LICENSE.txt

Written by Mark Kantrowitz, School of Computer Science,
Carnegie Mellon University, March 1993.

Copyright (c) 1993 by Mark Kantrowitz. All rights reserved.

Use and copying of this software and preparation of derivative works
based upon this software are permitted, so long as the following
conditions are met:

     * no fees or compensation are charged for use, copies, 
       distribution or access to this software

     * this copyright notice is included intact.

This software is made available AS IS, and no warranty is made about
the software or its performance.

In no event will the author(s) or their institutions be liable to you
for damages, including lost profits, lost monies, or other special,
incidental or consequential damages, arising out of or in connection
with the use or inability to use (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) the
program, or for any claim by any other party, whether in an action of
contract, negligence, or other tortious action.