Copyright Notice
----------------
Copyright 1993 by the University of Pennsylvania

Permission to use, copy, and distribute for non-commercial purposes,
is hereby granted without fee, providing that the above copyright
notice appear in all copies and that both the copyright notice and this
permission notice appear in supporting documentation.

The software may be modified for your own purposes, but modified versions
may not be distributed without prior consent of the the author.

This software is provided "as is" without any express or implied
warranty.
