- SCM cause = heads_to_tie_[i].tie_event_
- ? heads_to_tie_[i].tie_event_->self_scm ()
- : heads_to_tie_[i].tie_stream_event_->self_scm ();
+ Stream_event *cause = heads_to_tie_[i].tie_event_
+ ? heads_to_tie_[i].tie_event_
+ : heads_to_tie_[i].tie_stream_event_;
+
+ announce_end_grob (p, cause->self_scm ());