Well, how should they? At the point the skip-of-length is evaluated the repeats are not yet unfolded. To achieve what you want we could have some mechanics where skip events could have an element property, and have the handling be done by the engraver.
Valentin 15.02.2022 20:20:02 Joel C. Salomon <joelcsalo...@gmail.com>: > … seem not to play nicely together. > > ―Joel > > \version "2.23.6" > > musicA = \fixed c'' \repeat volta 2 { c d } > musicB = \fixed c { a b } > > music = { > \musicA > \musicB > } > > dynamics = { > <>\f > #(skip-of-length musicA) > <>\p > #(skip-of-length musicB) > %\fine > } > > \score { > \new Staff << > \unfoldRepeats \music > \unfoldRepeats \dynamics > >> > }