I thought A_CANT was supposed to turn off the ability to send messages in the normal manner, but it doesn't seem to do anything.
Question #1: Is there a place to add a check for A_CANT and refuse to call the method if it's an arg?
Question #2: Shouldn't the "dsp" method of tilde objects take an A_CANT instead of A_NULL?
Question #3: Since no one specifies A_CANT for their tilde classes, can we put a check inside class_addmethod: if $classname matches "*~" and $selector eq 'dsp' then give it a single A_CANT arg.
I think that would solve the [dsp(---[any-tilde-object~] crasher.
-Jonathan