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“The Library” refers to a covered work governed by this
License, other than an Application or a Combined Work
as defined below.
An “Application” is any work that makes use of an
interface provided by the Library, but which is not
otherwise based on the Library. Defining a subclass of a
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an interface provided by the Library.
A “Combined Work” is a work produced by combining or
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version of the Library with which the Combined Work was
made is also called the “Linked Version”.
The “Minimal Corresponding Source” for a Combined
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Work, excluding any source code for portions of the
Combined Work that, considered in isolation, are based
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The “Corresponding Application Code” for a Combined
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needed for reproducing the Combined Work from the
Application, but excluding the System Libraries of the
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1. Exception to Section 3 of the GNU GPL.
You may convey a covered work under sections 3 and 4
of this License without being bound by section 3 of the
GNU GPL.
2. Conveying Modified Versions.
If you modify a copy of the Library, and, in your
modifications, a facility refers to a function or data to be
supplied by an Application that uses the facility (other
than as an argument passed when the facility is invoked),
then you may convey a copy of the modified version: a)
under this License, provided that you make a good faith
effort to ensure that, in the event an Application does not
supply the function or data, the facility still operates, and
performs whatever part of its purpose remains
meaningful, or b) under the GNU GPL, with none of the
additional permissions of this License applicable to that
copy.
3. Object Code Incorporating Material from Library
Header Files.
The object code form of an Application may incorporate
material from a header file that is part of the Library. You
may convey such object code under terms of your choice,
provided that, if the incorporated material is not limited to
numerical parameters, data structure layouts and
accessors, or small macros, inline functions and
templates (ten or fewer lines in length), you do both of
the following: a) Give prominent notice with each copy of
the object code that the Library is used in it and that the
Library and its use are covered by this License. b)
Accompany the object code with a copy of the GNU GPL
and this license document.
4. Combined Works.
You may convey a Combined Work under terms of your
choice that, taken together, effectively do not restrict
modification of the portions of the Library contained in the
Combined Work and reverse engineering for debugging
such modifications, if you also do each of the following:
a) Give prominent notice with each copy of the Combined
Work that the Library is used in it and that the Library and
its use are covered by this License. b) Accompany the
Combined Work with a copy of the GNU GPL and this
license document. c) For a Combined Work that displays
copyright notices during execution, include the copyright
notice for the Library among these notices, as well as a
reference directing the user to the copies of the GNU
GPL and this license document. d) Do one of the
following: 0) Convey the Minimal Corresponding Source
under the terms of this License, and the Corresponding
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that permit, the user to recombine or relink the
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to produce a modified Combined Work, in the manner
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and (b) will operate properly with a modified version of
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the extent that such information is necessary to install
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You may place library facilities that are a work based on
the Library side by side in a single library together with
other library facilities that are not Applications and are not
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following: a) Accompany the combined library with a copy
of the same work based on the Library, uncombined with
any other library facilities, conveyed under the terms of
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library that part of it is a work based on the Library, and
explaining where to find the accompanying uncombined
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6. Revised Versions of the GNU Lesser General Public
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The Free Software Foundation may publish revised
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License from time to time. Such new versions will be
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Each version is given a distinguishing version number. If
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