p_davis@epik.enet.dec.com (Peter Davis) (11/28/90)
In article <10784@sunquest.UUCP>, terry@venus.sunquest.com (Terry R. Friedrichsen) writes... . . . > >But unless I simply can't read the red book, I don't see an operator for >REMOVING a key from a dictionary. Am I mistaken? Is there a simple way >to remove a key from a dictionary? > . . . There is an operator introduced in PostScript Level 2 called 'undef' that does what you're looking for. I think you specify a dictionary and a key, and it removes the definition. In the meantime, you have to do what you want with 'save' and 'restore', which completely save and restore the state of virtual memory.