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author Igor Chubin <igor@chub.in>
date Mon Apr 05 21:34:55 2010 +0300 (2010-04-05)
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igor@10 1 GNU GENERAL PUBLIC LICENSE
igor@10 2 Version 3, 29 June 2007
igor@10 3
igor@10 4 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
igor@10 5 Everyone is permitted to copy and distribute verbatim copies
igor@10 6 of this license document, but changing it is not allowed.
igor@10 7
igor@10 8 Preamble
igor@10 9
igor@10 10 The GNU General Public License is a free, copyleft license for
igor@10 11 software and other kinds of works.
igor@10 12
igor@10 13 The licenses for most software and other practical works are designed
igor@10 14 to take away your freedom to share and change the works. By contrast,
igor@10 15 the GNU General Public License is intended to guarantee your freedom to
igor@10 16 share and change all versions of a program--to make sure it remains free
igor@10 17 software for all its users. We, the Free Software Foundation, use the
igor@10 18 GNU General Public License for most of our software; it applies also to
igor@10 19 any other work released this way by its authors. You can apply it to
igor@10 20 your programs, too.
igor@10 21
igor@10 22 When we speak of free software, we are referring to freedom, not
igor@10 23 price. Our General Public Licenses are designed to make sure that you
igor@10 24 have the freedom to distribute copies of free software (and charge for
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igor@10 26 want it, that you can change the software or use pieces of it in new
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igor@10 29 To protect your rights, we need to prevent others from denying you
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igor@10 31 certain responsibilities if you distribute copies of the software, or if
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igor@10 33
igor@10 34 For example, if you distribute copies of such a program, whether
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igor@10 37 or can get the source code. And you must show them these terms so they
igor@10 38 know their rights.
igor@10 39
igor@10 40 Developers that use the GNU GPL protect your rights with two steps:
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igor@10 43
igor@10 44 For the developers' and authors' protection, the GPL clearly explains
igor@10 45 that there is no warranty for this free software. For both users' and
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igor@10 50 Some devices are designed to deny users access to install or run
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igor@10 71 TERMS AND CONDITIONS
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igor@10 73 0. Definitions.
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igor@10 75 "This License" refers to version 3 of the GNU General Public License.
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igor@10 77 "Copyright" also means copyright-like laws that apply to other kinds of
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igor@10 80 "The Program" refers to any copyrightable work licensed under this
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igor@10 84 To "modify" a work means to copy from or adapt all or part of the work
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igor@10 89 A "covered work" means either the unmodified Program or a work based
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igor@10 476
igor@10 477 A contributor's "essential patent claims" are all patent claims
igor@10 478 owned or controlled by the contributor, whether already acquired or
igor@10 479 hereafter acquired, that would be infringed by some manner, permitted
igor@10 480 by this License, of making, using, or selling its contributor version,
igor@10 481 but do not include claims that would be infringed only as a
igor@10 482 consequence of further modification of the contributor version. For
igor@10 483 purposes of this definition, "control" includes the right to grant
igor@10 484 patent sublicenses in a manner consistent with the requirements of
igor@10 485 this License.
igor@10 486
igor@10 487 Each contributor grants you a non-exclusive, worldwide, royalty-free
igor@10 488 patent license under the contributor's essential patent claims, to
igor@10 489 make, use, sell, offer for sale, import and otherwise run, modify and
igor@10 490 propagate the contents of its contributor version.
igor@10 491
igor@10 492 In the following three paragraphs, a "patent license" is any express
igor@10 493 agreement or commitment, however denominated, not to enforce a patent
igor@10 494 (such as an express permission to practice a patent or covenant not to
igor@10 495 sue for patent infringement). To "grant" such a patent license to a
igor@10 496 party means to make such an agreement or commitment not to enforce a
igor@10 497 patent against the party.
igor@10 498
igor@10 499 If you convey a covered work, knowingly relying on a patent license,
igor@10 500 and the Corresponding Source of the work is not available for anyone
igor@10 501 to copy, free of charge and under the terms of this License, through a
igor@10 502 publicly available network server or other readily accessible means,
igor@10 503 then you must either (1) cause the Corresponding Source to be so
igor@10 504 available, or (2) arrange to deprive yourself of the benefit of the
igor@10 505 patent license for this particular work, or (3) arrange, in a manner
igor@10 506 consistent with the requirements of this License, to extend the patent
igor@10 507 license to downstream recipients. "Knowingly relying" means you have
igor@10 508 actual knowledge that, but for the patent license, your conveying the
igor@10 509 covered work in a country, or your recipient's use of the covered work
igor@10 510 in a country, would infringe one or more identifiable patents in that
igor@10 511 country that you have reason to believe are valid.
igor@10 512
igor@10 513 If, pursuant to or in connection with a single transaction or
igor@10 514 arrangement, you convey, or propagate by procuring conveyance of, a
igor@10 515 covered work, and grant a patent license to some of the parties
igor@10 516 receiving the covered work authorizing them to use, propagate, modify
igor@10 517 or convey a specific copy of the covered work, then the patent license
igor@10 518 you grant is automatically extended to all recipients of the covered
igor@10 519 work and works based on it.
igor@10 520
igor@10 521 A patent license is "discriminatory" if it does not include within
igor@10 522 the scope of its coverage, prohibits the exercise of, or is
igor@10 523 conditioned on the non-exercise of one or more of the rights that are
igor@10 524 specifically granted under this License. You may not convey a covered
igor@10 525 work if you are a party to an arrangement with a third party that is
igor@10 526 in the business of distributing software, under which you make payment
igor@10 527 to the third party based on the extent of your activity of conveying
igor@10 528 the work, and under which the third party grants, to any of the
igor@10 529 parties who would receive the covered work from you, a discriminatory
igor@10 530 patent license (a) in connection with copies of the covered work
igor@10 531 conveyed by you (or copies made from those copies), or (b) primarily
igor@10 532 for and in connection with specific products or compilations that
igor@10 533 contain the covered work, unless you entered into that arrangement,
igor@10 534 or that patent license was granted, prior to 28 March 2007.
igor@10 535
igor@10 536 Nothing in this License shall be construed as excluding or limiting
igor@10 537 any implied license or other defenses to infringement that may
igor@10 538 otherwise be available to you under applicable patent law.
igor@10 539
igor@10 540 12. No Surrender of Others' Freedom.
igor@10 541
igor@10 542 If conditions are imposed on you (whether by court order, agreement or
igor@10 543 otherwise) that contradict the conditions of this License, they do not
igor@10 544 excuse you from the conditions of this License. If you cannot convey a
igor@10 545 covered work so as to satisfy simultaneously your obligations under this
igor@10 546 License and any other pertinent obligations, then as a consequence you may
igor@10 547 not convey it at all. For example, if you agree to terms that obligate you
igor@10 548 to collect a royalty for further conveying from those to whom you convey
igor@10 549 the Program, the only way you could satisfy both those terms and this
igor@10 550 License would be to refrain entirely from conveying the Program.
igor@10 551
igor@10 552 13. Use with the GNU Affero General Public License.
igor@10 553
igor@10 554 Notwithstanding any other provision of this License, you have
igor@10 555 permission to link or combine any covered work with a work licensed
igor@10 556 under version 3 of the GNU Affero General Public License into a single
igor@10 557 combined work, and to convey the resulting work. The terms of this
igor@10 558 License will continue to apply to the part which is the covered work,
igor@10 559 but the special requirements of the GNU Affero General Public License,
igor@10 560 section 13, concerning interaction through a network will apply to the
igor@10 561 combination as such.
igor@10 562
igor@10 563 14. Revised Versions of this License.
igor@10 564
igor@10 565 The Free Software Foundation may publish revised and/or new versions of
igor@10 566 the GNU General Public License from time to time. Such new versions will
igor@10 567 be similar in spirit to the present version, but may differ in detail to
igor@10 568 address new problems or concerns.
igor@10 569
igor@10 570 Each version is given a distinguishing version number. If the
igor@10 571 Program specifies that a certain numbered version of the GNU General
igor@10 572 Public License "or any later version" applies to it, you have the
igor@10 573 option of following the terms and conditions either of that numbered
igor@10 574 version or of any later version published by the Free Software
igor@10 575 Foundation. If the Program does not specify a version number of the
igor@10 576 GNU General Public License, you may choose any version ever published
igor@10 577 by the Free Software Foundation.
igor@10 578
igor@10 579 If the Program specifies that a proxy can decide which future
igor@10 580 versions of the GNU General Public License can be used, that proxy's
igor@10 581 public statement of acceptance of a version permanently authorizes you
igor@10 582 to choose that version for the Program.
igor@10 583
igor@10 584 Later license versions may give you additional or different
igor@10 585 permissions. However, no additional obligations are imposed on any
igor@10 586 author or copyright holder as a result of your choosing to follow a
igor@10 587 later version.
igor@10 588
igor@10 589 15. Disclaimer of Warranty.
igor@10 590
igor@10 591 THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
igor@10 592 APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
igor@10 593 HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
igor@10 594 OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
igor@10 595 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
igor@10 596 PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
igor@10 597 IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
igor@10 598 ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
igor@10 599
igor@10 600 16. Limitation of Liability.
igor@10 601
igor@10 602 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
igor@10 603 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
igor@10 604 THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
igor@10 605 GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
igor@10 606 USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
igor@10 607 DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
igor@10 608 PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
igor@10 609 EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
igor@10 610 SUCH DAMAGES.
igor@10 611
igor@10 612 17. Interpretation of Sections 15 and 16.
igor@10 613
igor@10 614 If the disclaimer of warranty and limitation of liability provided
igor@10 615 above cannot be given local legal effect according to their terms,
igor@10 616 reviewing courts shall apply local law that most closely approximates
igor@10 617 an absolute waiver of all civil liability in connection with the
igor@10 618 Program, unless a warranty or assumption of liability accompanies a
igor@10 619 copy of the Program in return for a fee.
igor@10 620
igor@10 621 END OF TERMS AND CONDITIONS
igor@10 622
igor@10 623 How to Apply These Terms to Your New Programs
igor@10 624
igor@10 625 If you develop a new program, and you want it to be of the greatest
igor@10 626 possible use to the public, the best way to achieve this is to make it
igor@10 627 free software which everyone can redistribute and change under these terms.
igor@10 628
igor@10 629 To do so, attach the following notices to the program. It is safest
igor@10 630 to attach them to the start of each source file to most effectively
igor@10 631 state the exclusion of warranty; and each file should have at least
igor@10 632 the "copyright" line and a pointer to where the full notice is found.
igor@10 633
igor@10 634 <one line to give the program's name and a brief idea of what it does.>
igor@10 635 Copyright (C) <year> <name of author>
igor@10 636
igor@10 637 This program is free software: you can redistribute it and/or modify
igor@10 638 it under the terms of the GNU General Public License as published by
igor@10 639 the Free Software Foundation, either version 3 of the License, or
igor@10 640 (at your option) any later version.
igor@10 641
igor@10 642 This program is distributed in the hope that it will be useful,
igor@10 643 but WITHOUT ANY WARRANTY; without even the implied warranty of
igor@10 644 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
igor@10 645 GNU General Public License for more details.
igor@10 646
igor@10 647 You should have received a copy of the GNU General Public License
igor@10 648 along with this program. If not, see <http://www.gnu.org/licenses/>.
igor@10 649
igor@10 650 Also add information on how to contact you by electronic and paper mail.
igor@10 651
igor@10 652 If the program does terminal interaction, make it output a short
igor@10 653 notice like this when it starts in an interactive mode:
igor@10 654
igor@10 655 <program> Copyright (C) <year> <name of author>
igor@10 656 This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
igor@10 657 This is free software, and you are welcome to redistribute it
igor@10 658 under certain conditions; type `show c' for details.
igor@10 659
igor@10 660 The hypothetical commands `show w' and `show c' should show the appropriate
igor@10 661 parts of the General Public License. Of course, your program's commands
igor@10 662 might be different; for a GUI interface, you would use an "about box".
igor@10 663
igor@10 664 You should also get your employer (if you work as a programmer) or school,
igor@10 665 if any, to sign a "copyright disclaimer" for the program, if necessary.
igor@10 666 For more information on this, and how to apply and follow the GNU GPL, see
igor@10 667 <http://www.gnu.org/licenses/>.
igor@10 668
igor@10 669 The GNU General Public License does not permit incorporating your program
igor@10 670 into proprietary programs. If your program is a subroutine library, you
igor@10 671 may consider it more useful to permit linking proprietary applications with
igor@10 672 the library. If this is what you want to do, use the GNU Lesser General
igor@10 673 Public License instead of this License. But first, please read
igor@10 674 <http://www.gnu.org/philosophy/why-not-lgpl.html>.