Re: Issue 1336 in lilypond: skipTypesetting segfaults when set during a skipBars-induced MultiMeasureRest spanner

[lilypond]

Comment #19 on issue 1336 by v.villenave: skipTypesetting segfaults when  
set during a skipBars-induced MultiMeasureRest spanner
http://code.google.com/p/lilypond/issues/detail?id=1336

Okay. Then here's another one: how come that MultiMeasureRestNumber (as  
well as MultiMeasureRestText, for that matter) have to be spanners? I've  
tried replacing it with an item (by doing a mashup with code pasted from  
bar-number-engraver.cc), but I (obviously) couldn't make it work.

BTW: guys, have you noticed that

    \override Score.MultiMeasureRestNumber #'stencil = ##f

prevents the segfault from happening, even without Carl's patch?
(Which is to say, a quick-and-dirty fix would be to remove  
MultiMeasureRestNumbers whenever skipTypesetting is set. Granted, that is a  
bit like playing volleyball with your feet :-)