root/version_0/GNU

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Moved GNU license text from COPYING to GNU.

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3                     GNU GENERAL PUBLIC LICENSE
4                        Version 2, June 1991
5
6  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
7  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
8  Everyone is permitted to copy and distribute verbatim copies
9  of this license document, but changing it is not allowed.
10
11                             Preamble
12
13   The licenses for most software are designed to take away your
14  freedom to share and change it.  By contrast, the GNU General Public
15  License is intended to guarantee your freedom to share and change free
16  software--to make sure the software is free for all its users.  This
17  General Public License applies to most of the Free Software
18  Foundation's software and to any other program whose authors commit to
19  using it.  (Some other Free Software Foundation software is covered by
20  the GNU Lesser General Public License instead.)  You can apply it to
21  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  this service if you wish), that you receive source code or can get it
27  if you want it, that you can change the software or use pieces of it
28  in new free programs; and that you know you can do these things.
29
30   To protect your rights, we need to make restrictions that forbid
31  anyone to deny you these rights or to ask you to surrender the rights.
32  These restrictions translate to certain responsibilities for you if you
33  distribute copies of the software, or if you modify it.
34
35   For example, if you distribute copies of such a program, whether
36  gratis or for a fee, you must give the recipients all the rights that
37  you have.  You must make sure that they, too, receive or can get the
38  source code.  And you must show them these terms so they know their
39  rights.
40
41   We protect your rights with two steps: (1) copyright the software, and
42  (2) offer you this license which gives you legal permission to copy,
43  distribute and/or modify the software.
44
45   Also, for each author's protection and ours, we want to make certain
46  that everyone understands that there is no warranty for this free
47  software.  If the software is modified by someone else and passed on, we
48  want its recipients to know that what they have is not the original, so
49  that any problems introduced by others will not reflect on the original
50  authors' reputations.
51
52   Finally, any free program is threatened constantly by software
53  patents.  We wish to avoid the danger that redistributors of a free
54  program will individually obtain patent licenses, in effect making the
55  program proprietary.  To prevent this, we have made it clear that any
56  patent must be licensed for everyone's free use or not licensed at all.
57
58   The precise terms and conditions for copying, distribution and
59  modification follow.
60
61                     GNU GENERAL PUBLIC LICENSE
62    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
63
64   0. This License applies to any program or other work which contains
65  a notice placed by the copyright holder saying it may be distributed
66  under the terms of this General Public License.  The "Program", below,
67  refers to any such program or work, and a "work based on the Program"
68  means either the Program or any derivative work under copyright law:
69  that is to say, a work containing the Program or a portion of it,
70  either verbatim or with modifications and/or translated into another
71  language.  (Hereinafter, translation is included without limitation in
72  the term "modification".)  Each licensee is addressed as "you".
73
74  Activities other than copying, distribution and modification are not
75  covered by this License; they are outside its scope.  The act of
76  running the Program is not restricted, and the output from the Program
77  is covered only if its contents constitute a work based on the
78  Program (independent of having been made by running the Program).
79  Whether that is true depends on what the Program does.
80
81   1. You may copy and distribute verbatim copies of the Program's
82  source code as you receive it, in any medium, provided that you
83  conspicuously and appropriately publish on each copy an appropriate
84  copyright notice and disclaimer of warranty; keep intact all the
85  notices that refer to this License and to the absence of any warranty;
86  and give any other recipients of the Program a copy of this License
87  along with the Program.
88
89  You may charge a fee for the physical act of transferring a copy, and
90  you may at your option offer warranty protection in exchange for a fee.
91
92   2. You may modify your copy or copies of the Program or any portion
93  of it, thus forming a work based on the Program, and copy and
94  distribute such modifications or work under the terms of Section 1
95  above, provided that you also meet all of these conditions:
96
97     a) You must cause the modified files to carry prominent notices
98     stating that you changed the files and the date of any change.
99
100     b) You must cause any work that you distribute or publish, that in
101     whole or in part contains or is derived from the Program or any
102     part thereof, to be licensed as a whole at no charge to all third
103     parties under the terms of this License.
104
105     c) If the modified program normally reads commands interactively
106     when run, you must cause it, when started running for such
107     interactive use in the most ordinary way, to print or display an
108     announcement including an appropriate copyright notice and a
109     notice that there is no warranty (or else, saying that you provide
110     a warranty) and that users may redistribute the program under
111     these conditions, and telling the user how to view a copy of this
112     License.  (Exception: if the Program itself is interactive but
113     does not normally print such an announcement, your work based on
114     the Program is not required to print an announcement.)
115
116  These requirements apply to the modified work as a whole.  If
117  identifiable sections of that work are not derived from the Program,
118  and can be reasonably considered independent and separate works in
119  themselves, then this License, and its terms, do not apply to those
120  sections when you distribute them as separate works.  But when you
121  distribute the same sections as part of a whole which is a work based
122  on the Program, the distribution of the whole must be on the terms of
123  this License, whose permissions for other licensees extend to the
124  entire whole, and thus to each and every part regardless of who wrote it.
125
126  Thus, it is not the intent of this section to claim rights or contest
127  your rights to work written entirely by you; rather, the intent is to
128  exercise the right to control the distribution of derivative or
129  collective works based on the Program.
130
131  In addition, mere aggregation of another work not based on the Program
132  with the Program (or with a work based on the Program) on a volume of
133  a storage or distribution medium does not bring the other work under
134  the scope of this License.
135
136   3. You may copy and distribute the Program (or a work based on it,
137  under Section 2) in object code or executable form under the terms of
138  Sections 1 and 2 above provided that you also do one of the following:
139
140     a) Accompany it with the complete corresponding machine-readable
141     source code, which must be distributed under the terms of Sections
142     1 and 2 above on a medium customarily used for software interchange; or,
143
144     b) Accompany it with a written offer, valid for at least three
145     years, to give any third party, for a charge no more than your
146     cost of physically performing source distribution, a complete
147     machine-readable copy of the corresponding source code, to be
148     distributed under the terms of Sections 1 and 2 above on a medium
149     customarily used for software interchange; or,
150
151     c) Accompany it with the information you received as to the offer
152     to distribute corresponding source code.  (This alternative is
153     allowed only for noncommercial distribution and only if you
154     received the program in object code or executable form with such
155     an offer, in accord with Subsection b above.)
156
157  The source code for a work means the preferred form of the work for
158  making modifications to it.  For an executable work, complete source
159  code means all the source code for all modules it contains, plus any
160  associated interface definition files, plus the scripts used to
161  control compilation and installation of the executable.  However, as a
162  special exception, the source code distributed need not include
163  anything that is normally distributed (in either source or binary
164  form) with the major components (compiler, kernel, and so on) of the
165  operating system on which the executable runs, unless that component
166  itself accompanies the executable.
167
168  If distribution of executable or object code is made by offering
169  access to copy from a designated place, then offering equivalent
170  access to copy the source code from the same place counts as
171  distribution of the source code, even though third parties are not
172  compelled to copy the source along with the object code.
173
174   4. You may not copy, modify, sublicense, or distribute the Program
175  except as expressly provided under this License.  Any attempt
176  otherwise to copy, modify, sublicense or distribute the Program is
177  void, and will automatically terminate your rights under this License.
178  However, parties who have received copies, or rights, from you under
179  this License will not have their licenses terminated so long as such
180  parties remain in full compliance.
181
182   5. You are not required to accept this License, since you have not
183  signed it.  However, nothing else grants you permission to modify or
184  distribute the Program or its derivative works.  These actions are
185  prohibited by law if you do not accept this License.  Therefore, by
186  modifying or distributing the Program (or any work based on the
187  Program), you indicate your acceptance of this License to do so, and
188  all its terms and conditions for copying, distributing or modifying
189  the Program or works based on it.
190
191   6. Each time you redistribute the Program (or any work based on the
192  Program), the recipient automatically receives a license from the
193  original licensor to copy, distribute or modify the Program subject to
194  these terms and conditions.  You may not impose any further
195  restrictions on the recipients' exercise of the rights granted herein.
196  You are not responsible for enforcing compliance by third parties to
197  this License.
198
199   7. If, as a consequence of a court judgment or allegation of patent
200  infringement or for any other reason (not limited to patent issues),
201  conditions are imposed on you (whether by court order, agreement or
202  otherwise) that contradict the conditions of this License, they do not
203  excuse you from the conditions of this License.  If you cannot
204  distribute so as to satisfy simultaneously your obligations under this
205  License and any other pertinent obligations, then as a consequence you
206  may not distribute the Program at all.  For example, if a patent
207  license would not permit royalty-free redistribution of the Program by
208  all those who receive copies directly or indirectly through you, then
209  the only way you could satisfy both it and this License would be to
210  refrain entirely from distribution of the Program.
211
212  If any portion of this section is held invalid or unenforceable under
213  any particular circumstance, the balance of the section is intended to
214  apply and the section as a whole is intended to apply in other
215  circumstances.
216
217  It is not the purpose of this section to induce you to infringe any
218  patents or other property right claims or to contest validity of any
219  such claims; this section has the sole purpose of protecting the
220  integrity of the free software distribution system, which is
221  implemented by public license practices.  Many people have made
222  generous contributions to the wide range of software distributed
223  through that system in reliance on consistent application of that
224  system; it is up to the author/donor to decide if he or she is willing
225  to distribute software through any other system and a licensee cannot
226  impose that choice.
227
228  This section is intended to make thoroughly clear what is believed to
229  be a consequence of the rest of this License.
230
231   8. If the distribution and/or use of the Program is restricted in
232  certain countries either by patents or by copyrighted interfaces, the
233  original copyright holder who places the Program under this License
234  may add an explicit geographical distribution limitation excluding
235  those countries, so that distribution is permitted only in or among
236  countries not thus excluded.  In such case, this License incorporates
237  the limitation as if written in the body of this License.
238
239   9. The Free Software Foundation may publish revised and/or new versions
240  of the General Public License from time to time.  Such new versions will
241  be similar in spirit to the present version, but may differ in detail to
242  address new problems or concerns.
243
244  Each version is given a distinguishing version number.  If the Program
245  specifies a version number of this License which applies to it and "any
246  later version", you have the option of following the terms and conditions
247  either of that version or of any later version published by the Free
248  Software Foundation.  If the Program does not specify a version number of
249  this License, you may choose any version ever published by the Free Software
250  Foundation.
251
252   10. If you wish to incorporate parts of the Program into other free
253  programs whose distribution conditions are different, write to the author
254  to ask for permission.  For software which is copyrighted by the Free
255  Software Foundation, write to the Free Software Foundation; we sometimes
256  make exceptions for this.  Our decision will be guided by the two goals
257  of preserving the free status of all derivatives of our free software and
258  of promoting the sharing and reuse of software generally.
259
260                             NO WARRANTY
261
262   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
263  FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
264  OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
265  PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
266  OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
267  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
268  TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
269  PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
270  REPAIR OR CORRECTION.
271
272   12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
273  WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
274  REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
275  INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
276  OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
277  TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
278  YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
279  PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
280  POSSIBILITY OF SUCH DAMAGES.
281
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