Issue 591 in lilypond: Left edge of hairpin aligns with arpeggio

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Issue 591: Left edge of hairpin aligns with arpeggio
http://code.google.com/p/lilypond/issues/detail?id=591

Comment #1 by hanwenn:
when I debug, and set a breakpoint in Hairpin::print() it turns out 
that the left
bound of the hairpin has been messed with in mysterious ways,

(gdb) ps b->object_alist_
((pure-relevant-spanners . #<Grob_array>) (pure-relevant-items . 
#<Grob_array#<Grob
NoteHead > #<Grob NoteHead > #<Grob Stem > #<Grob Arpeggio > #<Grob 
Arpeggio > #<Grob
Arpeggio > #<Grob Arpeggio > #<Grob Arpeggio > >) (pure-Y-common . 
#<Grob NoteColumn
> ) (axis-group-parent-X . #<Grob PaperColumn >) (conditional-elements .
#<Grob_array#<Grob AccidentalPlacement > >) (axis-group-parent-Y . #<Grob
VerticalAxisGroup >) (staff-symbol . #<Grob StaffSymbol >) (arpeggio . #<Grob
Arpeggio >) (stem . #<Grob Stem >) (elements . #<Grob_array#<Grob 
NoteHead > #<Grob
NoteHead > #<Grob Stem > #<Grob Arpeggio > #<Grob Arpeggio > #<Grob 
Arpeggio > #<Grob
Arpeggio > #<Grob Arpeggio > >) (note-heads . #<Grob_array#<Grob 
NoteHead > #<Grob
NoteHead > >))
$27 = void

(gdb) p b->self_scm_
$28 = (SCM) 0xb7935388

(gdb) ps b->self_scm_
#<Grob NoteColumn >

Note that many of the lists contain duplicated entries (there is only 
one Arpeggio
object in the score), and that the arpeggio object should not be there 
at all.

I suspect some of the pure/non-pure stuff may havesomething to do with 
this, since
NoteColumn is a AxisGroup.  Can you look into this?


Issue attribute updates:
        Cc: joeneeman

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