-- lily/spacing-spanner.cc
++ lily/spacing-spanner.cc
vsize end = binary_search (all, (Grob*) me->get_bound (RIGHT),
&Paper_column::less_than);
all = vector<Grob*>::vector<Grob*> (all.begin () + start,
all = vector<Grob*> (all.begin () + start,
all.begin () + end + 1);
return all;
}