Erik Sandberg schreef:
> Hm, I guess the easiest/cleanest way would be to let the
> percent-repeat-iterator create an implicit SequentialMusic around the music,
> with the additional percent elements, and then to let process_music pretend
> that this SequentialMusic expression is its 'element. That way, all
> timekeeping can be outsourced to the Sequential_music_iterator, and the
> percent-repeat-iterator can more-or-less be reduced to an override of
> construct_children.
I think you can just use Sequential_iterator for that, which you give a
SCM list of elements. It will also do the Right Thing if there is a
grace note involved.