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7 | 675 Mass Ave, Cambridge, MA 02139, USA |
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10 | of this license document, but changing it is not allowed. |
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16 | freedom to share and change it. By contrast, the GNU General Public |
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17 | License is intended to guarantee your freedom to share and change free |
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18 | software--to make sure the software is free for all its users. This |
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19 | General Public License applies to most of the Free Software |
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20 | Foundation's software and to any other program whose authors commit to |
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21 | using it. (Some other Free Software Foundation software is covered by |
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22 | the GNU Library General Public License instead.) You can apply it to |
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23 | your programs, too. |
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24 | |||
25 | |||
26 | price. Our General Public Licenses are designed to make sure that you |
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27 | have the freedom to distribute copies of free software (and charge for |
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28 | this service if you wish), that you receive source code or can get it |
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29 | if you want it, that you can change the software or use pieces of it |
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30 | in new free programs; and that you know you can do these things. |
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31 | |||
32 | |||
33 | anyone to deny you these rights or to ask you to surrender the rights. |
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34 | These restrictions translate to certain responsibilities for you if you |
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35 | distribute copies of the software, or if you modify it. |
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36 | |||
37 | |||
38 | gratis or for a fee, you must give the recipients all the rights that |
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39 | you have. You must make sure that they, too, receive or can get the |
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40 | source code. And you must show them these terms so they know their |
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41 | rights. |
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42 | |||
43 | |||
44 | (2) offer you this license which gives you legal permission to copy, |
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45 | distribute and/or modify the software. |
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46 | |||
47 | |||
48 | that everyone understands that there is no warranty for this free |
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49 | software. If the software is modified by someone else and passed on, we |
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50 | want its recipients to know that what they have is not the original, so |
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51 | that any problems introduced by others will not reflect on the original |
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52 | authors' reputations. |
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53 | |||
54 | |||
55 | patents. We wish to avoid the danger that redistributors of a free |
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56 | program will individually obtain patent licenses, in effect making the |
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57 | program proprietary. To prevent this, we have made it clear that any |
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58 | patent must be licensed for everyone's free use or not licensed at all. |
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59 | |||
60 | |||
61 | modification follow. |
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62 | |||
63 | |||
64 | |||
65 | |||
66 | |||
67 | |||
68 | |||
69 | |||
70 | a notice placed by the copyright holder saying it may be distributed |
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71 | under the terms of this General Public License. The "Program", below, |
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72 | refers to any such program or work, and a "work based on the Program" |
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73 | means either the Program or any derivative work under copyright law: |
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74 | that is to say, a work containing the Program or a portion of it, |
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75 | either verbatim or with modifications and/or translated into another |
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76 | language. (Hereinafter, translation is included without limitation in |
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77 | the term "modification".) Each licensee is addressed as "you". |
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78 | |||
79 | |||
80 | covered by this License; they are outside its scope. The act of |
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81 | running the Program is not restricted, and the output from the Program |
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82 | is covered only if its contents constitute a work based on the |
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83 | Program (independent of having been made by running the Program). |
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84 | Whether that is true depends on what the Program does. |
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85 | |||
86 | |||
87 | source code as you receive it, in any medium, provided that you |
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88 | conspicuously and appropriately publish on each copy an appropriate |
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89 | copyright notice and disclaimer of warranty; keep intact all the |
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90 | notices that refer to this License and to the absence of any warranty; |
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91 | and give any other recipients of the Program a copy of this License |
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92 | along with the Program. |
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93 | |||
94 | |||
95 | you may at your option offer warranty protection in exchange for a fee. |
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96 | |||
97 | |||
98 | of it, thus forming a work based on the Program, and copy and |
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99 | distribute such modifications or work under the terms of Section 1 |
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100 | above, provided that you also meet all of these conditions: |
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101 | |||
102 | |||
103 | stating that you changed the files and the date of any change. |
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104 | |||
105 | |||
106 | whole or in part contains or is derived from the Program or any |
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107 | part thereof, to be licensed as a whole at no charge to all third |
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108 | parties under the terms of this License. |
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109 | |||
110 | |||
111 | when run, you must cause it, when started running for such |
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112 | interactive use in the most ordinary way, to print or display an |
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113 | announcement including an appropriate copyright notice and a |
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114 | notice that there is no warranty (or else, saying that you provide |
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115 | a warranty) and that users may redistribute the program under |
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116 | these conditions, and telling the user how to view a copy of this |
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117 | License. (Exception: if the Program itself is interactive but |
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118 | does not normally print such an announcement, your work based on |
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119 | the Program is not required to print an announcement.) |
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120 | |||
121 | |||
122 | identifiable sections of that work are not derived from the Program, |
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123 | and can be reasonably considered independent and separate works in |
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124 | themselves, then this License, and its terms, do not apply to those |
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125 | sections when you distribute them as separate works. But when you |
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126 | distribute the same sections as part of a whole which is a work based |
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127 | on the Program, the distribution of the whole must be on the terms of |
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128 | this License, whose permissions for other licensees extend to the |
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129 | entire whole, and thus to each and every part regardless of who wrote it. |
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130 | |||
131 | |||
132 | your rights to work written entirely by you; rather, the intent is to |
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133 | exercise the right to control the distribution of derivative or |
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134 | collective works based on the Program. |
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135 | |||
136 | |||
137 | with the Program (or with a work based on the Program) on a volume of |
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138 | a storage or distribution medium does not bring the other work under |
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139 | the scope of this License. |
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140 | |||
141 | |||
142 | under Section 2) in object code or executable form under the terms of |
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143 | Sections 1 and 2 above provided that you also do one of the following: |
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144 | |||
145 | |||
146 | source code, which must be distributed under the terms of Sections |
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147 | 1 and 2 above on a medium customarily used for software interchange; or, |
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148 | |||
149 | |||
150 | years, to give any third party, for a charge no more than your |
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151 | cost of physically performing source distribution, a complete |
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152 | machine-readable copy of the corresponding source code, to be |
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153 | distributed under the terms of Sections 1 and 2 above on a medium |
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154 | customarily used for software interchange; or, |
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155 | |||
156 | |||
157 | to distribute corresponding source code. (This alternative is |
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158 | allowed only for noncommercial distribution and only if you |
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159 | received the program in object code or executable form with such |
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160 | an offer, in accord with Subsection b above.) |
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161 | |||
162 | |||
163 | making modifications to it. For an executable work, complete source |
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164 | code means all the source code for all modules it contains, plus any |
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165 | associated interface definition files, plus the scripts used to |
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166 | control compilation and installation of the executable. However, as a |
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167 | special exception, the source code distributed need not include |
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168 | anything that is normally distributed (in either source or binary |
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169 | form) with the major components (compiler, kernel, and so on) of the |
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170 | operating system on which the executable runs, unless that component |
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171 | itself accompanies the executable. |
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172 | |||
173 | |||
174 | access to copy from a designated place, then offering equivalent |
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175 | access to copy the source code from the same place counts as |
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176 | distribution of the source code, even though third parties are not |
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177 | compelled to copy the source along with the object code. |
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178 | |||
179 | |||
180 | except as expressly provided under this License. Any attempt |
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181 | otherwise to copy, modify, sublicense or distribute the Program is |
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182 | void, and will automatically terminate your rights under this License. |
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183 | However, parties who have received copies, or rights, from you under |
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184 | this License will not have their licenses terminated so long as such |
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185 | parties remain in full compliance. |
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186 | |||
187 | |||
188 | signed it. However, nothing else grants you permission to modify or |
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189 | distribute the Program or its derivative works. These actions are |
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190 | prohibited by law if you do not accept this License. Therefore, by |
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191 | modifying or distributing the Program (or any work based on the |
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192 | Program), you indicate your acceptance of this License to do so, and |
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193 | all its terms and conditions for copying, distributing or modifying |
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194 | the Program or works based on it. |
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195 | |||
196 | |||
197 | Program), the recipient automatically receives a license from the |
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198 | original licensor to copy, distribute or modify the Program subject to |
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199 | these terms and conditions. You may not impose any further |
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200 | restrictions on the recipients' exercise of the rights granted herein. |
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201 | You are not responsible for enforcing compliance by third parties to |
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202 | this License. |
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203 | |||
204 | |||
205 | infringement or for any other reason (not limited to patent issues), |
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206 | conditions are imposed on you (whether by court order, agreement or |
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207 | otherwise) that contradict the conditions of this License, they do not |
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208 | excuse you from the conditions of this License. If you cannot |
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209 | distribute so as to satisfy simultaneously your obligations under this |
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210 | License and any other pertinent obligations, then as a consequence you |
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211 | may not distribute the Program at all. For example, if a patent |
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212 | license would not permit royalty-free redistribution of the Program by |
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213 | all those who receive copies directly or indirectly through you, then |
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214 | the only way you could satisfy both it and this License would be to |
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215 | refrain entirely from distribution of the Program. |
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216 | |||
217 | |||
218 | any particular circumstance, the balance of the section is intended to |
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219 | apply and the section as a whole is intended to apply in other |
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220 | circumstances. |
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221 | |||
222 | |||
223 | patents or other property right claims or to contest validity of any |
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224 | such claims; this section has the sole purpose of protecting the |
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225 | integrity of the free software distribution system, which is |
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226 | implemented by public license practices. Many people have made |
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227 | generous contributions to the wide range of software distributed |
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228 | through that system in reliance on consistent application of that |
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229 | system; it is up to the author/donor to decide if he or she is willing |
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230 | to distribute software through any other system and a licensee cannot |
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231 | impose that choice. |
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232 | |||
233 | |||
234 | be a consequence of the rest of this License. |
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235 | |||
236 | |||
237 | certain countries either by patents or by copyrighted interfaces, the |
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238 | original copyright holder who places the Program under this License |
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239 | may add an explicit geographical distribution limitation excluding |
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240 | those countries, so that distribution is permitted only in or among |
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241 | countries not thus excluded. In such case, this License incorporates |
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242 | the limitation as if written in the body of this License. |
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243 | |||
244 | |||
245 | of the General Public License from time to time. Such new versions will |
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246 | be similar in spirit to the present version, but may differ in detail to |
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247 | address new problems or concerns. |
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248 | |||
249 | |||
250 | specifies a version number of this License which applies to it and "any |
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251 | later version", you have the option of following the terms and conditions |
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252 | either of that version or of any later version published by the Free |
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253 | Software Foundation. If the Program does not specify a version number of |
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254 | this License, you may choose any version ever published by the Free Software |
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255 | Foundation. |
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256 | |||
257 | |||
258 | programs whose distribution conditions are different, write to the author |
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259 | to ask for permission. For software which is copyrighted by the Free |
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260 | Software Foundation, write to the Free Software Foundation; we sometimes |
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261 | make exceptions for this. Our decision will be guided by the two goals |
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262 | of preserving the free status of all derivatives of our free software and |
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263 | of promoting the sharing and reuse of software generally. |
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264 | |||
265 | |||
266 | |||
267 | |||
268 | FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN |
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269 | OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES |
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270 | PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED |
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271 | OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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272 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS |
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273 | TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE |
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274 | PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, |
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275 | REPAIR OR CORRECTION. |
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276 | |||
277 | |||
278 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR |
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279 | REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, |
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280 | INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING |
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281 | OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED |
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282 | TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY |
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283 | YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER |
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284 | PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE |
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285 | POSSIBILITY OF SUCH DAMAGES. |
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286 | |||
287 | |||
288 | |||
289 | |||
290 | |||
291 | |||
292 | possible use to the public, the best way to achieve this is to make it |
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293 | free software which everyone can redistribute and change under these terms. |
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294 | |||
295 | |||
296 | to attach them to the start of each source file to most effectively |
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297 | convey the exclusion of warranty; and each file should have at least |
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298 | the "copyright" line and a pointer to where the full notice is found. |
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299 | |||
300 | |||
301 | Copyright (C) 19yy |
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302 | |||
303 | |||
304 | it under the terms of the GNU General Public License as published by |
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305 | the Free Software Foundation; either version 2 of the License, or |
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306 | (at your option) any later version. |
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307 | |||
308 | |||
309 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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310 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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311 | GNU General Public License for more details. |
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312 | |||
313 | |||
314 | along with this program; if not, write to the Free Software |
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315 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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316 | |||
317 | |||
318 | |||
319 | |||
320 | when it starts in an interactive mode: |
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321 | |||
322 | |||
323 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. |
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324 | This is free software, and you are welcome to redistribute it |
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325 | under certain conditions; type `show c' for details. |
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326 | |||
327 | |||
328 | parts of the General Public License. Of course, the commands you use may |
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329 | be called something other than `show w' and `show c'; they could even be |
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330 | mouse-clicks or menu items--whatever suits your program. |
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331 | |||
332 | |||
333 | school, if any, to sign a "copyright disclaimer" for the program, if |
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334 | necessary. Here is a sample; alter the names: |
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335 | |||
336 | |||
337 | `Gnomovision' (which makes passes at compilers) written by James Hacker. |
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338 | |||
339 | |||
340 | Ty Coon, President of Vice |
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341 | |||
342 | |||
343 | proprietary programs. If your program is a subroutine library, you may |
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344 | consider it more useful to permit linking proprietary applications with the |
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345 | library. If this is what you want to do, use the GNU Library General |
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346 | Public License instead of this License. |
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347 |