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trunk/COPYING
r1102 r1107 1 1 GNU GENERAL PUBLIC LICENSE 2 Version 2, June 1991 3 4 Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 2 Version 3, 29 June 2007 3 4 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> 6 5 Everyone is permitted to copy and distribute verbatim copies 7 6 of this license document, but changing it is not allowed. … … 9 8 Preamble 10 9 11 The licenses for most software are designed to take away your 12 freedom to share and change it. By contrast, the GNU General Public 13 License is intended to guarantee your freedom to share and change free 14 software--to make sure the software is free for all its users. This 15 General Public License applies to most of the Free Software 16 Foundation's software and to any other program whose authors commit to 17 using it. (Some other Free Software Foundation software is covered by 18 the GNU Lesser General Public License instead.) You can apply it to 10 The GNU General Public License is a free, copyleft license for 11 software and other kinds of works. 12 13 The licenses for most software and other practical works are designed 14 to take away your freedom to share and change the works. By contrast, 15 the GNU General Public License is intended to guarantee your freedom to 16 share and change all versions of a program--to make sure it remains free 17 software for all its users. We, the Free Software Foundation, use the 18 GNU General Public License for most of our software; it applies also to 19 any other work released this way by its authors. You can apply it to 19 20 your programs, too. 20 21 … … 22 23 price. Our General Public Licenses are designed to make sure that you 23 24 have the freedom to distribute copies of free software (and charge for 24 th is service if you wish), that you receive source code or can get it25 if you want it, that you can change the software or use pieces of it 26 in new free programs;and that you know you can do these things.27 28 To protect your rights, we need to make restrictions that forbid29 anyone to deny you these rights or to ask you to surrender the rights. 30 These restrictions translate to certain responsibilities for you if you 31 distribute copies of the software, or if you modify it.25 them if you wish), that you receive source code or can get it if you 26 want it, that you can change the software or use pieces of it in new 27 free programs, and that you know you can do these things. 28 29 To protect your rights, we need to prevent others from denying you 30 these rights or asking you to surrender the rights. Therefore, you have 31 certain responsibilities if you distribute copies of the software, or if 32 you modify it: responsibilities to respect the freedom of others. 32 33 33 34 For example, if you distribute copies of such a program, whether 34 gratis or for a fee, you must give the recipients all the rights that 35 you have. You must make sure that they, too, receive or can get the 36 source code. And you must show them these terms so they know their 37 rights. 38 39 We protect your rights with two steps: (1) copyright the software, and 40 (2) offer you this license which gives you legal permission to copy, 41 distribute and/or modify the software. 42 43 Also, for each author's protection and ours, we want to make certain 44 that everyone understands that there is no warranty for this free 45 software. If the software is modified by someone else and passed on, we 46 want its recipients to know that what they have is not the original, so 47 that any problems introduced by others will not reflect on the original 48 authors' reputations. 49 50 Finally, any free program is threatened constantly by software 51 patents. We wish to avoid the danger that redistributors of a free 52 program will individually obtain patent licenses, in effect making the 53 program proprietary. To prevent this, we have made it clear that any 54 patent must be licensed for everyone's free use or not licensed at all. 35 gratis or for a fee, you must pass on to the recipients the same 36 freedoms that you received. You must make sure that they, too, receive 37 or can get the source code. And you must show them these terms so they 38 know their rights. 39 40 Developers that use the GNU GPL protect your rights with two steps: 41 (1) assert copyright on the software, and (2) offer you this License 42 giving you legal permission to copy, distribute and/or modify it. 43 44 For the developers' and authors' protection, the GPL clearly explains 45 that there is no warranty for this free software. For both users' and 46 authors' sake, the GPL requires that modified versions be marked as 47 changed, so that their problems will not be attributed erroneously to 48 authors of previous versions. 49 50 Some devices are designed to deny users access to install or run 51 modified versions of the software inside them, although the manufacturer 52 can do so. This is fundamentally incompatible with the aim of 53 protecting users' freedom to change the software. The systematic 54 pattern of such abuse occurs in the area of products for individuals to 55 use, which is precisely where it is most unacceptable. Therefore, we 56 have designed this version of the GPL to prohibit the practice for those 57 products. If such problems arise substantially in other domains, we 58 stand ready to extend this provision to those domains in future versions 59 of the GPL, as needed to protect the freedom of users. 60 61 Finally, every program is threatened constantly by software patents. 62 States should not allow patents to restrict development and use of 63 software on general-purpose computers, but in those that do, we wish to 64 avoid the special danger that patents applied to a free program could 65 make it effectively proprietary. To prevent this, the GPL assures that 66 patents cannot be used to render the program non-free. 55 67 56 68 The precise terms and conditions for copying, distribution and 57 69 modification follow. 58 70 59 GNU GENERAL PUBLIC LICENSE 60 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 61 62 0. This License applies to any program or other work which contains 63 a notice placed by the copyright holder saying it may be distributed 64 under the terms of this General Public License. The "Program", below, 65 refers to any such program or work, and a "work based on the Program" 66 means either the Program or any derivative work under copyright law: 67 that is to say, a work containing the Program or a portion of it, 68 either verbatim or with modifications and/or translated into another 69 language. (Hereinafter, translation is included without limitation in 70 the term "modification".) Each licensee is addressed as "you". 71 72 Activities other than copying, distribution and modification are not 73 covered by this License; they are outside its scope. The act of 74 running the Program is not restricted, and the output from the Program 75 is covered only if its contents constitute a work based on the 76 Program (independent of having been made by running the Program). 77 Whether that is true depends on what the Program does. 78 79 1. You may copy and distribute verbatim copies of the Program's 80 source code as you receive it, in any medium, provided that you 81 conspicuously and appropriately publish on each copy an appropriate 82 copyright notice and disclaimer of warranty; keep intact all the 83 notices that refer to this License and to the absence of any warranty; 84 and give any other recipients of the Program a copy of this License 85 along with the Program. 86 87 You may charge a fee for the physical act of transferring a copy, and 88 you may at your option offer warranty protection in exchange for a fee. 89 90 2. 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You may not convey a covered 525 work if you are a party to an arrangement with a third party that is 526 in the business of distributing software, under which you make payment 527 to the third party based on the extent of your activity of conveying 528 the work, and under which the third party grants, to any of the 529 parties who would receive the covered work from you, a discriminatory 530 patent license (a) in connection with copies of the covered work 531 conveyed by you (or copies made from those copies), or (b) primarily 532 for and in connection with specific products or compilations that 533 contain the covered work, unless you entered into that arrangement, 534 or that patent license was granted, prior to 28 March 2007. 535 536 Nothing in this License shall be construed as excluding or limiting 537 any implied license or other defenses to infringement that may 538 otherwise be available to you under applicable patent law. 539 540 12. No Surrender of Others' Freedom. 541 542 If conditions are imposed on you (whether by court order, agreement or 200 543 otherwise) that contradict the conditions of this License, they do not 201 excuse you from the conditions of this License. If you cannot 202 distribute so as to satisfy simultaneously your obligations under this 203 License and any other pertinent obligations, then as a consequence you 204 may not distribute the Program at all. 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Many people have made 220 generous contributions to the wide range of software distributed 221 through that system in reliance on consistent application of that 222 system; it is up to the author/donor to decide if he or she is willing 223 to distribute software through any other system and a licensee cannot 224 impose that choice. 225 226 This section is intended to make thoroughly clear what is believed to 227 be a consequence of the rest of this License. 228 229 8. If the distribution and/or use of the Program is restricted in 230 certain countries either by patents or by copyrighted interfaces, the 231 original copyright holder who places the Program under this License 232 may add an explicit geographical distribution limitation excluding 233 those countries, so that distribution is permitted only in or among 234 countries not thus excluded. In such case, this License incorporates 235 the limitation as if written in the body of this License. 236 237 9. The Free Software Foundation may publish revised and/or new versions 238 of the General Public License from time to time. Such new versions will 544 excuse you from the conditions of this License. If you cannot convey a 545 covered work so as to satisfy simultaneously your obligations under this 546 License and any other pertinent obligations, then as a consequence you may 547 not convey it at all. For example, if you agree to terms that obligate you 548 to collect a royalty for further conveying from those to whom you convey 549 the Program, the only way you could satisfy both those terms and this 550 License would be to refrain entirely from conveying the Program. 551 552 13. Use with the GNU Affero General Public License. 553 554 Notwithstanding any other provision of this License, you have 555 permission to link or combine any covered work with a work licensed 556 under version 3 of the GNU Affero General Public License into a single 557 combined work, and to convey the resulting work. The terms of this 558 License will continue to apply to the part which is the covered work, 559 but the special requirements of the GNU Affero General Public License, 560 section 13, concerning interaction through a network will apply to the 561 combination as such. 562 563 14. Revised Versions of this License. 564 565 The Free Software Foundation may publish revised and/or new versions of 566 the GNU General Public License from time to time. Such new versions will 239 567 be similar in spirit to the present version, but may differ in detail to 240 568 address new problems or concerns. 241 569 242 Each version is given a distinguishing version number. If the Program 243 specifies a version number of this License which applies to it and "any 244 later version", you have the option of following the terms and conditions 245 either of that version or of any later version published by the Free 246 Software Foundation. If the Program does not specify a version number of 247 this License, you may choose any version ever published by the Free Software 248 Foundation. 249 250 10. If you wish to incorporate parts of the Program into other free 251 programs whose distribution conditions are different, write to the author 252 to ask for permission. For software which is copyrighted by the Free 253 Software Foundation, write to the Free Software Foundation; we sometimes 254 make exceptions for this. Our decision will be guided by the two goals 255 of preserving the free status of all derivatives of our free software and 256 of promoting the sharing and reuse of software generally. 257 258 NO WARRANTY 259 260 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY 261 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN 262 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES 263 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED 264 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 265 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS 266 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE 267 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, 268 REPAIR OR CORRECTION. 269 270 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 271 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR 272 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, 273 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING 274 OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED 275 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY 276 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER 277 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE 278 POSSIBILITY OF SUCH DAMAGES. 570 Each version is given a distinguishing version number. If the 571 Program specifies that a certain numbered version of the GNU General 572 Public License "or any later version" applies to it, you have the 573 option of following the terms and conditions either of that numbered 574 version or of any later version published by the Free Software 575 Foundation. If the Program does not specify a version number of the 576 GNU General Public License, you may choose any version ever published 577 by the Free Software Foundation. 578 579 If the Program specifies that a proxy can decide which future 580 versions of the GNU General Public License can be used, that proxy's 581 public statement of acceptance of a version permanently authorizes you 582 to choose that version for the Program. 583 584 Later license versions may give you additional or different 585 permissions. However, no additional obligations are imposed on any 586 author or copyright holder as a result of your choosing to follow a 587 later version. 588 589 15. Disclaimer of Warranty. 590 591 THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 600 16. Limitation of Liability. 601 602 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 SUCH DAMAGES. 611 612 17. Interpretation of Sections 15 and 16. 613 614 If the disclaimer of warranty and limitation of liability provided 615 above cannot be given local legal effect according to their terms, 616 reviewing courts shall apply local law that most closely approximates 617 an absolute waiver of all civil liability in connection with the 618 Program, unless a warranty or assumption of liability accompanies a 619 copy of the Program in return for a fee. 279 620 280 621 END OF TERMS AND CONDITIONS … … 288 629 To do so, attach the following notices to the program. It is safest 289 630 to attach them to the start of each source file to most effectively 290 conveythe exclusion of warranty; and each file should have at least631 state the exclusion of warranty; and each file should have at least 291 632 the "copyright" line and a pointer to where the full notice is found. 292 633 … … 294 635 Copyright (C) <year> <name of author> 295 636 296 This program is free software ;you can redistribute it and/or modify637 This program is free software: you can redistribute it and/or modify 297 638 it under the terms of the GNU General Public License as published by 298 the Free Software Foundation ; either version 2of the License, or639 the Free Software Foundation, either version 3 of the License, or 299 640 (at your option) any later version. 300 641 … … 304 645 GNU General Public License for more details. 305 646 306 You should have received a copy of the GNU General Public License along 307 with this program; if not, write to the Free Software Foundation, Inc., 308 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 647 You should have received a copy of the GNU General Public License 648 along with this program. If not, see <http://www.gnu.org/licenses/>. 309 649 310 650 Also add information on how to contact you by electronic and paper mail. 311 651 312 If the program is interactive, make it output a short notice like this 313 when it starts in an interactive mode:314 315 Gnomovision version 69, Copyright (C) year name of author316 Gnomovisioncomes with ABSOLUTELY NO WARRANTY; for details type `show w'.652 If the program does terminal interaction, make it output a short 653 notice like this when it starts in an interactive mode: 654 655 <program> Copyright (C) <year> <name of author> 656 This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 317 657 This is free software, and you are welcome to redistribute it 318 658 under certain conditions; type `show c' for details. 319 659 320 660 The hypothetical commands `show w' and `show c' should show the appropriate 321 parts of the General Public License. Of course, the commands you use may 322 be called something other than `show w' and `show c'; they could even be 323 mouse-clicks or menu items--whatever suits your program. 324 325 You should also get your employer (if you work as a programmer) or your 326 school, if any, to sign a "copyright disclaimer" for the program, if 327 necessary. Here is a sample; alter the names: 328 329 Yoyodyne, Inc., hereby disclaims all copyright interest in the program 330 `Gnomovision' (which makes passes at compilers) written by James Hacker. 331 332 <signature of Ty Coon>, 1 April 1989 333 Ty Coon, President of Vice 334 335 This General Public License does not permit incorporating your program into 336 proprietary programs. If your program is a subroutine library, you may 337 consider it more useful to permit linking proprietary applications with the 338 library. If this is what you want to do, use the GNU Lesser General 339 Public License instead of this License. 661 parts of the General Public License. Of course, your program's commands 662 might be different; for a GUI interface, you would use an "about box". 663 664 You should also get your employer (if you work as a programmer) or school, 665 if any, to sign a "copyright disclaimer" for the program, if necessary. 666 For more information on this, and how to apply and follow the GNU GPL, see 667 <http://www.gnu.org/licenses/>. 668 669 The GNU General Public License does not permit incorporating your program 670 into proprietary programs. If your program is a subroutine library, you 671 may consider it more useful to permit linking proprietary applications with 672 the library. If this is what you want to do, use the GNU Lesser General 673 Public License instead of this License. But first, please read 674 <http://www.gnu.org/philosophy/why-not-lgpl.html>.
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