Copyright 1991 Rich Salz. All rights reserved. $Revision: 1.1.1.1 $ Redistribution and use in any form are permitted provided that the following restrictions are are met: 1. Source distributions must retain this entire copyright notice and comment. 2. Binary distributions must include the acknowledgement ``This product includes software developed by Rich Salz'' in the documentation or other materials provided with the distribution. This must not be represented as an endorsement or promotion without specific prior written permission. 3. The origin of this software must not be misrepresented, either by explicit claim or by omission. Credits must appear in the source and documentation. 4. Altered versions must be plainly marked as such in the source and documentation and must not be misrepresented as being the original software. THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.