Hello! Sometimes you get a repeated section where only some repeats are somehow annotated – let’s say a dynamic marking, some sort of markup or whatever. So I suggest: \repeat unfold should take tags like let’s say # _repeat_1, # _repeat_2, ... (maybe with an option for some sort of ”namespace“ for nested repeats), and repeat unfold should remove unwanted entries.
Or another option (which would be more stable I guess): Any grob could have a property like at-repeats, which is a list of frames that default to #t (any repeat), and can be overridden to be a (optimally sorted) list of numbers. Now repeat unfold could simply add a new frame at-repeats = (cons #t old-at- repeats). Then when unfolding the repeated music, for each repeat it is checked if (car at-repeats) is #t or if it contains the repeat-number. If so, the music is returned with at-repeats = (cdr at-repeats). Cheers, Valentin
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