Copyright (c) 1991,1990,1989 Carnegie Mellon University All Rights
Reserved.

Permission to use, copy, modify and distribute this software and its
documentation is hereby granted, provided that both the copyright notice
and this permission notice appear in all copies of the software, derivative
works or modified versions, and any portions thereof, and that both notices
appear in supporting documentation.

CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.
CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES
WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.

Carnegie Mellon requests users of this software to return to

Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
School of Computer Science Carnegie Mellon University Pittsburgh PA
15213-3890

any improvements or extensions that they make and grant Carnegie Mellon the
rights to redistribute these changes.


