Comment #7 on issue 1031 by pnorcks: constantly-changing
input/regression/rest-collision-beam-note.ly
http://code.google.com/p/lilypond/issues/detail?id=1031
Thank you for the helpful suggestions, Han-Wen.
Your intuition is correct: the problem is with the sorting vectors of
pointers to
objects.
For the case with rest-collision-beam-note.ly, the specific sort that is
problematic
is in Axis_group_interface::skyline_spacing() on axis-group-interface.cc:637
vector_sort (elements, staff_priority_less);
For a solution, are you suggesting that we add a new member to the Grob
class that
records a unique Grob ID? I'm not I understand correctly what you refer to.
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