mirror of https://github.com/tLDP/LDP
410 lines
18 KiB
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410 lines
18 KiB
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<sect1 id="gfdl">
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<title>GNU Free Documentation
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License
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</title>
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<literallayout>
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Version 1.1, March 2000
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Copyright (C) 2000 Free Software Foundation, Inc.
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59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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0. PREAMBLE
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The purpose of this License is to make a manual, textbook, or
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other written document "free" in the sense of freedom: to assure
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everyone the effective freedom to copy and redistribute it, with or
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without modifying it, either commercially or noncommercially.
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Secondarily, this License preserves for the author and publisher a
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way to get credit for their work, while not being considered
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responsible for modifications made by others.
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This License is a kind of "copyleft", which means that
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derivative works of the document must themselves be free in the
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same sense. It complements the GNU General Public License, which is
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a copyleft license designed for free software.
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We have designed this License in order to use it for manuals for
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free software, because free software needs free documentation: a
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free program should come with manuals providing the same freedoms
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that the software does. But this License is not limited to software
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manuals; it can be used for any textual work, regardless of subject
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matter or whether it is published as a printed book. We recommend
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this License principally for works whose purpose is instruction or
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reference.
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1. APPLICABILITY AND DEFINITIONS
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This License applies to any manual or other work that contains a
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notice placed by the copyright holder saying it can be distributed
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under the terms of this License. The "Document", below, refers to
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any such manual or work. Any member of the public is a licensee,
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and is addressed as "you".
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A "Modified Version" of the Document means any work containing
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the 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
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section of the Document that deals exclusively with the
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relationship of the publishers or authors of the Document to the
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Document's overall subject (or to related matters) and contains
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nothing that could fall directly within that overall subject. (For
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example, if the Document is in part a textbook of mathematics, a
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Secondary Section may not explain any mathematics.) The
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relationship could be a matter of historical connection with the
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subject or with related matters, or of legal, commercial,
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philosophical, ethical or political position regarding them.
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The "Invariant Sections" are certain Secondary Sections whose
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titles are designated, as being those of Invariant Sections, in the
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notice that says that the Document is released under this
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License.
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The "Cover Texts" are certain short passages of text that are
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listed, as Front-Cover Texts or Back-Cover Texts, in the notice
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that says that the Document is released under this License.
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A "Transparent" copy of the Document means a machine-readable
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copy, represented in a format whose specification is available to
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the general public, whose contents can be viewed and edited
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directly and straightforwardly with generic text editors or (for
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images composed of pixels) generic paint programs or (for drawings)
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some widely available drawing editor, and that is suitable for
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input to text formatters or for automatic translation to a variety
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of formats suitable for input to text formatters. A copy made in an
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otherwise Transparent file format whose markup has been designed to
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thwart or discourage subsequent modification by readers is not
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Transparent. A copy that is not "Transparent" is called
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"Opaque".
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Examples of suitable formats for Transparent copies include
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plain ASCII without markup, Texinfo input format, LaTeX input
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format, SGML or XML using a publicly available DTD, and
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standard-conforming simple HTML designed for human modification.
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Opaque formats include PostScript, PDF, proprietary formats that
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can be read and edited only by proprietary word processors, SGML or
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XML for which the DTD and/or processing tools are not generally
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available, and the machine-generated HTML 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
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itself, plus such following pages as are needed to hold, legibly,
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the material this License requires to appear in the title page. For
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works in formats which do not have any title page as such, "Title
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Page" means the text near the most prominent appearance of the
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work's title, preceding the beginning of the body of the text.
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2. VERBATIM COPYING
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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
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applies to the Document are reproduced in all copies, and that you
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add no other conditions whatsoever to those of this License. You
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may not use technical measures to obstruct or control the reading
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or further copying of the copies you make or distribute. However,
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you may accept compensation in exchange for copies. If you
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distribute a large enough number of copies you must also follow the
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conditions in section 3.
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You may also lend copies, under the same conditions stated
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above, and you may publicly display copies.
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3. COPYING IN QUANTITY
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If you publish printed copies of the Document numbering more
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than 100, and the Document's license notice requires Cover Texts,
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you must enclose the copies in covers that carry, clearly and
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legibly, all these Cover Texts: Front-Cover Texts on the front
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cover, and Back-Cover Texts on the back cover. Both covers must
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also clearly and legibly identify you as the publisher of these
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copies. The front cover must present the full title with all words
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of the title equally prominent and visible. You may add other
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material on the covers in addition. Copying with changes limited to
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the covers, as long as they preserve the title of the Document and
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satisfy these conditions, can be treated as verbatim copying in
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other respects.
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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
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adjacent pages.
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If you publish or distribute Opaque copies of the Document
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numbering more than 100, you must either include a machine-readable
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Transparent copy along with each Opaque copy, or state in or with
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each Opaque copy a publicly-accessible computer-network location
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containing a complete Transparent copy of the Document, free of
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added material, which the general network-using public has access
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to download anonymously at no charge using public-standard network
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protocols. If you use the latter option, you must take reasonably
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prudent steps, when you begin distribution of Opaque copies in
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quantity, to ensure that this Transparent copy will remain thus
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accessible at the stated location until at least one year after the
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last time you distribute an Opaque copy (directly or through your
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agents or retailers) of that edition to the public.
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It is requested, but not required, that you contact the authors
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of the Document well before redistributing any large number of
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copies, to give them a chance to provide you with an updated
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version of the Document.
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4. MODIFICATIONS
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You may copy and distribute a Modified Version of the Document
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under the conditions of sections 2 and 3 above, provided that you
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release the Modified Version under precisely this License, with the
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Modified Version filling the role of the Document, thus licensing
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distribution and modification of the Modified Version to whoever
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possesses a copy of it. In addition, you must do these things in
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the Modified Version:
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A. Use in the Title Page (and on the covers,
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if any) a title distinct from that of the Document, and from those
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of previous versions (which should, if there were any, be listed in
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the History section of the Document). You may use the same title as
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a previous version if the original publisher of that version gives
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permission.
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B. List on the Title Page, as authors, one or
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more persons or entities responsible for authorship of the
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modifications in the Modified Version, together with at least five
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of the principal authors of the Document (all of its principal
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authors, if it has less than five).
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C. State on the Title page the name of the
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publisher of the Modified Version, as the publisher.
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D. Preserve all the copyright notices of the
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Document.
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E. Add an appropriate copyright notice for
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your modifications adjacent to the other copyright notices.
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F. Include, immediately after the copyright
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notices, a license notice giving the public permission to use the
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Modified Version under the terms of this License, in the form shown
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in the Addendum below.
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G. Preserve in that license notice the full
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lists of Invariant Sections and required Cover Texts given in the
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Document's license notice.
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H. Include an unaltered copy of this
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License.
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I. Preserve the section entitled "History",
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and its title, and add to it an item stating at least the title,
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year, new authors, and publisher of the Modified Version as given
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on the Title Page. If there is no section entitled "History" in the
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Document, create one stating the title, year, authors, and
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publisher of the Document as given on its Title Page, then add an
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item describing the Modified Version as stated in the previous
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sentence.
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J. Preserve the network location, if any,
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given in the Document for public access to a Transparent copy of
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the Document, and likewise the network locations given in the
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Document for previous versions it was based on. These may be placed
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in the "History" section. You may omit a network location for a
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work that was published at least four years before the Document
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itself, or if the original publisher of the version it refers to
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gives permission.
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K. In any section entitled "Acknowledgements"
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or "Dedications", preserve the section's title, and preserve in the
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section all the substance and tone of each of the contributor
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acknowledgements and/or dedications given therein.
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L. Preserve all the Invariant Sections of the
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Document, unaltered in their text and in their titles. Section
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numbers or the equivalent are not considered part of the section
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titles.
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M. Delete any section entitled "Endorsements".
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Such a section may not be included in the Modified Version.
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N. Do not retitle any existing section as
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"Endorsements" or to conflict in title with any Invariant
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Section.
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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
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material copied from the Document, you may at your option designate
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some or all of these sections as invariant. To do this, add their
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titles to the list of Invariant Sections in the Modified Version's
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license notice. These titles must be distinct from any other
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section titles.
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You may add a section entitled "Endorsements", provided it
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contains nothing but endorsements of your Modified Version by
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various parties--for example, statements of peer review or that the
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text has been approved by an organization as the authoritative
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definition of a standard.
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You may add a passage of up to five words as a Front-Cover Text,
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and a passage of up to 25 words as a Back-Cover Text, to the end of
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the list of Cover Texts in the Modified Version. Only one passage
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of 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
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already includes a cover text for the same cover, previously added
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by you or by arrangement made by the same entity you are acting on
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behalf of, you may not add another; but you may replace the old
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one, on explicit permission from the previous publisher that added
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the old one.
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The author(s) and publisher(s) of the Document do not by this
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License give permission to use their names for publicity for or to
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assert or imply endorsement of any Modified Version.
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5. COMBINING DOCUMENTS
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You may combine the Document with other documents released under
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this License, under the terms defined in section 4 above for
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modified versions, provided that you include in the combination all
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of the Invariant Sections of all of the original documents,
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unmodified, and list them all as Invariant Sections of your
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combined work in its license notice.
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The combined work need only contain one copy of this License,
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and multiple identical Invariant Sections may be replaced with a
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single copy. If there are multiple Invariant Sections with the same
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name but different contents, make the title of each such section
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unique by adding at the end of it, in parentheses, the name of the
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original author or publisher of that section if known, or else a
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unique number. Make the same adjustment to the section titles in
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the list of Invariant Sections in the license notice of the
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combined work.
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In the combination, you must combine any sections entitled
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"History" in the various original documents, forming one section
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entitled "History"; likewise combine any sections entitled
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"Acknowledgements", and any sections entitled "Dedications". You
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must delete all sections entitled "Endorsements."
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6. COLLECTIONS OF DOCUMENTS
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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
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rules of this License for verbatim copying of each of the documents
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in all other respects.
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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
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a 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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7. AGGREGATION WITH INDEPENDENT WORKS
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A compilation of the Document or its derivatives with other
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separate and independent documents or works, in or on a volume of a
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storage or distribution medium, does not as a whole count as a
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Modified Version of the Document, provided no compilation copyright
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is claimed for the compilation. Such a compilation is called an
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"aggregate", and this License does not apply to the other
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self-contained works thus compiled with the Document, on account of
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their being thus compiled, if they are not themselves derivative
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works of the Document.
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If the Cover Text requirement of section 3 is applicable to
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these copies of the Document, then if the Document is less than one
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quarter of the entire aggregate, the Document's Cover Texts may be
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placed on covers that surround only the Document within the
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aggregate. Otherwise they must appear on covers around the whole
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aggregate.
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8. TRANSLATION
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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
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4. 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 provided that you also include the
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original English version of this License. In case of a disagreement
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between the translation and the original English version of this
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License, the original English version will prevail.
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9. TERMINATION
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You may not copy, modify, sublicense, or distribute the Document
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except as expressly provided for under this License. Any other
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attempt to copy, modify, sublicense or distribute the Document is
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void, and will automatically terminate your rights under this
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License. However, parties who have received copies, or rights, from
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you under this License will not have their licenses terminated so
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long as such parties remain in full compliance.
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10. FUTURE REVISIONS OF THIS LICENSE
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The Free Software Foundation may publish new, revised versions
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of the GNU Free Documentation License from time to time. Such new
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versions will be similar in spirit to the present version, but may
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differ in detail to address new problems or concerns. See
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http://www.gnu.org/copyleft/.
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Each version of the License is given a distinguishing version
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number. If the Document specifies that a particular numbered
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version of this License "or any later version" applies to it, you
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have the option of following the terms and conditions either of
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that specified version or of any later version that has been
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published (not as a draft) by the Free Software Foundation. If the
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Document does not specify a version number of this License, you may
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choose any version ever published (not as a draft) by the Free
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Software Foundation.
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--------------------------------------------------------------------
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How to use this License for your documents
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To use this License in a document you have written, include a
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copy of the License in the document and put the following copyright
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and license notices just after the title page:
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Copyright (c) YEAR YOUR NAME.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.1
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or any later version published by the Free Software Foundation;
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with the Invariant Sections being LIST THEIR TITLES, with the
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Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.
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A copy of the license is included in the section entitled "GNU
|
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Free Documentation License".
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If you have no Invariant Sections, write "with no Invariant
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Sections" instead of saying which ones are invariant. If you have
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no Front-Cover Texts, write "no Front-Cover Texts" instead of
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"Front-Cover Texts being LIST"; likewise for Back-Cover Texts.
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If your document contains nontrivial examples of program code,
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we recommend releasing these examples in parallel under your choice
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of free software license, such as the GNU General Public License,
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to permit their use in free software.
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</literallayout>
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</sect1>
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