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                    GNU GENERAL PUBLIC LICENSE
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                    GNU GENERAL PUBLIC LICENSE
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                       Version 2, June 1991
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                       Version 3, 29 June 2007
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 Copyright (C) 1989, 1991 Free Software Foundation, Inc. <http://fsf.org/>
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 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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 Everyone is permitted to copy and distribute verbatim copies
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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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 of this license document, but changing it is not allowed.
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                            Preamble
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                            Preamble
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  The licenses for most software are designed to take away your
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  The GNU General Public License is a free, copyleft license for
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freedom to share and change it.  By contrast, the GNU General Public
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software and other kinds of works.
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License is intended to guarantee your freedom to share and change free
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software--to make sure the software is free for all its users.  This
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  The licenses for most software and other practical works are designed
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General Public License applies to most of the Free Software
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to take away your freedom to share and change the works.  By contrast,
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Foundation's software and to any other program whose authors commit to
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the GNU General Public License is intended to guarantee your freedom to
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using it.  (Some other Free Software Foundation software is covered by
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share and change all versions of a program--to make sure it remains free
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the GNU Library General Public License instead.)  You can apply it to
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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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your programs, too.
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  When we speak of free software, we are referring to freedom, not
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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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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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have the freedom to distribute copies of free software (and charge for
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this service if you wish), that you receive source code or can get it
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them if you wish), that you receive source code or can get it if you
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if you want it, that you can change the software or use pieces of it
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want it, that you can change the software or use pieces of it in new
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in new free programs; and that you know you can do these things.
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free programs, and that you know you can do these things.
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  To protect your rights, we need to make restrictions that forbid
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  To protect your rights, we need to prevent others from denying you
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anyone to deny you these rights or to ask you to surrender the rights.
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these rights or asking you to surrender the rights.  Therefore, you have
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These restrictions translate to certain responsibilities for you if you
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certain responsibilities if you distribute copies of the software, or if
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distribute copies of the software, or if you modify it.
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you modify it: responsibilities to respect the freedom of others.
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  For example, if you distribute copies of such a program, whether
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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 give the recipients all the rights that
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gratis or for a fee, you must pass on to the recipients the same
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you have.  You must make sure that they, too, receive or can get the
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freedoms that you received.  You must make sure that they, too, receive
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source code.  And you must show them these terms so they know their
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or can get the source code.  And you must show them these terms so they
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rights.
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know their rights.
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  We protect your rights with two steps: (1) copyright the software, and
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  Developers that use the GNU GPL protect your rights with two steps:
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(2) offer you this license which gives you legal permission to copy,
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(1) assert copyright on the software, and (2) offer you this License
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distribute and/or modify the software.
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giving you legal permission to copy, distribute and/or modify it.
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  Also, for each author's protection and ours, we want to make certain
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that everyone understands that there is no warranty for this free
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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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want its recipients to know that what they have is not the original, so
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changed, so that their problems will not be attributed erroneously to
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that any problems introduced by others will not reflect on the original
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authors of previous versions.
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authors' reputations.
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  Some devices are designed to deny users access to install or run
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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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  Finally, any free program is threatened constantly by software
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patents.  We wish to avoid the danger that redistributors of a free
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program proprietary.  To prevent this, we have made it clear that any
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avoid the special danger that patents applied to a free program could
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patent must be licensed for everyone's free use or not licensed at all.
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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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  The precise terms and conditions for copying, distribution and
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  The precise terms and conditions for copying, distribution and
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modification follow.
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modification follow.
57

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                    GNU GENERAL PUBLIC LICENSE
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   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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  0. This License applies to any program or other work which contains
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                       TERMS AND CONDITIONS
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a notice placed by the copyright holder saying it may be distributed
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under the terms of this General Public License.  The "Program", below,
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refers to any such program or work, and a "work based on the Program"
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means either the Program or any derivative work under copyright law:
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that is to say, a work containing the Program or a portion of it,
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either verbatim or with modifications and/or translated into another
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language.  (Hereinafter, translation is included without limitation in
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the term "modification".)  Each licensee is addressed as "you".
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Activities other than copying, distribution and modification are not
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  0. Definitions.
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covered by this License; they are outside its scope.  The act of
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running the Program is not restricted, and the output from the Program
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is covered only if its contents constitute a work based on the
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Program (independent of having been made by running the Program).
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Whether that is true depends on what the Program does.
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  1. You may copy and distribute verbatim copies of the Program's
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  "This License" refers to version 3 of the GNU General Public License.
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source code as you receive it, in any medium, provided that you
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conspicuously and appropriately publish on each copy an appropriate
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  "Copyright" also means copyright-like laws that apply to other kinds of
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copyright notice and disclaimer of warranty; keep intact all the
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works, such as semiconductor masks.
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notices that refer to this License and to the absence of any warranty;
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and give any other recipients of the Program a copy of this License
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  "The Program" refers to any copyrightable work licensed under this
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  A "covered work" means either the unmodified Program or a work based
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along with the Program.
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on the Program.
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You may charge a fee for the physical act of transferring a copy, and
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you may at your option offer warranty protection in exchange for a fee.
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permission, would make you directly or secondarily liable for
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infringement under applicable copyright law, except executing it on a
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computer or modifying a private copy.  Propagation includes copying,
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distribution (with or without modification), making available to the
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public, and in some countries other activities as well.
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distribute such modifications or work under the terms of Section 1
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These requirements apply to the modified work as a whole.  If
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In addition, mere aggregation of another work not based on the Program
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add to a covered work, you may (if authorized by the copyright holders of
363
that material) supplement the terms of this License with terms:
364
365
    a) Disclaiming warranty or limiting liability differently from the
366
    terms of sections 15 and 16 of this License; or
367
368
    b) Requiring preservation of specified reasonable legal notices or
369
    author attributions in that material or in the Appropriate Legal
370
    Notices displayed by works containing it; or
371
372
    c) Prohibiting misrepresentation of the origin of that material, or
373
    requiring that modified versions of such material be marked in
374
    reasonable ways as different from the original version; or
375
376
    d) Limiting the use for publicity purposes of names of licensors or
377
    authors of the material; or
378
379
    e) Declining to grant rights under trademark law for use of some
380
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381
382
    f) Requiring indemnification of licensors and authors of that
383
    material by anyone who conveys the material (or modified versions of
384
    it) with contractual assumptions of liability to the recipient, for
385
    any liability that these contractual assumptions directly impose on
386
    those licensors and authors.
387
388
  All other non-permissive additional terms are considered "further
389
restrictions" within the meaning of section 10.  If the Program as you
390
received it, or any part of it, contains a notice stating that it is
391
governed by this License along with a term that is a further
392
restriction, you may remove that term.  If a license document contains
393
a further restriction but permits relicensing or conveying under this
394
License, you may add to a covered work material governed by the terms
395
of that license document, provided that the further restriction does
396
not survive such relicensing or conveying.
397
398
  If you add terms to a covered work in accord with this section, you
399
must place, in the relevant source files, a statement of the
400
additional terms that apply to those files, or a notice indicating
401
where to find the applicable terms.
402
403
  Additional terms, permissive or non-permissive, may be stated in the
404
form of a separately written license, or stated as exceptions;
405
the above requirements apply either way.
406
407
  8. Termination.
408
409
  You may not propagate or modify a covered work except as expressly
410
provided under this License.  Any attempt otherwise to propagate or
174
void, and will automatically terminate your rights under this License.
411
modify it is void, and will automatically terminate your rights under
412
this License (including any patent licenses granted under the third
413
paragraph of section 11).
414
415
  However, if you cease all violation of this License, then your
416
license from a particular copyright holder is reinstated (a)
417
provisionally, unless and until the copyright holder explicitly and
418
finally terminates your license, and (b) permanently, if the copyright
419
holder fails to notify you of the violation by some reasonable means
420
prior to 60 days after the cessation.
421
422
  Moreover, your license from a particular copyright holder is
423
reinstated permanently if the copyright holder notifies you of the
424
violation by some reasonable means, this is the first time you have
425
received notice of violation of this License (for any work) from that
426
copyright holder, and you cure the violation prior to 30 days after
427
your receipt of the notice.
428
429
  Termination of your rights under this section does not terminate the
175
However, parties who have received copies, or rights, from you under
430
licenses of parties who have received copies or rights from you under
176
this License will not have their licenses terminated so long as such
431
this License.  If your rights have been terminated and not permanently
177
parties remain in full compliance.
432
reinstated, you do not qualify to receive new licenses for the same
433
material under section 10.
178
434
435
  9. Acceptance Not Required for Having Copies.
436
179
  5. You are not required to accept this License, since you have not
437
  You are not required to accept this License in order to receive or
180
signed it.  However, nothing else grants you permission to modify or
438
run a copy of the Program.  Ancillary propagation of a covered work
181
distribute the Program or its derivative works.  These actions are
439
occurring solely as a consequence of using peer-to-peer transmission
182
prohibited by law if you do not accept this License.  Therefore, by
440
to receive a copy likewise does not require acceptance.  However,
183
modifying or distributing the Program (or any work based on the
441
nothing other than this License grants you permission to propagate or
442
modify any covered work.  These actions infringe copyright if you do
443
not accept this License.  Therefore, by modifying or propagating a
184
Program), you indicate your acceptance of this License to do so, and
444
covered work, you indicate your acceptance of this License to do so.
185
all its terms and conditions for copying, distributing or modifying
186
the Program or works based on it.
187
445
188
  6. Each time you redistribute the Program (or any work based on the
446
  10. Automatic Licensing of Downstream Recipients.
189
Program), the recipient automatically receives a license from the
447
190
original licensor to copy, distribute or modify the Program subject to
448
  Each time you convey a covered work, the recipient automatically
191
these terms and conditions.  You may not impose any further
449
receives a license from the original licensors, to run, modify and
192
restrictions on the recipients' exercise of the rights granted herein.
450
propagate that work, subject to this License.  You are not responsible
193
You are not responsible for enforcing compliance by third parties to
451
for enforcing compliance by third parties with this License.
452
453
  An "entity transaction" is a transaction transferring control of an
454
organization, or substantially all assets of one, or subdividing an
455
organization, or merging organizations.  If propagation of a covered
456
work results from an entity transaction, each party to that
457
transaction who receives a copy of the work also receives whatever
458
licenses to the work the party's predecessor in interest had or could
459
give under the previous paragraph, plus a right to possession of the
460
Corresponding Source of the work from the predecessor in interest, if
461
the predecessor has it or can get it with reasonable efforts.
462
463
  You may not impose any further restrictions on the exercise of the
464
rights granted or affirmed under this License.  For example, you may
465
not impose a license fee, royalty, or other charge for exercise of
466
rights granted under this License, and you may not initiate litigation
467
(including a cross-claim or counterclaim in a lawsuit) alleging that
468
any patent claim is infringed by making, using, selling, offering for
469
sale, or importing the Program or any portion of it.
470
471
  11. Patents.
472
473
  A "contributor" is a copyright holder who authorizes use under this
474
License of the Program or a work on which the Program is based.  The
475
work thus licensed is called the contributor's "contributor version".
476
477
  A contributor's "essential patent claims" are all patent claims
478
owned or controlled by the contributor, whether already acquired or
479
hereafter acquired, that would be infringed by some manner, permitted
480
by this License, of making, using, or selling its contributor version,
481
but do not include claims that would be infringed only as a
482
consequence of further modification of the contributor version.  For
483
purposes of this definition, "control" includes the right to grant
484
patent sublicenses in a manner consistent with the requirements of
194
this License.
485
this License.
195
486
196
  7. If, as a consequence of a court judgment or allegation of patent
487
  Each contributor grants you a non-exclusive, worldwide, royalty-free
197
infringement or for any other reason (not limited to patent issues),
488
patent license under the contributor's essential patent claims, to
489
make, use, sell, offer for sale, import and otherwise run, modify and
490
propagate the contents of its contributor version.
491
492
  In the following three paragraphs, a "patent license" is any express
493
agreement or commitment, however denominated, not to enforce a patent
494
(such as an express permission to practice a patent or covenant not to
495
sue for patent infringement).  To "grant" such a patent license to a
496
party means to make such an agreement or commitment not to enforce a
497
patent against the party.
498
499
  If you convey a covered work, knowingly relying on a patent license,
500
and the Corresponding Source of the work is not available for anyone
501
to copy, free of charge and under the terms of this License, through a
502
publicly available network server or other readily accessible means,
503
then you must either (1) cause the Corresponding Source to be so
504
available, or (2) arrange to deprive yourself of the benefit of the
505
patent license for this particular work, or (3) arrange, in a manner
506
consistent with the requirements of this License, to extend the patent
507
license to downstream recipients.  "Knowingly relying" means you have
508
actual knowledge that, but for the patent license, your conveying the
509
covered work in a country, or your recipient's use of the covered work
510
in a country, would infringe one or more identifiable patents in that
511
country that you have reason to believe are valid.
512
513
  If, pursuant to or in connection with a single transaction or
514
arrangement, you convey, or propagate by procuring conveyance of, a
515
covered work, and grant a patent license to some of the parties
516
receiving the covered work authorizing them to use, propagate, modify
517
or convey a specific copy of the covered work, then the patent license
518
you grant is automatically extended to all recipients of the covered
519
work and works based on it.
520
521
  A patent license is "discriminatory" if it does not include within
522
the scope of its coverage, prohibits the exercise of, or is
523
conditioned on the non-exercise of one or more of the rights that are
524
specifically granted under this License.  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
198
conditions are imposed on you (whether by court order, agreement or
542
  If conditions are imposed on you (whether by court order, agreement or
199
otherwise) that contradict the conditions of this License, they do not
543
otherwise) that contradict the conditions of this License, they do not
200
excuse you from the conditions of this License.  If you cannot
544
excuse you from the conditions of this License.  If you cannot convey a
201
distribute so as to satisfy simultaneously your obligations under this
545
covered work so as to satisfy simultaneously your obligations under this
202
License and any other pertinent obligations, then as a consequence you
546
License and any other pertinent obligations, then as a consequence you may
203
may not distribute the Program at all.  For example, if a patent
547
not convey it at all.  For example, if you agree to terms that obligate you
204
license would not permit royalty-free redistribution of the Program by
548
to collect a royalty for further conveying from those to whom you convey
205
all those who receive copies directly or indirectly through you, then
549
the Program, the only way you could satisfy both those terms and this
206
the only way you could satisfy both it and this License would be to
550
License would be to refrain entirely from conveying the Program.
207
refrain entirely from distribution of the Program.
208
551
209
If any portion of this section is held invalid or unenforceable under
552
  13. Use with the GNU Affero General Public License.
210
any particular circumstance, the balance of the section is intended to
211
apply and the section as a whole is intended to apply in other
212
circumstances.
213
553
214
It is not the purpose of this section to induce you to infringe any
554
  Notwithstanding any other provision of this License, you have
215
patents or other property right claims or to contest validity of any
555
permission to link or combine any covered work with a work licensed
216
such claims; this section has the sole purpose of protecting the
556
under version 3 of the GNU Affero General Public License into a single
217
integrity of the free software distribution system, which is
557
combined work, and to convey the resulting work.  The terms of this
218
implemented by public license practices.  Many people have made
558
License will continue to apply to the part which is the covered work,
219
generous contributions to the wide range of software distributed
559
but the special requirements of the GNU Affero General Public License,
220
through that system in reliance on consistent application of that
560
section 13, concerning interaction through a network will apply to the
221
system; it is up to the author/donor to decide if he or she is willing
561
combination as such.
222
to distribute software through any other system and a licensee cannot
223
impose that choice.
224
562
225
This section is intended to make thoroughly clear what is believed to
563
  14. Revised Versions of this License.
226
be a consequence of the rest of this License.
227

228
  8. If the distribution and/or use of the Program is restricted in
229
certain countries either by patents or by copyrighted interfaces, the
230
original copyright holder who places the Program under this License
231
may add an explicit geographical distribution limitation excluding
232
those countries, so that distribution is permitted only in or among
233
countries not thus excluded.  In such case, this License incorporates
234
the limitation as if written in the body of this License.
235
564
236
  9. The Free Software Foundation may publish revised and/or new versions
565
  The Free Software Foundation may publish revised and/or new versions of
237
of the General Public License from time to time.  Such new versions will
566
the GNU General Public License from time to time.  Such new versions will
238
be similar in spirit to the present version, but may differ in detail to
567
be similar in spirit to the present version, but may differ in detail to
239
address new problems or concerns.
568
address new problems or concerns.
240
569
241
Each version is given a distinguishing version number.  If the Program
570
  Each version is given a distinguishing version number.  If the
242
specifies a version number of this License which applies to it and "any
571
Program specifies that a certain numbered version of the GNU General
243
later version", you have the option of following the terms and conditions
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
244
either of that version or of any later version published by the Free
574
version or of any later version published by the Free Software
245
Software Foundation.  If the Program does not specify a version number of
575
Foundation.  If the Program does not specify a version number of the
246
this License, you may choose any version ever published by the Free Software
576
GNU General Public License, you may choose any version ever published
247
Foundation.
577
by the Free Software Foundation.
248
578
249
  10. If you wish to incorporate parts of the Program into other free
579
  If the Program specifies that a proxy can decide which future
250
programs whose distribution conditions are different, write to the author
580
versions of the GNU General Public License can be used, that proxy's
251
to ask for permission.  For software which is copyrighted by the Free
581
public statement of acceptance of a version permanently authorizes you
252
Software Foundation, write to the Free Software Foundation; we sometimes
582
to choose that version for the Program.
253
make exceptions for this.  Our decision will be guided by the two goals
254
of preserving the free status of all derivatives of our free software and
255
of promoting the sharing and reuse of software generally.
256
583
257
                            NO WARRANTY
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.
258
588
259
  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
589
  15. Disclaimer of Warranty.
260
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
261
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
262
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
263
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
264
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
265
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
266
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
267
REPAIR OR CORRECTION.
268
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
269
  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
602
  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
270
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
603
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
271
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
604
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
272
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
605
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
273
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
606
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
274
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
607
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
275
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
608
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
276
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
609
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
277
POSSIBILITY OF SUCH DAMAGES.
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.
278
620
279
                     END OF TERMS AND CONDITIONS
621
                     END OF TERMS AND CONDITIONS
280

622
281
            How to Apply These Terms to Your New Programs
623
            How to Apply These Terms to Your New Programs
282
624
283
  If you develop a new program, and you want it to be of the greatest
625
  If you develop a new program, and you want it to be of the greatest
284
possible use to the public, the best way to achieve this is to make it
626
possible use to the public, the best way to achieve this is to make it
285
free software which everyone can redistribute and change under these terms.
627
free software which everyone can redistribute and change under these terms.
286
628
287
  To do so, attach the following notices to the program.  It is safest
629
  To do so, attach the following notices to the program.  It is safest
288
to attach them to the start of each source file to most effectively
630
to attach them to the start of each source file to most effectively
289
convey the exclusion of warranty; and each file should have at least
631
state the exclusion of warranty; and each file should have at least
290
the "copyright" line and a pointer to where the full notice is found.
632
the "copyright" line and a pointer to where the full notice is found.
291
633
292
    <one line to give the program's name and a brief idea of what it does.>
634
    <one line to give the program's name and a brief idea of what it does.>
293
    Copyright (C) <year>  <name of author>
635
    Copyright (C) <year>  <name of author>
294
636
295
    This program is free software; you can redistribute it and/or modify
637
    This program is free software: you can redistribute it and/or modify
296
    it under the terms of the GNU General Public License as published by
638
    it under the terms of the GNU General Public License as published by
297
    the Free Software Foundation; either version 2 of the License, or
639
    the Free Software Foundation, either version 3 of the License, or
298
    (at your option) any later version.
640
    (at your option) any later version.
299
641
300
    This program is distributed in the hope that it will be useful,
642
    This program is distributed in the hope that it will be useful,
301
    but WITHOUT ANY WARRANTY; without even the implied warranty of
643
    but WITHOUT ANY WARRANTY; without even the implied warranty of
302
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
644
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
303
    GNU General Public License for more details.
645
    GNU General Public License for more details.
304
646
305
    You should have received a copy of the GNU General Public License
647
    You should have received a copy of the GNU General Public License
306
    along with this program; if not, see <http://www.gnu.org/licenses/>.
648
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
307
649
308
Also add information on how to contact you by electronic and paper mail.
650
Also add information on how to contact you by electronic and paper mail.
309
651
310
If the program is interactive, make it output a short notice like this
652
  If the program does terminal interaction, make it output a short
311
when it starts in an interactive mode:
653
notice like this when it starts in an interactive mode:
312
654
313
    Gnomovision version 69, Copyright (C) year name of author
655
    <program>  Copyright (C) <year>  <name of author>
314
    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
656
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
315
    This is free software, and you are welcome to redistribute it
657
    This is free software, and you are welcome to redistribute it
316
    under certain conditions; type `show c' for details.
658
    under certain conditions; type `show c' for details.
317
659
318
The hypothetical commands `show w' and `show c' should show the appropriate
660
The hypothetical commands `show w' and `show c' should show the appropriate
319
parts of the General Public License.  Of course, the commands you use may
661
parts of the General Public License.  Of course, your program's commands
320
be called something other than `show w' and `show c'; they could even be
662
might be different; for a GUI interface, you would use an "about box".
321
mouse-clicks or menu items--whatever suits your program.
322
663
323
You should also get your employer (if you work as a programmer) or your
664
  You should also get your employer (if you work as a programmer) or school,
324
school, if any, to sign a "copyright disclaimer" for the program, if
665
if any, to sign a "copyright disclaimer" for the program, if necessary.
325
necessary.  Here is a sample; alter the names:
666
For more information on this, and how to apply and follow the GNU GPL, see
667
<http://www.gnu.org/licenses/>.
326
668
327
  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
328
  `Gnomovision' (which makes passes at compilers) written by James Hacker.
329
330
  <signature of Ty Coon>, 1 April 1989
331
  Ty Coon, President of Vice
332
333
This General Public License does not permit incorporating your program into
669
  The GNU General Public License does not permit incorporating your program
334
proprietary programs.  If your program is a subroutine library, you may
670
into proprietary programs.  If your program is a subroutine library, you
335
consider it more useful to permit linking proprietary applications with the
671
may consider it more useful to permit linking proprietary applications with
336
library.  If this is what you want to do, use the GNU Library General
672
the library.  If this is what you want to do, use the GNU Lesser General
337
Public License instead of this License.
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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