+ extract_grob_set (me, "tuplets", tuplets);
+
+ Grob *commony = common_refpoint_of_array (cols, me, Y_AXIS);
+ commony = common_refpoint_of_array (tuplets, commony, Y_AXIS);
+ if (Grob *st = Staff_symbol_referencer::get_staff_symbol (me))
+ commony = st->common_refpoint (commony, Y_AXIS);
+ if (me->check_cross_staff (commony))
+ return SCM_BOOL_T;
+