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Revision: 1.8
Committed: Thu Aug 7 17:54:26 2008 UTC (16 years, 2 months ago) by pcg
Branch: MAIN
CVS Tags: rel-2_2, rel-2_21, rel-2_22
Changes since 1.7: +619 -283 lines
Log Message:
update to gplv3, finally

File Contents

# User Rev Content
1 pcg 1.8
2 pcg 1.1 GNU GENERAL PUBLIC LICENSE
3 pcg 1.8 Version 3, 29 June 2007
4 pcg 1.1
5 pcg 1.8 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
6 pcg 1.1 Everyone is permitted to copy and distribute verbatim copies
7     of this license document, but changing it is not allowed.
8    
9     Preamble
10    
11 pcg 1.8 The GNU General Public License is a free, copyleft license for
12     software and other kinds of works.
13    
14     The licenses for most software and other practical works are designed
15     to take away your freedom to share and change the works. By contrast,
16     the GNU General Public License is intended to guarantee your freedom to
17     share and change all versions of a program--to make sure it remains free
18     software for all its users. We, the Free Software Foundation, use the
19     GNU General Public License for most of our software; it applies also to
20     any other work released this way by its authors. You can apply it to
21 pcg 1.1 your programs, too.
22    
23     When we speak of free software, we are referring to freedom, not
24     price. Our General Public Licenses are designed to make sure that you
25     have the freedom to distribute copies of free software (and charge for
26 pcg 1.8 them if you wish), that you receive source code or can get it if you
27     want it, that you can change the software or use pieces of it in new
28     free programs, and that you know you can do these things.
29    
30     To protect your rights, we need to prevent others from denying you
31     these rights or asking you to surrender the rights. Therefore, you have
32     certain responsibilities if you distribute copies of the software, or if
33     you modify it: responsibilities to respect the freedom of others.
34 pcg 1.1
35     For example, if you distribute copies of such a program, whether
36 pcg 1.8 gratis or for a fee, you must pass on to the recipients the same
37     freedoms that you received. You must make sure that they, too, receive
38     or can get the source code. And you must show them these terms so they
39     know their rights.
40    
41     Developers that use the GNU GPL protect your rights with two steps:
42     (1) assert copyright on the software, and (2) offer you this License
43     giving you legal permission to copy, distribute and/or modify it.
44    
45     For the developers' and authors' protection, the GPL clearly explains
46     that there is no warranty for this free software. For both users' and
47     authors' sake, the GPL requires that modified versions be marked as
48     changed, so that their problems will not be attributed erroneously to
49     authors of previous versions.
50    
51     Some devices are designed to deny users access to install or run
52     modified versions of the software inside them, although the manufacturer
53     can do so. This is fundamentally incompatible with the aim of
54     protecting users' freedom to change the software. The systematic
55     pattern of such abuse occurs in the area of products for individuals to
56     use, which is precisely where it is most unacceptable. Therefore, we
57     have designed this version of the GPL to prohibit the practice for those
58     products. If such problems arise substantially in other domains, we
59     stand ready to extend this provision to those domains in future versions
60     of the GPL, as needed to protect the freedom of users.
61    
62     Finally, every program is threatened constantly by software patents.
63     States should not allow patents to restrict development and use of
64     software on general-purpose computers, but in those that do, we wish to
65     avoid the special danger that patents applied to a free program could
66     make it effectively proprietary. To prevent this, the GPL assures that
67     patents cannot be used to render the program non-free.
68 pcg 1.1
69     The precise terms and conditions for copying, distribution and
70     modification follow.
71    
72 pcg 1.8 TERMS AND CONDITIONS
73    
74     0. Definitions.
75    
76     "This License" refers to version 3 of the GNU General Public License.
77    
78     "Copyright" also means copyright-like laws that apply to other kinds of
79     works, such as semiconductor masks.
80    
81     "The Program" refers to any copyrightable work licensed under this
82     License. Each licensee is addressed as "you". "Licensees" and
83     "recipients" may be individuals or organizations.
84    
85     To "modify" a work means to copy from or adapt all or part of the work
86     in a fashion requiring copyright permission, other than the making of an
87     exact copy. The resulting work is called a "modified version" of the
88     earlier work or a work "based on" the earlier work.
89    
90     A "covered work" means either the unmodified Program or a work based
91     on the Program.
92    
93     To "propagate" a work means to do anything with it that, without
94     permission, would make you directly or secondarily liable for
95     infringement under applicable copyright law, except executing it on a
96     computer or modifying a private copy. Propagation includes copying,
97     distribution (with or without modification), making available to the
98     public, and in some countries other activities as well.
99    
100     To "convey" a work means any kind of propagation that enables other
101     parties to make or receive copies. Mere interaction with a user through
102     a computer network, with no transfer of a copy, is not conveying.
103    
104     An interactive user interface displays "Appropriate Legal Notices"
105     to the extent that it includes a convenient and prominently visible
106     feature that (1) displays an appropriate copyright notice, and (2)
107     tells the user that there is no warranty for the work (except to the
108     extent that warranties are provided), that licensees may convey the
109     work under this License, and how to view a copy of this License. If
110     the interface presents a list of user commands or options, such as a
111     menu, a prominent item in the list meets this criterion.
112    
113     1. Source Code.
114    
115     The "source code" for a work means the preferred form of the work
116     for making modifications to it. "Object code" means any non-source
117     form of a work.
118    
119     A "Standard Interface" means an interface that either is an official
120     standard defined by a recognized standards body, or, in the case of
121     interfaces specified for a particular programming language, one that
122     is widely used among developers working in that language.
123    
124     The "System Libraries" of an executable work include anything, other
125     than the work as a whole, that (a) is included in the normal form of
126     packaging a Major Component, but which is not part of that Major
127     Component, and (b) serves only to enable use of the work with that
128     Major Component, or to implement a Standard Interface for which an
129     implementation is available to the public in source code form. A
130     "Major Component", in this context, means a major essential component
131     (kernel, window system, and so on) of the specific operating system
132     (if any) on which the executable work runs, or a compiler used to
133     produce the work, or an object code interpreter used to run it.
134    
135     The "Corresponding Source" for a work in object code form means all
136     the source code needed to generate, install, and (for an executable
137     work) run the object code and to modify the work, including scripts to
138     control those activities. However, it does not include the work's
139     System Libraries, or general-purpose tools or generally available free
140     programs which are used unmodified in performing those activities but
141     which are not part of the work. For example, Corresponding Source
142     includes interface definition files associated with source files for
143     the work, and the source code for shared libraries and dynamically
144     linked subprograms that the work is specifically designed to require,
145     such as by intimate data communication or control flow between those
146     subprograms and other parts of the work.
147    
148     The Corresponding Source need not include anything that users
149     can regenerate automatically from other parts of the Corresponding
150     Source.
151    
152     The Corresponding Source for a work in source code form is that
153     same work.
154    
155     2. Basic Permissions.
156    
157     All rights granted under this License are granted for the term of
158     copyright on the Program, and are irrevocable provided the stated
159     conditions are met. This License explicitly affirms your unlimited
160     permission to run the unmodified Program. The output from running a
161     covered work is covered by this License only if the output, given its
162     content, constitutes a covered work. This License acknowledges your
163     rights of fair use or other equivalent, as provided by copyright law.
164    
165     You may make, run and propagate covered works that you do not
166     convey, without conditions so long as your license otherwise remains
167     in force. You may convey covered works to others for the sole purpose
168     of having them make modifications exclusively for you, or provide you
169     with facilities for running those works, provided that you comply with
170     the terms of this License in conveying all material for which you do
171     not control copyright. Those thus making or running the covered works
172     for you must do so exclusively on your behalf, under your direction
173     and control, on terms that prohibit them from making any copies of
174     your copyrighted material outside their relationship with you.
175    
176     Conveying under any other circumstances is permitted solely under
177     the conditions stated below. Sublicensing is not allowed; section 10
178     makes it unnecessary.
179    
180     3. Protecting Users' Legal Rights From Anti-Circumvention Law.
181    
182     No covered work shall be deemed part of an effective technological
183     measure under any applicable law fulfilling obligations under article
184     11 of the WIPO copyright treaty adopted on 20 December 1996, or
185     similar laws prohibiting or restricting circumvention of such
186     measures.
187    
188     When you convey a covered work, you waive any legal power to forbid
189     circumvention of technological measures to the extent such circumvention
190     is effected by exercising rights under this License with respect to
191     the covered work, and you disclaim any intention to limit operation or
192     modification of the work as a means of enforcing, against the work's
193     users, your or third parties' legal rights to forbid circumvention of
194     technological measures.
195    
196     4. Conveying Verbatim Copies.
197    
198     You may convey verbatim copies of the Program's source code as you
199     receive it, in any medium, provided that you conspicuously and
200     appropriately publish on each copy an appropriate copyright notice;
201     keep intact all notices stating that this License and any
202     non-permissive terms added in accord with section 7 apply to the code;
203     keep intact all notices of the absence of any warranty; and give all
204     recipients a copy of this License along with the Program.
205    
206     You may charge any price or no price for each copy that you convey,
207     and you may offer support or warranty protection for a fee.
208    
209     5. Conveying Modified Source Versions.
210    
211     You may convey a work based on the Program, or the modifications to
212     produce it from the Program, in the form of source code under the
213     terms of section 4, provided that you also meet all of these conditions:
214    
215     a) The work must carry prominent notices stating that you modified
216     it, and giving a relevant date.
217    
218     b) The work must carry prominent notices stating that it is
219     released under this License and any conditions added under section
220     7. This requirement modifies the requirement in section 4 to
221     "keep intact all notices".
222    
223     c) You must license the entire work, as a whole, under this
224     License to anyone who comes into possession of a copy. This
225     License will therefore apply, along with any applicable section 7
226     additional terms, to the whole of the work, and all its parts,
227     regardless of how they are packaged. This License gives no
228     permission to license the work in any other way, but it does not
229     invalidate such permission if you have separately received it.
230    
231     d) If the work has interactive user interfaces, each must display
232     Appropriate Legal Notices; however, if the Program has interactive
233     interfaces that do not display Appropriate Legal Notices, your
234     work need not make them do so.
235    
236     A compilation of a covered work with other separate and independent
237     works, which are not by their nature extensions of the covered work,
238     and which are not combined with it such as to form a larger program,
239     in or on a volume of a storage or distribution medium, is called an
240     "aggregate" if the compilation and its resulting copyright are not
241     used to limit the access or legal rights of the compilation's users
242     beyond what the individual works permit. Inclusion of a covered work
243     in an aggregate does not cause this License to apply to the other
244     parts of the aggregate.
245    
246     6. Conveying Non-Source Forms.
247    
248     You may convey a covered work in object code form under the terms
249     of sections 4 and 5, provided that you also convey the
250     machine-readable Corresponding Source under the terms of this License,
251     in one of these ways:
252    
253     a) Convey the object code in, or embodied in, a physical product
254     (including a physical distribution medium), accompanied by the
255     Corresponding Source fixed on a durable physical medium
256     customarily used for software interchange.
257    
258     b) Convey the object code in, or embodied in, a physical product
259     (including a physical distribution medium), accompanied by a
260     written offer, valid for at least three years and valid for as
261     long as you offer spare parts or customer support for that product
262     model, to give anyone who possesses the object code either (1) a
263     copy of the Corresponding Source for all the software in the
264     product that is covered by this License, on a durable physical
265     medium customarily used for software interchange, for a price no
266     more than your reasonable cost of physically performing this
267     conveying of source, or (2) access to copy the
268     Corresponding Source from a network server at no charge.
269    
270     c) Convey individual copies of the object code with a copy of the
271     written offer to provide the Corresponding Source. This
272     alternative is allowed only occasionally and noncommercially, and
273     only if you received the object code with such an offer, in accord
274     with subsection 6b.
275    
276     d) Convey the object code by offering access from a designated
277     place (gratis or for a charge), and offer equivalent access to the
278     Corresponding Source in the same way through the same place at no
279     further charge. You need not require recipients to copy the
280     Corresponding Source along with the object code. If the place to
281     copy the object code is a network server, the Corresponding Source
282     may be on a different server (operated by you or a third party)
283     that supports equivalent copying facilities, provided you maintain
284     clear directions next to the object code saying where to find the
285     Corresponding Source. Regardless of what server hosts the
286     Corresponding Source, you remain obligated to ensure that it is
287     available for as long as needed to satisfy these requirements.
288    
289     e) Convey the object code using peer-to-peer transmission, provided
290     you inform other peers where the object code and Corresponding
291     Source of the work are being offered to the general public at no
292     charge under subsection 6d.
293    
294     A separable portion of the object code, whose source code is excluded
295     from the Corresponding Source as a System Library, need not be
296     included in conveying the object code work.
297    
298     A "User Product" is either (1) a "consumer product", which means any
299     tangible personal property which is normally used for personal, family,
300     or household purposes, or (2) anything designed or sold for incorporation
301     into a dwelling. In determining whether a product is a consumer product,
302     doubtful cases shall be resolved in favor of coverage. For a particular
303     product received by a particular user, "normally used" refers to a
304     typical or common use of that class of product, regardless of the status
305     of the particular user or of the way in which the particular user
306     actually uses, or expects or is expected to use, the product. A product
307     is a consumer product regardless of whether the product has substantial
308     commercial, industrial or non-consumer uses, unless such uses represent
309     the only significant mode of use of the product.
310    
311     "Installation Information" for a User Product means any methods,
312     procedures, authorization keys, or other information required to install
313     and execute modified versions of a covered work in that User Product from
314     a modified version of its Corresponding Source. The information must
315     suffice to ensure that the continued functioning of the modified object
316     code is in no case prevented or interfered with solely because
317     modification has been made.
318    
319     If you convey an object code work under this section in, or with, or
320     specifically for use in, a User Product, and the conveying occurs as
321     part of a transaction in which the right of possession and use of the
322     User Product is transferred to the recipient in perpetuity or for a
323     fixed term (regardless of how the transaction is characterized), the
324     Corresponding Source conveyed under this section must be accompanied
325     by the Installation Information. But this requirement does not apply
326     if neither you nor any third party retains the ability to install
327     modified object code on the User Product (for example, the work has
328     been installed in ROM).
329    
330     The requirement to provide Installation Information does not include a
331     requirement to continue to provide support service, warranty, or updates
332     for a work that has been modified or installed by the recipient, or for
333     the User Product in which it has been modified or installed. Access to a
334     network may be denied when the modification itself materially and
335     adversely affects the operation of the network or violates the rules and
336     protocols for communication across the network.
337    
338     Corresponding Source conveyed, and Installation Information provided,
339     in accord with this section must be in a format that is publicly
340     documented (and with an implementation available to the public in
341     source code form), and must require no special password or key for
342     unpacking, reading or copying.
343    
344     7. Additional Terms.
345    
346     "Additional permissions" are terms that supplement the terms of this
347     License by making exceptions from one or more of its conditions.
348     Additional permissions that are applicable to the entire Program shall
349     be treated as though they were included in this License, to the extent
350     that they are valid under applicable law. If additional permissions
351     apply only to part of the Program, that part may be used separately
352     under those permissions, but the entire Program remains governed by
353     this License without regard to the additional permissions.
354    
355     When you convey a copy of a covered work, you may at your option
356     remove any additional permissions from that copy, or from any part of
357     it. (Additional permissions may be written to require their own
358     removal in certain cases when you modify the work.) You may place
359     additional permissions on material, added by you to a covered work,
360     for which you have or can give appropriate copyright permission.
361    
362     Notwithstanding any other provision of this License, for material you
363     add to a covered work, you may (if authorized by the copyright holders of
364     that material) supplement the terms of this License with terms:
365    
366     a) Disclaiming warranty or limiting liability differently from the
367     terms of sections 15 and 16 of this License; or
368    
369     b) Requiring preservation of specified reasonable legal notices or
370     author attributions in that material or in the Appropriate Legal
371     Notices displayed by works containing it; or
372    
373     c) Prohibiting misrepresentation of the origin of that material, or
374     requiring that modified versions of such material be marked in
375     reasonable ways as different from the original version; or
376    
377     d) Limiting the use for publicity purposes of names of licensors or
378     authors of the material; or
379    
380     e) Declining to grant rights under trademark law for use of some
381     trade names, trademarks, or service marks; or
382    
383     f) Requiring indemnification of licensors and authors of that
384     material by anyone who conveys the material (or modified versions of
385     it) with contractual assumptions of liability to the recipient, for
386     any liability that these contractual assumptions directly impose on
387     those licensors and authors.
388    
389     All other non-permissive additional terms are considered "further
390     restrictions" within the meaning of section 10. If the Program as you
391     received it, or any part of it, contains a notice stating that it is
392     governed by this License along with a term that is a further
393     restriction, you may remove that term. If a license document contains
394     a further restriction but permits relicensing or conveying under this
395     License, you may add to a covered work material governed by the terms
396     of that license document, provided that the further restriction does
397     not survive such relicensing or conveying.
398    
399     If you add terms to a covered work in accord with this section, you
400     must place, in the relevant source files, a statement of the
401     additional terms that apply to those files, or a notice indicating
402     where to find the applicable terms.
403    
404     Additional terms, permissive or non-permissive, may be stated in the
405     form of a separately written license, or stated as exceptions;
406     the above requirements apply either way.
407    
408     8. Termination.
409    
410     You may not propagate or modify a covered work except as expressly
411     provided under this License. Any attempt otherwise to propagate or
412     modify it is void, and will automatically terminate your rights under
413     this License (including any patent licenses granted under the third
414     paragraph of section 11).
415    
416     However, if you cease all violation of this License, then your
417     license from a particular copyright holder is reinstated (a)
418     provisionally, unless and until the copyright holder explicitly and
419     finally terminates your license, and (b) permanently, if the copyright
420     holder fails to notify you of the violation by some reasonable means
421     prior to 60 days after the cessation.
422    
423     Moreover, your license from a particular copyright holder is
424     reinstated permanently if the copyright holder notifies you of the
425     violation by some reasonable means, this is the first time you have
426     received notice of violation of this License (for any work) from that
427     copyright holder, and you cure the violation prior to 30 days after
428     your receipt of the notice.
429    
430     Termination of your rights under this section does not terminate the
431     licenses of parties who have received copies or rights from you under
432     this License. If your rights have been terminated and not permanently
433     reinstated, you do not qualify to receive new licenses for the same
434     material under section 10.
435    
436     9. Acceptance Not Required for Having Copies.
437    
438     You are not required to accept this License in order to receive or
439     run a copy of the Program. Ancillary propagation of a covered work
440     occurring solely as a consequence of using peer-to-peer transmission
441     to receive a copy likewise does not require acceptance. However,
442     nothing other than this License grants you permission to propagate or
443     modify any covered work. These actions infringe copyright if you do
444     not accept this License. Therefore, by modifying or propagating a
445     covered work, you indicate your acceptance of this License to do so.
446    
447     10. Automatic Licensing of Downstream Recipients.
448    
449     Each time you convey a covered work, the recipient automatically
450     receives a license from the original licensors, to run, modify and
451     propagate that work, subject to this License. You are not responsible
452     for enforcing compliance by third parties with this License.
453    
454     An "entity transaction" is a transaction transferring control of an
455     organization, or substantially all assets of one, or subdividing an
456     organization, or merging organizations. If propagation of a covered
457     work results from an entity transaction, each party to that
458     transaction who receives a copy of the work also receives whatever
459     licenses to the work the party's predecessor in interest had or could
460     give under the previous paragraph, plus a right to possession of the
461     Corresponding Source of the work from the predecessor in interest, if
462     the predecessor has it or can get it with reasonable efforts.
463    
464     You may not impose any further restrictions on the exercise of the
465     rights granted or affirmed under this License. For example, you may
466     not impose a license fee, royalty, or other charge for exercise of
467     rights granted under this License, and you may not initiate litigation
468     (including a cross-claim or counterclaim in a lawsuit) alleging that
469     any patent claim is infringed by making, using, selling, offering for
470     sale, or importing the Program or any portion of it.
471    
472     11. Patents.
473    
474     A "contributor" is a copyright holder who authorizes use under this
475     License of the Program or a work on which the Program is based. The
476     work thus licensed is called the contributor's "contributor version".
477    
478     A contributor's "essential patent claims" are all patent claims
479     owned or controlled by the contributor, whether already acquired or
480     hereafter acquired, that would be infringed by some manner, permitted
481     by this License, of making, using, or selling its contributor version,
482     but do not include claims that would be infringed only as a
483     consequence of further modification of the contributor version. For
484     purposes of this definition, "control" includes the right to grant
485     patent sublicenses in a manner consistent with the requirements of
486 pcg 1.1 this License.
487    
488 pcg 1.8 Each contributor grants you a non-exclusive, worldwide, royalty-free
489     patent license under the contributor's essential patent claims, to
490     make, use, sell, offer for sale, import and otherwise run, modify and
491     propagate the contents of its contributor version.
492    
493     In the following three paragraphs, a "patent license" is any express
494     agreement or commitment, however denominated, not to enforce a patent
495     (such as an express permission to practice a patent or covenant not to
496     sue for patent infringement). To "grant" such a patent license to a
497     party means to make such an agreement or commitment not to enforce a
498     patent against the party.
499    
500     If you convey a covered work, knowingly relying on a patent license,
501     and the Corresponding Source of the work is not available for anyone
502     to copy, free of charge and under the terms of this License, through a
503     publicly available network server or other readily accessible means,
504     then you must either (1) cause the Corresponding Source to be so
505     available, or (2) arrange to deprive yourself of the benefit of the
506     patent license for this particular work, or (3) arrange, in a manner
507     consistent with the requirements of this License, to extend the patent
508     license to downstream recipients. "Knowingly relying" means you have
509     actual knowledge that, but for the patent license, your conveying the
510     covered work in a country, or your recipient's use of the covered work
511     in a country, would infringe one or more identifiable patents in that
512     country that you have reason to believe are valid.
513    
514     If, pursuant to or in connection with a single transaction or
515     arrangement, you convey, or propagate by procuring conveyance of, a
516     covered work, and grant a patent license to some of the parties
517     receiving the covered work authorizing them to use, propagate, modify
518     or convey a specific copy of the covered work, then the patent license
519     you grant is automatically extended to all recipients of the covered
520     work and works based on it.
521    
522     A patent license is "discriminatory" if it does not include within
523     the scope of its coverage, prohibits the exercise of, or is
524     conditioned on the non-exercise of one or more of the rights that are
525     specifically granted under this License. You may not convey a covered
526     work if you are a party to an arrangement with a third party that is
527     in the business of distributing software, under which you make payment
528     to the third party based on the extent of your activity of conveying
529     the work, and under which the third party grants, to any of the
530     parties who would receive the covered work from you, a discriminatory
531     patent license (a) in connection with copies of the covered work
532     conveyed by you (or copies made from those copies), or (b) primarily
533     for and in connection with specific products or compilations that
534     contain the covered work, unless you entered into that arrangement,
535     or that patent license was granted, prior to 28 March 2007.
536    
537     Nothing in this License shall be construed as excluding or limiting
538     any implied license or other defenses to infringement that may
539     otherwise be available to you under applicable patent law.
540    
541     12. No Surrender of Others' Freedom.
542    
543     If conditions are imposed on you (whether by court order, agreement or
544 pcg 1.1 otherwise) that contradict the conditions of this License, they do not
545 pcg 1.8 excuse you from the conditions of this License. If you cannot convey a
546     covered work so as to satisfy simultaneously your obligations under this
547     License and any other pertinent obligations, then as a consequence you may
548     not convey it at all. For example, if you agree to terms that obligate you
549     to collect a royalty for further conveying from those to whom you convey
550     the Program, the only way you could satisfy both those terms and this
551     License would be to refrain entirely from conveying the Program.
552    
553     13. Use with the GNU Affero General Public License.
554    
555     Notwithstanding any other provision of this License, you have
556     permission to link or combine any covered work with a work licensed
557     under version 3 of the GNU Affero General Public License into a single
558     combined work, and to convey the resulting work. The terms of this
559     License will continue to apply to the part which is the covered work,
560     but the special requirements of the GNU Affero General Public License,
561     section 13, concerning interaction through a network will apply to the
562     combination as such.
563    
564     14. Revised Versions of this License.
565 pcg 1.1
566 pcg 1.8 The Free Software Foundation may publish revised and/or new versions of
567     the GNU General Public License from time to time. Such new versions will
568 pcg 1.1 be similar in spirit to the present version, but may differ in detail to
569     address new problems or concerns.
570    
571 pcg 1.8 Each version is given a distinguishing version number. If the
572     Program specifies that a certain numbered version of the GNU General
573     Public License "or any later version" applies to it, you have the
574     option of following the terms and conditions either of that numbered
575     version or of any later version published by the Free Software
576     Foundation. If the Program does not specify a version number of the
577     GNU General Public License, you may choose any version ever published
578     by the Free Software Foundation.
579    
580     If the Program specifies that a proxy can decide which future
581     versions of the GNU General Public License can be used, that proxy's
582     public statement of acceptance of a version permanently authorizes you
583     to choose that version for the Program.
584    
585     Later license versions may give you additional or different
586     permissions. However, no additional obligations are imposed on any
587     author or copyright holder as a result of your choosing to follow a
588     later version.
589    
590     15. Disclaimer of Warranty.
591    
592     THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
593     APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
594     HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
595     OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
596     THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
597     PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
598     IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
599     ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
600    
601     16. Limitation of Liability.
602    
603     IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
604     WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
605     THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
606     GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
607     USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
608     DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
609     PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
610     EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
611     SUCH DAMAGES.
612    
613     17. Interpretation of Sections 15 and 16.
614    
615     If the disclaimer of warranty and limitation of liability provided
616     above cannot be given local legal effect according to their terms,
617     reviewing courts shall apply local law that most closely approximates
618     an absolute waiver of all civil liability in connection with the
619     Program, unless a warranty or assumption of liability accompanies a
620     copy of the Program in return for a fee.
621 pcg 1.1
622     END OF TERMS AND CONDITIONS
623 pcg 1.8
624 pcg 1.2 How to Apply These Terms to Your New Programs
625 pcg 1.1
626     If you develop a new program, and you want it to be of the greatest
627     possible use to the public, the best way to achieve this is to make it
628     free software which everyone can redistribute and change under these terms.
629    
630     To do so, attach the following notices to the program. It is safest
631     to attach them to the start of each source file to most effectively
632 pcg 1.8 state the exclusion of warranty; and each file should have at least
633 pcg 1.1 the "copyright" line and a pointer to where the full notice is found.
634    
635     <one line to give the program's name and a brief idea of what it does.>
636 pcg 1.2 Copyright (C) <year> <name of author>
637 pcg 1.1
638 pcg 1.8 This program is free software: you can redistribute it and/or modify
639 pcg 1.1 it under the terms of the GNU General Public License as published by
640 pcg 1.8 the Free Software Foundation, either version 3 of the License, or
641 pcg 1.1 (at your option) any later version.
642    
643     This program is distributed in the hope that it will be useful,
644     but WITHOUT ANY WARRANTY; without even the implied warranty of
645     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
646     GNU General Public License for more details.
647    
648     You should have received a copy of the GNU General Public License
649 pcg 1.8 along with this program. If not, see <http://www.gnu.org/licenses/>.
650 pcg 1.1
651     Also add information on how to contact you by electronic and paper mail.
652    
653 pcg 1.8 If the program does terminal interaction, make it output a short
654     notice like this when it starts in an interactive mode:
655 pcg 1.1
656 pcg 1.8 <program> Copyright (C) <year> <name of author>
657     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
658 pcg 1.1 This is free software, and you are welcome to redistribute it
659     under certain conditions; type `show c' for details.
660    
661     The hypothetical commands `show w' and `show c' should show the appropriate
662 pcg 1.8 parts of the General Public License. Of course, your program's commands
663     might be different; for a GUI interface, you would use an "about box".
664    
665     You should also get your employer (if you work as a programmer) or school,
666     if any, to sign a "copyright disclaimer" for the program, if necessary.
667     For more information on this, and how to apply and follow the GNU GPL, see
668     <http://www.gnu.org/licenses/>.
669    
670     The GNU General Public License does not permit incorporating your program
671     into proprietary programs. If your program is a subroutine library, you
672     may consider it more useful to permit linking proprietary applications with
673     the library. If this is what you want to do, use the GNU Lesser General
674     Public License instead of this License. But first, please read
675     <http://www.gnu.org/philosophy/why-not-lgpl.html>.
676