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- GNU Free Documentation License
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- Version 1.3, 3 November 2008
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-
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-
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- Copyright (C) 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
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- <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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-
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-0. PREAMBLE
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-
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-The purpose of this License is to make a manual, textbook, or other
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-functional and useful document "free" in the sense of freedom: to
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-assure everyone the effective freedom to copy and redistribute it,
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-with or without modifying it, either commercially or noncommercially.
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-Secondarily, this License preserves for the author and publisher a way
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-to get credit for their work, while not being considered responsible
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-for modifications made by others.
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-
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-This License is a kind of "copyleft", which means that derivative
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-works of the document must themselves be free in the same sense. It
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-complements the GNU General Public License, which is a copyleft
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-license designed for free software.
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-
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-We have designed this License in order to use it for manuals for free
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-software, because free software needs free documentation: a free
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-program should come with manuals providing the same freedoms that the
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-software does. But this License is not limited to software manuals;
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-it can be used for any textual work, regardless of subject matter or
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-whether it is published as a printed book. We recommend this License
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-principally for works whose purpose is instruction or reference.
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-
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-1. APPLICABILITY AND DEFINITIONS
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-
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-This License applies to any manual or other work, in any medium, that
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-contains a notice placed by the copyright holder saying it can be
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-distributed under the terms of this License. Such a notice grants a
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-world-wide, royalty-free license, unlimited in duration, to use that
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-work under the conditions stated herein. The "Document", below,
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-refers to any such manual or work. Any member of the public is a
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-licensee, and is addressed as "you". You accept the license if you
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-copy, modify or distribute the work in a way requiring permission
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-under copyright law.
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-
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-A "Modified Version" of the Document means any work containing the
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-Document or a portion of it, either copied verbatim, or with
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-modifications and/or translated into another language.
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-A "Secondary Section" is a named appendix or a front-matter section of
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-the Document that deals exclusively with the relationship of the
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-publishers or authors of the Document to the Document's overall
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-subject (or to related matters) and contains nothing that could fall
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-directly within that overall subject. (Thus, if the Document is in
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-part a textbook of mathematics, a Secondary Section may not explain
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-any mathematics.) The relationship could be a matter of historical
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-connection with the subject or with related matters, or of legal,
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-commercial, philosophical, ethical or political position regarding
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-them.
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-
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-The "Invariant Sections" are certain Secondary Sections whose titles
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-are designated, as being those of Invariant Sections, in the notice
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-that says that the Document is released under this License. If a
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-section does not fit the above definition of Secondary then it is not
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-allowed to be designated as Invariant. The Document may contain zero
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-Invariant Sections. If the Document does not identify any Invariant
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-Sections then there are none.
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-
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-The "Cover Texts" are certain short passages of text that are listed,
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-as Front-Cover Texts or Back-Cover Texts, in the notice that says that
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-the Document is released under this License. A Front-Cover Text may
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-be at most 5 words, and a Back-Cover Text may be at most 25 words.
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-A "Transparent" copy of the Document means a machine-readable copy,
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-straightforwardly with generic text editors or (for images composed of
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-pixels) generic paint programs or (for drawings) some widely available
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-drawing editor, and that is suitable for input to text formatters or
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-for automatic translation to a variety of formats suitable for input
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-to text formatters. A copy made in an otherwise Transparent file
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-format whose markup, or absence of markup, has been arranged to thwart
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-or discourage subsequent modification by readers is not Transparent.
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-An image format is not Transparent if used for any substantial amount
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-of text. A copy that is not "Transparent" is called "Opaque".
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-Examples of suitable formats for Transparent copies include plain
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-or XML using a publicly available DTD, and standard-conforming simple
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-HTML, PostScript or PDF designed for human modification. Examples of
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-transparent image formats include PNG, XCF and JPG. Opaque formats
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-include proprietary formats that can be read and edited only by
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-proprietary word processors, SGML or XML for which the DTD and/or
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-processing tools are not generally available, and the
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-machine-generated HTML, PostScript or PDF produced by some word
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-processors for output purposes only.
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-The "Title Page" means, for a printed book, the title page itself,
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-plus such following pages as are needed to hold, legibly, the material
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-this License requires to appear in the title page. For works in
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-formats which do not have any title page as such, "Title Page" means
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-the text near the most prominent appearance of the work's title,
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-preceding the beginning of the body of the text.
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-The "publisher" means any person or entity that distributes copies of
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-the Document to the public.
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-A section "Entitled XYZ" means a named subunit of the Document whose
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-title either is precisely XYZ or contains XYZ in parentheses following
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-text that translates XYZ in another language. (Here XYZ stands for a
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-specific section name mentioned below, such as "Acknowledgements",
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-"Dedications", "Endorsements", or "History".) To "Preserve the Title"
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-of such a section when you modify the Document means that it remains a
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-section "Entitled XYZ" according to this definition.
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-
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-The Document may include Warranty Disclaimers next to the notice which
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-states that this License applies to the Document. These Warranty
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-Disclaimers are considered to be included by reference in this
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-License, but only as regards disclaiming warranties: any other
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-implication that these Warranty Disclaimers may have is void and has
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-no effect on the meaning of this License.
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-
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-2. VERBATIM COPYING
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-
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-You may copy and distribute the Document in any medium, either
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-commercially or noncommercially, provided that this License, the
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-copyright notices, and the license notice saying this License applies
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-to the Document are reproduced in all copies, and that you add no
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-other conditions whatsoever to those of this License. You may not use
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-technical measures to obstruct or control the reading or further
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-copying of the copies you make or distribute. However, you may accept
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-compensation in exchange for copies. If you distribute a large enough
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-number of copies you must also follow the conditions in section 3.
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-
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-You may also lend copies, under the same conditions stated above, and
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-you may publicly display copies.
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-3. COPYING IN QUANTITY
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-If you publish printed copies (or copies in media that commonly have
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-printed covers) of the Document, numbering more than 100, and the
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-Document's license notice requires Cover Texts, you must enclose the
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-copies in covers that carry, clearly and legibly, all these Cover
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-Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on
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-the back cover. Both covers must also clearly and legibly identify
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-you as the publisher of these copies. The front cover must present
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-the full title with all words of the title equally prominent and
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-visible. You may add other material on the covers in addition.
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-Copying with changes limited to the covers, as long as they preserve
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-the title of the Document and satisfy these conditions, can be treated
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-as verbatim copying in other respects.
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-
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-If the required texts for either cover are too voluminous to fit
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-legibly, you should put the first ones listed (as many as fit
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-reasonably) on the actual cover, and continue the rest onto adjacent
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-pages.
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-
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-If you publish or distribute Opaque copies of the Document numbering
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-more than 100, you must either include a machine-readable Transparent
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-copy along with each Opaque copy, or state in or with each Opaque copy
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-a computer-network location from which the general network-using
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-public has access to download using public-standard network protocols
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-a complete Transparent copy of the Document, free of added material.
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-If you use the latter option, you must take reasonably prudent steps,
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-when you begin distribution of Opaque copies in quantity, to ensure
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-that this Transparent copy will remain thus accessible at the stated
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-location until at least one year after the last time you distribute an
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-Opaque copy (directly or through your agents or retailers) of that
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-edition to the public.
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-
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-It is requested, but not required, that you contact the authors of the
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-Document well before redistributing any large number of copies, to
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-give them a chance to provide you with an updated version of the
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-Document.
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-
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-
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-4. MODIFICATIONS
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-
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-You may copy and distribute a Modified Version of the Document under
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-the conditions of sections 2 and 3 above, provided that you release
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-the Modified Version under precisely this License, with the Modified
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-Version filling the role of the Document, thus licensing distribution
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-and modification of the Modified Version to whoever possesses a copy
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-of it. In addition, you must do these things in the Modified Version:
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-
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-A. Use in the Title Page (and on the covers, if any) a title distinct
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- from that of the Document, and from those of previous versions
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- (which should, if there were any, be listed in the History section
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- of the Document). You may use the same title as a previous version
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- if the original publisher of that version gives permission.
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-B. List on the Title Page, as authors, one or more persons or entities
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- responsible for authorship of the modifications in the Modified
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- Version, together with at least five of the principal authors of the
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- Document (all of its principal authors, if it has fewer than five),
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- unless they release you from this requirement.
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-C. State on the Title page the name of the publisher of the
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- Modified Version, as the publisher.
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-D. Preserve all the copyright notices of the Document.
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-E. Add an appropriate copyright notice for your modifications
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- adjacent to the other copyright notices.
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-F. Include, immediately after the copyright notices, a license notice
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- giving the public permission to use the Modified Version under the
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- terms of this License, in the form shown in the Addendum below.
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-G. Preserve in that license notice the full lists of Invariant Sections
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- and required Cover Texts given in the Document's license notice.
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-H. Include an unaltered copy of this License.
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-I. Preserve the section Entitled "History", Preserve its Title, and add
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- to it an item stating at least the title, year, new authors, and
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- publisher of the Modified Version as given on the Title Page. If
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- there is no section Entitled "History" in the Document, create one
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- stating the title, year, authors, and publisher of the Document as
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- given on its Title Page, then add an item describing the Modified
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- Version as stated in the previous sentence.
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-J. Preserve the network location, if any, given in the Document for
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- public access to a Transparent copy of the Document, and likewise
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- the network locations given in the Document for previous versions
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- it was based on. These may be placed in the "History" section.
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- You may omit a network location for a work that was published at
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- least four years before the Document itself, or if the original
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- publisher of the version it refers to gives permission.
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-K. For any section Entitled "Acknowledgements" or "Dedications",
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- Preserve the Title of the section, and preserve in the section all
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- the substance and tone of each of the contributor acknowledgements
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- and/or dedications given therein.
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-L. Preserve all the Invariant Sections of the Document,
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- unaltered in their text and in their titles. Section numbers
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- or the equivalent are not considered part of the section titles.
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-M. Delete any section Entitled "Endorsements". Such a section
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- may not be included in the Modified Version.
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-N. Do not retitle any existing section to be Entitled "Endorsements"
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- or to conflict in title with any Invariant Section.
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-O. Preserve any Warranty Disclaimers.
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-
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-If the Modified Version includes new front-matter sections or
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-appendices that qualify as Secondary Sections and contain no material
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-copied from the Document, you may at your option designate some or all
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-of these sections as invariant. To do this, add their titles to the
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-list of Invariant Sections in the Modified Version's license notice.
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-These titles must be distinct from any other section titles.
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-
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-You may add a section Entitled "Endorsements", provided it contains
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-nothing but endorsements of your Modified Version by various
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-parties--for example, statements of peer review or that the text has
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-been approved by an organization as the authoritative definition of a
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-standard.
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-
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-You may add a passage of up to five words as a Front-Cover Text, and a
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-passage of up to 25 words as a Back-Cover Text, to the end of the list
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-of Cover Texts in the Modified Version. Only one passage of
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-Front-Cover Text and one of Back-Cover Text may be added by (or
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-through arrangements made by) any one entity. If the Document already
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-includes a cover text for the same cover, previously added by you or
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-by arrangement made by the same entity you are acting on behalf of,
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-you may not add another; but you may replace the old one, on explicit
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-permission from the previous publisher that added the old one.
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-
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-The author(s) and publisher(s) of the Document do not by this License
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-give permission to use their names for publicity for or to assert or
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-imply endorsement of any Modified Version.
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-
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-
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-5. COMBINING DOCUMENTS
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-
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-You may combine the Document with other documents released under this
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-License, under the terms defined in section 4 above for modified
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-versions, provided that you include in the combination all of the
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-Invariant Sections of all of the original documents, unmodified, and
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-list them all as Invariant Sections of your combined work in its
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-license notice, and that you preserve all their Warranty Disclaimers.
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-
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-The combined work need only contain one copy of this License, and
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-multiple identical Invariant Sections may be replaced with a single
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-copy. If there are multiple Invariant Sections with the same name but
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-different contents, make the title of each such section unique by
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-adding at the end of it, in parentheses, the name of the original
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-author or publisher of that section if known, or else a unique number.
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-Make the same adjustment to the section titles in the list of
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-Invariant Sections in the license notice of the combined work.
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-
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-In the combination, you must combine any sections Entitled "History"
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-in the various original documents, forming one section Entitled
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-"History"; likewise combine any sections Entitled "Acknowledgements",
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-and any sections Entitled "Dedications". You must delete all sections
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-Entitled "Endorsements".
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-
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-
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-6. COLLECTIONS OF DOCUMENTS
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-
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-You may make a collection consisting of the Document and other
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-documents released under this License, and replace the individual
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-copies of this License in the various documents with a single copy
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-that is included in the collection, provided that you follow the rules
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-of this License for verbatim copying of each of the documents in all
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-other respects.
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-
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-You may extract a single document from such a collection, and
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-distribute it individually under this License, provided you insert a
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-copy of this License into the extracted document, and follow this
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-License in all other respects regarding verbatim copying of that
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-document.
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-
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-
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-7. AGGREGATION WITH INDEPENDENT WORKS
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-
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-A compilation of the Document or its derivatives with other separate
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-and independent documents or works, in or on a volume of a storage or
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-distribution medium, is called an "aggregate" if the copyright
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-resulting from the compilation is not used to limit the legal rights
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-of the compilation's users beyond what the individual works permit.
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-When the Document is included in an aggregate, this License does not
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-apply to the other works in the aggregate which are not themselves
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-derivative works of the Document.
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-
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-If the Cover Text requirement of section 3 is applicable to these
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-copies of the Document, then if the Document is less than one half of
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-the entire aggregate, the Document's Cover Texts may be placed on
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-covers that bracket the Document within the aggregate, or the
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-electronic equivalent of covers if the Document is in electronic form.
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-Otherwise they must appear on printed covers that bracket the whole
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-aggregate.
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-
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-
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-8. TRANSLATION
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-
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-Translation is considered a kind of modification, so you may
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-distribute translations of the Document under the terms of section 4.
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-Replacing Invariant Sections with translations requires special
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-permission from their copyright holders, but you may include
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-translations of some or all Invariant Sections in addition to the
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-original versions of these Invariant Sections. You may include a
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-translation of this License, and all the license notices in the
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-Document, and any Warranty Disclaimers, provided that you also include
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-the original English version of this License and the original versions
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-of those notices and disclaimers. In case of a disagreement between
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-the translation and the original version of this License or a notice
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-or disclaimer, the original version will prevail.
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-
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-If a section in the Document is Entitled "Acknowledgements",
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-"Dedications", or "History", the requirement (section 4) to Preserve
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-its Title (section 1) will typically require changing the actual
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-title.
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-
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-
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-9. TERMINATION
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-
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-You may not copy, modify, sublicense, or distribute the Document
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-except as expressly provided under this License. Any attempt
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-otherwise to copy, modify, sublicense, or distribute it is void, and
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-will automatically terminate your rights under this License.
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-
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-However, if you cease all violation of this License, then your license
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-from a particular copyright holder is reinstated (a) provisionally,
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-unless and until the copyright holder explicitly and finally
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-terminates your license, and (b) permanently, if the copyright holder
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-fails to notify you of the violation by some reasonable means prior to
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-60 days after the cessation.
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-
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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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-copyright holder, and you cure the violation prior to 30 days after
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-your receipt of the notice.
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-
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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, receipt of a copy of some or all of the same material does
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-not give you any rights to use it.
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-
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-
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-10. FUTURE REVISIONS OF THIS LICENSE
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-
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-The Free Software Foundation may publish new, revised versions of the
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-GNU Free Documentation License from time to time. Such new versions
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-will be similar in spirit to the present version, but may differ in
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-detail to address new problems or concerns. See
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-http://www.gnu.org/copyleft/.
|
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-
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-Each version of the License is given a distinguishing version number.
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-If the Document specifies that a particular numbered version of this
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-License "or any later version" applies to it, you have the option of
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-following the terms and conditions either of that specified version or
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-of any later version that has been published (not as a draft) by the
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-Free Software Foundation. If the Document does not specify a version
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|
-number of this License, you may choose any version ever published (not
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|
-as a draft) by the Free Software Foundation. If the Document
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|
-specifies that a proxy can decide which future versions of this
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-License can be used, that proxy's public statement of acceptance of a
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-version permanently authorizes you to choose that version for the
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-Document.
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-
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-11. RELICENSING
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-
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-"Massive Multiauthor Collaboration Site" (or "MMC Site") means any
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|
-World Wide Web server that publishes copyrightable works and also
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|
-provides prominent facilities for anybody to edit those works. A
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|
-public wiki that anybody can edit is an example of such a server. A
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|
-"Massive Multiauthor Collaboration" (or "MMC") contained in the site
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|
-means any set of copyrightable works thus published on the MMC site.
|
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-
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|
-"CC-BY-SA" means the Creative Commons Attribution-Share Alike 3.0
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|
|
-license published by Creative Commons Corporation, a not-for-profit
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|
-corporation with a principal place of business in San Francisco,
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-California, as well as future copyleft versions of that license
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|
-published by that same organization.
|
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-
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|
-"Incorporate" means to publish or republish a Document, in whole or in
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|
-part, as part of another Document.
|
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|
-
|
|
|
-An MMC is "eligible for relicensing" if it is licensed under this
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|
|
-License, and if all works that were first published under this License
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|
|
-somewhere other than this MMC, and subsequently incorporated in whole or
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|
|
-in part into the MMC, (1) had no cover texts or invariant sections, and
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-(2) were thus incorporated prior to November 1, 2008.
|
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-
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-The operator of an MMC Site may republish an MMC contained in the site
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|
|
-under CC-BY-SA on the same site at any time before August 1, 2009,
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|
|
-provided the MMC is eligible for relicensing.
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-
|
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-
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|
|
-ADDENDUM: How to use this License for your documents
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|
|
-
|
|
|
-To use this License in a document you have written, include a copy of
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|
|
-the License in the document and put the following copyright and
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|
|
-license notices just after the title page:
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|
|
-
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|
|
- Copyright (c) YEAR YOUR NAME.
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|
|
- Permission is granted to copy, distribute and/or modify this document
|
|
|
- under the terms of the GNU Free Documentation License, Version 1.3
|
|
|
- or any later version published by the Free Software Foundation;
|
|
|
- with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
|
|
|
- A copy of the license is included in the section entitled "GNU
|
|
|
- Free Documentation License".
|
|
|
-
|
|
|
-If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
|
|
|
-replace the "with...Texts." line with this:
|
|
|
-
|
|
|
- with the Invariant Sections being LIST THEIR TITLES, with the
|
|
|
- Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.
|
|
|
-
|
|
|
-If you have Invariant Sections without Cover Texts, or some other
|
|
|
-combination of the three, merge those two alternatives to suit the
|
|
|
-situation.
|
|
|
-
|
|
|
-If your document contains nontrivial examples of program code, we
|
|
|
-recommend releasing these examples in parallel under your choice of
|
|
|
-free software license, such as the GNU General Public License,
|
|
|
-to permit their use in free software.
|