X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fdefine-markup-commands.scm;h=f2b46349e8f138b53ccd396f8bf6fc15db7ced31;hb=7f96f595916833f1d3e96b1a6e0d8c617703e534;hp=cdfaf1f9f87d20687d0b0769857c32b5f8c39389;hpb=d6315a746c47259f56dc2835347985658d71d0c9;p=lilypond.git

diff --git a/scm/define-markup-commands.scm b/scm/define-markup-commands.scm
old mode 100644
new mode 100755
index cdfaf1f9f8..f2b46349e8
--- a/scm/define-markup-commands.scm
+++ b/scm/define-markup-commands.scm
@@ -1,6 +1,6 @@
 ;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
-;;;; Copyright (C) 2000--2011  Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;; Copyright (C) 2000--2012  Han-Wen Nienhuys <hanwen@xs4all.nl>
 ;;;;                  Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;;
 ;;;; LilyPond is free software: you can redistribute it and/or modify
@@ -249,7 +249,7 @@ the PDF backend.
 
 @lilypond[verbatim,quote]
 \\markup {
-  \\with-url #\"http://lilypond.org/web/\" {
+  \\with-url #\"http://lilypond.org/\" {
     LilyPond ... \\italic {
       music notation for everyone
     }
@@ -297,7 +297,7 @@ only works in the PDF backend.
 
 @lilypond[verbatim,quote]
 \\markup {
-  \\with-link #\"label\" {
+  \\with-link #'label {
     \\italic { This links to the page containing the label... }
   }
 }
@@ -548,7 +548,6 @@ Create a box of the same height as the space in the current font."
 		     (ly:stencil-extent m X)
 		     )))
 
-;; todo: fix negative space
 (define-markup-command (hspace layout props amount)
   (number?)
   #:category align
@@ -568,11 +567,8 @@ Create an invisible object taking up horizontal space @var{amount}.
 }
 @end lilypond"
   (let ((corrected-space (- amount word-space)))
-    (if (> corrected-space 0)
-	(ly:make-stencil "" (cons 0 corrected-space) '(0 . 0))
-	(ly:make-stencil "" (cons corrected-space corrected-space) '(0 . 0)))))
+    (ly:make-stencil "" (cons 0 corrected-space) '(0 . 0))))
 
-;; todo: fix negative space
 (define-markup-command (vspace layout props amount)
  (number?)
  #:category align
@@ -594,9 +590,7 @@ of @var{amount} multiplied by 3.
 }
 @end lilypond"
   (let ((amount (* amount 3.0)))
-    (if (> amount 0)
-        (ly:make-stencil "" (cons 0 0) (cons 0 amount))
-        (ly:make-stencil "" (cons 0 0) (cons amount amount)))))
+    (ly:make-stencil "" (cons 0 0) (cons 0 amount))))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -937,25 +931,45 @@ the use of @code{\\simple} is unnecessary.
 Like simple-markup, but use tie characters for @q{~} tilde symbols.
 
 @lilypond[verbatim,quote]
-\\markup {
-  \\tied-lyric #\"Lasciate~i monti\"
-}
-@end lilypond"
-  (if (string-contains str "~")
-      (let*
-	  ((half-space (/ word-space 2))
-	   (parts (string-split str #\~))
-	   (tie-str (markup #:hspace half-space
-	                    #:musicglyph "ties.lyric"
-	                    #:hspace half-space))
-	   (joined  (list-join parts tie-str))
-	   (join-stencil (interpret-markup layout props tie-str))
-	   )
+\\markup \\column {
+  \\tied-lyric #\"Siam navi~all'onde~algenti Lasciate~in abbandono\"
+  \\tied-lyric #\"Impetuosi venti I nostri~affetti sono\"
+  \\tied-lyric #\"Ogni diletto~e scoglio Tutta la vita~e~un mar.\"
+}
+@end lilypond"
+  (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)))
+          (make-concat-markup joined))
+        str))
+
+  (define short-tie-regexp (make-regexp "~[^.]~"))
+  (define (match-short str) (regexp-exec short-tie-regexp str))
+
+  (define (replace-short str mkp)
+    (let ((match (match-short str)))
+      (if (not match)
+          (make-concat-markup (list
+            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)))))
 
-	(interpret-markup layout
-			  props
-			  (make-concat-markup joined)))
-      (interpret-markup layout props str)))
+  (interpret-markup layout
+                    props
+                    (replace-short str (markup))))
 
 (define-public empty-markup
   (make-simple-markup ""))
@@ -1863,6 +1877,14 @@ Add padding @var{amount} around @var{arg} in the X@tie{}direction.
 ;; property
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
+(define-markup-command (property-recursive layout props symbol)
+  (symbol?)
+  #:category other
+  "Print out a warning when a header field markup contains some recursive
+markup definition."
+  (ly:warning "Recursive definition of property ~a detected!" symbol)
+  empty-stencil)
+
 (define-markup-command (fromproperty layout props symbol)
   (symbol?)
   #:category other
@@ -1885,11 +1907,12 @@ returns an empty markup.
 @end lilypond"
   (let ((m (chain-assoc-get symbol props)))
     (if (markup? m)
-        (interpret-markup layout props m)
+        ;; prevent infinite loops by clearing the interpreted property:
+        (interpret-markup layout (cons (list (cons symbol `(,property-recursive-markup ,symbol))) props) m)
         empty-stencil)))
 
 (define-markup-command (on-the-fly layout props procedure arg)
-  (symbol? markup?)
+  (procedure? markup?)
   #:category other
   "Apply the @var{procedure} markup command to @var{arg}.
 @var{procedure} should take a single argument."
@@ -1900,6 +1923,29 @@ returns an empty markup.
     (interpret-markup layout props (list anonymous-with-signature arg))))
 
 (define-markup-command (footnote layout props mkup note)
+  (markup? markup?)
+  #:category other
+  "Have footnote @var{note} act as an annotation to the markup @var{mkup}.
+
+@lilypond[verbatim,quote]
+\\markup {
+  \\auto-footnote a b
+  \\override #'(padding . 0.2)
+  \\auto-footnote c d
+}
+@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))
+
+(define-markup-command (auto-footnote layout props mkup note)
   (markup? markup?)
   #:category other
   #:properties ((raise 0.5)
@@ -1908,59 +1954,50 @@ returns an empty markup.
 
 @lilypond[verbatim,quote]
 \\markup {
-  \\footnote a b
+  \\auto-footnote a b
   \\override #'(padding . 0.2)
-  \\footnote c d
+  \\auto-footnote c d
 }
-@end lilypond"
+@end lilypond
+The footnote will be annotated automatically."
   (let* ((markup-stencil (interpret-markup layout props mkup))
-         (auto-numbering (ly:output-def-lookup layout
-                                               'footnote-auto-numbering))
          (footnote-hash (gensym "footnote"))
          (stencil-seed 0)
-         (gauge-stencil (if auto-numbering
-                            (interpret-markup
-                              layout
-                              props
-                              ((ly:output-def-lookup
-                                 layout
-                                 'footnote-numbering-function)
-                                stencil-seed))
-                            empty-stencil))
-         (x-ext (if auto-numbering
-                    (ly:stencil-extent gauge-stencil X)
-                    '(0 . 0)))
-	 (y-ext (if auto-numbering
-                    (ly:stencil-extent gauge-stencil Y)
-                    '(0 . 0)))
+         (gauge-stencil (interpret-markup
+                           layout
+                           props
+                           ((ly:output-def-lookup
+                               layout
+                               'footnote-numbering-function)
+                              stencil-seed)))
+         (x-ext (ly:stencil-extent gauge-stencil X))
+	 (y-ext (ly:stencil-extent gauge-stencil Y))
          (footnote-number
-           (if auto-numbering
-             `(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
+           `(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))))))
-             '()))
+                                                 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
@@ -1970,7 +2007,7 @@ returns an empty markup.
   (ly:stencil-add
     main-stencil
     (ly:make-stencil
-      `(footnote ,footnote-hash ,(interpret-markup layout props note))
+      `(footnote ,footnote-hash #t ,(interpret-markup layout props note))
       '(0 . 0)
       '(0 . 0)))))
 
@@ -2100,16 +2137,18 @@ Adjusts @code{baseline-skip} and @code{word-space} accordingly.
 }
 @end lilypond"
   (let* ((ref-size (ly:output-def-lookup layout 'text-font-size 12))
-	 (text-props (list (ly:output-def-lookup layout 'text-font-defaults)))
-	 (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)))
+         (text-props (list (ly:output-def-lookup layout 'text-font-defaults)))
+         (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)))
 
 (define-markup-command (fontsize layout props increment arg)
   (number? markup?)
@@ -2128,11 +2167,14 @@ accordingly.
   smaller
 }
 @end lilypond"
-  (let ((entries (list
-                  (cons 'baseline-skip (* baseline-skip (magstep increment)))
-                  (cons 'word-space (* word-space (magstep increment)))
-                  (cons 'font-size (+ font-size increment)))))
-    (interpret-markup layout (cons entries props) arg)))
+  (interpret-markup
+   layout
+   (cons
+    `((baseline-skip . ,(* baseline-skip (magstep increment)))
+      (word-space . ,(* word-space (magstep increment)))
+      (font-size . ,(+ font-size increment)))
+    props)
+   arg))
 
 (define-markup-command (magnify layout props sz arg)
   (number? markup?)
@@ -3169,6 +3211,265 @@ a shortened down stem.
   (let ((parsed (parse-simple-duration duration)))
     (note-by-number-markup layout props (car parsed) (cadr parsed) dir)))
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; the rest command.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define-markup-command (rest-by-number layout props log dot-count)
+  (number? number?)
+  #:category music
+  #:properties ((font-size 0)
+                (style '())
+                (multi-measure-rest #f))
+  "
+@cindex rests or multi-measure-rests within text by log and dot-count
+
+A rest or multi-measure-rest symbol.
+
+@lilypond[verbatim,quote]
+\\markup {
+  \\rest-by-number #3 #2
+  \\hspace #2
+  \\rest-by-number #0 #1
+  \\hspace #2
+  \\override #'(multi-measure-rest . #t)
+  \\rest-by-number #0 #0
+}
+@end lilypond"
+
+  (define (get-glyph-name-candidates log style)
+    (let* (;; Choose the style-string to be added.
+           ;; If no glyph exists, select others for the specified styles
+           ;; otherwise defaulting.
+           (style-strg
+             (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)))
+           ;; 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)))
+                "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))
+        ""
+        cands))
+
+  (let* ((font
+           (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)
+                ;; 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
+                ;; (e.g., TextSpanner and TimeSignature) leaking into markup.
+                (get-glyph-name font (get-glyph-name-candidates log 'default))
+                result)))
+         (rest-glyph (ly:font-get-glyph font rest-glyph-name))
+         (dot (ly:font-get-glyph font "dots.dot"))
+         (dot-width (interval-length (ly:stencil-extent dot X)))
+         (dots (and (> dot-count 0)
+                    (apply ly:stencil-add
+                           (map (lambda (x)
+                                  (ly:stencil-translate-axis
+                                   dot (* 2 x dot-width) X))
+                                (iota dot-count))))))
+
+    ;; Apart from mensural-, neomensural- and petrucci-style ledgered
+    ;; glyphs are taken for whole and half rests.
+    ;; If they are dotted, move the dots in X-direction to avoid collision.
+    (if (and dots
+             (< log 2)
+             (>= log 0)
+             (not (member style '(neomensural mensural petrucci))))
+       (set! dots (ly:stencil-translate-axis dots dot-width X)))
+
+    ;; Add dots to the rest-glyph.
+    ;;
+    ;; Not sure how to vertical align dots.
+    ;; For now the dots are centered for half, whole or longer rests.
+    ;; Otherwise placed near the top of the rest.
+    ;;
+    ;; Dots for rests with (< log 0) dots are allowed, but not
+    ;; if multi-measure-rest is set #t.
+    (if (and (not multi-measure-rest) dots)
+        (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)))))
+               rest-glyph)))
+    rest-glyph))
+
+(define-markup-command (rest layout props duration)
+  (string?)
+  #:category music
+  #:properties ((style '())
+                (multi-measure-rest #f)
+                (multi-measure-rest-number #t)
+                (word-space 0.6))
+  "
+@cindex rests or multi-measure-rests within text by string
+
+This produces a rest, with the @var{duration} for the rest type and
+augmentation dots.
+@code{\"breve\"}, @code{\"longa\"} and @code{\"maxima\"} are valid
+input-strings.
+
+Printing MultiMeasureRests could be enabled with
+@code{\\override #'(multi-measure-rest . #t)}
+If MultiMeasureRests are taken, the MultiMeasureRestNumber is printed above.
+This is enabled for all styles using default-glyphs.
+Could be disabled with @code{\\override #'(multi-measure-rest-number . #f)}
+
+@lilypond[verbatim,quote]
+\\markup {
+  \\rest #\"4..\"
+  \\hspace #2
+  \\rest #\"breve\"
+  \\hspace #2
+  \\override #'(multi-measure-rest . #t)
+  {
+  \\rest #\"7\"
+  \\hspace #2
+  \\override #'(multi-measure-rest-number . #f)
+  \\rest #\"7\"
+  }
+}
+@end lilypond"
+  ;; Get the number of mmr-glyphs.
+  ;; 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)))
+
+  ;; Get the correct mmr-glyphs.
+  ;; Store them in a list.
+  ;; example:
+  ;; (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 '()))
+
+  ;; 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
+              (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
+              (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))))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; translating.
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -3637,6 +3938,28 @@ Patterns are aligned to the @var{dir} markup.
                               #:pattern (1+ count) X space pattern
                               right))))
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Replacements
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define-markup-command (replace layout props replacements arg)
+  (list? markup?)
+  #:category font
+  "
+Used to automatically replace a string by another in the markup @var{arg}.
+Each pair of the alist @var{replacements} specifies what should be replaced.
+The @code{key} is the string to be replaced by the @code{value} string.
+
+@lilypond[verbatim, quote]
+\\markup \\replace #'((\"thx\" . \"Thanks!\")) thx
+@end lilypond"
+  (interpret-markup
+   layout
+   (internal-add-text-replacements
+    props
+    replacements)
+   (markup arg)))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Markup list commands
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;