On 12.07.19 20:04, Werner LEMBERG wrote:
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?
The Extending Manual tells him about using $ in music function bodies, IIRC. Best, Simon _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user