1100513Sru 2100513Sru@node GNU Free Documentation License 3100513Sru@appendixsec GNU Free Documentation License 4100513Sru 5100513Sru@cindex FDL, GNU Free Documentation License 6114472Sru@center Version 1.2, November 2002 7100513Sru 8100513Sru@display 9114472SruCopyright @copyright{} 2000,2001,2002 Free Software Foundation, Inc. 10100513Sru59 Temple Place, Suite 330, Boston, MA 02111-1307, USA 11100513Sru 12100513SruEveryone is permitted to copy and distribute verbatim copies 13100513Sruof this license document, but changing it is not allowed. 14100513Sru@end display 15100513Sru 16100513Sru@enumerate 0 17100513Sru@item 18100513SruPREAMBLE 19100513Sru 20100513SruThe purpose of this License is to make a manual, textbook, or other 21114472Srufunctional and useful document @dfn{free} in the sense of freedom: to 22114472Sruassure everyone the effective freedom to copy and redistribute it, 23114472Sruwith or without modifying it, either commercially or noncommercially. 24114472SruSecondarily, this License preserves for the author and publisher a way 25114472Sruto get credit for their work, while not being considered responsible 26114472Srufor modifications made by others. 27100513Sru 28100513SruThis License is a kind of ``copyleft'', which means that derivative 29100513Sruworks of the document must themselves be free in the same sense. It 30100513Srucomplements the GNU General Public License, which is a copyleft 31100513Srulicense designed for free software. 32100513Sru 33100513SruWe have designed this License in order to use it for manuals for free 34100513Srusoftware, because free software needs free documentation: a free 35100513Sruprogram should come with manuals providing the same freedoms that the 36100513Srusoftware does. But this License is not limited to software manuals; 37100513Sruit can be used for any textual work, regardless of subject matter or 38100513Sruwhether it is published as a printed book. We recommend this License 39100513Sruprincipally for works whose purpose is instruction or reference. 40100513Sru 41100513Sru@item 42100513SruAPPLICABILITY AND DEFINITIONS 43100513Sru 44114472SruThis License applies to any manual or other work, in any medium, that 45114472Srucontains a notice placed by the copyright holder saying it can be 46114472Srudistributed under the terms of this License. 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These Warranty 125114472SruDisclaimers are considered to be included by reference in this 126114472SruLicense, but only as regards disclaiming warranties: any other 127114472Sruimplication that these Warranty Disclaimers may have is void and has 128114472Sruno effect on the meaning of this License. 129114472Sru 130100513Sru@item 131100513SruVERBATIM COPYING 132100513Sru 133100513SruYou may copy and distribute the Document in any medium, either 134100513Srucommercially or noncommercially, provided that this License, the 135100513Srucopyright notices, and the license notice saying this License applies 136100513Sruto the Document are reproduced in all copies, and that you add no other 137100513Sruconditions whatsoever to those of this License. You may not use 138100513Srutechnical measures to obstruct or control the reading or further 139100513Srucopying of the copies you make or distribute. However, you may accept 140100513Srucompensation in exchange for copies. If you distribute a large enough 141100513Srunumber of copies you must also follow the conditions in section 3. 142100513Sru 143100513SruYou may also lend copies, under the same conditions stated above, and 144100513Sruyou may publicly display copies. 145100513Sru 146100513Sru@item 147100513SruCOPYING IN QUANTITY 148100513Sru 149114472SruIf you publish printed copies (or copies in media that commonly have 150114472Sruprinted covers) of the Document, numbering more than 100, and the 151114472SruDocument's license notice requires Cover Texts, you must enclose the 152114472Srucopies in covers that carry, clearly and legibly, all these Cover 153100513SruTexts: Front-Cover Texts on the front cover, and Back-Cover Texts on 154100513Sruthe back cover. Both covers must also clearly and legibly identify 155100513Sruyou as the publisher of these copies. The front cover must present 156100513Sruthe full title with all words of the title equally prominent and 157100513Sruvisible. 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You may use the same title as a previous version 200100513Sruif the original publisher of that version gives permission. 201100513Sru 202100513Sru@item 203100513SruList on the Title Page, as authors, one or more persons or entities 204100513Sruresponsible for authorship of the modifications in the Modified 205100513SruVersion, together with at least five of the principal authors of the 206114472SruDocument (all of its principal authors, if it has fewer than five), 207114472Sruunless they release you from this requirement. 208100513Sru 209100513Sru@item 210100513SruState on the Title page the name of the publisher of the 211100513SruModified Version, as the publisher. 212100513Sru 213100513Sru@item 214100513SruPreserve all the copyright notices of the Document. 215100513Sru 216100513Sru@item 217100513SruAdd an appropriate copyright notice for your modifications 218100513Sruadjacent to the other copyright notices. 219100513Sru 220100513Sru@item 221100513SruInclude, immediately after the copyright notices, a license notice 222100513Srugiving the public permission to use the Modified Version under the 223100513Sruterms of this License, in the form shown in the Addendum below. 224100513Sru 225100513Sru@item 226100513SruPreserve in that license notice the full lists of Invariant Sections 227100513Sruand required Cover Texts given in the Document's license notice. 228100513Sru 229100513Sru@item 230100513SruInclude an unaltered copy of this License. 231100513Sru 232100513Sru@item 233114472SruPreserve the section Entitled ``History'', Preserve its Title, and add 234114472Sruto it an item stating at least the title, year, new authors, and 235100513Srupublisher of the Modified Version as given on the Title Page. 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These may be placed in the ``History'' section. 246100513SruYou may omit a network location for a work that was published at 247100513Sruleast four years before the Document itself, or if the original 248100513Srupublisher of the version it refers to gives permission. 249100513Sru 250100513Sru@item 251114472SruFor any section Entitled ``Acknowledgements'' or ``Dedications'', Preserve 252114472Sruthe Title of the section, and preserve in the section all the 253114472Srusubstance and tone of each of the contributor acknowledgements and/or 254114472Srudedications given therein. 255100513Sru 256100513Sru@item 257100513SruPreserve all the Invariant Sections of the Document, 258100513Sruunaltered in their text and in their titles. Section numbers 259100513Sruor the equivalent are not considered part of the section titles. 260100513Sru 261100513Sru@item 262114472SruDelete any section Entitled ``Endorsements''. Such a section 263100513Srumay not be included in the Modified Version. 264100513Sru 265100513Sru@item 266114472SruDo not retitle any existing section to be Entitled ``Endorsements'' or 267114472Sruto conflict in title with any Invariant Section. 268114472Sru 269114472Sru@item 270114472SruPreserve any Warranty Disclaimers. 271100513Sru@end enumerate 272100513Sru 273100513SruIf the Modified Version includes new front-matter sections or 274100513Sruappendices that qualify as Secondary Sections and contain no material 275100513Srucopied from the Document, you may at your option designate some or all 276100513Sruof these sections as invariant. To do this, add their titles to the 277100513Srulist of Invariant Sections in the Modified Version's license notice. 278100513SruThese titles must be distinct from any other section titles. 279100513Sru 280114472SruYou may add a section Entitled ``Endorsements'', provided it contains 281100513Srunothing but endorsements of your Modified Version by various 282100513Sruparties---for example, statements of peer review or that the text has 283100513Srubeen approved by an organization as the authoritative definition of a 284100513Srustandard. 285100513Sru 286100513SruYou may add a passage of up to five words as a Front-Cover Text, and a 287100513Srupassage of up to 25 words as a Back-Cover Text, to the end of the list 288100513Sruof Cover Texts in the Modified Version. Only one passage of 289100513SruFront-Cover Text and one of Back-Cover Text may be added by (or 290100513Sruthrough arrangements made by) any one entity. If the Document already 291100513Sruincludes a cover text for the same cover, previously added by you or 292100513Sruby arrangement made by the same entity you are acting on behalf of, 293100513Sruyou may not add another; but you may replace the old one, on explicit 294100513Srupermission from the previous publisher that added the old one. 295100513Sru 296100513SruThe author(s) and publisher(s) of the Document do not by this License 297100513Srugive permission to use their names for publicity for or to assert or 298100513Sruimply endorsement of any Modified Version. 299100513Sru 300100513Sru@item 301100513SruCOMBINING DOCUMENTS 302100513Sru 303100513SruYou may combine the Document with other documents released under this 304100513SruLicense, under the terms defined in section 4 above for modified 305100513Sruversions, provided that you include in the combination all of the 306100513SruInvariant Sections of all of the original documents, unmodified, and 307100513Srulist them all as Invariant Sections of your combined work in its 308114472Srulicense notice, and that you preserve all their Warranty Disclaimers. 309100513Sru 310100513SruThe combined work need only contain one copy of this License, and 311100513Srumultiple identical Invariant Sections may be replaced with a single 312100513Srucopy. If there are multiple Invariant Sections with the same name but 313100513Srudifferent contents, make the title of each such section unique by 314100513Sruadding at the end of it, in parentheses, the name of the original 315100513Sruauthor or publisher of that section if known, or else a unique number. 316100513SruMake the same adjustment to the section titles in the list of 317100513SruInvariant Sections in the license notice of the combined work. 318100513Sru 319114472SruIn the combination, you must combine any sections Entitled ``History'' 320114472Sruin the various original documents, forming one section Entitled 321114472Sru``History''; likewise combine any sections Entitled ``Acknowledgements'', 322114472Sruand any sections Entitled ``Dedications''. You must delete all 323114472Srusections Entitled ``Endorsements.'' 324100513Sru 325100513Sru@item 326100513SruCOLLECTIONS OF DOCUMENTS 327100513Sru 328100513SruYou may make a collection consisting of the Document and other documents 329100513Srureleased under this License, and replace the individual copies of this 330100513SruLicense in the various documents with a single copy that is included in 331100513Sruthe collection, provided that you follow the rules of this License for 332100513Sruverbatim copying of each of the documents in all other respects. 333100513Sru 334100513SruYou may extract a single document from such a collection, and distribute 335100513Sruit individually under this License, provided you insert a copy of this 336100513SruLicense into the extracted document, and follow this License in all 337100513Sruother respects regarding verbatim copying of that document. 338100513Sru 339100513Sru@item 340100513SruAGGREGATION WITH INDEPENDENT WORKS 341100513Sru 342100513SruA compilation of the Document or its derivatives with other separate 343100513Sruand independent documents or works, in or on a volume of a storage or 344114472Srudistribution medium, is called an ``aggregate'' if the copyright 345114472Sruresulting from the compilation is not used to limit the legal rights 346114472Sruof the compilation's users beyond what the individual works permit. 347116525SruWhen the Document is included in an aggregate, this License does not 348114472Sruapply to the other works in the aggregate which are not themselves 349114472Sruderivative works of the Document. 350100513Sru 351100513SruIf the Cover Text requirement of section 3 is applicable to these 352114472Srucopies of the Document, then if the Document is less than one half of 353114472Sruthe entire aggregate, the Document's Cover Texts may be placed on 354114472Srucovers that bracket the Document within the aggregate, or the 355114472Sruelectronic equivalent of covers if the Document is in electronic form. 356114472SruOtherwise they must appear on printed covers that bracket the whole 357114472Sruaggregate. 358100513Sru 359100513Sru@item 360100513SruTRANSLATION 361100513Sru 362100513SruTranslation is considered a kind of modification, so you may 363100513Srudistribute translations of the Document under the terms of section 4. 364100513SruReplacing Invariant Sections with translations requires special 365100513Srupermission from their copyright holders, but you may include 366100513Srutranslations of some or all Invariant Sections in addition to the 367100513Sruoriginal versions of these Invariant Sections. You may include a 368114472Srutranslation of this License, and all the license notices in the 369116525SruDocument, and any Warranty Disclaimers, provided that you also include 370114472Sruthe original English version of this License and the original versions 371114472Sruof those notices and disclaimers. In case of a disagreement between 372114472Sruthe translation and the original version of this License or a notice 373114472Sruor disclaimer, the original version will prevail. 374100513Sru 375114472SruIf a section in the Document is Entitled ``Acknowledgements'', 376114472Sru``Dedications'', or ``History'', the requirement (section 4) to Preserve 377114472Sruits Title (section 1) will typically require changing the actual 378114472Srutitle. 379114472Sru 380100513Sru@item 381100513SruTERMINATION 382100513Sru 383100513SruYou may not copy, modify, sublicense, or distribute the Document except 384100513Sruas expressly provided for under this License. Any other attempt to 385100513Srucopy, modify, sublicense or distribute the Document is void, and will 386100513Sruautomatically terminate your rights under this License. However, 387100513Sruparties who have received copies, or rights, from you under this 388100513SruLicense will not have their licenses terminated so long as such 389100513Sruparties remain in full compliance. 390100513Sru 391100513Sru@item 392100513SruFUTURE REVISIONS OF THIS LICENSE 393100513Sru 394100513SruThe Free Software Foundation may publish new, revised versions 395100513Sruof the GNU Free Documentation License from time to time. Such new 396100513Sruversions will be similar in spirit to the present version, but may 397100513Srudiffer in detail to address new problems or concerns. See 398100513Sru@uref{http://www.gnu.org/copyleft/}. 399100513Sru 400100513SruEach version of the License is given a distinguishing version number. 401100513SruIf the Document specifies that a particular numbered version of this 402100513SruLicense ``or any later version'' applies to it, you have the option of 403100513Srufollowing the terms and conditions either of that specified version or 404100513Sruof any later version that has been published (not as a draft) by the 405100513SruFree Software Foundation. If the Document does not specify a version 406100513Srunumber of this License, you may choose any version ever published (not 407100513Sruas a draft) by the Free Software Foundation. 408100513Sru@end enumerate 409100513Sru 410100513Sru@page 411100513Sru@appendixsubsec ADDENDUM: How to use this License for your documents 412100513Sru 413100513SruTo use this License in a document you have written, include a copy of 414100513Sruthe License in the document and put the following copyright and 415100513Srulicense notices just after the title page: 416100513Sru 417100513Sru@smallexample 418100513Sru@group 419100513Sru Copyright (C) @var{year} @var{your name}. 420100513Sru Permission is granted to copy, distribute and/or modify this document 421114472Sru under the terms of the GNU Free Documentation License, Version 1.2 422100513Sru or any later version published by the Free Software Foundation; 423114472Sru with no Invariant Sections, no Front-Cover Texts, and no Back-Cover 424116525Sru Texts. A copy of the license is included in the section entitled ``GNU 425116525Sru Free Documentation License''. 426100513Sru@end group 427100513Sru@end smallexample 428100513Sru 429114472SruIf you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, 430114472Srureplace the ``with...Texts.'' line with this: 431100513Sru 432114472Sru@smallexample 433114472Sru@group 434114472Sru with the Invariant Sections being @var{list their titles}, with 435114472Sru the Front-Cover Texts being @var{list}, and with the Back-Cover Texts 436114472Sru being @var{list}. 437114472Sru@end group 438114472Sru@end smallexample 439114472Sru 440114472SruIf you have Invariant Sections without Cover Texts, or some other 441114472Srucombination of the three, merge those two alternatives to suit the 442114472Srusituation. 443114472Sru 444100513SruIf your document contains nontrivial examples of program code, we 445100513Srurecommend releasing these examples in parallel under your choice of 446100513Srufree software license, such as the GNU General Public License, 447100513Sruto permit their use in free software. 448100513Sru 449100513Sru@c Local Variables: 450100513Sru@c ispell-local-pdict: "ispell-dict" 451100513Sru@c End: 452100513Sru 453