Rest_collision::add_column (Grob*me,Grob *p)
{
me->add_dependency (p);
- Pointer_group_interface::add_element (me, ly_symbol2scm ("elements"), p);
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), p);
/*
only add callback for the rests, since we don't move anything else.