

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

        This material was developed by Gonzalo Navarro, Marcos Rojas and
Carlos Avendano-Perez, the first two from University of Chile, Department of 
Computer Science, and the latter from INAOEP, Mexico DF. Components of zlib 
library are used. 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.

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

   b. 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.

   c. 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. 

   d. Redistribution or use for profit requires the express, written permission
of the authors. 

   e. 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.

   f. The copyright restrictions of zlib library must be honored. These are
the following, extracted from zlib.h:

   zlib.h -- interface of the 'zlib' general purpose compression library
  version 1.1.4, March 11th, 2002

  Copyright (C) 1995-2002 Jean-loup Gailly and Mark Adler

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.

  Jean-loup Gailly        Mark Adler
  jloup@gzip.org          madler@alumni.caltech.edu

