}
}
}
- else if (qualifies (i))
+ else if (qualifies (i) && !unsmob_grob (i.grob ()->get_object ("staff-grouper")))
{
Pointer_group_interface::add_grob (valign_, ly_symbol2scm ("elements"), i.grob ());
i.grob ()->set_object ("staff-grouper", valign_->self_scm ());