| GNU GENERAL PUBLIC LICENSE␊ |
| Version 3, 29 June 2007␊ |
| ␊ |
| Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>␊ |
| Everyone is permitted to copy and distribute verbatim copies␊ |
| of this license document, but changing it is not allowed.␊ |
| ␊ |
| Preamble␊ |
| ␊ |
| The GNU General Public License is a free, copyleft license for␊ |
| software and other kinds of works.␊ |
| ␊ |
| The licenses for most software and other practical works are designed␊ |
| to take away your freedom to share and change the works. By contrast,␊ |
| the GNU General Public License is intended to guarantee your freedom to␊ |
| share and change all versions of a program--to make sure it remains free␊ |
| software for all its users. We, the Free Software Foundation, use the␊ |
| GNU General Public License for most of our software; it applies also to␊ |
| any other work released this way by its authors. You can apply it to␊ |
| your programs, too.␊ |
| ␊ |
| When we speak of free software, we are referring to freedom, not␊ |
| price. Our General Public Licenses are designed to make sure that you␊ |
| have the freedom to distribute copies of free software (and charge for␊ |
| them if you wish), that you receive source code or can get it if you␊ |
| want it, that you can change the software or use pieces of it in new␊ |
| free programs, and that you know you can do these things.␊ |
| ␊ |
| To protect your rights, we need to prevent others from denying you␊ |
| these rights or asking you to surrender the rights. Therefore, you have␊ |
| certain responsibilities if you distribute copies of the software, or if␊ |
| you modify it: responsibilities to respect the freedom of others.␊ |
| ␊ |
| For example, if you distribute copies of such a program, whether␊ |
| gratis or for a fee, you must pass on to the recipients the same␊ |
| freedoms that you received. You must make sure that they, too, receive␊ |
| or can get the source code. And you must show them these terms so they␊ |
| know their rights.␊ |
| ␊ |
| Developers that use the GNU GPL protect your rights with two steps:␊ |
| (1) assert copyright on the software, and (2) offer you this License␊ |
| giving you legal permission to copy, distribute and/or modify it.␊ |
| ␊ |
| For the developers' and authors' protection, the GPL clearly explains␊ |
| that there is no warranty for this free software. For both users' and␊ |
| authors' sake, the GPL requires that modified versions be marked as␊ |
| changed, so that their problems will not be attributed erroneously to␊ |
| authors of previous versions.␊ |
| ␊ |
| Some devices are designed to deny users access to install or run␊ |
| modified versions of the software inside them, although the manufacturer␊ |
| can do so. This is fundamentally incompatible with the aim of␊ |
| protecting users' freedom to change the software. The systematic␊ |
| pattern of such abuse occurs in the area of products for individuals to␊ |
| use, which is precisely where it is most unacceptable. Therefore, we␊ |
| have designed this version of the GPL to prohibit the practice for those␊ |
| products. If such problems arise substantially in other domains, we␊ |
| stand ready to extend this provision to those domains in future versions␊ |
| of the GPL, as needed to protect the freedom of users.␊ |
| ␊ |
| Finally, every program is threatened constantly by software patents.␊ |
| States should not allow patents to restrict development and use of␊ |
| software on general-purpose computers, but in those that do, we wish to␊ |
| avoid the special danger that patents applied to a free program could␊ |
| make it effectively proprietary. To prevent this, the GPL assures that␊ |
| patents cannot be used to render the program non-free.␊ |
| ␊ |
| The precise terms and conditions for copying, distribution and␊ |
| modification follow.␊ |
| ␊ |
| TERMS AND CONDITIONS␊ |
| ␊ |
| 0. Definitions.␊ |
| ␊ |
| "This License" refers to version 3 of the GNU General Public License.␊ |
| ␊ |
| "Copyright" also means copyright-like laws that apply to other kinds of␊ |
| works, such as semiconductor masks.␊ |
| ␊ |
| "The Program" refers to any copyrightable work licensed under this␊ |
| License. Each licensee is addressed as "you". "Licensees" and␊ |
| "recipients" may be individuals or organizations.␊ |
| ␊ |
| To "modify" a work means to copy from or adapt all or part of the work␊ |
| in a fashion requiring copyright permission, other than the making of an␊ |
| exact copy. The resulting work is called a "modified version" of the␊ |
| earlier work or a work "based on" the earlier work.␊ |
| ␊ |
| A "covered work" means either the unmodified Program or a work based␊ |
| on the Program.␊ |
| ␊ |
| To "propagate" a work means to do anything with it that, without␊ |
| permission, would make you directly or secondarily liable for␊ |
| infringement under applicable copyright law, except executing it on a␊ |
| computer or modifying a private copy. Propagation includes copying,␊ |
| distribution (with or without modification), making available to the␊ |
| public, and in some countries other activities as well.␊ |
| ␊ |
| To "convey" a work means any kind of propagation that enables other␊ |
| parties to make or receive copies. Mere interaction with a user through␊ |
| a computer network, with no transfer of a copy, is not conveying.␊ |
| ␊ |
| An interactive user interface displays "Appropriate Legal Notices"␊ |
| to the extent that it includes a convenient and prominently visible␊ |
| feature that (1) displays an appropriate copyright notice, and (2)␊ |
| tells the user that there is no warranty for the work (except to the␊ |
| extent that warranties are provided), that licensees may convey the␊ |
| work under this License, and how to view a copy of this License. If␊ |
| the interface presents a list of user commands or options, such as a␊ |
| menu, a prominent item in the list meets this criterion.␊ |
| ␊ |
| 1. Source Code.␊ |
| ␊ |
| The "source code" for a work means the preferred form of the work␊ |
| for making modifications to it. "Object code" means any non-source␊ |
| form of a work.␊ |
| ␊ |
| A "Standard Interface" means an interface that either is an official␊ |
| standard defined by a recognized standards body, or, in the case of␊ |
| interfaces specified for a particular programming language, one that␊ |
| is widely used among developers working in that language.␊ |
| ␊ |
| The "System Libraries" of an executable work include anything, other␊ |
| than the work as a whole, that (a) is included in the normal form of␊ |
| packaging a Major Component, but which is not part of that Major␊ |
| Component, and (b) serves only to enable use of the work with that␊ |
| Major Component, or to implement a Standard Interface for which an␊ |
| implementation is available to the public in source code form. A␊ |
| "Major Component", in this context, means a major essential component␊ |
| (kernel, window system, and so on) of the specific operating system␊ |
| (if any) on which the executable work runs, or a compiler used to␊ |
| produce the work, or an object code interpreter used to run it.␊ |
| ␊ |
| The "Corresponding Source" for a work in object code form means all␊ |
| the source code needed to generate, install, and (for an executable␊ |
| work) run the object code and to modify the work, including scripts to␊ |
| control those activities. However, it does not include the work's␊ |
| System Libraries, or general-purpose tools or generally available free␊ |
| programs which are used unmodified in performing those activities but␊ |
| which are not part of the work. For example, Corresponding Source␊ |
| includes interface definition files associated with source files for␊ |
| the work, and the source code for shared libraries and dynamically␊ |
| linked subprograms that the work is specifically designed to require,␊ |
| such as by intimate data communication or control flow between those␊ |
| subprograms and other parts of the work.␊ |
| ␊ |
| The Corresponding Source need not include anything that users␊ |
| can regenerate automatically from other parts of the Corresponding␊ |
| Source.␊ |
| ␊ |
| The Corresponding Source for a work in source code form is that␊ |
| same work.␊ |
| ␊ |
| 2. Basic Permissions.␊ |
| ␊ |
| All rights granted under this License are granted for the term of␊ |
| copyright on the Program, and are irrevocable provided the stated␊ |
| conditions are met. This License explicitly affirms your unlimited␊ |
| permission to run the unmodified Program. The output from running a␊ |
| covered work is covered by this License only if the output, given its␊ |
| content, constitutes a covered work. This License acknowledges your␊ |
| rights of fair use or other equivalent, as provided by copyright law.␊ |
| ␊ |
| You may make, run and propagate covered works that you do not␊ |
| convey, without conditions so long as your license otherwise remains␊ |
| in force. You may convey covered works to others for the sole purpose␊ |
| of having them make modifications exclusively for you, or provide you␊ |
| with facilities for running those works, provided that you comply with␊ |
| the terms of this License in conveying all material for which you do␊ |
| not control copyright. Those thus making or running the covered works␊ |
| for you must do so exclusively on your behalf, under your direction␊ |
| and control, on terms that prohibit them from making any copies of␊ |
| your copyrighted material outside their relationship with you.␊ |
| ␊ |
| Conveying under any other circumstances is permitted solely under␊ |
| the conditions stated below. Sublicensing is not allowed; section 10␊ |
| makes it unnecessary.␊ |
| ␊ |
| 3. Protecting Users' Legal Rights From Anti-Circumvention Law.␊ |
| ␊ |
| No covered work shall be deemed part of an effective technological␊ |
| measure under any applicable law fulfilling obligations under article␊ |
| 11 of the WIPO copyright treaty adopted on 20 December 1996, or␊ |
| similar laws prohibiting or restricting circumvention of such␊ |
| measures.␊ |
| ␊ |
| When you convey a covered work, you waive any legal power to forbid␊ |
| circumvention of technological measures to the extent such circumvention␊ |
| is effected by exercising rights under this License with respect to␊ |
| the covered work, and you disclaim any intention to limit operation or␊ |
| modification of the work as a means of enforcing, against the work's␊ |
| users, your or third parties' legal rights to forbid circumvention of␊ |
| technological measures.␊ |
| ␊ |
| 4. Conveying Verbatim Copies.␊ |
| ␊ |
| You may convey verbatim copies of the Program's source code as you␊ |
| receive it, in any medium, provided that you conspicuously and␊ |
| appropriately publish on each copy an appropriate copyright notice;␊ |
| keep intact all notices stating that this License and any␊ |
| non-permissive terms added in accord with section 7 apply to the code;␊ |
| keep intact all notices of the absence of any warranty; and give all␊ |
| recipients a copy of this License along with the Program.␊ |
| ␊ |
| You may charge any price or no price for each copy that you convey,␊ |
| and you may offer support or warranty protection for a fee.␊ |
| ␊ |
| 5. Conveying Modified Source Versions.␊ |
| ␊ |
| You may convey a work based on the Program, or the modifications to␊ |
| produce it from the Program, in the form of source code under the␊ |
| terms of section 4, provided that you also meet all of these conditions:␊ |
| ␊ |
| a) The work must carry prominent notices stating that you modified␊ |
| it, and giving a relevant date.␊ |
| ␊ |
| b) The work must carry prominent notices stating that it is␊ |
| released under this License and any conditions added under section␊ |
| 7. This requirement modifies the requirement in section 4 to␊ |
| "keep intact all notices".␊ |
| ␊ |
| c) You must license the entire work, as a whole, under this␊ |
| License to anyone who comes into possession of a copy. This␊ |
| License will therefore apply, along with any applicable section 7␊ |
| additional terms, to the whole of the work, and all its parts,␊ |
| regardless of how they are packaged. This License gives no␊ |
| permission to license the work in any other way, but it does not␊ |
| invalidate such permission if you have separately received it.␊ |
| ␊ |
| d) If the work has interactive user interfaces, each must display␊ |
| Appropriate Legal Notices; however, if the Program has interactive␊ |
| interfaces that do not display Appropriate Legal Notices, your␊ |
| work need not make them do so.␊ |
| ␊ |
| A compilation of a covered work with other separate and independent␊ |
| works, which are not by their nature extensions of the covered work,␊ |
| and which are not combined with it such as to form a larger program,␊ |
| in or on a volume of a storage or distribution medium, is called an␊ |
| "aggregate" if the compilation and its resulting copyright are not␊ |
| used to limit the access or legal rights of the compilation's users␊ |
| beyond what the individual works permit. Inclusion of a covered work␊ |
| in an aggregate does not cause this License to apply to the other␊ |
| parts of the aggregate.␊ |
| ␊ |
| 6. Conveying Non-Source Forms.␊ |
| ␊ |
| You may convey a covered work in object code form under the terms␊ |
| of sections 4 and 5, provided that you also convey the␊ |
| machine-readable Corresponding Source under the terms of this License,␊ |
| in one of these ways:␊ |
| ␊ |
| a) Convey the object code in, or embodied in, a physical product␊ |
| (including a physical distribution medium), accompanied by the␊ |
| Corresponding Source fixed on a durable physical medium␊ |
| customarily used for software interchange.␊ |
| ␊ |
| b) Convey the object code in, or embodied in, a physical product␊ |
| (including a physical distribution medium), accompanied by a␊ |
| written offer, valid for at least three years and valid for as␊ |
| long as you offer spare parts or customer support for that product␊ |
| model, to give anyone who possesses the object code either (1) a␊ |
| copy of the Corresponding Source for all the software in the␊ |
| product that is covered by this License, on a durable physical␊ |
| medium customarily used for software interchange, for a price no␊ |
| more than your reasonable cost of physically performing this␊ |
| conveying of source, or (2) access to copy the␊ |
| Corresponding Source from a network server at no charge.␊ |
| ␊ |
| c) Convey individual copies of the object code with a copy of the␊ |
| written offer to provide the Corresponding Source. This␊ |
| alternative is allowed only occasionally and noncommercially, and␊ |
| only if you received the object code with such an offer, in accord␊ |
| with subsection 6b.␊ |
| ␊ |
| d) Convey the object code by offering access from a designated␊ |
| place (gratis or for a charge), and offer equivalent access to the␊ |
| Corresponding Source in the same way through the same place at no␊ |
| further charge. You need not require recipients to copy the␊ |
| Corresponding Source along with the object code. If the place to␊ |
| copy the object code is a network server, the Corresponding Source␊ |
| may be on a different server (operated by you or a third party)␊ |
| that supports equivalent copying facilities, provided you maintain␊ |
| clear directions next to the object code saying where to find the␊ |
| Corresponding Source. Regardless of what server hosts the␊ |
| Corresponding Source, you remain obligated to ensure that it is␊ |
| available for as long as needed to satisfy these requirements.␊ |
| ␊ |
| e) Convey the object code using peer-to-peer transmission, provided␊ |
| you inform other peers where the object code and Corresponding␊ |
| Source of the work are being offered to the general public at no␊ |
| charge under subsection 6d.␊ |
| ␊ |
| A separable portion of the object code, whose source code is excluded␊ |
| from the Corresponding Source as a System Library, need not be␊ |
| included in conveying the object code work.␊ |
| ␊ |
| A "User Product" is either (1) a "consumer product", which means any␊ |
| tangible personal property which is normally used for personal, family,␊ |
| or household purposes, or (2) anything designed or sold for incorporation␊ |
| into a dwelling. In determining whether a product is a consumer product,␊ |
| doubtful cases shall be resolved in favor of coverage. For a particular␊ |
| product received by a particular user, "normally used" refers to a␊ |
| typical or common use of that class of product, regardless of the status␊ |
| of the particular user or of the way in which the particular user␊ |
| actually uses, or expects or is expected to use, the product. A product␊ |
| is a consumer product regardless of whether the product has substantial␊ |
| commercial, industrial or non-consumer uses, unless such uses represent␊ |
| the only significant mode of use of the product.␊ |
| ␊ |
| "Installation Information" for a User Product means any methods,␊ |
| procedures, authorization keys, or other information required to install␊ |
| and execute modified versions of a covered work in that User Product from␊ |
| a modified version of its Corresponding Source. The information must␊ |
| suffice to ensure that the continued functioning of the modified object␊ |
| code is in no case prevented or interfered with solely because␊ |
| modification has been made.␊ |
| ␊ |
| If you convey an object code work under this section in, or with, or␊ |
| specifically for use in, a User Product, and the conveying occurs as␊ |
| part of a transaction in which the right of possession and use of the␊ |
| User Product is transferred to the recipient in perpetuity or for a␊ |
| fixed term (regardless of how the transaction is characterized), the␊ |
| Corresponding Source conveyed under this section must be accompanied␊ |
| by the Installation Information. But this requirement does not apply␊ |
| if neither you nor any third party retains the ability to install␊ |
| modified object code on the User Product (for example, the work has␊ |
| been installed in ROM).␊ |
| ␊ |
| The requirement to provide Installation Information does not include a␊ |
| requirement to continue to provide support service, warranty, or updates␊ |
| for a work that has been modified or installed by the recipient, or for␊ |
| the User Product in which it has been modified or installed. Access to a␊ |
| network may be denied when the modification itself materially and␊ |
| adversely affects the operation of the network or violates the rules and␊ |
| protocols for communication across the network.␊ |
| ␊ |
| Corresponding Source conveyed, and Installation Information provided,␊ |
| in accord with this section must be in a format that is publicly␊ |
| documented (and with an implementation available to the public in␊ |
| source code form), and must require no special password or key for␊ |
| unpacking, reading or copying.␊ |
| ␊ |
| 7. Additional Terms.␊ |
| ␊ |
| "Additional permissions" are terms that supplement the terms of this␊ |
| License by making exceptions from one or more of its conditions.␊ |
| Additional permissions that are applicable to the entire Program shall␊ |
| be treated as though they were included in this License, to the extent␊ |
| that they are valid under applicable law. If additional permissions␊ |
| apply only to part of the Program, that part may be used separately␊ |
| under those permissions, but the entire Program remains governed by␊ |
| this License without regard to the additional permissions.␊ |
| ␊ |
| When you convey a copy of a covered work, you may at your option␊ |
| remove any additional permissions from that copy, or from any part of␊ |
| it. (Additional permissions may be written to require their own␊ |
| removal in certain cases when you modify the work.) You may place␊ |
| additional permissions on material, added by you to a covered work,␊ |
| for which you have or can give appropriate copyright permission.␊ |
| ␊ |
| Notwithstanding any other provision of this License, for material you␊ |
| add to a covered work, you may (if authorized by the copyright holders of␊ |
| that material) supplement the terms of this License with terms:␊ |
| ␊ |
| a) Disclaiming warranty or limiting liability differently from the␊ |
| terms of sections 15 and 16 of this License; or␊ |
| ␊ |
| b) Requiring preservation of specified reasonable legal notices or␊ |
| author attributions in that material or in the Appropriate Legal␊ |
| Notices displayed by works containing it; or␊ |
| ␊ |
| c) Prohibiting misrepresentation of the origin of that material, or␊ |
| requiring that modified versions of such material be marked in␊ |
| reasonable ways as different from the original version; or␊ |
| ␊ |
| d) Limiting the use for publicity purposes of names of licensors or␊ |
| authors of the material; or␊ |
| ␊ |
| e) Declining to grant rights under trademark law for use of some␊ |
| trade names, trademarks, or service marks; or␊ |
| ␊ |
| f) Requiring indemnification of licensors and authors of that␊ |
| material by anyone who conveys the material (or modified versions of␊ |
| it) with contractual assumptions of liability to the recipient, for␊ |
| any liability that these contractual assumptions directly impose on␊ |
| those licensors and authors.␊ |
| ␊ |
| All other non-permissive additional terms are considered "further␊ |
| restrictions" within the meaning of section 10. If the Program as you␊ |
| received it, or any part of it, contains a notice stating that it is␊ |
| governed by this License along with a term that is a further␊ |
| restriction, you may remove that term. If a license document contains␊ |
| a further restriction but permits relicensing or conveying under this␊ |
| License, you may add to a covered work material governed by the terms␊ |
| of that license document, provided that the further restriction does␊ |
| not survive such relicensing or conveying.␊ |
| ␊ |
| If you add terms to a covered work in accord with this section, you␊ |
| must place, in the relevant source files, a statement of the␊ |
| additional terms that apply to those files, or a notice indicating␊ |
| where to find the applicable terms.␊ |
| ␊ |
| Additional terms, permissive or non-permissive, may be stated in the␊ |
| form of a separately written license, or stated as exceptions;␊ |
| the above requirements apply either way.␊ |
| ␊ |
| 8. Termination.␊ |
| ␊ |
| You may not propagate or modify a covered work except as expressly␊ |
| provided under this License. Any attempt otherwise to propagate or␊ |
| modify it is void, and will automatically terminate your rights under␊ |
| this License (including any patent licenses granted under the third␊ |
| paragraph of section 11).␊ |
| ␊ |
| However, if you cease all violation of this License, then your␊ |
| license from a particular copyright holder is reinstated (a)␊ |
| provisionally, unless and until the copyright holder explicitly and␊ |
| finally terminates your license, and (b) permanently, if the copyright␊ |
| holder fails to notify you of the violation by some reasonable means␊ |
| prior to 60 days after the cessation.␊ |
| ␊ |
| Moreover, your license from a particular copyright holder is␊ |
| reinstated permanently if the copyright holder notifies you of the␊ |
| violation by some reasonable means, this is the first time you have␊ |
| received notice of violation of this License (for any work) from that␊ |
| copyright holder, and you cure the violation prior to 30 days after␊ |
| your receipt of the notice.␊ |
| ␊ |
| Termination of your rights under this section does not terminate the␊ |
| licenses of parties who have received copies or rights from you under␊ |
| this License. If your rights have been terminated and not permanently␊ |
| reinstated, you do not qualify to receive new licenses for the same␊ |
| material under section 10.␊ |
| ␊ |
| 9. Acceptance Not Required for Having Copies.␊ |
| ␊ |
| You are not required to accept this License in order to receive or␊ |
| run a copy of the Program. Ancillary propagation of a covered work␊ |
| occurring solely as a consequence of using peer-to-peer transmission␊ |
| to receive a copy likewise does not require acceptance. However,␊ |
| nothing other than this License grants you permission to propagate or␊ |
| modify any covered work. These actions infringe copyright if you do␊ |
| not accept this License. Therefore, by modifying or propagating a␊ |
| covered work, you indicate your acceptance of this License to do so.␊ |
| ␊ |
| 10. Automatic Licensing of Downstream Recipients.␊ |
| ␊ |
| Each time you convey a covered work, the recipient automatically␊ |
| receives a license from the original licensors, to run, modify and␊ |
| propagate that work, subject to this License. You are not responsible␊ |
| for enforcing compliance by third parties with this License.␊ |
| ␊ |
| An "entity transaction" is a transaction transferring control of an␊ |
| organization, or substantially all assets of one, or subdividing an␊ |
| organization, or merging organizations. If propagation of a covered␊ |
| work results from an entity transaction, each party to that␊ |
| transaction who receives a copy of the work also receives whatever␊ |
| licenses to the work the party's predecessor in interest had or could␊ |
| give under the previous paragraph, plus a right to possession of the␊ |
| Corresponding Source of the work from the predecessor in interest, if␊ |
| the predecessor has it or can get it with reasonable efforts.␊ |
| ␊ |
| You may not impose any further restrictions on the exercise of the␊ |
| rights granted or affirmed under this License. For example, you may␊ |
| not impose a license fee, royalty, or other charge for exercise of␊ |
| rights granted under this License, and you may not initiate litigation␊ |
| (including a cross-claim or counterclaim in a lawsuit) alleging that␊ |
| any patent claim is infringed by making, using, selling, offering for␊ |
| sale, or importing the Program or any portion of it.␊ |
| ␊ |
| 11. Patents.␊ |
| ␊ |
| A "contributor" is a copyright holder who authorizes use under this␊ |
| License of the Program or a work on which the Program is based. The␊ |
| work thus licensed is called the contributor's "contributor version".␊ |
| ␊ |
| A contributor's "essential patent claims" are all patent claims␊ |
| owned or controlled by the contributor, whether already acquired or␊ |
| hereafter acquired, that would be infringed by some manner, permitted␊ |
| by this License, of making, using, or selling its contributor version,␊ |
| but do not include claims that would be infringed only as a␊ |
| consequence of further modification of the contributor version. For␊ |
| purposes of this definition, "control" includes the right to grant␊ |
| patent sublicenses in a manner consistent with the requirements of␊ |
| this License.␊ |
| ␊ |
| Each contributor grants you a non-exclusive, worldwide, royalty-free␊ |
| patent license under the contributor's essential patent claims, to␊ |
| make, use, sell, offer for sale, import and otherwise run, modify and␊ |
| propagate the contents of its contributor version.␊ |
| ␊ |
| In the following three paragraphs, a "patent license" is any express␊ |
| agreement or commitment, however denominated, not to enforce a patent␊ |
| (such as an express permission to practice a patent or covenant not to␊ |
| sue for patent infringement). To "grant" such a patent license to a␊ |
| party means to make such an agreement or commitment not to enforce a␊ |
| patent against the party.␊ |
| ␊ |
| If you convey a covered work, knowingly relying on a patent license,␊ |
| and the Corresponding Source of the work is not available for anyone␊ |
| to copy, free of charge and under the terms of this License, through a␊ |
| publicly available network server or other readily accessible means,␊ |
| then you must either (1) cause the Corresponding Source to be so␊ |
| available, or (2) arrange to deprive yourself of the benefit of the␊ |
| patent license for this particular work, or (3) arrange, in a manner␊ |
| consistent with the requirements of this License, to extend the patent␊ |
| license to downstream recipients. "Knowingly relying" means you have␊ |
| actual knowledge that, but for the patent license, your conveying the␊ |
| covered work in a country, or your recipient's use of the covered work␊ |
| in a country, would infringe one or more identifiable patents in that␊ |
| country that you have reason to believe are valid.␊ |
| ␊ |
| If, pursuant to or in connection with a single transaction or␊ |
| arrangement, you convey, or propagate by procuring conveyance of, a␊ |
| covered work, and grant a patent license to some of the parties␊ |
| receiving the covered work authorizing them to use, propagate, modify␊ |
| or convey a specific copy of the covered work, then the patent license␊ |
| you grant is automatically extended to all recipients of the covered␊ |
| work and works based on it.␊ |
| ␊ |
| A patent license is "discriminatory" if it does not include within␊ |
| the scope of its coverage, prohibits the exercise of, or is␊ |
| conditioned on the non-exercise of one or more of the rights that are␊ |
| specifically granted under this License. You may not convey a covered␊ |
| work if you are a party to an arrangement with a third party that is␊ |
| in the business of distributing software, under which you make payment␊ |
| to the third party based on the extent of your activity of conveying␊ |
| the work, and under which the third party grants, to any of the␊ |
| parties who would receive the covered work from you, a discriminatory␊ |
| patent license (a) in connection with copies of the covered work␊ |
| conveyed by you (or copies made from those copies), or (b) primarily␊ |
| for and in connection with specific products or compilations that␊ |
| contain the covered work, unless you entered into that arrangement,␊ |
| or that patent license was granted, prior to 28 March 2007.␊ |
| ␊ |
| Nothing in this License shall be construed as excluding or limiting␊ |
| any implied license or other defenses to infringement that may␊ |
| otherwise be available to you under applicable patent law.␊ |
| ␊ |
| 12. No Surrender of Others' Freedom.␊ |
| ␊ |
| If conditions are imposed on you (whether by court order, agreement or␊ |
| otherwise) that contradict the conditions of this License, they do not␊ |
| excuse you from the conditions of this License. If you cannot convey a␊ |
| covered work so as to satisfy simultaneously your obligations under this␊ |
| License and any other pertinent obligations, then as a consequence you may␊ |
| not convey it at all. For example, if you agree to terms that obligate you␊ |
| to collect a royalty for further conveying from those to whom you convey␊ |
| the Program, the only way you could satisfy both those terms and this␊ |
| License would be to refrain entirely from conveying the Program.␊ |
| ␊ |
| 13. Use with the GNU Affero General Public License.␊ |
| ␊ |
| Notwithstanding any other provision of this License, you have␊ |
| permission to link or combine any covered work with a work licensed␊ |
| under version 3 of the GNU Affero General Public License into a single␊ |
| combined work, and to convey the resulting work. The terms of this␊ |
| License will continue to apply to the part which is the covered work,␊ |
| but the special requirements of the GNU Affero General Public License,␊ |
| section 13, concerning interaction through a network will apply to the␊ |
| combination as such.␊ |
| ␊ |
| 14. Revised Versions of this License.␊ |
| ␊ |
| The Free Software Foundation may publish revised and/or new versions of␊ |
| the GNU General Public License from time to time. Such new versions will␊ |
| be similar in spirit to the present version, but may differ in detail to␊ |
| address new problems or concerns.␊ |
| ␊ |
| Each version is given a distinguishing version number. If the␊ |
| Program specifies that a certain numbered version of the GNU General␊ |
| Public License "or any later version" applies to it, you have the␊ |
| option of following the terms and conditions either of that numbered␊ |
| version or of any later version published by the Free Software␊ |
| Foundation. If the Program does not specify a version number of the␊ |
| GNU General Public License, you may choose any version ever published␊ |
| by the Free Software Foundation.␊ |
| ␊ |
| If the Program specifies that a proxy can decide which future␊ |
| versions of the GNU General Public License can be used, that proxy's␊ |
| public statement of acceptance of a version permanently authorizes you␊ |
| to choose that version for the Program.␊ |
| ␊ |
| Later license versions may give you additional or different␊ |
| permissions. However, no additional obligations are imposed on any␊ |
| author or copyright holder as a result of your choosing to follow a␊ |
| later version.␊ |
| ␊ |
| 15. Disclaimer of Warranty.␊ |
| ␊ |
| THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY␊ |
| APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT␊ |
| HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY␊ |
| OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,␊ |
| THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR␊ |
| PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM␊ |
| IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF␊ |
| ALL NECESSARY SERVICING, REPAIR OR CORRECTION.␊ |
| ␊ |
| 16. Limitation of Liability.␊ |
| ␊ |
| IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING␊ |
| WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS␊ |
| THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY␊ |
| GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE␊ |
| USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF␊ |
| DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD␊ |
| PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),␊ |
| EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF␊ |
| SUCH DAMAGES.␊ |
| ␊ |
| 17. Interpretation of Sections 15 and 16.␊ |
| ␊ |
| If the disclaimer of warranty and limitation of liability provided␊ |
| above cannot be given local legal effect according to their terms,␊ |
| reviewing courts shall apply local law that most closely approximates␊ |
| an absolute waiver of all civil liability in connection with the␊ |
| Program, unless a warranty or assumption of liability accompanies a␊ |
| copy of the Program in return for a fee.␊ |
| ␊ |
| END OF TERMS AND CONDITIONS␊ |
| ␊ |
| How to Apply These Terms to Your New Programs␊ |
| ␊ |
| If you develop a new program, and you want it to be of the greatest␊ |
| possible use to the public, the best way to achieve this is to make it␊ |
| free software which everyone can redistribute and change under these terms.␊ |
| ␊ |
| To do so, attach the following notices to the program. It is safest␊ |
| to attach them to the start of each source file to most effectively␊ |
| state the exclusion of warranty; and each file should have at least␊ |
| the "copyright" line and a pointer to where the full notice is found.␊ |
| ␊ |
| <one line to give the program's name and a brief idea of what it does.>␊ |
| Copyright (C) <year> <name of author>␊ |
| ␊ |
| This program is free software: you can redistribute it and/or modify␊ |
| it under the terms of the GNU General Public License as published by␊ |
| the Free Software Foundation, either version 3 of the License, or␊ |
| (at your option) any later version.␊ |
| ␊ |
| This program is distributed in the hope that it will be useful,␊ |
| but WITHOUT ANY WARRANTY; without even the implied warranty of␊ |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the␊ |
| GNU General Public License for more details.␊ |
| ␊ |
| You should have received a copy of the GNU General Public License␊ |
| along with this program. If not, see <http://www.gnu.org/licenses/>.␊ |
| ␊ |
| Also add information on how to contact you by electronic and paper mail.␊ |
| ␊ |
| If the program does terminal interaction, make it output a short␊ |
| notice like this when it starts in an interactive mode:␊ |
| ␊ |
| <program> Copyright (C) <year> <name of author>␊ |
| This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.␊ |
| This is free software, and you are welcome to redistribute it␊ |
| under certain conditions; type `show c' for details.␊ |
| ␊ |
| The hypothetical commands `show w' and `show c' should show the appropriate␊ |
| parts of the General Public License. Of course, your program's commands␊ |
| might be different; for a GUI interface, you would use an "about box".␊ |
| ␊ |
| You should also get your employer (if you work as a programmer) or school,␊ |
| if any, to sign a "copyright disclaimer" for the program, if necessary.␊ |
| For more information on this, and how to apply and follow the GNU GPL, see␊ |
| <http://www.gnu.org/licenses/>.␊ |
| ␊ |
| The GNU General Public License does not permit incorporating your program␊ |
| into proprietary programs. If your program is a subroutine library, you␊ |
| may consider it more useful to permit linking proprietary applications with␊ |
| the library. If this is what you want to do, use the GNU Lesser General␊ |
| Public License instead of this License. But first, please read␊ |
| <http://www.gnu.org/philosophy/why-not-lgpl.html>.␊ |
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