Copyright (c) 1996-2001 Mark Damon Hughes <mark@markdamonhughes.com>

This software is provided 'as-is', without any express or implied warranty.  In
no event will the author(s) be held liable for any damages arising from the use
of this software.

Permission is granted to anyone to use, alter, and redistribute this software
freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not claim
that you wrote the original software. If you use this software in a product,
the following acknowledgment in the product documentation is required:
"This product is based on Delver, Copyright (c) 1996-2001 by Mark Damon Hughes,
which may be found at <http://markdamonhughes.com/Delver/>."

2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.

3. This notice may not be removed or altered from any source distribution.