Permission to use, copy, modify, and distribute this program for any purpose and
without fee is hereby granted, provided that this copyright and permission
notice appear on all copies and supporting documentation, the name of Carnegie
Mellon not be used in advertising or publicity pertaining to distribution of the
program without specific prior permission, and notice be given in supporting
documentation that copying and distribution is by permission of Carnegie Mellon
and Stanford University. Carnegie Mellon makes no representations about the
suitability of this software for any purpose. It is provided "as is" without
express or implied warranty.