David Nalesnik <david.nales...@gmail.com> writes: > (I'm trying an example given here: > http://jayreynoldsfreeman.com/Aux/Tutorials/Modifying%20Lists.html) > > I don't understand this--because clearly using set-car! and set-cdr! > with a constant led to problems within the engraver; why will the > sandbox allow me to do this?
The behavior is undefined if I remember correctly: an error is not guaranteed by the standard. I think Guilev2 will produce an error, but LilyPond is still at Guilev1. -- David Kastrup _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user
