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  1. All files in this repository are licensed as follows. If you contribute
  2. to this repository, it is assumed that you license your contribution
  3. under the same license unless you state otherwise.
  4. All files Copyright (C) 2015 Canonical Ltd. unless otherwise specified in the file.
  5. This software is licensed under the LGPLv3, included below.
  6. As a special exception to the GNU Lesser General Public License version 3
  7. ("LGPL3"), the copyright holders of this Library give you permission to
  8. convey to a third party a Combined Work that links statically or dynamically
  9. to this Library without providing any Minimal Corresponding Source or
  10. Minimal Application Code as set out in 4d or providing the installation
  11. information set out in section 4e, provided that you comply with the other
  12. provisions of LGPL3 and provided that you meet, for the Application the
  13. terms and conditions of the license(s) which apply to the Application.
  14. Except as stated in this special exception, the provisions of LGPL3 will
  15. continue to comply in full to this Library. If you modify this Library, you
  16. may apply this exception to your version of this Library, but you are not
  17. obliged to do so. If you do not wish to do so, delete this exception
  18. statement from your version. This exception does not (and cannot) modify any
  19. license terms which apply to the Application, with which you must still
  20. comply.
  21. GNU LESSER GENERAL PUBLIC LICENSE
  22. Version 3, 29 June 2007
  23. Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
  24. Everyone is permitted to copy and distribute verbatim copies
  25. of this license document, but changing it is not allowed.
  26. This version of the GNU Lesser General Public License incorporates
  27. the terms and conditions of version 3 of the GNU General Public
  28. License, supplemented by the additional permissions listed below.
  29. 0. Additional Definitions.
  30. As used herein, "this License" refers to version 3 of the GNU Lesser
  31. General Public License, and the "GNU GPL" refers to version 3 of the GNU
  32. General Public License.
  33. "The Library" refers to a covered work governed by this License,
  34. other than an Application or a Combined Work as defined below.
  35. An "Application" is any work that makes use of an interface provided
  36. by the Library, but which is not otherwise based on the Library.
  37. Defining a subclass of a class defined by the Library is deemed a mode
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  39. A "Combined Work" is a work produced by combining or linking an
  40. Application with the Library. The particular version of the Library
  41. with which the Combined Work was made is also called the "Linked
  42. Version".
  43. The "Minimal Corresponding Source" for a Combined Work means the
  44. Corresponding Source for the Combined Work, excluding any source code
  45. for portions of the Combined Work that, considered in isolation, are
  46. based on the Application, and not on the Linked Version.
  47. The "Corresponding Application Code" for a Combined Work means the
  48. object code and/or source code for the Application, including any data
  49. and utility programs needed for reproducing the Combined Work from the
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  51. 1. Exception to Section 3 of the GNU GPL.
  52. You may convey a covered work under sections 3 and 4 of this License
  53. without being bound by section 3 of the GNU GPL.
  54. 2. Conveying Modified Versions.
  55. If you modify a copy of the Library, and, in your modifications, a
  56. facility refers to a function or data to be supplied by an Application
  57. that uses the facility (other than as an argument passed when the
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  62. function or data, the facility still operates, and performs
  63. whatever part of its purpose remains meaningful, or
  64. b) under the GNU GPL, with none of the additional permissions of
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  66. 3. Object Code Incorporating Material from Library Header Files.
  67. The object code form of an Application may incorporate material from
  68. a header file that is part of the Library. You may convey such object
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  70. material is not limited to numerical parameters, data structure
  71. layouts and accessors, or small macros, inline functions and templates
  72. (ten or fewer lines in length), you do both of the following:
  73. a) Give prominent notice with each copy of the object code that the
  74. Library is used in it and that the Library and its use are
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  76. b) Accompany the object code with a copy of the GNU GPL and this license
  77. document.
  78. 4. Combined Works.
  79. You may convey a Combined Work under terms of your choice that,
  80. taken together, effectively do not restrict modification of the
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  85. the Library is used in it and that the Library and its use are
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  88. document.
  89. c) For a Combined Work that displays copyright notices during
  90. execution, include the copyright notice for the Library among
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  93. d) Do one of the following:
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  96. suitable for, and under terms that permit, the user to
  97. recombine or relink the Application with a modified version of
  98. the Linked Version to produce a modified Combined Work, in the
  99. manner specified by section 6 of the GNU GPL for conveying
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  102. Library. A suitable mechanism is one that (a) uses at run time
  103. a copy of the Library already present on the user's computer
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  105. of the Library that is interface-compatible with the Linked
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  109. GNU GPL, and only to the extent that such information is
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  111. Combined Work produced by recombining or relinking the
  112. Application with a modified version of the Linked Version. (If
  113. you use option 4d0, the Installation Information must accompany
  114. the Minimal Corresponding Source and Corresponding Application
  115. Code. If you use option 4d1, you must provide the Installation
  116. Information in the manner specified by section 6 of the GNU GPL
  117. for conveying Corresponding Source.)
  118. 5. Combined Libraries.
  119. You may place library facilities that are a work based on the
  120. Library side by side in a single library together with other library
  121. facilities that are not Applications and are not covered by this
  122. License, and convey such a combined library under terms of your
  123. choice, if you do both of the following:
  124. a) Accompany the combined library with a copy of the same work based
  125. on the Library, uncombined with any other library facilities,
  126. conveyed under the terms of this License.
  127. b) Give prominent notice with the combined library that part of it
  128. is a work based on the Library, and explaining where to find the
  129. accompanying uncombined form of the same work.
  130. 6. Revised Versions of the GNU Lesser General Public License.
  131. The Free Software Foundation may publish revised and/or new versions
  132. of the GNU Lesser General Public License from time to time. Such new
  133. versions will be similar in spirit to the present version, but may
  134. differ in detail to address new problems or concerns.
  135. Each version is given a distinguishing version number. If the
  136. Library as you received it specifies that a certain numbered version
  137. of the GNU Lesser General Public License "or any later version"
  138. applies to it, you have the option of following the terms and
  139. conditions either of that published version or of any later version
  140. published by the Free Software Foundation. If the Library as you
  141. received it does not specify a version number of the GNU Lesser
  142. General Public License, you may choose any version of the GNU Lesser
  143. General Public License ever published by the Free Software Foundation.
  144. If the Library as you received it specifies that a proxy can decide
  145. whether future versions of the GNU Lesser General Public License shall
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