1 1.1 skrll GNU GENERAL PUBLIC LICENSE 2 1.1 skrll Version 3, 29 June 2007 3 1.1 skrll 4 1.1 skrll Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> 5 1.1 skrll Everyone is permitted to copy and distribute verbatim copies 6 1.1 skrll of this license document, but changing it is not allowed. 7 1.1 skrll 8 1.1 skrll Preamble 9 1.1 skrll 10 1.1 skrll The GNU General Public License is a free, copyleft license for 11 1.1 skrll software and other kinds of works. 12 1.1 skrll 13 1.1 skrll The licenses for most software and other practical works are designed 14 1.1 skrll to take away your freedom to share and change the works. By contrast, 15 1.1 skrll the GNU General Public License is intended to guarantee your freedom to 16 1.1 skrll share and change all versions of a program--to make sure it remains free 17 1.1 skrll software for all its users. We, the Free Software Foundation, use the 18 1.1 skrll GNU General Public License for most of our software; it applies also to 19 1.1 skrll any other work released this way by its authors. You can apply it to 20 1.1 skrll your programs, too. 21 1.1 skrll 22 1.1 skrll When we speak of free software, we are referring to freedom, not 23 1.1 skrll price. Our General Public Licenses are designed to make sure that you 24 1.1 skrll have the freedom to distribute copies of free software (and charge for 25 1.1 skrll them if you wish), that you receive source code or can get it if you 26 1.1 skrll want it, that you can change the software or use pieces of it in new 27 1.1 skrll free programs, and that you know you can do these things. 28 1.1 skrll 29 1.1 skrll To protect your rights, we need to prevent others from denying you 30 1.1 skrll these rights or asking you to surrender the rights. Therefore, you have 31 1.1 skrll certain responsibilities if you distribute copies of the software, or if 32 1.1 skrll you modify it: responsibilities to respect the freedom of others. 33 1.1 skrll 34 1.1 skrll For example, if you distribute copies of such a program, whether 35 1.1 skrll gratis or for a fee, you must pass on to the recipients the same 36 1.1 skrll freedoms that you received. You must make sure that they, too, receive 37 1.1 skrll or can get the source code. And you must show them these terms so they 38 1.1 skrll know their rights. 39 1.1 skrll 40 1.1 skrll Developers that use the GNU GPL protect your rights with two steps: 41 1.1 skrll (1) assert copyright on the software, and (2) offer you this License 42 1.1 skrll giving you legal permission to copy, distribute and/or modify it. 43 1.1 skrll 44 1.1 skrll For the developers' and authors' protection, the GPL clearly explains 45 1.1 skrll that there is no warranty for this free software. For both users' and 46 1.1 skrll authors' sake, the GPL requires that modified versions be marked as 47 1.1 skrll changed, so that their problems will not be attributed erroneously to 48 1.1 skrll authors of previous versions. 49 1.1 skrll 50 1.1 skrll Some devices are designed to deny users access to install or run 51 1.1 skrll modified versions of the software inside them, although the manufacturer 52 1.1 skrll can do so. This is fundamentally incompatible with the aim of 53 1.1 skrll protecting users' freedom to change the software. The systematic 54 1.1 skrll pattern of such abuse occurs in the area of products for individuals to 55 1.1 skrll use, which is precisely where it is most unacceptable. Therefore, we 56 1.1 skrll have designed this version of the GPL to prohibit the practice for those 57 1.1 skrll products. If such problems arise substantially in other domains, we 58 1.1 skrll stand ready to extend this provision to those domains in future versions 59 1.1 skrll of the GPL, as needed to protect the freedom of users. 60 1.1 skrll 61 1.1 skrll Finally, every program is threatened constantly by software patents. 62 1.1 skrll States should not allow patents to restrict development and use of 63 1.1 skrll software on general-purpose computers, but in those that do, we wish to 64 1.1 skrll avoid the special danger that patents applied to a free program could 65 1.1 skrll make it effectively proprietary. To prevent this, the GPL assures that 66 1.1 skrll patents cannot be used to render the program non-free. 67 1.1 skrll 68 1.1 skrll The precise terms and conditions for copying, distribution and 69 1.1 skrll modification follow. 70 1.1 skrll 71 1.1 skrll TERMS AND CONDITIONS 72 1.1 skrll 73 1.1 skrll 0. Definitions. 74 1.1 skrll 75 1.1 skrll "This License" refers to version 3 of the GNU General Public License. 76 1.1 skrll 77 1.1 skrll "Copyright" also means copyright-like laws that apply to other kinds of 78 1.1 skrll works, such as semiconductor masks. 79 1.1 skrll 80 1.1 skrll "The Program" refers to any copyrightable work licensed under this 81 1.1 skrll License. Each licensee is addressed as "you". "Licensees" and 82 1.1 skrll "recipients" may be individuals or organizations. 83 1.1 skrll 84 1.1 skrll To "modify" a work means to copy from or adapt all or part of the work 85 1.1 skrll in a fashion requiring copyright permission, other than the making of an 86 1.1 skrll exact copy. The resulting work is called a "modified version" of the 87 1.1 skrll earlier work or a work "based on" the earlier work. 88 1.1 skrll 89 1.1 skrll A "covered work" means either the unmodified Program or a work based 90 1.1 skrll on the Program. 91 1.1 skrll 92 1.1 skrll To "propagate" a work means to do anything with it that, without 93 1.1 skrll permission, would make you directly or secondarily liable for 94 1.1 skrll infringement under applicable copyright law, except executing it on a 95 1.1 skrll computer or modifying a private copy. Propagation includes copying, 96 1.1 skrll distribution (with or without modification), making available to the 97 1.1 skrll public, and in some countries other activities as well. 98 1.1 skrll 99 1.1 skrll To "convey" a work means any kind of propagation that enables other 100 1.1 skrll parties to make or receive copies. Mere interaction with a user through 101 1.1 skrll a computer network, with no transfer of a copy, is not conveying. 102 1.1 skrll 103 1.1 skrll An interactive user interface displays "Appropriate Legal Notices" 104 1.1 skrll to the extent that it includes a convenient and prominently visible 105 1.1 skrll feature that (1) displays an appropriate copyright notice, and (2) 106 1.1 skrll tells the user that there is no warranty for the work (except to the 107 1.1 skrll extent that warranties are provided), that licensees may convey the 108 1.1 skrll work under this License, and how to view a copy of this License. If 109 1.1 skrll the interface presents a list of user commands or options, such as a 110 1.1 skrll menu, a prominent item in the list meets this criterion. 111 1.1 skrll 112 1.1 skrll 1. Source Code. 113 1.1 skrll 114 1.1 skrll The "source code" for a work means the preferred form of the work 115 1.1 skrll for making modifications to it. "Object code" means any non-source 116 1.1 skrll form of a work. 117 1.1 skrll 118 1.1 skrll A "Standard Interface" means an interface that either is an official 119 1.1 skrll standard defined by a recognized standards body, or, in the case of 120 1.1 skrll interfaces specified for a particular programming language, one that 121 1.1 skrll is widely used among developers working in that language. 122 1.1 skrll 123 1.1 skrll The "System Libraries" of an executable work include anything, other 124 1.1 skrll than the work as a whole, that (a) is included in the normal form of 125 1.1 skrll packaging a Major Component, but which is not part of that Major 126 1.1 skrll Component, and (b) serves only to enable use of the work with that 127 1.1 skrll Major Component, or to implement a Standard Interface for which an 128 1.1 skrll implementation is available to the public in source code form. A 129 1.1 skrll "Major Component", in this context, means a major essential component 130 1.1 skrll (kernel, window system, and so on) of the specific operating system 131 1.1 skrll (if any) on which the executable work runs, or a compiler used to 132 1.1 skrll produce the work, or an object code interpreter used to run it. 133 1.1 skrll 134 1.1 skrll The "Corresponding Source" for a work in object code form means all 135 1.1 skrll the source code needed to generate, install, and (for an executable 136 1.1 skrll work) run the object code and to modify the work, including scripts to 137 1.1 skrll control those activities. However, it does not include the work's 138 1.1 skrll System Libraries, or general-purpose tools or generally available free 139 1.1 skrll programs which are used unmodified in performing those activities but 140 1.1 skrll which are not part of the work. For example, Corresponding Source 141 1.1 skrll includes interface definition files associated with source files for 142 1.1 skrll the work, and the source code for shared libraries and dynamically 143 1.1 skrll linked subprograms that the work is specifically designed to require, 144 1.1 skrll such as by intimate data communication or control flow between those 145 1.1 skrll subprograms and other parts of the work. 146 1.1 skrll 147 1.1 skrll The Corresponding Source need not include anything that users 148 1.1 skrll can regenerate automatically from other parts of the Corresponding 149 1.1 skrll Source. 150 1.1 skrll 151 1.1 skrll The Corresponding Source for a work in source code form is that 152 1.1 skrll same work. 153 1.1 skrll 154 1.1 skrll 2. Basic Permissions. 155 1.1 skrll 156 1.1 skrll All rights granted under this License are granted for the term of 157 1.1 skrll copyright on the Program, and are irrevocable provided the stated 158 1.1 skrll conditions are met. This License explicitly affirms your unlimited 159 1.1 skrll permission to run the unmodified Program. The output from running a 160 1.1 skrll covered work is covered by this License only if the output, given its 161 1.1 skrll content, constitutes a covered work. This License acknowledges your 162 1.1 skrll rights of fair use or other equivalent, as provided by copyright law. 163 1.1 skrll 164 1.1 skrll You may make, run and propagate covered works that you do not 165 1.1 skrll convey, without conditions so long as your license otherwise remains 166 1.1 skrll in force. You may convey covered works to others for the sole purpose 167 1.1 skrll of having them make modifications exclusively for you, or provide you 168 1.1 skrll with facilities for running those works, provided that you comply with 169 1.1 skrll the terms of this License in conveying all material for which you do 170 1.1 skrll not control copyright. Those thus making or running the covered works 171 1.1 skrll for you must do so exclusively on your behalf, under your direction 172 1.1 skrll and control, on terms that prohibit them from making any copies of 173 1.1 skrll your copyrighted material outside their relationship with you. 174 1.1 skrll 175 1.1 skrll Conveying under any other circumstances is permitted solely under 176 1.1 skrll the conditions stated below. Sublicensing is not allowed; section 10 177 1.1 skrll makes it unnecessary. 178 1.1 skrll 179 1.1 skrll 3. Protecting Users' Legal Rights From Anti-Circumvention Law. 180 1.1 skrll 181 1.1 skrll No covered work shall be deemed part of an effective technological 182 1.1 skrll measure under any applicable law fulfilling obligations under article 183 1.1 skrll 11 of the WIPO copyright treaty adopted on 20 December 1996, or 184 1.1 skrll similar laws prohibiting or restricting circumvention of such 185 1.1 skrll measures. 186 1.1 skrll 187 1.1 skrll When you convey a covered work, you waive any legal power to forbid 188 1.1 skrll circumvention of technological measures to the extent such circumvention 189 1.1 skrll is effected by exercising rights under this License with respect to 190 1.1 skrll the covered work, and you disclaim any intention to limit operation or 191 1.1 skrll modification of the work as a means of enforcing, against the work's 192 1.1 skrll users, your or third parties' legal rights to forbid circumvention of 193 1.1 skrll technological measures. 194 1.1 skrll 195 1.1 skrll 4. Conveying Verbatim Copies. 196 1.1 skrll 197 1.1 skrll You may convey verbatim copies of the Program's source code as you 198 1.1 skrll receive it, in any medium, provided that you conspicuously and 199 1.1 skrll appropriately publish on each copy an appropriate copyright notice; 200 1.1 skrll keep intact all notices stating that this License and any 201 1.1 skrll non-permissive terms added in accord with section 7 apply to the code; 202 1.1 skrll keep intact all notices of the absence of any warranty; and give all 203 1.1 skrll recipients a copy of this License along with the Program. 204 1.1 skrll 205 1.1 skrll You may charge any price or no price for each copy that you convey, 206 1.1 skrll and you may offer support or warranty protection for a fee. 207 1.1 skrll 208 1.1 skrll 5. Conveying Modified Source Versions. 209 1.1 skrll 210 1.1 skrll You may convey a work based on the Program, or the modifications to 211 1.1 skrll produce it from the Program, in the form of source code under the 212 1.1 skrll terms of section 4, provided that you also meet all of these conditions: 213 1.1 skrll 214 1.1 skrll a) The work must carry prominent notices stating that you modified 215 1.1 skrll it, and giving a relevant date. 216 1.1 skrll 217 1.1 skrll b) The work must carry prominent notices stating that it is 218 1.1 skrll released under this License and any conditions added under section 219 1.1 skrll 7. This requirement modifies the requirement in section 4 to 220 1.1 skrll "keep intact all notices". 221 1.1 skrll 222 1.1 skrll c) You must license the entire work, as a whole, under this 223 1.1 skrll License to anyone who comes into possession of a copy. This 224 1.1 skrll License will therefore apply, along with any applicable section 7 225 1.1 skrll additional terms, to the whole of the work, and all its parts, 226 1.1 skrll regardless of how they are packaged. This License gives no 227 1.1 skrll permission to license the work in any other way, but it does not 228 1.1 skrll invalidate such permission if you have separately received it. 229 1.1 skrll 230 1.1 skrll d) If the work has interactive user interfaces, each must display 231 1.1 skrll Appropriate Legal Notices; however, if the Program has interactive 232 1.1 skrll interfaces that do not display Appropriate Legal Notices, your 233 1.1 skrll work need not make them do so. 234 1.1 skrll 235 1.1 skrll A compilation of a covered work with other separate and independent 236 1.1 skrll works, which are not by their nature extensions of the covered work, 237 1.1 skrll and which are not combined with it such as to form a larger program, 238 1.1 skrll in or on a volume of a storage or distribution medium, is called an 239 1.1 skrll "aggregate" if the compilation and its resulting copyright are not 240 1.1 skrll used to limit the access or legal rights of the compilation's users 241 1.1 skrll beyond what the individual works permit. Inclusion of a covered work 242 1.1 skrll in an aggregate does not cause this License to apply to the other 243 1.1 skrll parts of the aggregate. 244 1.1 skrll 245 1.1 skrll 6. Conveying Non-Source Forms. 246 1.1 skrll 247 1.1 skrll You may convey a covered work in object code form under the terms 248 1.1 skrll of sections 4 and 5, provided that you also convey the 249 1.1 skrll machine-readable Corresponding Source under the terms of this License, 250 1.1 skrll in one of these ways: 251 1.1 skrll 252 1.1 skrll a) Convey the object code in, or embodied in, a physical product 253 1.1 skrll (including a physical distribution medium), accompanied by the 254 1.1 skrll Corresponding Source fixed on a durable physical medium 255 1.1 skrll customarily used for software interchange. 256 1.1 skrll 257 1.1 skrll b) Convey the object code in, or embodied in, a physical product 258 1.1 skrll (including a physical distribution medium), accompanied by a 259 1.1 skrll written offer, valid for at least three years and valid for as 260 1.1 skrll long as you offer spare parts or customer support for that product 261 1.1 skrll model, to give anyone who possesses the object code either (1) a 262 1.1 skrll copy of the Corresponding Source for all the software in the 263 1.1 skrll product that is covered by this License, on a durable physical 264 1.1 skrll medium customarily used for software interchange, for a price no 265 1.1 skrll more than your reasonable cost of physically performing this 266 1.1 skrll conveying of source, or (2) access to copy the 267 1.1 skrll Corresponding Source from a network server at no charge. 268 1.1 skrll 269 1.1 skrll c) Convey individual copies of the object code with a copy of the 270 1.1 skrll written offer to provide the Corresponding Source. This 271 1.1 skrll alternative is allowed only occasionally and noncommercially, and 272 1.1 skrll only if you received the object code with such an offer, in accord 273 1.1 skrll with subsection 6b. 274 1.1 skrll 275 1.1 skrll d) Convey the object code by offering access from a designated 276 1.1 skrll place (gratis or for a charge), and offer equivalent access to the 277 1.1 skrll Corresponding Source in the same way through the same place at no 278 1.1 skrll further charge. You need not require recipients to copy the 279 1.1 skrll Corresponding Source along with the object code. If the place to 280 1.1 skrll copy the object code is a network server, the Corresponding Source 281 1.1 skrll may be on a different server (operated by you or a third party) 282 1.1 skrll that supports equivalent copying facilities, provided you maintain 283 1.1 skrll clear directions next to the object code saying where to find the 284 1.1 skrll Corresponding Source. Regardless of what server hosts the 285 1.1 skrll Corresponding Source, you remain obligated to ensure that it is 286 1.1 skrll available for as long as needed to satisfy these requirements. 287 1.1 skrll 288 1.1 skrll e) Convey the object code using peer-to-peer transmission, provided 289 1.1 skrll you inform other peers where the object code and Corresponding 290 1.1 skrll Source of the work are being offered to the general public at no 291 1.1 skrll charge under subsection 6d. 292 1.1 skrll 293 1.1 skrll A separable portion of the object code, whose source code is excluded 294 1.1 skrll from the Corresponding Source as a System Library, need not be 295 1.1 skrll included in conveying the object code work. 296 1.1 skrll 297 1.1 skrll A "User Product" is either (1) a "consumer product", which means any 298 1.1 skrll tangible personal property which is normally used for personal, family, 299 1.1 skrll or household purposes, or (2) anything designed or sold for incorporation 300 1.1 skrll into a dwelling. In determining whether a product is a consumer product, 301 1.1 skrll doubtful cases shall be resolved in favor of coverage. For a particular 302 1.1 skrll product received by a particular user, "normally used" refers to a 303 1.1 skrll typical or common use of that class of product, regardless of the status 304 1.1 skrll of the particular user or of the way in which the particular user 305 1.1 skrll actually uses, or expects or is expected to use, the product. A product 306 1.1 skrll is a consumer product regardless of whether the product has substantial 307 1.1 skrll commercial, industrial or non-consumer uses, unless such uses represent 308 1.1 skrll the only significant mode of use of the product. 309 1.1 skrll 310 1.1 skrll "Installation Information" for a User Product means any methods, 311 1.1 skrll procedures, authorization keys, or other information required to install 312 1.1 skrll and execute modified versions of a covered work in that User Product from 313 1.1 skrll a modified version of its Corresponding Source. The information must 314 1.1 skrll suffice to ensure that the continued functioning of the modified object 315 1.1 skrll code is in no case prevented or interfered with solely because 316 1.1 skrll modification has been made. 317 1.1 skrll 318 1.1 skrll If you convey an object code work under this section in, or with, or 319 1.1 skrll specifically for use in, a User Product, and the conveying occurs as 320 1.1 skrll part of a transaction in which the right of possession and use of the 321 1.1 skrll User Product is transferred to the recipient in perpetuity or for a 322 1.1 skrll fixed term (regardless of how the transaction is characterized), the 323 1.1 skrll Corresponding Source conveyed under this section must be accompanied 324 1.1 skrll by the Installation Information. But this requirement does not apply 325 1.1 skrll if neither you nor any third party retains the ability to install 326 1.1 skrll modified object code on the User Product (for example, the work has 327 1.1 skrll been installed in ROM). 328 1.1 skrll 329 1.1 skrll The requirement to provide Installation Information does not include a 330 1.1 skrll requirement to continue to provide support service, warranty, or updates 331 1.1 skrll for a work that has been modified or installed by the recipient, or for 332 1.1 skrll the User Product in which it has been modified or installed. Access to a 333 1.1 skrll network may be denied when the modification itself materially and 334 1.1 skrll adversely affects the operation of the network or violates the rules and 335 1.1 skrll protocols for communication across the network. 336 1.1 skrll 337 1.1 skrll Corresponding Source conveyed, and Installation Information provided, 338 1.1 skrll in accord with this section must be in a format that is publicly 339 1.1 skrll documented (and with an implementation available to the public in 340 1.1 skrll source code form), and must require no special password or key for 341 1.1 skrll unpacking, reading or copying. 342 1.1 skrll 343 1.1 skrll 7. Additional Terms. 344 1.1 skrll 345 1.1 skrll "Additional permissions" are terms that supplement the terms of this 346 1.1 skrll License by making exceptions from one or more of its conditions. 347 1.1 skrll Additional permissions that are applicable to the entire Program shall 348 1.1 skrll be treated as though they were included in this License, to the extent 349 1.1 skrll that they are valid under applicable law. If additional permissions 350 1.1 skrll apply only to part of the Program, that part may be used separately 351 1.1 skrll under those permissions, but the entire Program remains governed by 352 1.1 skrll this License without regard to the additional permissions. 353 1.1 skrll 354 1.1 skrll When you convey a copy of a covered work, you may at your option 355 1.1 skrll remove any additional permissions from that copy, or from any part of 356 1.1 skrll it. (Additional permissions may be written to require their own 357 1.1 skrll removal in certain cases when you modify the work.) You may place 358 1.1 skrll additional permissions on material, added by you to a covered work, 359 1.1 skrll for which you have or can give appropriate copyright permission. 360 1.1 skrll 361 1.1 skrll Notwithstanding any other provision of this License, for material you 362 1.1 skrll add to a covered work, you may (if authorized by the copyright holders of 363 1.1 skrll that material) supplement the terms of this License with terms: 364 1.1 skrll 365 1.1 skrll a) Disclaiming warranty or limiting liability differently from the 366 1.1 skrll terms of sections 15 and 16 of this License; or 367 1.1 skrll 368 1.1 skrll b) Requiring preservation of specified reasonable legal notices or 369 1.1 skrll author attributions in that material or in the Appropriate Legal 370 1.1 skrll Notices displayed by works containing it; or 371 1.1 skrll 372 1.1 skrll c) Prohibiting misrepresentation of the origin of that material, or 373 1.1 skrll requiring that modified versions of such material be marked in 374 1.1 skrll reasonable ways as different from the original version; or 375 1.1 skrll 376 1.1 skrll d) Limiting the use for publicity purposes of names of licensors or 377 1.1 skrll authors of the material; or 378 1.1 skrll 379 1.1 skrll e) Declining to grant rights under trademark law for use of some 380 1.1 skrll trade names, trademarks, or service marks; or 381 1.1 skrll 382 1.1 skrll f) Requiring indemnification of licensors and authors of that 383 1.1 skrll material by anyone who conveys the material (or modified versions of 384 1.1 skrll it) with contractual assumptions of liability to the recipient, for 385 1.1 skrll any liability that these contractual assumptions directly impose on 386 1.1 skrll those licensors and authors. 387 1.1 skrll 388 1.1 skrll All other non-permissive additional terms are considered "further 389 1.1 skrll restrictions" within the meaning of section 10. If the Program as you 390 1.1 skrll received it, or any part of it, contains a notice stating that it is 391 1.1 skrll governed by this License along with a term that is a further 392 1.1 skrll restriction, you may remove that term. If a license document contains 393 1.1 skrll a further restriction but permits relicensing or conveying under this 394 1.1 skrll License, you may add to a covered work material governed by the terms 395 1.1 skrll of that license document, provided that the further restriction does 396 1.1 skrll not survive such relicensing or conveying. 397 1.1 skrll 398 1.1 skrll If you add terms to a covered work in accord with this section, you 399 1.1 skrll must place, in the relevant source files, a statement of the 400 1.1 skrll additional terms that apply to those files, or a notice indicating 401 1.1 skrll where to find the applicable terms. 402 1.1 skrll 403 1.1 skrll Additional terms, permissive or non-permissive, may be stated in the 404 1.1 skrll form of a separately written license, or stated as exceptions; 405 1.1 skrll the above requirements apply either way. 406 1.1 skrll 407 1.1 skrll 8. Termination. 408 1.1 skrll 409 1.1 skrll You may not propagate or modify a covered work except as expressly 410 1.1 skrll provided under this License. Any attempt otherwise to propagate or 411 1.1 skrll modify it is void, and will automatically terminate your rights under 412 1.1 skrll this License (including any patent licenses granted under the third 413 1.1 skrll paragraph of section 11). 414 1.1 skrll 415 1.1 skrll However, if you cease all violation of this License, then your 416 1.1 skrll license from a particular copyright holder is reinstated (a) 417 1.1 skrll provisionally, unless and until the copyright holder explicitly and 418 1.1 skrll finally terminates your license, and (b) permanently, if the copyright 419 1.1 skrll holder fails to notify you of the violation by some reasonable means 420 1.1 skrll prior to 60 days after the cessation. 421 1.1 skrll 422 1.1 skrll Moreover, your license from a particular copyright holder is 423 1.1 skrll reinstated permanently if the copyright holder notifies you of the 424 1.1 skrll violation by some reasonable means, this is the first time you have 425 1.1 skrll received notice of violation of this License (for any work) from that 426 1.1 skrll copyright holder, and you cure the violation prior to 30 days after 427 1.1 skrll your receipt of the notice. 428 1.1 skrll 429 1.1 skrll Termination of your rights under this section does not terminate the 430 1.1 skrll licenses of parties who have received copies or rights from you under 431 1.1 skrll this License. If your rights have been terminated and not permanently 432 1.1 skrll reinstated, you do not qualify to receive new licenses for the same 433 1.1 skrll material under section 10. 434 1.1 skrll 435 1.1 skrll 9. Acceptance Not Required for Having Copies. 436 1.1 skrll 437 1.1 skrll You are not required to accept this License in order to receive or 438 1.1 skrll run a copy of the Program. Ancillary propagation of a covered work 439 1.1 skrll occurring solely as a consequence of using peer-to-peer transmission 440 1.1 skrll to receive a copy likewise does not require acceptance. However, 441 1.1 skrll nothing other than this License grants you permission to propagate or 442 1.1 skrll modify any covered work. These actions infringe copyright if you do 443 1.1 skrll not accept this License. Therefore, by modifying or propagating a 444 1.1 skrll covered work, you indicate your acceptance of this License to do so. 445 1.1 skrll 446 1.1 skrll 10. Automatic Licensing of Downstream Recipients. 447 1.1 skrll 448 1.1 skrll Each time you convey a covered work, the recipient automatically 449 1.1 skrll receives a license from the original licensors, to run, modify and 450 1.1 skrll propagate that work, subject to this License. You are not responsible 451 1.1 skrll for enforcing compliance by third parties with this License. 452 1.1 skrll 453 1.1 skrll An "entity transaction" is a transaction transferring control of an 454 1.1 skrll organization, or substantially all assets of one, or subdividing an 455 1.1 skrll organization, or merging organizations. If propagation of a covered 456 1.1 skrll work results from an entity transaction, each party to that 457 1.1 skrll transaction who receives a copy of the work also receives whatever 458 1.1 skrll licenses to the work the party's predecessor in interest had or could 459 1.1 skrll give under the previous paragraph, plus a right to possession of the 460 1.1 skrll Corresponding Source of the work from the predecessor in interest, if 461 1.1 skrll the predecessor has it or can get it with reasonable efforts. 462 1.1 skrll 463 1.1 skrll You may not impose any further restrictions on the exercise of the 464 1.1 skrll rights granted or affirmed under this License. For example, you may 465 1.1 skrll not impose a license fee, royalty, or other charge for exercise of 466 1.1 skrll rights granted under this License, and you may not initiate litigation 467 1.1 skrll (including a cross-claim or counterclaim in a lawsuit) alleging that 468 1.1 skrll any patent claim is infringed by making, using, selling, offering for 469 1.1 skrll sale, or importing the Program or any portion of it. 470 1.1 skrll 471 1.1 skrll 11. Patents. 472 1.1 skrll 473 1.1 skrll A "contributor" is a copyright holder who authorizes use under this 474 1.1 skrll License of the Program or a work on which the Program is based. The 475 1.1 skrll work thus licensed is called the contributor's "contributor version". 476 1.1 skrll 477 1.1 skrll A contributor's "essential patent claims" are all patent claims 478 1.1 skrll owned or controlled by the contributor, whether already acquired or 479 1.1 skrll hereafter acquired, that would be infringed by some manner, permitted 480 1.1 skrll by this License, of making, using, or selling its contributor version, 481 1.1 skrll but do not include claims that would be infringed only as a 482 1.1 skrll consequence of further modification of the contributor version. For 483 1.1 skrll purposes of this definition, "control" includes the right to grant 484 1.1 skrll patent sublicenses in a manner consistent with the requirements of 485 1.1 skrll this License. 486 1.1 skrll 487 1.1 skrll Each contributor grants you a non-exclusive, worldwide, royalty-free 488 1.1 skrll patent license under the contributor's essential patent claims, to 489 1.1 skrll make, use, sell, offer for sale, import and otherwise run, modify and 490 1.1 skrll propagate the contents of its contributor version. 491 1.1 skrll 492 1.1 skrll In the following three paragraphs, a "patent license" is any express 493 1.1 skrll agreement or commitment, however denominated, not to enforce a patent 494 1.1 skrll (such as an express permission to practice a patent or covenant not to 495 1.1 skrll sue for patent infringement). To "grant" such a patent license to a 496 1.1 skrll party means to make such an agreement or commitment not to enforce a 497 1.1 skrll patent against the party. 498 1.1 skrll 499 1.1 skrll If you convey a covered work, knowingly relying on a patent license, 500 1.1 skrll and the Corresponding Source of the work is not available for anyone 501 1.1 skrll to copy, free of charge and under the terms of this License, through a 502 1.1 skrll publicly available network server or other readily accessible means, 503 1.1 skrll then you must either (1) cause the Corresponding Source to be so 504 1.1 skrll available, or (2) arrange to deprive yourself of the benefit of the 505 1.1 skrll patent license for this particular work, or (3) arrange, in a manner 506 1.1 skrll consistent with the requirements of this License, to extend the patent 507 1.1 skrll license to downstream recipients. "Knowingly relying" means you have 508 1.1 skrll actual knowledge that, but for the patent license, your conveying the 509 1.1 skrll covered work in a country, or your recipient's use of the covered work 510 1.1 skrll in a country, would infringe one or more identifiable patents in that 511 1.1 skrll country that you have reason to believe are valid. 512 1.1 skrll 513 1.1 skrll If, pursuant to or in connection with a single transaction or 514 1.1 skrll arrangement, you convey, or propagate by procuring conveyance of, a 515 1.1 skrll covered work, and grant a patent license to some of the parties 516 1.1 skrll receiving the covered work authorizing them to use, propagate, modify 517 1.1 skrll or convey a specific copy of the covered work, then the patent license 518 1.1 skrll you grant is automatically extended to all recipients of the covered 519 1.1 skrll work and works based on it. 520 1.1 skrll 521 1.1 skrll A patent license is "discriminatory" if it does not include within 522 1.1 skrll the scope of its coverage, prohibits the exercise of, or is 523 1.1 skrll conditioned on the non-exercise of one or more of the rights that are 524 1.1 skrll specifically granted under this License. You may not convey a covered 525 1.1 skrll work if you are a party to an arrangement with a third party that is 526 1.1 skrll in the business of distributing software, under which you make payment 527 1.1 skrll to the third party based on the extent of your activity of conveying 528 1.1 skrll the work, and under which the third party grants, to any of the 529 1.1 skrll parties who would receive the covered work from you, a discriminatory 530 1.1 skrll patent license (a) in connection with copies of the covered work 531 1.1 skrll conveyed by you (or copies made from those copies), or (b) primarily 532 1.1 skrll for and in connection with specific products or compilations that 533 1.1 skrll contain the covered work, unless you entered into that arrangement, 534 1.1 skrll or that patent license was granted, prior to 28 March 2007. 535 1.1 skrll 536 1.1 skrll Nothing in this License shall be construed as excluding or limiting 537 1.1 skrll any implied license or other defenses to infringement that may 538 1.1 skrll otherwise be available to you under applicable patent law. 539 1.1 skrll 540 1.1 skrll 12. No Surrender of Others' Freedom. 541 1.1 skrll 542 1.1 skrll If conditions are imposed on you (whether by court order, agreement or 543 1.1 skrll otherwise) that contradict the conditions of this License, they do not 544 1.1 skrll excuse you from the conditions of this License. If you cannot convey a 545 1.1 skrll covered work so as to satisfy simultaneously your obligations under this 546 1.1 skrll License and any other pertinent obligations, then as a consequence you may 547 1.1 skrll not convey it at all. For example, if you agree to terms that obligate you 548 1.1 skrll to collect a royalty for further conveying from those to whom you convey 549 1.1 skrll the Program, the only way you could satisfy both those terms and this 550 1.1 skrll License would be to refrain entirely from conveying the Program. 551 1.1 skrll 552 1.1 skrll 13. Use with the GNU Affero General Public License. 553 1.1 skrll 554 1.1 skrll Notwithstanding any other provision of this License, you have 555 1.1 skrll permission to link or combine any covered work with a work licensed 556 1.1 skrll under version 3 of the GNU Affero General Public License into a single 557 1.1 skrll combined work, and to convey the resulting work. The terms of this 558 1.1 skrll License will continue to apply to the part which is the covered work, 559 1.1 skrll but the special requirements of the GNU Affero General Public License, 560 1.1 skrll section 13, concerning interaction through a network will apply to the 561 1.1 skrll combination as such. 562 1.1 skrll 563 1.1 skrll 14. Revised Versions of this License. 564 1.1 skrll 565 1.1 skrll The Free Software Foundation may publish revised and/or new versions of 566 1.1 skrll the GNU General Public License from time to time. Such new versions will 567 1.1 skrll be similar in spirit to the present version, but may differ in detail to 568 1.1 skrll address new problems or concerns. 569 1.1 skrll 570 1.1 skrll Each version is given a distinguishing version number. If the 571 1.1 skrll Program specifies that a certain numbered version of the GNU General 572 1.1 skrll Public License "or any later version" applies to it, you have the 573 1.1 skrll option of following the terms and conditions either of that numbered 574 1.1 skrll version or of any later version published by the Free Software 575 1.1 skrll Foundation. If the Program does not specify a version number of the 576 1.1 skrll GNU General Public License, you may choose any version ever published 577 1.1 skrll by the Free Software Foundation. 578 1.1 skrll 579 1.1 skrll If the Program specifies that a proxy can decide which future 580 1.1 skrll versions of the GNU General Public License can be used, that proxy's 581 1.1 skrll public statement of acceptance of a version permanently authorizes you 582 1.1 skrll to choose that version for the Program. 583 1.1 skrll 584 1.1 skrll Later license versions may give you additional or different 585 1.1 skrll permissions. However, no additional obligations are imposed on any 586 1.1 skrll author or copyright holder as a result of your choosing to follow a 587 1.1 skrll later version. 588 1.1 skrll 589 1.1 skrll 15. Disclaimer of Warranty. 590 1.1 skrll 591 1.1 skrll THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 1.1 skrll APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 1.1 skrll HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 1.1 skrll OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 1.1 skrll THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 1.1 skrll PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 1.1 skrll IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 1.1 skrll ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 1.1 skrll 600 1.1 skrll 16. Limitation of Liability. 601 1.1 skrll 602 1.1 skrll IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 1.1 skrll WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 1.1 skrll THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 1.1 skrll GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 1.1 skrll USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 1.1 skrll DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 1.1 skrll PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 1.1 skrll EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 1.1 skrll SUCH DAMAGES. 611 1.1 skrll 612 1.1 skrll 17. Interpretation of Sections 15 and 16. 613 1.1 skrll 614 1.1 skrll If the disclaimer of warranty and limitation of liability provided 615 1.1 skrll above cannot be given local legal effect according to their terms, 616 1.1 skrll reviewing courts shall apply local law that most closely approximates 617 1.1 skrll an absolute waiver of all civil liability in connection with the 618 1.1 skrll Program, unless a warranty or assumption of liability accompanies a 619 1.1 skrll copy of the Program in return for a fee. 620 1.1 skrll 621 1.1 skrll END OF TERMS AND CONDITIONS 622 1.1 skrll 623 1.1 skrll How to Apply These Terms to Your New Programs 624 1.1 skrll 625 1.1 skrll If you develop a new program, and you want it to be of the greatest 626 1.1 skrll possible use to the public, the best way to achieve this is to make it 627 1.1 skrll free software which everyone can redistribute and change under these terms. 628 1.1 skrll 629 1.1 skrll To do so, attach the following notices to the program. It is safest 630 1.1 skrll to attach them to the start of each source file to most effectively 631 1.1 skrll state the exclusion of warranty; and each file should have at least 632 1.1 skrll the "copyright" line and a pointer to where the full notice is found. 633 1.1 skrll 634 1.1 skrll <one line to give the program's name and a brief idea of what it does.> 635 1.1 skrll Copyright (C) <year> <name of author> 636 1.1 skrll 637 1.1 skrll This program is free software: you can redistribute it and/or modify 638 1.1 skrll it under the terms of the GNU General Public License as published by 639 1.1 skrll the Free Software Foundation, either version 3 of the License, or 640 1.1 skrll (at your option) any later version. 641 1.1 skrll 642 1.1 skrll This program is distributed in the hope that it will be useful, 643 1.1 skrll but WITHOUT ANY WARRANTY; without even the implied warranty of 644 1.1 skrll MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 1.1 skrll GNU General Public License for more details. 646 1.1 skrll 647 1.1 skrll You should have received a copy of the GNU General Public License 648 1.1 skrll along with this program. If not, see <http://www.gnu.org/licenses/>. 649 1.1 skrll 650 1.1 skrll Also add information on how to contact you by electronic and paper mail. 651 1.1 skrll 652 1.1 skrll If the program does terminal interaction, make it output a short 653 1.1 skrll notice like this when it starts in an interactive mode: 654 1.1 skrll 655 1.1 skrll <program> Copyright (C) <year> <name of author> 656 1.1 skrll This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 1.1 skrll This is free software, and you are welcome to redistribute it 658 1.1 skrll under certain conditions; type `show c' for details. 659 1.1 skrll 660 1.1 skrll The hypothetical commands `show w' and `show c' should show the appropriate 661 1.1 skrll parts of the General Public License. Of course, your program's commands 662 1.1 skrll might be different; for a GUI interface, you would use an "about box". 663 1.1 skrll 664 1.1 skrll You should also get your employer (if you work as a programmer) or school, 665 1.1 skrll if any, to sign a "copyright disclaimer" for the program, if necessary. 666 1.1 skrll For more information on this, and how to apply and follow the GNU GPL, see 667 1.1 skrll <http://www.gnu.org/licenses/>. 668 1.1 skrll 669 1.1 skrll The GNU General Public License does not permit incorporating your program 670 1.1 skrll into proprietary programs. If your program is a subroutine library, you 671 1.1 skrll may consider it more useful to permit linking proprietary applications with 672 1.1 skrll the library. If this is what you want to do, use the GNU Lesser General 673 1.1 skrll Public License instead of this License. But first, please read 674 1.1 skrll <http://www.gnu.org/philosophy/why-not-lgpl.html>. 675