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1 <appendix id="appendix.gfdl-1.2"> | |
2 <?dbhtml filename="appendix_gfdl.html"?> | |
3 <title>GNU Free Documentation License</title> | |
4 <para> | |
5 Copyright (C) 2000, 2001, 2002 Free Software Foundation, | |
6 <abbrev>Inc.</abbrev> 51 Franklin <abbrev>St</abbrev>, Fifth Floor, | |
7 Boston, <abbrev>MA</abbrev> 02110-1301 <abbrev | |
8 role="initialism">USA</abbrev>. Everyone is permitted to copy and | |
9 distribute verbatim copies of this license document, but changing it is | |
10 not allowed. | |
11 </para> | |
12 <bridgehead id="fdl-1-preamble" renderas="sect1"> | |
13 0. PREAMBLE | |
14 </bridgehead> | |
15 <para> | |
16 The purpose of this License is to make a manual, textbook, or other | |
17 functional and useful document "free" in the sense of freedom: to assure | |
18 everyone the effective freedom to copy and redistribute it, with or | |
19 without modifying it, either commercially or noncommercially. | |
20 Secondarily, this License preserves for the author and publisher a way to | |
21 get credit for their work, while not being considered responsible for | |
22 modifications made by others. | |
23 </para> | |
24 <para> | |
25 This License is a kind of "copyleft", which means that derivative works of | |
26 the document must themselves be free in the same sense. It complements | |
27 the GNU General Public License, which is a copyleft license designed for | |
28 free software. | |
29 </para> | |
30 <para> | |
31 We have designed this License in order to use it for manuals for free | |
32 software, because free software needs free documentation: a free program | |
33 should come with manuals providing the same freedoms that the software | |
34 does. But this License is not limited to software manuals; it can be used | |
35 for any textual work, regardless of subject matter or whether it is | |
36 published as a printed book. We recommend this License principally for | |
37 works whose purpose is instruction or reference.</para> | |
38 <bridgehead id="fdl-1-definitions" renderas="sect1"> | |
39 1. APPLICABILITY AND DEFINITIONS | |
40 </bridgehead> | |
41 <para> | |
42 This License applies to any manual or other work, in any medium, that | |
43 contains a notice placed by the copyright holder saying it can be | |
44 distributed under the terms of this License. Such a notice grants a | |
45 world-wide, royalty-free license, unlimited in duration, to use that work | |
46 under the conditions stated herein. The "Document", below, refers to any | |
47 such manual or work. Any member of the public is a licensee, and is | |
48 addressed as "you". You accept the license if you copy, modify or | |
49 distribute the work in a way requiring permission under copyright | |
50 law. | |
51 </para> | |
52 <para> | |
53 A "Modified Version" of the Document means any work containing the | |
54 Document or a portion of it, either copied verbatim, or with modifications | |
55 and/or translated into another language. | |
56 </para> | |
57 <para> | |
58 A "Secondary Section" is a named appendix or a front-matter section of the | |
59 Document that deals exclusively with the relationship of the publishers or | |
60 authors of the Document to the Document's overall subject (or to related | |
61 matters) and contains nothing that could fall directly within that overall | |
62 subject. (Thus, if the Document is in part a textbook of mathematics, a | |
63 Secondary Section may not explain any mathematics.) The relationship | |
64 could be a matter of historical connection with the subject or with | |
65 related matters, or of legal, commercial, philosophical, ethical or | |
66 political position regarding them. | |
67 </para> | |
68 <para> | |
69 The "Invariant Sections" are certain Secondary Sections whose titles are | |
70 designated, as being those of Invariant Sections, in the notice that says | |
71 that the Document is released under this License. If a section does not | |
72 fit the above definition of Secondary then it is not allowed to be | |
73 designated as Invariant. The Document may contain zero Invariant | |
74 Sections. If the Document does not identify any Invariant Sections then | |
75 there are none. | |
76 </para> | |
77 <para> | |
78 The "Cover Texts" are certain short passages of text that are listed, as | |
79 Front-Cover Texts or Back-Cover Texts, in the notice that says that the | |
80 Document is released under this License. A Front-Cover Text may be at | |
81 most 5 words, and a Back-Cover Text may be at most 25 words. | |
82 </para> | |
83 <para> | |
84 A "Transparent" copy of the Document means a machine-readable copy, | |
85 represented in a format whose specification is available to the general | |
86 public, that is suitable for revising the document straightforwardly with | |
87 generic text editors or (for images composed of pixels) generic paint | |
88 programs or (for drawings) some widely available drawing editor, and that | |
89 is suitable for input to text formatters or for automatic translation to a | |
90 variety of formats suitable for input to text formatters. A copy made in | |
91 an otherwise Transparent file format whose markup, or absence of markup, | |
92 has been arranged to thwart or discourage subsequent modification by | |
93 readers is not Transparent. An image format is not Transparent if used | |
94 for any substantial amount of text. A copy that is not "Transparent" is | |
95 called "Opaque". | |
96 </para> | |
97 <para> | |
98 Examples of suitable formats for Transparent copies include plain ASCII | |
99 without markup, Texinfo input format, LaTeX input format, SGML or XML | |
100 using a publicly available DTD, and standard-conforming simple HTML, | |
101 PostScript or PDF designed for human modification. Examples of | |
102 transparent image formats include PNG, XCF and JPG. Opaque formats | |
103 include proprietary formats that can be read and edited only by | |
104 proprietary word processors, SGML or XML for which the DTD and/or | |
105 processing tools are not generally available, and the machine-generated | |
106 HTML, PostScript or PDF produced by some word processors for output | |
107 purposes only. | |
108 </para> | |
109 <para> | |
110 The "Title Page" means, for a printed book, the title page itself, plus | |
111 such following pages as are needed to hold, legibly, the material this | |
112 License requires to appear in the title page. For works in formats which | |
113 do not have any title page as such, "Title Page" means the text near the | |
114 most prominent appearance of the work's title, preceding the beginning of | |
115 the body of the text. | |
116 </para> | |
117 <para> | |
118 A section "Entitled XYZ" means a named subunit of the Document whose title | |
119 either is precisely XYZ or contains XYZ in parentheses following text that | |
120 translates XYZ in another language. (Here XYZ stands for a specific | |
121 section name mentioned below, such as "Acknowledgements", "Dedications", | |
122 "Endorsements", or "History".) To "Preserve the Title" of such a section | |
123 when you modify the Document means that it remains a section "Entitled | |
124 XYZ" according to this definition. | |
125 </para> | |
126 <para> | |
127 The Document may include Warranty Disclaimers next to the notice which | |
128 states that this License applies to the Document. These Warranty | |
129 Disclaimers are considered to be included by reference in this License, | |
130 but only as regards disclaiming warranties: any other implication that | |
131 these Warranty Disclaimers may have is void and has no effect on the | |
132 meaning of this License. | |
133 </para> | |
134 <bridgehead id="VerbatimCopying" renderas="sect1"> | |
135 2. VERBATIM COPYING | |
136 </bridgehead> | |
137 <para> | |
138 You may copy and distribute the Document in any medium, either | |
139 commercially or noncommercially, provided that this License, the copyright | |
140 notices, and the license notice saying this License applies to the | |
141 Document are reproduced in all copies, and that you add no other | |
142 conditions whatsoever to those of this License. You may not use technical | |
143 measures to obstruct or control the reading or further copying of the | |
144 copies you make or distribute. However, you may accept compensation in | |
145 exchange for copies. If you distribute a large enough number of copies | |
146 you must also follow the conditions in section 3. | |
147 </para> | |
148 <para> | |
149 You may also lend copies, under the same conditions stated above, and you | |
150 may publicly display copies. | |
151 </para> | |
152 <bridgehead id="QuantityCopying" renderas="sect1"> | |
153 3. COPYING IN QUANTITY | |
154 </bridgehead> | |
155 <para> | |
156 If you publish printed copies (or copies in media that commonly have | |
157 printed covers) of the Document, numbering more than 100, and the | |
158 Document's license notice requires Cover Texts, you must enclose the | |
159 copies in covers that carry, clearly and legibly, all these Cover Texts: | |
160 Front-Cover Texts on the front cover, and Back-Cover Texts on the back | |
161 cover. Both covers must also clearly and legibly identify you as the | |
162 publisher of these copies. The front cover must present the full title | |
163 with all words of the title equally prominent and visible. You may add | |
164 other material on the covers in addition. Copying with changes limited to | |
165 the covers, as long as they preserve the title of the Document and satisfy | |
166 these conditions, can be treated as verbatim copying in other | |
167 respects. | |
168 </para> | |
169 <para> | |
170 If the required texts for either cover are too voluminous to fit legibly, | |
171 you should put the first ones listed (as many as fit reasonably) on the | |
172 actual cover, and continue the rest onto adjacent pages. | |
173 </para> | |
174 <para> | |
175 If you publish or distribute Opaque copies of the Document numbering more | |
176 than 100, you must either include a machine-readable Transparent copy | |
177 along with each Opaque copy, or state in or with each Opaque copy a | |
178 computer-network location from which the general network-using public has | |
179 access to download using public-standard network protocols a complete | |
180 Transparent copy of the Document, free of added material. If you use the | |
181 latter option, you must take reasonably prudent steps, when you begin | |
182 distribution of Opaque copies in quantity, to ensure that this Transparent | |
183 copy will remain thus accessible at the stated location until at least one | |
184 year after the last time you distribute an Opaque copy (directly or | |
185 through your agents or retailers) of that edition to the public. | |
186 </para> | |
187 <para> | |
188 It is requested, but not required, that you contact the authors of the | |
189 Document well before redistributing any large number of copies, to give | |
190 them a chance to provide you with an updated version of the | |
191 Document. | |
192 </para> | |
193 <bridgehead id="Modifications" renderas="sect1"> | |
194 4. MODIFICATIONS | |
195 </bridgehead> | |
196 <para> | |
197 You may copy and distribute a Modified Version of the Document under the | |
198 conditions of sections 2 and 3 above, provided that you release the | |
199 Modified Version under precisely this License, with the Modified Version | |
200 filling the role of the Document, thus licensing distribution and | |
201 modification of the Modified Version to whoever possesses a copy of it. | |
202 In addition, you must do these things in the Modified Version: | |
203 </para> | |
204 <orderedlist numeration="upperalpha"> | |
205 <listitem> | |
206 <simpara> | |
207 Use in the Title Page (and on the covers, if any) a title distinct | |
208 from that of the Document, and from those of previous versions (which | |
209 should, if there were any, be listed in the History section of the | |
210 Document). You may use the same title as a previous version if the | |
211 original publisher of that version gives permission. | |
212 </simpara> | |
213 </listitem> | |
214 <listitem> | |
215 <simpara> | |
216 List on the Title Page, as authors, one or more persons or entities | |
217 responsible for authorship of the modifications in the Modified | |
218 Version, together with at least five of the principal authors of the | |
219 Document (all of its principal authors, if it has fewer than five), | |
220 unless they release you from this requirement. | |
221 </simpara> | |
222 </listitem> | |
223 <listitem> | |
224 <simpara> | |
225 State on the Title page the name of the publisher of the Modified | |
226 Version, as the publisher. | |
227 </simpara> | |
228 </listitem> | |
229 <listitem> | |
230 <simpara> | |
231 Preserve all the copyright notices of the Document. | |
232 </simpara> | |
233 </listitem> | |
234 <listitem> | |
235 <simpara> | |
236 Add an appropriate copyright notice for your modifications adjacent to | |
237 the other copyright notices. | |
238 </simpara> | |
239 </listitem> | |
240 <listitem> | |
241 <simpara> | |
242 Include, immediately after the copyright notices, a license notice | |
243 giving the public permission to use the Modified Version under the | |
244 terms of this License, in the form shown in the Addendum below. | |
245 </simpara> | |
246 </listitem> | |
247 <listitem> | |
248 <simpara> | |
249 Preserve in that license notice the full lists of Invariant Sections | |
250 and required Cover Texts given in the Document's license notice. | |
251 </simpara> | |
252 </listitem> | |
253 <listitem> | |
254 <simpara> | |
255 Include an unaltered copy of this License. | |
256 </simpara> | |
257 </listitem> | |
258 <listitem> | |
259 <simpara> | |
260 Preserve the section Entitled "History", Preserve its Title, and add | |
261 to it an item stating at least the title, year, new authors, and | |
262 publisher of the Modified Version as given on the Title Page. If | |
263 there is no section Entitled "History" in the Document, create one | |
264 stating the title, year, authors, and publisher of the Document as | |
265 given on its Title Page, then add an item describing the Modified | |
266 Version as stated in the previous sentence. | |
267 </simpara> | |
268 </listitem> | |
269 <listitem> | |
270 <simpara> | |
271 Preserve the network location, if any, given in the Document for | |
272 public access to a Transparent copy of the Document, and likewise the | |
273 network locations given in the Document for previous versions it was | |
274 based on. These may be placed in the "History" section. You may omit | |
275 a network location for a work that was published at least four years | |
276 before the Document itself, or if the original publisher of the | |
277 version it refers to gives permission. | |
278 </simpara> | |
279 </listitem> | |
280 <listitem> | |
281 <simpara> | |
282 For any section Entitled "Acknowledgements" or "Dedications", Preserve | |
283 the Title of the section, and preserve in the section all the | |
284 substance and tone of each of the contributor acknowledgements and/or | |
285 dedications given therein. | |
286 </simpara> | |
287 </listitem> | |
288 <listitem> | |
289 <simpara> | |
290 Preserve all the Invariant Sections of the Document, unaltered in | |
291 their text and in their titles. Section numbers or the equivalent are | |
292 not considered part of the section titles. | |
293 </simpara> | |
294 </listitem> | |
295 <listitem> | |
296 <simpara> | |
297 Delete any section Entitled "Endorsements". Such a section may not be | |
298 included in the Modified Version. | |
299 </simpara> | |
300 </listitem> | |
301 <listitem> | |
302 <simpara> | |
303 Do not retitle any existing section to be Entitled "Endorsements" or | |
304 to conflict in title with any Invariant Section. | |
305 </simpara> | |
306 </listitem> | |
307 <listitem> | |
308 <simpara> | |
309 Preserve any Warranty Disclaimers. | |
310 </simpara> | |
311 </listitem> | |
312 </orderedlist> | |
313 <para> | |
314 If the Modified Version includes new front-matter sections or appendices | |
315 that qualify as Secondary Sections and contain no material copied from the | |
316 Document, you may at your option designate some or all of these sections | |
317 as invariant. To do this, add their titles to the list of Invariant | |
318 Sections in the Modified Version's license notice. These titles must be | |
319 distinct from any other section titles. | |
320 </para> | |
321 <para> | |
322 You may add a section Entitled "Endorsements", provided it contains | |
323 nothing but endorsements of your Modified Version by various parties--for | |
324 example, statements of peer review or that the text has been approved by | |
325 an organization as the authoritative definition of a standard. | |
326 </para> | |
327 <para> | |
328 You may add a passage of up to five words as a Front-Cover Text, and a | |
329 passage of up to 25 words as a Back-Cover Text, to the end of the list of | |
330 Cover Texts in the Modified Version. Only one passage of Front-Cover Text | |
331 and one of Back-Cover Text may be added by (or through arrangements made | |
332 by) any one entity. If the Document already includes a cover text for the | |
333 same cover, previously added by you or by arrangement made by the same | |
334 entity you are acting on behalf of, you may not add another; but you may | |
335 replace the old one, on explicit permission from the previous publisher | |
336 that added the old one. | |
337 </para> | |
338 <para> | |
339 The author(s) and publisher(s) of the Document do not by this License give | |
340 permission to use their names for publicity for or to assert or imply | |
341 endorsement of any Modified Version. | |
342 </para> | |
343 <bridgehead id="Combining" renderas="sect1"> | |
344 5. COMBINING DOCUMENTS | |
345 </bridgehead> | |
346 <para> | |
347 You may combine the Document with other documents released under this | |
348 License, under the terms defined in section 4 above for modified versions, | |
349 provided that you include in the combination all of the Invariant Sections | |
350 of all of the original documents, unmodified, and list them all as | |
351 Invariant Sections of your combined work in its license notice, and that | |
352 you preserve all their Warranty Disclaimers. | |
353 </para> | |
354 <para> | |
355 The combined work need only contain one copy of this License, and multiple | |
356 identical Invariant Sections may be replaced with a single copy. If there | |
357 are multiple Invariant Sections with the same name but different contents, | |
358 make the title of each such section unique by adding at the end of it, in | |
359 parentheses, the name of the original author or publisher of that section | |
360 if known, or else a unique number. Make the same adjustment to the | |
361 section titles in the list of Invariant Sections in the license notice of | |
362 the combined work. | |
363 </para> | |
364 <para> | |
365 In the combination, you must combine any sections Entitled "History" in | |
366 the various original documents, forming one section Entitled "History"; | |
367 likewise combine any sections Entitled "Acknowledgements", and any | |
368 sections Entitled "Dedications". You must delete all sections Entitled | |
369 "Endorsements". | |
370 </para> | |
371 <bridgehead id="Collections" renderas="sect1"> | |
372 6. COLLECTIONS OF DOCUMENTS | |
373 </bridgehead> | |
374 <para> | |
375 You may make a collection consisting of the Document and other documents | |
376 released under this License, and replace the individual copies of this | |
377 License in the various documents with a single copy that is included in | |
378 the collection, provided that you follow the rules of this License for | |
379 verbatim copying of each of the documents in all other respects. | |
380 </para> | |
381 <para> | |
382 You may extract a single document from such a collection, and distribute | |
383 it individually under this License, provided you insert a copy of this | |
384 License into the extracted document, and follow this License in all other | |
385 respects regarding verbatim copying of that document. | |
386 </para> | |
387 <bridgehead id="Aggregation" renderas="sect1"> | |
388 7. AGGREGATION WITH INDEPENDENT WORKS | |
389 </bridgehead> | |
390 <para> | |
391 A compilation of the Document or its derivatives with other separate and | |
392 independent documents or works, in or on a volume of a storage or | |
393 distribution medium, is called an "aggregate" if the copyright resulting | |
394 from the compilation is not used to limit the legal rights of the | |
395 compilation's users beyond what the individual works permit. When the | |
396 Document is included in an aggregate, this License does not apply to the | |
397 other works in the aggregate which are not themselves derivative works of | |
398 the Document. | |
399 </para> | |
400 <para> | |
401 If the Cover Text requirement of section 3 is applicable to these copies | |
402 of the Document, then if the Document is less than one half of the entire | |
403 aggregate, the Document's Cover Texts may be placed on covers that bracket | |
404 the Document within the aggregate, or the electronic equivalent of covers | |
405 if the Document is in electronic form. Otherwise they must appear on | |
406 printed covers that bracket the whole aggregate. | |
407 </para> | |
408 <bridgehead id="Translation" renderas="sect1"> | |
409 8. TRANSLATION | |
410 </bridgehead> | |
411 <para> | |
412 Translation is considered a kind of modification, so you may distribute | |
413 translations of the Document under the terms of section 4. Replacing | |
414 Invariant Sections with translations requires special permission from | |
415 their copyright holders, but you may include translations of some or all | |
416 Invariant Sections in addition to the original versions of these Invariant | |
417 Sections. You may include a translation of this License, and all the | |
418 license notices in the Document, and any Warranty Disclaimers, provided | |
419 that you also include the original English version of this License and the | |
420 original versions of those notices and disclaimers. In case of a | |
421 disagreement between the translation and the original version of this | |
422 License or a notice or disclaimer, the original version will prevail. | |
423 </para> | |
424 <para> | |
425 If a section in the Document is Entitled "Acknowledgements", | |
426 "Dedications", or "History", the requirement (section 4) to Preserve its | |
427 Title (section 1) will typically require changing the actual title. | |
428 </para> | |
429 <bridgehead id="fdl-1-termination" renderas="sect1"> | |
430 9. TERMINATION | |
431 </bridgehead> | |
432 <para> | |
433 You may not copy, modify, sublicense, or distribute the Document except as | |
434 expressly provided for under this License. Any other attempt to copy, | |
435 modify, sublicense or distribute the Document is void, and will | |
436 automatically terminate your rights under this License. However, parties | |
437 who have received copies, or rights, from you under this License will not | |
438 have their licenses terminated so long as such parties remain in full | |
439 compliance. | |
440 </para> | |
441 <bridgehead id="FutureRevisions" renderas="sect1"> | |
442 10. FUTURE REVISIONS OF THIS LICENSE | |
443 </bridgehead> | |
444 <para> | |
445 The Free Software Foundation may publish new, revised versions of the GNU | |
446 Free Documentation License from time to time. Such new versions will be | |
447 similar in spirit to the present version, but may differ in detail to | |
448 address new problems or concerns. See <ulink | |
449 url="http://www.gnu.org/copyleft/">http://www.gnu.org/copyleft/</ulink>. | |
450 </para> | |
451 <para> | |
452 Each version of the License is given a distinguishing version number. If | |
453 the Document specifies that a particular numbered version of this License | |
454 "or any later version" applies to it, you have the option of following the | |
455 terms and conditions either of that specified version or of any later | |
456 version that has been published (not as a draft) by the Free Software | |
457 Foundation. If the Document does not specify a version number of this | |
458 License, you may choose any version ever published (not as a draft) by the | |
459 Free Software Foundation. | |
460 </para> | |
461 <bridgehead id="HowToUse" renderas="sect1"> | |
462 ADDENDUM: How to use this License for your documents | |
463 </bridgehead> | |
464 <para> | |
465 To use this License in a document you have written, include a copy of the | |
466 License in the document and put the following copyright and license | |
467 notices just after the title page: | |
468 </para> | |
469 <blockquote> | |
470 <para> | |
471 Copyright (C) YEAR YOUR NAME. | |
472 </para> | |
473 <para> | |
474 Permission is granted to copy, distribute and/or modify this document | |
475 under the terms of the GNU Free Documentation License, Version 1.2 or | |
476 any later version published by the Free Software Foundation; with no | |
477 Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A | |
478 copy of the license is included in the section entitled "GNU Free | |
479 Documentation License". | |
480 </para> | |
481 </blockquote> | |
482 <para> | |
483 If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, | |
484 replace the "with...Texts." line with this: | |
485 </para> | |
486 <blockquote> | |
487 <para> | |
488 with the Invariant Sections being LIST THEIR TITLES, with the | |
489 Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST. | |
490 </para> | |
491 </blockquote> | |
492 <para> | |
493 If you have Invariant Sections without Cover Texts, or some other | |
494 combination of the three, merge those two alternatives to suit the | |
495 situation. | |
496 </para> | |
497 <para> | |
498 If your document contains nontrivial examples of program code, we | |
499 recommend releasing these examples in parallel under your choice of free | |
500 software license, such as the GNU General Public License, to permit their | |
501 use in free software. | |
502 </para> | |
503 </appendix> | |
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