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| 1 | +GNU LESSER GENERAL PUBLIC LICENSE |
| 2 | +Version 3, 29 June 2007 |
| 3 | + |
| 4 | +Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> |
| 5 | + |
| 6 | +Everyone is permitted to copy and distribute verbatim copies of this license |
| 7 | +document, but changing it is not allowed. |
| 8 | + |
| 9 | +This version of the GNU Lesser General Public License incorporates the terms |
| 10 | +and conditions of version 3 of the GNU General Public License, supplemented |
| 11 | +by the additional permissions listed below. |
| 12 | + |
| 13 | +0. Additional Definitions. |
| 14 | + |
| 15 | +As used herein, “this License” refers to version 3 of the GNU Lesser General |
| 16 | +Public License, and the “GNU GPL” refers to version 3 of the |
| 17 | +GNU General Public License. |
| 18 | + |
| 19 | +“The Library” refers to a covered work governed by this License, other than |
| 20 | +an Application or a Combined Work as defined below. |
| 21 | + |
| 22 | +An “Application” is any work that makes use of an interface provided by the |
| 23 | +Library, but which is not otherwise based on the Library. Defining a subclass |
| 24 | +of a class defined by the Library is deemed a mode of using an interface |
| 25 | +provided by the Library. |
| 26 | + |
| 27 | +A “Combined Work” is a work produced by combining or linking an Application |
| 28 | +with the Library. The particular version of the Library with which the |
| 29 | +Combined Work was made is also called the “Linked Version”. |
| 30 | + |
| 31 | +The “Minimal Corresponding Source” for a Combined Work means the Corresponding |
| 32 | +Source for the Combined Work, excluding any source code for portions of the |
| 33 | +Combined Work that, considered in isolation, are based on the Application, |
| 34 | +and not on the Linked Version. |
| 35 | + |
| 36 | +The “Corresponding Application Code” for a Combined Work means the object code |
| 37 | +and/or source code for the Application, including any data and utility programs |
| 38 | +needed for reproducing the Combined Work from the Application, but excluding |
| 39 | +the System Libraries of the Combined Work. |
| 40 | + |
| 41 | +1. Exception to Section 3 of the GNU GPL. |
| 42 | + |
| 43 | +You may convey a covered work under sections 3 and 4 of this License without |
| 44 | +being bound by section 3 of the GNU GPL. |
| 45 | + |
| 46 | +2. Conveying Modified Versions. |
| 47 | + |
| 48 | +If you modify a copy of the Library, and, in your modifications, a facility |
| 49 | +refers to a function or data to be supplied by an Application that uses the |
| 50 | +facility (other than as an argument passed when the facility is invoked), |
| 51 | +then you may convey a copy of the modified version: |
| 52 | + |
| 53 | + a) under this License, provided that you make a good faith effort to |
| 54 | + ensure that, in the event an Application does not supply the function or |
| 55 | + data, the facility still operates, and performs whatever part of its |
| 56 | + purpose remains meaningful, or |
| 57 | + |
| 58 | + b) under the GNU GPL, with none of the additional permissions of this |
| 59 | + License applicable to that copy. |
| 60 | + |
| 61 | +3. Object Code Incorporating Material from Library Header Files. |
| 62 | + |
| 63 | +The object code form of an Application may incorporate material from a header |
| 64 | +file that is part of the Library. You may convey such object code under terms |
| 65 | +of your choice, provided that, if the incorporated material is not limited to |
| 66 | +numerical parameters, data structure layouts and accessors, or small macros, |
| 67 | +inline functions and templates (ten or fewer lines in length), |
| 68 | +you do both of the following: |
| 69 | + |
| 70 | + a) Give prominent notice with each copy of the object code that the Library |
| 71 | + is used in it and that the Library and its use are covered by this License. |
| 72 | + |
| 73 | + b) Accompany the object code with a copy of the GNU GPL |
| 74 | + and this license document. |
| 75 | + |
| 76 | +4. Combined Works. |
| 77 | + |
| 78 | +You may convey a Combined Work under terms of your choice that, taken together, |
| 79 | +effectively do not restrict modification of the portions of the Library |
| 80 | +contained in the Combined Work and reverse engineering for debugging such |
| 81 | +modifications, if you also do each of the following: |
| 82 | + |
| 83 | + a) Give prominent notice with each copy of the Combined Work that the |
| 84 | + Library is used in it and that the Library and its use are covered |
| 85 | + by this License. |
| 86 | + |
| 87 | + b) Accompany the Combined Work with a copy of the GNU GPL and |
| 88 | + this license document. |
| 89 | + |
| 90 | + c) For a Combined Work that displays copyright notices during execution, |
| 91 | + include the copyright notice for the Library among these notices, as well |
| 92 | + as a reference directing the user to the copies of the GNU GPL |
| 93 | + and this license document. |
| 94 | + |
| 95 | + d) Do one of the following: |
| 96 | + |
| 97 | + 0) Convey the Minimal Corresponding Source under the terms of this |
| 98 | + License, and the Corresponding Application Code in a form suitable |
| 99 | + for, and under terms that permit, the user to recombine or relink |
| 100 | + the Application with a modified version of the Linked Version to |
| 101 | + produce a modified Combined Work, in the manner specified by section 6 |
| 102 | + of the GNU GPL for conveying Corresponding Source. |
| 103 | + |
| 104 | + 1) Use a suitable shared library mechanism for linking with the |
| 105 | + Library. A suitable mechanism is one that (a) uses at run time a |
| 106 | + copy of the Library already present on the user's computer system, |
| 107 | + and (b) will operate properly with a modified version of the Library |
| 108 | + that is interface-compatible with the Linked Version. |
| 109 | + |
| 110 | + e) Provide Installation Information, but only if you would otherwise be |
| 111 | + required to provide such information under section 6 of the GNU GPL, and |
| 112 | + only to the extent that such information is necessary to install and |
| 113 | + execute a modified version of the Combined Work produced by recombining |
| 114 | + or relinking the Application with a modified version of the Linked Version. |
| 115 | + (If you use option 4d0, the Installation Information must accompany the |
| 116 | + Minimal Corresponding Source and Corresponding Application Code. If you |
| 117 | + use option 4d1, you must provide the Installation Information in the |
| 118 | + manner specified by section 6 of the GNU GPL for |
| 119 | + conveying Corresponding Source.) |
| 120 | + |
| 121 | +5. Combined Libraries. |
| 122 | + |
| 123 | +You may place library facilities that are a work based on the Library side by |
| 124 | +side in a single library together with other library facilities that are not |
| 125 | +Applications and are not covered by this License, and convey such a combined |
| 126 | +library under terms of your choice, if you do both of the following: |
| 127 | + |
| 128 | + a) Accompany the combined library with a copy of the same work based on |
| 129 | + the Library, uncombined with any other library facilities, conveyed under |
| 130 | + the terms of this License. |
| 131 | + |
| 132 | + b) Give prominent notice with the combined library that part of it is a |
| 133 | + work based on the Library, and explaining where to find the accompanying |
| 134 | + uncombined form of the same work. |
| 135 | + |
| 136 | +6. Revised Versions of the GNU Lesser General Public License. |
| 137 | + |
| 138 | +The Free Software Foundation may publish revised and/or new versions of the |
| 139 | +GNU Lesser General Public License from time to time. Such new versions will |
| 140 | +be similar in spirit to the present version, but may differ in detail to |
| 141 | +address new problems or concerns. |
| 142 | + |
| 143 | +Each version is given a distinguishing version number. If the Library as you |
| 144 | +received it specifies that a certain numbered version of the GNU Lesser |
| 145 | +General Public License “or any later version” applies to it, you have the |
| 146 | +option of following the terms and conditions either of that published version |
| 147 | +or of any later version published by the Free Software Foundation. If the |
| 148 | +Library as you received it does not specify a version number of the GNU Lesser |
| 149 | +General Public License, you may choose any version of the GNU Lesser General |
| 150 | +Public License ever published by the Free Software Foundation. |
| 151 | + |
| 152 | +If the Library as you received it specifies that a proxy can decide whether |
| 153 | +future versions of the GNU Lesser General Public License shall apply, that |
| 154 | +proxy's public statement of acceptance of any version is permanent |
| 155 | +authorization for you to choose that version for the Library. |
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