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Lua COPYRIGHT NOTICE
--------------------

Lua is free and non-proprietary.
It can be used for both academic and commercial purposes at absolutely no cost.
There are no royalties or GNU-like "copyleft" restrictions.
On the other hand, Lua is not in the public domain; TeCGraf keeps its copyright.
If you use Lua, please give us credit, but we would appreciate *not* receiving
lengthy legal documents to sign.
The legal details are below.

===============================================================================

Copyright (c) 1994-1998 TeCGraf, PUC-Rio.  All rights reserved.

Permission is hereby granted, without written agreement and without license
or royalty fees, to use, copy, modify, and distribute this software and its
documentation for any purpose, including commercial applications, subject to
the following conditions:

 * The above copyright notice and this permission notice shall appear in all
   copies or substantial portions of this software.

 * 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 greatly
   appreciated (but it is not required).

 * Altered source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.
   
The authors specifically disclaim any warranties, including, but not limited
to, the implied warranties of merchantability and fitness for a particular
purpose.  The software provided hereunder is on an "as is" basis, and the
authors have no obligation to provide maintenance, support, updates,
enhancements, or modifications.  In no event shall TeCGraf, PUC-Rio, or the
authors be held liable to any party for direct, indirect, special,
incidental, or consequential damages arising out of the use of this software
and its documentation.

The Lua language and this implementation have been entirely designed and written
by Waldemar Celes, Roberto Ierusalimschy, and Luiz Henrique de Figueiredo
at TeCGraf, PUC-Rio.

This implementation contains no third-party code.

===============================================================================