Re: [Lilypond-auto] Issue 3009 in lilypond: Patch: Make \revert work again as context modification

[lilypond]

Comment #2 on issue 3009 by d...@gnu.org: Patch: Make \revert work again as  
context modification
http://code.google.com/p/lilypond/issues/detail?id=3009#c2
Simplify

http://codereview.appspot.com/6909053