| <appendix id="licenses-gfdl" xreflabel="GNU Free Documentation License"> |
| |
| <title>GNU Free Documentation License</title> |
| |
| <para>Version 1.2, November 2002</para> |
| |
| <para>Copyright © 2000, 2001, 2002 Free Software Foundation, |
| Inc. 675 Mass Ave, Cambridge, MA 02139, USA</para> |
| |
| <para>Everyone is permitted to copy and distribute verbatim copies |
| of this license document, but changing it is not allowed.</para> |
| |
| <sect1 id="licenses-gfdl-section-1" xreflabel="Preamble"> |
| |
| <title>Preamble</title> |
| |
| <para>The purpose of this License is to make a manual, |
| textbook, or other functional and useful document |
| <quote>free</quote> in the sense of freedom: to assure |
| everyone the effective freedom to copy and redistribute it, |
| with or without modifying it, either commercially or |
| noncommercially. Secondarily, this License preserves for the |
| author and publisher a way to get credit for their work, while |
| not being considered responsible for modifications made by |
| others.</para> |
| |
| <para>This License is a kind of <quote>copyleft</quote>, which |
| means that derivative works of the document must themselves be |
| free in the same sense. It complements the <xref |
| linkend="licenses-gfdl" />, which is a copyleft license |
| designed for free software.</para> |
| |
| <para>We have designed this License in order to use it for |
| manuals for free software, because free software needs free |
| documentation: a free program should come with manuals |
| providing the same freedoms that the software does. But this |
| License is not limited to software manuals; it can be used for |
| any textual work, regardless of subject matter or whether it |
| is published as a printed book. We recommend this License |
| principally for works whose purpose is instruction or |
| reference.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-2" xreflabel="Applicability and definitions"> |
| |
| <title>Applicability and definitions</title> |
| |
| <para>This License applies to any manual or other work, in any |
| medium, that contains a notice placed by the copyright holder |
| saying it can be distributed under the terms of this License. |
| Such a notice grants a world-wide, royalty-free license, |
| unlimited in duration, to use that work under the conditions |
| stated herein. The <quote>Document</quote>, below, refers to |
| any such manual or work. Any member of the public is a |
| licensee, and is addressed as <quote>you</quote>. You accept |
| the license if you copy, modify or distribute the work in a |
| way requiring permission under copyright law.</para> |
| |
| <para id="modified-version" xreflabel="Modified Version">A |
| <quote>Modified Version</quote> of the Document means any work |
| containing the Document or a portion of it, either copied |
| verbatim, or with modifications and/or translated into another |
| language.</para> |
| |
| <para id="secondary-section" xreflabel="Secondary Section">A |
| <quote>Secondary Section</quote> is a named appendix or a |
| front-matter section of the Document that deals exclusively |
| with the relationship of the publishers or authors of the |
| Document to the Document's overall subject (or to related |
| matters) and contains nothing that could fall directly within |
| that overall subject. (Thus, if the Document is in part a |
| textbook of mathematics, a <xref linkend="secondary-section" |
| /> may not explain any mathematics.) The relationship could be |
| a matter of historical connection with the subject or with |
| related matters, or of legal, commercial, philosophical, |
| ethical or political position regarding them.</para> |
| |
| <para id="invariant-sections" xreflabel="Invariant |
| Sections">The <quote>Invariant Sections</quote> are certain |
| <xref linkend="secondary-section" /> whose titles are |
| designated, as being those of Invariant Sections, in the |
| notice that says that the Document is released under this |
| License. If a section does not fit the above definition of |
| Secondary then it is not allowed to be designated as |
| Invariant. The Document may contain zero Invariant Sections. |
| If the Document does not identify any Invariant Section then |
| there are none.</para> |
| |
| <para id="cover-texts" xreflabel="Cover Texts">The |
| <quote>Cover Texts</quote> are certain short passages of text |
| that are listed, as Front-Cover Texts or Back-Cover Texts, in |
| the notice that says that the Document is released under this |
| License. A Front-Cover Text may be at most 5 words, and a |
| Back-Cover Text may be at most 25 words.</para> |
| |
| <para id="transparent" xreflabel="Transparent">A |
| <quote>Transparent</quote> copy of the Document means a |
| machine-readable copy, represented in a format whose |
| specification is available to the general public, that is |
| suitable for revising the document straightforwardly with |
| generic text editors or (for images composed of pixels) |
| generic paint programs or (for drawings) some widely available |
| drawing editor, and that is suitable for input to text |
| formatters or for automatic translation to a variety of |
| formats suitable for input to text formatters. A copy made in |
| an otherwise <xref linkend="transparent" /> file format whose |
| markup, or absence of markup, has been arranged to thwart or |
| discourage subsequent modification by readers is not <xref |
| linkend="transparent" />. An image format is not <xref |
| linkend="transparent" /> if used for any substantial amount of |
| text. A copy that is not <quote><xref linkend="transparent" |
| /></quote> is called <quote>Opaque</quote>.</para> |
| |
| <para>Examples of suitable formats for <xref linkend="transparent" /> copies |
| include plain ASCII without markup, Texinfo input format, |
| LaTeX input format, SGML or XML using a publicly available |
| DTD, and standard-conforming simple HTML, PostScript or PDF |
| designed for human modification. Examples of transparent |
| image formats include PNG, XCF and JPG. Opaque formats |
| include proprietary formats that can be read and edited only |
| by proprietary word processors, SGML or XML for which the DTD |
| and/or processing tools are not generally available, and the |
| machine-generated HTML, PostScript or PDF produced by some |
| word processors for output purposes only.</para> |
| |
| <para id="title-page" xreflabel="Title Page">The <quote>Title |
| Page</quote> means, for a printed book, the title page itself, |
| plus such following pages as are needed to hold, legibly, the |
| material this License requires to appear in the title page. |
| For works in formats which do not have any title page as such, |
| <quote>Title Page</quote> means the text near the most |
| prominent appearance of the work's title, preceding the |
| beginning of the body of the text.</para> |
| |
| <para>A section <quote>Entitled XYZ</quote> means a named |
| subunit of the Document whose title either is precisely XYZ or |
| contains XYZ in parentheses following text that translates XYZ |
| in another language. (Here XYZ stands for a specific section |
| name mentioned below, such as <quote>Acknowledgements</quote>, |
| <quote>Dedications</quote>, <quote>Endorsements</quote>, or |
| <quote>History</quote>.) To <quote>Preserve the Title</quote> |
| of such a section when you modify the Document means that it |
| remains a section <quote>Entitled XYZ</quote> according to |
| this definition.</para> |
| |
| <para>The Document may include Warranty Disclaimers next to |
| the notice which states that this License applies to the |
| Document. These Warranty Disclaimers are considered to be |
| included by reference in this License, but only as regards |
| disclaiming warranties: any other implication that these |
| Warranty Disclaimers may have is void and has no effect on the |
| meaning of this License.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-3" xreflabel="Verbatim copying"> |
| |
| <title>Verbatim copying</title> |
| |
| <para>You may copy and distribute the Document in any medium, |
| either commercially or noncommercially, provided that this |
| License, the copyright notices, and the license notice saying |
| this License applies to the Document are reproduced in all |
| copies, and that you add no other conditions whatsoever to |
| those of this License. You may not use technical measures to |
| obstruct or control the reading or further copying of the |
| copies you make or distribute. However, you may accept |
| compensation in exchange for copies. If you distribute a |
| large enough number of copies you must also follow the |
| conditions in section <xref linkend="licenses-gfdl-section-4" |
| />.</para> |
| |
| <para>You may also lend copies, under the same conditions |
| stated above, and you may publicly display copies.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-4" xreflabel="Copying in quantity"> |
| |
| <title>Copying in quantity</title> |
| |
| <para>If you publish printed copies (or copies in media that |
| commonly have printed covers) of the Document, numbering more |
| than 100, and the Document's license notice requires Cover |
| Texts, you must enclose the copies in covers that carry, |
| clearly and legibly, all these <xref linkend="cover-texts" />: |
| Front-Cover Texts on the front cover, and Back-Cover Texts on |
| the back cover. Both covers must also clearly and legibly |
| identify you as the publisher of these copies. The front |
| cover must present the full title with all words of the title |
| equally prominent and visible. You may add other material on |
| the covers in addition. Copying with changes limited to the |
| covers, as long as they preserve the title of the Document and |
| satisfy these conditions, can be treated as verbatim copying |
| in other respects.</para> |
| |
| <para>If the required texts for either cover are too |
| voluminous to fit legibly, you should put the first ones |
| listed (as many as fit reasonably) on the actual cover, and |
| continue the rest onto adjacent pages.</para> |
| |
| <para>If you publish or distribute Opaque copies of the |
| Document numbering more than 100, you must either include a |
| machine-readable <xref linkend="transparent" /> copy along with each Opaque copy, |
| or state in or with each Opaque copy a computer-network |
| location from which the general network-using public has |
| access to download using public-standard network protocols a |
| complete <xref linkend="transparent" /> copy of the Document, free of added |
| material. If you use the latter option, you must take |
| reasonably prudent steps, when you begin distribution of |
| Opaque copies in quantity, to ensure that this <xref linkend="transparent" /> |
| copy will remain thus accessible at the stated location until |
| at least one year after the last time you distribute an Opaque |
| copy (directly or through your agents or retailers) of that |
| edition to the public.</para> |
| |
| <para>It is requested, but not required, that you contact the |
| authors of the Document well before redistributing any large |
| number of copies, to give them a chance to provide you with an |
| updated version of the Document.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-5" xreflabel="Modification"> |
| |
| <title>Modifications</title> |
| |
| <para>You may copy and distribute a <xref |
| linkend="modified-version" /> of the Document under the |
| conditions of sections <xref linkend="licenses-gfdl-section-3" |
| /> and <xref linkend="licenses-gfdl-section-4" /> above, |
| provided that you release the <xref linkend="modified-version" |
| /> under precisely this License, with the <xref |
| linkend="modified-version" /> filling the role of the |
| Document, thus licensing distribution and modification of the |
| <xref linkend="modified-version" /> to whoever possesses a |
| copy of it. In addition, you must do these things in the |
| <xref linkend="modified-version" />: |
| |
| <orderedlist numeration="upperalpha"> |
| |
| <listitem> |
| <para>Use in the <xref linkend="title-page" /> (and on |
| the covers, if any) a title distinct from that of the |
| Document, and from those of previous versions (which |
| should, if there were any, be listed in the History |
| section of the Document). You may use the same title |
| as a previous version if the original publisher of |
| that version gives permission.</para> </listitem> |
| |
| <listitem> |
| <para>List on the <xref linkend="title-page" />, as |
| authors, one or more persons or entities responsible |
| for authorship of the modifications in the <xref |
| linkend="modified-version" />, together with at least |
| five of the principal authors of the Document (all of |
| its principal authors, if it has fewer than five), |
| unless they release you from this requirement.</para> |
| </listitem> |
| |
| <listitem> |
| <para>State on the <xref linkend="title-page" /> the |
| name of the publisher of the <xref |
| linkend="modified-version" />, as the |
| publisher.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Preserve all the copyright notices of the |
| Document.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Add an appropriate copyright notice for your |
| modifications adjacent to the other copyright |
| notices.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Include, immediately after the copyright |
| notices, a license notice giving the public permission |
| to use the <xref linkend="modified-version" /> under the terms of this |
| License, in the form shown in the Addendum |
| below.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Preserve in that license notice the full lists |
| of <xref linkend="invariant-sections" /> and required |
| <xref linkend="cover-texts" /> given in the Document's |
| license notice.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Include an unaltered copy of this License.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Preserve the section Entitled |
| <quote>History</quote>, Preserve its Title, and add to |
| it an item stating at least the title, year, new |
| authors, and publisher of the <xref |
| linkend="modified-version" /> as given on the <xref |
| linkend="title-page" />. If there is no section |
| Entitled <quote>History</quote> in the Document, create |
| one stating the title, year, authors, and publisher of |
| the Document as given on its <xref linkend="title-page" |
| />, then add an item describing the <xref |
| linkend="modified-version" /> as stated in the previous |
| sentence.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Preserve the network location, if any, given in |
| the Document for public access to a <xref |
| linkend="transparent" /> copy of the Document, and |
| likewise the network locations given in the Document |
| for previous versions it was based on. These may be |
| placed in the <quote>History</quote> section. You may |
| omit a network location for a work that was published |
| at least four years before the Document itself, or if |
| the original publisher of the version it refers to |
| gives permission.</para> |
| </listitem> |
| |
| <listitem> |
| <para>For any section Entitled |
| <quote>Acknowledgements</quote> or |
| <quote>Dedications</quote>, Preserve the Title of the |
| section, and preserve in the section all the substance |
| and tone of each of the contributor acknowledgements |
| and/or dedications given therein.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Preserve all the <xref |
| linkend="invariant-sections" /> of the Document, |
| unaltered in their text and in their titles. Section |
| numbers or the equivalent are not considered part of |
| the section titles.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Delete any section Entitled |
| <quote>Endorsements</quote>. Such a section may not |
| be included in the <xref linkend="modified-version" />.</para> |
| </listitem> |
| |
| <listitem> |
| <para>Do not retitle any existing section to be |
| Entitled <quote>Endorsements</quote> or to conflict in |
| title with any <xref linkend="invariant-sections" |
| />.</para> </listitem> |
| |
| <listitem> |
| <para>Preserve any Warranty Disclaimers.</para> |
| </listitem> |
| </orderedlist> |
| </para> |
| |
| <para>If the <xref linkend="modified-version" /> includes new |
| front-matter sections or appendices that qualify as <xref |
| linkend="secondary-section" /> and contain no material copied |
| from the Document, you may at your option designate some or |
| all of these sections as invariant. To do this, add their |
| titles to the list of <xref linkend="invariant-sections"/> in the <xref |
| linkend="modified-version" />'s license notice. These titles |
| must be distinct from any other section titles.</para> |
| |
| <para>You may add a section Entitled |
| <quote>Endorsements</quote>, provided it contains nothing but |
| endorsements of your <xref linkend="modified-version" /> by various |
| parties–for example, statements of peer review or that |
| the text has been approved by an organization as the |
| authoritative definition of a standard.</para> |
| |
| <para>You may add a passage of up to five words as a |
| Front-Cover Text, and a passage of up to 25 words as a |
| Back-Cover Text, to the end of the list of <xref |
| linkend="cover-texts"/> in the <xref |
| linkend="modified-version" />. Only one passage of |
| Front-Cover Text and one of Back-Cover Text may be added by |
| (or through arrangements made by) any one entity. If the |
| Document already includes a cover text for the same cover, |
| previously added by you or by arrangement made by the same |
| entity you are acting on behalf of, you may not add another; |
| but you may replace the old one, on explicit permission from |
| the previous publisher that added the old one.</para> |
| |
| <para>The author(s) and publisher(s) of the Document do not by |
| this License give permission to use their names for publicity |
| for or to assert or imply endorsement of any <xref |
| linkend="modified-version" />.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-6" xreflabel="Combining documents"> |
| |
| <title>Combining documents</title> |
| |
| <para>You may combine the Document with other documents |
| released under this License, under the terms defined in |
| section <xref linkend="licenses-gfdl-section-5" /> above for |
| modified versions, provided that you include in the |
| combination all of the <xref linkend="invariant-sections"/> of |
| all of the original documents, unmodified, and list them all |
| as <xref linkend="invariant-sections"/> of your combined work |
| in its license notice, and that you preserve all their |
| Warranty Disclaimers.</para> |
| |
| <para>The combined work need only contain one copy of this |
| License, and multiple identical <xref |
| linkend="invariant-sections"/> may be replaced with a single |
| copy. If there are multiple <xref |
| linkend="invariant-sections" /> with the same name but |
| different contents, make the title of each such section unique |
| by adding at the end of it, in parentheses, the name of the |
| original author or publisher of that section if known, or else |
| a unique number. Make the same adjustment to the section |
| titles in the list of <xref linkend="invariant-sections" /> in |
| the license notice of the combined work.</para> |
| |
| <para>In the combination, you must combine any sections |
| Entitled <quote>History</quote> in the various original |
| documents, forming one section Entitled |
| <quote>History</quote>; likewise combine any sections Entitled |
| <quote>Acknowledgements</quote>, and any sections Entitled |
| <quote>Dedications</quote>. You must delete all sections |
| Entitled <quote>Endorsements</quote>.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-7" xreflabel="Collection of documents"> |
| |
| <title>Collection of documents</title> |
| |
| <para>You may make a collection consisting of the Document and |
| other documents released under this License, and replace the |
| individual copies of this License in the various documents |
| with a single copy that is included in the collection, |
| provided that you follow the rules of this License for |
| verbatim copying of each of the documents in all other |
| respects.</para> |
| |
| <para>You may extract a single document from such a |
| collection, and distribute it individually under this License, |
| provided you insert a copy of this License into the extracted |
| document, and follow this License in all other respects |
| regarding verbatim copying of that document.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-8" xreflabel="Aggregation with independent works"> |
| |
| <title>Aggregation with independent works</title> |
| |
| <para>A compilation of the Document or its derivatives with |
| other separate and independent documents or works, in or on a |
| volume of a storage or distribution medium, is called an |
| <quote>aggregate</quote> if the copyright resulting from the |
| compilation is not used to limit the legal rights of the |
| compilation's users beyond what the individual works permit. |
| When the Document is included in an aggregate, this License |
| does not apply to the other works in the aggregate which are |
| not themselves derivative works of the Document.</para> |
| |
| <para>If the Cover Text requirement of section <xref |
| linkend="licenses-gfdl-section-4" /> is applicable to these |
| copies of the Document, then if the Document is less than one |
| half of the entire aggregate, the Document's <xref |
| linkend="cover-texts" /> may be placed on covers that bracket |
| the Document within the aggregate, or the electronic |
| equivalent of covers if the Document is in electronic form. |
| Otherwise they must appear on printed covers that bracket the |
| whole aggregate.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-9" xreflabel="Translations"> |
| |
| <title>Translations</title> |
| |
| <para>Translation is considered a kind of modification, so you |
| may distribute translations of the Document under the terms of |
| section <xref linkend="licenses-gfdl-section-5"/>. Replacing |
| <xref linkend="invariant-sections" />with translations |
| requires special permission from their copyright holders, but |
| you may include translations of some or all <xref |
| linkend="invariant-sections" /> in addition to the original |
| versions of these <xref linkend="invariant-sections" />. You |
| may include a translation of this License, and all the license |
| notices in the Document, and any Warranty Disclaimers, |
| provided that you also include the original English version of |
| this License and the original versions of those notices and |
| disclaimers. In case of a disagreement between the |
| translation and the original version of this License or a |
| notice or disclaimer, the original version will |
| prevail.</para> |
| |
| <para>If a section in the Document is Entitled |
| <quote>Acknowledgements</quote>, <quote>Dedications</quote>, |
| or <quote>History</quote>, the requirement (section <xref |
| linkend="licenses-gfdl-section-5" />) to Preserve its Title |
| (section <xref linkend="licenses-gfdl-section-2" />) will |
| typically require changing the actual title.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-10" xreflabel="Tremination"> |
| |
| <title>Termination</title> |
| |
| <para>You may not copy, modify, sublicense, or distribute the |
| Document except as expressly provided for under this License. |
| Any other attempt to copy, modify, sublicense or distribute |
| the Document is void, and will automatically terminate your |
| rights under this License. However, parties who have received |
| copies, or rights, from you under this License will not have |
| their licenses terminated so long as such parties remain in |
| full compliance.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-11" xreflabel="Future Revisions of this License"> |
| |
| <title>Future Revisions of this License</title> |
| |
| <para>The Free Software Foundation may publish new, revised |
| versions of the GNU Free Documentation License from time to |
| time. Such new versions will be similar in spirit to the |
| present version, but may differ in detail to address new |
| problems or concerns. See <ulink |
| url="http://www.gnu.org/copyleft/" />.</para> |
| |
| <para>Each version of the License is given a distinguishing |
| version number. If the Document specifies that a particular |
| numbered version of this License <quote>or any later |
| version</quote> applies to it, you have the option of |
| following the terms and conditions either of that specified |
| version or of any later version that has been published (not |
| as a draft) by the Free Software Foundation. If the Document |
| does not specify a version number of this License, you may |
| choose any version ever published (not as a draft) by the Free |
| Software Foundation.</para> |
| |
| </sect1> |
| |
| <sect1 id="licenses-gfdl-section-12" xreflabel="How to use this License for your documents"> |
| |
| <title>How to use this License for your documents</title> |
| |
| <para>To use this License in a document you have written, |
| include a copy of the License in the document and put the |
| following copyright and license notices just after the title |
| page:</para> |
| |
| <programlisting> |
| Copyright (C) YEAR YOUR NAME. |
| |
| Permission is granted to copy, distribute and/or modify this |
| document under the terms of the GNU Free Documentation License, |
| Version 1.2 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 <quote>GNU Free Documentation License</quote>. |
| </programlisting> |
| |
| <para>If you have <xref linkend="invariant-sections" />, |
| Front-Cover Texts and Back-Cover Texts, replace the |
| <quote>with...Texts</quote>. line with this:</para> |
| |
| <programlisting> |
| with the Invariant Sections being LIST THEIR TITLES, with the |
| Front-Cover Texts being LIST, and with the Back-Cover Texts being |
| LIST. |
| </programlisting> |
| |
| <para>If you have <xref linkend="invariant-sections" /> |
| without <xref linkend="cover-texts" />, or some other |
| combination of the three, merge those two alternatives to suit |
| the situation.</para> |
| |
| <para>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.</para> |
| |
| </sect1> |
| |
| </appendix> |