Werner LEMBERG <w...@gnu.org> writes: >> Functions like transpose act destructively on their argument, so you >> need a copy or the original will get changed. [...] > > How can Joe User find out whether a function is acting destructively?
All music functions are allowed to do that by definition because it would be inefficient if every transformation would have to create a copy. -- David Kastrup _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user