Issue 453 in lilypond: \compressMusic incorrectly increases beams

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Issue 453: \compressMusic incorrectly increases beams
http://code.google.com/p/lilypond/issues/detail?id=453

Comment #1 by v.villenave:
%{
Mats found something that I assume to be related, but I can't really explain 
how:

When using \compressMusic, measureLength isn't modified accordingly, and 
therefore 
doesn't work well: in the following snippet, it has to be manually set to the 
right
scaling of durations, otherwise the barlines are messed up.

If this tremolo issue can be solved by a manual ly:make-moment workaround, it 
can
just be specified in the manual, and maybe the bug could be closed.
%}

\layout {
 \context { \Score
    \remove "Timing_translator"
    \remove "Default_bar_line_engraver"
 }
 \context {
   \Staff
   \consists "Timing_translator"
   \consists "Default_bar_line_engraver"
 }
}

<<
 \new Staff {
   \compressMusic #'( 8 . 5 ) {
     \time 6/8
     \set Timing.measureLength = #(ly:make-moment 3 5)
     b8 b b b b b
     \time 2/4
     \set Timing.measureLength = #(ly:make-moment 2 5)
     b4 b
     }
   }
 \new Staff {
   \clef bass
   \time 2/4
   c2 d e f  }
 >>




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