-IMPLEMENT_TRANSLATOR_LISTENER (Span_dynamic_performer, decrescendo);
-void
-Span_dynamic_performer::listen_decrescendo (Stream_event *r)
-{
- Direction d = to_dir (r->get_property ("span-direction"));
- span_events_[d] = r;
-}
-
-IMPLEMENT_TRANSLATOR_LISTENER (Span_dynamic_performer, crescendo);
-void
-Span_dynamic_performer::listen_crescendo (Stream_event *r)