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1 Terms of Perl itself
2
3 a) the GNU General Public License as published by the Free
4 Software Foundation; either version 1, or (at your option) any
5 later version, or
6 b) the "Artistic License"
7
8 ---------------------------------------------------------------------------
9
10 The General Public License (GPL)
11 Version 2, June 1991
12
13 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 675 Mass Ave,
14 Cambridge, MA 02139, USA. Everyone is permitted to copy and distribute
15 verbatim copies of this license document, but changing it is not allowed.
16
17 Preamble
18
19 The licenses for most software are designed to take away your freedom to share
20 and change it. By contrast, the GNU General Public License is intended to
21 guarantee your freedom to share and change free software--to make sure the
22 software is free for all its users. This General Public License applies to most of
23 the Free Software Foundation's software and to any other program whose
24 authors commit to using it. (Some other Free Software Foundation software is
25 covered by the GNU Library General Public License instead.) You can apply it to
26 your programs, too.
27
28 When we speak of free software, we are referring to freedom, not price. Our
29 General Public Licenses are designed to make sure that you have the freedom
30 to distribute copies of free software (and charge for this service if you wish), that
31 you receive source code or can get it if you want it, that you can change the
32 software or use pieces of it in new free programs; and that you know you can do
33 these things.
34
35 To protect your rights, we need to make restrictions that forbid anyone to deny
36 you these rights or to ask you to surrender the rights. These restrictions
37 translate to certain responsibilities for you if you distribute copies of the
38 software, or if you modify it.
39
40 For example, if you distribute copies of such a program, whether gratis or for a
41 fee, you must give the recipients all the rights that you have. You must make
42 sure that they, too, receive or can get the source code. And you must show
43 them these terms so they know their rights.
44
45 We protect your rights with two steps: (1) copyright the software, and (2) offer
46 you this license which gives you legal permission to copy, distribute and/or
47 modify the software.
48
49 Also, for each author's protection and ours, we want to make certain that
50 everyone understands that there is no warranty for this free software. If the
51 software is modified by someone else and passed on, we want its recipients to
52 know that what they have is not the original, so that any problems introduced by
53 others will not reflect on the original authors' reputations.
54
55 Finally, any free program is threatened constantly by software patents. We wish
56 to avoid the danger that redistributors of a free program will individually obtain
57 patent licenses, in effect making the program proprietary. To prevent this, we
58 have made it clear that any patent must be licensed for everyone's free use or
59 not licensed at all.
60
61 The precise terms and conditions for copying, distribution and modification
62 follow.
63
64 GNU GENERAL PUBLIC LICENSE
65 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND
66 MODIFICATION
67
68 0. This License applies to any program or other work which contains a notice
69 placed by the copyright holder saying it may be distributed under the terms of
70 this General Public License. The "Program", below, refers to any such program
71 or work, and a "work based on the Program" means either the Program or any
72 derivative work under copyright law: that is to say, a work containing the
73 Program or a portion of it, either verbatim or with modifications and/or translated
74 into another language. (Hereinafter, translation is included without limitation in
75 the term "modification".) Each licensee is addressed as "you".
76
77 Activities other than copying, distribution and modification are not covered by
78 this License; they are outside its scope. The act of running the Program is not
79 restricted, and the output from the Program is covered only if its contents
80 constitute a work based on the Program (independent of having been made by
81 running the Program). Whether that is true depends on what the Program does.
82
83 1. You may copy and distribute verbatim copies of the Program's source code as
84 you receive it, in any medium, provided that you conspicuously and appropriately
85 publish on each copy an appropriate copyright notice and disclaimer of warranty;
86 keep intact all the notices that refer to this License and to the absence of any
87 warranty; and give any other recipients of the Program a copy of this License
88 along with the Program.
89
90 You may charge a fee for the physical act of transferring a copy, and you may at
91 your option offer warranty protection in exchange for a fee.
92
93 2. You may modify your copy or copies of the Program or any portion of it, thus
94 forming a work based on the Program, and copy and distribute such
95 modifications or work under the terms of Section 1 above, provided that you also
96 meet all of these conditions:
97
98 a) You must cause the modified files to carry prominent notices stating that you
99 changed the files and the date of any change.
100
101 b) You must cause any work that you distribute or publish, that in whole or in
102 part contains or is derived from the Program or any part thereof, to be licensed
103 as a whole at no charge to all third parties under the terms of this License.
104
105 c) If the modified program normally reads commands interactively when run, you
106 must cause it, when started running for such interactive use in the most ordinary
107 way, to print or display an announcement including an appropriate copyright
108 notice and a notice that there is no warranty (or else, saying that you provide a
109 warranty) and that users may redistribute the program under these conditions,
110 and telling the user how to view a copy of this License. (Exception: if the
111 Program itself is interactive but does not normally print such an announcement,
112 your work based on the Program is not required to print an announcement.)
113
114 These requirements apply to the modified work as a whole. If identifiable
115 sections of that work are not derived from the Program, and can be reasonably
116 considered independent and separate works in themselves, then this License,
117 and its terms, do not apply to those sections when you distribute them as
118 separate works. But when you distribute the same sections as part of a whole
119 which is a work based on the Program, the distribution of the whole must be on
120 the terms of this License, whose permissions for other licensees extend to the
121 entire whole, and thus to each and every part regardless of who wrote it.
122
123 Thus, it is not the intent of this section to claim rights or contest your rights to
124 work written entirely by you; rather, the intent is to exercise the right to control
125 the distribution of derivative or collective works based on the Program.
126
127 In addition, mere aggregation of another work not based on the Program with the
128 Program (or with a work based on the Program) on a volume of a storage or
129 distribution medium does not bring the other work under the scope of this
130 License.
131
132 3. You may copy and distribute the Program (or a work based on it, under
133 Section 2) in object code or executable form under the terms of Sections 1 and 2
134 above provided that you also do one of the following:
135
136 a) Accompany it with the complete corresponding machine-readable source
137 code, which must be distributed under the terms of Sections 1 and 2 above on a
138 medium customarily used for software interchange; or,
139
140 b) Accompany it with a written offer, valid for at least three years, to give any
141 third party, for a charge no more than your cost of physically performing source
142 distribution, a complete machine-readable copy of the corresponding source
143 code, to be distributed under the terms of Sections 1 and 2 above on a medium
144 customarily used for software interchange; or,
145
146 c) Accompany it with the information you received as to the offer to distribute
147 corresponding source code. (This alternative is allowed only for noncommercial
148 distribution and only if you received the program in object code or executable
149 form with such an offer, in accord with Subsection b above.)
150
151 The source code for a work means the preferred form of the work for making
152 modifications to it. For an executable work, complete source code means all the
153 source code for all modules it contains, plus any associated interface definition
154 files, plus the scripts used to control compilation and installation of the
155 executable. However, as a special exception, the source code distributed need
156 not include anything that is normally distributed (in either source or binary form)
157 with the major components (compiler, kernel, and so on) of the operating system
158 on which the executable runs, unless that component itself accompanies the
159 executable.
160
161 If distribution of executable or object code is made by offering access to copy
162 from a designated place, then offering equivalent access to copy the source
163 code from the same place counts as distribution of the source code, even though
164 third parties are not compelled to copy the source along with the object code.
165
166 4. You may not copy, modify, sublicense, or distribute the Program except as
167 expressly provided under this License. Any attempt otherwise to copy, modify,
168 sublicense or distribute the Program is void, and will automatically terminate
169 your rights under this License. However, parties who have received copies, or
170 rights, from you under this License will not have their licenses terminated so long
171 as such parties remain in full compliance.
172
173 5. You are not required to accept this License, since you have not signed it.
174 However, nothing else grants you permission to modify or distribute the Program
175 or its derivative works. These actions are prohibited by law if you do not accept
176 this License. Therefore, by modifying or distributing the Program (or any work
177 based on the Program), you indicate your acceptance of this License to do so,
178 and all its terms and conditions for copying, distributing or modifying the
179 Program or works based on it.
180
181 6. Each time you redistribute the Program (or any work based on the Program),
182 the recipient automatically receives a license from the original licensor to copy,
183 distribute or modify the Program subject to these terms and conditions. You
184 may not impose any further restrictions on the recipients' exercise of the rights
185 granted herein. You are not responsible for enforcing compliance by third parties
186 to this License.
187
188 7. If, as a consequence of a court judgment or allegation of patent infringement
189 or for any other reason (not limited to patent issues), conditions are imposed on
190 you (whether by court order, agreement or otherwise) that contradict the
191 conditions of this License, they do not excuse you from the conditions of this
192 License. If you cannot distribute so as to satisfy simultaneously your obligations
193 under this License and any other pertinent obligations, then as a consequence
194 you may not distribute the Program at all. For example, if a patent license would
195 not permit royalty-free redistribution of the Program by all those who receive
196 copies directly or indirectly through you, then the only way you could satisfy
197 both it and this License would be to refrain entirely from distribution of the
198 Program.
199
200 If any portion of this section is held invalid or unenforceable under any particular
201 circumstance, the balance of the section is intended to apply and the section as
202 a whole is intended to apply in other circumstances.
203
204 It is not the purpose of this section to induce you to infringe any patents or other
205 property right claims or to contest validity of any such claims; this section has
206 the sole purpose of protecting the integrity of the free software distribution
207 system, which is implemented by public license practices. Many people have
208 made generous contributions to the wide range of software distributed through
209 that system in reliance on consistent application of that system; it is up to the
210 author/donor to decide if he or she is willing to distribute software through any
211 other system and a licensee cannot impose that choice.
212
213 This section is intended to make thoroughly clear what is believed to be a
214 consequence of the rest of this License.
215
216 8. If the distribution and/or use of the Program is restricted in certain countries
217 either by patents or by copyrighted interfaces, the original copyright holder who
218 places the Program under this License may add an explicit geographical
219 distribution limitation excluding those countries, so that distribution is permitted
220 only in or among countries not thus excluded. In such case, this License
221 incorporates the limitation as if written in the body of this License.
222
223 9. The Free Software Foundation may publish revised and/or new versions of the
224 General Public License from time to time. Such new versions will be similar in
225 spirit to the present version, but may differ in detail to address new problems or
226 concerns.
227
228 Each version is given a distinguishing version number. If the Program specifies a
229 version number of this License which applies to it and "any later version", you
230 have the option of following the terms and conditions either of that version or of
231 any later version published by the Free Software Foundation. If the Program does
232 not specify a version number of this License, you may choose any version ever
233 published by the Free Software Foundation.
234
235 10. If you wish to incorporate parts of the Program into other free programs
236 whose distribution conditions are different, write to the author to ask for
237 permission. For software which is copyrighted by the Free Software Foundation,
238 write to the Free Software Foundation; we sometimes make exceptions for this.
239 Our decision will be guided by the two goals of preserving the free status of all
240 derivatives of our free software and of promoting the sharing and reuse of
241 software generally.
242
243 NO WARRANTY
244
245 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS
246 NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
247 APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE
248 COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM
249 "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR
250 IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
251 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
252 ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE
253 PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE,
254 YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
255 CORRECTION.
256
257 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED
258 TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY
259 WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS
260 PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
261 GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
262 ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM
263 (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
264 RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
265 PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY
266 OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS
267 BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
268
269 END OF TERMS AND CONDITIONS
270
271
272 ---------------------------------------------------------------------------
273
274 The Artistic License
275
276 Preamble
277
278 The intent of this document is to state the conditions under which a Package
279 may be copied, such that the Copyright Holder maintains some semblance of
280 artistic control over the development of the package, while giving the users of the
281 package the right to use and distribute the Package in a more-or-less customary
282 fashion, plus the right to make reasonable modifications.
283
284 Definitions:
285
286 - "Package" refers to the collection of files distributed by the Copyright
287 Holder, and derivatives of that collection of files created through textual
288 modification.
289 - "Standard Version" refers to such a Package if it has not been modified,
290 or has been modified in accordance with the wishes of the Copyright
291 Holder.
292 - "Copyright Holder" is whoever is named in the copyright or copyrights for
293 the package.
294 - "You" is you, if you're thinking about copying or distributing this Package.
295 - "Reasonable copying fee" is whatever you can justify on the basis of
296 media cost, duplication charges, time of people involved, and so on. (You
297 will not be required to justify it to the Copyright Holder, but only to the
298 computing community at large as a market that must bear the fee.)
299 - "Freely Available" means that no fee is charged for the item itself, though
300 there may be fees involved in handling the item. It also means that
301 recipients of the item may redistribute it under the same conditions they
302 received it.
303
304 1. You may make and give away verbatim copies of the source form of the
305 Standard Version of this Package without restriction, provided that you duplicate
306 all of the original copyright notices and associated disclaimers.
307
308 2. You may apply bug fixes, portability fixes and other modifications derived from
309 the Public Domain or from the Copyright Holder. A Package modified in such a
310 way shall still be considered the Standard Version.
311
312 3. You may otherwise modify your copy of this Package in any way, provided
313 that you insert a prominent notice in each changed file stating how and when
314 you changed that file, and provided that you do at least ONE of the following:
315
316 a) place your modifications in the Public Domain or otherwise
317 make them Freely Available, such as by posting said modifications
318 to Usenet or an equivalent medium, or placing the modifications on
319 a major archive site such as ftp.uu.net, or by allowing the
320 Copyright Holder to include your modifications in the Standard
321 Version of the Package.
322
323 b) use the modified Package only within your corporation or
324 organization.
325
326 c) rename any non-standard executables so the names do not
327 conflict with standard executables, which must also be provided,
328 and provide a separate manual page for each non-standard
329 executable that clearly documents how it differs from the Standard
330 Version.
331
332 d) make other distribution arrangements with the Copyright Holder.
333
334 4. You may distribute the programs of this Package in object code or executable
335 form, provided that you do at least ONE of the following:
336
337 a) distribute a Standard Version of the executables and library
338 files, together with instructions (in the manual page or equivalent)
339 on where to get the Standard Version.
340
341 b) accompany the distribution with the machine-readable source of
342 the Package with your modifications.
343
344 c) accompany any non-standard executables with their
345 corresponding Standard Version executables, giving the
346 non-standard executables non-standard names, and clearly
347 documenting the differences in manual pages (or equivalent),
348 together with instructions on where to get the Standard Version.
349
350 d) make other distribution arrangements with the Copyright Holder.
351
352 5. You may charge a reasonable copying fee for any distribution of this Package.
353 You may charge any fee you choose for support of this Package. You may not
354 charge a fee for this Package itself. However, you may distribute this Package in
355 aggregate with other (possibly commercial) programs as part of a larger
356 (possibly commercial) software distribution provided that you do not advertise
357 this Package as a product of your own.
358
359 6. The scripts and library files supplied as input to or produced as output from
360 the programs of this Package do not automatically fall under the copyright of this
361 Package, but belong to whomever generated them, and may be sold
362 commercially, and may be aggregated with this Package.
363
364 7. C or perl subroutines supplied by you and linked into this Package shall not
365 be considered part of this Package.
366
367 8. Aggregation of this Package with a commercial distribution is always permitted
368 provided that the use of this Package is embedded; that is, when no overt attempt
369 is made to make this Package's interfaces visible to the end user of the
370 commercial distribution. Such use shall not be construed as a distribution of
371 this Package.
372
373 9. The name of the Copyright Holder may not be used to endorse or promote
374 products derived from this software without specific prior written permission.
375
376 10. THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
377 IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
378 WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
379 PURPOSE.
380
381 The End
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