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  133. .\" ========================================================================
  134. .\"
  135. .IX Title "GFDL 7"
  136. .TH GFDL 7 "2020-11-03" "gcc-10.2.1" "GNU"
  137. .\" For nroff, turn off justification. Always turn off hyphenation; it makes
  138. .\" way too many mistakes in technical documents.
  139. .if n .ad l
  140. .nh
  141. .SH "NAME"
  142. gfdl \- GNU Free Documentation License
  143. .SH "DESCRIPTION"
  144. .IX Header "DESCRIPTION"
  145. \&\f(CW@comment\fR For some cases, this default \f(CW@node\fR/@unnumbered is not applicable and
  146. \&\f(CW@comment\fR causes warnings. In those cases, the including file can set
  147. \&\f(CW@comment\fR nodefaultgnufreedocumentationlicensenode and provide it's own version.
  148. \&\f(CW@comment\fR F.i., when this file is included in an \f(CW@raisesections\fR context, the
  149. \&\f(CW@comment\fR including file can use an \f(CW@unnumberedsec\fR.
  150. .SS "\s-1GNU\s0 Free Documentation License"
  151. .IX Subsection "GNU Free Documentation License"
  152. .SS "Version 1.3, 3 November 2008"
  153. .IX Subsection "Version 1.3, 3 November 2008"
  154. .Vb 2
  155. \& Copyright (c) 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
  156. \& E<lt>B<http://fsf.org/>E<gt>
  157. \&
  158. \& Everyone is permitted to copy and distribute verbatim copies
  159. \& of this license document, but changing it is not allowed.
  160. .Ve
  161. .IP "0." 4
  162. .IX Item "0."
  163. \&\s-1PREAMBLE\s0
  164. .Sp
  165. The purpose of this License is to make a manual, textbook, or other
  166. functional and useful document \fIfree\fR in the sense of freedom: to
  167. assure everyone the effective freedom to copy and redistribute it,
  168. with or without modifying it, either commercially or noncommercially.
  169. Secondarily, this License preserves for the author and publisher a way
  170. to get credit for their work, while not being considered responsible
  171. for modifications made by others.
  172. .Sp
  173. This License is a kind of \*(L"copyleft\*(R", which means that derivative
  174. works of the document must themselves be free in the same sense. It
  175. complements the \s-1GNU\s0 General Public License, which is a copyleft
  176. license designed for free software.
  177. .Sp
  178. We have designed this License in order to use it for manuals for free
  179. software, because free software needs free documentation: a free
  180. program should come with manuals providing the same freedoms that the
  181. software does. But this License is not limited to software manuals;
  182. it can be used for any textual work, regardless of subject matter or
  183. whether it is published as a printed book. We recommend this License
  184. principally for works whose purpose is instruction or reference.
  185. .IP "1." 4
  186. .IX Item "1."
  187. \&\s-1APPLICABILITY AND DEFINITIONS\s0
  188. .Sp
  189. This License applies to any manual or other work, in any medium, that
  190. contains a notice placed by the copyright holder saying it can be
  191. distributed under the terms of this License. Such a notice grants a
  192. world-wide, royalty-free license, unlimited in duration, to use that
  193. work under the conditions stated herein. The \*(L"Document\*(R", below,
  194. refers to any such manual or work. Any member of the public is a
  195. licensee, and is addressed as \*(L"you\*(R". You accept the license if you
  196. copy, modify or distribute the work in a way requiring permission
  197. under copyright law.
  198. .Sp
  199. A \*(L"Modified Version\*(R" of the Document means any work containing the
  200. Document or a portion of it, either copied verbatim, or with
  201. modifications and/or translated into another language.
  202. .Sp
  203. A \*(L"Secondary Section\*(R" is a named appendix or a front-matter section
  204. of the Document that deals exclusively with the relationship of the
  205. publishers or authors of the Document to the Document's overall
  206. subject (or to related matters) and contains nothing that could fall
  207. directly within that overall subject. (Thus, if the Document is in
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  209. any mathematics.) The relationship could be a matter of historical
  210. connection with the subject or with related matters, or of legal,
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  213. .Sp
  214. The \*(L"Invariant Sections\*(R" are certain Secondary Sections whose titles
  215. are designated, as being those of Invariant Sections, in the notice
  216. that says that the Document is released under this License. If a
  217. section does not fit the above definition of Secondary then it is not
  218. allowed to be designated as Invariant. The Document may contain zero
  219. Invariant Sections. If the Document does not identify any Invariant
  220. Sections then there are none.
  221. .Sp
  222. The \*(L"Cover Texts\*(R" are certain short passages of text that are listed,
  223. as Front-Cover Texts or Back-Cover Texts, in the notice that says that
  224. the Document is released under this License. A Front-Cover Text may
  225. be at most 5 words, and a Back-Cover Text may be at most 25 words.
  226. .Sp
  227. A \*(L"Transparent\*(R" copy of the Document means a machine-readable copy,
  228. represented in a format whose specification is available to the
  229. general public, that is suitable for revising the document
  230. straightforwardly with generic text editors or (for images composed of
  231. pixels) generic paint programs or (for drawings) some widely available
  232. drawing editor, and that is suitable for input to text formatters or
  233. for automatic translation to a variety of formats suitable for input
  234. to text formatters. A copy made in an otherwise Transparent file
  235. format whose markup, or absence of markup, has been arranged to thwart
  236. or discourage subsequent modification by readers is not Transparent.
  237. An image format is not Transparent if used for any substantial amount
  238. of text. A copy that is not \*(L"Transparent\*(R" is called \*(L"Opaque\*(R".
  239. .Sp
  240. Examples of suitable formats for Transparent copies include plain
  241. \&\s-1ASCII\s0 without markup, Texinfo input format, LaTeX input
  242. format, \s-1SGML\s0 or \s-1XML\s0 using a publicly available
  243. \&\s-1DTD,\s0 and standard-conforming simple \s-1HTML,\s0
  244. PostScript or \s-1PDF\s0 designed for human modification. Examples
  245. of transparent image formats include \s-1PNG, XCF\s0 and
  246. \&\s-1JPG. \s0 Opaque formats include proprietary formats that can be
  247. read and edited only by proprietary word processors, \s-1SGML\s0 or
  248. \&\s-1XML\s0 for which the \s-1DTD\s0 and/or processing tools are
  249. not generally available, and the machine-generated \s-1HTML,\s0
  250. PostScript or \s-1PDF\s0 produced by some word processors for
  251. output purposes only.
  252. .Sp
  253. The \*(L"Title Page\*(R" means, for a printed book, the title page itself,
  254. plus such following pages as are needed to hold, legibly, the material
  255. this License requires to appear in the title page. For works in
  256. formats which do not have any title page as such, \*(L"Title Page\*(R" means
  257. the text near the most prominent appearance of the work's title,
  258. preceding the beginning of the body of the text.
  259. .Sp
  260. The \*(L"publisher\*(R" means any person or entity that distributes copies
  261. of the Document to the public.
  262. .Sp
  263. A section \*(L"Entitled \s-1XYZ\*(R"\s0 means a named subunit of the Document whose
  264. title either is precisely \s-1XYZ\s0 or contains \s-1XYZ\s0 in parentheses following
  265. text that translates \s-1XYZ\s0 in another language. (Here \s-1XYZ\s0 stands for a
  266. specific section name mentioned below, such as \*(L"Acknowledgements\*(R",
  267. \&\*(L"Dedications\*(R", \*(L"Endorsements\*(R", or \*(L"History\*(R".) To \*(L"Preserve the Title\*(R"
  268. of such a section when you modify the Document means that it remains a
  269. section \*(L"Entitled \s-1XYZ\*(R"\s0 according to this definition.
  270. .Sp
  271. The Document may include Warranty Disclaimers next to the notice which
  272. states that this License applies to the Document. These Warranty
  273. Disclaimers are considered to be included by reference in this
  274. License, but only as regards disclaiming warranties: any other
  275. implication that these Warranty Disclaimers may have is void and has
  276. no effect on the meaning of this License.
  277. .IP "2." 4
  278. .IX Item "2."
  279. \&\s-1VERBATIM COPYING\s0
  280. .Sp
  281. You may copy and distribute the Document in any medium, either
  282. commercially or noncommercially, provided that this License, the
  283. copyright notices, and the license notice saying this License applies
  284. to the Document are reproduced in all copies, and that you add no other
  285. conditions whatsoever to those of this License. You may not use
  286. technical measures to obstruct or control the reading or further
  287. copying of the copies you make or distribute. However, you may accept
  288. compensation in exchange for copies. If you distribute a large enough
  289. number of copies you must also follow the conditions in section 3.
  290. .Sp
  291. You may also lend copies, under the same conditions stated above, and
  292. you may publicly display copies.
  293. .IP "3." 4
  294. .IX Item "3."
  295. \&\s-1COPYING IN QUANTITY\s0
  296. .Sp
  297. If you publish printed copies (or copies in media that commonly have
  298. printed covers) of the Document, numbering more than 100, and the
  299. Document's license notice requires Cover Texts, you must enclose the
  300. copies in covers that carry, clearly and legibly, all these Cover
  301. Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on
  302. the back cover. Both covers must also clearly and legibly identify
  303. you as the publisher of these copies. The front cover must present
  304. the full title with all words of the title equally prominent and
  305. visible. You may add other material on the covers in addition.
  306. Copying with changes limited to the covers, as long as they preserve
  307. the title of the Document and satisfy these conditions, can be treated
  308. as verbatim copying in other respects.
  309. .Sp
  310. If the required texts for either cover are too voluminous to fit
  311. legibly, you should put the first ones listed (as many as fit
  312. reasonably) on the actual cover, and continue the rest onto adjacent
  313. pages.
  314. .Sp
  315. If you publish or distribute Opaque copies of the Document numbering
  316. more than 100, you must either include a machine-readable Transparent
  317. copy along with each Opaque copy, or state in or with each Opaque copy
  318. a computer-network location from which the general network-using
  319. public has access to download using public-standard network protocols
  320. a complete Transparent copy of the Document, free of added material.
  321. If you use the latter option, you must take reasonably prudent steps,
  322. when you begin distribution of Opaque copies in quantity, to ensure
  323. that this Transparent copy will remain thus accessible at the stated
  324. location until at least one year after the last time you distribute an
  325. Opaque copy (directly or through your agents or retailers) of that
  326. edition to the public.
  327. .Sp
  328. It is requested, but not required, that you contact the authors of the
  329. Document well before redistributing any large number of copies, to give
  330. them a chance to provide you with an updated version of the Document.
  331. .IP "4." 4
  332. .IX Item "4."
  333. \&\s-1MODIFICATIONS\s0
  334. .Sp
  335. You may copy and distribute a Modified Version of the Document under
  336. the conditions of sections 2 and 3 above, provided that you release
  337. the Modified Version under precisely this License, with the Modified
  338. Version filling the role of the Document, thus licensing distribution
  339. and modification of the Modified Version to whoever possesses a copy
  340. of it. In addition, you must do these things in the Modified Version:
  341. .RS 4
  342. .IP "A." 4
  343. .IX Item "A."
  344. Use in the Title Page (and on the covers, if any) a title distinct
  345. from that of the Document, and from those of previous versions
  346. (which should, if there were any, be listed in the History section
  347. of the Document). You may use the same title as a previous version
  348. if the original publisher of that version gives permission.
  349. .IP "B." 4
  350. .IX Item "B."
  351. List on the Title Page, as authors, one or more persons or entities
  352. responsible for authorship of the modifications in the Modified
  353. Version, together with at least five of the principal authors of the
  354. Document (all of its principal authors, if it has fewer than five),
  355. unless they release you from this requirement.
  356. .IP "C." 4
  357. .IX Item "C."
  358. State on the Title page the name of the publisher of the
  359. Modified Version, as the publisher.
  360. .IP "D." 4
  361. .IX Item "D."
  362. Preserve all the copyright notices of the Document.
  363. .IP "E." 4
  364. .IX Item "E."
  365. Add an appropriate copyright notice for your modifications
  366. adjacent to the other copyright notices.
  367. .IP "F." 4
  368. .IX Item "F."
  369. Include, immediately after the copyright notices, a license notice
  370. giving the public permission to use the Modified Version under the
  371. terms of this License, in the form shown in the Addendum below.
  372. .IP "G." 4
  373. .IX Item "G."
  374. Preserve in that license notice the full lists of Invariant Sections
  375. and required Cover Texts given in the Document's license notice.
  376. .IP "H." 4
  377. .IX Item "H."
  378. Include an unaltered copy of this License.
  379. .IP "I." 4
  380. .IX Item "I."
  381. Preserve the section Entitled \*(L"History\*(R", Preserve its Title, and add
  382. to it an item stating at least the title, year, new authors, and
  383. publisher of the Modified Version as given on the Title Page. If
  384. there is no section Entitled \*(L"History\*(R" in the Document, create one
  385. stating the title, year, authors, and publisher of the Document as
  386. given on its Title Page, then add an item describing the Modified
  387. Version as stated in the previous sentence.
  388. .IP "J." 4
  389. .IX Item "J."
  390. Preserve the network location, if any, given in the Document for
  391. public access to a Transparent copy of the Document, and likewise
  392. the network locations given in the Document for previous versions
  393. it was based on. These may be placed in the \*(L"History\*(R" section.
  394. You may omit a network location for a work that was published at
  395. least four years before the Document itself, or if the original
  396. publisher of the version it refers to gives permission.
  397. .IP "K." 4
  398. .IX Item "K."
  399. For any section Entitled \*(L"Acknowledgements\*(R" or \*(L"Dedications\*(R", Preserve
  400. the Title of the section, and preserve in the section all the
  401. substance and tone of each of the contributor acknowledgements and/or
  402. dedications given therein.
  403. .IP "L." 4
  404. .IX Item "L."
  405. Preserve all the Invariant Sections of the Document,
  406. unaltered in their text and in their titles. Section numbers
  407. or the equivalent are not considered part of the section titles.
  408. .IP "M." 4
  409. .IX Item "M."
  410. Delete any section Entitled \*(L"Endorsements\*(R". Such a section
  411. may not be included in the Modified Version.
  412. .IP "N." 4
  413. .IX Item "N."
  414. Do not retitle any existing section to be Entitled \*(L"Endorsements\*(R" or
  415. to conflict in title with any Invariant Section.
  416. .IP "O." 4
  417. .IX Item "O."
  418. Preserve any Warranty Disclaimers.
  419. .RE
  420. .RS 4
  421. .Sp
  422. If the Modified Version includes new front-matter sections or
  423. appendices that qualify as Secondary Sections and contain no material
  424. copied from the Document, you may at your option designate some or all
  425. of these sections as invariant. To do this, add their titles to the
  426. list of Invariant Sections in the Modified Version's license notice.
  427. These titles must be distinct from any other section titles.
  428. .Sp
  429. You may add a section Entitled \*(L"Endorsements\*(R", provided it contains
  430. nothing but endorsements of your Modified Version by various
  431. parties\-\-\-for example, statements of peer review or that the text has
  432. been approved by an organization as the authoritative definition of a
  433. standard.
  434. .Sp
  435. You may add a passage of up to five words as a Front-Cover Text, and a
  436. passage of up to 25 words as a Back-Cover Text, to the end of the list
  437. of Cover Texts in the Modified Version. Only one passage of
  438. Front-Cover Text and one of Back-Cover Text may be added by (or
  439. through arrangements made by) any one entity. If the Document already
  440. includes a cover text for the same cover, previously added by you or
  441. by arrangement made by the same entity you are acting on behalf of,
  442. you may not add another; but you may replace the old one, on explicit
  443. permission from the previous publisher that added the old one.
  444. .Sp
  445. The author(s) and publisher(s) of the Document do not by this License
  446. give permission to use their names for publicity for or to assert or
  447. imply endorsement of any Modified Version.
  448. .RE
  449. .IP "5." 4
  450. .IX Item "5."
  451. \&\s-1COMBINING DOCUMENTS\s0
  452. .Sp
  453. You may combine the Document with other documents released under this
  454. License, under the terms defined in section 4 above for modified
  455. versions, provided that you include in the combination all of the
  456. Invariant Sections of all of the original documents, unmodified, and
  457. list them all as Invariant Sections of your combined work in its
  458. license notice, and that you preserve all their Warranty Disclaimers.
  459. .Sp
  460. The combined work need only contain one copy of this License, and
  461. multiple identical Invariant Sections may be replaced with a single
  462. copy. If there are multiple Invariant Sections with the same name but
  463. different contents, make the title of each such section unique by
  464. adding at the end of it, in parentheses, the name of the original
  465. author or publisher of that section if known, or else a unique number.
  466. Make the same adjustment to the section titles in the list of
  467. Invariant Sections in the license notice of the combined work.
  468. .Sp
  469. In the combination, you must combine any sections Entitled \*(L"History\*(R"
  470. in the various original documents, forming one section Entitled
  471. \&\*(L"History\*(R"; likewise combine any sections Entitled \*(L"Acknowledgements\*(R",
  472. and any sections Entitled \*(L"Dedications\*(R". You must delete all
  473. sections Entitled \*(L"Endorsements.\*(R"
  474. .IP "6." 4
  475. .IX Item "6."
  476. \&\s-1COLLECTIONS OF DOCUMENTS\s0
  477. .Sp
  478. You may make a collection consisting of the Document and other documents
  479. released under this License, and replace the individual copies of this
  480. License in the various documents with a single copy that is included in
  481. the collection, provided that you follow the rules of this License for
  482. verbatim copying of each of the documents in all other respects.
  483. .Sp
  484. You may extract a single document from such a collection, and distribute
  485. it individually under this License, provided you insert a copy of this
  486. License into the extracted document, and follow this License in all
  487. other respects regarding verbatim copying of that document.
  488. .IP "7." 4
  489. .IX Item "7."
  490. \&\s-1AGGREGATION WITH INDEPENDENT WORKS\s0
  491. .Sp
  492. A compilation of the Document or its derivatives with other separate
  493. and independent documents or works, in or on a volume of a storage or
  494. distribution medium, is called an \*(L"aggregate\*(R" if the copyright
  495. resulting from the compilation is not used to limit the legal rights
  496. of the compilation's users beyond what the individual works permit.
  497. When the Document is included in an aggregate, this License does not
  498. apply to the other works in the aggregate which are not themselves
  499. derivative works of the Document.
  500. .Sp
  501. If the Cover Text requirement of section 3 is applicable to these
  502. copies of the Document, then if the Document is less than one half of
  503. the entire aggregate, the Document's Cover Texts may be placed on
  504. covers that bracket the Document within the aggregate, or the
  505. electronic equivalent of covers if the Document is in electronic form.
  506. Otherwise they must appear on printed covers that bracket the whole
  507. aggregate.
  508. .IP "8." 4
  509. .IX Item "8."
  510. \&\s-1TRANSLATION\s0
  511. .Sp
  512. Translation is considered a kind of modification, so you may
  513. distribute translations of the Document under the terms of section 4.
  514. Replacing Invariant Sections with translations requires special
  515. permission from their copyright holders, but you may include
  516. translations of some or all Invariant Sections in addition to the
  517. original versions of these Invariant Sections. You may include a
  518. translation of this License, and all the license notices in the
  519. Document, and any Warranty Disclaimers, provided that you also include
  520. the original English version of this License and the original versions
  521. of those notices and disclaimers. In case of a disagreement between
  522. the translation and the original version of this License or a notice
  523. or disclaimer, the original version will prevail.
  524. .Sp
  525. If a section in the Document is Entitled \*(L"Acknowledgements\*(R",
  526. \&\*(L"Dedications\*(R", or \*(L"History\*(R", the requirement (section 4) to Preserve
  527. its Title (section 1) will typically require changing the actual
  528. title.
  529. .IP "9." 4
  530. .IX Item "9."
  531. \&\s-1TERMINATION\s0
  532. .Sp
  533. You may not copy, modify, sublicense, or distribute the Document
  534. except as expressly provided under this License. Any attempt
  535. otherwise to copy, modify, sublicense, or distribute it is void, and
  536. will automatically terminate your rights under this License.
  537. .Sp
  538. However, if you cease all violation of this License, then your license
  539. from a particular copyright holder is reinstated (a) provisionally,
  540. unless and until the copyright holder explicitly and finally
  541. terminates your license, and (b) permanently, if the copyright holder
  542. fails to notify you of the violation by some reasonable means prior to
  543. 60 days after the cessation.
  544. .Sp
  545. Moreover, your license from a particular copyright holder is
  546. reinstated permanently if the copyright holder notifies you of the
  547. violation by some reasonable means, this is the first time you have
  548. received notice of violation of this License (for any work) from that
  549. copyright holder, and you cure the violation prior to 30 days after
  550. your receipt of the notice.
  551. .Sp
  552. Termination of your rights under this section does not terminate the
  553. licenses of parties who have received copies or rights from you under
  554. this License. If your rights have been terminated and not permanently
  555. reinstated, receipt of a copy of some or all of the same material does
  556. not give you any rights to use it.
  557. .IP "10." 4
  558. .IX Item "10."
  559. \&\s-1FUTURE REVISIONS OF THIS LICENSE\s0
  560. .Sp
  561. The Free Software Foundation may publish new, revised versions
  562. of the \s-1GNU\s0 Free Documentation License from time to time. Such new
  563. versions will be similar in spirit to the present version, but may
  564. differ in detail to address new problems or concerns. See
  565. <\fBhttp://www.gnu.org/copyleft/\fR>.
  566. .Sp
  567. Each version of the License is given a distinguishing version number.
  568. If the Document specifies that a particular numbered version of this
  569. License \*(L"or any later version\*(R" applies to it, you have the option of
  570. following the terms and conditions either of that specified version or
  571. of any later version that has been published (not as a draft) by the
  572. Free Software Foundation. If the Document does not specify a version
  573. number of this License, you may choose any version ever published (not
  574. as a draft) by the Free Software Foundation. If the Document
  575. specifies that a proxy can decide which future versions of this
  576. License can be used, that proxy's public statement of acceptance of a
  577. version permanently authorizes you to choose that version for the
  578. Document.
  579. .IP "11." 4
  580. .IX Item "11."
  581. \&\s-1RELICENSING\s0
  582. .Sp
  583. \&\*(L"Massive Multiauthor Collaboration Site\*(R" (or \*(L"\s-1MMC\s0 Site\*(R") means any
  584. World Wide Web server that publishes copyrightable works and also
  585. provides prominent facilities for anybody to edit those works. A
  586. public wiki that anybody can edit is an example of such a server. A
  587. \&\*(L"Massive Multiauthor Collaboration\*(R" (or \*(L"\s-1MMC\*(R"\s0) contained in the
  588. site means any set of copyrightable works thus published on the \s-1MMC\s0
  589. site.
  590. .Sp
  591. \&\*(L"CC-BY-SA\*(R" means the Creative Commons Attribution-Share Alike 3.0
  592. license published by Creative Commons Corporation, a not-for-profit
  593. corporation with a principal place of business in San Francisco,
  594. California, as well as future copyleft versions of that license
  595. published by that same organization.
  596. .Sp
  597. \&\*(L"Incorporate\*(R" means to publish or republish a Document, in whole or
  598. in part, as part of another Document.
  599. .Sp
  600. An \s-1MMC\s0 is \*(L"eligible for relicensing\*(R" if it is licensed under this
  601. License, and if all works that were first published under this License
  602. somewhere other than this \s-1MMC,\s0 and subsequently incorporated in whole
  603. or in part into the \s-1MMC, \\fIs0\fR\|(1) had no cover texts or invariant sections,
  604. and (2) were thus incorporated prior to November 1, 2008.
  605. .Sp
  606. The operator of an \s-1MMC\s0 Site may republish an \s-1MMC\s0 contained in the site
  607. under CC-BY-SA on the same site at any time before August 1, 2009,
  608. provided the \s-1MMC\s0 is eligible for relicensing.
  609. .SS "\s-1ADDENDUM:\s0 How to use this License for your documents"
  610. .IX Subsection "ADDENDUM: How to use this License for your documents"
  611. To use this License in a document you have written, include a copy of
  612. the License in the document and put the following copyright and
  613. license notices just after the title page:
  614. .PP
  615. .Vb 7
  616. \& Copyright (C) <year> <your name>.
  617. \& Permission is granted to copy, distribute and/or modify this document
  618. \& under the terms of the GNU Free Documentation License, Version 1.3
  619. \& or any later version published by the Free Software Foundation;
  620. \& with no Invariant Sections, no Front\-Cover Texts, and no Back\-Cover
  621. \& Texts. A copy of the license is included in the section entitled "GNU
  622. \& Free Documentation License".
  623. .Ve
  624. .PP
  625. If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
  626. replace the \*(L"with...Texts.\*(R" line with this:
  627. .PP
  628. .Vb 3
  629. \& with the Invariant Sections being <list their titles>, with
  630. \& the Front\-Cover Texts being <list>, and with the Back\-Cover Texts
  631. \& being <list>.
  632. .Ve
  633. .PP
  634. If you have Invariant Sections without Cover Texts, or some other
  635. combination of the three, merge those two alternatives to suit the
  636. situation.
  637. .PP
  638. If your document contains nontrivial examples of program code, we
  639. recommend releasing these examples in parallel under your choice of
  640. free software license, such as the \s-1GNU\s0 General Public License,
  641. to permit their use in free software.
  642. .SH "SEE ALSO"
  643. .IX Header "SEE ALSO"
  644. \&\fIgpl\fR\|(7), \fIfsf\-funding\fR\|(7).
  645. .SH "COPYRIGHT"
  646. .IX Header "COPYRIGHT"
  647. Copyright (c) 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
  648. <\fBhttp://fsf.org/\fR>
  649. .PP
  650. Everyone is permitted to copy and distribute verbatim copies
  651. of this license document, but changing it is not allowed.