nuclear@0: GNU GENERAL PUBLIC LICENSE nuclear@0: Version 2, June 1991 nuclear@0: nuclear@0: Copyright (C) 1989, 1991 Free Software Foundation, Inc., nuclear@0: 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA nuclear@0: Everyone is permitted to copy and distribute verbatim copies nuclear@0: of this license document, but changing it is not allowed. nuclear@0: nuclear@0: Preamble nuclear@0: nuclear@0: The licenses for most software are designed to take away your nuclear@0: freedom to share and change it. By contrast, the GNU General Public nuclear@0: License is intended to guarantee your freedom to share and change free nuclear@0: software--to make sure the software is free for all its users. This nuclear@0: General Public License applies to most of the Free Software nuclear@0: Foundation's software and to any other program whose authors commit to nuclear@0: using it. (Some other Free Software Foundation software is covered by nuclear@0: the GNU Lesser General Public License instead.) You can apply it to nuclear@0: your programs, too. nuclear@0: nuclear@0: When we speak of free software, we are referring to freedom, not nuclear@0: price. Our General Public Licenses are designed to make sure that you nuclear@0: have the freedom to distribute copies of free software (and charge for nuclear@0: this service if you wish), that you receive source code or can get it nuclear@0: if you want it, that you can change the software or use pieces of it nuclear@0: in new free programs; and that you know you can do these things. nuclear@0: nuclear@0: To protect your rights, we need to make restrictions that forbid nuclear@0: anyone to deny you these rights or to ask you to surrender the rights. nuclear@0: These restrictions translate to certain responsibilities for you if you nuclear@0: distribute copies of the software, or if you modify it. nuclear@0: nuclear@0: For example, if you distribute copies of such a program, whether nuclear@0: gratis or for a fee, you must give the recipients all the rights that nuclear@0: you have. You must make sure that they, too, receive or can get the nuclear@0: source code. And you must show them these terms so they know their nuclear@0: rights. nuclear@0: nuclear@0: We protect your rights with two steps: (1) copyright the software, and nuclear@0: (2) offer you this license which gives you legal permission to copy, nuclear@0: distribute and/or modify the software. nuclear@0: nuclear@0: Also, for each author's protection and ours, we want to make certain nuclear@0: that everyone understands that there is no warranty for this free nuclear@0: software. If the software is modified by someone else and passed on, we nuclear@0: want its recipients to know that what they have is not the original, so nuclear@0: that any problems introduced by others will not reflect on the original nuclear@0: authors' reputations. nuclear@0: nuclear@0: Finally, any free program is threatened constantly by software nuclear@0: patents. We wish to avoid the danger that redistributors of a free nuclear@0: program will individually obtain patent licenses, in effect making the nuclear@0: program proprietary. To prevent this, we have made it clear that any nuclear@0: patent must be licensed for everyone's free use or not licensed at all. nuclear@0: nuclear@0: The precise terms and conditions for copying, distribution and nuclear@0: modification follow. nuclear@0: nuclear@0: GNU GENERAL PUBLIC LICENSE nuclear@0: TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION nuclear@0: nuclear@0: 0. This License applies to any program or other work which contains nuclear@0: a notice placed by the copyright holder saying it may be distributed nuclear@0: under the terms of this General Public License. The "Program", below, nuclear@0: refers to any such program or work, and a "work based on the Program" nuclear@0: means either the Program or any derivative work under copyright law: nuclear@0: that is to say, a work containing the Program or a portion of it, nuclear@0: either verbatim or with modifications and/or translated into another nuclear@0: language. (Hereinafter, translation is included without limitation in nuclear@0: the term "modification".) Each licensee is addressed as "you". nuclear@0: nuclear@0: Activities other than copying, distribution and modification are not nuclear@0: covered by this License; they are outside its scope. The act of nuclear@0: running the Program is not restricted, and the output from the Program nuclear@0: is covered only if its contents constitute a work based on the nuclear@0: Program (independent of having been made by running the Program). nuclear@0: Whether that is true depends on what the Program does. nuclear@0: nuclear@0: 1. You may copy and distribute verbatim copies of the Program's nuclear@0: source code as you receive it, in any medium, provided that you nuclear@0: conspicuously and appropriately publish on each copy an appropriate nuclear@0: copyright notice and disclaimer of warranty; keep intact all the nuclear@0: notices that refer to this License and to the absence of any warranty; nuclear@0: and give any other recipients of the Program a copy of this License nuclear@0: along with the Program. nuclear@0: nuclear@0: You may charge a fee for the physical act of transferring a copy, and nuclear@0: you may at your option offer warranty protection in exchange for a fee. nuclear@0: nuclear@0: 2. You may modify your copy or copies of the Program or any portion nuclear@0: of it, thus forming a work based on the Program, and copy and nuclear@0: distribute such modifications or work under the terms of Section 1 nuclear@0: above, provided that you also meet all of these conditions: nuclear@0: nuclear@0: a) You must cause the modified files to carry prominent notices nuclear@0: stating that you changed the files and the date of any change. nuclear@0: nuclear@0: b) You must cause any work that you distribute or publish, that in nuclear@0: whole or in part contains or is derived from the Program or any nuclear@0: part thereof, to be licensed as a whole at no charge to all third nuclear@0: parties under the terms of this License. nuclear@0: nuclear@0: c) If the modified program normally reads commands interactively nuclear@0: when run, you must cause it, when started running for such nuclear@0: interactive use in the most ordinary way, to print or display an nuclear@0: announcement including an appropriate copyright notice and a nuclear@0: notice that there is no warranty (or else, saying that you provide nuclear@0: a warranty) and that users may redistribute the program under nuclear@0: these conditions, and telling the user how to view a copy of this nuclear@0: License. (Exception: if the Program itself is interactive but nuclear@0: does not normally print such an announcement, your work based on nuclear@0: the Program is not required to print an announcement.) nuclear@0: nuclear@0: These requirements apply to the modified work as a whole. If nuclear@0: identifiable sections of that work are not derived from the Program, nuclear@0: and can be reasonably considered independent and separate works in nuclear@0: themselves, then this License, and its terms, do not apply to those nuclear@0: sections when you distribute them as separate works. But when you nuclear@0: distribute the same sections as part of a whole which is a work based nuclear@0: on the Program, the distribution of the whole must be on the terms of nuclear@0: this License, whose permissions for other licensees extend to the nuclear@0: entire whole, and thus to each and every part regardless of who wrote it. nuclear@0: nuclear@0: Thus, it is not the intent of this section to claim rights or contest nuclear@0: your rights to work written entirely by you; rather, the intent is to nuclear@0: exercise the right to control the distribution of derivative or nuclear@0: collective works based on the Program. nuclear@0: nuclear@0: In addition, mere aggregation of another work not based on the Program nuclear@0: with the Program (or with a work based on the Program) on a volume of nuclear@0: a storage or distribution medium does not bring the other work under nuclear@0: the scope of this License. nuclear@0: nuclear@0: 3. You may copy and distribute the Program (or a work based on it, nuclear@0: under Section 2) in object code or executable form under the terms of nuclear@0: Sections 1 and 2 above provided that you also do one of the following: nuclear@0: nuclear@0: a) Accompany it with the complete corresponding machine-readable nuclear@0: source code, which must be distributed under the terms of Sections nuclear@0: 1 and 2 above on a medium customarily used for software interchange; or, nuclear@0: nuclear@0: b) Accompany it with a written offer, valid for at least three nuclear@0: years, to give any third party, for a charge no more than your nuclear@0: cost of physically performing source distribution, a complete nuclear@0: machine-readable copy of the corresponding source code, to be nuclear@0: distributed under the terms of Sections 1 and 2 above on a medium nuclear@0: customarily used for software interchange; or, nuclear@0: nuclear@0: c) Accompany it with the information you received as to the offer nuclear@0: to distribute corresponding source code. (This alternative is nuclear@0: allowed only for noncommercial distribution and only if you nuclear@0: received the program in object code or executable form with such nuclear@0: an offer, in accord with Subsection b above.) nuclear@0: nuclear@0: The source code for a work means the preferred form of the work for nuclear@0: making modifications to it. For an executable work, complete source nuclear@0: code means all the source code for all modules it contains, plus any nuclear@0: associated interface definition files, plus the scripts used to nuclear@0: control compilation and installation of the executable. However, as a nuclear@0: special exception, the source code distributed need not include nuclear@0: anything that is normally distributed (in either source or binary nuclear@0: form) with the major components (compiler, kernel, and so on) of the nuclear@0: operating system on which the executable runs, unless that component nuclear@0: itself accompanies the executable. nuclear@0: nuclear@0: If distribution of executable or object code is made by offering nuclear@0: access to copy from a designated place, then offering equivalent nuclear@0: access to copy the source code from the same place counts as nuclear@0: distribution of the source code, even though third parties are not nuclear@0: compelled to copy the source along with the object code. nuclear@0: nuclear@0: 4. You may not copy, modify, sublicense, or distribute the Program nuclear@0: except as expressly provided under this License. Any attempt nuclear@0: otherwise to copy, modify, sublicense or distribute the Program is nuclear@0: void, and will automatically terminate your rights under this License. nuclear@0: However, parties who have received copies, or rights, from you under nuclear@0: this License will not have their licenses terminated so long as such nuclear@0: parties remain in full compliance. nuclear@0: nuclear@0: 5. You are not required to accept this License, since you have not nuclear@0: signed it. However, nothing else grants you permission to modify or nuclear@0: distribute the Program or its derivative works. These actions are nuclear@0: prohibited by law if you do not accept this License. Therefore, by nuclear@0: modifying or distributing the Program (or any work based on the nuclear@0: Program), you indicate your acceptance of this License to do so, and nuclear@0: all its terms and conditions for copying, distributing or modifying nuclear@0: the Program or works based on it. nuclear@0: nuclear@0: 6. Each time you redistribute the Program (or any work based on the nuclear@0: Program), the recipient automatically receives a license from the nuclear@0: original licensor to copy, distribute or modify the Program subject to nuclear@0: these terms and conditions. You may not impose any further nuclear@0: restrictions on the recipients' exercise of the rights granted herein. nuclear@0: You are not responsible for enforcing compliance by third parties to nuclear@0: this License. nuclear@0: nuclear@0: 7. If, as a consequence of a court judgment or allegation of patent nuclear@0: infringement or for any other reason (not limited to patent issues), nuclear@0: conditions are imposed on you (whether by court order, agreement or nuclear@0: otherwise) that contradict the conditions of this License, they do not nuclear@0: excuse you from the conditions of this License. If you cannot nuclear@0: distribute so as to satisfy simultaneously your obligations under this nuclear@0: License and any other pertinent obligations, then as a consequence you nuclear@0: may not distribute the Program at all. For example, if a patent nuclear@0: license would not permit royalty-free redistribution of the Program by nuclear@0: all those who receive copies directly or indirectly through you, then nuclear@0: the only way you could satisfy both it and this License would be to nuclear@0: refrain entirely from distribution of the Program. nuclear@0: nuclear@0: If any portion of this section is held invalid or unenforceable under nuclear@0: any particular circumstance, the balance of the section is intended to nuclear@0: apply and the section as a whole is intended to apply in other nuclear@0: circumstances. nuclear@0: nuclear@0: It is not the purpose of this section to induce you to infringe any nuclear@0: patents or other property right claims or to contest validity of any nuclear@0: such claims; this section has the sole purpose of protecting the nuclear@0: integrity of the free software distribution system, which is nuclear@0: implemented by public license practices. Many people have made nuclear@0: generous contributions to the wide range of software distributed nuclear@0: through that system in reliance on consistent application of that nuclear@0: system; it is up to the author/donor to decide if he or she is willing nuclear@0: to distribute software through any other system and a licensee cannot nuclear@0: impose that choice. nuclear@0: nuclear@0: This section is intended to make thoroughly clear what is believed to nuclear@0: be a consequence of the rest of this License. nuclear@0: nuclear@0: 8. If the distribution and/or use of the Program is restricted in nuclear@0: certain countries either by patents or by copyrighted interfaces, the nuclear@0: original copyright holder who places the Program under this License nuclear@0: may add an explicit geographical distribution limitation excluding nuclear@0: those countries, so that distribution is permitted only in or among nuclear@0: countries not thus excluded. In such case, this License incorporates nuclear@0: the limitation as if written in the body of this License. nuclear@0: nuclear@0: 9. The Free Software Foundation may publish revised and/or new versions nuclear@0: of the General Public License from time to time. Such new versions will nuclear@0: be similar in spirit to the present version, but may differ in detail to nuclear@0: address new problems or concerns. nuclear@0: nuclear@0: Each version is given a distinguishing version number. If the Program nuclear@0: specifies a version number of this License which applies to it and "any nuclear@0: later version", you have the option of following the terms and conditions nuclear@0: either of that version or of any later version published by the Free nuclear@0: Software Foundation. If the Program does not specify a version number of nuclear@0: this License, you may choose any version ever published by the Free Software nuclear@0: Foundation. nuclear@0: nuclear@0: 10. If you wish to incorporate parts of the Program into other free nuclear@0: programs whose distribution conditions are different, write to the author nuclear@0: to ask for permission. For software which is copyrighted by the Free nuclear@0: Software Foundation, write to the Free Software Foundation; we sometimes nuclear@0: make exceptions for this. Our decision will be guided by the two goals nuclear@0: of preserving the free status of all derivatives of our free software and nuclear@0: of promoting the sharing and reuse of software generally. nuclear@0: nuclear@0: NO WARRANTY nuclear@0: nuclear@0: 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY nuclear@0: FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN nuclear@0: OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES nuclear@0: PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED nuclear@0: OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF nuclear@0: MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS nuclear@0: TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE nuclear@0: PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, nuclear@0: REPAIR OR CORRECTION. nuclear@0: nuclear@0: 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING nuclear@0: WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR nuclear@0: REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, nuclear@0: INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING nuclear@0: OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED nuclear@0: TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY nuclear@0: YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER nuclear@0: PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE nuclear@0: POSSIBILITY OF SUCH DAMAGES. nuclear@0: nuclear@0: END OF TERMS AND CONDITIONS nuclear@0: nuclear@0: How to Apply These Terms to Your New Programs nuclear@0: nuclear@0: If you develop a new program, and you want it to be of the greatest nuclear@0: possible use to the public, the best way to achieve this is to make it nuclear@0: free software which everyone can redistribute and change under these terms. nuclear@0: nuclear@0: To do so, attach the following notices to the program. It is safest nuclear@0: to attach them to the start of each source file to most effectively nuclear@0: convey the exclusion of warranty; and each file should have at least nuclear@0: the "copyright" line and a pointer to where the full notice is found. nuclear@0: nuclear@0: nuclear@0: Copyright (C) nuclear@0: nuclear@0: This program is free software; you can redistribute it and/or modify nuclear@0: it under the terms of the GNU General Public License as published by nuclear@0: the Free Software Foundation; either version 2 of the License, or nuclear@0: (at your option) any later version. nuclear@0: nuclear@0: This program is distributed in the hope that it will be useful, nuclear@0: but WITHOUT ANY WARRANTY; without even the implied warranty of nuclear@0: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the nuclear@0: GNU General Public License for more details. nuclear@0: nuclear@0: You should have received a copy of the GNU General Public License along nuclear@0: with this program; if not, write to the Free Software Foundation, Inc., nuclear@0: 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. nuclear@0: nuclear@0: Also add information on how to contact you by electronic and paper mail. nuclear@0: nuclear@0: If the program is interactive, make it output a short notice like this nuclear@0: when it starts in an interactive mode: nuclear@0: nuclear@0: Gnomovision version 69, Copyright (C) year name of author nuclear@0: Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. nuclear@0: This is free software, and you are welcome to redistribute it nuclear@0: under certain conditions; type `show c' for details. nuclear@0: nuclear@0: The hypothetical commands `show w' and `show c' should show the appropriate nuclear@0: parts of the General Public License. Of course, the commands you use may nuclear@0: be called something other than `show w' and `show c'; they could even be nuclear@0: mouse-clicks or menu items--whatever suits your program. nuclear@0: nuclear@0: You should also get your employer (if you work as a programmer) or your nuclear@0: school, if any, to sign a "copyright disclaimer" for the program, if nuclear@0: necessary. Here is a sample; alter the names: nuclear@0: nuclear@0: Yoyodyne, Inc., hereby disclaims all copyright interest in the program nuclear@0: `Gnomovision' (which makes passes at compilers) written by James Hacker. nuclear@0: nuclear@0: , 1 April 1989 nuclear@0: Ty Coon, President of Vice nuclear@0: nuclear@0: This General Public License does not permit incorporating your program into nuclear@0: proprietary programs. If your program is a subroutine library, you may nuclear@0: consider it more useful to permit linking proprietary applications with the nuclear@0: library. If this is what you want to do, use the GNU Lesser General nuclear@0: Public License instead of this License.