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LUA_COPYRIGHT
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LUA_COPYRIGHT
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_________________________________________________________________
Lua License
Lua is free software: it can be used for any purpose, including
commercial purposes, at absolutely no cost. No paperwork, no
royalties, no GNU-like "copyleft" restrictions, either. Just download
it and use it. Lua is certified Open Source software. Its licenses are
compatible with GPL. Lua is not in the public domain and PUC-Rio keeps
its copyright. The legal details are below.
[osi certified] License for Lua 5.0 and later versions:
Since Lua 5.0, Lua is licensed under the terms of the MIT license
reproduced below.
[open source] License for Lua 4.0 and earlier versions:
Until Lua 4.0, Lua used its own license, which was very close to the
zlib license and others, but not quite the same.
The spirit of both licenses is that you are free to use Lua for any
purpose at no cost without having to ask us. The only requirement is
that if you do use Lua, then you should give us credit by including
the appropriate copyright notice somewhere in your product or its
documentation. A nice, but optional, way to give us further credit is
to include a Lua logo and a link to our site in a web page for your
product.
The Lua language is entirely designed, implemented, and maintained by
a team at PUC-Rio in Brazil. The implementation is not derived from
licensed software.
_________________________________________________________________
License for Lua 5.0 and later versions
Copyright © 1994-2022 Lua.org, PUC-Rio.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
_________________________________________________________________
License for Lua 4.0 and earlier versions
Copyright © 1994-2002 Tecgraf, PUC-Rio.
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.
_________________________________________________________________
(text adapted from http://www.lua.org/license.html)