! $Id: pop,v 1.3 2002/02/19 19:43:28 f Exp $ ! ! Copyright (c) 1990-2001 Michael Sandrof, Troy Rollo, Matthew Green, ! and other ircII contributors. ! ! All rights reserved. See the HELP SCROLLZ COPYRIGHT file for more ! information. ! Usage: WINDOW POP  Pops the top window off the window stack making it the current window. If it is hidden, then makes it visible first.