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Take note of the GNU Affero License (COPYING.GNU), which applies to part |
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of this release, which means you have to follow the requirements laid out |
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in section 13. of both licenses. |
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GNU GENERAL PUBLIC LICENSE |
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Version 3, 29 June 2007 |
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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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of this license document, but changing it is not allowed. |
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Preamble |
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The GNU General Public License is a free, copyleft license for |
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The licenses for most software and other practical works are designed |
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the GNU General Public License is intended to guarantee your freedom to |
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GNU General Public License for most of our software; it applies also to |
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When we speak of free software, we are referring to freedom, not |
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For example, if you distribute copies of such a program, whether |
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Developers that use the GNU GPL protect your rights with two steps: |
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TERMS AND CONDITIONS |
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0. Definitions. |
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"This License" refers to version 3 of the GNU General Public License. |
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"Copyright" also means copyright-like laws that apply to other kinds of |
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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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To "propagate" a work means to do anything with it that, without |
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To "convey" a work means any kind of propagation that enables other |
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1. Source Code. |
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The "System Libraries" of an executable work include anything, other |
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"Major Component", in this context, means a major essential component |
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The "Corresponding Source" for a work in object code form means all |
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The Corresponding Source need not include anything that users |
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can regenerate automatically from other parts of the Corresponding |
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Source. |
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The Corresponding Source for a work in source code form is that |
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same work. |
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2. Basic Permissions. |
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All rights granted under this License are granted for the term of |
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copyright on the Program, and are irrevocable provided the stated |
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conditions are met. This License explicitly affirms your unlimited |
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permission to run the unmodified Program. The output from running a |
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covered work is covered by this License only if the output, given its |
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content, constitutes a covered work. This License acknowledges your |
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rights of fair use or other equivalent, as provided by copyright law. |
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You may make, run and propagate covered works that you do not |
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convey, without conditions so long as your license otherwise remains |
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of having them make modifications exclusively for you, or provide you |
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with facilities for running those works, provided that you comply with |
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the terms of this License in conveying all material for which you do |
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not control copyright. Those thus making or running the covered works |
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for you must do so exclusively on your behalf, under your direction |
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your copyrighted material outside their relationship with you. |
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Conveying under any other circumstances is permitted solely under |
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the conditions stated below. Sublicensing is not allowed; section 10 |
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makes it unnecessary. |
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3. Protecting Users' Legal Rights From Anti-Circumvention Law. |
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No covered work shall be deemed part of an effective technological |
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measure under any applicable law fulfilling obligations under article |
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similar laws prohibiting or restricting circumvention of such |
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When you convey a covered work, you waive any legal power to forbid |
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technological measures. |
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4. Conveying Verbatim Copies. |
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You may convey verbatim copies of the Program's source code as you |
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appropriately publish on each copy an appropriate copyright notice; |
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keep intact all notices of the absence of any warranty; and give all |
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You may charge any price or no price for each copy that you convey, |
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and you may offer support or warranty protection for a fee. |
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5. Conveying Modified Source Versions. |
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You may convey a work based on the Program, or the modifications to |
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produce it from the Program, in the form of source code under the |
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a) The work must carry prominent notices stating that you modified |
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it, and giving a relevant date. |
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b) The work must carry prominent notices stating that it is |
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released under this License and any conditions added under section |
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7. This requirement modifies the requirement in section 4 to |
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"keep intact all notices". |
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c) You must license the entire work, as a whole, under this |
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License to anyone who comes into possession of a copy. This |
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License will therefore apply, along with any applicable section 7 |
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additional terms, to the whole of the work, and all its parts, |
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invalidate such permission if you have separately received it. |
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d) If the work has interactive user interfaces, each must display |
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Appropriate Legal Notices; however, if the Program has interactive |
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work need not make them do so. |
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A compilation of a covered work with other separate and independent |
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works, which are not by their nature extensions of the covered work, |
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in or on a volume of a storage or distribution medium, is called an |
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used to limit the access or legal rights of the compilation's users |
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beyond what the individual works permit. Inclusion of a covered work |
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in an aggregate does not cause this License to apply to the other |
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parts of the aggregate. |
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6. Conveying Non-Source Forms. |
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You may convey a covered work in object code form under the terms |
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of sections 4 and 5, provided that you also convey the |
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machine-readable Corresponding Source under the terms of this License, |
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a) Convey the object code in, or embodied in, a physical product |
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b) Convey the object code in, or embodied in, a physical product |
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written offer, valid for at least three years and valid for as |
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long as you offer spare parts or customer support for that product |
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model, to give anyone who possesses the object code either (1) a |
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copy of the Corresponding Source for all the software in the |
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product that is covered by this License, on a durable physical |
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medium customarily used for software interchange, for a price no |
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more than your reasonable cost of physically performing this |
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conveying of source, or (2) access to copy the |
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Corresponding Source from a network server at no charge. |
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c) Convey individual copies of the object code with a copy of the |
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written offer to provide the Corresponding Source. This |
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alternative is allowed only occasionally and noncommercially, and |
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only if you received the object code with such an offer, in accord |
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with subsection 6b. |
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d) Convey the object code by offering access from a designated |
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Corresponding Source in the same way through the same place at no |
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clear directions next to the object code saying where to find the |
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available for as long as needed to satisfy these requirements. |
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e) Convey the object code using peer-to-peer transmission, provided |
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you inform other peers where the object code and Corresponding |
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Source of the work are being offered to the general public at no |
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charge under subsection 6d. |
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A separable portion of the object code, whose source code is excluded |
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from the Corresponding Source as a System Library, need not be |
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included in conveying the object code work. |
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A "User Product" is either (1) a "consumer product", which means any |
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tangible personal property which is normally used for personal, family, |
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into a dwelling. In determining whether a product is a consumer product, |
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doubtful cases shall be resolved in favor of coverage. For a particular |
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product received by a particular user, "normally used" refers to a |
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typical or common use of that class of product, regardless of the status |
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the only significant mode of use of the product. |
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"Installation Information" for a User Product means any methods, |
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suffice to ensure that the continued functioning of the modified object |
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code is in no case prevented or interfered with solely because |
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modification has been made. |
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If you convey an object code work under this section in, or with, or |
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specifically for use in, a User Product, and the conveying occurs as |
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part of a transaction in which the right of possession and use of the |
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User Product is transferred to the recipient in perpetuity or for a |
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Corresponding Source conveyed under this section must be accompanied |
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by the Installation Information. But this requirement does not apply |
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if neither you nor any third party retains the ability to install |
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been installed in ROM). |
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The requirement to provide Installation Information does not include a |
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requirement to continue to provide support service, warranty, or updates |
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for a work that has been modified or installed by the recipient, or for |
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the User Product in which it has been modified or installed. Access to a |
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network may be denied when the modification itself materially and |
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protocols for communication across the network. |
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Corresponding Source conveyed, and Installation Information provided, |
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in accord with this section must be in a format that is publicly |
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documented (and with an implementation available to the public in |
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source code form), and must require no special password or key for |
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unpacking, reading or copying. |
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7. Additional Terms. |
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"Additional permissions" are terms that supplement the terms of this |
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License by making exceptions from one or more of its conditions. |
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Additional permissions that are applicable to the entire Program shall |
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be treated as though they were included in this License, to the extent |
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that they are valid under applicable law. If additional permissions |
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apply only to part of the Program, that part may be used separately |
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under those permissions, but the entire Program remains governed by |
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this License without regard to the additional permissions. |
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When you convey a copy of a covered work, you may at your option |
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remove any additional permissions from that copy, or from any part of |
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it. (Additional permissions may be written to require their own |
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removal in certain cases when you modify the work.) You may place |
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additional permissions on material, added by you to a covered work, |
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for which you have or can give appropriate copyright permission. |
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Notwithstanding any other provision of this License, for material you |
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add to a covered work, you may (if authorized by the copyright holders of |
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that material) supplement the terms of this License with terms: |
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a) Disclaiming warranty or limiting liability differently from the |
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terms of sections 15 and 16 of this License; or |
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b) Requiring preservation of specified reasonable legal notices or |
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author attributions in that material or in the Appropriate Legal |
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Notices displayed by works containing it; or |
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c) Prohibiting misrepresentation of the origin of that material, or |
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requiring that modified versions of such material be marked in |
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reasonable ways as different from the original version; or |
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d) Limiting the use for publicity purposes of names of licensors or |
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authors of the material; or |
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e) Declining to grant rights under trademark law for use of some |
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those licensors and authors. |
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All other non-permissive additional terms are considered "further |
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restrictions" within the meaning of section 10. If the Program as you |
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received it, or any part of it, contains a notice stating that it is |
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governed by this License along with a term that is a further |
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restriction, you may remove that term. If a license document contains |
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a further restriction but permits relicensing or conveying under this |
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License, you may add to a covered work material governed by the terms |
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of that license document, provided that the further restriction does |
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not survive such relicensing or conveying. |
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If you add terms to a covered work in accord with this section, you |
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must place, in the relevant source files, a statement of the |
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additional terms that apply to those files, or a notice indicating |
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where to find the applicable terms. |
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Additional terms, permissive or non-permissive, may be stated in the |
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form of a separately written license, or stated as exceptions; |
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the above requirements apply either way. |
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8. Termination. |
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You may not propagate or modify a covered work except as expressly |
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provided under this License. Any attempt otherwise to propagate or |
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modify it is void, and will automatically terminate your rights under |
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this License (including any patent licenses granted under the third |
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paragraph of section 11). |
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However, if you cease all violation of this License, then your |
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license from a particular copyright holder is reinstated (a) |
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provisionally, unless and until the copyright holder explicitly and |
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finally terminates your license, and (b) permanently, if the copyright |
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holder fails to notify you of the violation by some reasonable means |
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prior to 60 days after the cessation. |
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Moreover, your license from a particular copyright holder is |
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reinstated permanently if the copyright holder notifies you of the |
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violation by some reasonable means, this is the first time you have |
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received notice of violation of this License (for any work) from that |
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Termination of your rights under this section does not terminate the |
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licenses of parties who have received copies or rights from you under |
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this License. If your rights have been terminated and not permanently |
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reinstated, you do not qualify to receive new licenses for the same |
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material under section 10. |
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9. Acceptance Not Required for Having Copies. |
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You are not required to accept this License in order to receive or |
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run a copy of the Program. Ancillary propagation of a covered work |
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occurring solely as a consequence of using peer-to-peer transmission |
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to receive a copy likewise does not require acceptance. However, |
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nothing other than this License grants you permission to propagate or |
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modify any covered work. These actions infringe copyright if you do |
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not accept this License. Therefore, by modifying or propagating a |
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covered work, you indicate your acceptance of this License to do so. |
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10. Automatic Licensing of Downstream Recipients. |
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Each time you convey a covered work, the recipient automatically |
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receives a license from the original licensors, to run, modify and |
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propagate that work, subject to this License. You are not responsible |
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for enforcing compliance by third parties with this License. |
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An "entity transaction" is a transaction transferring control of an |
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organization, or substantially all assets of one, or subdividing an |
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organization, or merging organizations. If propagation of a covered |
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licenses to the work the party's predecessor in interest had or could |
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Corresponding Source of the work from the predecessor in interest, if |
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the predecessor has it or can get it with reasonable efforts. |
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You may not impose any further restrictions on the exercise of the |
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rights granted or affirmed under this License. For example, you may |
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not impose a license fee, royalty, or other charge for exercise of |
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rights granted under this License, and you may not initiate litigation |
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(including a cross-claim or counterclaim in a lawsuit) alleging that |
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any patent claim is infringed by making, using, selling, offering for |
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sale, or importing the Program or any portion of it. |
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|
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11. Patents. |
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|
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A "contributor" is a copyright holder who authorizes use under this |
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License of the Program or a work on which the Program is based. The |
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work thus licensed is called the contributor's "contributor version". |
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|
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A contributor's "essential patent claims" are all patent claims |
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owned or controlled by the contributor, whether already acquired or |
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hereafter acquired, that would be infringed by some manner, permitted |
484 |
by this License, of making, using, or selling its contributor version, |
485 |
but do not include claims that would be infringed only as a |
486 |
consequence of further modification of the contributor version. For |
487 |
purposes of this definition, "control" includes the right to grant |
488 |
patent sublicenses in a manner consistent with the requirements of |
489 |
this License. |
490 |
|
491 |
Each contributor grants you a non-exclusive, worldwide, royalty-free |
492 |
patent license under the contributor's essential patent claims, to |
493 |
make, use, sell, offer for sale, import and otherwise run, modify and |
494 |
propagate the contents of its contributor version. |
495 |
|
496 |
In the following three paragraphs, a "patent license" is any express |
497 |
agreement or commitment, however denominated, not to enforce a patent |
498 |
(such as an express permission to practice a patent or covenant not to |
499 |
sue for patent infringement). To "grant" such a patent license to a |
500 |
party means to make such an agreement or commitment not to enforce a |
501 |
patent against the party. |
502 |
|
503 |
If you convey a covered work, knowingly relying on a patent license, |
504 |
and the Corresponding Source of the work is not available for anyone |
505 |
to copy, free of charge and under the terms of this License, through a |
506 |
publicly available network server or other readily accessible means, |
507 |
then you must either (1) cause the Corresponding Source to be so |
508 |
available, or (2) arrange to deprive yourself of the benefit of the |
509 |
patent license for this particular work, or (3) arrange, in a manner |
510 |
consistent with the requirements of this License, to extend the patent |
511 |
license to downstream recipients. "Knowingly relying" means you have |
512 |
actual knowledge that, but for the patent license, your conveying the |
513 |
covered work in a country, or your recipient's use of the covered work |
514 |
in a country, would infringe one or more identifiable patents in that |
515 |
country that you have reason to believe are valid. |
516 |
|
517 |
If, pursuant to or in connection with a single transaction or |
518 |
arrangement, you convey, or propagate by procuring conveyance of, a |
519 |
covered work, and grant a patent license to some of the parties |
520 |
receiving the covered work authorizing them to use, propagate, modify |
521 |
or convey a specific copy of the covered work, then the patent license |
522 |
you grant is automatically extended to all recipients of the covered |
523 |
work and works based on it. |
524 |
|
525 |
A patent license is "discriminatory" if it does not include within |
526 |
the scope of its coverage, prohibits the exercise of, or is |
527 |
conditioned on the non-exercise of one or more of the rights that are |
528 |
specifically granted under this License. You may not convey a covered |
529 |
work if you are a party to an arrangement with a third party that is |
530 |
in the business of distributing software, under which you make payment |
531 |
to the third party based on the extent of your activity of conveying |
532 |
the work, and under which the third party grants, to any of the |
533 |
parties who would receive the covered work from you, a discriminatory |
534 |
patent license (a) in connection with copies of the covered work |
535 |
conveyed by you (or copies made from those copies), or (b) primarily |
536 |
for and in connection with specific products or compilations that |
537 |
contain the covered work, unless you entered into that arrangement, |
538 |
or that patent license was granted, prior to 28 March 2007. |
539 |
|
540 |
Nothing in this License shall be construed as excluding or limiting |
541 |
any implied license or other defenses to infringement that may |
542 |
otherwise be available to you under applicable patent law. |
543 |
|
544 |
12. No Surrender of Others' Freedom. |
545 |
|
546 |
If conditions are imposed on you (whether by court order, agreement or |
547 |
otherwise) that contradict the conditions of this License, they do not |
548 |
excuse you from the conditions of this License. If you cannot convey a |
549 |
covered work so as to satisfy simultaneously your obligations under this |
550 |
License and any other pertinent obligations, then as a consequence you may |
551 |
not convey it at all. For example, if you agree to terms that obligate you |
552 |
to collect a royalty for further conveying from those to whom you convey |
553 |
the Program, the only way you could satisfy both those terms and this |
554 |
License would be to refrain entirely from conveying the Program. |
555 |
|
556 |
13. Use with the GNU Affero General Public License. |
557 |
|
558 |
Notwithstanding any other provision of this License, you have |
559 |
permission to link or combine any covered work with a work licensed |
560 |
under version 3 of the GNU Affero General Public License into a single |
561 |
combined work, and to convey the resulting work. The terms of this |
562 |
License will continue to apply to the part which is the covered work, |
563 |
but the special requirements of the GNU Affero General Public License, |
564 |
section 13, concerning interaction through a network will apply to the |
565 |
combination as such. |
566 |
|
567 |
14. Revised Versions of this License. |
568 |
|
569 |
The Free Software Foundation may publish revised and/or new versions of |
570 |
the GNU General Public License from time to time. Such new versions will |
571 |
be similar in spirit to the present version, but may differ in detail to |
572 |
address new problems or concerns. |
573 |
|
574 |
Each version is given a distinguishing version number. If the |
575 |
Program specifies that a certain numbered version of the GNU General |
576 |
Public License "or any later version" applies to it, you have the |
577 |
option of following the terms and conditions either of that numbered |
578 |
version or of any later version published by the Free Software |
579 |
Foundation. If the Program does not specify a version number of the |
580 |
GNU General Public License, you may choose any version ever published |
581 |
by the Free Software Foundation. |
582 |
|
583 |
If the Program specifies that a proxy can decide which future |
584 |
versions of the GNU General Public License can be used, that proxy's |
585 |
public statement of acceptance of a version permanently authorizes you |
586 |
to choose that version for the Program. |
587 |
|
588 |
Later license versions may give you additional or different |
589 |
permissions. However, no additional obligations are imposed on any |
590 |
author or copyright holder as a result of your choosing to follow a |
591 |
later version. |
592 |
|
593 |
15. Disclaimer of Warranty. |
594 |
|
595 |
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY |
596 |
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT |
597 |
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY |
598 |
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, |
599 |
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
600 |
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM |
601 |
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF |
602 |
ALL NECESSARY SERVICING, REPAIR OR CORRECTION. |
603 |
|
604 |
16. Limitation of Liability. |
605 |
|
606 |
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING |
607 |
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS |
608 |
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY |
609 |
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE |
610 |
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF |
611 |
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD |
612 |
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), |
613 |
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF |
614 |
SUCH DAMAGES. |
615 |
|
616 |
17. Interpretation of Sections 15 and 16. |
617 |
|
618 |
If the disclaimer of warranty and limitation of liability provided |
619 |
above cannot be given local legal effect according to their terms, |
620 |
reviewing courts shall apply local law that most closely approximates |
621 |
an absolute waiver of all civil liability in connection with the |
622 |
Program, unless a warranty or assumption of liability accompanies a |
623 |
copy of the Program in return for a fee. |
624 |
|
625 |
END OF TERMS AND CONDITIONS |
626 |
|
627 |
How to Apply These Terms to Your New Programs |
628 |
|
629 |
If you develop a new program, and you want it to be of the greatest |
630 |
possible use to the public, the best way to achieve this is to make it |
631 |
free software which everyone can redistribute and change under these terms. |
632 |
|
633 |
To do so, attach the following notices to the program. It is safest |
634 |
to attach them to the start of each source file to most effectively |
635 |
state the exclusion of warranty; and each file should have at least |
636 |
the "copyright" line and a pointer to where the full notice is found. |
637 |
|
638 |
<one line to give the program's name and a brief idea of what it does.> |
639 |
Copyright (C) <year> <name of author> |
640 |
|
641 |
This program is free software: you can redistribute it and/or modify |
642 |
it under the terms of the GNU General Public License as published by |
643 |
the Free Software Foundation, either version 3 of the License, or |
644 |
(at your option) any later version. |
645 |
|
646 |
This program is distributed in the hope that it will be useful, |
647 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
648 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
649 |
GNU General Public License for more details. |
650 |
|
651 |
You should have received a copy of the GNU General Public License |
652 |
along with this program. If not, see <http://www.gnu.org/licenses/>. |
653 |
|
654 |
Also add information on how to contact you by electronic and paper mail. |
655 |
|
656 |
If the program does terminal interaction, make it output a short |
657 |
notice like this when it starts in an interactive mode: |
658 |
|
659 |
<program> Copyright (C) <year> <name of author> |
660 |
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. |
661 |
This is free software, and you are welcome to redistribute it |
662 |
under certain conditions; type `show c' for details. |
663 |
|
664 |
The hypothetical commands `show w' and `show c' should show the appropriate |
665 |
parts of the General Public License. Of course, your program's commands |
666 |
might be different; for a GUI interface, you would use an "about box". |
667 |
|
668 |
You should also get your employer (if you work as a programmer) or school, |
669 |
if any, to sign a "copyright disclaimer" for the program, if necessary. |
670 |
For more information on this, and how to apply and follow the GNU GPL, see |
671 |
<http://www.gnu.org/licenses/>. |
672 |
|
673 |
The GNU General Public License does not permit incorporating your program |
674 |
into proprietary programs. If your program is a subroutine library, you |
675 |
may consider it more useful to permit linking proprietary applications with |
676 |
the library. If this is what you want to do, use the GNU Lesser General |
677 |
Public License instead of this License. But first, please read |
678 |
<http://www.gnu.org/philosophy/why-not-lgpl.html>. |
679 |
|