- left = pc->extent (pc, X_AXIS)[RIGHT]
- - bound->relative_coordinate (pc, X_AXIS);
+ left = pc->break_align_width (pc, ly_symbol2scm ("break-alignment"))[RIGHT]
+ // For some reason, break_align_width is relative to
+ // the x-parent of the column.
+ - bound->relative_coordinate (pc->get_parent (X_AXIS), X_AXIS);