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