1+ GNU GENERAL PUBLIC LICENSE
2+ Version 1, February 1989
3+
4+ Copyright (C) 1989 Free Software Foundation, Inc.
5+ 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
6+
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 license agreements of most software companies try to keep users
13+ at the mercy of those companies. By contrast, our 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. The
16+ General Public License applies to the Free Software Foundation's
17+ software and to any other program whose authors commit to using it.
18+ You can use it for your programs, too.
19+
20+ When we speak of free software, we are referring to freedom, not
21+ price. Specifically, the General Public License is designed to make
22+ sure that you have the freedom to give away or sell copies of free
23+ software, that you receive source code or can get it if you want it,
24+ that you can change the software or use pieces of it in new free
25+ programs; and that you know you can do these things.
26+
27+ To protect your rights, we need to make restrictions that forbid
28+ anyone to deny you these rights or to ask you to surrender the rights.
29+ These restrictions translate to certain responsibilities for you if you
30+ distribute copies of the software, or if you modify it.
31+
32+ For example, if you distribute copies of a such a program, whether
33+ gratis or for a fee, you must give the recipients all the rights that
34+ you have. You must make sure that they, too, receive or can get the
35+ source code. And you must tell them their rights.
36+
37+ We protect your rights with two steps: (1) copyright the software, and
38+ (2) offer you this license which gives you legal permission to copy,
39+ distribute and/or modify the software.
40+
41+ Also, for each author's protection and ours, we want to make certain
42+ that everyone understands that there is no warranty for this free
43+ software. If the software is modified by someone else and passed on, we
44+ want its recipients to know that what they have is not the original, so
45+ that any problems introduced by others will not reflect on the original
46+ authors' reputations.
47+
48+ The precise terms and conditions for copying, distribution and
49+ modification follow.
50+
51+
52+ GNU GENERAL PUBLIC LICENSE
53+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
54+
55+ 0. This License Agreement applies to any program or other work which
56+ contains a notice placed by the copyright holder saying it may be
57+ distributed under the terms of this General Public License. The
58+ "Program", below, refers to any such program or work, and a "work based
59+ on the Program" means either the Program or any work containing the
60+ Program or a portion of it, either verbatim or with modifications. Each
61+ licensee is addressed as "you".
62+
63+ 1. You may copy and distribute verbatim copies of the Program's source
64+ code as you receive it, in any medium, provided that you conspicuously and
65+ appropriately publish on each copy an appropriate copyright notice and
66+ disclaimer of warranty; keep intact all the notices that refer to this
67+ General Public License and to the absence of any warranty; and give any
68+ other recipients of the Program a copy of this General Public License
69+ along with the Program. You may charge a fee for the physical act of
70+ transferring a copy.
71+
72+ 2. You may modify your copy or copies of the Program or any portion of
73+ it, and copy and distribute such modifications under the terms of Paragraph
74+ 1 above, provided that you also do the following:
75+
76+ a) cause the modified files to carry prominent notices stating that
77+ you changed the files and the date of any change; and
78+
79+ b) cause the whole of any work that you distribute or publish, that
80+ in whole or in part contains the Program or any part thereof, either
81+ with or without modifications, to be licensed at no charge to all
82+ third parties under the terms of this General Public License (except
83+ that you may choose to grant warranty protection to some or all
84+ third parties, at your option).
85+
86+ c) If the modified program normally reads commands interactively when
87+ run, you must cause it, when started running for such interactive use
88+ in the simplest and most usual way, to print or display an
89+ announcement including an appropriate copyright notice and a notice
90+ that there is no warranty (or else, saying that you provide a
91+ warranty) and that users may redistribute the program under these
92+ conditions, and telling the user how to view a copy of this General
93+ Public License.
94+
95+ d) You may charge a fee for the physical act of transferring a
96+ copy, and you may at your option offer warranty protection in
97+ exchange for a fee.
98+
99+ Mere aggregation of another independent work with the Program (or its
100+ derivative) on a volume of a storage or distribution medium does not bring
101+ the other work under the scope of these terms.
102+
103+
104+ 3. You may copy and distribute the Program (or a portion or derivative of
105+ it, under Paragraph 2) in object code or executable form under the terms of
106+ Paragraphs 1 and 2 above provided that you also do one of the following:
107+
108+ a) accompany it with the complete corresponding machine-readable
109+ source code, which must be distributed under the terms of
110+ Paragraphs 1 and 2 above; or,
111+
112+ b) accompany it with a written offer, valid for at least three
113+ years, to give any third party free (except for a nominal charge
114+ for the cost of distribution) a complete machine-readable copy of the
115+ corresponding source code, to be distributed under the terms of
116+ Paragraphs 1 and 2 above; or,
117+
118+ c) accompany it with the information you received as to where the
119+ corresponding source code may be obtained. (This alternative is
120+ allowed only for noncommercial distribution and only if you
121+ received the program in object code or executable form alone.)
122+
123+ Source code for a work means the preferred form of the work for making
124+ modifications to it. For an executable file, complete source code means
125+ all the source code for all modules it contains; but, as a special
126+ exception, it need not include source code for modules which are standard
127+ libraries that accompany the operating system on which the executable
128+ file runs, or for standard header files or definitions files that
129+ accompany that operating system.
130+
131+ 4. You may not copy, modify, sublicense, distribute or transfer the
132+ Program except as expressly provided under this General Public License.
133+ Any attempt otherwise to copy, modify, sublicense, distribute or transfer
134+ the Program is void, and will automatically terminate your rights to use
135+ the Program under this License. However, parties who have received
136+ copies, or rights to use copies, from you under this General Public
137+ License will not have their licenses terminated so long as such parties
138+ remain in full compliance.
139+
140+ 5. By copying, distributing or modifying the Program (or any work based
141+ on the Program) you indicate your acceptance of this license to do so,
142+ and all its terms and conditions.
143+
144+ 6. Each time you redistribute the Program (or any work based on the
145+ Program), the recipient automatically receives a license from the original
146+ licensor to copy, distribute or modify the Program subject to these
147+ terms and conditions. You may not impose any further restrictions on the
148+ recipients' exercise of the rights granted herein.
149+
150+
151+ 7. The Free Software Foundation may publish revised and/or new versions
152+ of the General Public License from time to time. Such new versions will
153+ be similar in spirit to the present version, but may differ in detail to
154+ address new problems or concerns.
155+
156+ Each version is given a distinguishing version number. If the Program
157+ specifies a version number of the license which applies to it and "any
158+ later version", you have the option of following the terms and conditions
159+ either of that version or of any later version published by the Free
160+ Software Foundation. If the Program does not specify a version number of
161+ the license, you may choose any version ever published by the Free Software
162+ Foundation.
163+
164+ 8. If you wish to incorporate parts of the Program into other free
165+ programs whose distribution conditions are different, write to the author
166+ to ask for permission. For software which is copyrighted by the Free
167+ Software Foundation, write to the Free Software Foundation; we sometimes
168+ make exceptions for this. Our decision will be guided by the two goals
169+ of preserving the free status of all derivatives of our free software and
170+ of promoting the sharing and reuse of software generally.
171+
172+ NO WARRANTY
173+
174+ 9. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
175+ FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
176+ OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
177+ PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
178+ OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
179+ MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
180+ TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
181+ PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
182+ REPAIR OR CORRECTION.
183+
184+ 10. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
185+ WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
186+ REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
187+ INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
188+ OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
189+ TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
190+ YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
191+ PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
192+ POSSIBILITY OF SUCH DAMAGES.
193+
194+ END OF TERMS AND CONDITIONS
195+
196+
197+ Appendix: How to Apply These Terms to Your New Programs
198+
199+ If you develop a new program, and you want it to be of the greatest
200+ possible use to humanity, the best way to achieve this is to make it
201+ free software which everyone can redistribute and change under these
202+ terms.
203+
204+ To do so, attach the following notices to the program. It is safest to
205+ attach them to the start of each source file to most effectively convey
206+ the exclusion of warranty; and each file should have at least the
207+ "copyright" line and a pointer to where the full notice is found.
208+
209+ <one line to give the program's name and a brief idea of what it does.>
210+ Copyright (C) 19yy <name of author>
211+
212+ This program is free software; you can redistribute it and/or modify
213+ it under the terms of the GNU General Public License as published by
214+ the Free Software Foundation; either version 1, or (at your option)
215+ any later version.
216+
217+ This program is distributed in the hope that it will be useful,
218+ but WITHOUT ANY WARRANTY; without even the implied warranty of
219+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
220+ GNU General Public License for more details.
221+
222+ You should have received a copy of the GNU General Public License
223+ along with this program; if not, write to the Free Software
224+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
225+
226+
227+ Also add information on how to contact you by electronic and paper mail.
228+
229+ If the program is interactive, make it output a short notice like this
230+ when it starts in an interactive mode:
231+
232+ Gnomovision version 69, Copyright (C) 19xx name of author
233+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
234+ This is free software, and you are welcome to redistribute it
235+ under certain conditions; type `show c' for details.
236+
237+ The hypothetical commands `show w' and `show c' should show the
238+ appropriate parts of the General Public License. Of course, the
239+ commands you use may be called something other than `show w' and `show
240+ c'; they could even be mouse-clicks or menu items--whatever suits your
241+ program.
242+
243+ You should also get your employer (if you work as a programmer) or your
244+ school, if any, to sign a "copyright disclaimer" for the program, if
245+ necessary. Here a sample; alter the names:
246+
247+ Yoyodyne, Inc., hereby disclaims all copyright interest in the
248+ program `Gnomovision' (a program to direct compilers to make passes
249+ at assemblers) written by James Hacker.
250+
251+ <signature of Ty Coon>, 1 April 1989
252+ Ty Coon, President of Vice
253+
254+ That's all there is to it!
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