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0001                    GNU LESSER GENERAL PUBLIC LICENSE
0002                        Version 3, 29 June 2007
0003 
0004  Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
0005  Everyone is permitted to copy and distribute verbatim copies
0006  of this license document, but changing it is not allowed.
0007 
0008 
0009   This version of the GNU Lesser General Public License incorporates
0010 the terms and conditions of version 3 of the GNU General Public
0011 License, supplemented by the additional permissions listed below.
0012 
0013   0. Additional Definitions. 
0014 
0015   As used herein, "this License" refers to version 3 of the GNU Lesser
0016 General Public License, and the "GNU GPL" refers to version 3 of the GNU
0017 General Public License.
0018 
0019   "The Library" refers to a covered work governed by this License,
0020 other than an Application or a Combined Work as defined below.
0021 
0022   An "Application" is any work that makes use of an interface provided
0023 by the Library, but which is not otherwise based on the Library.
0024 Defining a subclass of a class defined by the Library is deemed a mode
0025 of using an interface provided by the Library.
0026 
0027   A "Combined Work" is a work produced by combining or linking an
0028 Application with the Library.  The particular version of the Library
0029 with which the Combined Work was made is also called the "Linked
0030 Version".
0031 
0032   The "Minimal Corresponding Source" for a Combined Work means the
0033 Corresponding Source for the Combined Work, excluding any source code
0034 for portions of the Combined Work that, considered in isolation, are
0035 based on the Application, and not on the Linked Version.
0036 
0037   The "Corresponding Application Code" for a Combined Work means the
0038 object code and/or source code for the Application, including any data
0039 and utility programs needed for reproducing the Combined Work from the
0040 Application, but excluding the System Libraries of the Combined Work.
0041 
0042   1. Exception to Section 3 of the GNU GPL.
0043 
0044   You may convey a covered work under sections 3 and 4 of this License
0045 without being bound by section 3 of the GNU GPL.
0046 
0047   2. Conveying Modified Versions.
0048 
0049   If you modify a copy of the Library, and, in your modifications, a
0050 facility refers to a function or data to be supplied by an Application
0051 that uses the facility (other than as an argument passed when the
0052 facility is invoked), then you may convey a copy of the modified
0053 version:
0054 
0055    a) under this License, provided that you make a good faith effort to
0056    ensure that, in the event an Application does not supply the
0057    function or data, the facility still operates, and performs
0058    whatever part of its purpose remains meaningful, or
0059 
0060    b) under the GNU GPL, with none of the additional permissions of
0061    this License applicable to that copy.
0062 
0063   3. Object Code Incorporating Material from Library Header Files.
0064 
0065   The object code form of an Application may incorporate material from
0066 a header file that is part of the Library.  You may convey such object
0067 code under terms of your choice, provided that, if the incorporated
0068 material is not limited to numerical parameters, data structure
0069 layouts and accessors, or small macros, inline functions and templates
0070 (ten or fewer lines in length), you do both of the following:
0071 
0072    a) Give prominent notice with each copy of the object code that the
0073    Library is used in it and that the Library and its use are
0074    covered by this License.
0075 
0076    b) Accompany the object code with a copy of the GNU GPL and this license
0077    document.
0078 
0079   4. Combined Works.
0080 
0081   You may convey a Combined Work under terms of your choice that,
0082 taken together, effectively do not restrict modification of the
0083 portions of the Library contained in the Combined Work and reverse
0084 engineering for debugging such modifications, if you also do each of
0085 the following:
0086 
0087    a) Give prominent notice with each copy of the Combined Work that
0088    the Library is used in it and that the Library and its use are
0089    covered by this License.
0090 
0091    b) Accompany the Combined Work with a copy of the GNU GPL and this license
0092    document.
0093 
0094    c) For a Combined Work that displays copyright notices during
0095    execution, include the copyright notice for the Library among
0096    these notices, as well as a reference directing the user to the
0097    copies of the GNU GPL and this license document.
0098 
0099    d) Do one of the following:
0100 
0101        0) Convey the Minimal Corresponding Source under the terms of this
0102        License, and the Corresponding Application Code in a form
0103        suitable for, and under terms that permit, the user to
0104        recombine or relink the Application with a modified version of
0105        the Linked Version to produce a modified Combined Work, in the
0106        manner specified by section 6 of the GNU GPL for conveying
0107        Corresponding Source.
0108 
0109        1) Use a suitable shared library mechanism for linking with the
0110        Library.  A suitable mechanism is one that (a) uses at run time
0111        a copy of the Library already present on the user's computer
0112        system, and (b) will operate properly with a modified version
0113        of the Library that is interface-compatible with the Linked
0114        Version. 
0115 
0116    e) Provide Installation Information, but only if you would otherwise
0117    be required to provide such information under section 6 of the
0118    GNU GPL, and only to the extent that such information is
0119    necessary to install and execute a modified version of the
0120    Combined Work produced by recombining or relinking the
0121    Application with a modified version of the Linked Version. (If
0122    you use option 4d0, the Installation Information must accompany
0123    the Minimal Corresponding Source and Corresponding Application
0124    Code. If you use option 4d1, you must provide the Installation
0125    Information in the manner specified by section 6 of the GNU GPL
0126    for conveying Corresponding Source.)
0127 
0128   5. Combined Libraries.
0129 
0130   You may place library facilities that are a work based on the
0131 Library side by side in a single library together with other library
0132 facilities that are not Applications and are not covered by this
0133 License, and convey such a combined library under terms of your
0134 choice, if you do both of the following:
0135 
0136    a) Accompany the combined library with a copy of the same work based
0137    on the Library, uncombined with any other library facilities,
0138    conveyed under the terms of this License.
0139 
0140    b) Give prominent notice with the combined library that part of it
0141    is a work based on the Library, and explaining where to find the
0142    accompanying uncombined form of the same work.
0143 
0144   6. Revised Versions of the GNU Lesser General Public License.
0145 
0146   The Free Software Foundation may publish revised and/or new versions
0147 of the GNU Lesser General Public License from time to time. Such new
0148 versions will be similar in spirit to the present version, but may
0149 differ in detail to address new problems or concerns.
0150 
0151   Each version is given a distinguishing version number. If the
0152 Library as you received it specifies that a certain numbered version
0153 of the GNU Lesser General Public License "or any later version"
0154 applies to it, you have the option of following the terms and
0155 conditions either of that published version or of any later version
0156 published by the Free Software Foundation. If the Library as you
0157 received it does not specify a version number of the GNU Lesser
0158 General Public License, you may choose any version of the GNU Lesser
0159 General Public License ever published by the Free Software Foundation.
0160 
0161   If the Library as you received it specifies that a proxy can decide
0162 whether future versions of the GNU Lesser General Public License shall
0163 apply, that proxy's public statement of acceptance of any version is
0164 permanent authorization for you to choose that version for the
0165 Library.