Changeset 226
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- Nov 20, 2007, 8:59:21 PM (17 years ago)
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code/trunk/LICENSE
r89 r226 1 GNU GENERAL PUBLIC LICENSE 2 3 Version 3, 29 June 2007 4 5 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> 6 7 Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. 8 Preamble 9 10 The GNU General Public License is a free, copyleft license for software and other kinds of works. 11 12 The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. We, the Free Software Foundation, use the GNU General Public License for most of our software; it applies also to any other work released this way by its authors. You can apply it to your programs, too. 13 14 When we speak of free software, we are referring to freedom, not price. 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Any permitted use will be in compliance with Creative Commons' then-current trademark usage guidelines, as may be published on its website or otherwise made available upon request from time to time. 289 290 Creative Commons may be contacted at http://creativecommons.org/. 291 1 2 GNU GENERAL PUBLIC LICENSE 3 Version 2, June 1991 4 5 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 6 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 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 licenses for most software are designed to take away your 13 freedom to share and change it. By contrast, the GNU 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. This 16 General Public License applies to most of the Free Software 17 Foundation's software and to any other program whose authors commit to 18 using it. (Some other Free Software Foundation software is covered by 19 the GNU Library General Public License instead.) You can apply it to 20 your programs, too. 21 22 When we speak of free software, we are referring to freedom, not 23 price. Our General Public Licenses are designed to make sure that you 24 have the freedom to distribute copies of free software (and charge for 25 this service if you wish), that you receive source code or can get it 26 if you want it, that you can change the software or use pieces of it 27 in new free programs; and that you know you can do these things. 28 29 To protect your rights, we need to make restrictions that forbid 30 anyone to deny you these rights or to ask you to surrender the rights. 31 These restrictions translate to certain responsibilities for you if you 32 distribute copies of the software, or if you modify it. 33 34 For example, if you distribute copies of such a program, whether 35 gratis or for a fee, you must give the recipients all the rights that 36 you have. You must make sure that they, too, receive or can get the 37 source code. And you must show them these terms so they know their 38 rights. 39 40 We protect your rights with two steps: (1) copyright the software, and 41 (2) offer you this license which gives you legal permission to copy, 42 distribute and/or modify the software. 43 44 Also, for each author's protection and ours, we want to make certain 45 that everyone understands that there is no warranty for this free 46 software. If the software is modified by someone else and passed on, we 47 want its recipients to know that what they have is not the original, so 48 that any problems introduced by others will not reflect on the original 49 authors' reputations. 50 51 Finally, any free program is threatened constantly by software 52 patents. We wish to avoid the danger that redistributors of a free 53 program will individually obtain patent licenses, in effect making the 54 program proprietary. To prevent this, we have made it clear that any 55 patent must be licensed for everyone's free use or not licensed at all. 56 57 The precise terms and conditions for copying, distribution and 58 modification follow. 59 60 GNU GENERAL PUBLIC LICENSE 61 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 62 63 0. This License applies to any program or other work which contains 64 a notice placed by the copyright holder saying it may be distributed 65 under the terms of this General Public License. The "Program", below, 66 refers to any such program or work, and a "work based on the Program" 67 means either the Program or any derivative work under copyright law: 68 that is to say, a work containing the Program or a portion of it, 69 either verbatim or with modifications and/or translated into another 70 language. (Hereinafter, translation is included without limitation in 71 the term "modification".) Each licensee is addressed as "you". 72 73 Activities other than copying, distribution and modification are not 74 covered by this License; they are outside its scope. The act of 75 running the Program is not restricted, and the output from the Program 76 is covered only if its contents constitute a work based on the 77 Program (independent of having been made by running the Program). 78 Whether that is true depends on what the Program does. 79 80 1. You may copy and distribute verbatim copies of the Program's 81 source code as you receive it, in any medium, provided that you 82 conspicuously and appropriately publish on each copy an appropriate 83 copyright notice and disclaimer of warranty; keep intact all the 84 notices that refer to this License and to the absence of any warranty; 85 and give any other recipients of the Program a copy of this License 86 along with the Program. 87 88 You may charge a fee for the physical act of transferring a copy, and 89 you may at your option offer warranty protection in exchange for a fee. 90 91 2. You may modify your copy or copies of the Program or any portion 92 of it, thus forming a work based on the Program, and copy and 93 distribute such modifications or work under the terms of Section 1 94 above, provided that you also meet all of these conditions: 95 96 a) You must cause the modified files to carry prominent notices 97 stating that you changed the files and the date of any change. 98 99 b) You must cause any work that you distribute or publish, that in 100 whole or in part contains or is derived from the Program or any 101 part thereof, to be licensed as a whole at no charge to all third 102 parties under the terms of this License. 103 104 c) If the modified program normally reads commands interactively 105 when run, you must cause it, when started running for such 106 interactive use in the most ordinary way, to print or display an 107 announcement including an appropriate copyright notice and a 108 notice that there is no warranty (or else, saying that you provide 109 a warranty) and that users may redistribute the program under 110 these conditions, and telling the user how to view a copy of this 111 License. (Exception: if the Program itself is interactive but 112 does not normally print such an announcement, your work based on 113 the Program is not required to print an announcement.) 114 115 These requirements apply to the modified work as a whole. If 116 identifiable sections of that work are not derived from the Program, 117 and can be reasonably considered independent and separate works in 118 themselves, then this License, and its terms, do not apply to those 119 sections when you distribute them as separate works. But when you 120 distribute the same sections as part of a whole which is a work based 121 on the Program, the distribution of the whole must be on the terms of 122 this License, whose permissions for other licensees extend to the 123 entire whole, and thus to each and every part regardless of who wrote it. 124 125 Thus, it is not the intent of this section to claim rights or contest 126 your rights to work written entirely by you; rather, the intent is to 127 exercise the right to control the distribution of derivative or 128 collective works based on the Program. 129 130 In addition, mere aggregation of another work not based on the Program 131 with the Program (or with a work based on the Program) on a volume of 132 a storage or distribution medium does not bring the other work under 133 the scope of this License. 134 135 3. You may copy and distribute the Program (or a work based on it, 136 under Section 2) in object code or executable form under the terms of 137 Sections 1 and 2 above provided that you also do one of the following: 138 139 a) Accompany it with the complete corresponding machine-readable 140 source code, which must be distributed under the terms of Sections 141 1 and 2 above on a medium customarily used for software 142 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 246 "any later version", you have the option of following the terms and 247 conditions either of that version or of any later version published by 248 the Free Software Foundation. If the Program does not specify a 249 version number of this License, you may choose any version ever 250 published by the Free Software 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 263 WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. 264 EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR 265 OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY 266 KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE 267 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 268 PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE 269 PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME 270 THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 271 272 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN 273 WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY 274 AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU 275 FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR 276 CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE 277 PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING 278 RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A 279 FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF 280 SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 281 DAMAGES. 282 283 END OF TERMS AND CONDITIONS 284 285 How to Apply These Terms to Your New Programs 286 287 If you develop a new program, and you want it to be of the greatest 288 possible use to the public, the best way to achieve this is to make it 289 free software which everyone can redistribute and change under these 290 terms. 291 292 To do so, attach the following notices to the program. It is safest 293 to attach them to the start of each source file to most effectively 294 convey the exclusion of warranty; and each file should have at least 295 the "copyright" line and a pointer to where the full notice is found. 296 297 <one line to give the program's name and a brief idea of what it does.> 298 Copyright (C) <year> <name of author> 299 300 This program is free software; you can redistribute it and/or modify 301 it under the terms of the GNU General Public License as published by 302 the Free Software Foundation; either version 2 of the License, or 303 (at your option) any later version. 304 305 This program is distributed in the hope that it will be useful, 306 but WITHOUT ANY WARRANTY; without even the implied warranty of 307 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 308 GNU General Public License for more details. 309 310 You should have received a copy of the GNU General Public License 311 along with this program; if not, write to the Free Software 312 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 313 314 315 Also add information on how to contact you by electronic and paper mail. 316 317 If the program is interactive, make it output a short notice like this 318 when it starts in an interactive mode: 319 320 Gnomovision version 69, Copyright (C) year name of author 321 Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 322 This is free software, and you are welcome to redistribute it 323 under certain conditions; type `show c' for details. 324 325 The hypothetical commands `show w' and `show c' should show the appropriate 326 parts of the General Public License. Of course, the commands you use may 327 be called something other than `show w' and `show c'; they could even be 328 mouse-clicks or menu items--whatever suits your program. 329 330 You should also get your employer (if you work as a programmer) or your 331 school, if any, to sign a "copyright disclaimer" for the program, if 332 necessary. Here is a sample; alter the names: 333 334 Yoyodyne, Inc., hereby disclaims all copyright interest in the program 335 `Gnomovision' (which makes passes at compilers) written by James Hacker. 336 337 <signature of Ty Coon>, 1 April 1989 338 Ty Coon, President of Vice 339 340 This General Public License does not permit incorporating your program into 341 proprietary programs. If your program is a subroutine library, you may 342 consider it more useful to permit linking proprietary applications with the 343 library. If this is what you want to do, use the GNU Library General 344 Public License instead of this License.
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