int cur = gh_scm2int (get_property ("currentBarNumber"));
int num = cur - start_measure_;
last_rest_->set_grob_property ("measure-count", gh_int2scm (num));
int cur = gh_scm2int (get_property ("currentBarNumber"));
int num = cur - start_measure_;
last_rest_->set_grob_property ("measure-count", gh_int2scm (num));