| 1 | This is gprof.info, produced by makeinfo version 4.3 from gprof.texi.
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| 2 | 
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| 3 | START-INFO-DIR-ENTRY
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| 4 | * gprof: (gprof).                Profiling your program's execution
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| 5 | END-INFO-DIR-ENTRY
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| 6 | 
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| 7 |    This file documents the gprof profiler of the GNU system.
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| 8 | 
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| 9 |    Copyright (C) 1988, 92, 97, 98, 99, 2000, 2001 Free Software
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| 10 | Foundation, Inc.
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| 11 | 
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| 12 |    Permission is granted to copy, distribute and/or modify this document
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| 13 | under the terms of the GNU Free Documentation License, Version 1.1 or
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| 14 | any later version published by the Free Software Foundation; with no
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| 15 | Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
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| 16 | Texts.  A copy of the license is included in the section entitled "GNU
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| 17 | Free Documentation License".
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| 18 | 
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| 19 | 
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| 20 | File: gprof.info,  Node: GNU Free Documentation License,  Prev: Details,  Up: Top
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| 21 | 
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| 22 | GNU Free Documentation License
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| 23 | ******************************
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| 24 | 
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| 25 |    GNU Free Documentation License
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| 26 | 
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| 27 |    Version 1.1, March 2000
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| 28 | 
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| 29 |    Copyright (C) 2000  Free Software Foundation, Inc.    59 Temple
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| 30 | Place, Suite 330, Boston, MA  02111-1307  USA
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| 31 | 
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| 32 |    Everyone is permitted to copy and distribute verbatim copies  of
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| 33 | this license document, but changing it is not allowed.
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| 34 | 
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| 35 |    0. PREAMBLE
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| 36 | 
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| 37 |    The purpose of this License is to make a manual, textbook, or other
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| 38 | written document "free" in the sense of freedom: to assure everyone the
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| 39 | effective freedom to copy and redistribute it, with or without
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| 40 | modifying it, either commercially or noncommercially.  Secondarily,
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| 41 | this License preserves for the author and publisher a way to get credit
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| 42 | for their work, while not being considered responsible for
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| 43 | modifications made by others.
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| 44 | 
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| 45 |    This License is a kind of "copyleft", which means that derivative
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| 46 | works of the document must themselves be free in the same sense.  It
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| 47 | complements the GNU General Public License, which is a copyleft license
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| 48 | designed for free software.
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| 49 | 
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| 50 |    We have designed this License in order to use it for manuals for free
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| 51 | software, because free software needs free documentation: a free
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| 52 | program should come with manuals providing the same freedoms that the
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| 53 | software does.  But this License is not limited to software manuals; it
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| 54 | can be used for any textual work, regardless of subject matter or
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| 55 | whether it is published as a printed book.  We recommend this License
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| 56 | principally for works whose purpose is instruction or reference.
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| 57 | 
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| 58 |    1. APPLICABILITY AND DEFINITIONS
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| 59 | 
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| 60 |    This License applies to any manual or other work that contains a
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| 61 | notice placed by the copyright holder saying it can be distributed
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| 62 | under the terms of this License.  The "Document", below, refers to any
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| 63 | such manual or work.  Any member of the public is a licensee, and is
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| 64 | addressed as "you".
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| 65 | 
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| 66 |    A "Modified Version" of the Document means any work containing the
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| 67 | Document or a portion of it, either copied verbatim, or with
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| 68 | modifications and/or translated into another language.
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| 69 | 
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| 70 |    A "Secondary Section" is a named appendix or a front-matter section
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| 71 | of the Document that deals exclusively with the relationship of the
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| 72 | publishers or authors of the Document to the Document's overall subject
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| 73 | (or to related matters) and contains nothing that could fall directly
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| 74 | within that overall subject.  (For example, if the Document is in part a
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| 75 | textbook of mathematics, a Secondary Section may not explain any
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| 76 | mathematics.)  The relationship could be a matter of historical
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| 77 | connection with the subject or with related matters, or of legal,
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| 78 | commercial, philosophical, ethical or political position regarding them.
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| 79 | 
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| 80 |    The "Invariant Sections" are certain Secondary Sections whose titles
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| 81 | are designated, as being those of Invariant Sections, in the notice
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| 82 | that says that the Document is released under this License.
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| 83 | 
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| 84 |    The "Cover Texts" are certain short passages of text that are listed,
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| 85 | as Front-Cover Texts or Back-Cover Texts, in the notice that says that
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| 86 | the Document is released under this License.
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| 87 | 
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| 88 |    A "Transparent" copy of the Document means a machine-readable copy,
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| 89 | represented in a format whose specification is available to the general
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| 90 | public, whose contents can be viewed and edited directly and
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| 91 | straightforwardly with generic text editors or (for images composed of
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| 92 | pixels) generic paint programs or (for drawings) some widely available
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| 93 | drawing editor, and that is suitable for input to text formatters or
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| 94 | for automatic translation to a variety of formats suitable for input to
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| 95 | text formatters.  A copy made in an otherwise Transparent file format
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| 96 | whose markup has been designed to thwart or discourage subsequent
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| 97 | modification by readers is not Transparent.  A copy that is not
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| 98 | "Transparent" is called "Opaque".
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| 99 | 
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| 100 |    Examples of suitable formats for Transparent copies include plain
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| 101 | ASCII without markup, Texinfo input format, LaTeX input format, SGML or
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| 102 | XML using a publicly available DTD, and standard-conforming simple HTML
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| 103 | designed for human modification.  Opaque formats include PostScript,
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| 104 | PDF, proprietary formats that can be read and edited only by
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| 105 | proprietary word processors, SGML or XML for which the DTD and/or
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| 106 | processing tools are not generally available, and the machine-generated
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| 107 | HTML produced by some word processors for output purposes only.
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| 108 | 
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| 109 |    The "Title Page" means, for a printed book, the title page itself,
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| 110 | plus such following pages as are needed to hold, legibly, the material
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| 111 | this License requires to appear in the title page.  For works in
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| 112 | formats which do not have any title page as such, "Title Page" means
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| 113 | the text near the most prominent appearance of the work's title,
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| 114 | preceding the beginning of the body of the text.
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| 115 | 
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| 116 |    2. VERBATIM COPYING
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| 117 | 
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| 118 |    You may copy and distribute the Document in any medium, either
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| 119 | commercially or noncommercially, provided that this License, the
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| 120 | copyright notices, and the license notice saying this License applies
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| 121 | to the Document are reproduced in all copies, and that you add no other
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| 122 | conditions whatsoever to those of this License.  You may not use
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| 123 | technical measures to obstruct or control the reading or further
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| 124 | copying of the copies you make or distribute.  However, you may accept
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| 125 | compensation in exchange for copies.  If you distribute a large enough
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| 126 | number of copies you must also follow the conditions in section 3.
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| 127 | 
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| 128 |    You may also lend copies, under the same conditions stated above, and
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| 129 | you may publicly display copies.
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| 130 | 
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| 131 |    3. COPYING IN QUANTITY
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| 132 | 
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| 133 |    If you publish printed copies of the Document numbering more than
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| 134 | 100, and the Document's license notice requires Cover Texts, you must
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| 135 | enclose the copies in covers that carry, clearly and legibly, all these
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| 136 | Cover Texts: Front-Cover Texts on the front cover, and Back-Cover Texts
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| 137 | on the back cover.  Both covers must also clearly and legibly identify
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| 138 | you as the publisher of these copies.  The front cover must present the
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| 139 | full title with all words of the title equally prominent and visible.
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| 140 | You may add other material on the covers in addition.  Copying with
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| 141 | changes limited to the covers, as long as they preserve the title of
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| 142 | the Document and satisfy these conditions, can be treated as verbatim
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| 143 | copying in other respects.
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| 144 | 
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| 145 |    If the required texts for either cover are too voluminous to fit
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| 146 | legibly, you should put the first ones listed (as many as fit
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| 147 | reasonably) on the actual cover, and continue the rest onto adjacent
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| 148 | pages.
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| 149 | 
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| 150 |    If you publish or distribute Opaque copies of the Document numbering
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| 151 | more than 100, you must either include a machine-readable Transparent
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| 152 | copy along with each Opaque copy, or state in or with each Opaque copy
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| 153 | a publicly-accessible computer-network location containing a complete
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| 154 | Transparent copy of the Document, free of added material, which the
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| 155 | general network-using public has access to download anonymously at no
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| 156 | charge using public-standard network protocols.  If you use the latter
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| 157 | option, you must take reasonably prudent steps, when you begin
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| 158 | distribution of Opaque copies in quantity, to ensure that this
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| 159 | Transparent copy will remain thus accessible at the stated location
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| 160 | until at least one year after the last time you distribute an Opaque
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| 161 | copy (directly or through your agents or retailers) of that edition to
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| 162 | the public.
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| 163 | 
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| 164 |    It is requested, but not required, that you contact the authors of
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| 165 | the Document well before redistributing any large number of copies, to
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| 166 | give them a chance to provide you with an updated version of the
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| 167 | Document.
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| 168 | 
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| 169 |    4. MODIFICATIONS
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| 170 | 
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| 171 |    You may copy and distribute a Modified Version of the Document under
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| 172 | the conditions of sections 2 and 3 above, provided that you release the
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| 173 | Modified Version under precisely this License, with the Modified
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| 174 | Version filling the role of the Document, thus licensing distribution
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| 175 | and modification of the Modified Version to whoever possesses a copy of
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| 176 | it.  In addition, you must do these things in the Modified Version:
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| 177 | 
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| 178 |    A. Use in the Title Page (and on the covers, if any) a title distinct
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| 179 |   from that of the Document, and from those of previous versions
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| 180 | (which should, if there were any, be listed in the History section
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| 181 | of the Document).  You may use the same title as a previous version
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| 182 | if the original publisher of that version gives permission.  B. List on
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| 183 | the Title Page, as authors, one or more persons or entities
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| 184 | responsible for authorship of the modifications in the Modified
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| 185 | Version, together with at least five of the principal authors of the
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| 186 | Document (all of its principal authors, if it has less than five).  C.
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| 187 | State on the Title page the name of the publisher of the    Modified
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| 188 | Version, as the publisher.  D. Preserve all the copyright notices of
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| 189 | the Document.  E. Add an appropriate copyright notice for your
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| 190 | modifications    adjacent to the other copyright notices.  F. Include,
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| 191 | immediately after the copyright notices, a license notice    giving the
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| 192 | public permission to use the Modified Version under the    terms of
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| 193 | this License, in the form shown in the Addendum below.  G. Preserve in
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| 194 | that license notice the full lists of Invariant Sections    and
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| 195 | required Cover Texts given in the Document's license notice.  H.
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| 196 | Include an unaltered copy of this License.  I. Preserve the section
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| 197 | entitled "History", and its title, and add to    it an item stating at
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| 198 | least the title, year, new authors, and    publisher of the Modified
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| 199 | Version as given on the Title Page.  If    there is no section entitled
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| 200 | "History" in the Document, create one    stating the title, year,
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| 201 | authors, and publisher of the Document as    given on its Title Page,
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| 202 | then add an item describing the Modified    Version as stated in the
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| 203 | previous sentence.  J. Preserve the network location, if any, given in
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| 204 | the Document for    public access to a Transparent copy of the
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| 205 | Document, and likewise    the network locations given in the Document
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| 206 | for previous versions    it was based on.  These may be placed in the
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| 207 | "History" section.     You may omit a network location for a work that
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| 208 | was published at    least four years before the Document itself, or if
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| 209 | the original    publisher of the version it refers to gives permission.
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| 210 | K. In any section entitled "Acknowledgements" or "Dedications",
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| 211 | preserve the section's title, and preserve in the section all the
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| 212 | substance and tone of each of the contributor acknowledgements
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| 213 | and/or dedications given therein.  L. Preserve all the Invariant
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| 214 | Sections of the Document,    unaltered in their text and in their
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| 215 | titles.  Section numbers    or the equivalent are not considered part
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| 216 | of the section titles.  M. Delete any section entitled "Endorsements".
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| 217 | Such a section    may not be included in the Modified Version.  N. Do
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| 218 | not retitle any existing section as "Endorsements"    or to conflict in
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| 219 | title with any Invariant Section.
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| 220 | 
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| 221 |    If the Modified Version includes new front-matter sections or
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| 222 | appendices that qualify as Secondary Sections and contain no material
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| 223 | copied from the Document, you may at your option designate some or all
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| 224 | of these sections as invariant.  To do this, add their titles to the
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| 225 | list of Invariant Sections in the Modified Version's license notice.
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| 226 | These titles must be distinct from any other section titles.
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| 227 | 
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| 228 |    You may add a section entitled "Endorsements", provided it contains
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| 229 | nothing but endorsements of your Modified Version by various
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| 230 | parties-for example, statements of peer review or that the text has
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| 231 | been approved by an organization as the authoritative definition of a
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| 232 | standard.
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| 233 | 
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| 234 |    You may add a passage of up to five words as a Front-Cover Text, and
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| 235 | a passage of up to 25 words as a Back-Cover Text, to the end of the list
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| 236 | of Cover Texts in the Modified Version.  Only one passage of
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| 237 | Front-Cover Text and one of Back-Cover Text may be added by (or through
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| 238 | arrangements made by) any one entity.  If the Document already includes
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| 239 | a cover text for the same cover, previously added by you or by
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| 240 | arrangement made by the same entity you are acting on behalf of, you
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| 241 | may not add another; but you may replace the old one, on explicit
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| 242 | permission from the previous publisher that added the old one.
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| 243 | 
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| 244 |    The author(s) and publisher(s) of the Document do not by this License
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| 245 | give permission to use their names for publicity for or to assert or
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| 246 | imply endorsement of any Modified Version.
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| 247 | 
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| 248 |    5. COMBINING DOCUMENTS
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| 249 | 
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| 250 |    You may combine the Document with other documents released under this
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| 251 | License, under the terms defined in section 4 above for modified
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| 252 | versions, provided that you include in the combination all of the
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| 253 | Invariant Sections of all of the original documents, unmodified, and
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| 254 | list them all as Invariant Sections of your combined work in its
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| 255 | license notice.
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| 256 | 
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| 257 |    The combined work need only contain one copy of this License, and
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| 258 | multiple identical Invariant Sections may be replaced with a single
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| 259 | copy.  If there are multiple Invariant Sections with the same name but
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| 260 | different contents, make the title of each such section unique by
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| 261 | adding at the end of it, in parentheses, the name of the original
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| 262 | author or publisher of that section if known, or else a unique number.
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| 263 | Make the same adjustment to the section titles in the list of Invariant
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| 264 | Sections in the license notice of the combined work.
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| 265 | 
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| 266 |    In the combination, you must combine any sections entitled "History"
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| 267 | in the various original documents, forming one section entitled
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| 268 | "History"; likewise combine any sections entitled "Acknowledgements",
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| 269 | and any sections entitled "Dedications".  You must delete all sections
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| 270 | entitled "Endorsements."
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| 271 | 
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| 272 |    6. COLLECTIONS OF DOCUMENTS
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| 273 | 
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| 274 |    You may make a collection consisting of the Document and other
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| 275 | documents released under this License, and replace the individual
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| 276 | copies of this License in the various documents with a single copy that
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| 277 | is included in the collection, provided that you follow the rules of
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| 278 | this License for verbatim copying of each of the documents in all other
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| 279 | respects.
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| 280 | 
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| 281 |    You may extract a single document from such a collection, and
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| 282 | distribute it individually under this License, provided you insert a
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| 283 | copy of this License into the extracted document, and follow this
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| 284 | License in all other respects regarding verbatim copying of that
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| 285 | document.
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| 286 | 
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| 287 |    7. AGGREGATION WITH INDEPENDENT WORKS
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| 288 | 
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| 289 |    A compilation of the Document or its derivatives with other separate
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| 290 | and independent documents or works, in or on a volume of a storage or
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| 291 | distribution medium, does not as a whole count as a Modified Version of
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| 292 | the Document, provided no compilation copyright is claimed for the
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| 293 | compilation.  Such a compilation is called an "aggregate", and this
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| 294 | License does not apply to the other self-contained works thus compiled
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| 295 | with the Document, on account of their being thus compiled, if they are
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| 296 | not themselves derivative works of the Document.
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| 297 | 
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| 298 |    If the Cover Text requirement of section 3 is applicable to these
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| 299 | copies of the Document, then if the Document is less than one quarter
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| 300 | of the entire aggregate, the Document's Cover Texts may be placed on
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| 301 | covers that surround only the Document within the aggregate.  Otherwise
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| 302 | they must appear on covers around the whole aggregate.
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| 303 | 
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| 304 |    8. TRANSLATION
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| 305 | 
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| 306 |    Translation is considered a kind of modification, so you may
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| 307 | distribute translations of the Document under the terms of section 4.
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| 308 | Replacing Invariant Sections with translations requires special
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| 309 | permission from their copyright holders, but you may include
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| 310 | translations of some or all Invariant Sections in addition to the
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| 311 | original versions of these Invariant Sections.  You may include a
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| 312 | translation of this License provided that you also include the original
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| 313 | English version of this License.  In case of a disagreement between the
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| 314 | translation and the original English version of this License, the
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| 315 | original English version will prevail.
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| 316 | 
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| 317 |    9. TERMINATION
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| 318 | 
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| 319 |    You may not copy, modify, sublicense, or distribute the Document
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| 320 | except as expressly provided for under this License.  Any other attempt
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| 321 | to copy, modify, sublicense or distribute the Document is void, and will
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| 322 | automatically terminate your rights under this License.  However,
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| 323 | parties who have received copies, or rights, from you under this
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| 324 | License will not have their licenses terminated so long as such parties
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| 325 | remain in full compliance.
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| 326 | 
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| 327 |    10. FUTURE REVISIONS OF THIS LICENSE
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| 328 | 
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| 329 |    The Free Software Foundation may publish new, revised versions of
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| 330 | the GNU Free Documentation License from time to time.  Such new
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| 331 | versions will be similar in spirit to the present version, but may
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| 332 | differ in detail to address new problems or concerns.  See
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| 333 | http://www.gnu.org/copyleft/.
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| 334 | 
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| 335 |    Each version of the License is given a distinguishing version number.
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| 336 | If the Document specifies that a particular numbered version of this
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| 337 | License "or any later version" applies to it, you have the option of
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| 338 | following the terms and conditions either of that specified version or
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| 339 | of any later version that has been published (not as a draft) by the
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| 340 | Free Software Foundation.  If the Document does not specify a version
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| 341 | number of this License, you may choose any version ever published (not
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| 342 | as a draft) by the Free Software Foundation.
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| 343 | 
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| 344 |    ADDENDUM: How to use this License for your documents
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| 345 | 
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| 346 |    To use this License in a document you have written, include a copy of
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| 347 | the License in the document and put the following copyright and license
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| 348 | notices just after the title page:
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| 349 | 
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| 350 |          Copyright (c)  YEAR  YOUR NAME.
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| 351 |          Permission is granted to copy, distribute and/or modify this document
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| 352 |          under the terms of the GNU Free Documentation License, Version 1.1
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| 353 |          or any later version published by the Free Software Foundation;
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| 354 |          with the Invariant Sections being LIST THEIR TITLES, with the
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| 355 |          Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.
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| 356 |          A copy of the license is included in the section entitled "GNU
 | 
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| 357 |          Free Documentation License".
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| 358 | 
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| 359 |    If you have no Invariant Sections, write "with no Invariant Sections"
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| 360 | instead of saying which ones are invariant.  If you have no Front-Cover
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| 361 | Texts, write "no Front-Cover Texts" instead of "Front-Cover Texts being
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| 362 | LIST"; likewise for Back-Cover Texts.
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| 363 | 
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| 364 |    If your document contains nontrivial examples of program code, we
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| 365 | recommend releasing these examples in parallel under your choice of
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| 366 | free software license, such as the GNU General Public License, to
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| 367 | permit their use in free software.
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| 368 | 
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| 369 | 
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