Spacing_spanner::set_interface (spacing_p_);
spacing_p_->set_bound (LEFT, unsmob_element (get_property ("currentCommandColumn")));
announce_element (spacing_p_, 0);
Spacing_spanner::set_interface (spacing_p_);
spacing_p_->set_bound (LEFT, unsmob_element (get_property ("currentCommandColumn")));
announce_element (spacing_p_, 0);
sc->set_elt_property ("shortest-playing-duration", sh);
sc->set_elt_property ("shortest-starter-duration", st);
sc->set_elt_property ("shortest-playing-duration", sh);
sc->set_elt_property ("shortest-starter-duration", st);