Doc: add doc-strings to music-functions

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

diff --git a/ly/music-functions-init.ly b/ly/music-functions-init.ly
index d3d14e7f379b379b93e3bc5b0d26b21d656ccd85..f49797ec81871c7cf777e5d0352dcae837d7cf21 100644 (file)
--- a/ly/music-functions-init.ly
+++ b/ly/music-functions-init.ly
@@ -379,7 +379,8 @@ makeClusters =
 
 musicMap =
 #(define-music-function (parser location proc mus) (procedure? ly:music?)
-            (music-map proc mus))
+    (_i "Apply @var{proc} to @var{mus} and all of the music it contains.")
+    (music-map proc mus))