I was playing around with Pd's internal messages and found that
the "cut" command only works when the window is visible. So if you issue a cut command to a closed subpatch it won't actually cut anything, but "clear" works just fine.
I wasn't sure if this was a feature or a bug... anyone?
. . David McCallum . Music wants to be free . http://mentalfloss.ca/sintheta/ .