+ if (!finished_span_->get_bound (RIGHT))
+ finished_span_->set_bound (RIGHT, unsmob_grob (get_property ("currentCommandColumn")));
+
+ announce_end_grob (finished_span_,
+ span_events_[STOP]
+ ? span_events_[STOP]->self_scm ()
+ : SCM_EOL);
+
+ finished_span_ = 0;
+}
+
+void
+Staff_symbol_engraver::stop_translation_timestep ()
+{
+ if ((span_events_[START] || first_start_)
+ && span_)
+ {
+ first_start_ = false;
+ }
+
+ span_events_[START] = 0;
+ span_events_[STOP] = 0;
+ stop_spanner ();
+}
+
+void
+Staff_symbol_engraver::finalize ()
+{
+ finished_span_ = span_;
+ span_ = 0;
+ stop_spanner ();
+}
+
+/*
+ Todo: staff-symbol-referencer iface.
+*/
+void
+Staff_symbol_engraver::acknowledge_grob (Grob_info s)
+{
+ /*
+ Perhaps should try to take SeparationItem as bound of the staff
+ symbol?
+ */
+ if (span_ || finished_span_)