Copyright 1989--2004 by Hunter Goatley.
Permission is granted to anyone to use this software for any purpose on any computer system, and to redistribute it freely, subject to the following restrictions:
   1. This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   2. Altered versions must be plainly marked as such, and must not be misrepresented as being the original software.
