Copyright (c) 1994 by Mark Kantrowitz. All rights reserved.

This material was developed by Mark Kantrowitz of the School of
Computer Science, Carnegie Mellon University.

Permission to use, copy, modify, and distribute this material is
hereby granted, subject to the following terms and conditions.

In case it be determined by a court of competent jurisdiction that any
provision herein contained is illegal, invalid or unenforceable, such
determination shall solely affect such provision and shall not affect
or impair the remaining provisions of this document.

1. All copies of the software, derivative works or modified versions,
   and any portions thereof, must include this entire copyright and
   permission notice, without modification. The full notice must also
   appear in supporting documentation.

2. Users of this material agree to make their best efforts to inform 
   Mark Kantrowitz of noteworthy uses of this material. Correspondence
   should be provided to Mark at:

        Mark Kantrowitz
	School of Computer Science
	Carnegie Mellon University
	5000 Forbes Avenue
	Pittsburgh, PA 15213-3891

	E-mail: mkant@cs.cmu.edu
	Fax:    412-681-5739
       
3. This software and derivative works may be distributed (but not
   offered for sale) to third parties, provided such third parties
   agree to abide by the terms and conditions of this notice. 
   In particular, this software may not be included on any CD-ROM
   publication without the express prior written approval of the author.

4. If you modify this software, you must cause the modified file(s) to 
   carry a change log describing the changes, who made the changes, and the
   date of the changes. 

5. All materials developed as a consequence of the use of this material
   shall duly acknowledge such use, in accordance with the usual standards
   of acknowledging credit in academic research.

6. Neither the name of Mark Kantrowitz nor any adaptation thereof may
   be used to endorse or promote products derived from this software
   or arising from its use without specific prior written permission
   in each case. 

7. Users of this software hereby grant back to Mark Kantrowitz and
   Carnegie Mellon University a non-exclusive, unrestricted, royalty-free
   right and license under any changes, enhancements or extensions made
   to the core functions of the software, including but not limited to
   those affording compatibility with other hardware or software
   environments. Users further agree to use their best efforts to return to
   Mark Kantrowitz any such changes, enhancements or extensions that they
   make.

THE SOFTWARE IS PROVIDED "AS IS" AND MARK KANTROWITZ DISCLAIMS ALL
EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS MATERIAL (INCLUDING
SOFTWARE CONTAINED THEREIN), INCLUDING, WITHOUT LIMITATION, ALL
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. IN NO EVENT SHALL MARK KANTROWITZ BE LIABLE FOR ANY SPECIAL,
DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE (INCLUDING BUT
NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
LOSSES SUSTAINED BY THIRD PARTIES OR A FAILURE OF THE PROGRAM TO
OPERATE AS DOCUMENTED). MARK KANTROWITZ IS UNDER NO OBLIGATION TO
PROVIDE ANY SERVICES, BY WAY OF MAINTENANCE, UPDATE, OR OTHERWISE.

*EOF*