
Copyright Information
---------------------

        This material was developed by Gonzalo Navarro at the University of
Chile, Department of Computer Science. Permission is granted to copy this
software, to redistribute it on a nonprofit basis, and to use it for any
noncommercial purpose, subject to the following restrictions and understandings.

   1. Any copy made of this software must include this copyright notice in full.

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

   3. The author has made no warranty or representation that the operation of
this software will be error-free or suitable for any application, and he is
under no obligation to provide any services, by way of maintenance,
update, or otherwise. The software is an experimental prototype offered on an
as-is basis.

   4. Redistribution or use for profit requires the express, written permission
of the author.

   5. Modifications and enhancements of this software, as well as their use as
a part of a larger system, are permitted subject to the same copyright rules of
the original software, i.e. copies must include this copyright notice, academic
acknowledgment is required, there are no warranties of the software, and use for
profit requires author's permission.


