fd49c97998
The EDK2 project has migrated to the BSD-Patent license from https://opensource.org/licenses/BSDplusPatent for much of their code base. Get pre-approval for future imports from EDK2 and be explicit about needing core approval for new components. Reviewed by: allanjude@, bcr@, brooks@, seanc@ Approved by: core@ Differential Revision: https://reviews.freebsd.org/D20761
245 lines
9.5 KiB
XML
245 lines
9.5 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!DOCTYPE html PUBLIC "-//FreeBSD//DTD XHTML 1.0 Transitional-Based Extension//EN"
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"http://www.FreeBSD.org/XML/share/xml/xhtml10-freebsd.dtd" [
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<!ENTITY title "Software License Policy">
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]>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>&title;</title>
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<cvs:keyword xmlns:cvs="http://www.FreeBSD.org/XML/CVS">$FreeBSD$</cvs:keyword>
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</head>
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<body class="navinclude.docs">
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<h2>Philosophy</h2>
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<p>The FreeBSD Project aims to produce a complete, BSD-licensed
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operating system allowing consumers of the system to produce
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derivative products without constraint or further license
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obligations. We invite and greatly appreciate the contribution of
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both changes and additions under the two-clause BSD license, and
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encourage the adoption of this license by other open source
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projects. Use of the BSD license is key to encouraging the
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adoption of advanced operating system technology, and on many
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notable occasions has been pivotal to widespread use of new
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technology.</p>
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<p>We accept however that compelling reasons exist to allow
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differently-licensed software to be included in the FreeBSD source
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tree.</p>
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<p>We require any software under alternative licenses to be
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carefully isolated in the source tree so that it cannot
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contaminate BSD-only components. Such cautious management
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encourages licensing clarity and facilitates the production of
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BSD-only derivative products.</p>
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<p>Unless a special exception is made, no existing BSD-licensed
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components may be replaced with differently-licensed software. We
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instead encourage FreeBSD and third party developers to seek the
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relicensing or reimplementation of critical components under the
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BSD license. Such would ease their more integral adoption into
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the FreeBSD operating system.</p>
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<h2>Policy</h2>
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<ul>
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<li>
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<p>The import of new software licensed under any licenses
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other than the BSD license and BSD-Like Licenses (as defined
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below) requires the prior approval of the FreeBSD Core Team.
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Requests for import must include:</p>
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<ul>
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<li>
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<p>A list of features or bug fixes that the new version or
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patches contain, along with evidence that our users need
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those features. PRs or references to mailing list
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discussions are ideal forms of evidence.</p>
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<p>This process should be used for all software imports,
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not just those that require Core Team review. The mere
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existence of a new version does not justify an import of
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software to source or ports.</p>
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</li>
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<li>
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<p>A list of FreeBSD branches that may be affected.
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Expansions of scope require a new request to and approval
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from the FreeBSD Core Team.</p>
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</li>
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</ul>
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</li>
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<li>
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<p>The Apache License 2.0 is acceptable for use in some cases.
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The Core Team must approve the import of new Apache
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License licensed components or the change of license of
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existing components to the Apache License.</p>
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<p>This license is approved for the following components:<p>
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<ul>
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<li>LLVM toolchain and (with LLVM Exceptions) runtime
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components.</li>
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<li>Subversion and its dependencies</li>
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</ul>
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</li>
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<li>
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<p>The BSD+Patent License is acceptable for use in some cases.
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The Core Team must approve the import of new BSD+Patent
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License licensed components or the change of license of
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existing components to the BSD+Patent License.</p>
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<p>This license is approved for the following components:<p>
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<ul>
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<li>EDK2 derived code related to UEFI functionality</li>
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</ul>
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</li>
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<li>
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<p>Historically, the phrase 'All Rights Reserved.' was
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included in all copyright notices. The BSD releases had it to
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comply with the Buenos Aires Convention of 1910 in the
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Americas. With the ratification of the Berne Convention in
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2000, it became obsolete. As such, the FreeBSD project
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recommends that new code omit the phrase and encourages
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existing copyright holders to remove it. In 2018, the project
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updated its templates to remove it.</p>
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</li>
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</ul>
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<h3>Acceptable licenses</h3>
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<p>The following licenses are considered to be acceptable BSD-Like
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Licenses for the purpose of this Policy. They must be reproduced
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verbatim on any new code. Deviations or the use of any other
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license must be approved by the FreeBSD Core Team:</p>
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<ul>
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<li>
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<p>The 2 clause version of the BSD license</p>
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<pre>
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/*-
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* Copyright (c) [year] [your name]
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* [id for your version control system, if any]
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*/
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</pre>
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</li>
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<li>
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<p>The 3 clause version of the BSD license</p>
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<pre>
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/*-
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* Copyright (c) [year] [your name]
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of its contributors may
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* be used to endorse or promote products derived from this software
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* [id for your version control system, if any]
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*/
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</pre>
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</li>
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<li>
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<p>The ISC License</p>
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<pre>
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/*-
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* Copyright (c) [year] [copyright holder]
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* [id for your version control system, if any]
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*/
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</pre>
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</li>
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<li>
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<p>The MIT License</p>
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<pre>
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/*-
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* Copyright (c) [year] [copyright holders]
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* [id for your version control system, if any]
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*/
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</pre>
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</li>
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</ul>
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</body>
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</html>
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