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comparison: docs/license.txt
docs/license.txt
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| 1 GNU GENERAL PUBLIC LICENSE | |
| 2 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | |
| 3 | |
| 4 0. This License applies to any program or other work which contains | |
| 5 a notice placed by the copyright holder saying it may be distributed | |
| 6 under the terms of this General Public License. The "Program", below, | |
| 7 refers to any such program or work, and a "work based on the Program" | |
| 8 means either the Program or any derivative work under copyright law: | |
| 9 that is to say, a work containing the Program or a portion of it, | |
| 10 either verbatim or with modifications and/or translated into another | |
| 11 language. (Hereinafter, translation is included without limitation in | |
| 12 the term "modification".) Each licensee is addressed as "you". | |
| 13 | |
| 14 Activities other than copying, distribution and modification are not | |
| 15 covered by this License; they are outside its scope. The act of | |
| 16 running the Program is not restricted, and the output from the Program | |
| 17 is covered only if its contents constitute a work based on the | |
| 18 Program (independent of having been made by running the Program). | |
| 19 Whether that is true depends on what the Program does. | |
| 20 | |
| 21 1. You may copy and distribute verbatim copies of the Program's | |
| 22 source code as you receive it, in any medium, provided that you | |
| 23 conspicuously and appropriately publish on each copy an appropriate | |
| 24 copyright notice and disclaimer of warranty; keep intact all the | |
| 25 notices that refer to this License and to the absence of any warranty; | |
| 26 and give any other recipients of the Program a copy of this License | |
| 27 along with the Program. | |
| 28 | |
| 29 You may charge a fee for the physical act of transferring a copy, and | |
| 30 you may at your option offer warranty protection in exchange for a fee. | |
| 31 | |
| 32 2. You may modify your copy or copies of the Program or any portion | |
| 33 of it, thus forming a work based on the Program, and copy and | |
| 34 distribute such modifications or work under the terms of Section 1 | |
| 35 above, provided that you also meet all of these conditions: | |
| 36 | |
| 37 a) You must cause the modified files to carry prominent notices | |
| 38 stating that you changed the files and the date of any change. | |
| 39 | |
| 40 b) You must cause any work that you distribute or publish, that in | |
| 41 whole or in part contains or is derived from the Program or any | |
| 42 part thereof, to be licensed as a whole at no charge to all third | |
| 43 parties under the terms of this License. | |
| 44 | |
| 45 c) If the modified program normally reads commands interactively | |
| 46 when run, you must cause it, when started running for such | |
| 47 interactive use in the most ordinary way, to print or display an | |
| 48 announcement including an appropriate copyright notice and a | |
| 49 notice that there is no warranty (or else, saying that you provide | |
| 50 a warranty) and that users may redistribute the program under | |
| 51 these conditions, and telling the user how to view a copy of this | |
| 52 License. (Exception: if the Program itself is interactive but | |
| 53 does not normally print such an announcement, your work based on | |
| 54 the Program is not required to print an announcement.) | |
| 55 | |
| 56 These requirements apply to the modified work as a whole. If | |
| 57 identifiable sections of that work are not derived from the Program, | |
| 58 and can be reasonably considered independent and separate works in | |
| 59 themselves, then this License, and its terms, do not apply to those | |
| 60 sections when you distribute them as separate works. But when you | |
| 61 distribute the same sections as part of a whole which is a work based | |
| 62 on the Program, the distribution of the whole must be on the terms of | |
| 63 this License, whose permissions for other licensees extend to the | |
| 64 entire whole, and thus to each and every part regardless of who wrote it. | |
| 65 | |
| 66 Thus, it is not the intent of this section to claim rights or contest | |
| 67 your rights to work written entirely by you; rather, the intent is to | |
| 68 exercise the right to control the distribution of derivative or | |
| 69 collective works based on the Program. | |
| 70 | |
| 71 In addition, mere aggregation of another work not based on the Program | |
| 72 with the Program (or with a work based on the Program) on a volume of | |
| 73 a storage or distribution medium does not bring the other work under | |
| 74 the scope of this License. | |
| 75 | |
| 76 3. You may copy and distribute the Program (or a work based on it, | |
| 77 under Section 2) in object code or executable form under the terms of | |
| 78 Sections 1 and 2 above provided that you also do one of the following: | |
| 79 | |
| 80 a) Accompany it with the complete corresponding machine-readable | |
| 81 source code, which must be distributed under the terms of Sections | |
| 82 1 and 2 above on a medium customarily used for software interchange; or, | |
| 83 | |
| 84 b) Accompany it with a written offer, valid for at least three | |
| 85 years, to give any third party, for a charge no more than your | |
| 86 cost of physically performing source distribution, a complete | |
| 87 machine-readable copy of the corresponding source code, to be | |
| 88 distributed under the terms of Sections 1 and 2 above on a medium | |
| 89 customarily used for software interchange; or, | |
| 90 | |
| 91 c) Accompany it with the information you received as to the offer | |
| 92 to distribute corresponding source code. (This alternative is | |
| 93 allowed only for noncommercial distribution and only if you | |
| 94 received the program in object code or executable form with such | |
| 95 an offer, in accord with Subsection b above.) | |
| 96 | |
| 97 The source code for a work means the preferred form of the work for | |
| 98 making modifications to it. For an executable work, complete source | |
| 99 code means all the source code for all modules it contains, plus any | |
| 100 associated interface definition files, plus the scripts used to | |
| 101 control compilation and installation of the executable. However, as a | |
| 102 special exception, the source code distributed need not include | |
| 103 anything that is normally distributed (in either source or binary | |
| 104 form) with the major components (compiler, kernel, and so on) of the | |
| 105 operating system on which the executable runs, unless that component | |
| 106 itself accompanies the executable. | |
| 107 | |
| 108 If distribution of executable or object code is made by offering | |
| 109 access to copy from a designated place, then offering equivalent | |
| 110 access to copy the source code from the same place counts as | |
| 111 distribution of the source code, even though third parties are not | |
| 112 compelled to copy the source along with the object code. | |
| 113 | |
| 114 4. You may not copy, modify, sublicense, or distribute the Program | |
| 115 except as expressly provided under this License. Any attempt | |
| 116 otherwise to copy, modify, sublicense or distribute the Program is | |
| 117 void, and will automatically terminate your rights under this License. | |
| 118 However, parties who have received copies, or rights, from you under | |
| 119 this License will not have their licenses terminated so long as such | |
| 120 parties remain in full compliance. | |
| 121 | |
| 122 5. You are not required to accept this License, since you have not | |
| 123 signed it. However, nothing else grants you permission to modify or | |
| 124 distribute the Program or its derivative works. These actions are | |
| 125 prohibited by law if you do not accept this License. Therefore, by | |
| 126 modifying or distributing the Program (or any work based on the | |
| 127 Program), you indicate your acceptance of this License to do so, and | |
| 128 all its terms and conditions for copying, distributing or modifying | |
| 129 the Program or works based on it. | |
| 130 | |
| 131 6. Each time you redistribute the Program (or any work based on the | |
| 132 Program), the recipient automatically receives a license from the | |
| 133 original licensor to copy, distribute or modify the Program subject to | |
| 134 these terms and conditions. You may not impose any further | |
| 135 restrictions on the recipients' exercise of the rights granted herein. | |
| 136 You are not responsible for enforcing compliance by third parties to | |
| 137 this License. | |
| 138 | |
| 139 7. If, as a consequence of a court judgment or allegation of patent | |
| 140 infringement or for any other reason (not limited to patent issues), | |
| 141 conditions are imposed on you (whether by court order, agreement or | |
| 142 otherwise) that contradict the conditions of this License, they do not | |
| 143 excuse you from the conditions of this License. If you cannot | |
| 144 distribute so as to satisfy simultaneously your obligations under this | |
| 145 License and any other pertinent obligations, then as a consequence you | |
| 146 may not distribute the Program at all. For example, if a patent | |
| 147 license would not permit royalty-free redistribution of the Program by | |
| 148 all those who receive copies directly or indirectly through you, then | |
| 149 the only way you could satisfy both it and this License would be to | |
| 150 refrain entirely from distribution of the Program. | |
| 151 | |
| 152 If any portion of this section is held invalid or unenforceable under | |
| 153 any particular circumstance, the balance of the section is intended to | |
| 154 apply and the section as a whole is intended to apply in other | |
| 155 circumstances. | |
| 156 | |
| 157 It is not the purpose of this section to induce you to infringe any | |
| 158 patents or other property right claims or to contest validity of any | |
| 159 such claims; this section has the sole purpose of protecting the | |
| 160 integrity of the free software distribution system, which is | |
| 161 implemented by public license practices. Many people have made | |
| 162 generous contributions to the wide range of software distributed | |
| 163 through that system in reliance on consistent application of that | |
| 164 system; it is up to the author/donor to decide if he or she is willing | |
| 165 to distribute software through any other system and a licensee cannot | |
| 166 impose that choice. | |
| 167 | |
| 168 This section is intended to make thoroughly clear what is believed to | |
| 169 be a consequence of the rest of this License. | |
| 170 | |
| 171 8. If the distribution and/or use of the Program is restricted in | |
| 172 certain countries either by patents or by copyrighted interfaces, the | |
| 173 original copyright holder who places the Program under this License | |
| 174 may add an explicit geographical distribution limitation excluding | |
| 175 those countries, so that distribution is permitted only in or among | |
| 176 countries not thus excluded. In such case, this License incorporates | |
| 177 the limitation as if written in the body of this License. | |
| 178 | |
| 179 9. The Free Software Foundation may publish revised and/or new versions | |
| 180 of the General Public License from time to time. Such new versions will | |
| 181 be similar in spirit to the present version, but may differ in detail to | |
| 182 address new problems or concerns. | |
| 183 | |
| 184 Each version is given a distinguishing version number. If the Program | |
| 185 specifies a version number of this License which applies to it and "any | |
| 186 later version", you have the option of following the terms and conditions | |
| 187 either of that version or of any later version published by the Free | |
| 188 Software Foundation. If the Program does not specify a version number of | |
| 189 this License, you may choose any version ever published by the Free Software | |
| 190 Foundation. | |
| 191 | |
| 192 10. If you wish to incorporate parts of the Program into other free | |
| 193 programs whose distribution conditions are different, write to the author | |
| 194 to ask for permission. For software which is copyrighted by the Free | |
| 195 Software Foundation, write to the Free Software Foundation; we sometimes | |
| 196 make exceptions for this. Our decision will be guided by the two goals | |
| 197 of preserving the free status of all derivatives of our free software and | |
| 198 of promoting the sharing and reuse of software generally. | |
| 199 | |
| 200 NO WARRANTY | |
| 201 | |
| 202 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY | |
| 203 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN | |
| 204 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES | |
| 205 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED | |
| 206 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 207 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS | |
| 208 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE | |
| 209 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, | |
| 210 REPAIR OR CORRECTION. | |
| 211 | |
| 212 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING | |
| 213 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR | |
| 214 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, | |
| 215 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING | |
| 216 OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED | |
| 217 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY | |
| 218 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER | |
| 219 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE | |
| 220 POSSIBILITY OF SUCH DAMAGES. | |
| 221 | |
| 222 END OF TERMS AND CONDITIONS |
