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1.1 root 1: GNU GENERAL PUBLIC LICENSE
2: Version 1, February 1989
3:
4: Copyright (C) 1989 Free Software Foundation, Inc.
5: 675 Mass Ave, Cambridge, MA 02139, USA
6: 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: The license agreements of most software companies try to keep users
12: at the mercy of those companies. By contrast, our General Public
13: License is intended to guarantee your freedom to share and change free
14: software--to make sure the software is free for all its users. The
15: General Public License applies to the Free Software Foundation's
16: software and to any other program whose authors commit to using it.
17: You can use it for your programs, too.
18:
19: When we speak of free software, we are referring to freedom, not
20: price. Specifically, the General Public License is designed to make
21: sure that you have the freedom to give away or sell copies of free
22: software, that you receive source code or can get it if you want it,
23: that you can change the software or use pieces of it in new free
24: programs; and that you know you can do these things.
25:
26: To protect your rights, we need to make restrictions that forbid
27: anyone to deny you these rights or to ask you to surrender the rights.
28: These restrictions translate to certain responsibilities for you if you
29: distribute copies of the software, or if you modify it.
30:
31: For example, if you distribute copies of a such a program, whether
32: gratis or for a fee, you must give the recipients all the rights that
33: you have. You must make sure that they, too, receive or can get the
34: source code. And you must tell them their rights.
35:
36: We protect your rights with two steps: (1) copyright the software, and
37: (2) offer you this license which gives you legal permission to copy,
38: distribute and/or modify the software.
39:
40: Also, for each author's protection and ours, we want to make certain
41: that everyone understands that there is no warranty for this free
42: software. If the software is modified by someone else and passed on, we
43: want its recipients to know that what they have is not the original, so
44: that any problems introduced by others will not reflect on the original
45: authors' reputations.
46:
47: The precise terms and conditions for copying, distribution and
48: modification follow.
49:
50: GNU GENERAL PUBLIC LICENSE
51: TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
52:
53: 0. This License Agreement applies to any program or other work which
54: contains a notice placed by the copyright holder saying it may be
55: distributed under the terms of this General Public License. The
56: "Program", below, refers to any such program or work, and a "work based
57: on the Program" means either the Program or any work containing the
58: Program or a portion of it, either verbatim or with modifications. Each
59: licensee is addressed as "you".
60:
61: 1. You may copy and distribute verbatim copies of the Program's source
62: code as you receive it, in any medium, provided that you conspicuously and
63: appropriately publish on each copy an appropriate copyright notice and
64: disclaimer of warranty; keep intact all the notices that refer to this
65: General Public License and to the absence of any warranty; and give any
66: other recipients of the Program a copy of this General Public License
67: along with the Program. You may charge a fee for the physical act of
68: transferring a copy.
69:
70: 2. You may modify your copy or copies of the Program or any portion of
71: it, and copy and distribute such modifications under the terms of Paragraph
72: 1 above, provided that you also do the following:
73:
74: a) cause the modified files to carry prominent notices stating that
75: you changed the files and the date of any change; and
76:
77: b) cause the whole of any work that you distribute or publish, that
78: in whole or in part contains the Program or any part thereof, either
79: with or without modifications, to be licensed at no charge to all
80: third parties under the terms of this General Public License (except
81: that you may choose to grant warranty protection to some or all
82: third parties, at your option).
83:
84: c) If the modified program normally reads commands interactively when
85: run, you must cause it, when started running for such interactive use
86: in the simplest and most usual way, to print or display an
87: announcement including an appropriate copyright notice and a notice
88: that there is no warranty (or else, saying that you provide a
89: warranty) and that users may redistribute the program under these
90: conditions, and telling the user how to view a copy of this General
91: Public License.
92:
93: d) You may charge a fee for the physical act of transferring a
94: copy, and you may at your option offer warranty protection in
95: exchange for a fee.
96:
97: Mere aggregation of another independent work with the Program (or its
98: derivative) on a volume of a storage or distribution medium does not bring
99: the other work under the scope of these terms.
100:
101: 3. You may copy and distribute the Program (or a portion or derivative of
102: it, under Paragraph 2) in object code or executable form under the terms of
103: Paragraphs 1 and 2 above provided that you also do one of the following:
104:
105: a) accompany it with the complete corresponding machine-readable
106: source code, which must be distributed under the terms of
107: Paragraphs 1 and 2 above; or,
108:
109: b) accompany it with a written offer, valid for at least three
110: years, to give any third party free (except for a nominal charge
111: for the cost of distribution) a complete machine-readable copy of the
112: corresponding source code, to be distributed under the terms of
113: Paragraphs 1 and 2 above; or,
114:
115: c) accompany it with the information you received as to where the
116: corresponding source code may be obtained. (This alternative is
117: allowed only for noncommercial distribution and only if you
118: received the program in object code or executable form alone.)
119:
120: Source code for a work means the preferred form of the work for making
121: modifications to it. For an executable file, complete source code means
122: all the source code for all modules it contains; but, as a special
123: exception, it need not include source code for modules which are standard
124: libraries that accompany the operating system on which the executable
125: file runs, or for standard header files or definitions files that
126: accompany that operating system.
127:
128: 4. You may not copy, modify, sublicense, distribute or transfer the
129: Program except as expressly provided under this General Public License.
130: Any attempt otherwise to copy, modify, sublicense, distribute or transfer
131: the Program is void, and will automatically terminate your rights to use
132: the Program under this License. However, parties who have received
133: copies, or rights to use copies, from you under this General Public
134: License will not have their licenses terminated so long as such parties
135: remain in full compliance.
136:
137: 5. By copying, distributing or modifying the Program (or any work based
138: on the Program) you indicate your acceptance of this license to do so,
139: and all its terms and conditions.
140:
141: 6. Each time you redistribute the Program (or any work based on the
142: Program), the recipient automatically receives a license from the original
143: licensor to copy, distribute or modify the Program subject to these
144: terms and conditions. You may not impose any further restrictions on the
145: recipients' exercise of the rights granted herein.
146:
147: 7. The Free Software Foundation may publish revised and/or new versions
148: of the General Public License from time to time. Such new versions will
149: be similar in spirit to the present version, but may differ in detail to
150: address new problems or concerns.
151:
152: Each version is given a distinguishing version number. If the Program
153: specifies a version number of the license which applies to it and "any
154: later version", you have the option of following the terms and conditions
155: either of that version or of any later version published by the Free
156: Software Foundation. If the Program does not specify a version number of
157: the license, you may choose any version ever published by the Free Software
158: Foundation.
159:
160: 8. If you wish to incorporate parts of the Program into other free
161: programs whose distribution conditions are different, write to the author
162: to ask for permission. For software which is copyrighted by the Free
163: Software Foundation, write to the Free Software Foundation; we sometimes
164: make exceptions for this. Our decision will be guided by the two goals
165: of preserving the free status of all derivatives of our free software and
166: of promoting the sharing and reuse of software generally.
167:
168: NO WARRANTY
169:
170: 9. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
171: FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
172: OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
173: PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
174: OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
175: MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
176: TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
177: PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
178: REPAIR OR CORRECTION.
179:
180: 10. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
181: WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
182: REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
183: INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
184: OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
185: TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
186: YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
187: PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
188: POSSIBILITY OF SUCH DAMAGES.
189:
190: END OF TERMS AND CONDITIONS
191:
192: Appendix: How to Apply These Terms to Your New Programs
193:
194: If you develop a new program, and you want it to be of the greatest
195: possible use to humanity, the best way to achieve this is to make it
196: free software which everyone can redistribute and change under these
197: terms.
198:
199: To do so, attach the following notices to the program. It is safest to
200: attach them to the start of each source file to most effectively convey
201: the exclusion of warranty; and each file should have at least the
202: "copyright" line and a pointer to where the full notice is found.
203:
204: <one line to give the program's name and a brief idea of what it does.>
205: Copyright (C) 19yy <name of author>
206:
207: This program is free software; you can redistribute it and/or modify
208: it under the terms of the GNU General Public License as published by
209: the Free Software Foundation; either version 1, or (at your option)
210: any later version.
211:
212: This program is distributed in the hope that it will be useful,
213: but WITHOUT ANY WARRANTY; without even the implied warranty of
214: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
215: GNU General Public License for more details.
216:
217: You should have received a copy of the GNU General Public License
218: along with this program; if not, write to the Free Software
219: Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
220:
221: Also add information on how to contact you by electronic and paper mail.
222:
223: If the program is interactive, make it output a short notice like this
224: when it starts in an interactive mode:
225:
226: Gnomovision version 69, Copyright (C) 19xx name of author
227: Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
228: This is free software, and you are welcome to redistribute it
229: under certain conditions; type `show c' for details.
230:
231: The hypothetical commands `show w' and `show c' should show the
232: appropriate parts of the General Public License. Of course, the
233: commands you use may be called something other than `show w' and `show
234: c'; they could even be mouse-clicks or menu items--whatever suits your
235: program.
236:
237: You should also get your employer (if you work as a programmer) or your
238: school, if any, to sign a "copyright disclaimer" for the program, if
239: necessary. Here a sample; alter the names:
240:
241: Yoyodyne, Inc., hereby disclaims all copyright interest in the
242: program `Gnomovision' (a program to direct compilers to make passes
243: at assemblers) written by James Hacker.
244:
245: <signature of Ty Coon>, 1 April 1989
246: Ty Coon, President of Vice
247:
248: That's all there is to it!
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