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