Re: Implement \once as music function able to operate on complex stuff. (issue 5322065)

[n . puttock]

LGTM.


http://codereview.appspot.com/5322065/diff/3001/input/regression/complex-once.ly
File input/regression/complex-once.ly (right):

http://codereview.appspot.com/5322065/diff/3001/input/regression/complex-once.ly#newcode7
input/regression/complex-once.ly:7: \layout { ragged-right = ##t }
redundant

http://codereview.appspot.com/5322065/diff/3001/input/regression/complex-once.ly#newcode11
input/regression/complex-once.ly:11: \unHideNotes  g a  \once\hideNotes
b c |
remove extra spaces

\once \hideNotes

http://codereview.appspot.com/5322065/diff/3001/ly/music-functions-init.ly
File ly/music-functions-init.ly (right):

http://codereview.appspot.com/5322065/diff/3001/ly/music-functions-init.ly#newcode583
ly/music-functions-init.ly:583: (_i "Set @code{once} to @code{#t} on all
layout instruction events in @var{music}")
add full stop/period

http://codereview.appspot.com/5322065/diff/3001/ly/music-functions-init.ly#newcode589
ly/music-functions-init.ly:589: (ly:music-warning m (_ "Can't apply
\\once to timed music"))))
cannot (or can not, whatever we use)

http://codereview.appspot.com/5322065/