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  15. <H2><A NAME="s18">18.</A> <A HREF="sylpheed.html#toc18">GNU Free Documentation License</A></H2>
  16. <H2><A NAME="gfdl"></A> <A NAME="ss18.1">18.1</A> <A HREF="sylpheed.html#toc18.1">GNU Free Documentation License</A>
  17. </H2>
  18. <P>Version 1.1, March 2000</P>
  19. <P>
  20. <PRE>
  21. Copyright (C) 2000 Free Software Foundation, Inc.
  22. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  23. Everyone is permitted to copy and distribute verbatim copies
  24. of this license document, but changing it is not allowed.
  25. </PRE>
  26. </P>
  27. <P><B>0. PREAMBLE</B></P>
  28. <P>The purpose of this License is to make a manual, textbook, or other
  29. written document "free" in the sense of freedom: to assure everyone
  30. the effective freedom to copy and redistribute it, with or without
  31. modifying it, either commercially or noncommercially. Secondarily,
  32. this License preserves for the author and publisher a way to get
  33. credit for their work, while not being considered responsible for
  34. modifications made by others.</P>
  35. <P>This License is a kind of "copyleft", which means that derivative
  36. works of the document must themselves be free in the same sense. It
  37. complements the GNU General Public License, which is a copyleft
  38. license designed for free software.</P>
  39. <P>We have designed this License in order to use it for manuals for free
  40. software, because free software needs free documentation: a free
  41. program should come with manuals providing the same freedoms that the
  42. software does. But this License is not limited to software manuals;
  43. it can be used for any textual work, regardless of subject matter or
  44. whether it is published as a printed book. We recommend this License
  45. principally for works whose purpose is instruction or reference.</P>
  46. <P><B>1. APPLICABILITY AND DEFINITIONS</B></P>
  47. <P>This License applies to any manual or other work that contains a
  48. notice placed by the copyright holder saying it can be distributed
  49. under the terms of this License. The "Document", below, refers to any
  50. such manual or work. Any member of the public is a licensee, and is
  51. addressed as "you".</P>
  52. <P>A "Modified Version" of the Document means any work containing the
  53. Document or a portion of it, either copied verbatim, or with
  54. modifications and/or translated into another language.</P>
  55. <P>A "Secondary Section" is a named appendix or a front-matter section of
  56. the Document that deals exclusively with the relationship of the
  57. publishers or authors of the Document to the Document's overall subject
  58. (or to related matters) and contains nothing that could fall directly
  59. within that overall subject. (For example, if the Document is in part a
  60. textbook of mathematics, a Secondary Section may not explain any
  61. mathematics.) The relationship could be a matter of historical
  62. connection with the subject or with related matters, or of legal,
  63. commercial, philosophical, ethical or political position regarding
  64. them.</P>
  65. <P>The "Invariant Sections" are certain Secondary Sections whose titles
  66. are designated, as being those of Invariant Sections, in the notice
  67. that says that the Document is released under this License.</P>
  68. <P>The "Cover Texts" are certain short passages of text that are listed,
  69. as Front-Cover Texts or Back-Cover Texts, in the notice that says that
  70. the Document is released under this License.</P>
  71. <P>A "Transparent" copy of the Document means a machine-readable copy,
  72. represented in a format whose specification is available to the
  73. general public, whose contents can be viewed and edited directly and
  74. straightforwardly with generic text editors or (for images composed of
  75. pixels) generic paint programs or (for drawings) some widely available
  76. drawing editor, and that is suitable for input to text formatters or
  77. for automatic translation to a variety of formats suitable for input
  78. to text formatters. A copy made in an otherwise Transparent file
  79. format whose markup has been designed to thwart or discourage
  80. subsequent modification by readers is not Transparent. A copy that is
  81. not "Transparent" is called "Opaque".</P>
  82. <P>Examples of suitable formats for Transparent copies include plain
  83. ASCII without markup, Texinfo input format, LaTeX input format, SGML
  84. or XML using a publicly available DTD, and standard-conforming simple
  85. HTML designed for human modification. Opaque formats include
  86. PostScript, PDF, proprietary formats that can be read and edited only
  87. by proprietary word processors, SGML or XML for which the DTD and/or
  88. processing tools are not generally available, and the
  89. machine-generated HTML produced by some word processors for output
  90. purposes only.</P>
  91. <P>The "Title Page" means, for a printed book, the title page itself,
  92. plus such following pages as are needed to hold, legibly, the material
  93. this License requires to appear in the title page. For works in
  94. formats which do not have any title page as such, "Title Page" means
  95. the text near the most prominent appearance of the work's title,
  96. preceding the beginning of the body of the text.</P>
  97. <P><B>2. VERBATIM COPYING</B></P>
  98. <P>You may copy and distribute the Document in any medium, either
  99. commercially or noncommercially, provided that this License, the
  100. copyright notices, and the license notice saying this License applies
  101. to the Document are reproduced in all copies, and that you add no other
  102. conditions whatsoever to those of this License. You may not use
  103. technical measures to obstruct or control the reading or further
  104. copying of the copies you make or distribute. However, you may accept
  105. compensation in exchange for copies. If you distribute a large enough
  106. number of copies you must also follow the conditions in section 3.</P>
  107. <P>You may also lend copies, under the same conditions stated above, and
  108. you may publicly display copies.</P>
  109. <P><B>3. COPYING IN QUANTITY</B></P>
  110. <P>If you publish printed copies of the Document numbering more than 100,
  111. and the Document's license notice requires Cover Texts, you must enclose
  112. the copies in covers that carry, clearly and legibly, all these Cover
  113. Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on
  114. the back cover. Both covers must also clearly and legibly identify
  115. you as the publisher of these copies. The front cover must present
  116. the full title with all words of the title equally prominent and
  117. visible. You may add other material on the covers in addition.
  118. Copying with changes limited to the covers, as long as they preserve
  119. the title of the Document and satisfy these conditions, can be treated
  120. as verbatim copying in other respects.</P>
  121. <P>If the required texts for either cover are too voluminous to fit
  122. legibly, you should put the first ones listed (as many as fit
  123. reasonably) on the actual cover, and continue the rest onto adjacent
  124. pages.</P>
  125. <P>If you publish or distribute Opaque copies of the Document numbering
  126. more than 100, you must either include a machine-readable Transparent
  127. copy along with each Opaque copy, or state in or with each Opaque copy
  128. a publicly-accessible computer-network location containing a complete
  129. Transparent copy of the Document, free of added material, which the
  130. general network-using public has access to download anonymously at no
  131. charge using public-standard network protocols. If you use the latter
  132. option, you must take reasonably prudent steps, when you begin
  133. distribution of Opaque copies in quantity, to ensure that this
  134. Transparent copy will remain thus accessible at the stated location
  135. until at least one year after the last time you distribute an Opaque
  136. copy (directly or through your agents or retailers) of that edition to
  137. the public.</P>
  138. <P>It is requested, but not required, that you contact the authors of the
  139. Document well before redistributing any large number of copies, to give
  140. them a chance to provide you with an updated version of the Document.</P>
  141. <P><B>4. MODIFICATIONS</B></P>
  142. <P>You may copy and distribute a Modified Version of the Document under
  143. the conditions of sections 2 and 3 above, provided that you release
  144. the Modified Version under precisely this License, with the Modified
  145. Version filling the role of the Document, thus licensing distribution
  146. and modification of the Modified Version to whoever possesses a copy
  147. of it. In addition, you must do these things in the Modified Version:</P>
  148. <P>
  149. <UL>
  150. <LI><B>A.</B> Use in the Title Page (and on the covers, if any) a title distinct
  151. from that of the Document, and from those of previous versions
  152. (which should, if there were any, be listed in the History section
  153. of the Document). You may use the same title as a previous version
  154. if the original publisher of that version gives permission.</LI>
  155. <LI><B>B.</B> List on the Title Page, as authors, one or more persons or entities
  156. responsible for authorship of the modifications in the Modified
  157. Version, together with at least five of the principal authors of the
  158. Document (all of its principal authors, if it has less than five).</LI>
  159. <LI><B>C.</B> State on the Title page the name of the publisher of the
  160. Modified Version, as the publisher.
  161. </LI>
  162. <LI><B>D.</B> Preserve all the copyright notices of the Document.</LI>
  163. <LI><B>E.</B> Add an appropriate copyright notice for your modifications
  164. adjacent to the other copyright notices.</LI>
  165. <LI><B>F.</B> Include, immediately after the copyright notices, a license notice
  166. giving the public permission to use the Modified Version under the
  167. terms of this License, in the form shown in the Addendum below.</LI>
  168. <LI><B>G.</B> Preserve in that license notice the full lists of Invariant Sections
  169. and required Cover Texts given in the Document's license notice.</LI>
  170. <LI><B>H.</B> Include an unaltered copy of this License.</LI>
  171. <LI><B>I.</B> Preserve the section entitled "History", and its title, and add to
  172. it an item stating at least the title, year, new authors, and
  173. publisher of the Modified Version as given on the Title Page. If
  174. there is no section entitled "History" in the Document, create one
  175. stating the title, year, authors, and publisher of the Document as
  176. given on its Title Page, then add an item describing the Modified
  177. Version as stated in the previous sentence.
  178. </LI>
  179. <LI><B>J.</B> Preserve the network location, if any, given in the Document for
  180. public access to a Transparent copy of the Document, and likewise
  181. the network locations given in the Document for previous versions
  182. it was based on. These may be placed in the "History" section.
  183. You may omit a network location for a work that was published at
  184. least four years before the Document itself, or if the original
  185. publisher of the version it refers to gives permission.</LI>
  186. <LI><B>K.</B> In any section entitled "Acknowledgements" or "Dedications",
  187. preserve the section's title, and preserve in the section all the
  188. substance and tone of each of the contributor acknowledgements
  189. and/or dedications given therein.</LI>
  190. <LI><B>L.</B> Preserve all the Invariant Sections of the Document,
  191. unaltered in their text and in their titles. Section numbers
  192. or the equivalent are not considered part of the section titles.</LI>
  193. <LI><B>M.</B> Delete any section entitled "Endorsements". Such a section
  194. may not be included in the Modified Version.</LI>
  195. <LI><B>N.</B> Do not retitle any existing section as "Endorsements"
  196. or to conflict in title with any Invariant Section.</LI>
  197. </UL>
  198. </P>
  199. <P>If the Modified Version includes new front-matter sections or
  200. appendices that qualify as Secondary Sections and contain no material
  201. copied from the Document, you may at your option designate some or all
  202. of these sections as invariant. To do this, add their titles to the
  203. list of Invariant Sections in the Modified Version's license notice.
  204. These titles must be distinct from any other section titles.</P>
  205. <P>You may add a section entitled "Endorsements", provided it contains
  206. nothing but endorsements of your Modified Version by various
  207. parties--for example, statements of peer review or that the text has
  208. been approved by an organization as the authoritative definition of a
  209. standard.</P>
  210. <P>You may add a passage of up to five words as a Front-Cover Text, and a
  211. passage of up to 25 words as a Back-Cover Text, to the end of the list
  212. of Cover Texts in the Modified Version. Only one passage of
  213. Front-Cover Text and one of Back-Cover Text may be added by (or
  214. through arrangements made by) any one entity. If the Document already
  215. includes a cover text for the same cover, previously added by you or
  216. by arrangement made by the same entity you are acting on behalf of,
  217. you may not add another; but you may replace the old one, on explicit
  218. permission from the previous publisher that added the old one.</P>
  219. <P>The author(s) and publisher(s) of the Document do not by this License
  220. give permission to use their names for publicity for or to assert or
  221. imply endorsement of any Modified Version.</P>
  222. <P><B>5. COMBINING DOCUMENTS</B></P>
  223. <P>You may combine the Document with other documents released under this
  224. License, under the terms defined in section 4 above for modified
  225. versions, provided that you include in the combination all of the
  226. Invariant Sections of all of the original documents, unmodified, and
  227. list them all as Invariant Sections of your combined work in its
  228. license notice.</P>
  229. <P>The combined work need only contain one copy of this License, and
  230. multiple identical Invariant Sections may be replaced with a single
  231. copy. If there are multiple Invariant Sections with the same name but
  232. different contents, make the title of each such section unique by
  233. adding at the end of it, in parentheses, the name of the original
  234. author or publisher of that section if known, or else a unique number.
  235. Make the same adjustment to the section titles in the list of
  236. Invariant Sections in the license notice of the combined work.</P>
  237. <P>In the combination, you must combine any sections entitled "History"
  238. in the various original documents, forming one section entitled
  239. "History"; likewise combine any sections entitled "Acknowledgements",
  240. and any sections entitled "Dedications". You must delete all sections
  241. entitled "Endorsements."</P>
  242. <P><B>6. COLLECTIONS OF DOCUMENTS</B></P>
  243. <P>You may make a collection consisting of the Document and other documents
  244. released under this License, and replace the individual copies of this
  245. License in the various documents with a single copy that is included in
  246. the collection, provided that you follow the rules of this License for
  247. verbatim copying of each of the documents in all other respects.</P>
  248. <P>You may extract a single document from such a collection, and distribute
  249. it individually under this License, provided you insert a copy of this
  250. License into the extracted document, and follow this License in all
  251. other respects regarding verbatim copying of that document.</P>
  252. <P><B>7. AGGREGATION WITH INDEPENDENT WORKS</B></P>
  253. <P>A compilation of the Document or its derivatives with other separate
  254. and independent documents or works, in or on a volume of a storage or
  255. distribution medium, does not as a whole count as a Modified Version
  256. of the Document, provided no compilation copyright is claimed for the
  257. compilation. Such a compilation is called an "aggregate", and this
  258. License does not apply to the other self-contained works thus compiled
  259. with the Document, on account of their being thus compiled, if they
  260. are not themselves derivative works of the Document.</P>
  261. <P>If the Cover Text requirement of section 3 is applicable to these
  262. copies of the Document, then if the Document is less than one quarter
  263. of the entire aggregate, the Document's Cover Texts may be placed on
  264. covers that surround only the Document within the aggregate.
  265. Otherwise they must appear on covers around the whole aggregate.</P>
  266. <P><B>8. TRANSLATION</B></P>
  267. <P>Translation is considered a kind of modification, so you may
  268. distribute translations of the Document under the terms of section 4.
  269. Replacing Invariant Sections with translations requires special
  270. permission from their copyright holders, but you may include
  271. translations of some or all Invariant Sections in addition to the
  272. original versions of these Invariant Sections. You may include a
  273. translation of this License provided that you also include the
  274. original English version of this License. In case of a disagreement
  275. between the translation and the original English version of this
  276. License, the original English version will prevail.</P>
  277. <P><B>9. TERMINATION</B></P>
  278. <P>You may not copy, modify, sublicense, or distribute the Document except
  279. as expressly provided for under this License. Any other attempt to
  280. copy, modify, sublicense or distribute the Document is void, and will
  281. automatically terminate your rights under this License. However,
  282. parties who have received copies, or rights, from you under this
  283. License will not have their licenses terminated so long as such
  284. parties remain in full compliance.</P>
  285. <P><B>10. FUTURE REVISIONS OF THIS LICENSE</B></P>
  286. <P>The Free Software Foundation may publish new, revised versions
  287. of the GNU Free Documentation License from time to time. Such new
  288. versions will be similar in spirit to the present version, but may
  289. differ in detail to address new problems or concerns. See
  290. http://www.gnu.org/copyleft/.</P>
  291. <P>Each version of the License is given a distinguishing version number.
  292. If the Document specifies that a particular numbered version of this
  293. License "or any later version" applies to it, you have the option of
  294. following the terms and conditions either of that specified version or
  295. of any later version that has been published (not as a draft) by the
  296. Free Software Foundation. If the Document does not specify a version
  297. number of this License, you may choose any version ever published (not
  298. as a draft) by the Free Software Foundation.</P>
  299. <H2><A NAME="ss18.2">18.2</A> <A HREF="sylpheed.html#toc18.2">How to use this License for your documents</A>
  300. </H2>
  301. <P>To use this License in a document you have written, include a copy of
  302. the License in the document and put the following copyright and
  303. license notices just after the title page:</P>
  304. <P>
  305. <PRE>
  306. Copyright (c) YEAR YOUR NAME.
  307. Permission is granted to copy, distribute and/or modify this document
  308. under the terms of the GNU Free Documentation License, Version 1.1
  309. or any later version published by the Free Software Foundation;
  310. with the Invariant Sections being LIST THEIR TITLES, with the
  311. Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.
  312. A copy of the license is included in the section entitled "GNU
  313. Free Documentation License".
  314. </PRE>
  315. </P>
  316. <P>If you have no Invariant Sections, write "with no Invariant Sections"
  317. instead of saying which ones are invariant. If you have no
  318. Front-Cover Texts, write "no Front-Cover Texts" instead of
  319. "Front-Cover Texts being LIST"; likewise for Back-Cover Texts.</P>
  320. <P>If your document contains nontrivial examples of program code, we
  321. recommend releasing these examples in parallel under your choice of
  322. free software license, such as the GNU General Public License,
  323. to permit their use in free software.</P>
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