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1@c The GNU Free Documentation License.
2@center Version 1.3, 3 November 2008
3
4@c This file is intended to be included within another document,
5@c hence no sectioning command or @node.
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7@display
8Copyright @copyright{} 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
9@uref{http://fsf.org/}
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11Everyone is permitted to copy and distribute verbatim copies
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14
15@enumerate 0
16@item
17PREAMBLE
18
19The purpose of this License is to make a manual, textbook, or other
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25for modifications made by others.
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27This License is a kind of ``copyleft'', which means that derivative
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32We have designed this License in order to use it for manuals for free
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40@item
41APPLICABILITY AND DEFINITIONS
42
43This License applies to any manual or other work, in any medium, that
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131
132@item
133VERBATIM COPYING
134
135You may copy and distribute the Document in any medium, either
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147
148@item
149COPYING IN QUANTITY
150
151If you publish printed copies (or copies in media that commonly have
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185
186@item
187MODIFICATIONS
188
189You may copy and distribute a Modified Version of the Document under
190the conditions of sections 2 and 3 above, provided that you release
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193and modification of the Modified Version to whoever possesses a copy
194of it. In addition, you must do these things in the Modified Version:
195
196@enumerate A
197@item
198Use in the Title Page (and on the covers, if any) a title distinct
199from that of the Document, and from those of previous versions
200(which should, if there were any, be listed in the History section
201of the Document). You may use the same title as a previous version
202if the original publisher of that version gives permission.
203
204@item
205List on the Title Page, as authors, one or more persons or entities
206responsible for authorship of the modifications in the Modified
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209unless they release you from this requirement.
210
211@item
212State on the Title page the name of the publisher of the
213Modified Version, as the publisher.
214
215@item
216Preserve all the copyright notices of the Document.
217
218@item
219Add an appropriate copyright notice for your modifications
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221
222@item
223Include, immediately after the copyright notices, a license notice
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225terms of this License, in the form shown in the Addendum below.
226
227@item
228Preserve in that license notice the full lists of Invariant Sections
229and required Cover Texts given in the Document's license notice.
230
231@item
232Include an unaltered copy of this License.
233
234@item
235Preserve the section Entitled ``History'', Preserve its Title, and add
236to it an item stating at least the title, year, new authors, and
237publisher of the Modified Version as given on the Title Page. If
238there is no section Entitled ``History'' in the Document, create one
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241Version as stated in the previous sentence.
242
243@item
244Preserve the network location, if any, given in the Document for
245public access to a Transparent copy of the Document, and likewise
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249least four years before the Document itself, or if the original
250publisher of the version it refers to gives permission.
251
252@item
253For any section Entitled ``Acknowledgements'' or ``Dedications'', Preserve
254the Title of the section, and preserve in the section all the
255substance and tone of each of the contributor acknowledgements and/or
256dedications given therein.
257
258@item
259Preserve all the Invariant Sections of the Document,
260unaltered in their text and in their titles. Section numbers
261or the equivalent are not considered part of the section titles.
262
263@item
264Delete any section Entitled ``Endorsements''. Such a section
265may not be included in the Modified Version.
266
267@item
268Do not retitle any existing section to be Entitled ``Endorsements'' or
269to conflict in title with any Invariant Section.
270
271@item
272Preserve any Warranty Disclaimers.
273@end enumerate
274
275If the Modified Version includes new front-matter sections or
276appendices that qualify as Secondary Sections and contain no material
277copied from the Document, you may at your option designate some or all
278of these sections as invariant. To do this, add their titles to the
279list of Invariant Sections in the Modified Version's license notice.
280These titles must be distinct from any other section titles.
281
282You may add a section Entitled ``Endorsements'', provided it contains
283nothing but endorsements of your Modified Version by various
284parties---for example, statements of peer review or that the text has
285been approved by an organization as the authoritative definition of a
286standard.
287
288You may add a passage of up to five words as a Front-Cover Text, and a
289passage of up to 25 words as a Back-Cover Text, to the end of the list
290of Cover Texts in the Modified Version. Only one passage of
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295you may not add another; but you may replace the old one, on explicit
296permission from the previous publisher that added the old one.
297
298The author(s) and publisher(s) of the Document do not by this License
299give permission to use their names for publicity for or to assert or
300imply endorsement of any Modified Version.
301
302@item
303COMBINING DOCUMENTS
304
305You may combine the Document with other documents released under this
306License, under the terms defined in section 4 above for modified
307versions, provided that you include in the combination all of the
308Invariant Sections of all of the original documents, unmodified, and
309list them all as Invariant Sections of your combined work in its
310license notice, and that you preserve all their Warranty Disclaimers.
311
312The combined work need only contain one copy of this License, and
313multiple identical Invariant Sections may be replaced with a single
314copy. If there are multiple Invariant Sections with the same name but
315different contents, make the title of each such section unique by
316adding at the end of it, in parentheses, the name of the original
317author or publisher of that section if known, or else a unique number.
318Make the same adjustment to the section titles in the list of
319Invariant Sections in the license notice of the combined work.
320
321In the combination, you must combine any sections Entitled ``History''
322in the various original documents, forming one section Entitled
323``History''; likewise combine any sections Entitled ``Acknowledgements'',
324and any sections Entitled ``Dedications''. You must delete all
325sections Entitled ``Endorsements.''
326
327@item
328COLLECTIONS OF DOCUMENTS
329
330You may make a collection consisting of the Document and other documents
331released under this License, and replace the individual copies of this
332License in the various documents with a single copy that is included in
333the collection, provided that you follow the rules of this License for
334verbatim copying of each of the documents in all other respects.
335
336You may extract a single document from such a collection, and distribute
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338License into the extracted document, and follow this License in all
339other respects regarding verbatim copying of that document.
340
341@item
342AGGREGATION WITH INDEPENDENT WORKS
343
344A compilation of the Document or its derivatives with other separate
345and independent documents or works, in or on a volume of a storage or
346distribution medium, is called an ``aggregate'' if the copyright
347resulting from the compilation is not used to limit the legal rights
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349When the Document is included in an aggregate, this License does not
350apply to the other works in the aggregate which are not themselves
351derivative works of the Document.
352
353If the Cover Text requirement of section 3 is applicable to these
354copies of the Document, then if the Document is less than one half of
355the entire aggregate, the Document's Cover Texts may be placed on
356covers that bracket the Document within the aggregate, or the
357electronic equivalent of covers if the Document is in electronic form.
358Otherwise they must appear on printed covers that bracket the whole
359aggregate.
360
361@item
362TRANSLATION
363
364Translation is considered a kind of modification, so you may
365distribute translations of the Document under the terms of section 4.
366Replacing Invariant Sections with translations requires special
367permission from their copyright holders, but you may include
368translations of some or all Invariant Sections in addition to the
369original versions of these Invariant Sections. You may include a
370translation of this License, and all the license notices in the
371Document, and any Warranty Disclaimers, provided that you also include
372the original English version of this License and the original versions
373of those notices and disclaimers. In case of a disagreement between
374the translation and the original version of this License or a notice
375or disclaimer, the original version will prevail.
376
377If a section in the Document is Entitled ``Acknowledgements'',
378``Dedications'', or ``History'', the requirement (section 4) to Preserve
379its Title (section 1) will typically require changing the actual
380title.
381
382@item
383TERMINATION
384
385You may not copy, modify, sublicense, or distribute the Document
386except as expressly provided under this License. Any attempt
387otherwise to copy, modify, sublicense, or distribute it is void, and
388will automatically terminate your rights under this License.
389
390However, if you cease all violation of this License, then your license
391from a particular copyright holder is reinstated (a) provisionally,
392unless and until the copyright holder explicitly and finally
393terminates your license, and (b) permanently, if the copyright holder
394fails to notify you of the violation by some reasonable means prior to
39560 days after the cessation.
396
397Moreover, your license from a particular copyright holder is
398reinstated permanently if the copyright holder notifies you of the
399violation by some reasonable means, this is the first time you have
400received notice of violation of this License (for any work) from that
401copyright holder, and you cure the violation prior to 30 days after
402your receipt of the notice.
403
404Termination of your rights under this section does not terminate the
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406this License. If your rights have been terminated and not permanently
407reinstated, receipt of a copy of some or all of the same material does
408not give you any rights to use it.
409
410@item
411FUTURE REVISIONS OF THIS LICENSE
412
413The Free Software Foundation may publish new, revised versions
414of the GNU Free Documentation License from time to time. Such new
415versions will be similar in spirit to the present version, but may
416differ in detail to address new problems or concerns. See
417@uref{http://www.gnu.org/copyleft/}.
418
419Each version of the License is given a distinguishing version number.
420If the Document specifies that a particular numbered version of this
421License ``or any later version'' applies to it, you have the option of
422following the terms and conditions either of that specified version or
423of any later version that has been published (not as a draft) by the
424Free Software Foundation. If the Document does not specify a version
425number of this License, you may choose any version ever published (not
426as a draft) by the Free Software Foundation. If the Document
427specifies that a proxy can decide which future versions of this
428License can be used, that proxy's public statement of acceptance of a
429version permanently authorizes you to choose that version for the
430Document.
431
432@item
433RELICENSING
434
435``Massive Multiauthor Collaboration Site'' (or ``MMC Site'') means any
436World Wide Web server that publishes copyrightable works and also
437provides prominent facilities for anybody to edit those works. A
438public wiki that anybody can edit is an example of such a server. A
439``Massive Multiauthor Collaboration'' (or ``MMC'') contained in the
440site means any set of copyrightable works thus published on the MMC
441site.
442
443``CC-BY-SA'' means the Creative Commons Attribution-Share Alike 3.0
444license published by Creative Commons Corporation, a not-for-profit
445corporation with a principal place of business in San Francisco,
446California, as well as future copyleft versions of that license
447published by that same organization.
448
449``Incorporate'' means to publish or republish a Document, in whole or
450in part, as part of another Document.
451
452An MMC is ``eligible for relicensing'' if it is licensed under this
453License, and if all works that were first published under this License
454somewhere other than this MMC, and subsequently incorporated in whole
455or in part into the MMC, (1) had no cover texts or invariant sections,
456and (2) were thus incorporated prior to November 1, 2008.
457
458The operator of an MMC Site may republish an MMC contained in the site
459under CC-BY-SA on the same site at any time before August 1, 2009,
460provided the MMC is eligible for relicensing.
461
462@end enumerate
463
464@page
465@heading ADDENDUM: How to use this License for your documents
466
467To use this License in a document you have written, include a copy of
468the License in the document and put the following copyright and
469license notices just after the title page:
470
471@smallexample
472@group
473 Copyright (C) @var{year} @var{your name}.
474 Permission is granted to copy, distribute and/or modify this document
475 under the terms of the GNU Free Documentation License, Version 1.3
476 or any later version published by the Free Software Foundation;
477 with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
478 Texts. A copy of the license is included in the section entitled ``GNU
479 Free Documentation License''.
480@end group
481@end smallexample
482
483If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
484replace the ``with@dots{}Texts.'' line with this:
485
486@smallexample
487@group
488 with the Invariant Sections being @var{list their titles}, with
489 the Front-Cover Texts being @var{list}, and with the Back-Cover Texts
490 being @var{list}.
491@end group
492@end smallexample
493
494If you have Invariant Sections without Cover Texts, or some other
495combination of the three, merge those two alternatives to suit the
496situation.
497
498If your document contains nontrivial examples of program code, we
499recommend releasing these examples in parallel under your choice of
500free software license, such as the GNU General Public License,
501to permit their use in free software.
502
503@c Local Variables:
504@c ispell-local-pdict: "ispell-dict"
505@c End:
506
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