Now that's a good moment to switch from 2.18.2 to a more recent version of LilyPond :-).David Nalesnik's code you copied used syntax simplifications from the next LilyPond generation. It works with 2.18.2 if you replace#(define-music-function (scripts music) (list? ly:music?) by #(define-music-function (parser location scripts music) (list? ly:music?) Lukas
It worked, thanks. Upgrading now, but it's not as easy as I expected.
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