Re: [Lilypond-auto] Issue 2612 in lilypond: Patch: Issues warning for negative-spanning line spanner.

[lilypond]

Comment #5 on issue 2612 by colinpkc...@gmail.com: Patch: Issues warning  
for negative-spanning line spanner.
http://code.google.com/p/lilypond/issues/detail?id=2612
Ping MIke: this has been on push for a month; should it be withdrawn?