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5.2 +++ b/docs/gpl-3.0.txt Thu Oct 18 22:55:28 2018 +0200
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5.4 + GNU GENERAL PUBLIC LICENSE
5.5 + Version 3, 29 June 2007
5.6 +
5.7 + Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
5.8 + Everyone is permitted to copy and distribute verbatim copies
5.9 + of this license document, but changing it is not allowed.
5.10 +
5.11 + Preamble
5.12 +
5.13 + The GNU General Public License is a free, copyleft license for
5.14 +software and other kinds of works.
5.15 +
5.16 + The licenses for most software and other practical works are designed
5.17 +to take away your freedom to share and change the works. By contrast,
5.18 +the GNU General Public License is intended to guarantee your freedom to
5.19 +share and change all versions of a program--to make sure it remains free
5.20 +software for all its users. We, the Free Software Foundation, use the
5.21 +GNU General Public License for most of our software; it applies also to
5.22 +any other work released this way by its authors. You can apply it to
5.23 +your programs, too.
5.24 +
5.25 + When we speak of free software, we are referring to freedom, not
5.26 +price. Our General Public Licenses are designed to make sure that you
5.27 +have the freedom to distribute copies of free software (and charge for
5.28 +them if you wish), that you receive source code or can get it if you
5.29 +want it, that you can change the software or use pieces of it in new
5.30 +free programs, and that you know you can do these things.
5.31 +
5.32 + To protect your rights, we need to prevent others from denying you
5.33 +these rights or asking you to surrender the rights. Therefore, you have
5.34 +certain responsibilities if you distribute copies of the software, or if
5.35 +you modify it: responsibilities to respect the freedom of others.
5.36 +
5.37 + For example, if you distribute copies of such a program, whether
5.38 +gratis or for a fee, you must pass on to the recipients the same
5.39 +freedoms that you received. You must make sure that they, too, receive
5.40 +or can get the source code. And you must show them these terms so they
5.41 +know their rights.
5.42 +
5.43 + Developers that use the GNU GPL protect your rights with two steps:
5.44 +(1) assert copyright on the software, and (2) offer you this License
5.45 +giving you legal permission to copy, distribute and/or modify it.
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5.47 + For the developers' and authors' protection, the GPL clearly explains
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5.50 +changed, so that their problems will not be attributed erroneously to
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5.52 +
5.53 + Some devices are designed to deny users access to install or run
5.54 +modified versions of the software inside them, although the manufacturer
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5.57 +pattern of such abuse occurs in the area of products for individuals to
5.58 +use, which is precisely where it is most unacceptable. Therefore, we
5.59 +have designed this version of the GPL to prohibit the practice for those
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5.61 +stand ready to extend this provision to those domains in future versions
5.62 +of the GPL, as needed to protect the freedom of users.
5.63 +
5.64 + Finally, every program is threatened constantly by software patents.
5.65 +States should not allow patents to restrict development and use of
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5.67 +avoid the special danger that patents applied to a free program could
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5.70 +
5.71 + The precise terms and conditions for copying, distribution and
5.72 +modification follow.
5.73 +
5.74 + TERMS AND CONDITIONS
5.75 +
5.76 + 0. Definitions.
5.77 +
5.78 + "This License" refers to version 3 of the GNU General Public License.
5.79 +
5.80 + "Copyright" also means copyright-like laws that apply to other kinds of
5.81 +works, such as semiconductor masks.
5.82 +
5.83 + "The Program" refers to any copyrightable work licensed under this
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5.86 +
5.87 + To "modify" a work means to copy from or adapt all or part of the work
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5.92 + A "covered work" means either the unmodified Program or a work based
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5.95 + To "propagate" a work means to do anything with it that, without
5.96 +permission, would make you directly or secondarily liable for
5.97 +infringement under applicable copyright law, except executing it on a
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5.115 + 1. Source Code.
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5.117 + The "source code" for a work means the preferred form of the work
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5.121 + A "Standard Interface" means an interface that either is an official
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5.126 + The "System Libraries" of an executable work include anything, other
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5.137 + The "Corresponding Source" for a work in object code form means all
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5.150 + The Corresponding Source need not include anything that users
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5.154 + The Corresponding Source for a work in source code form is that
5.155 +same work.
5.156 +
5.157 + 2. Basic Permissions.
5.158 +
5.159 + All rights granted under this License are granted for the term of
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5.161 +conditions are met. This License explicitly affirms your unlimited
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5.163 +covered work is covered by this License only if the output, given its
5.164 +content, constitutes a covered work. This License acknowledges your
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5.167 + You may make, run and propagate covered works that you do not
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5.178 + Conveying under any other circumstances is permitted solely under
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5.182 + 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
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5.184 + No covered work shall be deemed part of an effective technological
5.185 +measure under any applicable law fulfilling obligations under article
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5.190 + When you convey a covered work, you waive any legal power to forbid
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5.194 +modification of the work as a means of enforcing, against the work's
5.195 +users, your or third parties' legal rights to forbid circumvention of
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5.197 +
5.198 + 4. Conveying Verbatim Copies.
5.199 +
5.200 + You may convey verbatim copies of the Program's source code as you
5.201 +receive it, in any medium, provided that you conspicuously and
5.202 +appropriately publish on each copy an appropriate copyright notice;
5.203 +keep intact all notices stating that this License and any
5.204 +non-permissive terms added in accord with section 7 apply to the code;
5.205 +keep intact all notices of the absence of any warranty; and give all
5.206 +recipients a copy of this License along with the Program.
5.207 +
5.208 + You may charge any price or no price for each copy that you convey,
5.209 +and you may offer support or warranty protection for a fee.
5.210 +
5.211 + 5. Conveying Modified Source Versions.
5.212 +
5.213 + You may convey a work based on the Program, or the modifications to
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5.215 +terms of section 4, provided that you also meet all of these conditions:
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5.217 + a) The work must carry prominent notices stating that you modified
5.218 + it, and giving a relevant date.
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5.220 + b) The work must carry prominent notices stating that it is
5.221 + released under this License and any conditions added under section
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5.223 + "keep intact all notices".
5.224 +
5.225 + c) You must license the entire work, as a whole, under this
5.226 + License to anyone who comes into possession of a copy. This
5.227 + License will therefore apply, along with any applicable section 7
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5.230 + permission to license the work in any other way, but it does not
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5.232 +
5.233 + d) If the work has interactive user interfaces, each must display
5.234 + Appropriate Legal Notices; however, if the Program has interactive
5.235 + interfaces that do not display Appropriate Legal Notices, your
5.236 + work need not make them do so.
5.237 +
5.238 + A compilation of a covered work with other separate and independent
5.239 +works, which are not by their nature extensions of the covered work,
5.240 +and which are not combined with it such as to form a larger program,
5.241 +in or on a volume of a storage or distribution medium, is called an
5.242 +"aggregate" if the compilation and its resulting copyright are not
5.243 +used to limit the access or legal rights of the compilation's users
5.244 +beyond what the individual works permit. Inclusion of a covered work
5.245 +in an aggregate does not cause this License to apply to the other
5.246 +parts of the aggregate.
5.247 +
5.248 + 6. Conveying Non-Source Forms.
5.249 +
5.250 + You may convey a covered work in object code form under the terms
5.251 +of sections 4 and 5, provided that you also convey the
5.252 +machine-readable Corresponding Source under the terms of this License,
5.253 +in one of these ways:
5.254 +
5.255 + a) Convey the object code in, or embodied in, a physical product
5.256 + (including a physical distribution medium), accompanied by the
5.257 + Corresponding Source fixed on a durable physical medium
5.258 + customarily used for software interchange.
5.259 +
5.260 + b) Convey the object code in, or embodied in, a physical product
5.261 + (including a physical distribution medium), accompanied by a
5.262 + written offer, valid for at least three years and valid for as
5.263 + long as you offer spare parts or customer support for that product
5.264 + model, to give anyone who possesses the object code either (1) a
5.265 + copy of the Corresponding Source for all the software in the
5.266 + product that is covered by this License, on a durable physical
5.267 + medium customarily used for software interchange, for a price no
5.268 + more than your reasonable cost of physically performing this
5.269 + conveying of source, or (2) access to copy the
5.270 + Corresponding Source from a network server at no charge.
5.271 +
5.272 + c) Convey individual copies of the object code with a copy of the
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5.274 + alternative is allowed only occasionally and noncommercially, and
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5.276 + with subsection 6b.
5.277 +
5.278 + d) Convey the object code by offering access from a designated
5.279 + place (gratis or for a charge), and offer equivalent access to the
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5.281 + further charge. You need not require recipients to copy the
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5.283 + copy the object code is a network server, the Corresponding Source
5.284 + may be on a different server (operated by you or a third party)
5.285 + that supports equivalent copying facilities, provided you maintain
5.286 + clear directions next to the object code saying where to find the
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5.288 + Corresponding Source, you remain obligated to ensure that it is
5.289 + available for as long as needed to satisfy these requirements.
5.290 +
5.291 + e) Convey the object code using peer-to-peer transmission, provided
5.292 + you inform other peers where the object code and Corresponding
5.293 + Source of the work are being offered to the general public at no
5.294 + charge under subsection 6d.
5.295 +
5.296 + A separable portion of the object code, whose source code is excluded
5.297 +from the Corresponding Source as a System Library, need not be
5.298 +included in conveying the object code work.
5.299 +
5.300 + A "User Product" is either (1) a "consumer product", which means any
5.301 +tangible personal property which is normally used for personal, family,
5.302 +or household purposes, or (2) anything designed or sold for incorporation
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5.304 +doubtful cases shall be resolved in favor of coverage. For a particular
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5.306 +typical or common use of that class of product, regardless of the status
5.307 +of the particular user or of the way in which the particular user
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5.309 +is a consumer product regardless of whether the product has substantial
5.310 +commercial, industrial or non-consumer uses, unless such uses represent
5.311 +the only significant mode of use of the product.
5.312 +
5.313 + "Installation Information" for a User Product means any methods,
5.314 +procedures, authorization keys, or other information required to install
5.315 +and execute modified versions of a covered work in that User Product from
5.316 +a modified version of its Corresponding Source. The information must
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5.319 +modification has been made.
5.320 +
5.321 + If you convey an object code work under this section in, or with, or
5.322 +specifically for use in, a User Product, and the conveying occurs as
5.323 +part of a transaction in which the right of possession and use of the
5.324 +User Product is transferred to the recipient in perpetuity or for a
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5.329 +modified object code on the User Product (for example, the work has
5.330 +been installed in ROM).
5.331 +
5.332 + The requirement to provide Installation Information does not include a
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5.334 +for a work that has been modified or installed by the recipient, or for
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5.336 +network may be denied when the modification itself materially and
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5.338 +protocols for communication across the network.
5.339 +
5.340 + Corresponding Source conveyed, and Installation Information provided,
5.341 +in accord with this section must be in a format that is publicly
5.342 +documented (and with an implementation available to the public in
5.343 +source code form), and must require no special password or key for
5.344 +unpacking, reading or copying.
5.345 +
5.346 + 7. Additional Terms.
5.347 +
5.348 + "Additional permissions" are terms that supplement the terms of this
5.349 +License by making exceptions from one or more of its conditions.
5.350 +Additional permissions that are applicable to the entire Program shall
5.351 +be treated as though they were included in this License, to the extent
5.352 +that they are valid under applicable law. If additional permissions
5.353 +apply only to part of the Program, that part may be used separately
5.354 +under those permissions, but the entire Program remains governed by
5.355 +this License without regard to the additional permissions.
5.356 +
5.357 + When you convey a copy of a covered work, you may at your option
5.358 +remove any additional permissions from that copy, or from any part of
5.359 +it. (Additional permissions may be written to require their own
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5.361 +additional permissions on material, added by you to a covered work,
5.362 +for which you have or can give appropriate copyright permission.
5.363 +
5.364 + Notwithstanding any other provision of this License, for material you
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5.368 + a) Disclaiming warranty or limiting liability differently from the
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5.370 +
5.371 + b) Requiring preservation of specified reasonable legal notices or
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5.373 + Notices displayed by works containing it; or
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5.375 + c) Prohibiting misrepresentation of the origin of that material, or
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5.379 + d) Limiting the use for publicity purposes of names of licensors or
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5.382 + e) Declining to grant rights under trademark law for use of some
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5.385 + f) Requiring indemnification of licensors and authors of that
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5.391 + All other non-permissive additional terms are considered "further
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5.393 +received it, or any part of it, contains a notice stating that it is
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5.395 +restriction, you may remove that term. If a license document contains
5.396 +a further restriction but permits relicensing or conveying under this
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5.398 +of that license document, provided that the further restriction does
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5.400 +
5.401 + If you add terms to a covered work in accord with this section, you
5.402 +must place, in the relevant source files, a statement of the
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5.404 +where to find the applicable terms.
5.405 +
5.406 + Additional terms, permissive or non-permissive, may be stated in the
5.407 +form of a separately written license, or stated as exceptions;
5.408 +the above requirements apply either way.
5.409 +
5.410 + 8. Termination.
5.411 +
5.412 + You may not propagate or modify a covered work except as expressly
5.413 +provided under this License. Any attempt otherwise to propagate or
5.414 +modify it is void, and will automatically terminate your rights under
5.415 +this License (including any patent licenses granted under the third
5.416 +paragraph of section 11).
5.417 +
5.418 + However, if you cease all violation of this License, then your
5.419 +license from a particular copyright holder is reinstated (a)
5.420 +provisionally, unless and until the copyright holder explicitly and
5.421 +finally terminates your license, and (b) permanently, if the copyright
5.422 +holder fails to notify you of the violation by some reasonable means
5.423 +prior to 60 days after the cessation.
5.424 +
5.425 + Moreover, your license from a particular copyright holder is
5.426 +reinstated permanently if the copyright holder notifies you of the
5.427 +violation by some reasonable means, this is the first time you have
5.428 +received notice of violation of this License (for any work) from that
5.429 +copyright holder, and you cure the violation prior to 30 days after
5.430 +your receipt of the notice.
5.431 +
5.432 + Termination of your rights under this section does not terminate the
5.433 +licenses of parties who have received copies or rights from you under
5.434 +this License. If your rights have been terminated and not permanently
5.435 +reinstated, you do not qualify to receive new licenses for the same
5.436 +material under section 10.
5.437 +
5.438 + 9. Acceptance Not Required for Having Copies.
5.439 +
5.440 + You are not required to accept this License in order to receive or
5.441 +run a copy of the Program. Ancillary propagation of a covered work
5.442 +occurring solely as a consequence of using peer-to-peer transmission
5.443 +to receive a copy likewise does not require acceptance. However,
5.444 +nothing other than this License grants you permission to propagate or
5.445 +modify any covered work. These actions infringe copyright if you do
5.446 +not accept this License. Therefore, by modifying or propagating a
5.447 +covered work, you indicate your acceptance of this License to do so.
5.448 +
5.449 + 10. Automatic Licensing of Downstream Recipients.
5.450 +
5.451 + Each time you convey a covered work, the recipient automatically
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5.455 +
5.456 + An "entity transaction" is a transaction transferring control of an
5.457 +organization, or substantially all assets of one, or subdividing an
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5.465 +
5.466 + You may not impose any further restrictions on the exercise of the
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5.470 +(including a cross-claim or counterclaim in a lawsuit) alleging that
5.471 +any patent claim is infringed by making, using, selling, offering for
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5.473 +
5.474 + 11. Patents.
5.475 +
5.476 + A "contributor" is a copyright holder who authorizes use under this
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5.478 +work thus licensed is called the contributor's "contributor version".
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5.480 + A contributor's "essential patent claims" are all patent claims
5.481 +owned or controlled by the contributor, whether already acquired or
5.482 +hereafter acquired, that would be infringed by some manner, permitted
5.483 +by this License, of making, using, or selling its contributor version,
5.484 +but do not include claims that would be infringed only as a
5.485 +consequence of further modification of the contributor version. For
5.486 +purposes of this definition, "control" includes the right to grant
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5.490 + Each contributor grants you a non-exclusive, worldwide, royalty-free
5.491 +patent license under the contributor's essential patent claims, to
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5.495 + In the following three paragraphs, a "patent license" is any express
5.496 +agreement or commitment, however denominated, not to enforce a patent
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5.500 +patent against the party.
5.501 +
5.502 + If you convey a covered work, knowingly relying on a patent license,
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5.507 +available, or (2) arrange to deprive yourself of the benefit of the
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5.509 +consistent with the requirements of this License, to extend the patent
5.510 +license to downstream recipients. "Knowingly relying" means you have
5.511 +actual knowledge that, but for the patent license, your conveying the
5.512 +covered work in a country, or your recipient's use of the covered work
5.513 +in a country, would infringe one or more identifiable patents in that
5.514 +country that you have reason to believe are valid.
5.515 +
5.516 + If, pursuant to or in connection with a single transaction or
5.517 +arrangement, you convey, or propagate by procuring conveyance of, a
5.518 +covered work, and grant a patent license to some of the parties
5.519 +receiving the covered work authorizing them to use, propagate, modify
5.520 +or convey a specific copy of the covered work, then the patent license
5.521 +you grant is automatically extended to all recipients of the covered
5.522 +work and works based on it.
5.523 +
5.524 + A patent license is "discriminatory" if it does not include within
5.525 +the scope of its coverage, prohibits the exercise of, or is
5.526 +conditioned on the non-exercise of one or more of the rights that are
5.527 +specifically granted under this License. You may not convey a covered
5.528 +work if you are a party to an arrangement with a third party that is
5.529 +in the business of distributing software, under which you make payment
5.530 +to the third party based on the extent of your activity of conveying
5.531 +the work, and under which the third party grants, to any of the
5.532 +parties who would receive the covered work from you, a discriminatory
5.533 +patent license (a) in connection with copies of the covered work
5.534 +conveyed by you (or copies made from those copies), or (b) primarily
5.535 +for and in connection with specific products or compilations that
5.536 +contain the covered work, unless you entered into that arrangement,
5.537 +or that patent license was granted, prior to 28 March 2007.
5.538 +
5.539 + Nothing in this License shall be construed as excluding or limiting
5.540 +any implied license or other defenses to infringement that may
5.541 +otherwise be available to you under applicable patent law.
5.542 +
5.543 + 12. No Surrender of Others' Freedom.
5.544 +
5.545 + If conditions are imposed on you (whether by court order, agreement or
5.546 +otherwise) that contradict the conditions of this License, they do not
5.547 +excuse you from the conditions of this License. If you cannot convey a
5.548 +covered work so as to satisfy simultaneously your obligations under this
5.549 +License and any other pertinent obligations, then as a consequence you may
5.550 +not convey it at all. For example, if you agree to terms that obligate you
5.551 +to collect a royalty for further conveying from those to whom you convey
5.552 +the Program, the only way you could satisfy both those terms and this
5.553 +License would be to refrain entirely from conveying the Program.
5.554 +
5.555 + 13. Use with the GNU Affero General Public License.
5.556 +
5.557 + Notwithstanding any other provision of this License, you have
5.558 +permission to link or combine any covered work with a work licensed
5.559 +under version 3 of the GNU Affero General Public License into a single
5.560 +combined work, and to convey the resulting work. The terms of this
5.561 +License will continue to apply to the part which is the covered work,
5.562 +but the special requirements of the GNU Affero General Public License,
5.563 +section 13, concerning interaction through a network will apply to the
5.564 +combination as such.
5.565 +
5.566 + 14. Revised Versions of this License.
5.567 +
5.568 + The Free Software Foundation may publish revised and/or new versions of
5.569 +the GNU General Public License from time to time. Such new versions will
5.570 +be similar in spirit to the present version, but may differ in detail to
5.571 +address new problems or concerns.
5.572 +
5.573 + Each version is given a distinguishing version number. If the
5.574 +Program specifies that a certain numbered version of the GNU General
5.575 +Public License "or any later version" applies to it, you have the
5.576 +option of following the terms and conditions either of that numbered
5.577 +version or of any later version published by the Free Software
5.578 +Foundation. If the Program does not specify a version number of the
5.579 +GNU General Public License, you may choose any version ever published
5.580 +by the Free Software Foundation.
5.581 +
5.582 + If the Program specifies that a proxy can decide which future
5.583 +versions of the GNU General Public License can be used, that proxy's
5.584 +public statement of acceptance of a version permanently authorizes you
5.585 +to choose that version for the Program.
5.586 +
5.587 + Later license versions may give you additional or different
5.588 +permissions. However, no additional obligations are imposed on any
5.589 +author or copyright holder as a result of your choosing to follow a
5.590 +later version.
5.591 +
5.592 + 15. Disclaimer of Warranty.
5.593 +
5.594 + THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
5.595 +APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
5.596 +HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
5.597 +OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
5.598 +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
5.599 +PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
5.600 +IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
5.601 +ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
5.602 +
5.603 + 16. Limitation of Liability.
5.604 +
5.605 + IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
5.606 +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
5.607 +THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
5.608 +GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
5.609 +USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
5.610 +DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
5.611 +PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
5.612 +EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
5.613 +SUCH DAMAGES.
5.614 +
5.615 + 17. Interpretation of Sections 15 and 16.
5.616 +
5.617 + If the disclaimer of warranty and limitation of liability provided
5.618 +above cannot be given local legal effect according to their terms,
5.619 +reviewing courts shall apply local law that most closely approximates
5.620 +an absolute waiver of all civil liability in connection with the
5.621 +Program, unless a warranty or assumption of liability accompanies a
5.622 +copy of the Program in return for a fee.
5.623 +
5.624 + END OF TERMS AND CONDITIONS
5.625 +
5.626 + How to Apply These Terms to Your New Programs
5.627 +
5.628 + If you develop a new program, and you want it to be of the greatest
5.629 +possible use to the public, the best way to achieve this is to make it
5.630 +free software which everyone can redistribute and change under these terms.
5.631 +
5.632 + To do so, attach the following notices to the program. It is safest
5.633 +to attach them to the start of each source file to most effectively
5.634 +state the exclusion of warranty; and each file should have at least
5.635 +the "copyright" line and a pointer to where the full notice is found.
5.636 +
5.637 + <one line to give the program's name and a brief idea of what it does.>
5.638 + Copyright (C) <year> <name of author>
5.639 +
5.640 + This program is free software: you can redistribute it and/or modify
5.641 + it under the terms of the GNU General Public License as published by
5.642 + the Free Software Foundation, either version 3 of the License, or
5.643 + (at your option) any later version.
5.644 +
5.645 + This program is distributed in the hope that it will be useful,
5.646 + but WITHOUT ANY WARRANTY; without even the implied warranty of
5.647 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5.648 + GNU General Public License for more details.
5.649 +
5.650 + You should have received a copy of the GNU General Public License
5.651 + along with this program. If not, see <http://www.gnu.org/licenses/>.
5.652 +
5.653 +Also add information on how to contact you by electronic and paper mail.
5.654 +
5.655 + If the program does terminal interaction, make it output a short
5.656 +notice like this when it starts in an interactive mode:
5.657 +
5.658 + <program> Copyright (C) <year> <name of author>
5.659 + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
5.660 + This is free software, and you are welcome to redistribute it
5.661 + under certain conditions; type `show c' for details.
5.662 +
5.663 +The hypothetical commands `show w' and `show c' should show the appropriate
5.664 +parts of the General Public License. Of course, your program's commands
5.665 +might be different; for a GUI interface, you would use an "about box".
5.666 +
5.667 + You should also get your employer (if you work as a programmer) or school,
5.668 +if any, to sign a "copyright disclaimer" for the program, if necessary.
5.669 +For more information on this, and how to apply and follow the GNU GPL, see
5.670 +<http://www.gnu.org/licenses/>.
5.671 +
5.672 + The GNU General Public License does not permit incorporating your program
5.673 +into proprietary programs. If your program is a subroutine library, you
5.674 +may consider it more useful to permit linking proprietary applications with
5.675 +the library. If this is what you want to do, use the GNU Lesser General
5.676 +Public License instead of this License. But first, please read
5.677 +<http://www.gnu.org/philosophy/why-not-lgpl.html>.