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1.1 ! root 1: GNU GENERAL PUBLIC LICENSE ! 2: Version 2, June 1991 ! 3: ! 4: Copyright (C) 1989, 1991 Free Software Foundation, Inc. ! 5: 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 licenses for most software are designed to take away your ! 12: freedom to share and change it. By contrast, the GNU 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. This ! 15: General Public License applies to most of the Free Software ! 16: Foundation's software and to any other program whose authors commit to ! 17: using it. (Some other Free Software Foundation software is covered by ! 18: the GNU Library General Public License instead.) You can apply it to ! 19: your programs, too. ! 20: ! 21: When we speak of free software, we are referring to freedom, not ! 22: price. Our General Public Licenses are designed to make sure that you ! 23: have the freedom to distribute copies of free software (and charge for ! 24: this service if you wish), that you receive source code or can get it ! 25: if you want it, that you can change the software or use pieces of it ! 26: in new free programs; and that you know you can do these things. ! 27: ! 28: To protect your rights, we need to make restrictions that forbid ! 29: anyone to deny you these rights or to ask you to surrender the rights. ! 30: These restrictions translate to certain responsibilities for you if you ! 31: distribute copies of the software, or if you modify it. ! 32: ! 33: For example, if you distribute copies of such a program, whether ! 34: gratis or for a fee, you must give the recipients all the rights that ! 35: you have. You must make sure that they, too, receive or can get the ! 36: source code. And you must show them these terms so they know their ! 37: rights. ! 38: ! 39: We protect your rights with two steps: (1) copyright the software, and ! 40: (2) offer you this license which gives you legal permission to copy, ! 41: distribute and/or modify the software. ! 42: ! 43: Also, for each author's protection and ours, we want to make certain ! 44: that everyone understands that there is no warranty for this free ! 45: software. If the software is modified by someone else and passed on, we ! 46: want its recipients to know that what they have is not the original, so ! 47: that any problems introduced by others will not reflect on the original ! 48: authors' reputations. ! 49: ! 50: Finally, any free program is threatened constantly by software ! 51: patents. We wish to avoid the danger that redistributors of a free ! 52: program will individually obtain patent licenses, in effect making the ! 53: program proprietary. To prevent this, we have made it clear that any ! 54: patent must be licensed for everyone's free use or not licensed at all. ! 55: ! 56: The precise terms and conditions for copying, distribution and ! 57: modification follow. ! 58: ! 59: GNU GENERAL PUBLIC LICENSE ! 60: TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION ! 61: ! 62: 0. This License applies to any program or other work which contains ! 63: a notice placed by the copyright holder saying it may be distributed ! 64: under the terms of this General Public License. The "Program", below, ! 65: refers to any such program or work, and a "work based on the Program" ! 66: means either the Program or any derivative work under copyright law: ! 67: that is to say, a work containing the Program or a portion of it, ! 68: either verbatim or with modifications and/or translated into another ! 69: language. (Hereinafter, translation is included without limitation in ! 70: the term "modification".) Each licensee is addressed as "you". ! 71: ! 72: Activities other than copying, distribution and modification are not ! 73: covered by this License; they are outside its scope. The act of ! 74: running the Program is not restricted, and the output from the Program ! 75: is covered only if its contents constitute a work based on the ! 76: Program (independent of having been made by running the Program). ! 77: Whether that is true depends on what the Program does. ! 78: ! 79: 1. You may copy and distribute verbatim copies of the Program's ! 80: source code as you receive it, in any medium, provided that you ! 81: conspicuously and appropriately publish on each copy an appropriate ! 82: copyright notice and disclaimer of warranty; keep intact all the ! 83: notices that refer to this License and to the absence of any warranty; ! 84: and give any other recipients of the Program a copy of this License ! 85: along with the Program. ! 86: ! 87: You may charge a fee for the physical act of transferring a copy, and ! 88: you may at your option offer warranty protection in exchange for a fee. ! 89: ! 90: 2. You may modify your copy or copies of the Program or any portion ! 91: of it, thus forming a work based on the Program, and copy and ! 92: distribute such modifications or work under the terms of Section 1 ! 93: above, provided that you also meet all of these conditions: ! 94: ! 95: a) You must cause the modified files to carry prominent notices ! 96: stating that you changed the files and the date of any change. ! 97: ! 98: b) You must cause any work that you distribute or publish, that in ! 99: whole or in part contains or is derived from the Program or any ! 100: part thereof, to be licensed as a whole at no charge to all third ! 101: parties under the terms of this License. ! 102: ! 103: c) If the modified program normally reads commands interactively ! 104: when run, you must cause it, when started running for such ! 105: interactive use in the most ordinary way, to print or display an ! 106: announcement including an appropriate copyright notice and a ! 107: notice that there is no warranty (or else, saying that you provide ! 108: a warranty) and that users may redistribute the program under ! 109: these conditions, and telling the user how to view a copy of this ! 110: License. (Exception: if the Program itself is interactive but ! 111: does not normally print such an announcement, your work based on ! 112: the Program is not required to print an announcement.) ! 113: ! 114: These requirements apply to the modified work as a whole. If ! 115: identifiable sections of that work are not derived from the Program, ! 116: and can be reasonably considered independent and separate works in ! 117: themselves, then this License, and its terms, do not apply to those ! 118: sections when you distribute them as separate works. But when you ! 119: distribute the same sections as part of a whole which is a work based ! 120: on the Program, the distribution of the whole must be on the terms of ! 121: this License, whose permissions for other licensees extend to the ! 122: entire whole, and thus to each and every part regardless of who wrote it. ! 123: ! 124: Thus, it is not the intent of this section to claim rights or contest ! 125: your rights to work written entirely by you; rather, the intent is to ! 126: exercise the right to control the distribution of derivative or ! 127: collective works based on the Program. ! 128: ! 129: In addition, mere aggregation of another work not based on the Program ! 130: with the Program (or with a work based on the Program) on a volume of ! 131: a storage or distribution medium does not bring the other work under ! 132: the scope of this License. ! 133: ! 134: 3. You may copy and distribute the Program (or a work based on it, ! 135: under Section 2) in object code or executable form under the terms of ! 136: Sections 1 and 2 above provided that you also do one of the following: ! 137: ! 138: a) Accompany it with the complete corresponding machine-readable ! 139: source code, which must be distributed under the terms of Sections ! 140: 1 and 2 above on a medium customarily used for software interchange; or, ! 141: ! 142: b) Accompany it with a written offer, valid for at least three ! 143: years, to give any third party, for a charge no more than your ! 144: cost of physically performing source distribution, a complete ! 145: machine-readable copy of the corresponding source code, to be ! 146: distributed under the terms of Sections 1 and 2 above on a medium ! 147: customarily used for software interchange; or, ! 148: ! 149: c) Accompany it with the information you received as to the offer ! 150: to distribute corresponding source code. (This alternative is ! 151: allowed only for noncommercial distribution and only if you ! 152: received the program in object code or executable form with such ! 153: an offer, in accord with Subsection b above.) ! 154: ! 155: The source code for a work means the preferred form of the work for ! 156: making modifications to it. For an executable work, complete source ! 157: code means all the source code for all modules it contains, plus any ! 158: associated interface definition files, plus the scripts used to ! 159: control compilation and installation of the executable. However, as a ! 160: special exception, the source code distributed need not include ! 161: anything that is normally distributed (in either source or binary ! 162: form) with the major components (compiler, kernel, and so on) of the ! 163: operating system on which the executable runs, unless that component ! 164: itself accompanies the executable. ! 165: ! 166: If distribution of executable or object code is made by offering ! 167: access to copy from a designated place, then offering equivalent ! 168: access to copy the source code from the same place counts as ! 169: distribution of the source code, even though third parties are not ! 170: compelled to copy the source along with the object code. ! 171: ! 172: 4. You may not copy, modify, sublicense, or distribute the Program ! 173: except as expressly provided under this License. Any attempt ! 174: otherwise to copy, modify, sublicense or distribute the Program is ! 175: void, and will automatically terminate your rights under this License. ! 176: However, parties who have received copies, or rights, from you under ! 177: this License will not have their licenses terminated so long as such ! 178: parties remain in full compliance. ! 179: ! 180: 5. You are not required to accept this License, since you have not ! 181: signed it. However, nothing else grants you permission to modify or ! 182: distribute the Program or its derivative works. These actions are ! 183: prohibited by law if you do not accept this License. Therefore, by ! 184: modifying or distributing the Program (or any work based on the ! 185: Program), you indicate your acceptance of this License to do so, and ! 186: all its terms and conditions for copying, distributing or modifying ! 187: the Program or works based on it. ! 188: ! 189: 6. Each time you redistribute the Program (or any work based on the ! 190: Program), the recipient automatically receives a license from the ! 191: original licensor to copy, distribute or modify the Program subject to ! 192: these terms and conditions. You may not impose any further ! 193: restrictions on the recipients' exercise of the rights granted herein. ! 194: You are not responsible for enforcing compliance by third parties to ! 195: this License. ! 196: ! 197: 7. If, as a consequence of a court judgment or allegation of patent ! 198: infringement or for any other reason (not limited to patent issues), ! 199: conditions are imposed on you (whether by court order, agreement or ! 200: otherwise) that contradict the conditions of this License, they do not ! 201: excuse you from the conditions of this License. If you cannot ! 202: distribute so as to satisfy simultaneously your obligations under this ! 203: License and any other pertinent obligations, then as a consequence you ! 204: may not distribute the Program at all. For example, if a patent ! 205: license would not permit royalty-free redistribution of the Program by ! 206: all those who receive copies directly or indirectly through you, then ! 207: the only way you could satisfy both it and this License would be to ! 208: refrain entirely from distribution of the Program. ! 209: ! 210: If any portion of this section is held invalid or unenforceable under ! 211: any particular circumstance, the balance of the section is intended to ! 212: apply and the section as a whole is intended to apply in other ! 213: circumstances. ! 214: ! 215: It is not the purpose of this section to induce you to infringe any ! 216: patents or other property right claims or to contest validity of any ! 217: such claims; this section has the sole purpose of protecting the ! 218: integrity of the free software distribution system, which is ! 219: implemented by public license practices. Many people have made ! 220: generous contributions to the wide range of software distributed ! 221: through that system in reliance on consistent application of that ! 222: system; it is up to the author/donor to decide if he or she is willing ! 223: to distribute software through any other system and a licensee cannot ! 224: impose that choice. ! 225: ! 226: This section is intended to make thoroughly clear what is believed to ! 227: be a consequence of the rest of this License. ! 228: ! 229: 8. If the distribution and/or use of the Program is restricted in ! 230: certain countries either by patents or by copyrighted interfaces, the ! 231: original copyright holder who places the Program under this License ! 232: may add an explicit geographical distribution limitation excluding ! 233: those countries, so that distribution is permitted only in or among ! 234: countries not thus excluded. In such case, this License incorporates ! 235: the limitation as if written in the body of this License. ! 236: ! 237: 9. The Free Software Foundation may publish revised and/or new versions ! 238: of the General Public License from time to time. Such new versions will ! 239: be similar in spirit to the present version, but may differ in detail to ! 240: address new problems or concerns. ! 241: ! 242: Each version is given a distinguishing version number. If the Program ! 243: specifies a version number of this License which applies to it and "any ! 244: later version", you have the option of following the terms and conditions ! 245: either of that version or of any later version published by the Free ! 246: Software Foundation. If the Program does not specify a version number of ! 247: this License, you may choose any version ever published by the Free Software ! 248: Foundation. ! 249: ! 250: 10. If you wish to incorporate parts of the Program into other free ! 251: programs whose distribution conditions are different, write to the author ! 252: to ask for permission. For software which is copyrighted by the Free ! 253: Software Foundation, write to the Free Software Foundation; we sometimes ! 254: make exceptions for this. Our decision will be guided by the two goals ! 255: of preserving the free status of all derivatives of our free software and ! 256: of promoting the sharing and reuse of software generally. ! 257: ! 258: NO WARRANTY ! 259: ! 260: 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY ! 261: FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN ! 262: OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES ! 263: PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED ! 264: OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF ! 265: MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS ! 266: TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE ! 267: PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, ! 268: REPAIR OR CORRECTION. ! 269: ! 270: 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING ! 271: WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR ! 272: REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, ! 273: INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING ! 274: OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED ! 275: TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY ! 276: YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER ! 277: PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE ! 278: POSSIBILITY OF SUCH DAMAGES. ! 279: ! 280: END OF TERMS AND CONDITIONS ! 281: ! 282: How to Apply These Terms to Your New Programs ! 283: ! 284: If you develop a new program, and you want it to be of the greatest ! 285: possible use to the public, the best way to achieve this is to make it ! 286: free software which everyone can redistribute and change under these terms. ! 287: ! 288: To do so, attach the following notices to the program. It is safest ! 289: to attach them to the start of each source file to most effectively ! 290: convey the exclusion of warranty; and each file should have at least ! 291: the "copyright" line and a pointer to where the full notice is found. ! 292: ! 293: <one line to give the program's name and a brief idea of what it does.> ! 294: Copyright (C) 19yy <name of author> ! 295: ! 296: This program is free software; you can redistribute it and/or modify ! 297: it under the terms of the GNU General Public License as published by ! 298: the Free Software Foundation; either version 2 of the License, or ! 299: (at your option) any later version. ! 300: ! 301: This program is distributed in the hope that it will be useful, ! 302: but WITHOUT ANY WARRANTY; without even the implied warranty of ! 303: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 304: GNU General Public License for more details. ! 305: ! 306: You should have received a copy of the GNU General Public License ! 307: along with this program; if not, write to the Free Software ! 308: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ! 309: ! 310: ! 311: Also add information on how to contact you by electronic and paper mail. ! 312: ! 313: If the program is interactive, make it output a short notice like this ! 314: when it starts in an interactive mode: ! 315: ! 316: Gnomovision version 69, Copyright (C) 19yy name of author ! 317: Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. ! 318: This is free software, and you are welcome to redistribute it ! 319: under certain conditions; type `show c' for details. ! 320: ! 321: The hypothetical commands `show w' and `show c' should show the appropriate ! 322: parts of the General Public License. Of course, the commands you use may ! 323: be called something other than `show w' and `show c'; they could even be ! 324: mouse-clicks or menu items--whatever suits your program. ! 325: ! 326: You should also get your employer (if you work as a programmer) or your ! 327: school, if any, to sign a "copyright disclaimer" for the program, if ! 328: necessary. Here is a sample; alter the names: ! 329: ! 330: Yoyodyne, Inc., hereby disclaims all copyright interest in the program ! 331: `Gnomovision' (which makes passes at compilers) written by James Hacker. ! 332: ! 333: <signature of Ty Coon>, 1 April 1989 ! 334: Ty Coon, President of Vice ! 335: ! 336: This General Public License does not permit incorporating your program into ! 337: proprietary programs. If your program is a subroutine library, you may ! 338: consider it more useful to permit linking proprietary applications with the ! 339: library. If this is what you want to do, use the GNU Library General ! 340: Public License instead of this License.
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