Percent_repeat_item_interface::beat_slash (SCM grob)
{
Grob *me = Grob::unsmob (grob);
- Stream_event *cause = unsmob_stream_event (me->get_property ("cause"));
+ Stream_event *cause = Stream_event::unsmob (me->get_property ("cause"));
int count = robust_scm2int (cause->get_property ("slash-count"), 1);
Stencil m;