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1 | The program GNU Go is distributed under the terms of the |
2 | GNU General Public License (GPL). Its documentation is | |
3 | distributed under the terms of the GNU Free Documentation | |
4 | License (GFDL). | |
5 | ||
6 | @menu | |
7 | * GPL:: The GNU General Public License | |
8 | * GFDL:: The GNU Free Documentation License | |
9 | * GTP License:: The Go Text Protocol License | |
10 | @end menu | |
11 | ||
12 | @node GPL, GFDL, Copying, Copying | |
13 | @cindex licence, program (GPL) | |
14 | ||
15 | @section GNU GENERAL PUBLIC LICENSE | |
16 | @center Version 3, 29 June 2007 | |
17 | ||
18 | @display | |
19 | Copyright @copyright{} 2007 Free Software Foundation, Inc. <http://fsf.org/> | |
20 | Everyone is permitted to copy and distribute verbatim copies | |
21 | of this license document, but changing it is not allowed. | |
22 | @end display | |
23 | ||
24 | @unnumberedsec Preamble | |
25 | ||
26 | The GNU General Public License is a free, copyleft license for | |
27 | software and other kinds of works. | |
28 | ||
29 | The licenses for most software and other practical works are designed | |
30 | to take away your freedom to share and change the works. By contrast, | |
31 | the GNU General Public License is intended to guarantee your freedom to | |
32 | share and change all versions of a program--to make sure it remains free | |
33 | software for all its users. We, the Free Software Foundation, use the | |
34 | GNU General Public License for most of our software; it applies also to | |
35 | any other work released this way by its authors. You can apply it to | |
36 | your programs, too. | |
37 | ||
38 | When we speak of free software, we are referring to freedom, not | |
39 | price. Our General Public Licenses are designed to make sure that you | |
40 | have the freedom to distribute copies of free software (and charge for | |
41 | them if you wish), that you receive source code or can get it if you | |
42 | want it, that you can change the software or use pieces of it in new | |
43 | free programs, and that you know you can do these things. | |
44 | ||
45 | To protect your rights, we need to prevent others from denying you | |
46 | these rights or asking you to surrender the rights. Therefore, you have | |
47 | certain responsibilities if you distribute copies of the software, or if | |
48 | you modify it: responsibilities to respect the freedom of others. | |
49 | ||
50 | For example, if you distribute copies of such a program, whether | |
51 | gratis or for a fee, you must pass on to the recipients the same | |
52 | freedoms that you received. You must make sure that they, too, receive | |
53 | or can get the source code. And you must show them these terms so they | |
54 | know their rights. | |
55 | ||
56 | Developers that use the GNU GPL protect your rights with two steps: | |
57 | (1) assert copyright on the software, and (2) offer you this License | |
58 | giving you legal permission to copy, distribute and/or modify it. | |
59 | ||
60 | For the developers' and authors' protection, the GPL clearly explains | |
61 | that there is no warranty for this free software. For both users' and | |
62 | authors' sake, the GPL requires that modified versions be marked as | |
63 | changed, so that their problems will not be attributed erroneously to | |
64 | authors of previous versions. | |
65 | ||
66 | Some devices are designed to deny users access to install or run | |
67 | modified versions of the software inside them, although the manufacturer | |
68 | can do so. This is fundamentally incompatible with the aim of | |
69 | protecting users' freedom to change the software. The systematic | |
70 | pattern of such abuse occurs in the area of products for individuals to | |
71 | use, which is precisely where it is most unacceptable. Therefore, we | |
72 | have designed this version of the GPL to prohibit the practice for those | |
73 | products. If such problems arise substantially in other domains, we | |
74 | stand ready to extend this provision to those domains in future versions | |
75 | of the GPL, as needed to protect the freedom of users. | |
76 | ||
77 | Finally, every program is threatened constantly by software patents. | |
78 | States should not allow patents to restrict development and use of | |
79 | software on general-purpose computers, but in those that do, we wish to | |
80 | avoid the special danger that patents applied to a free program could | |
81 | make it effectively proprietary. To prevent this, the GPL assures that | |
82 | patents cannot be used to render the program non-free. | |
83 | ||
84 | The precise terms and conditions for copying, distribution and | |
85 | modification follow. | |
86 | ||
87 | @iftex | |
88 | @unnumberedsec TERMS AND CONDITIONS | |
89 | @end iftex | |
90 | @ifinfo | |
91 | @center TERMS AND CONDITIONS | |
92 | @end ifinfo | |
93 | ||
94 | @enumerate 0 | |
95 | @item | |
96 | DEFINITIONS | |
97 | ||
98 | "This License" refers to version 3 of the GNU General Public License. | |
99 | ||
100 | "Copyright" also means copyright-like laws that apply to other kinds of | |
101 | works, such as semiconductor masks. | |
102 | ||
103 | "The Program" refers to any copyrightable work licensed under this | |
104 | License. Each licensee is addressed as "you". "Licensees" and | |
105 | "recipients" may be individuals or organizations. | |
106 | ||
107 | To "modify" a work means to copy from or adapt all or part of the work | |
108 | in a fashion requiring copyright permission, other than the making of an | |
109 | exact copy. The resulting work is called a "modified version" of the | |
110 | earlier work or a work "based on" the earlier work. | |
111 | ||
112 | A "covered work" means either the unmodified Program or a work based | |
113 | on the Program. | |
114 | ||
115 | To "propagate" a work means to do anything with it that, without | |
116 | permission, would make you directly or secondarily liable for | |
117 | infringement under applicable copyright law, except executing it on a | |
118 | computer or modifying a private copy. Propagation includes copying, | |
119 | distribution (with or without modification), making available to the | |
120 | public, and in some countries other activities as well. | |
121 | ||
122 | To "convey" a work means any kind of propagation that enables other | |
123 | parties to make or receive copies. Mere interaction with a user through | |
124 | a computer network, with no transfer of a copy, is not conveying. | |
125 | ||
126 | An interactive user interface displays "Appropriate Legal Notices" | |
127 | to the extent that it includes a convenient and prominently visible | |
128 | feature that (1) displays an appropriate copyright notice, and (2) | |
129 | tells the user that there is no warranty for the work (except to the | |
130 | extent that warranties are provided), that licensees may convey the | |
131 | work under this License, and how to view a copy of this License. If | |
132 | the interface presents a list of user commands or options, such as a | |
133 | menu, a prominent item in the list meets this criterion. | |
134 | ||
135 | @sp 1 | |
136 | @item | |
137 | SOURCE CODE | |
138 | ||
139 | The "source code" for a work means the preferred form of the work | |
140 | for making modifications to it. "Object code" means any non-source | |
141 | form of a work. | |
142 | ||
143 | A "Standard Interface" means an interface that either is an official | |
144 | standard defined by a recognized standards body, or, in the case of | |
145 | interfaces specified for a particular programming language, one that | |
146 | is widely used among developers working in that language. | |
147 | ||
148 | The "System Libraries" of an executable work include anything, other | |
149 | than the work as a whole, that (a) is included in the normal form of | |
150 | packaging a Major Component, but which is not part of that Major | |
151 | Component, and (b) serves only to enable use of the work with that | |
152 | Major Component, or to implement a Standard Interface for which an | |
153 | implementation is available to the public in source code form. A | |
154 | "Major Component", in this context, means a major essential component | |
155 | (kernel, window system, and so on) of the specific operating system | |
156 | (if any) on which the executable work runs, or a compiler used to | |
157 | produce the work, or an object code interpreter used to run it. | |
158 | ||
159 | The "Corresponding Source" for a work in object code form means all | |
160 | the source code needed to generate, install, and (for an executable | |
161 | work) run the object code and to modify the work, including scripts to | |
162 | control those activities. However, it does not include the work's | |
163 | System Libraries, or general-purpose tools or generally available free | |
164 | programs which are used unmodified in performing those activities but | |
165 | which are not part of the work. For example, Corresponding Source | |
166 | includes interface definition files associated with source files for | |
167 | the work, and the source code for shared libraries and dynamically | |
168 | linked subprograms that the work is specifically designed to require, | |
169 | such as by intimate data communication or control flow between those | |
170 | subprograms and other parts of the work. | |
171 | ||
172 | The Corresponding Source need not include anything that users | |
173 | can regenerate automatically from other parts of the Corresponding | |
174 | Source. | |
175 | ||
176 | The Corresponding Source for a work in source code form is that | |
177 | same work. | |
178 | ||
179 | @sp 1 | |
180 | @item | |
181 | BASIC PERMISSIONS | |
182 | ||
183 | All rights granted under this License are granted for the term of | |
184 | copyright on the Program, and are irrevocable provided the stated | |
185 | conditions are met. This License explicitly affirms your unlimited | |
186 | permission to run the unmodified Program. The output from running a | |
187 | covered work is covered by this License only if the output, given its | |
188 | content, constitutes a covered work. This License acknowledges your | |
189 | rights of fair use or other equivalent, as provided by copyright law. | |
190 | ||
191 | You may make, run and propagate covered works that you do not | |
192 | convey, without conditions so long as your license otherwise remains | |
193 | in force. You may convey covered works to others for the sole purpose | |
194 | of having them make modifications exclusively for you, or provide you | |
195 | with facilities for running those works, provided that you comply with | |
196 | the terms of this License in conveying all material for which you do | |
197 | not control copyright. Those thus making or running the covered works | |
198 | for you must do so exclusively on your behalf, under your direction | |
199 | and control, on terms that prohibit them from making any copies of | |
200 | your copyrighted material outside their relationship with you. | |
201 | ||
202 | Conveying under any other circumstances is permitted solely under | |
203 | the conditions stated below. Sublicensing is not allowed; section 10 | |
204 | makes it unnecessary. | |
205 | ||
206 | @sp 1 | |
207 | @item | |
208 | PROTECTING USERS' LEGAL RIGHTS FROM ANTI-CIRCUMVENTION LAW | |
209 | ||
210 | No covered work shall be deemed part of an effective technological | |
211 | measure under any applicable law fulfilling obligations under article | |
212 | 11 of the WIPO copyright treaty adopted on 20 December 1996, or | |
213 | similar laws prohibiting or restricting circumvention of such | |
214 | measures. | |
215 | ||
216 | When you convey a covered work, you waive any legal power to forbid | |
217 | circumvention of technological measures to the extent such circumvention | |
218 | is effected by exercising rights under this License with respect to | |
219 | the covered work, and you disclaim any intention to limit operation or | |
220 | modification of the work as a means of enforcing, against the work's | |
221 | users, your or third parties' legal rights to forbid circumvention of | |
222 | technological measures. | |
223 | ||
224 | @sp 1 | |
225 | @item | |
226 | CONVEYING VERBATIM COPIES | |
227 | ||
228 | You may convey verbatim copies of the Program's source code as you | |
229 | receive it, in any medium, provided that you conspicuously and | |
230 | appropriately publish on each copy an appropriate copyright notice; | |
231 | keep intact all notices stating that this License and any | |
232 | non-permissive terms added in accord with section 7 apply to the code; | |
233 | keep intact all notices of the absence of any warranty; and give all | |
234 | recipients a copy of this License along with the Program. | |
235 | ||
236 | You may charge any price or no price for each copy that you convey, | |
237 | and you may offer support or warranty protection for a fee. | |
238 | ||
239 | @sp 1 | |
240 | @item | |
241 | CONVEYING MODIFIED SOURCE VERSIONS | |
242 | ||
243 | You may convey a work based on the Program, or the modifications to | |
244 | produce it from the Program, in the form of source code under the | |
245 | terms of section 4, provided that you also meet all of these conditions: | |
246 | ||
247 | a) The work must carry prominent notices stating that you modified | |
248 | it, and giving a relevant date. | |
249 | ||
250 | b) The work must carry prominent notices stating that it is | |
251 | released under this License and any conditions added under section | |
252 | 7. This requirement modifies the requirement in section 4 to | |
253 | "keep intact all notices". | |
254 | ||
255 | c) You must license the entire work, as a whole, under this | |
256 | License to anyone who comes into possession of a copy. This | |
257 | License will therefore apply, along with any applicable section 7 | |
258 | additional terms, to the whole of the work, and all its parts, | |
259 | regardless of how they are packaged. This License gives no | |
260 | permission to license the work in any other way, but it does not | |
261 | invalidate such permission if you have separately received it. | |
262 | ||
263 | d) If the work has interactive user interfaces, each must display | |
264 | Appropriate Legal Notices; however, if the Program has interactive | |
265 | interfaces that do not display Appropriate Legal Notices, your | |
266 | work need not make them do so. | |
267 | ||
268 | A compilation of a covered work with other separate and independent | |
269 | works, which are not by their nature extensions of the covered work, | |
270 | and which are not combined with it such as to form a larger program, | |
271 | in or on a volume of a storage or distribution medium, is called an | |
272 | "aggregate" if the compilation and its resulting copyright are not | |
273 | used to limit the access or legal rights of the compilation's users | |
274 | beyond what the individual works permit. Inclusion of a covered work | |
275 | in an aggregate does not cause this License to apply to the other | |
276 | parts of the aggregate. | |
277 | ||
278 | @sp 1 | |
279 | @item | |
280 | CONVEYING NON-SOURCE FORMS | |
281 | ||
282 | You may convey a covered work in object code form under the terms | |
283 | of sections 4 and 5, provided that you also convey the | |
284 | machine-readable Corresponding Source under the terms of this License, | |
285 | in one of these ways: | |
286 | ||
287 | a) Convey the object code in, or embodied in, a physical product | |
288 | (including a physical distribution medium), accompanied by the | |
289 | Corresponding Source fixed on a durable physical medium | |
290 | customarily used for software interchange. | |
291 | ||
292 | b) Convey the object code in, or embodied in, a physical product | |
293 | (including a physical distribution medium), accompanied by a | |
294 | written offer, valid for at least three years and valid for as | |
295 | long as you offer spare parts or customer support for that product | |
296 | model, to give anyone who possesses the object code either (1) a | |
297 | copy of the Corresponding Source for all the software in the | |
298 | product that is covered by this License, on a durable physical | |
299 | medium customarily used for software interchange, for a price no | |
300 | more than your reasonable cost of physically performing this | |
301 | conveying of source, or (2) access to copy the | |
302 | Corresponding Source from a network server at no charge. | |
303 | ||
304 | c) Convey individual copies of the object code with a copy of the | |
305 | written offer to provide the Corresponding Source. This | |
306 | alternative is allowed only occasionally and noncommercially, and | |
307 | only if you received the object code with such an offer, in accord | |
308 | with subsection 6b. | |
309 | ||
310 | d) Convey the object code by offering access from a designated | |
311 | place (gratis or for a charge), and offer equivalent access to the | |
312 | Corresponding Source in the same way through the same place at no | |
313 | further charge. You need not require recipients to copy the | |
314 | Corresponding Source along with the object code. If the place to | |
315 | copy the object code is a network server, the Corresponding Source | |
316 | may be on a different server (operated by you or a third party) | |
317 | that supports equivalent copying facilities, provided you maintain | |
318 | clear directions next to the object code saying where to find the | |
319 | Corresponding Source. Regardless of what server hosts the | |
320 | Corresponding Source, you remain obligated to ensure that it is | |
321 | available for as long as needed to satisfy these requirements. | |
322 | ||
323 | e) Convey the object code using peer-to-peer transmission, provided | |
324 | you inform other peers where the object code and Corresponding | |
325 | Source of the work are being offered to the general public at no | |
326 | charge under subsection 6d. | |
327 | ||
328 | A separable portion of the object code, whose source code is excluded | |
329 | from the Corresponding Source as a System Library, need not be | |
330 | included in conveying the object code work. | |
331 | ||
332 | A "User Product" is either (1) a "consumer product", which means any | |
333 | tangible personal property which is normally used for personal, family, | |
334 | or household purposes, or (2) anything designed or sold for incorporation | |
335 | into a dwelling. In determining whether a product is a consumer product, | |
336 | doubtful cases shall be resolved in favor of coverage. For a particular | |
337 | product received by a particular user, "normally used" refers to a | |
338 | typical or common use of that class of product, regardless of the status | |
339 | of the particular user or of the way in which the particular user | |
340 | actually uses, or expects or is expected to use, the product. A product | |
341 | is a consumer product regardless of whether the product has substantial | |
342 | commercial, industrial or non-consumer uses, unless such uses represent | |
343 | the only significant mode of use of the product. | |
344 | ||
345 | "Installation Information" for a User Product means any methods, | |
346 | procedures, authorization keys, or other information required to install | |
347 | and execute modified versions of a covered work in that User Product from | |
348 | a modified version of its Corresponding Source. The information must | |
349 | suffice to ensure that the continued functioning of the modified object | |
350 | code is in no case prevented or interfered with solely because | |
351 | modification has been made. | |
352 | ||
353 | If you convey an object code work under this section in, or with, or | |
354 | specifically for use in, a User Product, and the conveying occurs as | |
355 | part of a transaction in which the right of possession and use of the | |
356 | User Product is transferred to the recipient in perpetuity or for a | |
357 | fixed term (regardless of how the transaction is characterized), the | |
358 | Corresponding Source conveyed under this section must be accompanied | |
359 | by the Installation Information. But this requirement does not apply | |
360 | if neither you nor any third party retains the ability to install | |
361 | modified object code on the User Product (for example, the work has | |
362 | been installed in ROM). | |
363 | ||
364 | The requirement to provide Installation Information does not include a | |
365 | requirement to continue to provide support service, warranty, or updates | |
366 | for a work that has been modified or installed by the recipient, or for | |
367 | the User Product in which it has been modified or installed. Access to a | |
368 | network may be denied when the modification itself materially and | |
369 | adversely affects the operation of the network or violates the rules and | |
370 | protocols for communication across the network. | |
371 | ||
372 | Corresponding Source conveyed, and Installation Information provided, | |
373 | in accord with this section must be in a format that is publicly | |
374 | documented (and with an implementation available to the public in | |
375 | source code form), and must require no special password or key for | |
376 | unpacking, reading or copying. | |
377 | ||
378 | @sp 1 | |
379 | @item | |
380 | ADDITIONAL TERMS | |
381 | ||
382 | "Additional permissions" are terms that supplement the terms of this | |
383 | License by making exceptions from one or more of its conditions. | |
384 | Additional permissions that are applicable to the entire Program shall | |
385 | be treated as though they were included in this License, to the extent | |
386 | that they are valid under applicable law. If additional permissions | |
387 | apply only to part of the Program, that part may be used separately | |
388 | under those permissions, but the entire Program remains governed by | |
389 | this License without regard to the additional permissions. | |
390 | ||
391 | When you convey a copy of a covered work, you may at your option | |
392 | remove any additional permissions from that copy, or from any part of | |
393 | it. (Additional permissions may be written to require their own | |
394 | removal in certain cases when you modify the work.) You may place | |
395 | additional permissions on material, added by you to a covered work, | |
396 | for which you have or can give appropriate copyright permission. | |
397 | ||
398 | Notwithstanding any other provision of this License, for material you | |
399 | add to a covered work, you may (if authorized by the copyright holders of | |
400 | that material) supplement the terms of this License with terms: | |
401 | ||
402 | a) Disclaiming warranty or limiting liability differently from the | |
403 | terms of sections 15 and 16 of this License; or | |
404 | ||
405 | b) Requiring preservation of specified reasonable legal notices or | |
406 | author attributions in that material or in the Appropriate Legal | |
407 | Notices displayed by works containing it; or | |
408 | ||
409 | c) Prohibiting misrepresentation of the origin of that material, or | |
410 | requiring that modified versions of such material be marked in | |
411 | reasonable ways as different from the original version; or | |
412 | ||
413 | d) Limiting the use for publicity purposes of names of licensors or | |
414 | authors of the material; or | |
415 | ||
416 | e) Declining to grant rights under trademark law for use of some | |
417 | trade names, trademarks, or service marks; or | |
418 | ||
419 | f) Requiring indemnification of licensors and authors of that | |
420 | material by anyone who conveys the material (or modified versions of | |
421 | it) with contractual assumptions of liability to the recipient, for | |
422 | any liability that these contractual assumptions directly impose on | |
423 | those licensors and authors. | |
424 | ||
425 | All other non-permissive additional terms are considered "further | |
426 | restrictions" within the meaning of section 10. If the Program as you | |
427 | received it, or any part of it, contains a notice stating that it is | |
428 | governed by this License along with a term that is a further | |
429 | restriction, you may remove that term. If a license document contains | |
430 | a further restriction but permits relicensing or conveying under this | |
431 | License, you may add to a covered work material governed by the terms | |
432 | of that license document, provided that the further restriction does | |
433 | not survive such relicensing or conveying. | |
434 | ||
435 | If you add terms to a covered work in accord with this section, you | |
436 | must place, in the relevant source files, a statement of the | |
437 | additional terms that apply to those files, or a notice indicating | |
438 | where to find the applicable terms. | |
439 | ||
440 | Additional terms, permissive or non-permissive, may be stated in the | |
441 | form of a separately written license, or stated as exceptions; | |
442 | the above requirements apply either way. | |
443 | ||
444 | @sp 1 | |
445 | @item | |
446 | TERMINATION | |
447 | ||
448 | You may not propagate or modify a covered work except as expressly | |
449 | provided under this License. Any attempt otherwise to propagate or | |
450 | modify it is void, and will automatically terminate your rights under | |
451 | this License (including any patent licenses granted under the third | |
452 | paragraph of section 11). | |
453 | ||
454 | However, if you cease all violation of this License, then your | |
455 | license from a particular copyright holder is reinstated (a) | |
456 | provisionally, unless and until the copyright holder explicitly and | |
457 | finally terminates your license, and (b) permanently, if the copyright | |
458 | holder fails to notify you of the violation by some reasonable means | |
459 | prior to 60 days after the cessation. | |
460 | ||
461 | Moreover, your license from a particular copyright holder is | |
462 | reinstated permanently if the copyright holder notifies you of the | |
463 | violation by some reasonable means, this is the first time you have | |
464 | received notice of violation of this License (for any work) from that | |
465 | copyright holder, and you cure the violation prior to 30 days after | |
466 | your receipt of the notice. | |
467 | ||
468 | Termination of your rights under this section does not terminate the | |
469 | licenses of parties who have received copies or rights from you under | |
470 | this License. If your rights have been terminated and not permanently | |
471 | reinstated, you do not qualify to receive new licenses for the same | |
472 | material under section 10. | |
473 | ||
474 | @sp 1 | |
475 | @item | |
476 | ACCEPTANCE NOT REQUIRED FOR HAVING COPIES | |
477 | ||
478 | You are not required to accept this License in order to receive or | |
479 | run a copy of the Program. Ancillary propagation of a covered work | |
480 | occurring solely as a consequence of using peer-to-peer transmission | |
481 | to receive a copy likewise does not require acceptance. However, | |
482 | nothing other than this License grants you permission to propagate or | |
483 | modify any covered work. These actions infringe copyright if you do | |
484 | not accept this License. Therefore, by modifying or propagating a | |
485 | covered work, you indicate your acceptance of this License to do so. | |
486 | ||
487 | @sp 1 | |
488 | @item | |
489 | AUTOMATIC LICENSING OF DOWNSTREAM RECIPIENTS | |
490 | ||
491 | Each time you convey a covered work, the recipient automatically | |
492 | receives a license from the original licensors, to run, modify and | |
493 | propagate that work, subject to this License. You are not responsible | |
494 | for enforcing compliance by third parties with this License. | |
495 | ||
496 | An "entity transaction" is a transaction transferring control of an | |
497 | organization, or substantially all assets of one, or subdividing an | |
498 | organization, or merging organizations. If propagation of a covered | |
499 | work results from an entity transaction, each party to that | |
500 | transaction who receives a copy of the work also receives whatever | |
501 | licenses to the work the party's predecessor in interest had or could | |
502 | give under the previous paragraph, plus a right to possession of the | |
503 | Corresponding Source of the work from the predecessor in interest, if | |
504 | the predecessor has it or can get it with reasonable efforts. | |
505 | ||
506 | You may not impose any further restrictions on the exercise of the | |
507 | rights granted or affirmed under this License. For example, you may | |
508 | not impose a license fee, royalty, or other charge for exercise of | |
509 | rights granted under this License, and you may not initiate litigation | |
510 | (including a cross-claim or counterclaim in a lawsuit) alleging that | |
511 | any patent claim is infringed by making, using, selling, offering for | |
512 | sale, or importing the Program or any portion of it. | |
513 | ||
514 | @sp 1 | |
515 | @item | |
516 | PATENTS | |
517 | ||
518 | A "contributor" is a copyright holder who authorizes use under this | |
519 | License of the Program or a work on which the Program is based. The | |
520 | work thus licensed is called the contributor's "contributor version". | |
521 | ||
522 | A contributor's "essential patent claims" are all patent claims | |
523 | owned or controlled by the contributor, whether already acquired or | |
524 | hereafter acquired, that would be infringed by some manner, permitted | |
525 | by this License, of making, using, or selling its contributor version, | |
526 | but do not include claims that would be infringed only as a | |
527 | consequence of further modification of the contributor version. For | |
528 | purposes of this definition, "control" includes the right to grant | |
529 | patent sublicenses in a manner consistent with the requirements of | |
530 | this License. | |
531 | ||
532 | Each contributor grants you a non-exclusive, worldwide, royalty-free | |
533 | patent license under the contributor's essential patent claims, to | |
534 | make, use, sell, offer for sale, import and otherwise run, modify and | |
535 | propagate the contents of its contributor version. | |
536 | ||
537 | In the following three paragraphs, a "patent license" is any express | |
538 | agreement or commitment, however denominated, not to enforce a patent | |
539 | (such as an express permission to practice a patent or covenant not to | |
540 | sue for patent infringement). To "grant" such a patent license to a | |
541 | party means to make such an agreement or commitment not to enforce a | |
542 | patent against the party. | |
543 | ||
544 | If you convey a covered work, knowingly relying on a patent license, | |
545 | and the Corresponding Source of the work is not available for anyone | |
546 | to copy, free of charge and under the terms of this License, through a | |
547 | publicly available network server or other readily accessible means, | |
548 | then you must either (1) cause the Corresponding Source to be so | |
549 | available, or (2) arrange to deprive yourself of the benefit of the | |
550 | patent license for this particular work, or (3) arrange, in a manner | |
551 | consistent with the requirements of this License, to extend the patent | |
552 | license to downstream recipients. "Knowingly relying" means you have | |
553 | actual knowledge that, but for the patent license, your conveying the | |
554 | covered work in a country, or your recipient's use of the covered work | |
555 | in a country, would infringe one or more identifiable patents in that | |
556 | country that you have reason to believe are valid. | |
557 | ||
558 | If, pursuant to or in connection with a single transaction or | |
559 | arrangement, you convey, or propagate by procuring conveyance of, a | |
560 | covered work, and grant a patent license to some of the parties | |
561 | receiving the covered work authorizing them to use, propagate, modify | |
562 | or convey a specific copy of the covered work, then the patent license | |
563 | you grant is automatically extended to all recipients of the covered | |
564 | work and works based on it. | |
565 | ||
566 | A patent license is "discriminatory" if it does not include within | |
567 | the scope of its coverage, prohibits the exercise of, or is | |
568 | conditioned on the non-exercise of one or more of the rights that are | |
569 | specifically granted under this License. You may not convey a covered | |
570 | work if you are a party to an arrangement with a third party that is | |
571 | in the business of distributing software, under which you make payment | |
572 | to the third party based on the extent of your activity of conveying | |
573 | the work, and under which the third party grants, to any of the | |
574 | parties who would receive the covered work from you, a discriminatory | |
575 | patent license (a) in connection with copies of the covered work | |
576 | conveyed by you (or copies made from those copies), or (b) primarily | |
577 | for and in connection with specific products or compilations that | |
578 | contain the covered work, unless you entered into that arrangement, | |
579 | or that patent license was granted, prior to 28 March 2007. | |
580 | ||
581 | Nothing in this License shall be construed as excluding or limiting | |
582 | any implied license or other defenses to infringement that may | |
583 | otherwise be available to you under applicable patent law. | |
584 | ||
585 | @sp 1 | |
586 | @item | |
587 | NO SURRENDER OF OTHERS' FREEDOM | |
588 | ||
589 | If conditions are imposed on you (whether by court order, agreement or | |
590 | otherwise) that contradict the conditions of this License, they do not | |
591 | excuse you from the conditions of this License. If you cannot convey a | |
592 | covered work so as to satisfy simultaneously your obligations under this | |
593 | License and any other pertinent obligations, then as a consequence you may | |
594 | not convey it at all. For example, if you agree to terms that obligate you | |
595 | to collect a royalty for further conveying from those to whom you convey | |
596 | the Program, the only way you could satisfy both those terms and this | |
597 | License would be to refrain entirely from conveying the Program. | |
598 | ||
599 | @sp 1 | |
600 | @item | |
601 | USE WITH THE GNU AFFERO GENERAL PUBLIC LICENSE | |
602 | ||
603 | Notwithstanding any other provision of this License, you have | |
604 | permission to link or combine any covered work with a work licensed | |
605 | under version 3 of the GNU Affero General Public License into a single | |
606 | combined work, and to convey the resulting work. The terms of this | |
607 | License will continue to apply to the part which is the covered work, | |
608 | but the special requirements of the GNU Affero General Public License, | |
609 | section 13, concerning interaction through a network will apply to the | |
610 | combination as such. | |
611 | ||
612 | @sp 1 | |
613 | @item | |
614 | REVISED VERSIONS OF THIS LICENSE | |
615 | ||
616 | The Free Software Foundation may publish revised and/or new versions of | |
617 | the GNU General Public License from time to time. Such new versions will | |
618 | be similar in spirit to the present version, but may differ in detail to | |
619 | address new problems or concerns. | |
620 | ||
621 | Each version is given a distinguishing version number. If the | |
622 | Program specifies that a certain numbered version of the GNU General | |
623 | Public License "or any later version" applies to it, you have the | |
624 | option of following the terms and conditions either of that numbered | |
625 | version or of any later version published by the Free Software | |
626 | Foundation. If the Program does not specify a version number of the | |
627 | GNU General Public License, you may choose any version ever published | |
628 | by the Free Software Foundation. | |
629 | ||
630 | If the Program specifies that a proxy can decide which future | |
631 | versions of the GNU General Public License can be used, that proxy's | |
632 | public statement of acceptance of a version permanently authorizes you | |
633 | to choose that version for the Program. | |
634 | ||
635 | Later license versions may give you additional or different | |
636 | permissions. However, no additional obligations are imposed on any | |
637 | author or copyright holder as a result of your choosing to follow a | |
638 | later version. | |
639 | ||
640 | @sp 1 | |
641 | @item | |
642 | DISCLAIMER OF WARRANTY | |
643 | ||
644 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY | |
645 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT | |
646 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY | |
647 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, | |
648 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
649 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM | |
650 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF | |
651 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. | |
652 | ||
653 | @sp 1 | |
654 | @item | |
655 | LIMITATION OF LIABILITY. | |
656 | ||
657 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING | |
658 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS | |
659 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY | |
660 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE | |
661 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF | |
662 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD | |
663 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), | |
664 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF | |
665 | SUCH DAMAGES. | |
666 | ||
667 | @sp 1 | |
668 | @item | |
669 | INTERPRETATION OF SECTIONS 15 AND 16 | |
670 | ||
671 | If the disclaimer of warranty and limitation of liability provided | |
672 | above cannot be given local legal effect according to their terms, | |
673 | reviewing courts shall apply local law that most closely approximates | |
674 | an absolute waiver of all civil liability in connection with the | |
675 | Program, unless a warranty or assumption of liability accompanies a | |
676 | copy of the Program in return for a fee. | |
677 | ||
678 | @end enumerate | |
679 | ||
680 | @unnumberedsec How to Apply These Terms to your New Programs | |
681 | ||
682 | If you develop a new program, and you want it to be of the greatest | |
683 | possible use to the public, the best way to achieve this is to make it | |
684 | free software which everyone can redistribute and change under these terms. | |
685 | ||
686 | To do so, attach the following notices to the program. It is safest | |
687 | to attach them to the start of each source file to most effectively | |
688 | state the exclusion of warranty; and each file should have at least | |
689 | the "copyright" line and a pointer to where the full notice is found. | |
690 | ||
691 | <one line to give the program's name and a brief idea of what it does.> | |
692 | Copyright (C) <year> <name of author> | |
693 | ||
694 | This program is free software: you can redistribute it and/or modify | |
695 | it under the terms of the GNU General Public License as published by | |
696 | the Free Software Foundation, either version 3 of the License, or | |
697 | (at your option) any later version. | |
698 | ||
699 | This program is distributed in the hope that it will be useful, | |
700 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
701 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
702 | GNU General Public License for more details. | |
703 | ||
704 | You should have received a copy of the GNU General Public License | |
705 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
706 | ||
707 | Also add information on how to contact you by electronic and paper mail. | |
708 | ||
709 | If the program does terminal interaction, make it output a short | |
710 | notice like this when it starts in an interactive mode: | |
711 | ||
712 | <program> Copyright (C) <year> <name of author> | |
713 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. | |
714 | This is free software, and you are welcome to redistribute it | |
715 | under certain conditions; type `show c' for details. | |
716 | ||
717 | The hypothetical commands `show w' and `show c' should show the appropriate | |
718 | parts of the General Public License. Of course, your program's commands | |
719 | might be different; for a GUI interface, you would use an "about box". | |
720 | ||
721 | You should also get your employer (if you work as a programmer) or school, | |
722 | if any, to sign a "copyright disclaimer" for the program, if necessary. | |
723 | For more information on this, and how to apply and follow the GNU GPL, see | |
724 | <http://www.gnu.org/licenses/>. | |
725 | ||
726 | The GNU General Public License does not permit incorporating your program | |
727 | into proprietary programs. If your program is a subroutine library, you | |
728 | may consider it more useful to permit linking proprietary applications with | |
729 | the library. If this is what you want to do, use the GNU Lesser General | |
730 | Public License instead of this License. But first, please read | |
731 | <http://www.gnu.org/philosophy/why-not-lgpl.html>. | |
732 | ||
733 | @node GFDL, GTP License, GPL, Copying | |
734 | @cindex licence, documentation (GFDL) | |
735 | ||
736 | @section GNU FREE DOCUMENTATION LICENSE | |
737 | ||
738 | @c The GNU Free Documentation License. | |
739 | @center Version 1.3, 3 November 2008 | |
740 | ||
741 | @c This file is intended to be included within another document, | |
742 | @c hence no sectioning command or @node. | |
743 | ||
744 | @display | |
745 | Copyright @copyright{} 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc. | |
746 | @uref{http://fsf.org/} | |
747 | ||
748 | Everyone is permitted to copy and distribute verbatim copies | |
749 | of this license document, but changing it is not allowed. | |
750 | @end display | |
751 | ||
752 | @enumerate 0 | |
753 | @item | |
754 | PREAMBLE | |
755 | ||
756 | The purpose of this License is to make a manual, textbook, or other | |
757 | functional and useful document @dfn{free} in the sense of freedom: to | |
758 | assure everyone the effective freedom to copy and redistribute it, | |
759 | with or without modifying it, either commercially or noncommercially. | |
760 | Secondarily, this License preserves for the author and publisher a way | |
761 | to get credit for their work, while not being considered responsible | |
762 | for modifications made by others. | |
763 | ||
764 | This License is a kind of ``copyleft'', which means that derivative | |
765 | works of the document must themselves be free in the same sense. It | |
766 | complements the GNU General Public License, which is a copyleft | |
767 | license designed for free software. | |
768 | ||
769 | We have designed this License in order to use it for manuals for free | |
770 | software, because free software needs free documentation: a free | |
771 | program should come with manuals providing the same freedoms that the | |
772 | software does. But this License is not limited to software manuals; | |
773 | it can be used for any textual work, regardless of subject matter or | |
774 | whether it is published as a printed book. We recommend this License | |
775 | principally for works whose purpose is instruction or reference. | |
776 | ||
777 | @item | |
778 | APPLICABILITY AND DEFINITIONS | |
779 | ||
780 | This License applies to any manual or other work, in any medium, that | |
781 | contains a notice placed by the copyright holder saying it can be | |
782 | distributed under the terms of this License. Such a notice grants a | |
783 | world-wide, royalty-free license, unlimited in duration, to use that | |
784 | work under the conditions stated herein. The ``Document'', below, | |
785 | refers to any such manual or work. Any member of the public is a | |
786 | licensee, and is addressed as ``you''. You accept the license if you | |
787 | copy, modify or distribute the work in a way requiring permission | |
788 | under copyright law. | |
789 | ||
790 | A ``Modified Version'' of the Document means any work containing the | |
791 | Document or a portion of it, either copied verbatim, or with | |
792 | modifications and/or translated into another language. | |
793 | ||
794 | A ``Secondary Section'' is a named appendix or a front-matter section | |
795 | of the Document that deals exclusively with the relationship of the | |
796 | publishers or authors of the Document to the Document's overall | |
797 | subject (or to related matters) and contains nothing that could fall | |
798 | directly within that overall subject. (Thus, if the Document is in | |
799 | part a textbook of mathematics, a Secondary Section may not explain | |
800 | any mathematics.) The relationship could be a matter of historical | |
801 | connection with the subject or with related matters, or of legal, | |
802 | commercial, philosophical, ethical or political position regarding | |
803 | them. | |
804 | ||
805 | The ``Invariant Sections'' are certain Secondary Sections whose titles | |
806 | are designated, as being those of Invariant Sections, in the notice | |
807 | that says that the Document is released under this License. If a | |
808 | section does not fit the above definition of Secondary then it is not | |
809 | allowed to be designated as Invariant. The Document may contain zero | |
810 | Invariant Sections. If the Document does not identify any Invariant | |
811 | Sections then there are none. | |
812 | ||
813 | The ``Cover Texts'' are certain short passages of text that are listed, | |
814 | as Front-Cover Texts or Back-Cover Texts, in the notice that says that | |
815 | the Document is released under this License. A Front-Cover Text may | |
816 | be at most 5 words, and a Back-Cover Text may be at most 25 words. | |
817 | ||
818 | A ``Transparent'' copy of the Document means a machine-readable copy, | |
819 | represented in a format whose specification is available to the | |
820 | general public, that is suitable for revising the document | |
821 | straightforwardly with generic text editors or (for images composed of | |
822 | pixels) generic paint programs or (for drawings) some widely available | |
823 | drawing editor, and that is suitable for input to text formatters or | |
824 | for automatic translation to a variety of formats suitable for input | |
825 | to text formatters. A copy made in an otherwise Transparent file | |
826 | format whose markup, or absence of markup, has been arranged to thwart | |
827 | or discourage subsequent modification by readers is not Transparent. | |
828 | An image format is not Transparent if used for any substantial amount | |
829 | of text. A copy that is not ``Transparent'' is called ``Opaque''. | |
830 | ||
831 | Examples of suitable formats for Transparent copies include plain | |
832 | @sc{ascii} without markup, Texinfo input format, La@TeX{} input | |
833 | format, @acronym{SGML} or @acronym{XML} using a publicly available | |
834 | @acronym{DTD}, and standard-conforming simple @acronym{HTML}, | |
835 | PostScript or @acronym{PDF} designed for human modification. Examples | |
836 | of transparent image formats include @acronym{PNG}, @acronym{XCF} and | |
837 | @acronym{JPG}. Opaque formats include proprietary formats that can be | |
838 | read and edited only by proprietary word processors, @acronym{SGML} or | |
839 | @acronym{XML} for which the @acronym{DTD} and/or processing tools are | |
840 | not generally available, and the machine-generated @acronym{HTML}, | |
841 | PostScript or @acronym{PDF} produced by some word processors for | |
842 | output purposes only. | |
843 | ||
844 | The ``Title Page'' means, for a printed book, the title page itself, | |
845 | plus such following pages as are needed to hold, legibly, the material | |
846 | this License requires to appear in the title page. For works in | |
847 | formats which do not have any title page as such, ``Title Page'' means | |
848 | the text near the most prominent appearance of the work's title, | |
849 | preceding the beginning of the body of the text. | |
850 | ||
851 | The ``publisher'' means any person or entity that distributes copies | |
852 | of the Document to the public. | |
853 | ||
854 | A section ``Entitled XYZ'' means a named subunit of the Document whose | |
855 | title either is precisely XYZ or contains XYZ in parentheses following | |
856 | text that translates XYZ in another language. (Here XYZ stands for a | |
857 | specific section name mentioned below, such as ``Acknowledgements'', | |
858 | ``Dedications'', ``Endorsements'', or ``History''.) To ``Preserve the Title'' | |
859 | of such a section when you modify the Document means that it remains a | |
860 | section ``Entitled XYZ'' according to this definition. | |
861 | ||
862 | The Document may include Warranty Disclaimers next to the notice which | |
863 | states that this License applies to the Document. These Warranty | |
864 | Disclaimers are considered to be included by reference in this | |
865 | License, but only as regards disclaiming warranties: any other | |
866 | implication that these Warranty Disclaimers may have is void and has | |
867 | no effect on the meaning of this License. | |
868 | ||
869 | @item | |
870 | VERBATIM COPYING | |
871 | ||
872 | You may copy and distribute the Document in any medium, either | |
873 | commercially or noncommercially, provided that this License, the | |
874 | copyright notices, and the license notice saying this License applies | |
875 | to the Document are reproduced in all copies, and that you add no other | |
876 | conditions whatsoever to those of this License. You may not use | |
877 | technical measures to obstruct or control the reading or further | |
878 | copying of the copies you make or distribute. However, you may accept | |
879 | compensation in exchange for copies. If you distribute a large enough | |
880 | number of copies you must also follow the conditions in section 3. | |
881 | ||
882 | You may also lend copies, under the same conditions stated above, and | |
883 | you may publicly display copies. | |
884 | ||
885 | @item | |
886 | COPYING IN QUANTITY | |
887 | ||
888 | If you publish printed copies (or copies in media that commonly have | |
889 | printed covers) of the Document, numbering more than 100, and the | |
890 | Document's license notice requires Cover Texts, you must enclose the | |
891 | copies in covers that carry, clearly and legibly, all these Cover | |
892 | Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on | |
893 | the back cover. Both covers must also clearly and legibly identify | |
894 | you as the publisher of these copies. The front cover must present | |
895 | the full title with all words of the title equally prominent and | |
896 | visible. You may add other material on the covers in addition. | |
897 | Copying with changes limited to the covers, as long as they preserve | |
898 | the title of the Document and satisfy these conditions, can be treated | |
899 | as verbatim copying in other respects. | |
900 | ||
901 | If the required texts for either cover are too voluminous to fit | |
902 | legibly, you should put the first ones listed (as many as fit | |
903 | reasonably) on the actual cover, and continue the rest onto adjacent | |
904 | pages. | |
905 | ||
906 | If you publish or distribute Opaque copies of the Document numbering | |
907 | more than 100, you must either include a machine-readable Transparent | |
908 | copy along with each Opaque copy, or state in or with each Opaque copy | |
909 | a computer-network location from which the general network-using | |
910 | public has access to download using public-standard network protocols | |
911 | a complete Transparent copy of the Document, free of added material. | |
912 | If you use the latter option, you must take reasonably prudent steps, | |
913 | when you begin distribution of Opaque copies in quantity, to ensure | |
914 | that this Transparent copy will remain thus accessible at the stated | |
915 | location until at least one year after the last time you distribute an | |
916 | Opaque copy (directly or through your agents or retailers) of that | |
917 | edition to the public. | |
918 | ||
919 | It is requested, but not required, that you contact the authors of the | |
920 | Document well before redistributing any large number of copies, to give | |
921 | them a chance to provide you with an updated version of the Document. | |
922 | ||
923 | @item | |
924 | MODIFICATIONS | |
925 | ||
926 | You may copy and distribute a Modified Version of the Document under | |
927 | the conditions of sections 2 and 3 above, provided that you release | |
928 | the Modified Version under precisely this License, with the Modified | |
929 | Version filling the role of the Document, thus licensing distribution | |
930 | and modification of the Modified Version to whoever possesses a copy | |
931 | of it. In addition, you must do these things in the Modified Version: | |
932 | ||
933 | @enumerate A | |
934 | @item | |
935 | Use in the Title Page (and on the covers, if any) a title distinct | |
936 | from that of the Document, and from those of previous versions | |
937 | (which should, if there were any, be listed in the History section | |
938 | of the Document). You may use the same title as a previous version | |
939 | if the original publisher of that version gives permission. | |
940 | ||
941 | @item | |
942 | List on the Title Page, as authors, one or more persons or entities | |
943 | responsible for authorship of the modifications in the Modified | |
944 | Version, together with at least five of the principal authors of the | |
945 | Document (all of its principal authors, if it has fewer than five), | |
946 | unless they release you from this requirement. | |
947 | ||
948 | @item | |
949 | State on the Title page the name of the publisher of the | |
950 | Modified Version, as the publisher. | |
951 | ||
952 | @item | |
953 | Preserve all the copyright notices of the Document. | |
954 | ||
955 | @item | |
956 | Add an appropriate copyright notice for your modifications | |
957 | adjacent to the other copyright notices. | |
958 | ||
959 | @item | |
960 | Include, immediately after the copyright notices, a license notice | |
961 | giving the public permission to use the Modified Version under the | |
962 | terms of this License, in the form shown in the Addendum below. | |
963 | ||
964 | @item | |
965 | Preserve in that license notice the full lists of Invariant Sections | |
966 | and required Cover Texts given in the Document's license notice. | |
967 | ||
968 | @item | |
969 | Include an unaltered copy of this License. | |
970 | ||
971 | @item | |
972 | Preserve the section Entitled ``History'', Preserve its Title, and add | |
973 | to it an item stating at least the title, year, new authors, and | |
974 | publisher of the Modified Version as given on the Title Page. If | |
975 | there is no section Entitled ``History'' in the Document, create one | |
976 | stating the title, year, authors, and publisher of the Document as | |
977 | given on its Title Page, then add an item describing the Modified | |
978 | Version as stated in the previous sentence. | |
979 | ||
980 | @item | |
981 | Preserve the network location, if any, given in the Document for | |
982 | public access to a Transparent copy of the Document, and likewise | |
983 | the network locations given in the Document for previous versions | |
984 | it was based on. These may be placed in the ``History'' section. | |
985 | You may omit a network location for a work that was published at | |
986 | least four years before the Document itself, or if the original | |
987 | publisher of the version it refers to gives permission. | |
988 | ||
989 | @item | |
990 | For any section Entitled ``Acknowledgements'' or ``Dedications'', Preserve | |
991 | the Title of the section, and preserve in the section all the | |
992 | substance and tone of each of the contributor acknowledgements and/or | |
993 | dedications given therein. | |
994 | ||
995 | @item | |
996 | Preserve all the Invariant Sections of the Document, | |
997 | unaltered in their text and in their titles. Section numbers | |
998 | or the equivalent are not considered part of the section titles. | |
999 | ||
1000 | @item | |
1001 | Delete any section Entitled ``Endorsements''. Such a section | |
1002 | may not be included in the Modified Version. | |
1003 | ||
1004 | @item | |
1005 | Do not retitle any existing section to be Entitled ``Endorsements'' or | |
1006 | to conflict in title with any Invariant Section. | |
1007 | ||
1008 | @item | |
1009 | Preserve any Warranty Disclaimers. | |
1010 | @end enumerate | |
1011 | ||
1012 | If the Modified Version includes new front-matter sections or | |
1013 | appendices that qualify as Secondary Sections and contain no material | |
1014 | copied from the Document, you may at your option designate some or all | |
1015 | of these sections as invariant. To do this, add their titles to the | |
1016 | list of Invariant Sections in the Modified Version's license notice. | |
1017 | These titles must be distinct from any other section titles. | |
1018 | ||
1019 | You may add a section Entitled ``Endorsements'', provided it contains | |
1020 | nothing but endorsements of your Modified Version by various | |
1021 | parties---for example, statements of peer review or that the text has | |
1022 | been approved by an organization as the authoritative definition of a | |
1023 | standard. | |
1024 | ||
1025 | You may add a passage of up to five words as a Front-Cover Text, and a | |
1026 | passage of up to 25 words as a Back-Cover Text, to the end of the list | |
1027 | of Cover Texts in the Modified Version. Only one passage of | |
1028 | Front-Cover Text and one of Back-Cover Text may be added by (or | |
1029 | through arrangements made by) any one entity. If the Document already | |
1030 | includes a cover text for the same cover, previously added by you or | |
1031 | by arrangement made by the same entity you are acting on behalf of, | |
1032 | you may not add another; but you may replace the old one, on explicit | |
1033 | permission from the previous publisher that added the old one. | |
1034 | ||
1035 | The author(s) and publisher(s) of the Document do not by this License | |
1036 | give permission to use their names for publicity for or to assert or | |
1037 | imply endorsement of any Modified Version. | |
1038 | ||
1039 | @item | |
1040 | COMBINING DOCUMENTS | |
1041 | ||
1042 | You may combine the Document with other documents released under this | |
1043 | License, under the terms defined in section 4 above for modified | |
1044 | versions, provided that you include in the combination all of the | |
1045 | Invariant Sections of all of the original documents, unmodified, and | |
1046 | list them all as Invariant Sections of your combined work in its | |
1047 | license notice, and that you preserve all their Warranty Disclaimers. | |
1048 | ||
1049 | The combined work need only contain one copy of this License, and | |
1050 | multiple identical Invariant Sections may be replaced with a single | |
1051 | copy. If there are multiple Invariant Sections with the same name but | |
1052 | different contents, make the title of each such section unique by | |
1053 | adding at the end of it, in parentheses, the name of the original | |
1054 | author or publisher of that section if known, or else a unique number. | |
1055 | Make the same adjustment to the section titles in the list of | |
1056 | Invariant Sections in the license notice of the combined work. | |
1057 | ||
1058 | In the combination, you must combine any sections Entitled ``History'' | |
1059 | in the various original documents, forming one section Entitled | |
1060 | ``History''; likewise combine any sections Entitled ``Acknowledgements'', | |
1061 | and any sections Entitled ``Dedications''. You must delete all | |
1062 | sections Entitled ``Endorsements.'' | |
1063 | ||
1064 | @item | |
1065 | COLLECTIONS OF DOCUMENTS | |
1066 | ||
1067 | You may make a collection consisting of the Document and other documents | |
1068 | released under this License, and replace the individual copies of this | |
1069 | License in the various documents with a single copy that is included in | |
1070 | the collection, provided that you follow the rules of this License for | |
1071 | verbatim copying of each of the documents in all other respects. | |
1072 | ||
1073 | You may extract a single document from such a collection, and distribute | |
1074 | it individually under this License, provided you insert a copy of this | |
1075 | License into the extracted document, and follow this License in all | |
1076 | other respects regarding verbatim copying of that document. | |
1077 | ||
1078 | @item | |
1079 | AGGREGATION WITH INDEPENDENT WORKS | |
1080 | ||
1081 | A compilation of the Document or its derivatives with other separate | |
1082 | and independent documents or works, in or on a volume of a storage or | |
1083 | distribution medium, is called an ``aggregate'' if the copyright | |
1084 | resulting from the compilation is not used to limit the legal rights | |
1085 | of the compilation's users beyond what the individual works permit. | |
1086 | When the Document is included in an aggregate, this License does not | |
1087 | apply to the other works in the aggregate which are not themselves | |
1088 | derivative works of the Document. | |
1089 | ||
1090 | If the Cover Text requirement of section 3 is applicable to these | |
1091 | copies of the Document, then if the Document is less than one half of | |
1092 | the entire aggregate, the Document's Cover Texts may be placed on | |
1093 | covers that bracket the Document within the aggregate, or the | |
1094 | electronic equivalent of covers if the Document is in electronic form. | |
1095 | Otherwise they must appear on printed covers that bracket the whole | |
1096 | aggregate. | |
1097 | ||
1098 | @item | |
1099 | TRANSLATION | |
1100 | ||
1101 | Translation is considered a kind of modification, so you may | |
1102 | distribute translations of the Document under the terms of section 4. | |
1103 | Replacing Invariant Sections with translations requires special | |
1104 | permission from their copyright holders, but you may include | |
1105 | translations of some or all Invariant Sections in addition to the | |
1106 | original versions of these Invariant Sections. You may include a | |
1107 | translation of this License, and all the license notices in the | |
1108 | Document, and any Warranty Disclaimers, provided that you also include | |
1109 | the original English version of this License and the original versions | |
1110 | of those notices and disclaimers. In case of a disagreement between | |
1111 | the translation and the original version of this License or a notice | |
1112 | or disclaimer, the original version will prevail. | |
1113 | ||
1114 | If a section in the Document is Entitled ``Acknowledgements'', | |
1115 | ``Dedications'', or ``History'', the requirement (section 4) to Preserve | |
1116 | its Title (section 1) will typically require changing the actual | |
1117 | title. | |
1118 | ||
1119 | @item | |
1120 | TERMINATION | |
1121 | ||
1122 | You may not copy, modify, sublicense, or distribute the Document | |
1123 | except as expressly provided under this License. Any attempt | |
1124 | otherwise to copy, modify, sublicense, or distribute it is void, and | |
1125 | will automatically terminate your rights under this License. | |
1126 | ||
1127 | However, if you cease all violation of this License, then your license | |
1128 | from a particular copyright holder is reinstated (a) provisionally, | |
1129 | unless and until the copyright holder explicitly and finally | |
1130 | terminates your license, and (b) permanently, if the copyright holder | |
1131 | fails to notify you of the violation by some reasonable means prior to | |
1132 | 60 days after the cessation. | |
1133 | ||
1134 | Moreover, your license from a particular copyright holder is | |
1135 | reinstated permanently if the copyright holder notifies you of the | |
1136 | violation by some reasonable means, this is the first time you have | |
1137 | received notice of violation of this License (for any work) from that | |
1138 | copyright holder, and you cure the violation prior to 30 days after | |
1139 | your receipt of the notice. | |
1140 | ||
1141 | Termination of your rights under this section does not terminate the | |
1142 | licenses of parties who have received copies or rights from you under | |
1143 | this License. If your rights have been terminated and not permanently | |
1144 | reinstated, receipt of a copy of some or all of the same material does | |
1145 | not give you any rights to use it. | |
1146 | ||
1147 | @item | |
1148 | FUTURE REVISIONS OF THIS LICENSE | |
1149 | ||
1150 | The Free Software Foundation may publish new, revised versions | |
1151 | of the GNU Free Documentation License from time to time. Such new | |
1152 | versions will be similar in spirit to the present version, but may | |
1153 | differ in detail to address new problems or concerns. See | |
1154 | @uref{http://www.gnu.org/copyleft/}. | |
1155 | ||
1156 | Each version of the License is given a distinguishing version number. | |
1157 | If the Document specifies that a particular numbered version of this | |
1158 | License ``or any later version'' applies to it, you have the option of | |
1159 | following the terms and conditions either of that specified version or | |
1160 | of any later version that has been published (not as a draft) by the | |
1161 | Free Software Foundation. If the Document does not specify a version | |
1162 | number of this License, you may choose any version ever published (not | |
1163 | as a draft) by the Free Software Foundation. If the Document | |
1164 | specifies that a proxy can decide which future versions of this | |
1165 | License can be used, that proxy's public statement of acceptance of a | |
1166 | version permanently authorizes you to choose that version for the | |
1167 | Document. | |
1168 | ||
1169 | @item | |
1170 | RELICENSING | |
1171 | ||
1172 | ``Massive Multiauthor Collaboration Site'' (or ``MMC Site'') means any | |
1173 | World Wide Web server that publishes copyrightable works and also | |
1174 | provides prominent facilities for anybody to edit those works. A | |
1175 | public wiki that anybody can edit is an example of such a server. A | |
1176 | ``Massive Multiauthor Collaboration'' (or ``MMC'') contained in the | |
1177 | site means any set of copyrightable works thus published on the MMC | |
1178 | site. | |
1179 | ||
1180 | ``CC-BY-SA'' means the Creative Commons Attribution-Share Alike 3.0 | |
1181 | license published by Creative Commons Corporation, a not-for-profit | |
1182 | corporation with a principal place of business in San Francisco, | |
1183 | California, as well as future copyleft versions of that license | |
1184 | published by that same organization. | |
1185 | ||
1186 | ``Incorporate'' means to publish or republish a Document, in whole or | |
1187 | in part, as part of another Document. | |
1188 | ||
1189 | An MMC is ``eligible for relicensing'' if it is licensed under this | |
1190 | License, and if all works that were first published under this License | |
1191 | somewhere other than this MMC, and subsequently incorporated in whole | |
1192 | or in part into the MMC, (1) had no cover texts or invariant sections, | |
1193 | and (2) were thus incorporated prior to November 1, 2008. | |
1194 | ||
1195 | The operator of an MMC Site may republish an MMC contained in the site | |
1196 | under CC-BY-SA on the same site at any time before August 1, 2009, | |
1197 | provided the MMC is eligible for relicensing. | |
1198 | ||
1199 | @end enumerate | |
1200 | ||
1201 | @page | |
1202 | @heading ADDENDUM: How to use this License for your documents | |
1203 | ||
1204 | To use this License in a document you have written, include a copy of | |
1205 | the License in the document and put the following copyright and | |
1206 | license notices just after the title page: | |
1207 | ||
1208 | @smallexample | |
1209 | @group | |
1210 | Copyright (C) @var{year} @var{your name}. | |
1211 | Permission is granted to copy, distribute and/or modify this document | |
1212 | under the terms of the GNU Free Documentation License, Version 1.3 | |
1213 | or any later version published by the Free Software Foundation; | |
1214 | with no Invariant Sections, no Front-Cover Texts, and no Back-Cover | |
1215 | Texts. A copy of the license is included in the section entitled ``GNU | |
1216 | Free Documentation License''. | |
1217 | @end group | |
1218 | @end smallexample | |
1219 | ||
1220 | If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, | |
1221 | replace the ``with@dots{}Texts.'' line with this: | |
1222 | ||
1223 | @smallexample | |
1224 | @group | |
1225 | with the Invariant Sections being @var{list their titles}, with | |
1226 | the Front-Cover Texts being @var{list}, and with the Back-Cover Texts | |
1227 | being @var{list}. | |
1228 | @end group | |
1229 | @end smallexample | |
1230 | ||
1231 | If you have Invariant Sections without Cover Texts, or some other | |
1232 | combination of the three, merge those two alternatives to suit the | |
1233 | situation. | |
1234 | ||
1235 | If your document contains nontrivial examples of program code, we | |
1236 | recommend releasing these examples in parallel under your choice of | |
1237 | free software license, such as the GNU General Public License, | |
1238 | to permit their use in free software. | |
1239 | ||
1240 | @node GTP License, , GFDL, Copying | |
1241 | ||
1242 | @section The Go Text Protocol License | |
1243 | ||
1244 | In order to facilitate the use of the Go Text Protocol, the two files | |
1245 | @file{gtp.c} and @file{gtp.h} are licensed under the following terms. | |
1246 | ||
1247 | Copyright 2001 by the Free Software Foundation. | |
1248 | ||
1249 | Permission is hereby granted, free of charge, to any person obtaining a copy | |
1250 | of this file @file{gtp.x}, to deal in the Software without restriction, | |
1251 | including without limitation the rights to use, copy, modify, merge, publish, | |
1252 | distribute, and/or sell copies of the Software, and to permit persons to whom | |
1253 | the Software is furnished to do so, provided that the above copyright | |
1254 | notice(s) and this permission notice appear in all copies of the Software and | |
1255 | that both the above copyright notice(s) and this permission notice appear in | |
1256 | supporting documentation. | |
1257 | ||
1258 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
1259 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
1260 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT | |
1261 | OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR | |
1262 | HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL | |
1263 | INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING | |
1264 | FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, | |
1265 | NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION | |
1266 | WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
1267 | ||
1268 | Except as contained in this notice, the name of a copyright holder | |
1269 | shall not be used in advertising or otherwise to promote the sale, use | |
1270 | or other dealings in this Software without prior written authorization | |
1271 | of the copyright holder. | |
1272 |