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1
2 GNU GENERAL PUBLIC LICENSE
3 Version 2, June 1991
4
5 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
6 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
7 Everyone is permitted to copy and distribute verbatim copies
8 of this license document, but changing it is not allowed.
9
10 Preamble
11
12 The licenses for most software are designed to take away your
13 freedom to share and change it. By contrast, the GNU General Public
14 License is intended to guarantee your freedom to share and change free
15 software--to make sure the software is free for all its users. This
16 General Public License applies to most of the Free Software
17 Foundation's software and to any other program whose authors commit to
18 using it. (Some other Free Software Foundation software is covered by
19 the GNU Library General Public License instead.) You can apply it to
20 your programs, too.
21
22 When we speak of free software, we are referring to freedom, not
23 price. Our General Public Licenses are designed to make sure that you
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29 To protect your rights, we need to make restrictions that forbid
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40 We protect your rights with two steps: (1) copyright the software, and
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44 Also, for each author's protection and ours, we want to make certain
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59 \f
60 GNU GENERAL PUBLIC LICENSE
61 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
62
63 0. This License applies to any program or other work which contains
64 a notice placed by the copyright holder saying it may be distributed
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73 Activities other than copying, distribution and modification are not
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80 1. You may copy and distribute verbatim copies of the Program's
81 source code as you receive it, in any medium, provided that you
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114 \f
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172 \f
173 4. You may not copy, modify, sublicense, or distribute the Program
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229 \f
230 8. If the distribution and/or use of the Program is restricted in
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259 NO WARRANTY
260
261 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
262 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
263 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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269 REPAIR OR CORRECTION.
270
271 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
272 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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280
281 END OF TERMS AND CONDITIONS
282 \f
283 How to Apply These Terms to Your New Programs
284
285 If you develop a new program, and you want it to be of the greatest
286 possible use to the public, the best way to achieve this is to make it
287 free software which everyone can redistribute and change under these terms.
288
289 To do so, attach the following notices to the program. It is safest
290 to attach them to the start of each source file to most effectively
291 convey the exclusion of warranty; and each file should have at least
292 the "copyright" line and a pointer to where the full notice is found.
293
294 <one line to give the program's name and a brief idea of what it does.>
295 Copyright (C) <year> <name of author>
296
297 This program is free software; you can redistribute it and/or modify
298 it under the terms of the GNU General Public License as published by
299 the Free Software Foundation; either version 2 of the License, or
300 (at your option) any later version.
301
302 This program is distributed in the hope that it will be useful,
303 but WITHOUT ANY WARRANTY; without even the implied warranty of
304 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
305 GNU General Public License for more details.
306
307 You should have received a copy of the GNU General Public License
308 along with this program; if not, write to the Free Software
309 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
310
311
312 Also add information on how to contact you by electronic and paper mail.
313
314 If the program is interactive, make it output a short notice like this
315 when it starts in an interactive mode:
316
317 Gnomovision version 69, Copyright (C) year name of author
318 Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
319 This is free software, and you are welcome to redistribute it
320 under certain conditions; type `show c' for details.
321
322 The hypothetical commands `show w' and `show c' should show the appropriate
323 parts of the General Public License. Of course, the commands you use may
324 be called something other than `show w' and `show c'; they could even be
325 mouse-clicks or menu items--whatever suits your program.
326
327 You should also get your employer (if you work as a programmer) or your
328 school, if any, to sign a "copyright disclaimer" for the program, if
329 necessary. Here is a sample; alter the names:
330
331 Yoyodyne, Inc., hereby disclaims all copyright interest in the program
332 `Gnomovision' (which makes passes at compilers) written by James Hacker.
333
334 <signature of Ty Coon>, 1 April 1989
335 Ty Coon, President of Vice
336
337 This General Public License does not permit incorporating your program into
338 proprietary programs. If your program is a subroutine library, you may
339 consider it more useful to permit linking proprietary applications with the
340 library. If this is what you want to do, use the GNU Library General
341 Public License instead of this License.
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