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355 lines
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<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
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<title>licence</title>
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<meta name="generator" content="Amaya 9.54, see http://www.w3.org/Amaya/" />
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<h1>Retroshare's Licences</h1>
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<p>All of Retroshare's Code is available freely under open source licences,
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</p>
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<p>However the software does not fall exclusively under one licence. </p>
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<h2>libretroshare : (the core library)</h2>
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<p>Is licenced under the LGPL (Gnu Library General Public Licence)</p>
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<p><a id="http"
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href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html">http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html</a></p>
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<p>This library also depends on:</p>
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<ol>
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<li>miniupnpc: BSD Licence</li>
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<li>OpenSSL: OpenSSL Licence.</li>
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<li>GPGme: LGPL Licence.</li>
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<li>KadC : GPL Licence.</li>
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</ol>
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<h2>Retroshare GUI and Applications</h2>
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<p>These are generally licenced under the GPL (Gnu General Public Licence)</p>
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<p><a
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href="http://www.gnu.org/licenses/gpl.html">http://www.gnu.org/licenses/gpl.html</a></p>
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<p>And are built on top of Trolltech's Qt Libraries.</p>
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<p></p>
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<p></p>
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<h2>GNU GENERAL PUBLIC LICENSE</h2>
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<h3>Version 2, June 1991</h3>
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<p></p>
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<p>Copyright (C) 1989, 1991 Free Software Foundation, Inc.</p>
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<p>51 Franklin Steet, Fifth Floor, Boston, MA 02111-1307 USA</p>
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<p>Everyone is permitted to copy and distribute verbatim copies</p>
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<p>of this license document, but changing it is not allowed.</p>
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<p></p>
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<p>Preamble</p>
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<p></p>
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<p>The licenses for most software are designed to take away your freedom to
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share and change it. By contrast, the GNU General Public License is intended
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to guarantee your freedom to share and change free software--to make sure the
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software is free for all its users. This General Public License applies to
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most of the Free Software Foundation's software and to any other program
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whose authors commit to using it. (Some other Free Software Foundation
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software is covered by the GNU Library General Public License instead.) You
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can apply it to your programs, too.</p>
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<p>When we speak of free software, we are referring to freedom, not price.
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Our General Public Licenses are designed to make sure that you have the
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freedom to distribute copies of free software (and charge for this service if
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you wish), that you receive source code or can get it if you want it, that
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you can change the software or use pieces of it in new free programs; and
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that you know you can do these things.</p>
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<p>To protect your rights, we need to make restrictions that forbid anyone to
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deny you these rights or to ask you to surrender the rights. These
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restrictions translate to certain responsibilities for you if you distribute
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copies of the software, or if you modify it.</p>
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<p>For example, if you distribute copies of such a program, whether gratis or
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for a fee, you must give the recipients all the rights that you have. You
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must make sure that they, too, receive or can get the source code. And you
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must show them these terms so they know their rights.</p>
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<p>We protect your rights with two steps: (1) copyright the software, and (2)
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offer you this license which gives you legal permission to copy, distribute
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and/or modify the software.</p>
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<p>Also, for each author's protection and ours, we want to make certain that
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everyone understands that there is no warranty for this free software. If the
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software is modified by someone else and passed on, we want its recipients to
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know that what they have is not the original, so that any problems introduced
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by others will not reflect on the original authors' reputations.</p>
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<p>Finally, any free program is threatened constantly by software patents. We
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wish to avoid the danger that redistributors of a free program will
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individually obtain patent licenses, in effect making the program
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proprietary. To prevent this, we have made it clear that any patent must be
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licensed for everyone's free use or not licensed at all.</p>
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<p>The precise terms and conditions for copying, distribution and
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modification follow.</p>
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<p></p>
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<p>GNU GENERAL PUBLIC LICENSE</p>
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<p>TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</p>
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<p></p>
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<p>0. This License applies to any program or other work which contains a
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notice placed by the copyright holder saying it may be distributed under the
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terms of this General Public License. The "Program", below, refers to any
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such program or work, and a "work based on the Program" means either the
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Program or any derivative work under copyright law: that is to say, a work
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containing the Program or a portion of it, either verbatim or with
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modifications and/or translated into another language. (Hereinafter,
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translation is included without limitation in the term "modification".) Each
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licensee is addressed as "you".</p>
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<p>Activities other than copying, distribution and modification are not
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covered by this License; they are outside its scope. The act of running the
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Program is not restricted, and the output from the Program is covered only if
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its contents constitute a work based on the Program (independent of having
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been made by running the Program). Whether that is true depends on what the
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Program does.</p>
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<p></p>
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<p>1. You may copy and distribute verbatim copies of the Program's source
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code as you receive it, in any medium, provided that you conspicuously and
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appropriately publish on each copy an appropriate copyright notice and
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disclaimer of warranty; keep intact all the notices that refer to this
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License and to the absence of any warranty; and give any other recipients of
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the Program a copy of this License along with the Program.</p>
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<p>You may charge a fee for the physical act of transferring a copy, and you
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may at your option offer warranty protection in exchange for a fee.</p>
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<p></p>
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<p>2. You may modify your copy or copies of the Program or any portion of it,
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thus forming a work based on the Program, and copy and distribute such
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modifications or work under the terms of Section 1 above, provided that you
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also meet all of these conditions:</p>
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<p>a) You must cause the modified files to carry prominent notices stating
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that you changed the files and the date of any change.</p>
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<p>b) You must cause any work that you distribute or publish, that in whole
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or in part contains or is derived from the Program or any part thereof, to be
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licensed as a whole at no charge to all third parties under the terms of this
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License.</p>
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<p>c) If the modified program normally reads commands interactively when run,
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you must cause it, when started running for such interactive use in the most
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ordinary way, to print or display an announcement including an appropriate
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copyright notice and a notice that there is no warranty (or else, saying that
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you provide a warranty) and that users may redistribute the program under
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these conditions, and telling the user how to view a copy of this License.
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(Exception: if the Program itself is interactive but does not normally print
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such an announcement, your work based on the Program is not required to print
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an announcement.)</p>
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<p>These requirements apply to the modified work as a whole. If identifiable
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sections of that work are not derived from the Program, and can be reasonably
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considered independent and separate works in themselves, then this License,
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and its terms, do not apply to those sections when you distribute them as
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separate works. But when you distribute the same sections as part of a whole
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which is a work based on the Program, the distribution of the whole must be
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on the terms of this License, whose permissions for other licensees extend to
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the entire whole, and thus to each and every part regardless of who wrote
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it.</p>
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<p>Thus, it is not the intent of this section to claim rights or contest your
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rights to work written entirely by you; rather, the intent is to exercise the
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right to control the distribution of derivative or collective works based on
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the Program.</p>
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<p>In addition, mere aggregation of another work not based on the Program
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with the Program (or with a work based on the Program) on a volume of a
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storage or distribution medium does not bring the other work under the scope
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of this License.</p>
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<p></p>
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<p>3. You may copy and distribute the Program (or a work based on it, under
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Section 2) in object code or executable form under the terms of Sections 1
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and 2 above provided that you also do one of the following:</p>
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<p>a) Accompany it with the complete corresponding machine-readable source
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code, which must be distributed under the terms of Sections 1 and 2 above on
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a medium customarily used for software interchange; or,</p>
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<p>b) Accompany it with a written offer, valid for at least three years, to
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give any third party, for a charge no more than your cost of physically
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performing source distribution, a complete machine-readable copy of the
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corresponding source code, to be distributed under the terms of Sections 1
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and 2 above on a medium customarily used for software interchange; or,</p>
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<p>c) Accompany it with the information you received as to the offer to
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distribute corresponding source code. (This alternative is allowed only for
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noncommercial distribution and only if you received the program in object
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code or executable form with such an offer, in accord with Subsection b
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above.)</p>
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<p>The source code for a work means the preferred form of the work for making
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modifications to it. For an executable work, complete source code means all
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the source code for all modules it contains, plus any associated interface
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definition files, plus the scripts used to control compilation and
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installation of the executable. However, as a special exception, the source
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code distributed need not include anything that is normally distributed (in
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either source or binary form) with the major components (compiler, kernel,
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and so on) of the operating system on which the executable runs, unless that
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component itself accompanies the executable.</p>
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<p>If distribution of executable or object code is made by offering access to
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copy from a designated place, then offering equivalent access to copy the
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source code from the same place counts as distribution of the source code,
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even though third parties are not compelled to copy the source along with the
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object code.</p>
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<p></p>
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<p>4. You may not copy, modify, sublicense, or distribute the Program except
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as expressly provided under this License. Any attempt otherwise to copy,
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modify, sublicense or distribute the Program is void, and will automatically
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terminate your rights under this License. However, parties who have received
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copies, or rights, from you under this License will not have their licenses
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terminated so long as such parties remain in full compliance.</p>
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<p></p>
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<p>5. You are not required to accept this License, since you have not signed
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it. However, nothing else grants you permission to modify or distribute the
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Program or its derivative works. These actions are prohibited by law if you
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do not accept this License. Therefore, by modifying or distributing the
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Program (or any work based on the Program), you indicate your acceptance of
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this License to do so, and all its terms and conditions for copying,
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distributing or modifying the Program or works based on it.</p>
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<p></p>
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<p>6. Each time you redistribute the Program (or any work based on the
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Program), the recipient automatically receives a license from the original
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licensor to copy, distribute or modify the Program subject to these terms and
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conditions. You may not impose any further restrictions on the recipients'
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exercise of the rights granted herein. You are not responsible for enforcing
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compliance by third parties to this License.</p>
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<p></p>
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<p>7. If, as a consequence of a court judgment or allegation of patent
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infringement or for any other reason (not limited to patent issues),
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conditions are imposed on you (whether by court order, agreement or
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otherwise) that contradict the conditions of this License, they do not excuse
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you from the conditions of this License. If you cannot distribute so as to
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satisfy simultaneously your obligations under this License and any other
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pertinent obligations, then as a consequence you may not distribute the
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Program at all. For example, if a patent license would not permit
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royalty-free redistribution of the Program by all those who receive copies
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directly or indirectly through you, then the only way you could satisfy both
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it and this License would be to refrain entirely from distribution of the
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Program.</p>
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<p>If any portion of this section is held invalid or unenforceable under any
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particular circumstance, the balance of the section is intended to apply and
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the section as a whole is intended to apply in other circumstances.</p>
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<p>It is not the purpose of this section to induce you to infringe any
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patents or other property right claims or to contest validity of any such
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claims; this section has the sole purpose of protecting the integrity of the
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free software distribution system, which is implemented by public license
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practices. Many people have made generous contributions to the wide range of
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software distributed through that system in reliance on consistent
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application of that system; it is up to the author/donor to decide if he or
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she is willing to distribute software through any other system and a licensee
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cannot impose that choice.</p>
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<p>This section is intended to make thoroughly clear what is believed to be a
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consequence of the rest of this License.</p>
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<p></p>
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<p>8. If the distribution and/or use of the Program is restricted in certain
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countries either by patents or by copyrighted interfaces, the original
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copyright holder who places the Program under this License may add an
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explicit geographical distribution limitation excluding those countries, so
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that distribution is permitted only in or among countries not thus excluded.
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In such case, this License incorporates the limitation as if written in the
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body of this License.</p>
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<p></p>
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<p>9. The Free Software Foundation may publish revised and/or new versions of
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the General Public License from time to time. Such new versions will be
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similar in spirit to the present version, but may differ in detail to address
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new problems or concerns.</p>
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<p>Each version is given a distinguishing version number. If the Program
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specifies a version number of this License which applies to it and "any later
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version", you have the option of following the terms and conditions either of
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that version or of any later version published by the Free Software
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Foundation. If the Program does not specify a version number of this License,
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you may choose any version ever published by the Free Software Foundation.</p>
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<p></p>
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<p>10. If you wish to incorporate parts of the Program into other free
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programs whose distribution conditions are different, write to the author to
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ask for permission. For software which is copyrighted by the Free Software
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Foundation, write to the Free Software Foundation; we sometimes make
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exceptions for this. Our decision will be guided by the two goals of
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preserving the free status of all derivatives of our free software and of
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promoting the sharing and reuse of software generally.</p>
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<p></p>
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<p>NO WARRANTY</p>
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<p>11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
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FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
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OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR
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IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO
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THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM
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PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
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CORRECTION.</p>
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<p></p>
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<p>12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
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INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
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OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO
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LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR
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THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
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PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGES.</p>
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<p>END OF TERMS AND CONDITIONS</p>
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