new-props
(markup #:draw-dashed-line dest))))
+(define-markup-command (draw-squiggle-line layout props sq-length dest eq-end?)
+ (number? number-pair? boolean?)
+ #:category graphic
+ #:properties ((thickness 0.5)
+ (angularity 0)
+ (height 0.5)
+ (orientation 1))
+ "
+@cindex drawing squiggled lines within text
+
+A squiggled line.
+
+If @code{eq-end?} is set to @code{#t}, it is ensured the squiggled line ends
+with a bow in same direction as the starting one. @code{sq-length} is the
+length of the first bow. @code{dest} is the end point of the squiggled line.
+To match @code{dest} the squiggled line is scaled accordingly.
+Its appearance may be customized by overrides for @code{thickness},
+@code{angularity}, @code{height} and @code{orientation}.
+@lilypond[verbatim,quote]
+\\markup
+ \\column {
+ \\draw-squiggle-line #0.5 #'(6 . 0) ##t
+ \\override #'(orientation . -1)
+ \\draw-squiggle-line #0.5 #'(6 . 0) ##t
+ \\draw-squiggle-line #0.5 #'(6 . 0) ##f
+ \\override #'(height . 1)
+ \\draw-squiggle-line #0.5 #'(6 . 0) ##t
+ \\override #'(thickness . 5)
+ \\draw-squiggle-line #0.5 #'(6 . 0) ##t
+ \\override #'(angularity . 2)
+ \\draw-squiggle-line #0.5 #'(6 . 0) ##t
+ }
+@end lilypond"
+ (let* ((line-thickness (ly:output-def-lookup layout 'line-thickness))
+ (thick (* thickness line-thickness))
+ (x (car dest))
+ (y (cdr dest))
+ (length-to-print (magnitude (make-rectangular x y)))
+ ;; Make a guess how many bows may be needed
+ (guess (max 1 (truncate (/ length-to-print sq-length))))
+ ;; If `eq-end?' is set #t, make sure squiggle-line starts and ends
+ ;; with a bow in same direction
+ (amount (if (and (even? guess) eq-end?) (1+ guess) guess))
+ ;; The lined-up bows needs to fit `length-to-print'
+ ;; Thus scale the length of first bow accordingly
+ ;; Other bows are copies
+ (guessed-squiggle-line-length (* amount sq-length))
+ (line-length-diff (- length-to-print guessed-squiggle-line-length))
+ (line-length-diff-for-each-squiggle
+ (/ line-length-diff amount))
+ (first-bow-length (+ sq-length line-length-diff-for-each-squiggle))
+ ;; Get first bows
+ ;; TODO two bows are created via `make-bow-stencil'
+ ;; cheaper to use `ly:stencil-scale'?
+ (first-bow-end-coord
+ (cons
+ (/ (* first-bow-length x) length-to-print)
+ (/ (* first-bow-length y) length-to-print)))
+ (init-bow
+ (lambda (o)
+ (make-bow-stencil
+ '(0 . 0)
+ first-bow-end-coord
+ thick angularity height o)))
+ (init-bow-up (init-bow orientation))
+ (init-bow-down (init-bow (- orientation)))
+ ;; Get a list of starting-points for the bows
+ (list-of-starts
+ (map
+ (lambda (n)
+ (cons
+ (* n (car first-bow-end-coord))
+ (* n (cdr first-bow-end-coord))))
+ (iota amount))))
+ ;; The final stencil: lined-up bows
+ (apply ly:stencil-add
+ (map
+ ly:stencil-translate
+ (circular-list init-bow-up init-bow-down)
+ list-of-starts))))
+
(define-markup-command (draw-hline layout props)
()
#:category graphic
(line (make-line-stencil underline-thick x1 y x2 y)))
(ly:stencil-add m line)))
+(define-markup-command (tie layout props arg)
+ (markup?)
+ #:category font
+ #:properties ((thickness 1)
+ (offset 2)
+ (direction UP)
+ (shorten-pair '(0 . 0)))
+ "
+@cindex tie-ing text
+
+Adds a horizontal bow created with @code{make-tie-stencil} at bottom or top
+of @var{arg}. Looks at @code{thickness} to determine line thickness, and
+@code{offset} to determine y-offset. The added bow fits the extent of
+@var{arg}, @code{shorten-pair} may be used to modify this.
+@var{direction} may be set using an @code{override} or direction-modifiers or
+@code{voiceOne}, etc.
+
+@lilypond[verbatim,quote]
+\\markup {
+ \\override #'(direction . 1)
+ \\tie \"above\"
+ \\override #'(direction . -1)
+ \\tie \"below\"
+}
+@end lilypond"
+ (let* ((line-thickness (ly:output-def-lookup layout 'line-thickness))
+ (thick (* thickness line-thickness))
+ (stil (interpret-markup layout props arg))
+ (x1 (car (ly:stencil-extent stil X)))
+ (x2 (cdr (ly:stencil-extent stil X)))
+ (y-ext (ly:stencil-extent stil Y))
+ (y (+ (* line-thickness offset direction)
+ ;; we put out zero for positive text-direction, to make it
+ ;; consistent with `underline-markup'
+ ;; TODO: this will be problematic for args like "Eng"
+ ;; fix it here _and_ in `underline-markup'
+ (if (negative? direction) 0 (cdr y-ext))))
+ (tie
+ (make-tie-stencil
+ (cons (+ x1 (car shorten-pair) line-thickness) y)
+ (cons (- x2 (cdr shorten-pair) line-thickness) y)
+ thick
+ direction)))
+ (ly:stencil-add stil tie)))
+
+(define-markup-command (undertie layout props arg)
+ (markup?)
+ #:category font
+ #:properties (tie-markup)
+ "
+@cindex undertie-ing text
+
+@lilypond[verbatim,quote]
+\\markup \\line {
+ \\undertie \"undertied\"
+ \\override #'(offset . 5)
+ \\override #'(thickness . 1)
+ \\undertie \"undertied\"
+ \\override #'(offset . 1)
+ \\override #'(thickness . 5)
+ \\undertie \"undertied\"
+}
+@end lilypond"
+ (interpret-markup layout (prepend-alist-chain 'direction DOWN props)
+ (make-tie-markup arg)))
+
+(define-markup-command (overtie layout props arg)
+ (markup?)
+ #:category font
+ #:properties (tie-markup)
+ "
+@cindex overtie-ing text
+
+Overtie @var{arg}.
+
+@lilypond[verbatim,quote]
+\\markup \\line {
+ \\overtie \"overtied\"
+ \\override #'(offset . 5)
+ \\override #'(thickness . 1)
+ \\overtie \"overtied\"
+ \\override #'(offset . 1)
+ \\override #'(thickness . 5)
+ \\overtie \"overtied\"
+}
+@end lilypond"
+ (interpret-markup layout (prepend-alist-chain 'direction UP props)
+ (make-tie-markup arg)))
+
(define-markup-command (box layout props arg)
(markup?)
#:category font
(define-markup-command (whiteout layout props arg)
(markup?)
#:category other
- #:properties ((thickness 3))
+ #:properties ((style 'box)
+ (thickness '()))
"
@cindex adding a white background to text
-Provide a white background for @var{arg}.
+Provide a white background for @var{arg}. The shape of the white
+background is determined by @code{style}. The default
+is @code{box} which produces a rectangle. @code{rounded-box}
+produces a rounded rectangle. @code{outline} approximates the
+outline of the markup.
@lilypond[verbatim,quote]
\\markup {
\\combine
- \\filled-box #'(-1 . 10) #'(-3 . 4) #1
- \\override #'(thickness . 1.5) \\whiteout whiteout
+ \\filled-box #'(-1 . 15) #'(-3 . 4) #1
+ \\override #'(thickness . 1.5)
+ \\whiteout whiteout-box
+}
+\\markup {
+ \\combine
+ \\filled-box #'(-1 . 24) #'(-3 . 4) #1
+ \\override #'(style . rounded-box)
+ \\override #'(thickness . 3)
+ \\whiteout whiteout-rounded-box
}
-@end lilypond"
- (stencil-whiteout
- (interpret-markup layout props arg)
- (* thickness
- (ly:output-def-lookup layout 'line-thickness))))
-
-(define-markup-command (whiteout-box layout props arg)
- (markup?)
- #:category other
- #:properties ((thickness 0))
- "
-@cindex adding a rectangular white background to text
-
-Provide a rectangular white background for @var{arg}.
-
-@lilypond[verbatim,quote]
\\markup {
\\combine
- \\filled-box #'(-1 . 10) #'(-3 . 4) #1
- \\override #'(thickness . 1.5) \\whiteout-box whiteout-box
+ \\filled-box #'(-1 . 18) #'(-3 . 4) #1
+ \\override #'(style . outline)
+ \\override #'(thickness . 3)
+ \\whiteout whiteout-outline
}
@end lilypond"
- (stencil-whiteout-box
+ (stencil-whiteout
(interpret-markup layout props arg)
- (* thickness
- (ly:output-def-lookup layout 'line-thickness))))
+ style
+ thickness
+ (ly:output-def-lookup layout 'line-thickness)))
(define-markup-command (pad-markup layout props amount arg)
(number? markup?)
@end lilypond"
(define (concat-string-args arg-list)
(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)))
+ (let ((result (and (pair? result-list)
+ (car result-list))))
+ (cond ((not (pair? arg)))
+ ((eq? (car arg) simple-markup)
+ (set! arg (cadr arg)))
+ ((eq? (car arg) char-markup)
+ (set! arg (ly:wide-char->utf-8 (cadr arg)))))
(if (and (string? result) (string? arg))
(cons (string-append arg result) (cdr result-list))
(cons arg result-list))))
'()
arg-list))
-
- (interpret-markup layout
- (prepend-alist-chain 'word-space 0 props)
- (make-line-markup
- (make-override-lines-markup-list
- (cons 'word-space
- (chain-assoc-get 'word-space props))
- (if (markup-command-list? args)
- args
- (concat-string-args args))))))
+ (stack-stencil-line 0
+ (interpret-markup-list layout props
+ (if (markup-command-list? args)
+ args
+ (concat-string-args args)))))
(define (wordwrap-stencils stencils
justify base-space line-width text-dir)
`(delay-stencil-evaluation ,(delay expr))
x y))))
+(define-markup-command (with-outline layout props outline arg)
+ (markup? markup?)
+ #:category other
+ "
+Print @var{arg} with the outline and dimensions of @var{outline}."
+ (ly:stencil-outline (interpret-markup layout props arg)
+ (interpret-markup layout props outline)))
+
+(define-markup-command (with-dimensions-from layout props arg1 arg2)
+ (markup? markup?)
+ #:category other
+ "
+Print @var{arg2} with the dimensions of @var{arg1}."
+ (let* ((stil1 (interpret-markup layout props arg1))
+ (x (ly:stencil-extent stil1 0))
+ (y (ly:stencil-extent stil1 1)))
+ (interpret-markup layout props (markup #:with-dimensions x y arg2))))
+
(define-markup-command (pad-around layout props amount arg)
(number? markup?)
#:category align
}
}
@end lilypond"
- (let* ((m (interpret-markup layout props arg))
- (x (ly:stencil-extent m X))
- (y (ly:stencil-extent m Y)))
- (ly:make-stencil (list 'transparent-stencil (ly:stencil-expr m)) x y)))
+ (ly:stencil-outline empty-stencil (interpret-markup layout props arg)))
(define-markup-command (pad-to-box layout props x-ext y-ext arg)
(number-pair? number-pair? markup?)
(procedure? markup?)
#:category other
"Apply the @var{procedure} markup command to @var{arg}.
-@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?))
- (interpret-markup layout props (list anonymous-with-signature arg))))
+@var{procedure} takes the same arguments as @code{interpret-markup}
+and returns a stencil."
+ (procedure layout props arg))
(define-markup-command (footnote layout props mkup note)
(markup? markup?)
(define-markup-command (abs-fontsize layout props size arg)
(number? markup?)
+ #:properties ((word-space 0.6) (baseline-skip 3))
#:category font
"Use @var{size} as the absolute font size (in points) to display @var{arg}.
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))
+ `((baseline-skip . ,(* magnification baseline-skip))
+ (word-space . ,(* magnification word-space))
(font-size . ,(magnification->font-size magnification)))
props)
arg)))
#:category music
"@var{glyph-name} is converted to a musical symbol; for example,
@code{\\musicglyph #\"accidentals.natural\"} selects the natural sign from
-the music font. See @ruser{The Feta font} for a complete listing of
+the music font. See @ruser{The Emmentaler font} for a complete listing of
the possible glyphs.
@lilypond[verbatim,quote]
Construct a note symbol, with stem and flag. By using fractional values for
@var{dir}, longer or shorter stems can be obtained.
-Supports all note-head-styles.
+Supports all note-head-styles. Ancient note-head-styles will get
+mensural-style-flags. @code{flag-style} may be overridden independently.
Supported flag-styles are @code{default}, @code{old-straight-flag},
-@code{modern-straight-flag} and @code{flat-flag}.
+@code{modern-straight-flag}, @code{flat-flag}, @code{mensural} and
+@code{neomensural}. The latter two flag-styles will both result in
+mensural-flags. Both are supplied for convenience.
@lilypond[verbatim,quote]
\\markup {
@end lilypond"
(define (get-glyph-name-candidates dir log style)
(map (lambda (dir-name)
- (format #f "noteheads.~a~a" dir-name
+ (format #f "noteheads.~a~a"
+ dir-name
(if (and (symbol? style)
(not (equal? 'default style)))
(select-head-glyph style (min log 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 (if (= angle 0)
- (cons flag-length (* half-stem-thickness dir))
- (polar->rectangular flag-length angle)))
+ (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)))
- (points (list start
- flag-end
- (offset-add flag-end thickness-offset)
- (offset-add start thickness-offset)))
+ (raw-points
+ (list
+ '(0 . 0)
+ flag-end
+ (offset-add flag-end thickness-offset)
+ thickness-offset))
+ (points (map (lambda (coord) (offset-add coord start)) raw-points))
(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))
+ (let* ((font (ly:paper-get-font layout (cons '((font-encoding . fetaMusic)
+ (font-name . #f))
props)))
+ ;; default for text-font-size is 11
+ ;; hence we use (/ text-font-size 11) later, to ensure proper scaling
+ ;; of stem-length and thickness
+ (text-font-size (ly:output-def-lookup layout 'text-font-size 11))
(size-factor (magstep font-size))
(blot (ly:output-def-lookup layout 'blot-diameter))
(head-glyph-name
(sign dir) log 'default))
result)))
(head-glyph (ly:font-get-glyph font head-glyph-name))
- (ancient-flags? (or (eq? style 'mensural) (eq? style 'neomensural)))
+ (ancient-flags?
+ (member style
+ '(mensural neomensural petrucci semipetrucci blackpetrucci)))
(attach-indices (ly:note-head::stem-attachment font head-glyph-name))
(stem-length (* size-factor (max 3 (- log 1))))
;; With ancient-flags we want a tighter stem
- (stem-thickness (* size-factor (if ancient-flags? 0.1 0.13)))
- (stemy (* dir stem-length))
+ (stem-thickness
+ (* size-factor (/ text-font-size 11) (if ancient-flags? 0.1 0.13)))
+ (stemy (* dir (/ text-font-size 11) stem-length))
(attach-off (cons (interval-index
(ly:stencil-extent head-glyph X)
(* (sign dir) (car attach-indices)))
(cdr attach-indices)))))
;; For a tighter stem (with ancient-flags) the stem-width has to be
;; adjusted.
- (stem-X-corr (if ancient-flags? (* 0.5 dir stem-thickness) 0))
+ (stem-X-corr
+ (if (or ancient-flags?
+ (member flag-style '(mensural neomensural)))
+ (* 0.5 dir stem-thickness) 0))
(stem-glyph (and (> log 0)
(ly:round-filled-box
(ordered-cons (+ stem-X-corr (car attach-off))
flat-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))))
+ (format #f
+ (if (or (member flag-style
+ '(mensural neomensural))
+ (and ancient-flags?
+ (null? flag-style)))
+ "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.
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.
(let* ((font
(ly:paper-get-font layout
- (cons '((font-encoding . fetaMusic)) props)))
+ (cons '((font-encoding . fetaMusic)
+ (font-name . #f))
+ props)))
(rest-glyph-name
(let ((result
(get-glyph-name font
(padding)
(size 1)
(thickness 1)
+ (line-thickness 0.1)
(width 0.25))
"
@cindex placing parentheses around text
(let* ((m (interpret-markup layout props arg))
(scaled-width (* size width))
(scaled-thickness
- (* (chain-assoc-get 'line-thickness props 0.1)
- thickness))
+ (* line-thickness thickness))
(half-thickness
(min (* size 0.5 scaled-thickness)
(* (/ 4 3.0) scaled-width)))
- (padding (chain-assoc-get 'padding props half-thickness)))
+ (padding (or padding half-thickness)))
(parenthesize-stencil
m half-thickness scaled-width angularity padding)))
"Like @code{\\override}, for markup lists."
(interpret-markup-list layout (cons (list new-prop) props) args))
+(define-markup-list-command (table layout props column-align lst)
+ (number-list? markup-list?)
+ #:properties ((padding 0)
+ (baseline-skip))
+ "@cindex creating a table.
+
+Returns a table.
+
+@var{column-align} specifies how each column is aligned, possible values are
+-1, 0, 1. The number of elements in @var{column-align} determines how many
+columns will be printed.
+The entries to print are given by @var{lst}, a markup-list. If needed, the last
+row is filled up with @code{point-stencil}s.
+Overriding @code{padding} may be used to increase columns horizontal distance.
+Overriding @code{baseline-skip} to increase rows vertical distance.
+@lilypond[verbatim,quote]
+\\markuplist {
+ \\override #'(padding . 2)
+ \\table
+ #'(0 1 0 -1)
+ {
+ \\underline { center-aligned right-aligned center-aligned left-aligned }
+ one \\number 1 thousandth \\number 0.001
+ eleven \\number 11 hundredth \\number 0.01
+ twenty \\number 20 tenth \\number 0.1
+ thousand \\number 1000 one \\number 1.0
+ }
+}
+@end lilypond
+"
+
+ (define (split-lst initial-lst lngth result-lst)
+ ;; split a list into a list of sublists of length lngth
+ ;; eg. (split-lst '(1 2 3 4 5 6) 2 '())
+ ;; -> ((1 2) (3 4) (5 6))
+ (cond ((not (integer? (/ (length initial-lst) lngth)))
+ (ly:warning
+ "Can't split list of length ~a into ~a parts, returning empty list"
+ (length initial-lst) lngth)
+ '())
+ ((null? initial-lst)
+ (reverse result-lst))
+ (else
+ (split-lst
+ (drop initial-lst lngth)
+ lngth
+ (cons (take initial-lst lngth) result-lst)))))
+
+ (define (dists-list init padding lst)
+ ;; Returns a list, where each element of `lst' is
+ ;; added to the sum of the previous elements of `lst' plus padding.
+ ;; `init' will be the first element of the resulting list. The addition
+ ;; starts with the values of `init', `padding' and `(car lst)'.
+ ;; eg. (dists-list 0.01 0.1 '(1 2 3 4)))
+ ;; -> (0.01 1.11 3.21 6.31 10.41)
+ (if (or (not (number? init))
+ (not (number? padding))
+ (not (number-list? lst)))
+ (begin
+ (ly:warning
+ "not fitting argument for `dists-list', return empty lst ")
+ '())
+ (reverse
+ (fold (lambda (elem rl) (cons (+ elem padding (car rl)) rl))
+ (list init)
+ lst))))
+
+ (let* (;; get the number of columns
+ (columns (length column-align))
+ (init-stils (interpret-markup-list layout props lst))
+ ;; If the given markup-list is the result of a markup-list call, their
+ ;; length may not be easily predictable, thus we add point-stencils
+ ;; to fill last row of the table.
+ (rem (remainder (length init-stils) columns))
+ (filled-stils
+ (if (zero? rem)
+ init-stils
+ (append init-stils (make-list (- columns rem) point-stencil))))
+ ;; get the stencils in sublists of length `columns'
+ (stils
+ (split-lst filled-stils columns '()))
+ ;; procedure to return stencil-length
+ ;; If it is nan, return 0
+ (lengths-proc
+ (lambda (m)
+ (let ((lngth (interval-length (ly:stencil-extent m X))))
+ (if (nan? lngth) 0 lngth))))
+ ;; get the max width of each column in a list
+ (columns-max-x-lengths
+ (map
+ (lambda (x)
+ (apply max 0
+ (map
+ lengths-proc
+ (map (lambda (l) (list-ref l x)) stils))))
+ (iota columns)))
+ ;; create a list of (basic) distances, which each column should
+ ;; moved, using `dists-list'. Some padding may be added.
+ (dist-sequence
+ (dists-list 0 padding columns-max-x-lengths))
+ ;; Get all stencils of a row, moved accurately to build columns.
+ ;; If the items of a column are aligned other than left, we need to
+ ;; move them to avoid collisions:
+ ;; center aligned: move all items half the width of the widest item
+ ;; right aligned: move all items the full width of the widest item.
+ ;; Added to the default-offset calculated in `dist-sequence'.
+ ;; `stencils-for-row-proc' needs four arguments:
+ ;; stil - a stencil
+ ;; dist - a numerical value as basic offset in X direction
+ ;; column - a numerical value for the column we're in
+ ;; x-align - a numerical value how current column should be
+ ;; aligned, where (-1, 0, 1) means (LEFT, CENTER, RIGHT)
+ (stencils-for-row-proc
+ (lambda (stil dist column x-align)
+ (ly:stencil-translate-axis
+ (ly:stencil-aligned-to stil X x-align)
+ (cond ((member x-align '(0 1))
+ (let* (;; get the stuff for relevant column
+ (stuff-for-column
+ (map
+ (lambda (s) (list-ref s column))
+ stils))
+ ;; get length of every column-item
+ (lengths-for-column
+ (map lengths-proc stuff-for-column))
+ (widest
+ (apply max 0 lengths-for-column)))
+ (+ dist (/ widest (if (= x-align 0) 2 1)))))
+ (else dist))
+ X)))
+ ;; get a list of rows using `ly:stencil-add' on a list of stencils
+ (rows
+ (map
+ (lambda (stil-list)
+ (apply ly:stencil-add
+ (map
+ ;; the procedure creating the stencils:
+ stencils-for-row-proc
+ ;; the procedure's args:
+ stil-list
+ dist-sequence
+ (iota columns)
+ column-align)))
+ stils)))
+ (space-lines baseline-skip rows)))
+
(define-markup-list-command (map-markup-commands layout props compose args)
(procedure? markup-list?)
"This applies the function @var{compose} to every markup in
projects / lilypond.git / blobdiff