This is the license file for the avida system and associated programs.
Any questions about use or distribution should be directed to the Avida
Group at the e-mail address 'avida@alife.org' or at the following
U.S. postal address:
 
        Digital Life Laboratory
	c/o Claus O. Wilke
        Mail-Code 136-93
        California Institute of Technology
        Pasadena, California 91125
 
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All materials contained in this directory and subdirectories are
   Copyright (C) 1993-2000 California Institute of Technology.



This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License (GPL)
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version, under the
condition that you comply to the following additional requirement:
If you redistribute a modified but complete and functional(1) version
of the Avida software, you are required to indicate at a prominent
place, preferably the AUTHORS file in this directory, what kind of
modifications you have done, and that a unmodified copy of the
software can be obtained from the California Institue of Technology.
This additional requirement does not waive any obligations imposed
by the GPL. You are not allowed to amend or alter this requirement.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

(1) The software is considered to be complete and functional if it
compiles, and the resulting binary can be used to conduct digital
life experiments.
