Copyright (C) 1992 Clarendon Hill Software. Permission is granted to any individual or institution to use, copy, or redistribute this software, provided this copyright notice is retained. This software is provided "as is" without any expressed or implied warranty. If this software brings on any sort of damage -- physical, monetary, emotional, or brain -- too bad. You've got no one to blame but yourself. The software may be modified for your own purposes, but modified versions must retain this notice. Copyright (c) 1996-1998, 2000, Timothy Mann Copyright (c) 1998 Ulrich Mueller Copyright 1999, Peter W. Cervasio This software may be copied, modified, and used for any purpose without fee, provided that (1) the above copyright notice is retained, and (2) modified versions are clearly marked as having been modified, with the modifier's name and the date included.