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+ GNU GENERAL PUBLIC LICENSE |
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+ Version 3, 29 June 2007 |
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+ |
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+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/> |
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+ Everyone is permitted to copy and distribute verbatim copies |
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+ of this license document, but changing it is not allowed. |
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+ |
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+ Preamble |
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+ |
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+ The GNU General Public License is a free, copyleft license for |
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+software and other kinds of works. |
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+ |
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+ The licenses for most software and other practical works are designed |
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+to take away your freedom to share and change the works. By contrast, |
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+the GNU General Public License is intended to guarantee your freedom to |
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+share and change all versions of a program--to make sure it remains free |
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+software for all its users. We, the Free Software Foundation, use the |
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+GNU General Public License for most of our software; it applies also to |
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+any other work released this way by its authors. You can apply it to |
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+your programs, too. |
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+ |
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+ When we speak of free software, we are referring to freedom, not |
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+price. Our General Public Licenses are designed to make sure that you |
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+have the freedom to distribute copies of free software (and charge for |
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+them if you wish), that you receive source code or can get it if you |
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+want it, that you can change the software or use pieces of it in new |
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+free programs, and that you know you can do these things. |
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+ |
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+ To protect your rights, we need to prevent others from denying you |
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+these rights or asking you to surrender the rights. Therefore, you have |
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+certain responsibilities if you distribute copies of the software, or if |
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+you modify it: responsibilities to respect the freedom of others. |
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+ |
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+ For example, if you distribute copies of such a program, whether |
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+gratis or for a fee, you must pass on to the recipients the same |
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+freedoms that you received. You must make sure that they, too, receive |
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+or can get the source code. And you must show them these terms so they |
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+know their rights. |
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+ |
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+ Developers that use the GNU GPL protect your rights with two steps: |
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+(1) assert copyright on the software, and (2) offer you this License |
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+giving you legal permission to copy, distribute and/or modify it. |
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+ |
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+ For the developers' and authors' protection, the GPL clearly explains |
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+that there is no warranty for this free software. For both users' and |
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+authors' sake, the GPL requires that modified versions be marked as |
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+changed, so that their problems will not be attributed erroneously to |
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+authors of previous versions. |
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+ |
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+ Some devices are designed to deny users access to install or run |
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+modified versions of the software inside them, although the manufacturer |
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+can do so. This is fundamentally incompatible with the aim of |
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+protecting users' freedom to change the software. The systematic |
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+pattern of such abuse occurs in the area of products for individuals to |
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+use, which is precisely where it is most unacceptable. Therefore, we |
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+have designed this version of the GPL to prohibit the practice for those |
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+products. If such problems arise substantially in other domains, we |
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+stand ready to extend this provision to those domains in future versions |
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+of the GPL, as needed to protect the freedom of users. |
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+ |
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+ Finally, every program is threatened constantly by software patents. |
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+States should not allow patents to restrict development and use of |
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+software on general-purpose computers, but in those that do, we wish to |
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+avoid the special danger that patents applied to a free program could |
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+make it effectively proprietary. To prevent this, the GPL assures that |
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+patents cannot be used to render the program non-free. |
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+ |
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+ The precise terms and conditions for copying, distribution and |
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+modification follow. |
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+ |
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+ TERMS AND CONDITIONS |
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+ |
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+ 0. Definitions. |
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+ |
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+ "This License" refers to version 3 of the GNU General Public License. |
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+ |
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+ "Copyright" also means copyright-like laws that apply to other kinds of |
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+works, such as semiconductor masks. |
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+ |
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+ "The Program" refers to any copyrightable work licensed under this |
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+License. Each licensee is addressed as "you". "Licensees" and |
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+"recipients" may be individuals or organizations. |
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+ |
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+ To "modify" a work means to copy from or adapt all or part of the work |