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1Copyright (c) 2003 Greenstone Digital Libraries, University of Waikato
2
3Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, and distribute copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the GPL and the following conditions (where not in conflict with the GPL):
4
5The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software, as will all other notices contained in the copyrights directory.
6
7THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDER (Greenstone Digital Libraries, University of Waikato), OR THEIR STAFF BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
8
9Except as contained in this notice, the name of Greenstone Digital Libraries, University of Waikato shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from the Greenstone Digital Libraries, University of Waikato. Distributed under GPL, as follows:
10
11
12 GNU GENERAL PUBLIC LICENSE
13 Version 2, June 1991
14
15 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
16 675 Mass Ave, Cambridge, MA 02139, USA
17 Everyone is permitted to copy and distribute verbatim copies
18 of this license document, but changing it is not allowed.
19
20 Preamble
21
22 The licenses for most software are designed to take away your
23freedom to share and change it. By contrast, the GNU General Public
24License is intended to guarantee your freedom to share and change free
25software--to make sure the software is free for all its users. This
26General Public License applies to most of the Free Software
27Foundation's software and to any other program whose authors commit to
28using it. (Some other Free Software Foundation software is covered by
29the GNU Library General Public License instead.) You can apply it to
30your programs, too.
31
32 When we speak of free software, we are referring to freedom, not
33price. Our General Public Licenses are designed to make sure that you
34have the freedom to distribute copies of free software (and charge for
35this service if you wish), that you receive source code or can get it
36if you want it, that you can change the software or use pieces of it
37in new free programs; and that you know you can do these things.
38
39 To protect your rights, we need to make restrictions that forbid
40anyone to deny you these rights or to ask you to surrender the rights.
41These restrictions translate to certain responsibilities for you if you
42distribute copies of the software, or if you modify it.
43
44 For example, if you distribute copies of such a program, whether
45gratis or for a fee, you must give the recipients all the rights that
46you have. You must make sure that they, too, receive or can get the
47source code. And you must show them these terms so they know their
48rights.
49
50 We protect your rights with two steps: (1) copyright the software, and
51(2) offer you this license which gives you legal permission to copy,
52distribute and/or modify the software.
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54 Also, for each author's protection and ours, we want to make certain
55that everyone understands that there is no warranty for this free
56software. If the software is modified by someone else and passed on, we
57want its recipients to know that what they have is not the original, so
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60
61 Finally, any free program is threatened constantly by software
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66
67 The precise terms and conditions for copying, distribution and
68modification follow.
69
70 GNU GENERAL PUBLIC LICENSE
71 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
72
73 0. This License applies to any program or other work which contains
74a notice placed by the copyright holder saying it may be distributed
75under the terms of this General Public License. The "Program", below,
76refers to any such program or work, and a "work based on the Program"
77means either the Program or any derivative work under copyright law:
78that is to say, a work containing the Program or a portion of it,
79either verbatim or with modifications and/or translated into another
80language. (Hereinafter, translation is included without limitation in
81the term "modification".) Each licensee is addressed as "you".
82
83Activities other than copying, distribution and modification are not
84covered by this License; they are outside its scope. The act of
85running the Program is not restricted, and the output from the Program
86is covered only if its contents constitute a work based on the
87Program (independent of having been made by running the Program).
88Whether that is true depends on what the Program does.
89
90 1. You may copy and distribute verbatim copies of the Program's
91source code as you receive it, in any medium, provided that you
92conspicuously and appropriately publish on each copy an appropriate
93copyright notice and disclaimer of warranty; keep intact all the
94notices that refer to this License and to the absence of any warranty;
95and give any other recipients of the Program a copy of this License
96along with the Program.
97
98You may charge a fee for the physical act of transferring a copy, and
99you may at your option offer warranty protection in exchange for a fee.
100
101 2. You may modify your copy or copies of the Program or any portion
102of it, thus forming a work based on the Program, and copy and
103distribute such modifications or work under the terms of Section 1
104above, provided that you also meet all of these conditions:
105
106 a) You must cause the modified files to carry prominent notices
107 stating that you changed the files and the date of any change.
108
109 b) You must cause any work that you distribute or publish, that in
110 whole or in part contains or is derived from the Program or any
111 part thereof, to be licensed as a whole at no charge to all third
112 parties under the terms of this License.
113
114 c) If the modified program normally reads commands interactively
115 when run, you must cause it, when started running for such
116 interactive use in the most ordinary way, to print or display an
117 announcement including an appropriate copyright notice and a
118 notice that there is no warranty (or else, saying that you provide
119 a warranty) and that users may redistribute the program under
120 these conditions, and telling the user how to view a copy of this
121 License. (Exception: if the Program itself is interactive but
122 does not normally print such an announcement, your work based on
123 the Program is not required to print an announcement.)
124
125These requirements apply to the modified work as a whole. If
126identifiable sections of that work are not derived from the Program,
127and can be reasonably considered independent and separate works in
128themselves, then this License, and its terms, do not apply to those
129sections when you distribute them as separate works. But when you
130distribute the same sections as part of a whole which is a work based
131on the Program, the distribution of the whole must be on the terms of
132this License, whose permissions for other licensees extend to the
133entire whole, and thus to each and every part regardless of who wrote it.
134
135Thus, it is not the intent of this section to claim rights or contest
136your rights to work written entirely by you; rather, the intent is to
137exercise the right to control the distribution of derivative or
138collective works based on the Program.
139
140In addition, mere aggregation of another work not based on the Program
141with the Program (or with a work based on the Program) on a volume of
142a storage or distribution medium does not bring the other work under
143the scope of this License.
144
145 3. You may copy and distribute the Program (or a work based on it,
146under Section 2) in object code or executable form under the terms of
147Sections 1 and 2 above provided that you also do one of the following:
148
149 a) Accompany it with the complete corresponding machine-readable
150 source code, which must be distributed under the terms of Sections
151 1 and 2 above on a medium customarily used for software interchange; or,
152
153 b) Accompany it with a written offer, valid for at least three
154 years, to give any third party, for a charge no more than your
155 cost of physically performing source distribution, a complete
156 machine-readable copy of the corresponding source code, to be
157 distributed under the terms of Sections 1 and 2 above on a medium
158 customarily used for software interchange; or,
159
160 c) Accompany it with the information you received as to the offer
161 to distribute corresponding source code. (This alternative is
162 allowed only for noncommercial distribution and only if you
163 received the program in object code or executable form with such
164 an offer, in accord with Subsection b above.)
165
166The source code for a work means the preferred form of the work for
167making modifications to it. For an executable work, complete source
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169associated interface definition files, plus the scripts used to
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171special exception, the source code distributed need not include
172anything that is normally distributed (in either source or binary
173form) with the major components (compiler, kernel, and so on) of the
174operating system on which the executable runs, unless that component
175itself accompanies the executable.
176
177If distribution of executable or object code is made by offering
178access to copy from a designated place, then offering equivalent
179access to copy the source code from the same place counts as
180distribution of the source code, even though third parties are not
181compelled to copy the source along with the object code.
182
183 4. You may not copy, modify, sublicense, or distribute the Program
184except as expressly provided under this License. Any attempt
185otherwise to copy, modify, sublicense or distribute the Program is
186void, and will automatically terminate your rights under this License.
187However, parties who have received copies, or rights, from you under
188this License will not have their licenses terminated so long as such
189parties remain in full compliance.
190
191 5. You are not required to accept this License, since you have not
192signed it. However, nothing else grants you permission to modify or
193distribute the Program or its derivative works. These actions are
194prohibited by law if you do not accept this License. Therefore, by
195modifying or distributing the Program (or any work based on the
196Program), you indicate your acceptance of this License to do so, and
197all its terms and conditions for copying, distributing or modifying
198the Program or works based on it.
199
200 6. Each time you redistribute the Program (or any work based on the
201Program), the recipient automatically receives a license from the
202original licensor to copy, distribute or modify the Program subject to
203these terms and conditions. You may not impose any further
204restrictions on the recipients' exercise of the rights granted herein.
205You are not responsible for enforcing compliance by third parties to
206this License.
207
208 7. If, as a consequence of a court judgment or allegation of patent
209infringement or for any other reason (not limited to patent issues),
210conditions are imposed on you (whether by court order, agreement or
211otherwise) that contradict the conditions of this License, they do not
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214License and any other pertinent obligations, then as a consequence you
215may not distribute the Program at all. For example, if a patent
216license would not permit royalty-free redistribution of the Program by
217all those who receive copies directly or indirectly through you, then
218the only way you could satisfy both it and this License would be to
219refrain entirely from distribution of the Program.
220
221If any portion of this section is held invalid or unenforceable under
222any particular circumstance, the balance of the section is intended to
223apply and the section as a whole is intended to apply in other
224circumstances.
225
226It is not the purpose of this section to induce you to infringe any
227patents or other property right claims or to contest validity of any
228such claims; this section has the sole purpose of protecting the
229integrity of the free software distribution system, which is
230implemented by public license practices. Many people have made
231generous contributions to the wide range of software distributed
232through that system in reliance on consistent application of that
233system; it is up to the author/donor to decide if he or she is willing
234to distribute software through any other system and a licensee cannot
235impose that choice.
236
237This section is intended to make thoroughly clear what is believed to
238be a consequence of the rest of this License.
239
240 8. If the distribution and/or use of the Program is restricted in
241certain countries either by patents or by copyrighted interfaces, the
242original copyright holder who places the Program under this License
243may add an explicit geographical distribution limitation excluding
244those countries, so that distribution is permitted only in or among
245countries not thus excluded. In such case, this License incorporates
246the limitation as if written in the body of this License.
247
248 9. The Free Software Foundation may publish revised and/or new versions
249of the General Public License from time to time. Such new versions will
250be similar in spirit to the present version, but may differ in detail to
251address new problems or concerns.
252
253Each version is given a distinguishing version number. If the Program
254specifies a version number of this License which applies to it and "any
255later version", you have the option of following the terms and conditions
256either of that version or of any later version published by the Free
257Software Foundation. If the Program does not specify a version number of
258this License, you may choose any version ever published by the Free Software
259Foundation.
260
261 10. If you wish to incorporate parts of the Program into other free
262programs whose distribution conditions are different, write to the author
263to ask for permission. For software which is copyrighted by the Free
264Software Foundation, write to the Free Software Foundation; we sometimes
265make exceptions for this. Our decision will be guided by the two goals
266of preserving the free status of all derivatives of our free software and
267of promoting the sharing and reuse of software generally.
268
269 NO WARRANTY
270
271 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
272FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
273OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
274PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
275OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
276MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
277TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
278PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
279REPAIR OR CORRECTION.
280
281 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
282WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
283REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
284INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
285OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
286TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
287YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
288PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
289POSSIBILITY OF SUCH DAMAGES.
290
291 END OF TERMS AND CONDITIONS
292
293 How to Apply These Terms to Your New Programs
294
295 If you develop a new program, and you want it to be of the greatest
296possible use to the public, the best way to achieve this is to make it
297free software which everyone can redistribute and change under these terms.
298
299 To do so, attach the following notices to the program. It is safest
300to attach them to the start of each source file to most effectively
301convey the exclusion of warranty; and each file should have at least
302the "copyright" line and a pointer to where the full notice is found.
303
304 <one line to give the program's name and a brief idea of what it does.>
305 Copyright (C) 19yy <name of author>
306
307 This program is free software; you can redistribute it and/or modify
308 it under the terms of the GNU General Public License as published by
309 the Free Software Foundation; either version 2 of the License, or
310 (at your option) any later version.
311
312 This program is distributed in the hope that it will be useful,
313 but WITHOUT ANY WARRANTY; without even the implied warranty of
314 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
315 GNU General Public License for more details.
316
317 You should have received a copy of the GNU General Public License
318 along with this program; if not, write to the Free Software
319 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
320
321Also add information on how to contact you by electronic and paper mail.
322
323If the program is interactive, make it output a short notice like this
324when it starts in an interactive mode:
325
326 Gnomovision version 69, Copyright (C) 19yy name of author
327 Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
328 This is free software, and you are welcome to redistribute it
329 under certain conditions; type `show c' for details.
330
331The hypothetical commands `show w' and `show c' should show the appropriate
332parts of the General Public License. Of course, the commands you use may
333be called something other than `show w' and `show c'; they could even be
334mouse-clicks or menu items--whatever suits your program.
335
336You should also get your employer (if you work as a programmer) or your
337school, if any, to sign a "copyright disclaimer" for the program, if
338necessary. Here is a sample; alter the names:
339
340 Yoyodyne, Inc., hereby disclaims all copyright interest in the program
341 `Gnomovision' (which makes passes at compilers) written by James Hacker.
342
343 <signature of Ty Coon>, 1 April 1989
344 Ty Coon, President of Vice
345
346This General Public License does not permit incorporating your program into
347proprietary programs. If your program is a subroutine library, you may
348consider it more useful to permit linking proprietary applications with the
349library. If this is what you want to do, use the GNU Library General
350Public License instead of this License.
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