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0001 Most of Pology uses the following license: 0002 0003 GNU GENERAL PUBLIC LICENSE 0004 Version 3, 29 June 2007 0005 0006 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> 0007 Everyone is permitted to copy and distribute verbatim copies 0008 of this license document, but changing it is not allowed. 0009 0010 Preamble 0011 0012 The GNU General Public License is a free, copyleft license for 0013 software and other kinds of works. 0014 0015 The licenses for most software and other practical works are designed 0016 to take away your freedom to share and change the works. By contrast, 0017 the GNU General Public License is intended to guarantee your freedom to 0018 share and change all versions of a program--to make sure it remains free 0019 software for all its users. We, the Free Software Foundation, use the 0020 GNU General Public License for most of our software; it applies also to 0021 any other work released this way by its authors. You can apply it to 0022 your programs, too. 0023 0024 When we speak of free software, we are referring to freedom, not 0025 price. Our General Public Licenses are designed to make sure that you 0026 have the freedom to distribute copies of free software (and charge for 0027 them if you wish), that you receive source code or can get it if you 0028 want it, that you can change the software or use pieces of it in new 0029 free programs, and that you know you can do these things. 0030 0031 To protect your rights, we need to prevent others from denying you 0032 these rights or asking you to surrender the rights. Therefore, you have 0033 certain responsibilities if you distribute copies of the software, or if 0034 you modify it: responsibilities to respect the freedom of others. 0035 0036 For example, if you distribute copies of such a program, whether 0037 gratis or for a fee, you must pass on to the recipients the same 0038 freedoms that you received. You must make sure that they, too, receive 0039 or can get the source code. And you must show them these terms so they 0040 know their rights. 0041 0042 Developers that use the GNU GPL protect your rights with two steps: 0043 (1) assert copyright on the software, and (2) offer you this License 0044 giving you legal permission to copy, distribute and/or modify it. 0045 0046 For the developers' and authors' protection, the GPL clearly explains 0047 that there is no warranty for this free software. For both users' and 0048 authors' sake, the GPL requires that modified versions be marked as 0049 changed, so that their problems will not be attributed erroneously to 0050 authors of previous versions. 0051 0052 Some devices are designed to deny users access to install or run 0053 modified versions of the software inside them, although the manufacturer 0054 can do so. This is fundamentally incompatible with the aim of 0055 protecting users' freedom to change the software. The systematic 0056 pattern of such abuse occurs in the area of products for individuals to 0057 use, which is precisely where it is most unacceptable. Therefore, we 0058 have designed this version of the GPL to prohibit the practice for those 0059 products. If such problems arise substantially in other domains, we 0060 stand ready to extend this provision to those domains in future versions 0061 of the GPL, as needed to protect the freedom of users. 0062 0063 Finally, every program is threatened constantly by software patents. 0064 States should not allow patents to restrict development and use of 0065 software on general-purpose computers, but in those that do, we wish to 0066 avoid the special danger that patents applied to a free program could 0067 make it effectively proprietary. To prevent this, the GPL assures that 0068 patents cannot be used to render the program non-free. 0069 0070 The precise terms and conditions for copying, distribution and 0071 modification follow. 0072 0073 TERMS AND CONDITIONS 0074 0075 0. Definitions. 0076 0077 "This License" refers to version 3 of the GNU General Public License. 0078 0079 "Copyright" also means copyright-like laws that apply to other kinds of 0080 works, such as semiconductor masks. 0081 0082 "The Program" refers to any copyrightable work licensed under this 0083 License. Each licensee is addressed as "you". "Licensees" and 0084 "recipients" may be individuals or organizations. 0085 0086 To "modify" a work means to copy from or adapt all or part of the work 0087 in a fashion requiring copyright permission, other than the making of an 0088 exact copy. 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If your rights have been terminated and not permanently 0434 reinstated, you do not qualify to receive new licenses for the same 0435 material under section 10. 0436 0437 9. Acceptance Not Required for Having Copies. 0438 0439 You are not required to accept this License in order to receive or 0440 run a copy of the Program. Ancillary propagation of a covered work 0441 occurring solely as a consequence of using peer-to-peer transmission 0442 to receive a copy likewise does not require acceptance. However, 0443 nothing other than this License grants you permission to propagate or 0444 modify any covered work. These actions infringe copyright if you do 0445 not accept this License. Therefore, by modifying or propagating a 0446 covered work, you indicate your acceptance of this License to do so. 0447 0448 10. Automatic Licensing of Downstream Recipients. 0449 0450 Each time you convey a covered work, the recipient automatically 0451 receives a license from the original licensors, to run, modify and 0452 propagate that work, subject to this License. You are not responsible 0453 for enforcing compliance by third parties with this License. 0454 0455 An "entity transaction" is a transaction transferring control of an 0456 organization, or substantially all assets of one, or subdividing an 0457 organization, or merging organizations. 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Patents. 0474 0475 A "contributor" is a copyright holder who authorizes use under this 0476 License of the Program or a work on which the Program is based. The 0477 work thus licensed is called the contributor's "contributor version". 0478 0479 A contributor's "essential patent claims" are all patent claims 0480 owned or controlled by the contributor, whether already acquired or 0481 hereafter acquired, that would be infringed by some manner, permitted 0482 by this License, of making, using, or selling its contributor version, 0483 but do not include claims that would be infringed only as a 0484 consequence of further modification of the contributor version. For 0485 purposes of this definition, "control" includes the right to grant 0486 patent sublicenses in a manner consistent with the requirements of 0487 this License. 0488 0489 Each contributor grants you a non-exclusive, worldwide, royalty-free 0490 patent license under the contributor's essential patent claims, to 0491 make, use, sell, offer for sale, import and otherwise run, modify and 0492 propagate the contents of its contributor version. 0493 0494 In the following three paragraphs, a "patent license" is any express 0495 agreement or commitment, however denominated, not to enforce a patent 0496 (such as an express permission to practice a patent or covenant not to 0497 sue for patent infringement). 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"Knowingly relying" means you have 0510 actual knowledge that, but for the patent license, your conveying the 0511 covered work in a country, or your recipient's use of the covered work 0512 in a country, would infringe one or more identifiable patents in that 0513 country that you have reason to believe are valid. 0514 0515 If, pursuant to or in connection with a single transaction or 0516 arrangement, you convey, or propagate by procuring conveyance of, a 0517 covered work, and grant a patent license to some of the parties 0518 receiving the covered work authorizing them to use, propagate, modify 0519 or convey a specific copy of the covered work, then the patent license 0520 you grant is automatically extended to all recipients of the covered 0521 work and works based on it. 0522 0523 A patent license is "discriminatory" if it does not include within 0524 the scope of its coverage, prohibits the exercise of, or is 0525 conditioned on the non-exercise of one or more of the rights that are 0526 specifically granted under this License. You may not convey a covered 0527 work if you are a party to an arrangement with a third party that is 0528 in the business of distributing software, under which you make payment 0529 to the third party based on the extent of your activity of conveying 0530 the work, and under which the third party grants, to any of the 0531 parties who would receive the covered work from you, a discriminatory 0532 patent license (a) in connection with copies of the covered work 0533 conveyed by you (or copies made from those copies), or (b) primarily 0534 for and in connection with specific products or compilations that 0535 contain the covered work, unless you entered into that arrangement, 0536 or that patent license was granted, prior to 28 March 2007. 0537 0538 Nothing in this License shall be construed as excluding or limiting 0539 any implied license or other defenses to infringement that may 0540 otherwise be available to you under applicable patent law. 0541 0542 12. No Surrender of Others' Freedom. 0543 0544 If conditions are imposed on you (whether by court order, agreement or 0545 otherwise) that contradict the conditions of this License, they do not 0546 excuse you from the conditions of this License. If you cannot convey a 0547 covered work so as to satisfy simultaneously your obligations under this 0548 License and any other pertinent obligations, then as a consequence you may 0549 not convey it at all. For example, if you agree to terms that obligate you 0550 to collect a royalty for further conveying from those to whom you convey 0551 the Program, the only way you could satisfy both those terms and this 0552 License would be to refrain entirely from conveying the Program. 0553 0554 13. Use with the GNU Affero General Public License. 0555 0556 Notwithstanding any other provision of this License, you have 0557 permission to link or combine any covered work with a work licensed 0558 under version 3 of the GNU Affero General Public License into a single 0559 combined work, and to convey the resulting work. The terms of this 0560 License will continue to apply to the part which is the covered work, 0561 but the special requirements of the GNU Affero General Public License, 0562 section 13, concerning interaction through a network will apply to the 0563 combination as such. 0564 0565 14. Revised Versions of this License. 0566 0567 The Free Software Foundation may publish revised and/or new versions of 0568 the GNU General Public License from time to time. Such new versions will 0569 be similar in spirit to the present version, but may differ in detail to 0570 address new problems or concerns. 0571 0572 Each version is given a distinguishing version number. If the 0573 Program specifies that a certain numbered version of the GNU General 0574 Public License "or any later version" applies to it, you have the 0575 option of following the terms and conditions either of that numbered 0576 version or of any later version published by the Free Software 0577 Foundation. If the Program does not specify a version number of the 0578 GNU General Public License, you may choose any version ever published 0579 by the Free Software Foundation. 0580 0581 If the Program specifies that a proxy can decide which future 0582 versions of the GNU General Public License can be used, that proxy's 0583 public statement of acceptance of a version permanently authorizes you 0584 to choose that version for the Program. 0585 0586 Later license versions may give you additional or different 0587 permissions. However, no additional obligations are imposed on any 0588 author or copyright holder as a result of your choosing to follow a 0589 later version. 0590 0591 15. Disclaimer of Warranty. 0592 0593 THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 0594 APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 0595 HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 0596 OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 0597 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 0598 PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 0599 IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 0600 ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 0601 0602 16. Limitation of Liability. 0603 0604 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 0605 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 0606 THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 0607 GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 0608 USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 0609 DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 0610 PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 0611 EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 0612 SUCH DAMAGES. 0613 0614 17. Interpretation of Sections 15 and 16. 0615 0616 If the disclaimer of warranty and limitation of liability provided 0617 above cannot be given local legal effect according to their terms, 0618 reviewing courts shall apply local law that most closely approximates 0619 an absolute waiver of all civil liability in connection with the 0620 Program, unless a warranty or assumption of liability accompanies a 0621 copy of the Program in return for a fee. 0622 0623 END OF TERMS AND CONDITIONS 0624 0625 How to Apply These Terms to Your New Programs 0626 0627 If you develop a new program, and you want it to be of the greatest 0628 possible use to the public, the best way to achieve this is to make it 0629 free software which everyone can redistribute and change under these terms. 0630 0631 To do so, attach the following notices to the program. It is safest 0632 to attach them to the start of each source file to most effectively 0633 state the exclusion of warranty; and each file should have at least 0634 the "copyright" line and a pointer to where the full notice is found. 0635 0636 <one line to give the program's name and a brief idea of what it does.> 0637 Copyright (C) <year> <name of author> 0638 0639 This program is free software: you can redistribute it and/or modify 0640 it under the terms of the GNU General Public License as published by 0641 the Free Software Foundation, either version 3 of the License, or 0642 (at your option) any later version. 0643 0644 This program is distributed in the hope that it will be useful, 0645 but WITHOUT ANY WARRANTY; without even the implied warranty of 0646 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0647 GNU General Public License for more details. 0648 0649 You should have received a copy of the GNU General Public License 0650 along with this program. If not, see <http://www.gnu.org/licenses/>. 0651 0652 Also add information on how to contact you by electronic and paper mail. 0653 0654 If the program does terminal interaction, make it output a short 0655 notice like this when it starts in an interactive mode: 0656 0657 <program> Copyright (C) <year> <name of author> 0658 This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 0659 This is free software, and you are welcome to redistribute it 0660 under certain conditions; type `show c' for details. 0661 0662 The hypothetical commands `show w' and `show c' should show the appropriate 0663 parts of the General Public License. Of course, your program's commands 0664 might be different; for a GUI interface, you would use an "about box". 0665 0666 You should also get your employer (if you work as a programmer) or school, 0667 if any, to sign a "copyright disclaimer" for the program, if necessary. 0668 For more information on this, and how to apply and follow the GNU GPL, see 0669 <http://www.gnu.org/licenses/>. 0670 0671 The GNU General Public License does not permit incorporating your program 0672 into proprietary programs. If your program is a subroutine library, you 0673 may consider it more useful to permit linking proprietary applications with 0674 the library. If this is what you want to do, use the GNU Lesser General 0675 Public License instead of this License. But first, please read 0676 <http://www.gnu.org/philosophy/why-not-lgpl.html>.