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Lua Copyright notice
Lua is free software: it can be used for both academic and commercial purposes at absolutely no cost. There are no royalties or GNU-like "copyleft" restrictions. Lua (probably) qualifies as Open Source software. Nevertheless, Lua is not in the public domain and Tecgraf keeps its copyright. The legal details are below.
If you use Lua, please give us credit (a nice way to do this is to include a Lua logo in a web page for your product), but we would appreciate not receiving lengthy legal documents to sign.
Copyright � 1994-2000 Tecgraf, PUC-Rio. All rights reserved.
Permission is hereby granted, without written agreement and without license or royalty fees, to use, copy, modify, translate, and distribute this software and its documentation (hereby called the "package") 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 package.
The origin of this package must not be misrepresented; you must not claim that you wrote the original package. If you use this package 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 package.
The authors specifically disclaim any warranties, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. The package 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 package 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 in Brazil.
This implementation contains no third-party code.
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