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.