Issue 5041: Using eq? on numbers is undefined behavior

[lilypond.git] / ly / music-functions-init.ly

diff --git a/ly/music-functions-init.ly b/ly/music-functions-init.ly
index d96e655370612f6e107ac3259df3a4c066071fd1..d7eba42a4b03159d4b14860031596db4930111ff 100644 (file)
--- a/ly/music-functions-init.ly
+++ b/ly/music-functions-init.ly
@@ -1506,6 +1506,12 @@ usually contains spacers or multi-measure rests.")
                'element main-music
                'quoted-music-name what))
 
+reduceChords =
+#(define-music-function (music) (ly:music?)
+   (_i "Reduce chords contained in @var{music} to single notes,
+intended mainly for reusing music in RhythmicStaff.  Does not
+reduce parallel music.")
+   (event-chord-reduce music))
 
 relative =
 #(define-music-function (pitch music)
@@ -1976,11 +1982,16 @@ unsets already in @var{music} cause a warning.  Non-property-related music is ig
         (else (make-sequential-music lst))))))
 
 unfoldRepeats =
-#(define-music-function (music) (ly:music?)
-   (_i "Force any @code{\\repeat volta}, @code{\\repeat tremolo} or
+#(define-music-function (types music)
+   ((symbol-list-or-symbol? '()) ly:music?)
+   (_i "Force @code{\\repeat volta}, @code{\\repeat tremolo} or
 @code{\\repeat percent} commands in @var{music} to be interpreted
-as @code{\\repeat unfold}.")
-   (unfold-repeats music))
+as @code{\\repeat unfold}, if specified in the optional symbol-list @var{types}.
+The default for @var{types} is an empty list, which will force any of those
+commands in @var{music} to be interpreted as @code{\\repeat unfold}.  Possible
+entries are @code{volta}, @code{tremolo} or @code{percent}.  Multiple entries
+are possible.")
+   (unfold-repeats types music))
 
 void =
 #(define-void-function (arg) (scheme?)