1<appendix xmlns="http://docbook.org/ns/docbook" version="5.0" 
2	  xml:id="appendix.gfdl-1.3">
3<info><title>GNU Free Documentation License</title></info>
4  <?dbhtml filename="appendix_gfdl.html"?>
5  
6  <simpara>Version 1.3, 3 November 2008</simpara>
7  <simpara>
8    Copyright �� 2000, 2001, 2002, 2007, 2008
9    <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://www.fsf.org">Free Software Foundation, Inc.</link>
10  </simpara>
11  <simpara>
12    Everyone is permitted to copy and distribute verbatim copies of this
13    license document, but changing it is not allowed.
14  </simpara>
15  <bridgehead xml:id="fdl-1-section0" renderas="sect2">
16    0. PREAMBLE
17  </bridgehead>
18  <simpara>
19    The purpose of this License is to make a manual, textbook, or other
20    functional and useful document ���free��� in the sense of freedom:
21    to assure everyone the effective freedom to copy and redistribute it, with
22    or without modifying it, either commercially or
23    noncommercially. Secondarily, this License preserves for the author and
24    publisher a way to get credit for their work, while not being considered
25    responsible for modifications made by others.
26  </simpara>
27  <simpara>
28    This License is a kind of ���copyleft���, which means that
29    derivative works of the document must themselves be free in the same
30    sense. It complements the GNU General Public License, which is a copyleft
31    license designed for free software.
32  </simpara>
33  <simpara>
34    We have designed this License in order to use it for manuals for free
35    software, because free software needs free documentation: a free program
36    should come with manuals providing the same freedoms that the software
37    does. But this License is not limited to software manuals; it can be used
38    for any textual work, regardless of subject matter or whether it is
39    published as a printed book. We recommend this License principally for
40    works whose purpose is instruction or reference.
41  </simpara>
42  <bridgehead xml:id="fdl-1-section1" renderas="sect2">
43    1. APPLICABILITY AND DEFINITIONS
44  </bridgehead>
45  <simpara>
46    This License applies to any manual or other work, in any medium, that
47    contains a notice placed by the copyright holder saying it can be
48    distributed under the terms of this License. Such a notice grants a
49    world-wide, royalty-free license, unlimited in duration, to use that work
50    under the conditions stated herein. The ���Document���, below,
51    refers to any such manual or work. Any member of the public is a licensee,
52    and is addressed as ���you���. You accept the license if you copy,
53    modify or distribute the work in a way requiring permission under
54    copyright law.
55  </simpara>
56  <simpara>
57    A ���Modified Version��� of the Document means any work containing
58    the Document or a portion of it, either copied verbatim, or with
59    modifications and/or translated into another language.
60  </simpara>
61  <simpara>
62    A ���Secondary Section��� is a named appendix or a front-matter
63    section of the Document that deals exclusively with the relationship of
64    the publishers or authors of the Document to the Document���s overall
65    subject (or to related matters) and contains nothing that could fall
66    directly within that overall subject. (Thus, if the Document is in part a
67    textbook of mathematics, a Secondary Section may not explain any
68    mathematics.) The relationship could be a matter of historical connection
69    with the subject or with related matters, or of legal, commercial,
70    philosophical, ethical or political position regarding them.
71  </simpara>
72  <simpara>
73    The ���Invariant Sections��� are certain Secondary Sections whose
74    titles are designated, as being those of Invariant Sections, in the notice
75    that says that the Document is released under this License. If a section
76    does not fit the above definition of Secondary then it is not allowed to
77    be designated as Invariant. The Document may contain zero Invariant
78    Sections. If the Document does not identify any Invariant Sections then
79    there are none.
80  </simpara>
81  <simpara>
82    The ���Cover Texts��� are certain short passages of text that are
83    listed, as Front-Cover Texts or Back-Cover Texts, in the notice that says
84    that the Document is released under this License. A Front-Cover Text may
85    be at most 5 words, and a Back-Cover Text may be at most 25 words.
86  </simpara>
87  <simpara>
88    A ���Transparent��� copy of the Document means a machine-readable
89    copy, represented in a format whose specification is available to the
90    general public, that is suitable for revising the document
91    straightforwardly with generic text editors or (for images composed of
92    pixels) generic paint programs or (for drawings) some widely available
93    drawing editor, and that is suitable for input to text formatters or for
94    automatic translation to a variety of formats suitable for input to text
95    formatters. A copy made in an otherwise Transparent file format whose
96    markup, or absence of markup, has been arranged to thwart or discourage
97    subsequent modification by readers is not Transparent. An image format is
98    not Transparent if used for any substantial amount of text. A copy that is
99    not ���Transparent��� is called ���Opaque���.
100  </simpara>
101  <simpara>
102    Examples of suitable formats for Transparent copies include plain ASCII
103    without markup, Texinfo input format, LaTeX input format, SGML or XML
104    using a publicly available DTD, and standard-conforming simple HTML,
105    PostScript or PDF designed for human modification. Examples of transparent
106    image formats include PNG, XCF and JPG. Opaque formats include proprietary
107    formats that can be read and edited only by proprietary word processors,
108    SGML or XML for which the DTD and/or processing tools are not generally
109    available, and the machine-generated HTML, PostScript or PDF produced by
110    some word processors for output purposes only.
111  </simpara>
112  <simpara>
113    The ���Title Page��� means, for a printed book, the title page
114    itself, plus such following pages as are needed to hold, legibly, the
115    material this License requires to appear in the title page. For works in
116    formats which do not have any title page as such, ���Title Page���
117    means the text near the most prominent appearance of the work���s
118    title, preceding the beginning of the body of the text.
119  </simpara>
120  <simpara>
121    The ���publisher��� means any person or entity that distributes
122    copies of the Document to the public.
123  </simpara>
124  <simpara>
125    A section ���Entitled XYZ��� means a named subunit of the Document
126    whose title either is precisely XYZ or contains XYZ in parentheses
127    following text that translates XYZ in another language. (Here XYZ stands
128    for a specific section name mentioned below, such as
129    ���Acknowledgements���, ���Dedications���,
130    ���Endorsements���, or ���History���.) To ���Preserve
131    the Title��� of such a section when you modify the Document means that
132    it remains a section ���Entitled XYZ��� according to this
133    definition.
134  </simpara>
135  <simpara>
136    The Document may include Warranty Disclaimers next to the notice which
137    states that this License applies to the Document. These Warranty
138    Disclaimers are considered to be included by reference in this License,
139    but only as regards disclaiming warranties: any other implication that
140    these Warranty Disclaimers may have is void and has no effect on the
141    meaning of this License.
142  </simpara>
143  <bridgehead xml:id="fdl-1-section2" renderas="sect2">
144    2. VERBATIM COPYING
145  </bridgehead>
146  <simpara>
147    You may copy and distribute the Document in any medium, either
148    commercially or noncommercially, provided that this License, the copyright
149    notices, and the license notice saying this License applies to the
150    Document are reproduced in all copies, and that you add no other
151    conditions whatsoever to those of this License. You may not use technical
152    measures to obstruct or control the reading or further copying of the
153    copies you make or distribute. However, you may accept compensation in
154    exchange for copies. If you distribute a large enough number of copies you
155    must also follow the conditions in section 3.
156  </simpara>
157  <simpara>
158    You may also lend copies, under the same conditions stated above, and you
159    may publicly display copies.
160  </simpara>
161  <bridgehead xml:id="fdl-1-section3" renderas="sect2">
162    3. COPYING IN QUANTITY
163  </bridgehead>
164  <simpara>
165    If you publish printed copies (or copies in media that commonly have
166    printed covers) of the Document, numbering more than 100, and the
167    Document���s license notice requires Cover Texts, you must enclose
168    the copies in covers that carry, clearly and legibly, all these Cover
169    Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on the
170    back cover. Both covers must also clearly and legibly identify you as the
171    publisher of these copies. The front cover must present the full title
172    with all words of the title equally prominent and visible. You may add
173    other material on the covers in addition. Copying with changes limited to
174    the covers, as long as they preserve the title of the Document and satisfy
175    these conditions, can be treated as verbatim copying in other respects.
176  </simpara>
177  <simpara>
178    If the required texts for either cover are too voluminous to fit legibly,
179    you should put the first ones listed (as many as fit reasonably) on the
180    actual cover, and continue the rest onto adjacent pages.
181  </simpara>
182  <simpara>
183    If you publish or distribute Opaque copies of the Document numbering more
184    than 100, you must either include a machine-readable Transparent copy
185    along with each Opaque copy, or state in or with each Opaque copy a
186    computer-network location from which the general network-using public has
187    access to download using public-standard network protocols a complete
188    Transparent copy of the Document, free of added material. If you use the
189    latter option, you must take reasonably prudent steps, when you begin
190    distribution of Opaque copies in quantity, to ensure that this Transparent
191    copy will remain thus accessible at the stated location until at least one
192    year after the last time you distribute an Opaque copy (directly or
193    through your agents or retailers) of that edition to the public.
194  </simpara>
195  <simpara>
196    It is requested, but not required, that you contact the authors of the
197    Document well before redistributing any large number of copies, to give
198    them a chance to provide you with an updated version of the Document.
199  </simpara>
200  <bridgehead xml:id="fdl-1-section4" renderas="sect2">
201    4. MODIFICATIONS
202  </bridgehead>
203  <simpara>
204    You may copy and distribute a Modified Version of the Document under the
205    conditions of sections 2 and 3 above, provided that you release the
206    Modified Version under precisely this License, with the Modified Version
207    filling the role of the Document, thus licensing distribution and
208    modification of the Modified Version to whoever possesses a copy of it. In
209    addition, you must do these things in the Modified Version:
210  </simpara>
211  <orderedlist numeration="upperalpha">
212    <listitem>
213      <simpara>
214        Use in the Title Page (and on the covers, if any) a title distinct
215        from that of the Document, and from those of previous versions (which
216        should, if there were any, be listed in the History section of the
217        Document). You may use the same title as a previous version if the
218        original publisher of that version gives permission.
219      </simpara>
220    </listitem>
221    <listitem>
222      <simpara>
223        List on the Title Page, as authors, one or more persons or entities
224        responsible for authorship of the modifications in the Modified
225        Version, together with at least five of the principal authors of the
226        Document (all of its principal authors, if it has fewer than five),
227        unless they release you from this requirement.
228      </simpara>
229    </listitem>
230    <listitem>
231      <simpara>
232        State on the Title page the name of the publisher of the Modified
233        Version, as the publisher.
234      </simpara>
235    </listitem>
236    <listitem>
237      <simpara>
238        Preserve all the copyright notices of the Document.
239      </simpara>
240    </listitem>
241    <listitem>
242      <simpara>
243        Add an appropriate copyright notice for your modifications adjacent to
244        the other copyright notices.
245      </simpara>
246    </listitem>
247    <listitem>
248      <simpara>
249        Include, immediately after the copyright notices, a license notice
250        giving the public permission to use the Modified Version under the
251        terms of this License, in the form shown in the Addendum below.
252      </simpara>
253    </listitem>
254    <listitem>
255      <simpara>
256        Preserve in that license notice the full lists of Invariant Sections
257        and required Cover Texts given in the Document���s license
258        notice.
259      </simpara>
260    </listitem>
261    <listitem>
262      <simpara>
263        Include an unaltered copy of this License.
264      </simpara>
265    </listitem>
266    <listitem>
267      <simpara>
268        Preserve the section Entitled ���History���, Preserve its
269        Title, and add to it an item stating at least the title, year, new
270        authors, and publisher of the Modified Version as given on the Title
271        Page. If there is no section Entitled ���History��� in the
272        Document, create one stating the title, year, authors, and publisher
273        of the Document as given on its Title Page, then add an item
274        describing the Modified Version as stated in the previous sentence.
275      </simpara>
276    </listitem>
277    <listitem>
278      <simpara>
279        Preserve the network location, if any, given in the Document for
280        public access to a Transparent copy of the Document, and likewise the
281        network locations given in the Document for previous versions it was
282        based on.  These may be placed in the ���History���
283        section. You may omit a network location for a work that was published
284        at least four years before the Document itself, or if the original
285        publisher of the version it refers to gives permission.
286      </simpara>
287    </listitem>
288    <listitem>
289      <simpara>
290        For any section Entitled ���Acknowledgements��� or
291        ���Dedications���, Preserve the Title of the section, and
292        preserve in the section all the substance and tone of each of the
293        contributor acknowledgements and/or dedications given therein.
294      </simpara>
295    </listitem>
296    <listitem>
297      <simpara>
298        Preserve all the Invariant Sections of the Document, unaltered in
299        their text and in their titles. Section numbers or the equivalent are
300        not considered part of the section titles.
301      </simpara>
302    </listitem>
303    <listitem>
304      <simpara>
305        Delete any section Entitled ���Endorsements���. Such a section
306        may not be included in the Modified Version.
307      </simpara>
308    </listitem>
309    <listitem>
310      <simpara>
311        Do not retitle any existing section to be Entitled
312        ���Endorsements��� or to conflict in title with any Invariant
313        Section.
314      </simpara>
315    </listitem>
316    <listitem>
317      <simpara>
318        Preserve any Warranty Disclaimers.
319      </simpara>
320    </listitem>
321  </orderedlist>
322  <simpara>
323    If the Modified Version includes new front-matter sections or appendices
324    that qualify as Secondary Sections and contain no material copied from the
325    Document, you may at your option designate some or all of these sections
326    as invariant. To do this, add their titles to the list of Invariant
327    Sections in the Modified Version���s license notice. These titles
328    must be distinct from any other section titles.
329  </simpara>
330  <simpara>
331    You may add a section Entitled ���Endorsements���, provided it
332    contains nothing but endorsements of your Modified Version by various
333    parties ��� for example, statements of peer review or that the text
334    has been approved by an organization as the authoritative definition of a
335    standard.
336  </simpara>
337  <simpara>
338    You may add a passage of up to five words as a Front-Cover Text, and a
339    passage of up to 25 words as a Back-Cover Text, to the end of the list of
340    Cover Texts in the Modified Version. Only one passage of Front-Cover Text
341    and one of Back-Cover Text may be added by (or through arrangements made
342    by) any one entity. If the Document already includes a cover text for the
343    same cover, previously added by you or by arrangement made by the same
344    entity you are acting on behalf of, you may not add another; but you may
345    replace the old one, on explicit permission from the previous publisher
346    that added the old one.
347  </simpara>
348  <simpara>
349    The author(s) and publisher(s) of the Document do not by this License give
350    permission to use their names for publicity for or to assert or imply
351    endorsement of any Modified Version.
352  </simpara>
353  <bridgehead xml:id="fdl-1-section5" renderas="sect2">
354    5. COMBINING DOCUMENTS
355  </bridgehead>
356  <simpara>
357    You may combine the Document with other documents released under this
358    License, under the terms defined in section 4 above for modified versions,
359    provided that you include in the combination all of the Invariant Sections
360    of all of the original documents, unmodified, and list them all as
361    Invariant Sections of your combined work in its license notice, and that
362    you preserve all their Warranty Disclaimers.
363  </simpara>
364  <simpara>
365    The combined work need only contain one copy of this License, and multiple
366    identical Invariant Sections may be replaced with a single copy. If there
367    are multiple Invariant Sections with the same name but different contents,
368    make the title of each such section unique by adding at the end of it, in
369    parentheses, the name of the original author or publisher of that section
370    if known, or else a unique number. Make the same adjustment to the section
371    titles in the list of Invariant Sections in the license notice of the
372    combined work.
373  </simpara>
374  <simpara>
375    In the combination, you must combine any sections Entitled
376    ���History��� in the various original documents, forming one
377    section Entitled ���History���; likewise combine any sections
378    Entitled ���Acknowledgements���, and any sections Entitled
379    ���Dedications���. You must delete all sections Entitled
380    ���Endorsements���.
381  </simpara>
382  <bridgehead xml:id="fdl-1-section6" renderas="sect2">
383    6. COLLECTIONS OF DOCUMENTS
384  </bridgehead>
385  <simpara>
386    You may make a collection consisting of the Document and other documents
387    released under this License, and replace the individual copies of this
388    License in the various documents with a single copy that is included in
389    the collection, provided that you follow the rules of this License for
390    verbatim copying of each of the documents in all other respects.
391  </simpara>
392  <simpara>
393    You may extract a single document from such a collection, and distribute
394    it individually under this License, provided you insert a copy of this
395    License into the extracted document, and follow this License in all other
396    respects regarding verbatim copying of that document.
397  </simpara>
398  <bridgehead xml:id="fdl-1-section7" renderas="sect2">
399    7. AGGREGATION WITH INDEPENDENT WORKS
400  </bridgehead>
401  <simpara>
402    A compilation of the Document or its derivatives with other separate and
403    independent documents or works, in or on a volume of a storage or
404    distribution medium, is called an ���aggregate��� if the copyright
405    resulting from the compilation is not used to limit the legal rights of
406    the compilation���s users beyond what the individual works
407    permit. When the Document is included in an aggregate, this License does
408    not apply to the other works in the aggregate which are not themselves
409    derivative works of the Document.
410  </simpara>
411  <simpara>
412    If the Cover Text requirement of section 3 is applicable to these copies
413    of the Document, then if the Document is less than one half of the entire
414    aggregate, the Document���s Cover Texts may be placed on covers that
415    bracket the Document within the aggregate, or the electronic equivalent of
416    covers if the Document is in electronic form. Otherwise they must appear
417    on printed covers that bracket the whole aggregate.
418  </simpara>
419  <bridgehead xml:id="fdl-1-section8" renderas="sect2">
420    8. TRANSLATION
421  </bridgehead>
422  <simpara>
423    Translation is considered a kind of modification, so you may distribute
424    translations of the Document under the terms of section 4. Replacing
425    Invariant Sections with translations requires special permission from
426    their copyright holders, but you may include translations of some or all
427    Invariant Sections in addition to the original versions of these Invariant
428    Sections. You may include a translation of this License, and all the
429    license notices in the Document, and any Warranty Disclaimers, provided
430    that you also include the original English version of this License and the
431    original versions of those notices and disclaimers. In case of a
432    disagreement between the translation and the original version of this
433    License or a notice or disclaimer, the original version will prevail.
434  </simpara>
435  <simpara>
436    If a section in the Document is Entitled ���Acknowledgements���,
437    ���Dedications���, or ���History���, the requirement
438    (section 4) to Preserve its Title (section 1) will typically require
439    changing the actual title.
440  </simpara>
441  <bridgehead xml:id="fdl-1-section9" renderas="sect2">
442    9. TERMINATION
443  </bridgehead>
444  <simpara>
445    You may not copy, modify, sublicense, or distribute the Document except as
446    expressly provided under this License. Any attempt otherwise to copy,
447    modify, sublicense, or distribute it is void, and will automatically
448    terminate your rights under this License.
449  </simpara>
450  <simpara>
451    However, if you cease all violation of this License, then your license
452    from a particular copyright holder is reinstated (a) provisionally, unless
453    and until the copyright holder explicitly and finally terminates your
454    license, and (b) permanently, if the copyright holder fails to notify you
455    of the violation by some reasonable means prior to 60 days after the
456    cessation.
457  </simpara>
458  <simpara>
459    Moreover, your license from a particular copyright holder is reinstated
460    permanently if the copyright holder notifies you of the violation by some
461    reasonable means, this is the first time you have received notice of
462    violation of this License (for any work) from that copyright holder, and
463    you cure the violation prior to 30 days after your receipt of the notice.
464  </simpara>
465  <simpara>
466    Termination of your rights under this section does not terminate the
467    licenses of parties who have received copies or rights from you under this
468    License. If your rights have been terminated and not permanently
469    reinstated, receipt of a copy of some or all of the same material does not
470    give you any rights to use it.
471  </simpara>
472  <bridgehead xml:id="fdl-1-section10" renderas="sect2">
473    10. FUTURE REVISIONS OF THIS LICENSE
474  </bridgehead>
475  <simpara>
476    The Free Software Foundation may publish new, revised versions of the GNU
477    Free Documentation License from time to time. Such new versions will be
478    similar in spirit to the present version, but may differ in detail to
479    address new problems or concerns. See
480    <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.gnu.org/copyleft/">Copyleft</link>.
481  </simpara>
482  <simpara>
483    Each version of the License is given a distinguishing version number. If
484    the Document specifies that a particular numbered version of this License
485    ���or any later version��� applies to it, you have the option of
486    following the terms and conditions either of that specified version or of
487    any later version that has been published (not as a draft) by the Free
488    Software Foundation. If the Document does not specify a version number of
489    this License, you may choose any version ever published (not as a draft)
490    by the Free Software Foundation. If the Document specifies that a proxy
491    can decide which future versions of this License can be used, that
492    proxy���s public statement of acceptance of a version permanently
493    authorizes you to choose that version for the Document.
494  </simpara>
495  <bridgehead xml:id="fdl-1-section11" renderas="sect2">
496    11. RELICENSING
497  </bridgehead>
498  <simpara>
499    ���Massive Multiauthor Collaboration Site��� (or ���MMC
500    Site���) means any World Wide Web server that publishes copyrightable
501    works and also provides prominent facilities for anybody to edit those
502    works. A public wiki that anybody can edit is an example of such a
503    server. A ���Massive Multiauthor Collaboration��� (or
504    ���MMC���) contained in the site means any set of copyrightable
505    works thus published on the MMC site.
506  </simpara>
507  <simpara>
508    ���CC-BY-SA��� means the Creative Commons Attribution-Share Alike
509    3.0 license published by Creative Commons Corporation, a not-for-profit
510    corporation with a principal place of business in San Francisco,
511    California, as well as future copyleft versions of that license published
512    by that same organization.
513  </simpara>
514  <simpara>
515    ���Incorporate��� means to publish or republish a Document, in
516    whole or in part, as part of another Document.
517  </simpara>
518  <simpara>
519    An MMC is ���eligible for relicensing��� if it is licensed under
520    this License, and if all works that were first published under this
521    License somewhere other than this MMC, and subsequently incorporated in
522    whole or in part into the MMC, (1) had no cover texts or invariant
523    sections, and (2) were thus incorporated prior to November 1, 2008.
524  </simpara>
525  <simpara>
526    The operator of an MMC Site may republish an MMC contained in the site
527    under CC-BY-SA on the same site at any time before August 1, 2009,
528    provided the MMC is eligible for relicensing.
529  </simpara>
530  <bridgehead xml:id="fdl-1-addendum" renderas="sect2">
531    ADDENDUM: How to use this License for your documents
532  </bridgehead>
533  <simpara>
534    To use this License in a document you have written, include a copy of the
535    License in the document and put the following copyright and license
536    notices just after the title page:
537  </simpara>
538  <screen>Copyright �� YEAR YOUR NAME
539
540Permission is granted to copy, distribute and/or modify this document under the
541terms of the GNU Free Documentation License, Version 1.3 or any later version
542published by the Free Software Foundation; with no Invariant Sections, no
543Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in
544the section entitled ���GNU Free Documentation License���.</screen>
545  <simpara>
546    If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
547    replace the ���with��� Texts.��� line with this:
548  </simpara>
549  <screen>with the Invariant Sections being LIST THEIR TITLES, with the Front-Cover Texts
550being LIST, and with the Back-Cover Texts being LIST.</screen>
551  <simpara>
552    If you have Invariant Sections without Cover Texts, or some other
553    combination of the three, merge those two alternatives to suit the
554    situation.
555  </simpara>
556  <simpara>
557    If your document contains nontrivial examples of program code, we
558    recommend releasing these examples in parallel under your choice of free
559    software license, such as the GNU General Public License, to permit their
560    use in free software.
561  </simpara>
562</appendix>
563