[Lilypond-auto] Issue 2874 in lilypond: Patch: Provide an \un function for turning overrides and sets into reverts and unsets

[lilypond]

Status: New
Owner: ----
Labels: Type-Enhancement Patch-new
New issue 2874 by d...@gnu.org: Patch: Provide an \un function for turning  
overrides and sets into reverts and unsets
http://code.google.com/p/lilypond/issues/detail?id=2874

Provide an \un function for turning overrides and sets into reverts and  
unsets

http://codereview.appspot.com/6588067