-                 (string-append (verse-text unfinished-verse) (lyrics-text lyrics/skip)))
-                (set-verse-notelist/rests!
-                 unfinished-verse
-                 (append (verse-notelist/rests unfinished-verse) (list notelist/rest)))
-                (if (not (lyrics-unfinished lyrics/skip))
-                    (set! unfinished-verse #f)))
-               ((lyrics? lyrics/skip)
-                (let ((verse (make-verse #:text (if (rest? notelist/rest)
-                                                         ""
-                                                         (lyrics-text lyrics/skip))
-                                              #:notelist/rests (list notelist/rest))))
-                  (add! verse verse-list)
-                  (set! unfinished-verse (if (lyrics-unfinished lyrics/skip) verse #f))))
-               ;; Skip
-               ((skip? lyrics/skip)
-                (cond
-                 ((rest? notelist/rest)
-                  (if (null? verse-list)
-                      (set! verse-list (list (make-verse #:text ""
-                                                              #:notelist/rests (list notelist/rest))))
-                      (let ((last-verse (last verse-list)))
-                        (set-verse-notelist/rests!
-                         last-verse
-                         (append (verse-notelist/rests last-verse) (list notelist/rest))))))
-                 ((pair? notelist/rest)
-                  (add! (make-verse #:text (*skip-word*) #:notelist/rests (list notelist/rest))
-                             verse-list))
-                 (else
-                  (error "Unreachable branch reached")))
-                (set! unfinished-verse #f)))
-              (if (not (rest? notelist/rest))
-                  (set! lyrics/skip-list (cdr lyrics/skip-list)))))))
+                 (if (not (null? note-list))
+                     (begin
+                       (warning (car note-list) "Missing lyrics: ~a ~a" context note-list)
+                       (set! note-list '()))))
+               (let ((lyrics/skip (car lyrics/skip-list)))
+                 (receive (notelist/rest note-list*) (if (lyrics? lyrics/skip)
+                                                         (consume-lyrics-notes lyrics/skip note-list context)
+                                                         (consume-skip-notes lyrics/skip note-list context))
+                          (debug "Consumed notes" (list lyrics/skip notelist/rest))
+                          (set! note-list note-list*)
+                          (cond
+                           ((null? notelist/rest)
+                            #f)
+                           ;; Lyrics
+                           ((and (lyrics? lyrics/skip)
+                                 unfinished-verse)
+                            (set-verse-text!
+                             unfinished-verse
+                             (string-append (verse-text unfinished-verse) (lyrics-text lyrics/skip)))
+                            (set-verse-notelist/rests!
+                             unfinished-verse
+                             (append (verse-notelist/rests unfinished-verse) (list notelist/rest)))
+                            (if (not (lyrics-unfinished lyrics/skip))
+                                (set! unfinished-verse #f)))
+                           ((lyrics? lyrics/skip)
+                            (let ((verse (make-verse #:text (if (rest? notelist/rest)
+                                                                ""
+                                                                (lyrics-text lyrics/skip))
+                                                     #:notelist/rests (list notelist/rest))))
+                              (add! verse verse-list)
+                              (set! unfinished-verse (if (lyrics-unfinished lyrics/skip) verse #f))))
+                           ;; Skip
+                           ((skip? lyrics/skip)
+                            (cond
+                             ((rest? notelist/rest)
+                              (if (null? verse-list)
+                                  (set! verse-list (list (make-verse #:text ""
+                                                                     #:notelist/rests (list notelist/rest))))
+                                  (let ((last-verse (last verse-list)))
+                                    (set-verse-notelist/rests!
+                                     last-verse
+                                     (append (verse-notelist/rests last-verse) (list notelist/rest))))))
+                             ((pair? notelist/rest)
+                              (add! (make-verse #:text (*skip-word*) #:notelist/rests (list notelist/rest))
+                                    verse-list))
+                             (else
+                              (error "Unreachable branch reached")))
+                            (set! unfinished-verse #f)))
+                          (if (not (rest? notelist/rest))
+                              (set! lyrics/skip-list (cdr lyrics/skip-list)))))))
     (if unfinished-verse
         (set-verse-unfinished! unfinished-verse #t))
     (set-score-notes-verse-block-list!
@@ -642,13 +642,13 @@
             (consumed '()))
         (while (and join
                     (not (null? note-list)))
-          (let ((note (car note-list)))
-            (push! note consumed)
-            (let ((note-slur (note-joined note)))
-              (if (< note-slur 0)
-                  (warning note "Slur underrun"))
-              (set! join (and (not ignore-melismata) (> note-slur 0)))))
-          (set! note-list (cdr note-list)))
+               (let ((note (car note-list)))
+                 (push! note consumed)
+                 (let ((note-slur (note-joined note)))
+                   (if (< note-slur 0)
+                       (warning note "Slur underrun"))
+                   (set! join (and (not ignore-melismata) (> note-slur 0)))))
+               (set! note-list (cdr note-list)))
         (if join
             (warning (safe-car (if (null? note-list) consumed note-list))
                      "Unfinished slur: ~a ~a" context consumed))
@@ -662,19 +662,19 @@
         (consumed '()))
     (while (and (> duration epsilon)
                 (not (null? note-list)))
-      (let ((note (car note-list)))
-        (assert (note? note))
-        (push! note consumed)
-        (set! duration (- duration (note-duration note))))
-      (set! note-list (cdr note-list)))
+           (let ((note (car note-list)))
+             (assert (note? note))
+             (push! note consumed)
+             (set! duration (- duration (note-duration note))))
+           (set! note-list (cdr note-list)))
     (set! consumed (reverse! consumed))
     (cond
      ((> duration epsilon)
       (warning (if (null? note-list) (safe-last consumed) (safe-car note-list))
-                    "Excessive skip: ~a ~a ~a ~a" context skip duration consumed))
+               "Excessive skip: ~a ~a ~a ~a" context skip duration consumed))
      ((< duration (- epsilon))
       (warning (if (null? note-list) (safe-last consumed) (safe-car note-list))
-                    "Skip misalignment: ~a ~a ~a ~a" context skip duration consumed)))
+               "Skip misalignment: ~a ~a ~a ~a" context skip duration consumed)))
     (values (if (*skip-word*)
                 consumed
                 '())
@@ -694,8 +694,8 @@
                              (score-choice-lists score)))))
    ((score-repetice? score)
     (list (make-repeated-blocks #:count (score-repetice-count score)
-                                     #:block-list (append-map extract-verse-blocks
-                                                              (score-repetice-elements score)))))
+                                #:block-list (append-map extract-verse-blocks
+                                                         (score-repetice-elements score)))))
    ((score-notes? score)
     (list (make-parallel-blocks #:block-list (score-notes-verse-block-list score))))
    (else
@@ -709,20 +709,20 @@
   (debug "Final score list" score-list)
   (let ((verse-block-list (debug "Verse blocks" (append-map extract-verse-blocks score-list))))
     (letrec ((combine (lambda (lst-1 lst-2)
-                         (debug "Combining lists" (list lst-1 lst-2))
-                         (if (null? lst-2)
-                             lst-1
-                             (let ((diff (- (length lst-1) (length lst-2))))
-                               (if (< diff 0)
-                                   (let ((last-elt (last lst-1)))
-                                     (while (< diff 0)
-                                       (add! last-elt lst-1)
-                                       (set! diff (+ diff 1))))
-                                   (let ((last-elt (last lst-2)))
-                                     (while (> diff 0)
-                                       (add! last-elt lst-2)
-                                       (set! diff (- diff 1)))))
-                               (debug "Combined" (map append lst-1 lst-2))))))
+                        (debug "Combining lists" (list lst-1 lst-2))
+                        (if (null? lst-2)
+                            lst-1
+                            (let ((diff (- (length lst-1) (length lst-2))))
+                              (if (< diff 0)
+                                  (let ((last-elt (last lst-1)))
+                                    (while (< diff 0)
+                                           (add! last-elt lst-1)
+                                           (set! diff (+ diff 1))))
+                                  (let ((last-elt (last lst-2)))
+                                    (while (> diff 0)
+                                           (add! last-elt lst-2)
+                                           (set! diff (- diff 1)))))
+                              (debug "Combined" (map append lst-1 lst-2))))))
              (expand* (lambda (block)
                         (cond
                          ((parallel-blocks? block)
@@ -736,13 +736,13 @@
                                 (expanded (expand (repeated-blocks-block-list block)))
                                 (expanded* '()))
                             (while (not (null? expanded))
-                              (let ((count* count)
-                                    (item '()))
-                                (while (and (> count* 0) (not (null? expanded)))
-                                  (set! item (append item (car expanded)))
-                                  (set! expanded (cdr expanded))
-                                  (set! count* (- count* 1)))
-                                (push! item expanded*)))
+                                   (let ((count* count)
+                                         (item '()))
+                                     (while (and (> count* 0) (not (null? expanded)))
+                                            (set! item (append item (car expanded)))
+                                            (set! expanded (cdr expanded))
+                                            (set! count* (- count* 1)))
+                                     (push! item expanded*)))
                             (reverse expanded*)))
                          (else
                           (list (list block))))))
@@ -751,7 +751,7 @@
                        (if (null? block-list)
                            '()
                            (debug "Expanded" (combine (expand* (car block-list))
-                                                           (expand (cdr block-list)))))))
+                                                      (expand (cdr block-list)))))))
              (merge (lambda (verse-list)
                       (cond
                        ((null? verse-list)
@@ -760,15 +760,15 @@
                         (let ((verse-1 (first verse-list))
                               (verse-2 (second verse-list)))
                           (merge (cons (make-verse #:text (string-append (verse-text verse-1)
-                                                                              (verse-text verse-2))
-                                                        #:notelist/rests (append (verse-notelist/rests verse-1)
-                                                                                 (verse-notelist/rests verse-2))
-                                                        #:unfinished (verse-unfinished verse-2))
+                                                                         (verse-text verse-2))
+                                                   #:notelist/rests (append (verse-notelist/rests verse-1)
+                                                                            (verse-notelist/rests verse-2))
+                                                   #:unfinished (verse-unfinished verse-2))
                                        (cddr verse-list)))))
                        (else
                         (cons (car verse-list) (merge (cdr verse-list))))))))
       (debug "Final verses" (merge (append-map (lambda (lst) (append-map verse-block-verse-list lst))
-                                                    (expand verse-block-list)))))))
+                                               (expand verse-block-list)))))))
 
 (define (handle-music music)
   ;; Returns list of verses.
@@ -791,7 +791,7 @@
 
 
 (define festival-note-mapping '((0 "C") (1 "C#") (2 "D") (3 "D#") (4 "E") (5 "F") (6 "F#")
-                                     (7 "G") (8 "G#") (9 "A") (10 "A#") (11 "B")))
+                                (7 "G") (8 "G#") (9 "A") (10 "A#") (11 "B")))
 (define (festival-pitch pitch)
   (let* ((semitones (ly:pitch-semitones pitch))
          (octave (inexact->exact (floor (/ semitones 12))))
@@ -815,17 +815,17 @@
                 (let ((text (verse-text verse))
                       (note/rest-list (verse-notelist/rests verse)))
                   (receive (rest-list note-listlist) (partition rest? note/rest-list)
-                    (debug "Rest list" rest-list)
-                    (debug "Note list" note-listlist)
-                    (if (not (null? rest-list))
-                        (set! rest-dur (+ rest-dur (apply + (map rest-duration rest-list)))))
-                    (if (not (null? note-listlist))
-                        (begin
-                          (if (> rest-dur 0)
-                              (begin
-                                (write-rest-element port rest-dur)
-                                (set! rest-dur 0)))
-                          (write-lyrics-element port text note-listlist))))))
+                           (debug "Rest list" rest-list)
+                           (debug "Note list" note-listlist)
+                           (if (not (null? rest-list))
+                               (set! rest-dur (+ rest-dur (apply + (map rest-duration rest-list)))))
+                           (if (not (null? note-listlist))
+                               (begin
+                                 (if (> rest-dur 0)
+                                     (begin
+                                       (write-rest-element port rest-dur)
+                                       (set! rest-dur 0)))
+                                 (write-lyrics-element port text note-listlist))))))
               (handle-music music))
     (if (> rest-dur 0)
         (write-rest-element port rest-dur))))
diff --git a/scm/standalone.scm b/scm/standalone.scm
index bd3b7593ac..ee44d43878 100644
--- a/scm/standalone.scm
+++ b/scm/standalone.scm
@@ -24,26 +24,26 @@
 
 (define (gulp-file name)
   (let* ((file (open-input-file name))
-	 (text (read-delimited "" file)))
+         (text (read-delimited "" file)))
     (close file)
     text))
 
 (define (scm-gulp-file name)
-  (set! %load-path 
-	(cons (string-append (getenv "LILYPOND_DATADIR") "/ly")
-	      (cons (string-append (getenv "LILYPOND_DATADIR") "/ps")
-		    %load-path)))
+  (set! %load-path
+        (cons (string-append (getenv "LILYPOND_DATADIR") "/ly")
+              (cons (string-append (getenv "LILYPOND_DATADIR") "/ps")
+                    %load-path)))
   (let ((path (%search-load-path name)))
-       (if path
-	   (gulp-file path)
-	   (gulp-file name))))
+    (if path
+        (gulp-file path)
+        (gulp-file name))))
 
 (define (scm-number->string x)
   (let ((e (inexact->exact x)))
     (string-append (if (= e x)
-		       (number->string e)
-		       (number->string x))
-		   " ")))
+                       (number->string e)
+                       (number->string x))
+                   " ")))
 
 (define ly:gulp-file scm-gulp-file)
 (define ly:number->string scm-number->string)
diff --git a/scm/stencil.scm b/scm/stencil.scm
index d492f17a1c..8bbbed086f 100644
--- a/scm/stencil.scm
+++ b/scm/stencil.scm
@@ -34,10 +34,10 @@
                          ,(car (list-ref coords 6))
                          ,(cdr (list-ref coords 6))
                          closepath)))
-  (ly:make-stencil
-    `(path ,thick `(,@' ,command-list) 'round 'round #t)
-    xext
-    yext)))
+    (ly:make-stencil
+     `(path ,thick `(,@' ,command-list) 'round 'round #t)
+     xext
+     yext)))
 
 (define-public (stack-stencils axis dir padding stils)
   "Stack stencils @var{stils} in direction @var{axis}, @var{dir}, using
@@ -85,16 +85,16 @@ a list of @var{paddings}."
   "Add brackets around @var{stil}, producing a new stencil."
 
   (let* ((ext (ly:stencil-extent stil axis))
-	 (lb (ly:bracket axis ext thick protrusion))
-	 (rb (ly:bracket axis ext thick (- protrusion))))
+         (lb (ly:bracket axis ext thick protrusion))
+         (rb (ly:bracket axis ext thick (- protrusion))))
     (set! stil
-	  (ly:stencil-combine-at-edge stil (other-axis axis) 1 rb padding))
+          (ly:stencil-combine-at-edge stil (other-axis axis) 1 rb padding))
     (set! stil
-	  (ly:stencil-combine-at-edge stil (other-axis axis) -1 lb padding))
+          (ly:stencil-combine-at-edge stil (other-axis axis) -1 lb padding))
     stil))
 
 (define (make-parenthesis-stencil
-	 y-extent half-thickness width angularity)
+         y-extent half-thickness width angularity)
   "Create a parenthesis stencil.
 @var{y-extent} is the Y extent of the markup inside the parenthesis.
 @var{half-thickness} is the half thickness of the parenthesis.
@@ -102,70 +102,70 @@ a list of @var{paddings}."
 The higher the value of number @var{angularity},
 the more angular the shape of the parenthesis."
   (let* ((line-width 0.1)
-	 ;; Horizontal position of baseline that end points run through.
-	 (base-x
-	  (if (< width 0)
-	      (- width)
-	      0))
+         ;; Horizontal position of baseline that end points run through.
+         (base-x
+          (if (< width 0)
+              (- width)
+              0))
          ;; X value farthest from baseline on outside  of curve
          (outer-x (+ base-x width))
          ;; X extent of bezier sandwich centerline curves
          (x-extent (ordered-cons base-x outer-x))
-	 (bottom-y (interval-start y-extent))
-	 (top-y (interval-end y-extent))
-
-	 (lower-end-point (cons base-x bottom-y))
-	 (upper-end-point (cons base-x top-y))
-
-	 (outer-control-x (+ base-x (* 4/3 width)))
-	 (inner-control-x (+ outer-control-x
-			     (if (< width 0)
-				 half-thickness
-				 (- half-thickness))))
-
-	 ;; Vertical distance between a control point
-	 ;; and the end point it connects to.
-	 (offset-index (- (* 0.6 angularity) 0.8))
-	 (lower-control-y (interval-index y-extent offset-index))
-	 (upper-control-y (interval-index y-extent (- offset-index)))
-
-	 (lower-outer-control-point
-	  (cons outer-control-x lower-control-y))
-	 (upper-outer-control-point
-	  (cons outer-control-x upper-control-y))
-	 (upper-inner-control-point
-	  (cons inner-control-x upper-control-y))
-	 (lower-inner-control-point
-	  (cons inner-control-x lower-control-y)))
+         (bottom-y (interval-start y-extent))
+         (top-y (interval-end y-extent))
+
+         (lower-end-point (cons base-x bottom-y))
+         (upper-end-point (cons base-x top-y))
+
+         (outer-control-x (+ base-x (* 4/3 width)))
+         (inner-control-x (+ outer-control-x
+                             (if (< width 0)
+                                 half-thickness
+                                 (- half-thickness))))
+
+         ;; Vertical distance between a control point
+         ;; and the end point it connects to.
+         (offset-index (- (* 0.6 angularity) 0.8))
+         (lower-control-y (interval-index y-extent offset-index))
+         (upper-control-y (interval-index y-extent (- offset-index)))
+
+         (lower-outer-control-point
+          (cons outer-control-x lower-control-y))
+         (upper-outer-control-point
+          (cons outer-control-x upper-control-y))
+         (upper-inner-control-point
+          (cons inner-control-x upper-control-y))
+         (lower-inner-control-point
+          (cons inner-control-x lower-control-y)))
 
     (make-bezier-sandwich-stencil
-      (list
-	     ;; Step 4: curve through inner control points
-	     ;; to lower end point.
-	     upper-inner-control-point
-	     lower-inner-control-point
-	     lower-end-point
-	     ;; Step 3: move to upper end point.
-	     upper-end-point
-	     ;; Step 2: curve through outer control points
-	     ;; to upper end point.
-	     lower-outer-control-point
-	     upper-outer-control-point
-	     upper-end-point
-	     ;; Step 1: move to lower end point.
-	     lower-end-point)
-      line-width
-      (interval-widen x-extent (/ line-width 2))
-      (interval-widen y-extent (/ line-width 2)))))
+     (list
+      ;; Step 4: curve through inner control points
+      ;; to lower end point.
+      upper-inner-control-point
+      lower-inner-control-point
+      lower-end-point
+      ;; Step 3: move to upper end point.
+      upper-end-point
+      ;; Step 2: curve through outer control points
+      ;; to upper end point.
+      lower-outer-control-point
+      upper-outer-control-point
+      upper-end-point
+      ;; Step 1: move to lower end point.
+      lower-end-point)
+     line-width
+     (interval-widen x-extent (/ line-width 2))
+     (interval-widen y-extent (/ line-width 2)))))
 
 (define-public (parenthesize-stencil
-		stencil half-thickness width angularity padding)
+                stencil half-thickness width angularity padding)
   "Add parentheses around @var{stencil}, returning a new stencil."
   (let* ((y-extent (ly:stencil-extent stencil Y))
-	 (lp (make-parenthesis-stencil
-	      y-extent half-thickness (- width) angularity))
-	 (rp (make-parenthesis-stencil
-	      y-extent half-thickness width angularity)))
+         (lp (make-parenthesis-stencil
+              y-extent half-thickness (- width) angularity))
+         (rp (make-parenthesis-stencil
+              y-extent half-thickness width angularity)))
     (set! stencil (ly:stencil-combine-at-edge stencil X LEFT lp padding))
     (set! stencil (ly:stencil-combine-at-edge stencil X RIGHT rp padding))
     stencil))
@@ -175,30 +175,30 @@ the more angular the shape of the parenthesis."
   (let ((xext (cons (min startx endx) (max startx endx)))
         (yext (cons (min starty endy) (max starty endy))))
     (ly:make-stencil
-      (list 'draw-line width startx starty endx endy)
-      ;; Since the line has rounded edges, we have to / can safely add half the
-      ;; width to all coordinates!
-      (interval-widen xext (/ width 2))
-      (interval-widen yext (/ width 2)))))
+     (list 'draw-line width startx starty endx endy)
+     ;; Since the line has rounded edges, we have to / can safely add half the
+     ;; width to all coordinates!
+     (interval-widen xext (/ width 2))
+     (interval-widen yext (/ width 2)))))
 
 
 (define-public (make-filled-box-stencil xext yext)
   "Make a filled box."
 
   (ly:make-stencil
-      (list 'round-filled-box (- (car xext)) (cdr xext)
-                       (- (car yext)) (cdr yext) 0.0)
-      xext yext))
+   (list 'round-filled-box (- (car xext)) (cdr xext)
+         (- (car yext)) (cdr yext) 0.0)
+   xext yext))
 
 (define-public (make-circle-stencil radius thickness fill)
   "Make a circle of radius @var{radius} and thickness @var{thickness}."
   (let*
       ((out-radius (+ radius (/ thickness 2.0))))
 
-  (ly:make-stencil
-   (list 'circle radius thickness fill)
-   (cons (- out-radius) out-radius)
-   (cons (- out-radius) out-radius))))
+    (ly:make-stencil
+     (list 'circle radius thickness fill)
+     (cons (- out-radius) out-radius)
+     (cons (- out-radius) out-radius))))
 
 (define-public (make-oval-stencil x-radius y-radius thickness fill)
   "Make an oval from two Bezier curves, of x@tie{}radius @var{x-radius},
@@ -216,14 +216,14 @@ defined by @code{fill}."
                    ,(list 'curveto x-min y-min x-max y-min x-max 0)
                    ,(list 'closepath)))
        (command-list (fold-right append '() commands)))
-  (ly:make-stencil
-    `(path ,thickness `(,@',command-list) 'round 'round ,fill)
-    (cons (- x-out-radius) x-out-radius)
-    (cons (- y-out-radius) y-out-radius))))
+    (ly:make-stencil
+     `(path ,thickness `(,@',command-list) 'round 'round ,fill)
+     (cons (- x-out-radius) x-out-radius)
+     (cons (- y-out-radius) y-out-radius))))
 
 (define-public
   (make-partial-ellipse-stencil
-    x-radius y-radius start-angle end-angle thick connect fill)
+   x-radius y-radius start-angle end-angle thick connect fill)
   "Create an elliptical arc
 @var{x-radius} is the X radius of the arc.
 @var{y-radius} is the Y radius of the arc.
@@ -238,7 +238,7 @@ be connected to the start by a line.
 the partial ellipse until 7*PI/2.  For example, in pseudo-code:
 > (make-radius-list 2 3)
 ((0.0 . 2) (PI/2 . 3) (PI . -2) (3*PI/2 . -3)
-(2*PI . 2) (5*PI/2 . 3) (3*PI . -2) (7*PI/2 . -3))
+ (2*PI . 2) (5*PI/2 . 3) (3*PI . -2) (7*PI/2 . -3))
 "
     (apply append
            (map (lambda (adder)
@@ -363,38 +363,38 @@ then reduce using @var{min-max}:
 
 (define (bezier-part-min-max x1 x2 x3 x4)
   ((lambda (x) (list (reduce min 10000 x) (reduce max -10000 x)))
-    (map
-      (lambda (x)
-        (+ (* x1 (expt (- 1 x) 3))
-           (+ (* 3 (* x2 (* (expt (- 1 x) 2) x)))
-              (+ (* 3 (* x3 (* (- 1 x) (expt x 2))))
-                 (* x4 (expt x 3))))))
-      (if (< (+ (expt x2 2) (+ (expt x3 2) (* x1 x4)))
-             (+ (* x1 x3) (+ (* x2 x4) (* x2 x3))))
+   (map
+    (lambda (x)
+      (+ (* x1 (expt (- 1 x) 3))
+         (+ (* 3 (* x2 (* (expt (- 1 x) 2) x)))
+            (+ (* 3 (* x3 (* (- 1 x) (expt x 2))))
+               (* x4 (expt x 3))))))
+    (if (< (+ (expt x2 2) (+ (expt x3 2) (* x1 x4)))
+           (+ (* x1 x3) (+ (* x2 x4) (* x2 x3))))
+        (list 0.0 1.0)
+        (filter
+         (lambda (x) (and (>= x 0) (<= x 1)))
+         (append
           (list 0.0 1.0)
-          (filter
-            (lambda (x) (and (>= x 0) (<= x 1)))
-            (append
-              (list 0.0 1.0)
-              (map (lambda (op)
-                     (if (not (eqv? 0.0
-                                    (exact->inexact (- (+ x1 (* 3 x3)) (+ x4 (* 3 x2))))))
-                         ;; Zeros of the bezier curve
-                         (/ (+ (- x1 (* 2 x2))
-                               (op x3
-                                   (sqrt (- (+ (expt x2 2)
-                                               (+ (expt x3 2) (* x1 x4)))
-                                            (+ (* x1 x3)
-                                               (+ (* x2 x4) (* x2 x3)))))))
-                            (- (+ x1 (* 3 x3)) (+ x4 (* 3 x2))))
-                         ;; Apply L'hopital's rule to get the zeros if 0/0
-                         (* (op 0 1)
-                            (/ (/ (- x4 x3) 2)
-                               (sqrt (- (+ (* x2 x2)
-                                           (+ (* x3 x3) (* x1 x4)))
+          (map (lambda (op)
+                 (if (not (eqv? 0.0
+                                (exact->inexact (- (+ x1 (* 3 x3)) (+ x4 (* 3 x2))))))
+                     ;; Zeros of the bezier curve
+                     (/ (+ (- x1 (* 2 x2))
+                           (op x3
+                               (sqrt (- (+ (expt x2 2)
+                                           (+ (expt x3 2) (* x1 x4)))
                                         (+ (* x1 x3)
-                                           (+ (* x2 x4) (* x2 x3)))))))))
-                   (list + -))))))))
+                                           (+ (* x2 x4) (* x2 x3)))))))
+                        (- (+ x1 (* 3 x3)) (+ x4 (* 3 x2))))
+                     ;; Apply L'hopital's rule to get the zeros if 0/0
+                     (* (op 0 1)
+                        (/ (/ (- x4 x3) 2)
+                           (sqrt (- (+ (* x2 x2)
+                                       (+ (* x3 x3) (* x1 x4)))
+                                    (+ (* x1 x3)
+                                       (+ (* x2 x4) (* x2 x3)))))))))
+               (list + -))))))))
 
 (define (bezier-min-max x1 y1 x2 y2 x3 y3 x4 y4)
   (map (lambda (x)
@@ -410,21 +410,21 @@ then reduce using @var{min-max}:
 
   ((lambda (x)
      (list
-       (reduce min +inf.0 (map caar x))
-       (reduce max -inf.0 (map cadar x))
-       (reduce min +inf.0 (map caadr x))
-       (reduce max -inf.0 (map cadadr x))))
-    (map (lambda (x)
-	   (if (= (length x) 8)
-	       (apply bezier-min-max x)
-	       (apply line-min-max x)))
-	 (map (lambda (x y)
-		(append (list (cadr (reverse x)) (car (reverse x))) y))
-	      (append (list origin)
-		      (reverse (cdr (reverse pointlist)))) pointlist))))
+      (reduce min +inf.0 (map caar x))
+      (reduce max -inf.0 (map cadar x))
+      (reduce min +inf.0 (map caadr x))
+      (reduce max -inf.0 (map cadadr x))))
+   (map (lambda (x)
+          (if (= (length x) 8)
+              (apply bezier-min-max x)
+              (apply line-min-max x)))
+        (map (lambda (x y)
+               (append (list (cadr (reverse x)) (car (reverse x))) y))
+             (append (list origin)
+                     (reverse (cdr (reverse pointlist)))) pointlist))))
 
 (define-public (make-connected-path-stencil pointlist thickness
-					    x-scale y-scale connect fill)
+                                            x-scale y-scale connect fill)
   "Make a connected path described by the list @var{pointlist}, with
 thickness @var{thickness}, and scaled by @var{x-scale} in the X direction
 and @var{y-scale} in the Y direction.  @var{connect} and @var{fill} are
@@ -433,48 +433,48 @@ respectively."
 
   ;; paths using this routine are designed to begin at point '(0 . 0)
   (let* ((origin (list 0 0))
-	 (boundlist (path-min-max origin pointlist))
-	 ;; modify pointlist to scale the coordinates
-	 (path (map (lambda (x)
-		      (apply
-			(if (= 6 (length x))
-			    (lambda (x1 x2 x3 x4 x5 x6)
-			      (list 'curveto
-				    (* x1 x-scale)
-				    (* x2 y-scale)
-				    (* x3 x-scale)
-				    (* x4 y-scale)
-				    (* x5 x-scale)
-				    (* x6 y-scale)))
-			    (lambda (x1 x2)
-			      (list 'lineto
-				    (* x1 x-scale)
-				    (* x2 y-scale))))
-			x))
-		    pointlist))
-	 ;; a path must begin with a `moveto'
-	 (prepend-origin (apply list (cons 'moveto origin) path))
-	 ;; if this path is connected, add closepath to the end
-	 (final-path (if connect
-			 (append prepend-origin (list 'closepath))
-			 prepend-origin))
-	 (command-list (fold-right append '() final-path)))
-  (ly:make-stencil
-    `(path ,thickness
-	   `(,@',command-list)
-	   'round
-	   'round
-	   ,(if fill #t #f))
-    (coord-translate
+         (boundlist (path-min-max origin pointlist))
+         ;; modify pointlist to scale the coordinates
+         (path (map (lambda (x)
+                      (apply
+                       (if (= 6 (length x))
+                           (lambda (x1 x2 x3 x4 x5 x6)
+                             (list 'curveto
+                                   (* x1 x-scale)
+                                   (* x2 y-scale)
+                                   (* x3 x-scale)
+                                   (* x4 y-scale)
+                                   (* x5 x-scale)
+                                   (* x6 y-scale)))
+                           (lambda (x1 x2)
+                             (list 'lineto
+                                   (* x1 x-scale)
+                                   (* x2 y-scale))))
+                       x))
+                    pointlist))
+         ;; a path must begin with a `moveto'
+         (prepend-origin (apply list (cons 'moveto origin) path))
+         ;; if this path is connected, add closepath to the end
+         (final-path (if connect
+                         (append prepend-origin (list 'closepath))
+                         prepend-origin))
+         (command-list (fold-right append '() final-path)))
+    (ly:make-stencil
+     `(path ,thickness
+            `(,@',command-list)
+            'round
+            'round
+            ,(if fill #t #f))
+     (coord-translate
       ((if (< x-scale 0) reverse-interval identity)
-        (cons (* x-scale (list-ref boundlist 0))
-              (* x-scale (list-ref boundlist 1))))
-        `(,(/ thickness -2) . ,(/ thickness 2)))
-    (coord-translate
+       (cons (* x-scale (list-ref boundlist 0))
+             (* x-scale (list-ref boundlist 1))))
+      `(,(/ thickness -2) . ,(/ thickness 2)))
+     (coord-translate
       ((if (< y-scale 0) reverse-interval identity)
-        (cons (* y-scale (list-ref boundlist 2))
-              (* y-scale (list-ref boundlist 3))))
-        `(,(/ thickness -2) . ,(/ thickness 2))))))
+       (cons (* y-scale (list-ref boundlist 2))
+             (* y-scale (list-ref boundlist 3))))
+      `(,(/ thickness -2) . ,(/ thickness 2))))))
 
 (define-public (make-ellipse-stencil x-radius y-radius thickness fill)
   "Make an ellipse of x@tie{}radius @var{x-radius}, y@tie{}radius
@@ -484,17 +484,17 @@ respectively."
       ((x-out-radius (+ x-radius (/ thickness 2.0)))
        (y-out-radius (+ y-radius (/ thickness 2.0))) )
 
-  (ly:make-stencil
-   (list 'ellipse x-radius y-radius thickness fill)
-   (cons (- x-out-radius) x-out-radius)
-   (cons (- y-out-radius) y-out-radius))))
+    (ly:make-stencil
+     (list 'ellipse x-radius y-radius thickness fill)
+     (cons (- x-out-radius) x-out-radius)
+     (cons (- y-out-radius) y-out-radius))))
 
 (define-public (box-grob-stencil grob)
   "Make a box of exactly the extents of the grob.  The box precisely
 encloses the contents."
   (let* ((xext (ly:grob-extent grob grob 0))
-	 (yext (ly:grob-extent grob grob 1))
-	 (thick 0.01))
+         (yext (ly:grob-extent grob grob 1))
+         (thick 0.01))
 
     (ly:stencil-add
      (make-filled-box-stencil xext (cons (- (car yext) thick) (car yext)))
@@ -506,10 +506,10 @@ encloses the contents."
 (define-public (box-stencil stencil thickness padding)
   "Add a box around @var{stencil}, producing a new stencil."
   (let* ((x-ext (interval-widen (ly:stencil-extent stencil 0) padding))
-	 (y-ext (interval-widen (ly:stencil-extent stencil 1) padding))
-	 (y-rule (make-filled-box-stencil (cons 0 thickness) y-ext))
-	 (x-rule (make-filled-box-stencil
-		  (interval-widen x-ext thickness) (cons 0 thickness))))
+         (y-ext (interval-widen (ly:stencil-extent stencil 1) padding))
+         (y-rule (make-filled-box-stencil (cons 0 thickness) y-ext))
+         (x-rule (make-filled-box-stencil
+                  (interval-widen x-ext thickness) (cons 0 thickness))))
     (set! stencil (ly:stencil-combine-at-edge stencil X 1 y-rule padding))
     (set! stencil (ly:stencil-combine-at-edge stencil X -1 y-rule padding))
     (set! stencil (ly:stencil-combine-at-edge stencil Y 1 x-rule 0.0))
@@ -519,74 +519,74 @@ encloses the contents."
 (define-public (circle-stencil stencil thickness padding)
   "Add a circle around @var{stencil}, producing a new stencil."
   (let* ((x-ext (ly:stencil-extent stencil X))
-	 (y-ext (ly:stencil-extent stencil Y))
-	 (diameter (max (interval-length x-ext)
+         (y-ext (ly:stencil-extent stencil Y))
+         (diameter (max (interval-length x-ext)
                         (interval-length y-ext)))
-	 (radius (+ (/ diameter 2) padding thickness))
-	 (circle (make-circle-stencil radius thickness #f)))
+         (radius (+ (/ diameter 2) padding thickness))
+         (circle (make-circle-stencil radius thickness #f)))
 
     (ly:stencil-add
      stencil
      (ly:stencil-translate circle
-			   (cons
-			    (interval-center x-ext)
-			    (interval-center y-ext))))))
+                           (cons
+                            (interval-center x-ext)
+                            (interval-center y-ext))))))
 
 (define-public (oval-stencil stencil thickness x-padding y-padding)
   "Add an oval around @code{stencil}, padded by the padding pair,
 producing a new stencil."
   (let* ((x-ext (ly:stencil-extent stencil X))
-	 (y-ext (ly:stencil-extent stencil Y))
+         (y-ext (ly:stencil-extent stencil Y))
          (x-length (+ (interval-length x-ext) x-padding thickness))
          (y-length (+ (interval-length y-ext) y-padding thickness))
          (x-radius (* 0.707 x-length) )
          (y-radius (* 0.707 y-length) )
-	 (oval (make-oval-stencil x-radius y-radius thickness #f)))
+         (oval (make-oval-stencil x-radius y-radius thickness #f)))
 
     (ly:stencil-add
      stencil
      (ly:stencil-translate oval
-			   (cons
-			    (interval-center x-ext)
-			    (interval-center y-ext))))))
+                           (cons
+                            (interval-center x-ext)
+                            (interval-center y-ext))))))
 
 (define-public (ellipse-stencil stencil thickness x-padding y-padding)
   "Add an ellipse around @var{stencil}, padded by the padding pair,
 producing a new stencil."
   (let* ((x-ext (ly:stencil-extent stencil X))
-	 (y-ext (ly:stencil-extent stencil Y))
+         (y-ext (ly:stencil-extent stencil Y))
          (x-length (+ (interval-length x-ext) x-padding thickness))
          (y-length (+ (interval-length y-ext) y-padding thickness))
          ;; (aspect-ratio (/ x-length y-length))
          (x-radius (* 0.707 x-length) )
          (y-radius (* 0.707 y-length) )
-	 ;; (diameter (max (- (cdr x-ext) (car x-ext))
-	 ;;  		(- (cdr y-ext) (car y-ext))))
-	 ;; radius (+ (/ diameter 2) padding thickness))
-	 (ellipse (make-ellipse-stencil x-radius y-radius thickness #f)))
+         ;; (diameter (max (- (cdr x-ext) (car x-ext))
+         ;;             (- (cdr y-ext) (car y-ext))))
+         ;; radius (+ (/ diameter 2) padding thickness))
+         (ellipse (make-ellipse-stencil x-radius y-radius thickness #f)))
 
     (ly:stencil-add
      stencil
      (ly:stencil-translate ellipse
-			   (cons
-			    (interval-center x-ext)
-			    (interval-center y-ext))))))
+                           (cons
+                            (interval-center x-ext)
+                            (interval-center y-ext))))))
 
 (define-public (rounded-box-stencil stencil thickness padding blot)
-   "Add a rounded box around @var{stencil}, producing a new stencil."
+  "Add a rounded box around @var{stencil}, producing a new stencil."
 
   (let* ((xext (interval-widen (ly:stencil-extent stencil 0) padding))
-	 (yext (interval-widen (ly:stencil-extent stencil 1) padding))
-   (min-ext (min (-(cdr xext) (car xext)) (-(cdr yext) (car yext))))
-   (ideal-blot (min blot (/ min-ext 2)))
-   (ideal-thickness (min thickness (/ min-ext 2)))
-	 (outer (ly:round-filled-box
-            (interval-widen xext ideal-thickness)
-            (interval-widen yext ideal-thickness)
-               ideal-blot))
-	 (inner (ly:make-stencil (list 'color (x11-color 'white)
-            (ly:stencil-expr (ly:round-filled-box
-               xext yext (- ideal-blot ideal-thickness)))))))
+         (yext (interval-widen (ly:stencil-extent stencil 1) padding))
+         (min-ext (min (-(cdr xext) (car xext)) (-(cdr yext) (car yext))))
+         (ideal-blot (min blot (/ min-ext 2)))
+         (ideal-thickness (min thickness (/ min-ext 2)))
+         (outer (ly:round-filled-box
+                 (interval-widen xext ideal-thickness)
+                 (interval-widen yext ideal-thickness)
+                 ideal-blot))
+         (inner (ly:make-stencil (list 'color (x11-color 'white)
+                                       (ly:stencil-expr (ly:round-filled-box
+                                                         xext yext (- ideal-blot ideal-thickness)))))))
     (set! stencil (ly:stencil-add outer inner))
     stencil))
 
@@ -605,7 +605,7 @@ producing a new stencil."
 
     (ly:stencil-add
      (stencil-with-color (ly:round-filled-box x-ext y-ext 0.0)
-			 white)
+                         white)
      stencil)
     ))
 
@@ -614,63 +614,63 @@ producing a new stencil."
 with optional arrows of @code{max-size} on start and end controlled by
 @var{start?} and @var{end?}."
   (lambda (destination max-size)
-  (let*
-      ((e_x 1+0i)
-       (e_y 0+1i)
-       (distance (sqrt (+ (* (car destination) (car destination))
-			  (* (cdr destination) (cdr destination)))))
-       (size (min max-size (/ distance 3)))
-       (rotate (lambda (z ang)
-		 (* (make-polar 1 ang)
-		    z)))
-       (complex-to-offset (lambda (z)
-			    (list (real-part z) (imag-part z))))
-
-       (z-dest (+ (* e_x (car destination)) (* e_y (cdr destination))))
-       (e_z (/ z-dest (magnitude z-dest)))
-       (triangle-points (list
-			 (* size -1+0.25i)
-			 0
-			 (* size -1-0.25i)))
-       (p1s (map (lambda (z)
-		   (+ z-dest (rotate z (angle z-dest))))
-		 triangle-points))
-       (p2s (map (lambda (z)
-		   (rotate z (angle (- z-dest))))
-		   triangle-points))
-       (null (cons 0 0))
-       (arrow-1
-	(ly:make-stencil
-	 `(polygon (quote ,(concatenate (map complex-to-offset p1s)))
-		   0.0
-		   #t) null null))
-       (arrow-2
-	(ly:make-stencil
-	 `(polygon (quote ,(concatenate (map complex-to-offset p2s)))
-		   0.0
-		   #t) null null ) )
-       (thickness (min (/ distance 12) 0.1))
-       (shorten-line (min (/ distance 3) 0.5))
-       (start (complex-to-offset (/ (* e_z shorten-line) 2)))
-       (end (complex-to-offset (- z-dest (/ (* e_z shorten-line) 2))))
-
-       (line (ly:make-stencil
-	      `(draw-line ,thickness
-			  ,(car start) ,(cadr start)
-			  ,(car end) ,(cadr end)
-			  )
-	      (cons (min 0 (car destination))
-		    (min 0 (cdr destination)))
-	      (cons (max 0 (car destination))
-		    (max 0 (cdr destination)))))
-
-       (result
-         (ly:stencil-add
+    (let*
+        ((e_x 1+0i)
+         (e_y 0+1i)
+         (distance (sqrt (+ (* (car destination) (car destination))
+                            (* (cdr destination) (cdr destination)))))
+         (size (min max-size (/ distance 3)))
+         (rotate (lambda (z ang)
+                   (* (make-polar 1 ang)
+                      z)))
+         (complex-to-offset (lambda (z)
+                              (list (real-part z) (imag-part z))))
+
+         (z-dest (+ (* e_x (car destination)) (* e_y (cdr destination))))
+         (e_z (/ z-dest (magnitude z-dest)))
+         (triangle-points (list
+                           (* size -1+0.25i)
+                           0
+                           (* size -1-0.25i)))
+         (p1s (map (lambda (z)
+                     (+ z-dest (rotate z (angle z-dest))))
+                   triangle-points))
+         (p2s (map (lambda (z)
+                     (rotate z (angle (- z-dest))))
+                   triangle-points))
+         (null (cons 0 0))
+         (arrow-1
+          (ly:make-stencil
+           `(polygon (quote ,(concatenate (map complex-to-offset p1s)))
+                     0.0
+                     #t) null null))
+         (arrow-2
+          (ly:make-stencil
+           `(polygon (quote ,(concatenate (map complex-to-offset p2s)))
+                     0.0
+                     #t) null null ) )
+         (thickness (min (/ distance 12) 0.1))
+         (shorten-line (min (/ distance 3) 0.5))
+         (start (complex-to-offset (/ (* e_z shorten-line) 2)))
+         (end (complex-to-offset (- z-dest (/ (* e_z shorten-line) 2))))
+
+         (line (ly:make-stencil
+                `(draw-line ,thickness
+                            ,(car start) ,(cadr start)
+                            ,(car end) ,(cadr end)
+                            )
+                (cons (min 0 (car destination))
+                      (min 0 (cdr destination)))
+                (cons (max 0 (car destination))
+                      (max 0 (cdr destination)))))
+
+         (result
+          (ly:stencil-add
            (if start? arrow-2 empty-stencil)
            (if end? arrow-1 empty-stencil)
            line)))
 
-    result)))
+      result)))
 
 (define-public dimension-arrows (arrow-stencil-maker #t #t))
 
@@ -684,20 +684,20 @@ with optional arrows of @code{max-size} on start and end controlled by
 (define*-public (annotate-y-interval layout name extent is-length
                                      #:key (color darkblue))
   (let ((text-props (cons '((font-size . -3)
-			    (font-family . typewriter))
-			  (layout-extract-page-properties layout)))
-	(annotation #f))
+                            (font-family . typewriter))
+                          (layout-extract-page-properties layout)))
+        (annotation #f))
     (define (center-stencil-on-extent stil)
       (ly:stencil-translate (ly:stencil-aligned-to stil Y CENTER)
                             (cons 0 (interval-center extent))))
     ;; do something sensible for 0,0 intervals.
     (set! extent (interval-widen extent 0.001))
     (if (not (interval-sane? extent))
-	(set! annotation (interpret-markup
-			  layout text-props
-			  (make-simple-markup (simple-format #f "~a: NaN/inf" name))))
-	(let ((text-stencil (interpret-markup
-			     layout text-props
+        (set! annotation (interpret-markup
+                          layout text-props
+                          (make-simple-markup (simple-format #f "~a: NaN/inf" name))))
+        (let ((text-stencil (interpret-markup
+                             layout text-props
                              (markup #:whiteout #:simple name)))
               (dim-stencil (interpret-markup
                             layout text-props
@@ -709,88 +709,88 @@ with optional arrows of @code{max-size} on start and end controlled by
                                                (ly:format "~$" (interval-length extent)))
                                               (else
                                                (ly:format "(~$,~$)"
-                                                       (car extent) (cdr extent)))))))
-	      (arrows (ly:stencil-translate-axis
-		       (dimension-arrows (cons 0 (interval-length extent)) 1.0)
-		       (interval-start extent) Y)))
-	  (set! annotation
+                                                          (car extent) (cdr extent)))))))
+              (arrows (ly:stencil-translate-axis
+                       (dimension-arrows (cons 0 (interval-length extent)) 1.0)
+                       (interval-start extent) Y)))
+          (set! annotation
                 (center-stencil-on-extent text-stencil))
-	  (set! annotation
-		(ly:stencil-combine-at-edge arrows X RIGHT annotation 0.5))
-	  (set! annotation
-		(ly:stencil-combine-at-edge annotation X LEFT
+          (set! annotation
+                (ly:stencil-combine-at-edge arrows X RIGHT annotation 0.5))
+          (set! annotation
+                (ly:stencil-combine-at-edge annotation X LEFT
                                             (center-stencil-on-extent dim-stencil)
                                             0.5))
-	  (set! annotation
-		(stencil-with-color annotation color))))
+          (set! annotation
+                (stencil-with-color annotation color))))
     annotation))
 
 
 ;; TODO: figure out how to annotate padding nicely
 ;; TODO: emphasize either padding or min-dist depending on which constraint was active
 (define*-public (annotate-spacing-spec layout spacing-spec start-Y-offset next-staff-Y
-				      #:key (base-color blue))
-   (let* ((get-spacing-var (lambda (sym) (assoc-get sym spacing-spec 0.0)))
-	 (space (get-spacing-var 'basic-distance))
-	 (padding (get-spacing-var 'padding))
-	 (min-dist (get-spacing-var 'minimum-distance))
-	 (contrast-color (append (cdr base-color) (list (car base-color))))
-	 (min-dist-blocks (<= (- start-Y-offset min-dist) next-staff-Y))
-	 (min-dist-color (if min-dist-blocks contrast-color base-color))
-	 (basic-annotation (annotate-y-interval layout
-						"basic-dist"
-						(cons (- start-Y-offset space) start-Y-offset)
-						#t
-						#:color (map (lambda (x) (* x 0.25)) base-color)))
-	 (min-annotation (annotate-y-interval layout
-					      "min-dist"
-					      (cons (- start-Y-offset min-dist) start-Y-offset)
-					      #t
-					      #:color min-dist-color))
-	 (extra-annotation (annotate-y-interval layout
-						"extra dist"
-						(cons next-staff-Y (- start-Y-offset min-dist))
-						#t
-						#:color (map (lambda (x) (* x 0.5)) min-dist-color))))
+                                       #:key (base-color blue))
+  (let* ((get-spacing-var (lambda (sym) (assoc-get sym spacing-spec 0.0)))
+         (space (get-spacing-var 'basic-distance))
+         (padding (get-spacing-var 'padding))
+         (min-dist (get-spacing-var 'minimum-distance))
+         (contrast-color (append (cdr base-color) (list (car base-color))))
+         (min-dist-blocks (<= (- start-Y-offset min-dist) next-staff-Y))
+         (min-dist-color (if min-dist-blocks contrast-color base-color))
+         (basic-annotation (annotate-y-interval layout
+                                                "basic-dist"
+                                                (cons (- start-Y-offset space) start-Y-offset)
+                                                #t
+                                                #:color (map (lambda (x) (* x 0.25)) base-color)))
+         (min-annotation (annotate-y-interval layout
+                                              "min-dist"
+                                              (cons (- start-Y-offset min-dist) start-Y-offset)
+                                              #t
+                                              #:color min-dist-color))
+         (extra-annotation (annotate-y-interval layout
+                                                "extra dist"
+                                                (cons next-staff-Y (- start-Y-offset min-dist))
+                                                #t
+                                                #:color (map (lambda (x) (* x 0.5)) min-dist-color))))
 
     (stack-stencils X RIGHT 0.0
-		    (list
-		     basic-annotation
-		     (if min-dist-blocks
-			 min-annotation
-			 (ly:stencil-add min-annotation extra-annotation))))))
+                    (list
+                     basic-annotation
+                     (if min-dist-blocks
+                         min-annotation
+                         (ly:stencil-add min-annotation extra-annotation))))))
 
 (define-public (eps-file->stencil axis size file-name)
   (let*
       ((contents (ly:gulp-file file-name))
        (bbox (get-postscript-bbox (car (string-split contents #\nul))))
        (bbox-size (if (= axis X)
-		      (- (list-ref bbox 2) (list-ref bbox 0))
-		      (- (list-ref bbox 3) (list-ref bbox 1))
-		      ))
+                      (- (list-ref bbox 2) (list-ref bbox 0))
+                      (- (list-ref bbox 3) (list-ref bbox 1))
+                      ))
        (factor (if (< 0 bbox-size)
-		   (exact->inexact (/ size bbox-size))
-		   0))
+                   (exact->inexact (/ size bbox-size))
+                   0))
        (scaled-bbox
-	(map (lambda (x) (* factor x)) bbox))
+        (map (lambda (x) (* factor x)) bbox))
        ;; We need to shift the whole eps to (0,0), otherwise it will appear
        ;; displaced in lilypond (displacement will depend on the scaling!)
        (translate-string (ly:format "~a ~a translate" (- (list-ref bbox 0)) (- (list-ref bbox 1))))
        (clip-rect-string (ly:format
-			  "~a ~a ~a ~a rectclip"
-			  (list-ref bbox 0)
-			  (list-ref bbox 1)
-			  (- (list-ref bbox 2) (list-ref bbox 0))
-			  (- (list-ref bbox 3) (list-ref bbox 1)))))
+                          "~a ~a ~a ~a rectclip"
+                          (list-ref bbox 0)
+                          (list-ref bbox 1)
+                          (- (list-ref bbox 2) (list-ref bbox 0))
+                          (- (list-ref bbox 3) (list-ref bbox 1)))))
 
 
     (if bbox
-	(ly:make-stencil
-	 (list
-	  'embedded-ps
-	  (string-append
-	   (ly:format
-	   "
+        (ly:make-stencil
+         (list
+          'embedded-ps
+          (string-append
+           (ly:format
+            "
 gsave
 currentpoint translate
 BeginEPSF
@@ -800,19 +800,19 @@ BeginEPSF
 %%BeginDocument: ~a
 "         factor translate-string  clip-rect-string
 
-	   file-name
-	   )
-	   contents
-	   "%%EndDocument
+file-name
+)
+           contents
+           "%%EndDocument
 EndEPSF
 grestore
 "))
-	 ;; Stencil starts at (0,0), since we have shifted the eps, and its
+         ;; Stencil starts at (0,0), since we have shifted the eps, and its
          ;; size is exactly the size of the scaled bounding box
-	 (cons 0 (- (list-ref scaled-bbox 2) (list-ref scaled-bbox 0)))
-	 (cons 0 (- (list-ref scaled-bbox 3) (list-ref scaled-bbox 1))))
+         (cons 0 (- (list-ref scaled-bbox 2) (list-ref scaled-bbox 0)))
+         (cons 0 (- (list-ref scaled-bbox 3) (list-ref scaled-bbox 1))))
 
-	(ly:make-stencil "" '(0 . 0) '(0 . 0)))
+        (ly:make-stencil "" '(0 . 0) '(0 . 0)))
     ))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -821,12 +821,12 @@ grestore
 (define-public (write-system-signatures basename paper-systems count)
   (if (pair? paper-systems)
       (begin
-	(let*
-	    ((outname (simple-format #f "~a-~a.signature" basename count)) )
+        (let*
+            ((outname (simple-format #f "~a-~a.signature" basename count)) )
 
-	  (ly:message "Writing ~a" outname)
-	  (write-system-signature outname (car paper-systems))
-	  (write-system-signatures basename (cdr paper-systems) (1+ count))))))
+          (ly:message "Writing ~a" outname)
+          (write-system-signature outname (car paper-systems))
+          (write-system-signatures basename (cdr paper-systems) (1+ count))))))
 
 (use-modules (scm paper-system))
 (define-public (write-system-signature filename paper-system)
@@ -846,20 +846,20 @@ grestore
      ((float? expr) #f)
      ((ly:font-metric? expr) (ly:font-name expr))
      ((pair? expr) (cons (strip-floats (car expr))
-			 (strip-floats (cdr expr))))
+                         (strip-floats (cdr expr))))
      (else expr)))
 
   (define (fold-false-pairs expr)
     "Try to remove lists of #f as much as possible."
     (if (pair? expr)
-	(let*
-	    ((first (car expr))
-	     (rest (fold-false-pairs (cdr expr))))
+        (let*
+            ((first (car expr))
+             (rest (fold-false-pairs (cdr expr))))
 
-	  (if first
-	      (cons (fold-false-pairs first) rest)
-	      rest))
-	expr))
+          (if first
+              (cons (fold-false-pairs first) rest)
+              rest))
+        expr))
 
   (define (raw-string expr)
     "escape quotes and slashes for python consumption"
@@ -867,65 +867,65 @@ grestore
 
   (define (raw-pair expr)
     (simple-format #f "~a ~a"
-	    (car expr) (cdr expr)))
+                   (car expr) (cdr expr)))
 
   (define (found-grob expr)
     (let*
-	((grob (car expr))
-	 (rest (cdr expr))
-	 (collected '())
-	 (cause (event-cause grob))
-	 (input (if (ly:stream-event? cause) (ly:event-property cause 'origin) #f))
-	 (location (if (ly:input-location? input) (ly:input-file-line-char-column input) '()))
-
-	 ;; todo: use stencil extent if available.
-	 (x-ext (ly:grob-extent grob system-grob X))
-	 (y-ext (ly:grob-extent grob system-grob Y))
-	 (expression-skeleton
-	  (if compare-expressions
-	      (interpret-for-signature
-	       #f (lambda (e)
-		    (set! collected (cons e collected)))
-	       rest)
-	     "")))
+        ((grob (car expr))
+         (rest (cdr expr))
+         (collected '())
+         (cause (event-cause grob))
+         (input (if (ly:stream-event? cause) (ly:event-property cause 'origin) #f))
+         (location (if (ly:input-location? input) (ly:input-file-line-char-column input) '()))
+
+         ;; todo: use stencil extent if available.
+         (x-ext (ly:grob-extent grob system-grob X))
+         (y-ext (ly:grob-extent grob system-grob Y))
+         (expression-skeleton
+          (if compare-expressions
+              (interpret-for-signature
+               #f (lambda (e)
+                    (set! collected (cons e collected)))
+               rest)
+              "")))
 
       (simple-format output
-	      "~a@~a@~a@~a@~a\n"
-	      (cdr (assq 'name (ly:grob-property grob 'meta) ))
-	      (raw-string location)
-	      (raw-pair (if (interval-empty? x-ext) '(1 . -1) x-ext))
-	      (raw-pair (if (interval-empty? y-ext) '(1 . -1) y-ext))
-	      (raw-string collected))
+                     "~a@~a@~a@~a@~a\n"
+                     (cdr (assq 'name (ly:grob-property grob 'meta) ))
+                     (raw-string location)
+                     (raw-pair (if (interval-empty? x-ext) '(1 . -1) x-ext))
+                     (raw-pair (if (interval-empty? y-ext) '(1 . -1) y-ext))
+                     (raw-string collected))
       ))
 
   (define (interpret-for-signature escape collect expr)
     (define (interpret expr)
       (let*
-	  ((head (if (pair? expr)
-		     (car expr)
-		     #f)))
-
-	(cond
-	 ((eq? head 'grob-cause) (escape (cdr expr)))
-	 ((eq? head 'color) (interpret (caddr expr)))
-	 ((eq? head 'rotate-stencil) (interpret (caddr expr)))
-	 ((eq? head 'translate-stencil) (interpret (caddr expr)))
-	 ((eq? head 'combine-stencil)
-	  (for-each (lambda (e) (interpret e))  (cdr expr)))
-	 (else
-	  (collect (fold-false-pairs (strip-floats expr))))
-
-	 )))
+          ((head (if (pair? expr)
+                     (car expr)
+                     #f)))
+
+        (cond
+         ((eq? head 'grob-cause) (escape (cdr expr)))
+         ((eq? head 'color) (interpret (caddr expr)))
+         ((eq? head 'rotate-stencil) (interpret (caddr expr)))
+         ((eq? head 'translate-stencil) (interpret (caddr expr)))
+         ((eq? head 'combine-stencil)
+          (for-each (lambda (e) (interpret e))  (cdr expr)))
+         (else
+          (collect (fold-false-pairs (strip-floats expr))))
+
+         )))
 
     (interpret expr))
 
   (if (ly:grob? system-grob)
       (begin
-	(display (simple-format #f "# Output signature\n# Generated by LilyPond ~a\n" (lilypond-version))
-		 output)
-	(interpret-for-signature found-grob (lambda (x) #f)
-				 (ly:stencil-expr
-				  (paper-system-stencil paper-system)))))
+        (display (simple-format #f "# Output signature\n# Generated by LilyPond ~a\n" (lilypond-version))
+                 output)
+        (interpret-for-signature found-grob (lambda (x) #f)
+                                 (ly:stencil-expr
+                                  (paper-system-stencil paper-system)))))
 
   ;; should be superfluous, but leaking "too many open files"?
   (close-port output))
diff --git a/scm/tablature.scm b/scm/tablature.scm
index 3304e24af7..d62f0aa017 100644
--- a/scm/tablature.scm
+++ b/scm/tablature.scm
@@ -42,7 +42,7 @@
 
 ;; define sans serif-style tab-Clefs as a markup:
 (define-markup-command (customTabClef
-                                layout props num-strings staff-space)
+                        layout props num-strings staff-space)
   (integer? number?)
   #:category music
   "Draw a tab clef sans-serif style."
@@ -67,8 +67,8 @@
         ;; if it is "moderntab", we'll draw it
         (let* ((staff-symbol (ly:grob-object grob 'staff-symbol))
                (line-count (if (ly:grob? staff-symbol)
-			       (ly:grob-property staff-symbol 'line-count)
-			       0))
+                               (ly:grob-property staff-symbol 'line-count)
+                               0))
                (staff-space (ly:staff-symbol-staff-space grob)))
 
           (grob-interpret-markup grob (make-customTabClef-markup line-count
@@ -142,10 +142,10 @@
                   ;; tab note head is visible
                   (if tab-note-head-parenthesized
                       (begin
-			(ly:grob-set-property! tied-tab-note-head 'display-cautionary #t)
+                        (ly:grob-set-property! tied-tab-note-head 'display-cautionary #t)
                         (ly:grob-set-property! tied-tab-note-head 'stencil tab-note-head::print)))
                   ;; tab note head is invisible
-                 (ly:grob-set-property! tied-tab-note-head 'transparent #t)))
+                  (ly:grob-set-property! tied-tab-note-head 'transparent #t)))
 
             ;; tie is not split
             (ly:grob-set-property! tied-tab-note-head 'transparent #t)))))
@@ -169,14 +169,14 @@
                (tab-note-head-visible (assoc-get 'note-head-visible repeat-tied-properties #t))
                (tab-note-head-parenthesized (assoc-get 'parenthesize repeat-tied-properties #t)))
 
-        (if tab-note-head-visible
-            ;; tab note head is visible
-            (if tab-note-head-parenthesized
-                (begin
-                  (ly:grob-set-property! tied-tab-note-head 'display-cautionary #t)
-                  (ly:grob-set-property! tied-tab-note-head 'stencil tab-note-head::print)))
-            ;; tab note head is invisible
-            (ly:grob-set-property! tied-tab-note-head 'transparent #t))))))
+          (if tab-note-head-visible
+              ;; tab note head is visible
+              (if tab-note-head-parenthesized
+                  (begin
+                    (ly:grob-set-property! tied-tab-note-head 'display-cautionary #t)
+                    (ly:grob-set-property! tied-tab-note-head 'stencil tab-note-head::print)))
+              ;; tab note head is invisible
+              (ly:grob-set-property! tied-tab-note-head 'transparent #t))))))
 
 ;; the slurs should not be too far apart from the corresponding fret number, so
 ;; we move the slur towards the TabNoteHeads; moreover, if the left fret number is
@@ -196,7 +196,7 @@
                                          (* staff-space
                                             (ly:grob-property grob 'direction)
                                             0.35))))
-                             control-points)))
+                              control-points)))
 
     (ly:grob-set-property! grob 'control-points new-control-points)
     (ly:slur::print grob)))
@@ -231,48 +231,48 @@
   (define (is-harmonic? grob)
     (let ((arts (ly:event-property (event-cause grob) 'articulations)))
       (or (pair? (filter (lambda (a)
-			   (ly:in-event-class? a 'harmonic-event))
-			  arts))
-	  (eq? (ly:grob-property grob 'style) 'harmonic))))
+                           (ly:in-event-class? a 'harmonic-event))
+                         arts))
+          (eq? (ly:grob-property grob 'style) 'harmonic))))
 
   (let* ((cautionary (ly:grob-property grob 'display-cautionary #f))
-	 (details (ly:grob-property grob 'details '()))
-	 (harmonic-props (assoc-get 'harmonic-properties details '()))
-	 (harmonic-angularity (assoc-get 'angularity harmonic-props 2))
-	 (harmonic-half-thick (assoc-get 'half-thickness harmonic-props 0.075))
-	 (harmonic-padding (assoc-get 'padding harmonic-props 0))
-	 (harmonic-proc (assoc-get 'procedure harmonic-props parenthesize-stencil))
-	 (harmonic-width (assoc-get 'width harmonic-props 0.25))
-	 (cautionary-props (assoc-get 'cautionary-properties details '()))
-	 (cautionary-angularity (assoc-get 'angularity cautionary-props 2))
-	 (cautionary-half-thick (assoc-get 'half-thickness cautionary-props 0.075))
-	 (cautionary-padding (assoc-get 'padding cautionary-props 0))
-	 (cautionary-proc (assoc-get 'procedure cautionary-props parenthesize-stencil))
-	 (cautionary-width (assoc-get 'width cautionary-props 0.25))
+         (details (ly:grob-property grob 'details '()))
+         (harmonic-props (assoc-get 'harmonic-properties details '()))
+         (harmonic-angularity (assoc-get 'angularity harmonic-props 2))
+         (harmonic-half-thick (assoc-get 'half-thickness harmonic-props 0.075))
+         (harmonic-padding (assoc-get 'padding harmonic-props 0))
+         (harmonic-proc (assoc-get 'procedure harmonic-props parenthesize-stencil))
+         (harmonic-width (assoc-get 'width harmonic-props 0.25))
+         (cautionary-props (assoc-get 'cautionary-properties details '()))
+         (cautionary-angularity (assoc-get 'angularity cautionary-props 2))
+         (cautionary-half-thick (assoc-get 'half-thickness cautionary-props 0.075))
+         (cautionary-padding (assoc-get 'padding cautionary-props 0))
+         (cautionary-proc (assoc-get 'procedure cautionary-props parenthesize-stencil))
+         (cautionary-width (assoc-get 'width cautionary-props 0.25))
          (output-grob (ly:text-interface::print grob))
-	 (ref-grob (grob-interpret-markup grob "8"))
-	 (offset-factor (assoc-get 'head-offset details 3/5))
-	 (column-offset (* offset-factor
-			   (interval-length
-			     (ly:stencil-extent
-			       (grob-interpret-markup grob "8")
-			       X)))))
+         (ref-grob (grob-interpret-markup grob "8"))
+         (offset-factor (assoc-get 'head-offset details 3/5))
+         (column-offset (* offset-factor
+                           (interval-length
+                            (ly:stencil-extent
+                             (grob-interpret-markup grob "8")
+                             X)))))
 
     (if (is-harmonic? grob)
         (set! output-grob (harmonic-proc output-grob
-				         harmonic-half-thick
-				         harmonic-width
-				         harmonic-angularity
-				         harmonic-padding)))
+                                         harmonic-half-thick
+                                         harmonic-width
+                                         harmonic-angularity
+                                         harmonic-padding)))
     (if cautionary
         (set! output-grob (cautionary-proc output-grob
-					   cautionary-half-thick
-					   cautionary-width
-					   cautionary-angularity
-					   cautionary-padding)))
+                                           cautionary-half-thick
+                                           cautionary-width
+                                           cautionary-angularity
+                                           cautionary-padding)))
     (ly:stencil-translate-axis (centered-stencil output-grob)
-			       column-offset
-			       X)))
+                               column-offset
+                               X)))
 
 ;; Harmonic definitions
 
@@ -290,13 +290,13 @@
   ;; According to the arithmetic sum, the position of m/n is at 1/2*(n-2)(n-1)+(m-1)
   ;; if we start counting from zero
   (vector 12
-           7   19
-           5   12    24
-           4    9    16   28
-           3    7    12   19    31
-           2.7  5.8  9.7  14.7  21.7  33.7
-           2.3  5    8    12    17    24    36
-           2    4.4  7    10    14    19    26  38 ))
+          7   19
+          5   12    24
+          4    9    16   28
+          3    7    12   19    31
+          2.7  5.8  9.7  14.7  21.7  33.7
+          2.3  5    8    12    17    24    36
+          2    4.4  7    10    14    19    26  38 ))
 
 (define partial-pitch
   (vector '(0 0 0)
@@ -332,25 +332,25 @@
                       (- den 1)
                       1/2)
                    nom -1)))
-     (number->string (vector-ref node-positions index))))
+    (number->string (vector-ref node-positions index))))
 
 (define-public (ratio->pitch ratio)
   "Calculate a pitch given @var{ratio} for the harmonic."
   (let* ((partial (1- (denominator ratio)))
          (pitch (vector-ref partial-pitch partial)))
 
-  (ly:make-pitch (first pitch)
-                 (second pitch)
-                 (third pitch))))
+    (ly:make-pitch (first pitch)
+                   (second pitch)
+                   (third pitch))))
 
 (define-public (fret->pitch fret)
   "Calculate a pitch given @var{fret} for the harmonic."
   (let* ((partial (assoc-get fret fret-partials 0))
          (pitch (vector-ref partial-pitch partial)))
 
-  (ly:make-pitch (first pitch)
-                 (second pitch)
-                 (third pitch))))
+    (ly:make-pitch (first pitch)
+                   (second pitch)
+                   (third pitch))))
 
 (define-public (calc-harmonic-pitch pitch music)
   "Calculate the harmonic pitches in @var{music} given
@@ -359,29 +359,29 @@
         (e (ly:music-property music 'element))
         (p (ly:music-property music 'pitch)))
     (cond
-      ((pair? es)
-       (ly:music-set-property! music 'elements
-                               (map (lambda (x) (calc-harmonic-pitch pitch x)) es)))
-      ((ly:music? e)
-       (ly:music-set-property! music 'element (calc-harmonic-pitch pitch e)))
-      ((ly:pitch? p)
-       (begin
-         (set! p (ly:pitch-transpose p pitch))
-         (ly:music-set-property! music 'pitch p))))
+     ((pair? es)
+      (ly:music-set-property! music 'elements
+                              (map (lambda (x) (calc-harmonic-pitch pitch x)) es)))
+     ((ly:music? e)
+      (ly:music-set-property! music 'element (calc-harmonic-pitch pitch e)))
+     ((ly:pitch? p)
+      (begin
+        (set! p (ly:pitch-transpose p pitch))
+        (ly:music-set-property! music 'pitch p))))
     music))
 
 (define-public (make-harmonic mus)
   "Convert music variable @var{mus} to harmonics."
   (let ((elts (ly:music-property mus 'elements))
         (elt (ly:music-property mus 'element)))
-       (cond
-        ((pair? elts)
-         (map make-harmonic elts))
-        ((ly:music? elt)
-         (make-harmonic elt))
-        ((music-is-of-type? mus 'note-event)
-         (set! (ly:music-property mus 'articulations)
-               (append
-                 (ly:music-property mus 'articulations)
-                 (list (make-music 'HarmonicEvent))))))
-       mus))
+    (cond
+     ((pair? elts)
+      (map make-harmonic elts))
+     ((ly:music? elt)
+      (make-harmonic elt))
+     ((music-is-of-type? mus 'note-event)
+      (set! (ly:music-property mus 'articulations)
+            (append
+             (ly:music-property mus 'articulations)
+             (list (make-music 'HarmonicEvent))))))
+    mus))
diff --git a/scm/text.scm b/scm/text.scm
index ee399f94ba..1454105912 100644
--- a/scm/text.scm
+++ b/scm/text.scm
@@ -25,5 +25,5 @@
 (define-public (internal-add-text-replacements props alist)
   (let* ((dummy-replacements (chain-assoc-get 'replacement-alist props '()))
          (new-replacements
-           (append dummy-replacements alist)))
+          (append dummy-replacements alist)))
     (prepend-alist-chain 'replacement-alist new-replacements props)))
diff --git a/scm/time-signature-settings.scm b/scm/time-signature-settings.scm
index d9e62fe1b8..e171149ec4 100644
--- a/scm/time-signature-settings.scm
+++ b/scm/time-signature-settings.scm
@@ -71,7 +71,7 @@
     ;; in 2/2 time:
     ;;   use defaults, but end beams with 32nd notes each 1 4 beat
     ((2 . 2) .
-             ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8))))))))
+     ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8))))))))
 
     ;; in 2/4, 2/8 and 2/16 time:
     ;;   use defaults, so no entries are necessary
@@ -80,7 +80,7 @@
     ;;   use defaults, but end beams with 32nd notes and higher each 1 4 beat
 
     ((3 . 2) .
-             ((beamExceptions . ((end .  (((1 . 32) . (8 8 8 8 8 8))))))))
+     ((beamExceptions . ((end .  (((1 . 32) . (8 8 8 8 8 8))))))))
 
     ;; in 3 4 time:
     ;;   use defaults, but combine all beats into a unit if possible
@@ -89,8 +89,8 @@
     ;;   in order to avoid beaming every beam type for the entire measure, we set
     ;;   triplets back to every beat.
     ((3 . 4) .
-             ((beamExceptions . ((end . (((1 . 8) . (6))            ;1/8 note whole measure
-                                         ((1 . 12) . (3 3 3)))))))) ;Anything shorter by beat
+     ((beamExceptions . ((end . (((1 . 8) . (6))            ;1/8 note whole measure
+                                 ((1 . 12) . (3 3 3)))))))) ;Anything shorter by beat
 
     ;; in 3 8  time:
     ;;   beam entire measure together
@@ -102,7 +102,7 @@
     ;; in 4 2 time:
     ;;   use defaults, but end beams with 16th notes or finer each 1 4 beat
     ((4 . 2) .
-             ((beamExceptions . ((end . (((1 . 16) . (4 4 4 4 4 4 4 4))))))))
+     ((beamExceptions . ((end . (((1 . 16) . (4 4 4 4 4 4 4 4))))))))
 
     ;; in 4 4 (common) time:
     ;;   use defaults, but combine beats 1,2 and 3,4 if only 8th notes
@@ -110,8 +110,8 @@
     ;;         ly/engraver-init.ly where the default time signature is set
     ;;         are set
     ((4 . 4) .
-             ((beamExceptions . ((end . (((1 . 8) . (4 4))  ; 1/8 notes half measure
-                                         ((1 . 12) . (3 3 3 3)))))))) ;Anything shorter by beat
+     ((beamExceptions . ((end . (((1 . 8) . (4 4))  ; 1/8 notes half measure
+                                 ((1 . 12) . (3 3 3 3)))))))) ;Anything shorter by beat
 
     ;; in 4/8 time:
     ;;   combine beats 1 and 2, so beam in 2
@@ -123,7 +123,7 @@
     ;; in 6 4 time:
     ;;   use defaults, but end beams with 32nd or finer each 1/4 beat
     ((6 . 4) .
-             ((beamExceptions . ((end .  (((1 . 16) . (4 4 4 4 4 4))))))))
+     ((beamExceptions . ((end .  (((1 . 16) . (4 4 4 4 4 4))))))))
 
     ;; in 6 8 time:
     ;;   use defaults, so no entries necessary
@@ -134,7 +134,7 @@
     ;; in 9 4 time:
     ;;   use defaults, but end beams with 32nd or finer each 1 4 beat
     ((9 . 4) .
-             ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8 8 8 8 8))))))))
+     ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8 8 8 8 8))))))))
 
     ;; in 9 8 time
     ;;   use defaults, so no entries necessary
@@ -145,7 +145,7 @@
     ;; in 12 4 time:
     ;;   use defaults, but end beams with 32nd or finer notes each 1 4 beat
     ((12 . 4) .
-              ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8 8 8 8 8 8 8 8 8))))))))
+     ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8 8 8 8 8 8 8 8 8))))))))
 
     ;; in 12 8 time:
     ;;   use defaults, so no entries necessary
@@ -156,12 +156,12 @@
     ;; in 5 8 time:
     ;;   default: group (3 2)
     ((5 . 8) .
-             ((beatStructure . (3 2))))
+     ((beatStructure . (3 2))))
 
     ;; in 8 8 time:
     ;;   default: group (3 3 2)
     ((8 . 8) .
-             ((beatStructure . (3 3 2))))
+     ((beatStructure . (3 3 2))))
 
     ))  ; end of alist definition
 
@@ -173,28 +173,28 @@
   "Get setting @code{my-symbol} for @code{time-signature} from
 @code{time-signature-settings}."
   (let ((my-time-signature-settings
-          (assoc-get time-signature time-signature-settings '())))
-   (assoc-get my-symbol my-time-signature-settings '())))
+         (assoc-get time-signature time-signature-settings '())))
+    (assoc-get my-symbol my-time-signature-settings '())))
 
 (define-public (make-setting base-fraction
                              beat-structure
                              beam-exceptions)
   (list
-    (cons 'baseMoment (if (pair? base-fraction)
-                          (/ (car base-fraction) (cdr base-fraction))
-                          base-fraction))
-    (cons 'beatStructure beat-structure)
-    (cons 'beamExceptions beam-exceptions)))
+   (cons 'baseMoment (if (pair? base-fraction)
+                         (/ (car base-fraction) (cdr base-fraction))
+                         base-fraction))
+   (cons 'beatStructure beat-structure)
+   (cons 'beamExceptions beam-exceptions)))
 
 (define-public (base-length time-signature time-signature-settings)
   "Get @code{baseMoment} rational value for @var{time-signature} from
 @var{time-signature-settings}."
-   (let ((return-value (get-setting 'baseMoment
-                                    time-signature
-                                    time-signature-settings)))
-     (if (null? return-value)
-         (/ (cdr time-signature))
-         return-value)))
+  (let ((return-value (get-setting 'baseMoment
+                                   time-signature
+                                   time-signature-settings)))
+    (if (null? return-value)
+        (/ (cdr time-signature))
+        return-value)))
 
 (define-public (beat-structure base-length time-signature time-signature-settings)
   "Get @code{beatStructure} value in @var{base-length} units
@@ -223,7 +223,7 @@ for @var{time-signature} from @var{time-signature-settings}."
 (define-public (beam-exceptions time-signature time-signature-settings)
   "Get @code{beamExceptions} value for @var{time-signature} from
 @var{time-signature-settings}."
-   (get-setting 'beamExceptions time-signature time-signature-settings))
+  (get-setting 'beamExceptions time-signature time-signature-settings))
 
 
 ;;; Functions for overriding time-signature settings
@@ -233,10 +233,10 @@ for @var{time-signature} from @var{time-signature-settings}."
   "Like the C++ code that executes \\override, but without type
 checking."
   (begin
-     (ly:context-set-property!
-       context
-       property
-       (cons (cons setting value) (ly:context-property context property)))))
+    (ly:context-set-property!
+     context
+     property
+     (cons (cons setting value) (ly:context-property context property)))))
 
 (define (revert-property-setting context property setting)
   "Like the C++ code that executes \revert, but without type
@@ -246,50 +246,50 @@ checking."
     "Count the number of entries in alist with a key of
 ENTRY-KEY."
     (cond
-      ((null? alist) 0)
-      ((equal? (caar alist) entry-key)
-         (+ 1 (entry-count (cdr alist) entry-key)))
-      (else (entry-count (cdr alist) entry-key))))
+     ((null? alist) 0)
+     ((equal? (caar alist) entry-key)
+      (+ 1 (entry-count (cdr alist) entry-key)))
+     (else (entry-count (cdr alist) entry-key))))
 
   (define (revert-member alist entry-key)
     "Return ALIST, with the first entry having a key of
 ENTRY-KEY removed.  ALIST is not modified, instead
 a fresh copy of the list-head is made."
     (cond
-      ((null? alist) '())
-      ((equal? (caar alist) entry-key) (cdr alist))
-      (else (cons (car alist)
-                  (revert-member (cdr alist) entry-key)))))
+     ((null? alist) '())
+     ((equal? (caar alist) entry-key) (cdr alist))
+     (else (cons (car alist)
+                 (revert-member (cdr alist) entry-key)))))
 
   ;; body of revert-property-setting
   (let ((current-value (ly:context-property context property)))
     (if (> (entry-count current-value setting) 0)
         (ly:context-set-property!
-          context
-          property
-          (revert-member current-value setting)))))
+         context
+         property
+         (revert-member current-value setting)))))
 
 (define-public (override-time-signature-setting time-signature setting)
   "Override the time signature settings for the context in
 @var{time-signature}, with the new setting alist @var{setting}."
-    (context-spec-music
-      (make-apply-context
-        (lambda (c) (override-property-setting
-                      c
-                      'timeSignatureSettings
-                      time-signature
-                      setting)))
-      'Timing))
+  (context-spec-music
+   (make-apply-context
+    (lambda (c) (override-property-setting
+                 c
+                 'timeSignatureSettings
+                 time-signature
+                 setting)))
+   'Timing))
 
 (define-public (revert-time-signature-setting time-signature)
   (context-spec-music
-    (make-apply-context
-      (lambda (c)
-        (revert-property-setting
-          c
-          'timeSignatureSettings
-          time-signature)))
-    'Timing))
+   (make-apply-context
+    (lambda (c)
+      (revert-property-setting
+       c
+       'timeSignatureSettings
+       time-signature)))
+   'Timing))
 
 
 
@@ -312,24 +312,24 @@ a fresh copy of the list-head is made."
          (den (car revargs))
          (nums (reverse (cdr revargs))))
     (make-override-markup '(baseline-skip . 0)
-      (make-number-markup
-        (make-left-column-markup (list
-          (make-center-column-markup (list
-            (make-line-markup (insert-markups nums "+"))
-            den))))))))
+                          (make-number-markup
+                           (make-left-column-markup (list
+                                                     (make-center-column-markup (list
+                                                                                 (make-line-markup (insert-markups nums "+"))
+                                                                                 den))))))))
 
 (define (format-complex-compound-time time-sig)
   (make-override-markup '(baseline-skip . 0)
-    (make-number-markup
-      (make-line-markup
-        (insert-markups (map format-time-fraction time-sig)
-                        (make-vcenter-markup "+"))))))
+                        (make-number-markup
+                         (make-line-markup
+                          (insert-markups (map format-time-fraction time-sig)
+                                          (make-vcenter-markup "+"))))))
 
 (define-public (format-compound-time time-sig)
   (cond
-    ((not (pair? time-sig)) (null-markup))
-    ((pair? (car time-sig)) (format-complex-compound-time time-sig))
-    (else (format-time-fraction time-sig))))
+   ((not (pair? time-sig)) (null-markup))
+   ((pair? (car time-sig)) (format-complex-compound-time time-sig))
+   (else (format-time-fraction time-sig))))
 
 
 ;;;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -350,9 +350,9 @@ a fresh copy of the list-head is made."
 
 (define-public (calculate-compound-measure-length time-sig)
   (cond
-    ((not (pair? time-sig)) (ly:make-moment 4 4))
-    ((pair? (car time-sig)) (calculate-complex-compound-time time-sig))
-    (else (calculate-time-fraction time-sig))))
+   ((not (pair? time-sig)) (ly:make-moment 4 4))
+   ((pair? (car time-sig)) (calculate-complex-compound-time time-sig))
+   (else (calculate-time-fraction time-sig))))
 
 
 ;;;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -363,10 +363,10 @@ a fresh copy of the list-head is made."
 
 (define-public (calculate-compound-base-beat time-sig)
   (ly:make-moment 1
-    (cond
-      ((not (pair? time-sig)) 4)
-      ((pair? (car time-sig)) (calculate-compound-base-beat-full time-sig))
-      (else (calculate-compound-base-beat-full (list time-sig))))))
+                  (cond
+                   ((not (pair? time-sig)) 4)
+                   ((pair? (car time-sig)) (calculate-compound-base-beat-full time-sig))
+                   (else (calculate-compound-base-beat-full (list time-sig))))))
 
 
 ;;;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -386,6 +386,6 @@ a fresh copy of the list-head is made."
 
 (define-public (calculate-compound-beat-grouping time-sig)
   (cond
-    ((not (pair? time-sig)) '(2 . 2))
-    ((pair? (car time-sig)) (beat-grouping-internal time-sig))
-    (else (beat-grouping-internal (list time-sig)))))
+   ((not (pair? time-sig)) '(2 . 2))
+   ((pair? (car time-sig)) (beat-grouping-internal time-sig))
+   (else (beat-grouping-internal (list time-sig)))))
diff --git a/scm/titling.scm b/scm/titling.scm
index 7118fb1a06..b5f8b1bb8a 100644
--- a/scm/titling.scm
+++ b/scm/titling.scm
@@ -18,8 +18,8 @@
 
 (define-public (layout-extract-page-properties layout)
   (list (append `((line-width . ,(ly:paper-get-number
-				 layout 'line-width)))
-		(ly:output-def-lookup layout 'text-font-defaults))))
+                                  layout 'line-width)))
+                (ly:output-def-lookup layout 'text-font-defaults))))
 
 ;;;;;;;;;;;;;;;;;;
 
@@ -29,46 +29,46 @@
 and interpret them as markup.  The @var{props} argument will include
 variables set in @var{scopes} and @code{page:is-bookpart-last-page},
 @code{page:is-last-bookpart}, @code{page:page-number-string}, and
-@code{page:page-number}." 
+@code{page:page-number}."
 
   (define (get sym)
     (ly:output-def-lookup layout sym))
 
   (define (interpret-in-page-env potential-markup)
     (if (markup? potential-markup)
-	(let* ((alists (map ly:module->alist scopes))
-	       (prefixed-alists
-		(map (lambda (alist)
-		       (map (lambda (entry)
-			      (cons
-			       (string->symbol
-				(string-append
-				 "header:"
-				 (symbol->string (car entry))))
-			       (cdr entry)))
-			    alist))
-		     alists))
-	       (pgnum-alist
-		(list
-		 (cons 'header:tagline
-		       (ly:modules-lookup scopes 'tagline
-					  (ly:output-def-lookup layout 'tagline)))
-		 (cons 'page:is-last-bookpart is-last-bookpart)
-		 (cons 'page:is-bookpart-last-page is-bookpart-last-page)
-		 (cons 'page:page-number-string
-		       (number->string page-number))
-		 (cons 'page:page-number page-number)))
-	       (props (append
-		       (list pgnum-alist)
-		       prefixed-alists
-		       (layout-extract-page-properties layout))))
-	  (interpret-markup layout props potential-markup))
+        (let* ((alists (map ly:module->alist scopes))
+               (prefixed-alists
+                (map (lambda (alist)
+                       (map (lambda (entry)
+                              (cons
+                               (string->symbol
+                                (string-append
+                                 "header:"
+                                 (symbol->string (car entry))))
+                               (cdr entry)))
+                            alist))
+                     alists))
+               (pgnum-alist
+                (list
+                 (cons 'header:tagline
+                       (ly:modules-lookup scopes 'tagline
+                                          (ly:output-def-lookup layout 'tagline)))
+                 (cons 'page:is-last-bookpart is-last-bookpart)
+                 (cons 'page:is-bookpart-last-page is-bookpart-last-page)
+                 (cons 'page:page-number-string
+                       (number->string page-number))
+                 (cons 'page:page-number page-number)))
+               (props (append
+                       (list pgnum-alist)
+                       prefixed-alists
+                       (layout-extract-page-properties layout))))
+          (interpret-markup layout props potential-markup))
 
-	empty-stencil))
+        empty-stencil))
 
   (interpret-in-page-env
    (if (and (even? page-number)
-	    (markup? (get what-even)))
+            (markup? (get what-even)))
        (get what-even)
        (get what-odd))))
 
@@ -76,28 +76,28 @@ variables set in @var{scopes} and @code{page:is-bookpart-last-page},
   "Read variables @var{what} from @var{scopes}, and interpret it as markup.
 The @var{props} argument will include variables set in @var{scopes} (prefixed
 with `header:'."
-  
+
   (define (get sym)
     (let ((x (ly:modules-lookup scopes sym)))
       (if (markup? x) x #f)))
 
   (let* ((alists (map ly:module->alist scopes))
-	 (prefixed-alist
-	  (map (lambda (alist)
-		 (map (lambda (entry)
-			(cons
-			 (string->symbol
-			  (string-append
-			   "header:"
-			   (symbol->string (car entry))))
-			 (cdr entry)))
-		      alist))
-	       alists))
-	 (props (append prefixed-alist
-			(layout-extract-page-properties layout)))
+         (prefixed-alist
+          (map (lambda (alist)
+                 (map (lambda (entry)
+                        (cons
+                         (string->symbol
+                          (string-append
+                           "header:"
+                           (symbol->string (car entry))))
+                         (cdr entry)))
+                      alist))
+               alists))
+         (props (append prefixed-alist
+                        (layout-extract-page-properties layout)))
 
-	 (markup (ly:output-def-lookup layout what)))
+         (markup (ly:output-def-lookup layout what)))
 
     (if (markup? markup)
-	(interpret-markup layout props markup)
+        (interpret-markup layout props markup)
         empty-stencil)))
diff --git a/scm/to-xml.scm b/scm/to-xml.scm
index ea7ce7a0fc..02f918eda9 100644
--- a/scm/to-xml.scm
+++ b/scm/to-xml.scm
@@ -19,9 +19,9 @@
 (define-module (scm to-xml))
 
 (use-modules (ice-9 regex)
-	     (srfi srfi-1)
-	     (lily)
-	     (oop goops))
+             (srfi srfi-1)
+             (lily)
+             (oop goops))
 
 "
 Todo: this is a quick hack; it makes more sense to define a GOOPS
@@ -47,11 +47,11 @@ is then separated.
   (name #:init-value "" #:accessor node-name #:init-keyword #:name)
   (value #:init-value "" #:accessor node-value #:init-keyword #:value)
   (attributes #:init-value '()
-	      #:accessor node-attributes
-	      #:init-keyword #:attributes)
+              #:accessor node-attributes
+              #:init-keyword #:attributes)
   (children #:init-value '()
-	    #:accessor node-children
-	    #:init-keyword #:children))
+            #:accessor node-children
+            #:init-keyword #:children))
 
 (define node-names
   '((NoteEvent . note)
@@ -68,10 +68,10 @@ is then separated.
     (string-append
      (if xml-name (open-tag xml-name '() '()) "")
      (if (equal? (node-value node) "")
-	 (string-append
-	  (if xml-name "\n" "")
-	  (apply string-append (map musicxml-node->string (node-children node))))
-	 (node-value node))
+         (string-append
+          (if xml-name "\n" "")
+          (apply string-append (map musicxml-node->string (node-children node))))
+         (node-value node))
      (if xml-name (close-tag xml-name) "")
      (if xml-name "\n" ""))))
 
@@ -81,7 +81,7 @@ is then separated.
    (open-tag (node-name node) (node-attributes node) '())
    (if (equal? (node-value node) "")
        (string-append
-	(apply string-append (map xml-node->string (node-children node))))
+        (apply string-append (map xml-node->string (node-children node))))
        (node-value node))
    "\n"
    (close-tag (node-name node))))
@@ -96,26 +96,26 @@ is then separated.
     #:name 'duration
     ;; #:value (number->string (ash 1 (ly:duration-log d)))))
     #:attributes `((log . ,(ly:duration-log d))
-		   (dots . ,(ly:duration-dot-count d))
-		   (numer . ,(car (ly:duration-factor d)))
-		   (denom . ,(cdr (ly:duration-factor d))))))
+                   (dots . ,(ly:duration-dot-count d))
+                   (numer . ,(car (ly:duration-factor d)))
+                   (denom . ,(cdr (ly:duration-factor d))))))
 
 (define (pitch->xml-node p)
   (make <xml-node>
     #:name 'pitch
     #:attributes `((octave . ,(ly:pitch-octave p))
-		   (notename . ,(ly:pitch-notename p))
-		   (alteration . ,(ly:pitch-alteration p)))))
+                   (notename . ,(ly:pitch-notename p))
+                   (alteration . ,(ly:pitch-alteration p)))))
 
 (define (music->xml-node music)
   (let* ((name (ly:music-property music 'name))
-	 (e (ly:music-property music 'element))
-	 (es (ly:music-property music 'elements))
-	 (mprops (ly:music-mutable-properties music))
-	 (d (ly:music-property music 'duration))
-	 (p (ly:music-property music 'pitch))
-	 (ignore-props '(origin elements duration pitch element)))
-    
+         (e (ly:music-property music 'element))
+         (es (ly:music-property music 'elements))
+         (mprops (ly:music-mutable-properties music))
+         (d (ly:music-property music 'duration))
+         (p (ly:music-property music 'pitch))
+         (ignore-props '(origin elements duration pitch element)))
+
     (make <xml-node>
       #:name name
       #:children
@@ -197,7 +197,7 @@ is then separated.
   (if (null? alist)
       string
       (re-sub (caar alist) (cdar alist)
-	      (re-sub-alist string (cdr alist)))))
+              (re-sub-alist string (cdr alist)))))
 
 (define xml-entities-alist
   '(("\"" . "&quot;")
@@ -209,17 +209,17 @@ is then separated.
 (define (open-tag tag attrs exceptions)
   (define (candidate? x)
     (not (memq (car x) exceptions)))
-  
+
   (define (dump-attr sym-val)
     (let* ((sym (car sym-val))
-	   (val (cdr sym-val)))
-      
+           (val (cdr sym-val)))
+
       (string-append
        "\n   "
        (symbol->string sym)
        "=\""
        (let ((s (call-with-output-string (lambda (port) (display val port)))))
-	 (re-sub-alist s xml-entities-alist))
+         (re-sub-alist s xml-entities-alist))
        "\"")))
 
   (string-append
@@ -236,7 +236,7 @@ is then separated.
   ;; dtd contains # -- This confuses tex during make doc.
   ;;
   ;;  (display (dtd-header) port)
-  
+
   (display (open-tag 'music '((type . score)) '()) port)
   (display (xml-node->string (music->xml-node music)) port)
   (display (close-tag 'music) port))
@@ -249,7 +249,7 @@ is then separated.
   ;;  (display (dtd-header) port)
 
   (define duration->xml-node musicxml-duration->xml-node)
-  
+
   (display (open-tag 'music '((type . score)) '()) port)
   (display (musicxml-node->string (music->xml-node music)) port)
   (display (close-tag 'music) port))
diff --git a/scm/translation-functions.scm b/scm/translation-functions.scm
index 49d8768eb4..bc988ebd5a 100644
--- a/scm/translation-functions.scm
+++ b/scm/translation-functions.scm
@@ -1,7 +1,7 @@
 ;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
 ;;;; (c) 1998--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
-;;;;		     Jan Nieuwenhuizen <janneke@gnu.org>
+;;;;                 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;;
 ;;;; LilyPond is free software: you can redistribute it and/or modify
 ;;;; it under the terms of the GNU General Public License as published by
@@ -32,7 +32,7 @@ way the transposition number is displayed."
                     (cons "" "")))
          (text (string-concatenate (list (car delim) oct (cdr delim)))))
 
-       (make-vcenter-markup text)))
+    (make-vcenter-markup text)))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -40,55 +40,55 @@ way the transposition number is displayed."
 
 (define-public (format-metronome-markup event context)
   (let ((hide-note (ly:context-property context 'tempoHideNote #f))
-	(text (ly:event-property event 'text))
-	(dur (ly:event-property event 'tempo-unit))
-	(count (ly:event-property event 'metronome-count)))
+        (text (ly:event-property event 'text))
+        (dur (ly:event-property event 'tempo-unit))
+        (count (ly:event-property event 'metronome-count)))
 
     (metronome-markup text dur count hide-note)))
 
 (define-public (metronome-markup text dur count hide-note)
   (let* ((note-mark (if (and (not hide-note) (ly:duration? dur))
-			(make-smaller-markup
-			 (make-note-by-number-markup (ly:duration-log dur)
-						     (ly:duration-dot-count dur)
-						     1))
-			#f))
-	 (count-markup (cond ((number? count)
-			      (if (> count 0)
-				  (make-simple-markup (number->string count))
-				  #f))
-			     ((pair? count)
-			      (make-concat-markup
-			       (list
-				(make-simple-markup (number->string (car count)))
-				(make-simple-markup " ")
-				(make-simple-markup "–")
-				(make-simple-markup " ")
-				(make-simple-markup (number->string (cdr count))))))
-			     (else #f)))
+                        (make-smaller-markup
+                         (make-note-by-number-markup (ly:duration-log dur)
+                                                     (ly:duration-dot-count dur)
+                                                     1))
+                        #f))
+         (count-markup (cond ((number? count)
+                              (if (> count 0)
+                                  (make-simple-markup (number->string count))
+                                  #f))
+                             ((pair? count)
+                              (make-concat-markup
+                               (list
+                                (make-simple-markup (number->string (car count)))
+                                (make-simple-markup " ")
+                                (make-simple-markup "–")
+                                (make-simple-markup " ")
+                                (make-simple-markup (number->string (cdr count))))))
+                             (else #f)))
          (note-markup (if (and (not hide-note) count-markup)
-			  (make-concat-markup
-			   (list
-			    (make-general-align-markup Y DOWN note-mark)
-			    (make-simple-markup " ")
-			    (make-simple-markup "=")
-			    (make-simple-markup " ")
-			    count-markup))
-			  #f))
+                          (make-concat-markup
+                           (list
+                            (make-general-align-markup Y DOWN note-mark)
+                            (make-simple-markup " ")
+                            (make-simple-markup "=")
+                            (make-simple-markup " ")
+                            count-markup))
+                          #f))
          (text-markup (if (not (null? text))
-			  (make-bold-markup text)
-			  #f)))
+                          (make-bold-markup text)
+                          #f)))
     (if text-markup
-	(if (and note-markup (not hide-note))
-	    (make-line-markup (list text-markup
-				    (make-concat-markup
-				     (list (make-simple-markup "(")
-					   note-markup
-					   (make-simple-markup ")")))))
-	    (make-line-markup (list text-markup)))
-	(if note-markup
-	    (make-line-markup (list note-markup))
-	    (make-null-markup)))))
+        (if (and note-markup (not hide-note))
+            (make-line-markup (list text-markup
+                                    (make-concat-markup
+                                     (list (make-simple-markup "(")
+                                           note-markup
+                                           (make-simple-markup ")")))))
+            (make-line-markup (list text-markup)))
+        (if note-markup
+            (make-line-markup (list note-markup))
+            (make-null-markup)))))
 
 (define-public (format-mark-alphabet mark context)
   (make-bold-markup (make-markalphabet-markup (1- mark))))
@@ -107,7 +107,7 @@ way the transposition number is displayed."
 
 (define-public (format-mark-barnumbers mark context)
   (make-bold-markup (number->string (ly:context-property context
-							 'currentBarNumber))))
+                                                         'currentBarNumber))))
 
 (define-public (format-mark-box-letters mark context)
   (make-bold-markup (make-box-markup (make-markletter-markup (1- mark)))))
@@ -123,13 +123,13 @@ way the transposition number is displayed."
 
 (define-public (format-mark-box-barnumbers mark context)
   (make-bold-markup (make-box-markup
-		     (number->string (ly:context-property context
-							  'currentBarNumber)))))
+                     (number->string (ly:context-property context
+                                                          'currentBarNumber)))))
 
 (define-public (format-mark-circle-barnumbers mark context)
   (make-bold-markup (make-circle-markup
-		     (number->string (ly:context-property context
-							  'currentBarNumber)))))
+                     (number->string (ly:context-property context
+                                                          'currentBarNumber)))))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -137,79 +137,79 @@ way the transposition number is displayed."
 
 (define-public (format-bass-figure figure event context)
   (let* ((fig (ly:event-property event 'figure))
-	 (fig-markup (if (number? figure)
-
-			 ;; this is not very elegant, but center-aligning
-			 ;; all digits is problematic with other markups,
-			 ;; and shows problems in the (lack of) overshoot
-			 ;; of feta-alphabet glyphs.
-			 ((if (<= 10 figure)
-			      (lambda (y) (make-translate-scaled-markup
-					   (cons -0.7 0) y))
-			      identity)
-
-			  (cond
-			   ((eq? #t (ly:event-property event 'diminished))
-			    (markup #:slashed-digit figure))
-			   ((eq? #t (ly:event-property event 'augmented-slash))
-			    (markup #:backslashed-digit figure))
-			   (else (markup #:number (number->string figure 10)))))
-			 #f))
-
-	 (alt (ly:event-property event 'alteration))
-	 (alt-markup
-	  (if (number? alt)
-	      (markup
-	       #:general-align Y DOWN #:fontsize
-	       (if (not (= alt DOUBLE-SHARP))
-		   -2 2)
-	       (alteration->text-accidental-markup alt))
-	      #f))
-
-	 (plus-markup (if (eq? #t (ly:event-property event 'augmented))
-			  (markup #:number "+")
-			  #f))
-
-	 (alt-dir (ly:context-property context 'figuredBassAlterationDirection))
-	 (plus-dir (ly:context-property context 'figuredBassPlusDirection)))
+         (fig-markup (if (number? figure)
+
+                         ;; this is not very elegant, but center-aligning
+                         ;; all digits is problematic with other markups,
+                         ;; and shows problems in the (lack of) overshoot
+                         ;; of feta-alphabet glyphs.
+                         ((if (<= 10 figure)
+                              (lambda (y) (make-translate-scaled-markup
+                                           (cons -0.7 0) y))
+                              identity)
+
+                          (cond
+                           ((eq? #t (ly:event-property event 'diminished))
+                            (markup #:slashed-digit figure))
+                           ((eq? #t (ly:event-property event 'augmented-slash))
+                            (markup #:backslashed-digit figure))
+                           (else (markup #:number (number->string figure 10)))))
+                         #f))
+
+         (alt (ly:event-property event 'alteration))
+         (alt-markup
+          (if (number? alt)
+              (markup
+               #:general-align Y DOWN #:fontsize
+               (if (not (= alt DOUBLE-SHARP))
+                   -2 2)
+               (alteration->text-accidental-markup alt))
+              #f))
+
+         (plus-markup (if (eq? #t (ly:event-property event 'augmented))
+                          (markup #:number "+")
+                          #f))
+
+         (alt-dir (ly:context-property context 'figuredBassAlterationDirection))
+         (plus-dir (ly:context-property context 'figuredBassPlusDirection)))
 
     (if (and (not fig-markup) alt-markup)
-	(begin
-	  (set! fig-markup (markup #:left-align #:pad-around 0.3 alt-markup))
-	  (set! alt-markup #f)))
+        (begin
+          (set! fig-markup (markup #:left-align #:pad-around 0.3 alt-markup))
+          (set! alt-markup #f)))
 
 
     ;; hmm, how to get figures centered between note, and
     ;; lone accidentals too?
 
     ;;    (if (markup? fig-markup)
-    ;;	(set!
-    ;;	 fig-markup (markup #:translate (cons 1.0 0)
-    ;;			    #:center-align fig-markup)))
+    ;;  (set!
+    ;;   fig-markup (markup #:translate (cons 1.0 0)
+    ;;                      #:center-align fig-markup)))
 
     (if alt-markup
-	(set! fig-markup
-	      (markup #:put-adjacent
-		      X (if (number? alt-dir)
-			    alt-dir
-			    LEFT)
-		      fig-markup
-		      #:pad-x 0.2 alt-markup)))
+        (set! fig-markup
+              (markup #:put-adjacent
+                      X (if (number? alt-dir)
+                            alt-dir
+                            LEFT)
+                      fig-markup
+                      #:pad-x 0.2 alt-markup)))
 
     (if plus-markup
-	(set! fig-markup
-	      (if fig-markup
-		  (markup #:put-adjacent
-			  X (if (number? plus-dir)
-				plus-dir
-				LEFT)
-			  fig-markup
-			  #:pad-x 0.2 plus-markup)
-		  plus-markup)))
+        (set! fig-markup
+              (if fig-markup
+                  (markup #:put-adjacent
+                          X (if (number? plus-dir)
+                                plus-dir
+                                LEFT)
+                          fig-markup
+                          #:pad-x 0.2 plus-markup)
+                  plus-markup)))
 
     (if (markup? fig-markup)
-	(markup #:fontsize -2 fig-markup)
-	empty-markup)))
+        (markup #:fontsize -2 fig-markup)
+        empty-markup)))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -219,12 +219,12 @@ way the transposition number is displayed."
   "Convert @var{placement-list} into a fretboard @var{grob}."
 
   (let* ((tunings (ly:context-property context 'stringTunings))
-	 (my-string-count (length tunings))
-	 (details (ly:grob-property grob 'fret-diagram-details)))
+         (my-string-count (length tunings))
+         (details (ly:grob-property grob 'fret-diagram-details)))
 
     ;; Add string-count from string-tunings to fret-diagram-details.
     (set! (ly:grob-property grob 'fret-diagram-details)
-            (acons 'string-count my-string-count details))
+          (acons 'string-count my-string-count details))
     ;; Create the dot-placement list for the grob
     (set! (ly:grob-property grob 'dot-placement-list) placement-list)))
 
@@ -251,21 +251,21 @@ be returned."
 dot placement entries."
     (let* ((placements (list->vector
                         (map (lambda (x) (list 'mute  x))
-		             (iota string-count 1)))))
+                             (iota string-count 1)))))
 
       (for-each (lambda (sf)
-		  (let* ((string (car sf))
-			 (fret (cadr sf))
-			 (finger (caddr sf)))
-		    (vector-set!
-                      placements
-		      (1- string)
-		      (if (= 0 fret)
-                          (list 'open string)
-			  (if finger
-			      (list 'place-fret string fret finger)
-			      (list 'place-fret string fret))))))
-		string-frets)
+                  (let* ((string (car sf))
+                         (fret (cadr sf))
+                         (finger (caddr sf)))
+                    (vector-set!
+                     placements
+                     (1- string)
+                     (if (= 0 fret)
+                         (list 'open string)
+                         (if finger
+                             (list 'place-fret string fret finger)
+                             (list 'place-fret string fret))))))
+                string-frets)
       (vector->list placements)))
 
   (define (placement-list->string-frets placement-list)
@@ -289,12 +289,12 @@ if no string-number is present."
       (and (integer? num) (positive? num) num)))
 
   (define (determine-frets-and-strings
-	    notes
-	    defined-strings
-	    defined-fingers
-	    minimum-fret
-	    maximum-stretch
-	    tuning)
+           notes
+           defined-strings
+           defined-fingers
+           minimum-fret
+           maximum-stretch
+           tuning)
     "Determine the frets and strings used to play the notes in
 @var{notes}, given @var{defined-strings} and @var{defined-fingers}
 along with @var{minimum-fret}, @var{maximum-stretch}, and
@@ -302,8 +302,8 @@ along with @var{minimum-fret}, @var{maximum-stretch}, and
 
 
     (define restrain-open-strings (ly:context-property context
-						       'restrainOpenStrings
-					               #f))
+                                                       'restrainOpenStrings
+                                                       #f))
     (define specified-frets '())
     (define free-strings (iota (length tuning) 1))
 
@@ -320,21 +320,21 @@ along with @var{minimum-fret}, @var{maximum-stretch}, and
       "Get the fingering from @var{ev}.  Return @var{#f}
 if no fingering is present."
       (let* ((articulations (ly:event-property ev 'articulations))
-	     (finger-found #f))
-	(map (lambda (art)
-	       (let* ((num (ly:event-property art 'digit)))
+             (finger-found #f))
+        (map (lambda (art)
+               (let* ((num (ly:event-property art 'digit)))
 
-		 (if (and (ly:in-event-class? art 'fingering-event)
-			  (number? num)
-			  (> num 0))
-		   (set! finger-found num))))
-	     articulations)
-	finger-found))
+                 (if (and (ly:in-event-class? art 'fingering-event)
+                          (number? num)
+                          (> num 0))
+                     (set! finger-found num))))
+             articulations)
+        finger-found))
 
     (define (delete-free-string string)
       (if (number? string)
-	(set! free-strings
-	  (delete string free-strings))))
+          (set! free-strings
+                (delete string free-strings))))
 
     (define (close-enough fret)
       "Decide if @var{fret} is acceptable, given the already used frets."
@@ -348,29 +348,29 @@ if no fingering is present."
       "Can @var{pitch} be played on @var{string}, given already placed
 notes?"
       (let* ((fret (calc-fret pitch string tuning)))
-	(and (or (and (not restrain-open-strings)
-		      (zero? fret))
-		 (>= fret minimum-fret))
-	     (integer? fret)
-	     (close-enough fret))))
+        (and (or (and (not restrain-open-strings)
+                      (zero? fret))
+                 (>= fret minimum-fret))
+             (integer? fret)
+             (close-enough fret))))
 
     (define (open-string string pitch)
       "Is @var{pitch} and open-string note on @var{string}, given
 the current tuning?"
       (let* ((fret (calc-fret pitch string tuning)))
-	(zero? fret)))
+        (zero? fret)))
 
     (define (set-fret! pitch-entry string finger)
       (let ((this-fret (calc-fret (car pitch-entry)
-				  string
-				  tuning)))
-	(if (< this-fret 0)
-	  (ly:warning (_ "Negative fret for pitch ~a on string ~a")
-		      (car pitch-entry) string)
-	  (if (not (integer? this-fret))
-	      (ly:warning (_ "Missing fret for pitch ~a on string ~a")
-			  (car pitch-entry) string)))
-	(delete-free-string string)
+                                  string
+                                  tuning)))
+        (if (< this-fret 0)
+            (ly:warning (_ "Negative fret for pitch ~a on string ~a")
+                        (car pitch-entry) string)
+            (if (not (integer? this-fret))
+                (ly:warning (_ "Missing fret for pitch ~a on string ~a")
+                            (car pitch-entry) string)))
+        (delete-free-string string)
         (set! specified-frets (cons this-fret specified-frets))
         (list-set! string-fret-fingers
                    (cdr pitch-entry)
@@ -380,11 +380,11 @@ the current tuning?"
       (list-set! string-fret-fingers note-index (list #f #t)))
 
     (define string-fret-fingers
-             (map (lambda (string finger)
-                    (if (null? finger)
-                        (list string #f)
-                        (list string #f finger)))
-                  defined-strings defined-fingers))
+      (map (lambda (string finger)
+             (if (null? finger)
+                 (list string #f)
+                 (list string #f finger)))
+           defined-strings defined-fingers))
 
     ;;; body of determine-frets-and-strings
     (let* ((pitches (map note-pitch notes))
@@ -392,87 +392,87 @@ the current tuning?"
 
       ;; handle notes with strings assigned and fingering of 0
       (for-each
-        (lambda (pitch-entry string-fret-finger)
-	  (let* ((string (list-ref string-fret-finger 0))
-                 (finger (if (= (length string-fret-finger) 3)
-                             (list-ref string-fret-finger 2)
-                             '()))
-                 (pitch (car pitch-entry))
-                 (digit (if (null? finger)
-	          	    #f
-		            finger)))
-	    (if (or (not (null? string))
-		    (eqv? digit 0))
-	        (if (eqv? digit 0)
-                    ;; here we handle fingers of 0 -- open strings
-	            (let ((fit-string
-		            (find (lambda (string)
-			            (open-string string pitch))
-			          free-strings)))
-		      (if fit-string
-                          (set-fret! pitch-entry fit-string #f)
-		          (ly:warning (_ "No open string for pitch ~a")
-				      pitch)))
-                    ;; here we handle assigned strings
-	            (let ((this-fret
-                            (calc-fret pitch string tuning))
-		          (handle-negative
-		            (ly:context-property context
-					         'handleNegativeFrets
-					         'recalculate)))
-		      (cond ((or (and (>= this-fret 0) (integer? this-fret))
-			         (eq? handle-negative 'include))
-                             (set-fret! pitch-entry string finger))
-		            ((eq? handle-negative 'recalculate)
-			     (begin
-                               (ly:warning
-                                 (_ "Requested string for pitch requires negative fret: string ~a pitch ~a")
-                                 string
-                                 pitch)
-			       (ly:warning (_ "Ignoring string request and recalculating."))
-                               (list-set! string-fret-fingers
-                                          (cdr pitch-entry)
-                                          (if (null? finger)
-                                              (list '() #f)
-                                              (list '() #f finger)))))
-		            ((eq? handle-negative 'ignore)
-			     (begin
-                               (ly:warning
-                                 (_ "Requested string for pitch requires negative fret: string ~a pitch ~a")
-                                 string
-                                 pitch)
-			       (ly:warning (_ "Ignoring note in tablature."))
-                               (kill-note! string-fret-fingers
-                                           (cdr pitch-entry))))))))))
-        pitch-alist string-fret-fingers)
-    ;; handle notes without strings assigned -- sorted by pitch, so
-    ;; we need to use the alist to have the note number available
-    (for-each
-      (lambda (pitch-entry)
-	(let* ((string-fret-finger (list-ref string-fret-fingers
-                                             (cdr pitch-entry)))
-               (string (list-ref string-fret-finger 0))
-               (finger (if (= (length string-fret-finger) 3)
-                           (list-ref string-fret-finger 2)
-                           '()))
-               (pitch (car pitch-entry))
-               (fit-string
-	         (find (lambda (string)
-	        	 (string-qualifies string pitch))
-		       free-strings)))
-          (if (not (list-ref string-fret-finger 1))
-	      (if fit-string
-                  (set-fret! pitch-entry fit-string finger)
-	          (begin
-                    (ly:warning (_ "No string for pitch ~a (given frets ~a)")
-		                pitch
-                                specified-frets)
-                    (kill-note! string-fret-fingers
-                                (cdr pitch-entry)))))))
-      (sort pitch-alist (lambda (pitch-entry-a pitch-entry-b)
-                          (ly:pitch<? (car pitch-entry-b)
-                                      (car pitch-entry-a)))))
-    string-fret-fingers)) ;; end of determine-frets-and-strings
+       (lambda (pitch-entry string-fret-finger)
+         (let* ((string (list-ref string-fret-finger 0))
+                (finger (if (= (length string-fret-finger) 3)
+                            (list-ref string-fret-finger 2)
+                            '()))
+                (pitch (car pitch-entry))
+                (digit (if (null? finger)
+                           #f
+                           finger)))
+           (if (or (not (null? string))
+                   (eqv? digit 0))
+               (if (eqv? digit 0)
+                   ;; here we handle fingers of 0 -- open strings
+                   (let ((fit-string
+                          (find (lambda (string)
+                                  (open-string string pitch))
+                                free-strings)))
+                     (if fit-string
+                         (set-fret! pitch-entry fit-string #f)
+                         (ly:warning (_ "No open string for pitch ~a")
+                                     pitch)))
+                   ;; here we handle assigned strings
+                   (let ((this-fret
+                          (calc-fret pitch string tuning))
+                         (handle-negative
+                          (ly:context-property context
+                                               'handleNegativeFrets
+                                               'recalculate)))
+                     (cond ((or (and (>= this-fret 0) (integer? this-fret))
+                                (eq? handle-negative 'include))
+                            (set-fret! pitch-entry string finger))
+                           ((eq? handle-negative 'recalculate)
+                            (begin
+                              (ly:warning
+                               (_ "Requested string for pitch requires negative fret: string ~a pitch ~a")
+                               string
+                               pitch)
+                              (ly:warning (_ "Ignoring string request and recalculating."))
+                              (list-set! string-fret-fingers
+                                         (cdr pitch-entry)
+                                         (if (null? finger)
+                                             (list '() #f)
+                                             (list '() #f finger)))))
+                           ((eq? handle-negative 'ignore)
+                            (begin
+                              (ly:warning
+                               (_ "Requested string for pitch requires negative fret: string ~a pitch ~a")
+                               string
+                               pitch)
+                              (ly:warning (_ "Ignoring note in tablature."))
+                              (kill-note! string-fret-fingers
+                                          (cdr pitch-entry))))))))))
+       pitch-alist string-fret-fingers)
+      ;; handle notes without strings assigned -- sorted by pitch, so
+      ;; we need to use the alist to have the note number available
+      (for-each
+       (lambda (pitch-entry)
+         (let* ((string-fret-finger (list-ref string-fret-fingers
+                                              (cdr pitch-entry)))
+                (string (list-ref string-fret-finger 0))
+                (finger (if (= (length string-fret-finger) 3)
+                            (list-ref string-fret-finger 2)
+                            '()))
+                (pitch (car pitch-entry))
+                (fit-string
+                 (find (lambda (string)
+                         (string-qualifies string pitch))
+                       free-strings)))
+           (if (not (list-ref string-fret-finger 1))
+               (if fit-string
+                   (set-fret! pitch-entry fit-string finger)
+                   (begin
+                     (ly:warning (_ "No string for pitch ~a (given frets ~a)")
+                                 pitch
+                                 specified-frets)
+                     (kill-note! string-fret-fingers
+                                 (cdr pitch-entry)))))))
+       (sort pitch-alist (lambda (pitch-entry-a pitch-entry-b)
+                           (ly:pitch<? (car pitch-entry-b)
+                                       (car pitch-entry-a)))))
+      string-fret-fingers)) ;; end of determine-frets-and-strings
 
   (define (get-predefined-fretboard predefined-fret-table tuning pitches)
     "Search through @var{predefined-fret-table} looking for a predefined
@@ -482,31 +482,31 @@ chords.  Returns a placement-list."
 
     (define (get-fretboard key)
       (let ((hash-handle
-	     (hash-get-handle predefined-fret-table key)))
-	(if hash-handle
-	    (cdr hash-handle)  ; return table entry
-	    '())))
+             (hash-get-handle predefined-fret-table key)))
+        (if hash-handle
+            (cdr hash-handle)  ; return table entry
+            '())))
 
     ;; body of get-predefined-fretboard
     (let ((test-fretboard (get-fretboard (cons tuning pitches))))
       (if (not (null? test-fretboard))
-	  test-fretboard
-	  (let ((test-fretboard
-		 (get-fretboard
-		  (cons tuning (map (lambda (x) (shift-octave x 1)) pitches)))))
-	    (if (not (null? test-fretboard))
-		test-fretboard
-		(get-fretboard
-		 (cons tuning (map (lambda (x) (shift-octave x -1))
-				   pitches))))))))
+          test-fretboard
+          (let ((test-fretboard
+                 (get-fretboard
+                  (cons tuning (map (lambda (x) (shift-octave x 1)) pitches)))))
+            (if (not (null? test-fretboard))
+                test-fretboard
+                (get-fretboard
+                 (cons tuning (map (lambda (x) (shift-octave x -1))
+                                   pitches))))))))
 
   ;; body of determine-frets
   (let* ((predefined-fret-table
-	  (ly:context-property context 'predefinedDiagramTable))
+          (ly:context-property context 'predefinedDiagramTable))
          (tunings (ly:context-property context 'stringTunings))
          (string-count (length tunings))
          (grob (if (null? rest) '() (car rest)))
-	 (pitches (map (lambda (x) (ly:event-property x 'pitch)) notes))
+         (pitches (map (lambda (x) (ly:event-property x 'pitch)) notes))
          (defined-strings (map (lambda (x)
                                  (if (null? x)
                                      x
@@ -529,26 +529,26 @@ chords.  Returns a placement-list."
                tunings
                pitches)
               '())))
-     (if (null? predefined-fretboard)
-         (let ((string-frets
-                (determine-frets-and-strings
-                 notes
-                 strings-used
-                 defined-fingers
-                 (ly:context-property context 'minimumFret 0)
-                 (ly:context-property context 'maximumFretStretch 4)
-                 tunings)))
-            (if (null? grob)
-                string-frets
-                (create-fretboard
-                 context grob (string-frets->placement-list
-                                (filter (lambda (entry)
-                                          (car entry))
-                                        string-frets)
-                                string-count))))
-         (if (null? grob)
-             (placement-list->string-frets predefined-fretboard)
-             (create-fretboard context grob predefined-fretboard)))))
+    (if (null? predefined-fretboard)
+        (let ((string-frets
+               (determine-frets-and-strings
+                notes
+                strings-used
+                defined-fingers
+                (ly:context-property context 'minimumFret 0)
+                (ly:context-property context 'maximumFretStretch 4)
+                tunings)))
+          (if (null? grob)
+              string-frets
+              (create-fretboard
+               context grob (string-frets->placement-list
+                             (filter (lambda (entry)
+                                       (car entry))
+                                     string-frets)
+                             string-count))))
+        (if (null? grob)
+            (placement-list->string-frets predefined-fretboard)
+            (create-fretboard context grob predefined-fretboard)))))
 
 
 
@@ -561,24 +561,24 @@ chords.  Returns a placement-list."
 ;; The fret letter is taken from 'fretLabels if present
 (define-public (fret-letter-tablature-format
                 context string-number fret-number)
- (let ((labels (ly:context-property context 'fretLabels)))
-  (make-vcenter-markup
-   (cond
-    ((= 0 (length labels))
-     (string (integer->char (+ fret-number (char->integer #\a)))))
-    ((and (<= 0 fret-number) (< fret-number (length labels)))
-     (list-ref labels fret-number))
-    (else
-     (ly:warning (_ "No label for fret ~a (on string ~a);
+  (let ((labels (ly:context-property context 'fretLabels)))
+    (make-vcenter-markup
+     (cond
+      ((= 0 (length labels))
+       (string (integer->char (+ fret-number (char->integer #\a)))))
+      ((and (<= 0 fret-number) (< fret-number (length labels)))
+       (list-ref labels fret-number))
+      (else
+       (ly:warning (_ "No label for fret ~a (on string ~a);
 only ~a fret labels provided")
-                fret-number string-number (length labels))
-     ".")))))
+                   fret-number string-number (length labels))
+       ".")))))
 
 ;; Display the fret number as a number
 (define-public (fret-number-tablature-format
                 context string-number fret-number)
   (make-vcenter-markup
-    (format #f "~a" fret-number)))
+   (format #f "~a" fret-number)))
 
 ;; The 5-string banjo has got a extra string, the fifth (duh), which
 ;; starts at the fifth fret on the neck.  Frets on the fifth string
@@ -588,11 +588,11 @@ only ~a fret labels provided")
 ;; We solve this by defining a new fret-number-tablature function:
 (define-public (fret-number-tablature-format-banjo
                 context string-number fret-number)
- (make-vcenter-markup
-  (number->string (cond
-                   ((and (> fret-number 0) (= string-number 5))
-                    (+ fret-number 5))
-                   (else fret-number)))))
+  (make-vcenter-markup
+   (number->string (cond
+                    ((and (> fret-number 0) (= string-number 5))
+                     (+ fret-number 5))
+                    (else fret-number)))))
 
 ;;  Tab note head staff position functions
 ;;
@@ -601,13 +601,13 @@ only ~a fret labels provided")
 ;;  lines
 
 (define-public (tablature-position-on-lines context string-number)
- (let* ((string-tunings (ly:context-property context 'stringTunings))
-        (string-count (length string-tunings))
-        (string-one-topmost (ly:context-property context 'stringOneTopmost))
-        (staff-line (- (* 2 string-number) string-count 1)))
-  (if string-one-topmost
-      (- staff-line)
-      staff-line)))
+  (let* ((string-tunings (ly:context-property context 'stringTunings))
+         (string-count (length string-tunings))
+         (string-one-topmost (ly:context-property context 'stringOneTopmost))
+         (staff-line (- (* 2 string-number) string-count 1)))
+    (if string-one-topmost
+        (- staff-line)
+        staff-line)))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; bar numbers
@@ -621,7 +621,7 @@ only ~a fret labels provided")
 (define-public ((set-bar-number-visibility n) tr)
   (let ((bn (ly:context-property tr 'currentBarNumber)))
     (ly:context-set-property! tr 'barNumberVisibility
-			      (modulo-bar-number-visible n (modulo bn n)))))
+                              (modulo-bar-number-visible n (modulo bn n)))))
 
 (define-public (first-bar-number-invisible barnum mp)
   (> barnum 1))
@@ -641,14 +641,14 @@ only ~a fret labels provided")
         (cons (+ alt-number (- (expt 26 pow) an)) (1- pow))))
   (define (make-letter so-far an pow)
     (if (< pow 0)
-      so-far
-      (let ((pos (modulo (quotient an (expt 26 pow)) 26)))
-        (make-letter (string-append so-far
-                                    (substring "abcdefghijklmnopqrstuvwxyz"
-                                               pos
-                                               (1+ pos)))
-                   an
-                   (1- pow)))))
+        so-far
+        (let ((pos (modulo (quotient an (expt 26 pow)) 26)))
+          (make-letter (string-append so-far
+                                      (substring "abcdefghijklmnopqrstuvwxyz"
+                                                 pos
+                                                 (1+ pos)))
+                       an
+                       (1- pow)))))
   (let* ((number-and-power (get-number-and-power 0 0))
          (begin-measure (= 0 (ly:moment-main-numerator measure-pos)))
          (maybe-open-parenthesis (if begin-measure "" "("))
@@ -699,10 +699,10 @@ event classes, and @code{acknowledgers} and @code{end-acknowledgers}
 with the subordinate symbols being interfaces."
   (let loop ((forms forms))
     (if (cheap-list? forms)
-	`(list
-	  ,@(map (lambda (form)
-		   (if (pair? (car form))
-		       `(cons ',(caar form) (lambda ,(cdar form) ,@(cdr form)))
-		       `(cons ',(car form) ,(loop (cdr form)))))
-		 forms))
-	forms)))
+        `(list
+          ,@(map (lambda (form)
+                   (if (pair? (car form))
+                       `(cons ',(caar form) (lambda ,(cdar form) ,@(cdr form)))
+                       `(cons ',(car form) ,(loop (cdr form)))))
+                 forms))
+        forms)))
diff --git a/scm/x11-color.scm b/scm/x11-color.scm
index 5be7657292..f3d65b90c2 100644
--- a/scm/x11-color.scm
+++ b/scm/x11-color.scm
@@ -15,7 +15,7 @@
 ;;;; You should have received a copy of the GNU General Public License
 ;;;; along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 
-(define x11-color-list 	    
+(define x11-color-list
   '((snow 1 0.98039215686274506 0.98039215686274506)
     (GhostWhite 0.97254901960784312 0.97254901960784312 1)
     (WhiteSmoke 0.96078431372549022 0.96078431372549022 0.96078431372549022)
@@ -677,32 +677,32 @@
 (define (make-x11-color-handler)
   (let
       ((x11-color-table (make-hash-table 31)))
-    
+
     (lambda (arg)
-      (let* 
-	  ((arg-sym (if (string? arg)
-			(if (string-index arg #\ )
-			    (let
-				((arg-list (string-split (string-capitalize arg) #\ )))
+      (let*
+          ((arg-sym (if (string? arg)
+                        (if (string-index arg #\ )
+                            (let
+                                ((arg-list (string-split (string-capitalize arg) #\ )))
+
+                              (string->symbol
+                               (let append-all ((x arg-list))
+                                 (if (null? x)
+                                     ""
+                                     (string-append (car x) (append-all (cdr x)))))))
+
+                            (string->symbol arg))
+                        arg))
+
+           (temp (hashq-ref x11-color-table arg-sym)))
+
+        (if temp
+            temp
+            (let*
+                ((temp-1 (assq-ref x11-color-list arg-sym))
+                 (temp (if temp-1 temp-1 '(0 0 0))))
 
-			      (string->symbol 
-			       (let append-all ((x arg-list))
-				 (if (null? x)
-				     ""
-				     (string-append (car x) (append-all (cdr x)))))))
-			    
-			    (string->symbol arg))
-			arg))
-	   
-	   (temp (hashq-ref x11-color-table arg-sym)))
-	
-	(if temp
-	    temp
-	    (let*
-		((temp-1 (assq-ref x11-color-list arg-sym))
-		 (temp (if temp-1 temp-1 '(0 0 0))))
-	      
-	      (hashq-create-handle! x11-color-table arg-sym temp)
-	      temp))))))
+              (hashq-create-handle! x11-color-table arg-sym temp)
+              temp))))))
 
 (define-public x11-color (make-x11-color-handler))