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1 <!--
2 The GNU Free Documentation License 1.1 in DocBook
3 Markup by Eric Baudais <baudais@okstate.edu>
4 Maintained by the GNOME Documentation Project
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6 Version: 1.0.1
7 Last Modified: Nov 16, 2000
8 -->
10 <appendix id="fdl">
11 <appendixinfo>
12 <releaseinfo>
13 Version 1.1, March 2000
14 </releaseinfo>
15 <copyright>
16 <year>2000</year><holder>Free Software Foundation, Inc.</holder>
17 </copyright>
18 <legalnotice id="fdl-legalnotice">
19 <para>
20 <address>Free Software Foundation, Inc. <street>59 Temple Place,
21 Suite 330</street>, <city>Boston</city>, <state>MA</state>
22 <postcode>02111-1307</postcode> <country>USA</country></address>
23 Everyone is permitted to copy and distribute verbatim copies of this
24 license document, but changing it is not allowed.
25 </para>
26 </legalnotice>
27 </appendixinfo>
28 <title>GNU Free Documentation License</title>
30 <sect1 id="fdl-preamble">
31 <title>0. PREAMBLE</title>
32 <para>
33 The purpose of this License is to make a manual, textbook, or
34 other written document <quote>free</quote> in the sense of
35 freedom: to assure everyone the effective freedom to copy and
36 redistribute it, with or without modifying it, either
37 commercially or noncommercially. Secondarily, this License
38 preserves for the author and publisher a way to get credit for
39 their work, while not being considered responsible for
40 modifications made by others.
41 </para>
43 <para>
44 This License is a kind of <quote>copyleft</quote>, which means
45 that derivative works of the document must themselves be free in
46 the same sense. It complements the GNU General Public License,
47 which is a copyleft license designed for free software.
48 </para>
50 <para>
51 We have designed this License in order to use it for manuals for
52 free software, because free software needs free documentation: a
53 free program should come with manuals providing the same
54 freedoms that the software does. But this License is not limited
55 to software manuals; it can be used for any textual work,
56 regardless of subject matter or whether it is published as a
57 printed book. We recommend this License principally for works
58 whose purpose is instruction or reference.
59 </para>
60 </sect1>
61 <sect1 id="fdl-section1">
62 <title>1. APPLICABILITY AND DEFINITIONS</title>
63 <para id="fdl-document">
64 This License applies to any manual or other work that contains a
65 notice placed by the copyright holder saying it can be
66 distributed under the terms of this License. The
67 <quote>Document</quote>, below, refers to any such manual or
68 work. Any member of the public is a licensee, and is addressed
69 as <quote>you</quote>.
70 </para>
72 <para id="fdl-modified">
73 A <quote>Modified Version</quote> of the Document means any work
74 containing the Document or a portion of it, either copied
75 verbatim, or with modifications and/or translated into another
76 language.
77 </para>
79 <para id="fdl-secondary">
80 A <quote>Secondary Section</quote> is a named appendix or a
81 front-matter section of the <link
82 linkend="fdl-document">Document</link> that deals exclusively
83 with the relationship of the publishers or authors of the
84 Document to the Document's overall subject (or to related
85 matters) and contains nothing that could fall directly within
86 that overall subject. (For example, if the Document is in part a
87 textbook of mathematics, a Secondary Section may not explain any
88 mathematics.) The relationship could be a matter of historical
89 connection with the subject or with related matters, or of
90 legal, commercial, philosophical, ethical or political position
91 regarding them.
92 </para>
94 <para id="fdl-invariant">
95 The <quote>Invariant Sections</quote> are certain <link
96 linkend="fdl-secondary"> Secondary Sections</link> whose titles
97 are designated, as being those of Invariant Sections, in the
98 notice that says that the <link
99 linkend="fdl-document">Document</link> is released under this
100 License.
101 </para>
103 <para id="fdl-cover-texts">
104 The <quote>Cover Texts</quote> are certain short passages of
105 text that are listed, as Front-Cover Texts or Back-Cover Texts,
106 in the notice that says that the <link
107 linkend="fdl-document">Document</link> is released under this
108 License.
109 </para>
111 <para id="fdl-transparent">
112 A <quote>Transparent</quote> copy of the <link
113 linkend="fdl-document"> Document</link> means a machine-readable
114 copy, represented in a format whose specification is available
115 to the general public, whose contents can be viewed and edited
116 directly and straightforwardly with generic text editors or (for
117 images composed of pixels) generic paint programs or (for
118 drawings) some widely available drawing editor, and that is
119 suitable for input to text formatters or for automatic
120 translation to a variety of formats suitable for input to text
121 formatters. A copy made in an otherwise Transparent file format
122 whose markup has been designed to thwart or discourage
123 subsequent modification by readers is not Transparent. A copy
124 that is not <quote>Transparent</quote> is called
125 <quote>Opaque</quote>.
126 </para>
128 <para>
129 Examples of suitable formats for Transparent copies include
130 plain ASCII without markup, Texinfo input format, LaTeX input
131 format, SGML or XML using a publicly available DTD, and
132 standard-conforming simple HTML designed for human
133 modification. Opaque formats include PostScript, PDF,
134 proprietary formats that can be read and edited only by
135 proprietary word processors, SGML or XML for which the DTD
136 and/or processing tools are not generally available, and the
137 machine-generated HTML produced by some word processors for
138 output purposes only.
139 </para>
141 <para id="fdl-title-page">
142 The <quote>Title Page</quote> means, for a printed book, the
143 title page itself, plus such following pages as are needed to
144 hold, legibly, the material this License requires to appear in
145 the title page. For works in formats which do not have any title
146 page as such, <quote>Title Page</quote> means the text near the
147 most prominent appearance of the work's title, preceding the
148 beginning of the body of the text.
149 </para>
150 </sect1>
152 <sect1 id="fdl-section2">
153 <title>2. VERBATIM COPYING</title>
154 <para>
155 You may copy and distribute the <link
156 linkend="fdl-document">Document</link> in any medium, either
157 commercially or noncommercially, provided that this License, the
158 copyright notices, and the license notice saying this License
159 applies to the Document are reproduced in all copies, and that
160 you add no other conditions whatsoever to those of this
161 License. You may not use technical measures to obstruct or
162 control the reading or further copying of the copies you make or
163 distribute. However, you may accept compensation in exchange for
164 copies. If you distribute a large enough number of copies you
165 must also follow the conditions in <link
166 linkend="fdl-section3">section 3</link>.
167 </para>
169 <para>
170 You may also lend copies, under the same conditions stated
171 above, and you may publicly display copies.
172 </para>
173 </sect1>
175 <sect1 id="fdl-section3">
176 <title>3. COPYING IN QUANTITY</title>
177 <para>
178 If you publish printed copies of the <link
179 linkend="fdl-document">Document</link> numbering more than 100,
180 and the Document's license notice requires <link
181 linkend="fdl-cover-texts">Cover Texts</link>, you must enclose
182 the copies in covers that carry, clearly and legibly, all these
183 Cover Texts: Front-Cover Texts on the front cover, and
184 Back-Cover Texts on the back cover. Both covers must also
185 clearly and legibly identify you as the publisher of these
186 copies. The front cover must present the full title with all
187 words of the title equally prominent and visible. You may add
188 other material on the covers in addition. Copying with changes
189 limited to the covers, as long as they preserve the title of the
190 <link linkend="fdl-document">Document</link> and satisfy these
191 conditions, can be treated as verbatim copying in other
192 respects.
193 </para>
195 <para>
196 If the required texts for either cover are too voluminous to fit
197 legibly, you should put the first ones listed (as many as fit
198 reasonably) on the actual cover, and continue the rest onto
199 adjacent pages.
200 </para>
202 <para>
203 If you publish or distribute <link
204 linkend="fdl-transparent">Opaque</link> copies of the <link
205 linkend="fdl-document">Document</link> numbering more than 100,
206 you must either include a machine-readable <link
207 linkend="fdl-transparent">Transparent</link> copy along with
208 each Opaque copy, or state in or with each Opaque copy a
209 publicly-accessible computer-network location containing a
210 complete Transparent copy of the Document, free of added
211 material, which the general network-using public has access to
212 download anonymously at no charge using public-standard network
213 protocols. If you use the latter option, you must take
214 reasonably prudent steps, when you begin distribution of Opaque
215 copies in quantity, to ensure that this Transparent copy will
216 remain thus accessible at the stated location until at least one
217 year after the last time you distribute an Opaque copy (directly
218 or through your agents or retailers) of that edition to the
219 public.
220 </para>
222 <para>
223 It is requested, but not required, that you contact the authors
224 of the <link linkend="fdl-document">Document</link> well before
225 redistributing any large number of copies, to give them a chance
226 to provide you with an updated version of the Document.
227 </para>
228 </sect1>
230 <sect1 id="fdl-section4">
231 <title>4. MODIFICATIONS</title>
232 <para>
233 You may copy and distribute a <link
234 linkend="fdl-modified">Modified Version</link> of the <link
235 linkend="fdl-document">Document</link> under the conditions of
236 sections <link linkend="fdl-section2">2</link> and <link
237 linkend="fdl-section3">3</link> above, provided that you release
238 the Modified Version under precisely this License, with the
239 Modified Version filling the role of the Document, thus
240 licensing distribution and modification of the Modified Version
241 to whoever possesses a copy of it. In addition, you must do
242 these things in the Modified Version:
243 </para>
245 <itemizedlist mark="opencircle">
246 <listitem>
247 <formalpara>
248 <title>A</title>
249 <para>
250 Use in the <link linkend="fdl-title-page">Title
251 Page</link> (and on the covers, if any) a title distinct
252 from that of the <link
253 linkend="fdl-document">Document</link>, and from those of
254 previous versions (which should, if there were any, be
255 listed in the History section of the Document). You may
256 use the same title as a previous version if the original
257 publisher of that version gives permission.
258 </para>
259 </formalpara>
260 </listitem>
262 <listitem>
263 <formalpara>
264 <title>B</title>
265 <para>
266 List on the <link linkend="fdl-title-page">Title
267 Page</link>, as authors, one or more persons or entities
268 responsible for authorship of the modifications in the
269 <link linkend="fdl-modified">Modified Version</link>,
270 together with at least five of the principal authors of
271 the <link linkend="fdl-document">Document</link> (all of
272 its principal authors, if it has less than five).
273 </para>
274 </formalpara>
275 </listitem>
277 <listitem>
278 <formalpara>
279 <title>C</title>
280 <para>
281 State on the <link linkend="fdl-title-page">Title
282 Page</link> the name of the publisher of the <link
283 linkend="fdl-modified">Modified Version</link>, as the
284 publisher.
285 </para>
286 </formalpara>
287 </listitem>
289 <listitem>
290 <formalpara>
291 <title>D</title>
292 <para>
293 Preserve all the copyright notices of the <link
294 linkend="fdl-document">Document</link>.
295 </para>
296 </formalpara>
297 </listitem>
299 <listitem>
300 <formalpara>
301 <title>E</title>
302 <para>
303 Add an appropriate copyright notice for your modifications
304 adjacent to the other copyright notices.
305 </para>
306 </formalpara>
307 </listitem>
309 <listitem>
310 <formalpara>
311 <title>F</title>
312 <para>
313 Include, immediately after the copyright notices, a
314 license notice giving the public permission to use the
315 <link linkend="fdl-modified">Modified Version</link> under
316 the terms of this License, in the form shown in the
317 Addendum below.
318 </para>
319 </formalpara>
320 </listitem>
322 <listitem>
323 <formalpara>
324 <title>G</title>
325 <para>
326 Preserve in that license notice the full lists of <link
327 linkend="fdl-invariant"> Invariant Sections</link> and
328 required <link linkend="fdl-cover-texts">Cover
329 Texts</link> given in the <link
330 linkend="fdl-document">Document's</link> license notice.
331 </para>
332 </formalpara>
333 </listitem>
335 <listitem>
336 <formalpara>
337 <title>H</title>
338 <para>
339 Include an unaltered copy of this License.
340 </para>
341 </formalpara>
342 </listitem>
344 <listitem>
345 <formalpara>
346 <title>I</title>
347 <para>
348 Preserve the section entitled <quote>History</quote>, and
349 its title, and add to it an item stating at least the
350 title, year, new authors, and publisher of the <link
351 linkend="fdl-modified">Modified Version </link>as given on
352 the <link linkend="fdl-title-page">Title Page</link>. If
353 there is no section entitled <quote>History</quote> in the
354 <link linkend="fdl-document">Document</link>, create one
355 stating the title, year, authors, and publisher of the
356 Document as given on its Title Page, then add an item
357 describing the Modified Version as stated in the previous
358 sentence.
359 </para>
360 </formalpara>
361 </listitem>
363 <listitem>
364 <formalpara>
365 <title>J</title>
366 <para>
367 Preserve the network location, if any, given in the <link
368 linkend="fdl-document">Document</link> for public access
369 to a <link linkend="fdl-transparent">Transparent</link>
370 copy of the Document, and likewise the network locations
371 given in the Document for previous versions it was based
372 on. These may be placed in the <quote>History</quote>
373 section. You may omit a network location for a work that
374 was published at least four years before the Document
375 itself, or if the original publisher of the version it
376 refers to gives permission.
377 </para>
378 </formalpara>
379 </listitem>
381 <listitem>
382 <formalpara>
383 <title>K</title>
384 <para>
385 In any section entitled <quote>Acknowledgements</quote> or
386 <quote>Dedications</quote>, preserve the section's title,
387 and preserve in the section all the substance and tone of
388 each of the contributor acknowledgements and/or
389 dedications given therein.
390 </para>
391 </formalpara>
392 </listitem>
394 <listitem>
395 <formalpara>
396 <title>L</title>
397 <para>
398 Preserve all the <link linkend="fdl-invariant">Invariant
399 Sections</link> of the <link
400 linkend="fdl-document">Document</link>, unaltered in their
401 text and in their titles. Section numbers or the
402 equivalent are not considered part of the section titles.
403 </para>
404 </formalpara>
405 </listitem>
407 <listitem>
408 <formalpara>
409 <title>M</title>
410 <para>
411 Delete any section entitled
412 <quote>Endorsements</quote>. Such a section may not be
413 included in the <link linkend="fdl-modified">Modified
414 Version</link>.
415 </para>
416 </formalpara>
417 </listitem>
419 <listitem>
420 <formalpara>
421 <title>N</title>
422 <para>
423 Do not retitle any existing section as
424 <quote>Endorsements</quote> or to conflict in title with
425 any <link linkend="fdl-invariant">Invariant
426 Section</link>.
427 </para>
428 </formalpara>
429 </listitem>
430 </itemizedlist>
432 <para>
433 If the <link linkend="fdl-modified">Modified Version</link>
434 includes new front-matter sections or appendices that qualify as
435 <link linkend="fdl-secondary">Secondary Sections</link> and
436 contain no material copied from the Document, you may at your
437 option designate some or all of these sections as invariant. To
438 do this, add their titles to the list of <link
439 linkend="fdl-invariant">Invariant Sections</link> in the
440 Modified Version's license notice. These titles must be
441 distinct from any other section titles.
442 </para>
444 <para>
445 You may add a section entitled <quote>Endorsements</quote>,
446 provided it contains nothing but endorsements of your <link
447 linkend="fdl-modified">Modified Version</link> by various
448 parties--for example, statements of peer review or that the text
449 has been approved by an organization as the authoritative
450 definition of a standard.
451 </para>
453 <para>
454 You may add a passage of up to five words as a <link
455 linkend="fdl-cover-texts">Front-Cover Text</link>, and a passage
456 of up to 25 words as a <link
457 linkend="fdl-cover-texts">Back-Cover Text</link>, to the end of
458 the list of <link linkend="fdl-cover-texts">Cover Texts</link>
459 in the <link linkend="fdl-modified">Modified Version</link>.
460 Only one passage of Front-Cover Text and one of Back-Cover Text
461 may be added by (or through arrangements made by) any one
462 entity. If the <link linkend="fdl-document">Document</link>
463 already includes a cover text for the same cover, previously
464 added by you or by arrangement made by the same entity you are
465 acting on behalf of, you may not add another; but you may
466 replace the old one, on explicit permission from the previous
467 publisher that added the old one.
468 </para>
470 <para>
471 The author(s) and publisher(s) of the <link
472 linkend="fdl-document">Document</link> do not by this License
473 give permission to use their names for publicity for or to
474 assert or imply endorsement of any <link
475 linkend="fdl-modified">Modified Version </link>.
476 </para>
477 </sect1>
479 <sect1 id="fdl-section5">
480 <title>5. COMBINING DOCUMENTS</title>
481 <para>
482 You may combine the <link linkend="fdl-document">Document</link>
483 with other documents released under this License, under the
484 terms defined in <link linkend="fdl-section4">section 4</link>
485 above for modified versions, provided that you include in the
486 combination all of the <link linkend="fdl-invariant">Invariant
487 Sections</link> of all of the original documents, unmodified,
488 and list them all as Invariant Sections of your combined work in
489 its license notice.
490 </para>
492 <para>
493 The combined work need only contain one copy of this License,
494 and multiple identical <link linkend="fdl-invariant">Invariant
495 Sections</link> may be replaced with a single copy. If there are
496 multiple Invariant Sections with the same name but different
497 contents, make the title of each such section unique by adding
498 at the end of it, in parentheses, the name of the original
499 author or publisher of that section if known, or else a unique
500 number. Make the same adjustment to the section titles in the
501 list of Invariant Sections in the license notice of the combined
502 work.
503 </para>
505 <para>
506 In the combination, you must combine any sections entitled
507 <quote>History</quote> in the various original documents,
508 forming one section entitled <quote>History</quote>; likewise
509 combine any sections entitled <quote>Acknowledgements</quote>,
510 and any sections entitled <quote>Dedications</quote>. You must
511 delete all sections entitled <quote>Endorsements.</quote>
512 </para>
513 </sect1>
515 <sect1 id="fdl-section6">
516 <title>6. COLLECTIONS OF DOCUMENTS</title>
517 <para>
518 You may make a collection consisting of the <link
519 linkend="fdl-document">Document</link> and other documents
520 released under this License, and replace the individual copies
521 of this License in the various documents with a single copy that
522 is included in the collection, provided that you follow the
523 rules of this License for verbatim copying of each of the
524 documents in all other respects.
525 </para>
527 <para>
528 You may extract a single document from such a collection, and
529 dispbibute it individually under this License, provided you
530 insert a copy of this License into the extracted document, and
531 follow this License in all other respects regarding verbatim
532 copying of that document.
533 </para>
534 </sect1>
536 <sect1 id="fdl-section7">
537 <title>7. AGGREGATION WITH INDEPENDENT WORKS</title>
538 <para>
539 A compilation of the <link
540 linkend="fdl-document">Document</link> or its derivatives with
541 other separate and independent documents or works, in or on a
542 volume of a storage or distribution medium, does not as a whole
543 count as a <link linkend="fdl-modified">Modified Version</link>
544 of the Document, provided no compilation copyright is claimed
545 for the compilation. Such a compilation is called an
546 <quote>aggregate</quote>, and this License does not apply to the
547 other self-contained works thus compiled with the Document , on
548 account of their being thus compiled, if they are not themselves
549 derivative works of the Document. If the <link
550 linkend="fdl-cover-texts">Cover Text</link> requirement of <link
551 linkend="fdl-section3">section 3</link> is applicable to these
552 copies of the Document, then if the Document is less than one
553 quarter of the entire aggregate, the Document's Cover Texts may
554 be placed on covers that surround only the Document within the
555 aggregate. Otherwise they must appear on covers around the whole
556 aggregate.
557 </para>
558 </sect1>
560 <sect1 id="fdl-section8">
561 <title>8. TRANSLATION</title>
562 <para>
563 Translation is considered a kind of modification, so you may
564 distribute translations of the <link
565 linkend="fdl-document">Document</link> under the terms of <link
566 linkend="fdl-section4">section 4</link>. Replacing <link
567 linkend="fdl-invariant"> Invariant Sections</link> with
568 translations requires special permission from their copyright
569 holders, but you may include translations of some or all
570 Invariant Sections in addition to the original versions of these
571 Invariant Sections. You may include a translation of this
572 License provided that you also include the original English
573 version of this License. In case of a disagreement between the
574 translation and the original English version of this License,
575 the original English version will prevail.
576 </para>
577 </sect1>
579 <sect1 id="fdl-section9">
580 <title>9. TERMINATION</title>
581 <para>
582 You may not copy, modify, sublicense, or distribute the <link
583 linkend="fdl-document">Document</link> except as expressly
584 provided for under this License. Any other attempt to copy,
585 modify, sublicense or distribute the Document is void, and will
586 automatically terminate your rights under this License. However,
587 parties who have received copies, or rights, from you under this
588 License will not have their licenses terminated so long as such
589 parties remain in full compliance.
590 </para>
591 </sect1>
593 <sect1 id="fdl-section10">
594 <title>10. FUTURE REVISIONS OF THIS LICENSE</title>
595 <para>
596 The <ulink type="http"
597 url="http://www.gnu.org/fsf/fsf.html">Free Software
598 Foundation</ulink> may publish new, revised versions of the GNU
599 Free Documentation License from time to time. Such new versions
600 will be similar in spirit to the present version, but may differ
601 in detail to address new problems or concerns. See <ulink
602 type="http"
603 url="http://www.gnu.org/copyleft">http://www.gnu.org/copyleft/</ulink>.
604 </para>
606 <para>
607 Each version of the License is given a distinguishing version
608 number. If the <link linkend="fdl-document">Document</link>
609 specifies that a particular numbered version of this License
610 <quote>or any later version</quote> applies to it, you have the
611 option of following the terms and conditions either of that
612 specified version or of any later version that has been
613 published (not as a draft) by the Free Software Foundation. If
614 the Document does not specify a version number of this License,
615 you may choose any version ever published (not as a draft) by
616 the Free Software Foundation.
617 </para>
618 </sect1>
620 <sect1 id="fdl-using">
621 <title>Addendum</title>
622 <para>
623 To use this License in a document you have written, include a copy of
624 the License in the document and put the following copyright and
625 license notices just after the title page:
626 </para>
628 <blockquote>
629 <para>
630 Copyright © YEAR YOUR NAME.
631 </para>
632 <para>
633 Permission is granted to copy, distribute and/or modify this
634 document under the terms of the GNU Free Documentation
635 License, Version 1.1 or any later version published by the
636 Free Software Foundation; with the <link
637 linkend="fdl-invariant">Invariant Sections</link> being LIST
638 THEIR TITLES, with the <link
639 linkend="fdl-cover-texts">Front-Cover Texts</link> being LIST,
640 and with the <link linkend="fdl-cover-texts">Back-Cover
641 Texts</link> being LIST. A copy of the license is included in
642 the section entitled <quote>GNU Free Documentation
643 License</quote>.
644 </para>
645 </blockquote>
647 <para>
648 If you have no <link linkend="fdl-invariant">Invariant
649 Sections</link>, write <quote>with no Invariant Sections</quote>
650 instead of saying which ones are invariant. If you have no
651 <link linkend="fdl-cover-texts">Front-Cover Texts</link>, write
652 <quote>no Front-Cover Texts</quote> instead of
653 <quote>Front-Cover Texts being LIST</quote>; likewise for <link
654 linkend="fdl-cover-texts">Back-Cover Texts</link>.
655 </para>
657 <para>
658 If your document contains nontrivial examples of program code,
659 we recommend releasing these examples in parallel under your
660 choice of free software license, such as the <ulink type="http"
661 url="http://www.gnu.org/copyleft/gpl.html"> GNU General Public
662 License</ulink>, to permit their use in free software.
663 </para>
664 </sect1>
665 </appendix>