SCM
Grace_music::start_callback (SCM m)
{
- Moment *l = Moment::unsmob (Music_wrapper::length_callback (m));
+ Moment *l = unsmob<Moment> (Music_wrapper::length_callback (m));
Moment gl;
gl.grace_part_ = -(l->main_part_ + l->grace_part_);
return gl.smobbed_copy ();