1GNU General Public License 2========================== 3 4_Version 3, 29 June 2007_ 5_Copyright © 2007 Free Software Foundation, Inc. <<http://fsf.org/>>_ 6 7Everyone is permitted to copy and distribute verbatim copies of this license 8document, but changing it is not allowed. 9 10## Preamble 11 12The GNU General Public License is a free, copyleft license for software and other 13kinds of works. 14 15The licenses for most software and other practical works are designed to take away 16your freedom to share and change the works. By contrast, the GNU General Public 17License is intended to guarantee your freedom to share and change all versions of a 18program--to make sure it remains free software for all its users. We, the Free 19Software Foundation, use the GNU General Public License for most of our software; it 20applies also to any other work released this way by its authors. You can apply it to 21your programs, too. 22 23When we speak of free software, we are referring to freedom, not price. Our General 24Public Licenses are designed to make sure that you have the freedom to distribute 25copies of free software (and charge for them if you wish), that you receive source 26code or can get it if you want it, that you can change the software or use pieces of 27it in new free programs, and that you know you can do these things. 28 29To protect your rights, we need to prevent others from denying you these rights or 30asking you to surrender the rights. Therefore, you have certain responsibilities if 31you distribute copies of the software, or if you modify it: responsibilities to 32respect the freedom of others. 33 34For example, if you distribute copies of such a program, whether gratis or for a fee, 35you must pass on to the recipients the same freedoms that you received. You must make 36sure that they, too, receive or can get the source code. And you must show them these 37terms so they know their rights. 38 39Developers that use the GNU GPL protect your rights with two steps: **(1)** assert 40copyright on the software, and **(2)** offer you this License giving you legal permission 41to copy, distribute and/or modify it. 42 43For the developers' and authors' protection, the GPL clearly explains that there is 44no warranty for this free software. For both users' and authors' sake, the GPL 45requires that modified versions be marked as changed, so that their problems will not 46be attributed erroneously to authors of previous versions. 47 48Some devices are designed to deny users access to install or run modified versions of 49the software inside them, although the manufacturer can do so. This is fundamentally 50incompatible with the aim of protecting users' freedom to change the software. The 51systematic pattern of such abuse occurs in the area of products for individuals to 52use, which is precisely where it is most unacceptable. Therefore, we have designed 53this version of the GPL to prohibit the practice for those products. If such problems 54arise substantially in other domains, we stand ready to extend this provision to 55those domains in future versions of the GPL, as needed to protect the freedom of 56users. 57 58Finally, every program is threatened constantly by software patents. States should 59not allow patents to restrict development and use of software on general-purpose 60computers, but in those that do, we wish to avoid the special danger that patents 61applied to a free program could make it effectively proprietary. To prevent this, the 62GPL assures that patents cannot be used to render the program non-free. 63 64The precise terms and conditions for copying, distribution and modification follow. 65 66## TERMS AND CONDITIONS 67 68### 0. Definitions 69 70“This License” refers to version 3 of the GNU General Public License. 71 72“Copyright” also means copyright-like laws that apply to other kinds of 73works, such as semiconductor masks. 74 75“The Program” refers to any copyrightable work licensed under this 76License. Each licensee is addressed as “you”. “Licensees” and 77“recipients” may be individuals or organizations. 78 79To “modify” a work means to copy from or adapt all or part of the work in 80a fashion requiring copyright permission, other than the making of an exact copy. The 81resulting work is called a “modified version” of the earlier work or a 82work “based on” the earlier work. 83 84A “covered work” means either the unmodified Program or a work based on 85the Program. 86 87To “propagate” a work means to do anything with it that, without 88permission, would make you directly or secondarily liable for infringement under 89applicable copyright law, except executing it on a computer or modifying a private 90copy. Propagation includes copying, distribution (with or without modification), 91making available to the public, and in some countries other activities as well. 92 93To “convey” a work means any kind of propagation that enables other 94parties to make or receive copies. Mere interaction with a user through a computer 95network, with no transfer of a copy, is not conveying. 96 97An interactive user interface displays “Appropriate Legal Notices” to the 98extent that it includes a convenient and prominently visible feature that **(1)** 99displays an appropriate copyright notice, and **(2)** tells the user that there is no 100warranty for the work (except to the extent that warranties are provided), that 101licensees may convey the work under this License, and how to view a copy of this 102License. If the interface presents a list of user commands or options, such as a 103menu, a prominent item in the list meets this criterion. 104 105### 1. Source Code 106 107The “source code” for a work means the preferred form of the work for 108making modifications to it. “Object code” means any non-source form of a 109work. 110 111A “Standard Interface” means an interface that either is an official 112standard defined by a recognized standards body, or, in the case of interfaces 113specified for a particular programming language, one that is widely used among 114developers working in that language. 115 116The “System Libraries” of an executable work include anything, other than 117the work as a whole, that **(a)** is included in the normal form of packaging a Major 118Component, but which is not part of that Major Component, and **(b)** serves only to 119enable use of the work with that Major Component, or to implement a Standard 120Interface for which an implementation is available to the public in source code form. 121A “Major Component”, in this context, means a major essential component 122(kernel, window system, and so on) of the specific operating system (if any) on which 123the executable work runs, or a compiler used to produce the work, or an object code 124interpreter used to run it. 125 126The “Corresponding Source” for a work in object code form means all the 127source code needed to generate, install, and (for an executable work) run the object 128code and to modify the work, including scripts to control those activities. However, 129it does not include the work's System Libraries, or general-purpose tools or 130generally available free programs which are used unmodified in performing those 131activities but which are not part of the work. For example, Corresponding Source 132includes interface definition files associated with source files for the work, and 133the source code for shared libraries and dynamically linked subprograms that the work 134is specifically designed to require, such as by intimate data communication or 135control flow between those subprograms and other parts of the work. 136 137The Corresponding Source need not include anything that users can regenerate 138automatically from other parts of the Corresponding Source. 139 140The Corresponding Source for a work in source code form is that same work. 141 142### 2. Basic Permissions 143 144All rights granted under this License are granted for the term of copyright on the 145Program, and are irrevocable provided the stated conditions are met. This License 146explicitly affirms your unlimited permission to run the unmodified Program. The 147output from running a covered work is covered by this License only if the output, 148given its content, constitutes a covered work. This License acknowledges your rights 149of fair use or other equivalent, as provided by copyright law. 150 151You may make, run and propagate covered works that you do not convey, without 152conditions so long as your license otherwise remains in force. You may convey covered 153works to others for the sole purpose of having them make modifications exclusively 154for you, or provide you with facilities for running those works, provided that you 155comply with the terms of this License in conveying all material for which you do not 156control copyright. Those thus making or running the covered works for you must do so 157exclusively on your behalf, under your direction and control, on terms that prohibit 158them from making any copies of your copyrighted material outside their relationship 159with you. 160 161Conveying under any other circumstances is permitted solely under the conditions 162stated below. Sublicensing is not allowed; section 10 makes it unnecessary. 163 164### 3. Protecting Users' Legal Rights From Anti-Circumvention Law 165 166No covered work shall be deemed part of an effective technological measure under any 167applicable law fulfilling obligations under article 11 of the WIPO copyright treaty 168adopted on 20 December 1996, or similar laws prohibiting or restricting circumvention 169of such measures. 170 171When you convey a covered work, you waive any legal power to forbid circumvention of 172technological measures to the extent such circumvention is effected by exercising 173rights under this License with respect to the covered work, and you disclaim any 174intention to limit operation or modification of the work as a means of enforcing, 175against the work's users, your or third parties' legal rights to forbid circumvention 176of technological measures. 177 178### 4. Conveying Verbatim Copies 179 180You may convey verbatim copies of the Program's source code as you receive it, in any 181medium, provided that you conspicuously and appropriately publish on each copy an 182appropriate copyright notice; keep intact all notices stating that this License and 183any non-permissive terms added in accord with section 7 apply to the code; keep 184intact all notices of the absence of any warranty; and give all recipients a copy of 185this License along with the Program. 186 187You may charge any price or no price for each copy that you convey, and you may offer 188support or warranty protection for a fee. 189 190### 5. Conveying Modified Source Versions 191 192You may convey a work based on the Program, or the modifications to produce it from 193the Program, in the form of source code under the terms of section 4, provided that 194you also meet all of these conditions: 195 196* **a)** The work must carry prominent notices stating that you modified it, and giving a 197relevant date. 198* **b)** The work must carry prominent notices stating that it is released under this 199License and any conditions added under section 7. This requirement modifies the 200requirement in section 4 to “keep intact all notices”. 201* **c)** You must license the entire work, as a whole, under this License to anyone who 202comes into possession of a copy. This License will therefore apply, along with any 203applicable section 7 additional terms, to the whole of the work, and all its parts, 204regardless of how they are packaged. This License gives no permission to license the 205work in any other way, but it does not invalidate such permission if you have 206separately received it. 207* **d)** If the work has interactive user interfaces, each must display Appropriate Legal 208Notices; however, if the Program has interactive interfaces that do not display 209Appropriate Legal Notices, your work need not make them do so. 210 211A compilation of a covered work with other separate and independent works, which are 212not by their nature extensions of the covered work, and which are not combined with 213it such as to form a larger program, in or on a volume of a storage or distribution 214medium, is called an “aggregate” if the compilation and its resulting 215copyright are not used to limit the access or legal rights of the compilation's users 216beyond what the individual works permit. Inclusion of a covered work in an aggregate 217does not cause this License to apply to the other parts of the aggregate. 218 219### 6. Conveying Non-Source Forms 220 221You may convey a covered work in object code form under the terms of sections 4 and 2225, provided that you also convey the machine-readable Corresponding Source under the 223terms of this License, in one of these ways: 224 225* **a)** Convey the object code in, or embodied in, a physical product (including a 226physical distribution medium), accompanied by the Corresponding Source fixed on a 227durable physical medium customarily used for software interchange. 228* **b)** Convey the object code in, or embodied in, a physical product (including a 229physical distribution medium), accompanied by a written offer, valid for at least 230three years and valid for as long as you offer spare parts or customer support for 231that product model, to give anyone who possesses the object code either **(1)** a copy of 232the Corresponding Source for all the software in the product that is covered by this 233License, on a durable physical medium customarily used for software interchange, for 234a price no more than your reasonable cost of physically performing this conveying of 235source, or **(2)** access to copy the Corresponding Source from a network server at no 236charge. 237* **c)** Convey individual copies of the object code with a copy of the written offer to 238provide the Corresponding Source. This alternative is allowed only occasionally and 239noncommercially, and only if you received the object code with such an offer, in 240accord with subsection 6b. 241* **d)** Convey the object code by offering access from a designated place (gratis or for 242a charge), and offer equivalent access to the Corresponding Source in the same way 243through the same place at no further charge. You need not require recipients to copy 244the Corresponding Source along with the object code. If the place to copy the object 245code is a network server, the Corresponding Source may be on a different server 246(operated by you or a third party) that supports equivalent copying facilities, 247provided you maintain clear directions next to the object code saying where to find 248the Corresponding Source. Regardless of what server hosts the Corresponding Source, 249you remain obligated to ensure that it is available for as long as needed to satisfy 250these requirements. 251* **e)** Convey the object code using peer-to-peer transmission, provided you inform 252other peers where the object code and Corresponding Source of the work are being 253offered to the general public at no charge under subsection 6d. 254 255A separable portion of the object code, whose source code is excluded from the 256Corresponding Source as a System Library, need not be included in conveying the 257object code work. 258 259A “User Product” is either **(1)** a “consumer product”, which 260means any tangible personal property which is normally used for personal, family, or 261household purposes, or **(2)** anything designed or sold for incorporation into a 262dwelling. In determining whether a product is a consumer product, doubtful cases 263shall be resolved in favor of coverage. For a particular product received by a 264particular user, “normally used” refers to a typical or common use of 265that class of product, regardless of the status of the particular user or of the way 266in which the particular user actually uses, or expects or is expected to use, the 267product. A product is a consumer product regardless of whether the product has 268substantial commercial, industrial or non-consumer uses, unless such uses represent 269the only significant mode of use of the product. 270 271“Installation Information” for a User Product means any methods, 272procedures, authorization keys, or other information required to install and execute 273modified versions of a covered work in that User Product from a modified version of 274its Corresponding Source. The information must suffice to ensure that the continued 275functioning of the modified object code is in no case prevented or interfered with 276solely because modification has been made. 277 278If you convey an object code work under this section in, or with, or specifically for 279use in, a User Product, and the conveying occurs as part of a transaction in which 280the right of possession and use of the User Product is transferred to the recipient 281in perpetuity or for a fixed term (regardless of how the transaction is 282characterized), the Corresponding Source conveyed under this section must be 283accompanied by the Installation Information. But this requirement does not apply if 284neither you nor any third party retains the ability to install modified object code 285on the User Product (for example, the work has been installed in ROM). 286 287The requirement to provide Installation Information does not include a requirement to 288continue to provide support service, warranty, or updates for a work that has been 289modified or installed by the recipient, or for the User Product in which it has been 290modified or installed. Access to a network may be denied when the modification itself 291materially and adversely affects the operation of the network or violates the rules 292and protocols for communication across the network. 293 294Corresponding Source conveyed, and Installation Information provided, in accord with 295this section must be in a format that is publicly documented (and with an 296implementation available to the public in source code form), and must require no 297special password or key for unpacking, reading or copying. 298 299### 7. Additional Terms 300 301“Additional permissions” are terms that supplement the terms of this 302License by making exceptions from one or more of its conditions. Additional 303permissions that are applicable to the entire Program shall be treated as though they 304were included in this License, to the extent that they are valid under applicable 305law. If additional permissions apply only to part of the Program, that part may be 306used separately under those permissions, but the entire Program remains governed by 307this License without regard to the additional permissions. 308 309When you convey a copy of a covered work, you may at your option remove any 310additional permissions from that copy, or from any part of it. (Additional 311permissions may be written to require their own removal in certain cases when you 312modify the work.) You may place additional permissions on material, added by you to a 313covered work, for which you have or can give appropriate copyright permission. 314 315Notwithstanding any other provision of this License, for material you add to a 316covered work, you may (if authorized by the copyright holders of that material) 317supplement the terms of this License with terms: 318 319* **a)** Disclaiming warranty or limiting liability differently from the terms of 320sections 15 and 16 of this License; or 321* **b)** Requiring preservation of specified reasonable legal notices or author 322attributions in that material or in the Appropriate Legal Notices displayed by works 323containing it; or 324* **c)** Prohibiting misrepresentation of the origin of that material, or requiring that 325modified versions of such material be marked in reasonable ways as different from the 326original version; or 327* **d)** Limiting the use for publicity purposes of names of licensors or authors of the 328material; or 329* **e)** Declining to grant rights under trademark law for use of some trade names, 330trademarks, or service marks; or 331* **f)** Requiring indemnification of licensors and authors of that material by anyone 332who conveys the material (or modified versions of it) with contractual assumptions of 333liability to the recipient, for any liability that these contractual assumptions 334directly impose on those licensors and authors. 335 336All other non-permissive additional terms are considered “further 337restrictions” within the meaning of section 10. If the Program as you received 338it, or any part of it, contains a notice stating that it is governed by this License 339along with a term that is a further restriction, you may remove that term. If a 340license document contains a further restriction but permits relicensing or conveying 341under this License, you may add to a covered work material governed by the terms of 342that license document, provided that the further restriction does not survive such 343relicensing or conveying. 344 345If you add terms to a covered work in accord with this section, you must place, in 346the relevant source files, a statement of the additional terms that apply to those 347files, or a notice indicating where to find the applicable terms. 348 349Additional terms, permissive or non-permissive, may be stated in the form of a 350separately written license, or stated as exceptions; the above requirements apply 351either way. 352 353### 8. Termination 354 355You may not propagate or modify a covered work except as expressly provided under 356this License. Any attempt otherwise to propagate or modify it is void, and will 357automatically terminate your rights under this License (including any patent licenses 358granted under the third paragraph of section 11). 359 360However, if you cease all violation of this License, then your license from a 361particular copyright holder is reinstated **(a)** provisionally, unless and until the 362copyright holder explicitly and finally terminates your license, and **(b)** permanently, 363if the copyright holder fails to notify you of the violation by some reasonable means 364prior to 60 days after the cessation. 365 366Moreover, your license from a particular copyright holder is reinstated permanently 367if the copyright holder notifies you of the violation by some reasonable means, this 368is the first time you have received notice of violation of this License (for any 369work) from that copyright holder, and you cure the violation prior to 30 days after 370your receipt of the notice. 371 372Termination of your rights under this section does not terminate the licenses of 373parties who have received copies or rights from you under this License. If your 374rights have been terminated and not permanently reinstated, you do not qualify to 375receive new licenses for the same material under section 10. 376 377### 9. Acceptance Not Required for Having Copies 378 379You are not required to accept this License in order to receive or run a copy of the 380Program. Ancillary propagation of a covered work occurring solely as a consequence of 381using peer-to-peer transmission to receive a copy likewise does not require 382acceptance. However, nothing other than this License grants you permission to 383propagate or modify any covered work. These actions infringe copyright if you do not 384accept this License. Therefore, by modifying or propagating a covered work, you 385indicate your acceptance of this License to do so. 386 387### 10. Automatic Licensing of Downstream Recipients 388 389Each time you convey a covered work, the recipient automatically receives a license 390from the original licensors, to run, modify and propagate that work, subject to this 391License. You are not responsible for enforcing compliance by third parties with this 392License. 393 394An “entity transaction” is a transaction transferring control of an 395organization, or substantially all assets of one, or subdividing an organization, or 396merging organizations. If propagation of a covered work results from an entity 397transaction, each party to that transaction who receives a copy of the work also 398receives whatever licenses to the work the party's predecessor in interest had or 399could give under the previous paragraph, plus a right to possession of the 400Corresponding Source of the work from the predecessor in interest, if the predecessor 401has it or can get it with reasonable efforts. 402 403You may not impose any further restrictions on the exercise of the rights granted or 404affirmed under this License. For example, you may not impose a license fee, royalty, 405or other charge for exercise of rights granted under this License, and you may not 406initiate litigation (including a cross-claim or counterclaim in a lawsuit) alleging 407that any patent claim is infringed by making, using, selling, offering for sale, or 408importing the Program or any portion of it. 409 410### 11. Patents 411 412A “contributor” is a copyright holder who authorizes use under this 413License of the Program or a work on which the Program is based. The work thus 414licensed is called the contributor's “contributor version”. 415 416A contributor's “essential patent claims” are all patent claims owned or 417controlled by the contributor, whether already acquired or hereafter acquired, that 418would be infringed by some manner, permitted by this License, of making, using, or 419selling its contributor version, but do not include claims that would be infringed 420only as a consequence of further modification of the contributor version. For 421purposes of this definition, “control” includes the right to grant patent 422sublicenses in a manner consistent with the requirements of this License. 423 424Each contributor grants you a non-exclusive, worldwide, royalty-free patent license 425under the contributor's essential patent claims, to make, use, sell, offer for sale, 426import and otherwise run, modify and propagate the contents of its contributor 427version. 428 429In the following three paragraphs, a “patent license” is any express 430agreement or commitment, however denominated, not to enforce a patent (such as an 431express permission to practice a patent or covenant not to sue for patent 432infringement). To “grant” such a patent license to a party means to make 433such an agreement or commitment not to enforce a patent against the party. 434 435If you convey a covered work, knowingly relying on a patent license, and the 436Corresponding Source of the work is not available for anyone to copy, free of charge 437and under the terms of this License, through a publicly available network server or 438other readily accessible means, then you must either **(1)** cause the Corresponding 439Source to be so available, or **(2)** arrange to deprive yourself of the benefit of the 440patent license for this particular work, or **(3)** arrange, in a manner consistent with 441the requirements of this License, to extend the patent license to downstream 442recipients. “Knowingly relying” means you have actual knowledge that, but 443for the patent license, your conveying the covered work in a country, or your 444recipient's use of the covered work in a country, would infringe one or more 445identifiable patents in that country that you have reason to believe are valid. 446 447If, pursuant to or in connection with a single transaction or arrangement, you 448convey, or propagate by procuring conveyance of, a covered work, and grant a patent 449license to some of the parties receiving the covered work authorizing them to use, 450propagate, modify or convey a specific copy of the covered work, then the patent 451license you grant is automatically extended to all recipients of the covered work and 452works based on it. 453 454A patent license is “discriminatory” if it does not include within the 455scope of its coverage, prohibits the exercise of, or is conditioned on the 456non-exercise of one or more of the rights that are specifically granted under this 457License. You may not convey a covered work if you are a party to an arrangement with 458a third party that is in the business of distributing software, under which you make 459payment to the third party based on the extent of your activity of conveying the 460work, and under which the third party grants, to any of the parties who would receive 461the covered work from you, a discriminatory patent license **(a)** in connection with 462copies of the covered work conveyed by you (or copies made from those copies), or **(b)** 463primarily for and in connection with specific products or compilations that contain 464the covered work, unless you entered into that arrangement, or that patent license 465was granted, prior to 28 March 2007. 466 467Nothing in this License shall be construed as excluding or limiting any implied 468license or other defenses to infringement that may otherwise be available to you 469under applicable patent law. 470 471### 12. No Surrender of Others' Freedom 472 473If conditions are imposed on you (whether by court order, agreement or otherwise) 474that contradict the conditions of this License, they do not excuse you from the 475conditions of this License. If you cannot convey a covered work so as to satisfy 476simultaneously your obligations under this License and any other pertinent 477obligations, then as a consequence you may not convey it at all. For example, if you 478agree to terms that obligate you to collect a royalty for further conveying from 479those to whom you convey the Program, the only way you could satisfy both those terms 480and this License would be to refrain entirely from conveying the Program. 481 482### 13. Use with the GNU Affero General Public License 483 484Notwithstanding any other provision of this License, you have permission to link or 485combine any covered work with a work licensed under version 3 of the GNU Affero 486General Public License into a single combined work, and to convey the resulting work. 487The terms of this License will continue to apply to the part which is the covered 488work, but the special requirements of the GNU Affero General Public License, section 48913, concerning interaction through a network will apply to the combination as such. 490 491### 14. Revised Versions of this License 492 493The Free Software Foundation may publish revised and/or new versions of the GNU 494General Public License from time to time. Such new versions will be similar in spirit 495to the present version, but may differ in detail to address new problems or concerns. 496 497Each version is given a distinguishing version number. If the Program specifies that 498a certain numbered version of the GNU General Public License “or any later 499version” applies to it, you have the option of following the terms and 500conditions either of that numbered version or of any later version published by the 501Free Software Foundation. If the Program does not specify a version number of the GNU 502General Public License, you may choose any version ever published by the Free 503Software Foundation. 504 505If the Program specifies that a proxy can decide which future versions of the GNU 506General Public License can be used, that proxy's public statement of acceptance of a 507version permanently authorizes you to choose that version for the Program. 508 509Later license versions may give you additional or different permissions. However, no 510additional obligations are imposed on any author or copyright holder as a result of 511your choosing to follow a later version. 512 513### 15. Disclaimer of Warranty 514 515THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. 516EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES 517PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER 518EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 519MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE 520QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE 521DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 522 523### 16. Limitation of Liability 524 525IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY 526COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS 527PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, 528INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE 529PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE 530OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE 531WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE 532POSSIBILITY OF SUCH DAMAGES. 533 534### 17. Interpretation of Sections 15 and 16 535 536If the disclaimer of warranty and limitation of liability provided above cannot be 537given local legal effect according to their terms, reviewing courts shall apply local 538law that most closely approximates an absolute waiver of all civil liability in 539connection with the Program, unless a warranty or assumption of liability accompanies 540a copy of the Program in return for a fee. 541 542_END OF TERMS AND CONDITIONS_ 543 544## How to Apply These Terms to Your New Programs 545 546If you develop a new program, and you want it to be of the greatest possible use to 547the public, the best way to achieve this is to make it free software which everyone 548can redistribute and change under these terms. 549 550To do so, attach the following notices to the program. It is safest to attach them 551to the start of each source file to most effectively state the exclusion of warranty; 552and each file should have at least the “copyright” line and a pointer to 553where the full notice is found. 554 555 <one line to give the program's name and a brief idea of what it does.> 556 Copyright (C) <year> <name of author> 557 558 This program is free software: you can redistribute it and/or modify 559 it under the terms of the GNU General Public License as published by 560 the Free Software Foundation, either version 3 of the License, or 561 (at your option) any later version. 562 563 This program is distributed in the hope that it will be useful, 564 but WITHOUT ANY WARRANTY; without even the implied warranty of 565 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 566 GNU General Public License for more details. 567 568 You should have received a copy of the GNU General Public License 569 along with this program. If not, see <http://www.gnu.org/licenses/>. 570 571Also add information on how to contact you by electronic and paper mail. 572 573If the program does terminal interaction, make it output a short notice like this 574when it starts in an interactive mode: 575 576 <program> Copyright (C) <year> <name of author> 577 This program comes with ABSOLUTELY NO WARRANTY; for details type 'show w'. 578 This is free software, and you are welcome to redistribute it 579 under certain conditions; type 'show c' for details. 580 581The hypothetical commands `show w` and `show c` should show the appropriate parts of 582the General Public License. Of course, your program's commands might be different; 583for a GUI interface, you would use an “about box”. 584 585You should also get your employer (if you work as a programmer) or school, if any, to 586sign a “copyright disclaimer” for the program, if necessary. For more 587information on this, and how to apply and follow the GNU GPL, see 588<<http://www.gnu.org/licenses/>>. 589 590The GNU General Public License does not permit incorporating your program into 591proprietary programs. If your program is a subroutine library, you may consider it 592more useful to permit linking proprietary applications with the library. If this is 593what you want to do, use the GNU Lesser General Public License instead of this 594License. But first, please read 595<<http://www.gnu.org/philosophy/why-not-lgpl.html>>. 596