Re: [Lilypond-auto] Issue 2981 in lilypond: Let \set ... = *undefined* unset values rather than overwriting

[lilypond]

Updates:
        Status: Verified

Comment #10 on issue 2981 by elu...@gmail.com: Let \set ... = *undefined*  
unset values rather than overwriting
http://code.google.com/p/lilypond/issues/detail?id=2981
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