Updates:
Labels: -Patch-needs_work Patch-new
Comment #3 on issue 3161 by [email protected]: Patch: Standardizes use of
empty extents in pure heights and skylines.
http://code.google.com/p/lilypond/issues/detail?id=3161#c3
Rebased off current master. http://codereview.appspot.com/7310075
