COPYING
author Wolfgang Rosenauer <wr@rosenauer.org>
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		  GNU LIBRARY GENERAL PUBLIC LICENSE
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		       Version 2, June 1991
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 Copyright (C) 1991 Free Software Foundation, Inc.
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    		    59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 Everyone is permitted to copy and distribute verbatim copies
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 of this license document, but changing it is not allowed.
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[This is the first released version of the library GPL.  It is
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 numbered 2 because it goes with version 2 of the ordinary GPL.]
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			    Preamble
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  The licenses for most software are designed to take away your
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freedom to share and change it.  By contrast, the GNU General Public
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Licenses are intended to guarantee your freedom to share and change
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free software--to make sure the software is free for all its users.
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  This license, the Library General Public License, applies to some
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specially designated Free Software Foundation software, and to any
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other libraries whose authors decide to use it.  You can use it for
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your libraries, too.
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  When we speak of free software, we are referring to freedom, not
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price.  Our General Public Licenses are designed to make sure that you
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have the freedom to distribute copies of free software (and charge for
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this service if you wish), that you receive source code or can get it
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if you want it, that you can change the software or use pieces of it
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in new free programs; and that you know you can do these things.
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  To protect your rights, we need to make restrictions that forbid
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anyone to deny you these rights or to ask you to surrender the rights.
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These restrictions translate to certain responsibilities for you if
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you distribute copies of the library, or if you modify it.
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  For example, if you distribute copies of the library, whether gratis
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or for a fee, you must give the recipients all the rights that we gave
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you.  You must make sure that they, too, receive or can get the source
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code.  If you link a program with the library, you must provide
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complete object files to the recipients so that they can relink them
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with the library, after making changes to the library and recompiling
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it.  And you must show them these terms so they know their rights.
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  Our method of protecting your rights has two steps: (1) copyright
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the library, and (2) offer you this license which gives you legal
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permission to copy, distribute and/or modify the library.
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  Also, for each distributor's protection, we want to make certain
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that everyone understands that there is no warranty for this free
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library.  If the library is modified by someone else and passed on, we
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want its recipients to know that what they have is not the original
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version, so that any problems introduced by others will not reflect on
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the original authors' reputations.
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  Finally, any free program is threatened constantly by software
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patents.  We wish to avoid the danger that companies distributing free
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software will individually obtain patent licenses, thus in effect
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transforming the program into proprietary software.  To prevent this,
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we have made it clear that any patent must be licensed for everyone's
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free use or not licensed at all.
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  Most GNU software, including some libraries, is covered by the ordinary
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GNU General Public License, which was designed for utility programs.  This
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license, the GNU Library General Public License, applies to certain
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designated libraries.  This license is quite different from the ordinary
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one; be sure to read it in full, and don't assume that anything in it is
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the same as in the ordinary license.
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  The reason we have a separate public license for some libraries is that
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they blur the distinction we usually make between modifying or adding to a
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program and simply using it.  Linking a program with a library, without
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changing the library, is in some sense simply using the library, and is
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analogous to running a utility program or application program.  However, in
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a textual and legal sense, the linked executable is a combined work, a
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derivative of the original library, and the ordinary General Public License
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treats it as such.
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  Because of this blurred distinction, using the ordinary General
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Public License for libraries did not effectively promote software
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sharing, because most developers did not use the libraries.  We
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concluded that weaker conditions might promote sharing better.
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  However, unrestricted linking of non-free programs would deprive the
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users of those programs of all benefit from the free status of the
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libraries themselves.  This Library General Public License is intended to
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permit developers of non-free programs to use free libraries, while
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preserving your freedom as a user of such programs to change the free
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libraries that are incorporated in them.  (We have not seen how to achieve
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this as regards changes in header files, but we have achieved it as regards
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changes in the actual functions of the Library.)  The hope is that this
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will lead to faster development of free libraries.
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  The precise terms and conditions for copying, distribution and
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modification follow.  Pay close attention to the difference between a
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"work based on the library" and a "work that uses the library".  The
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former contains code derived from the library, while the latter only
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works together with the library.
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  Note that it is possible for a library to be covered by the ordinary
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General Public License rather than by this special one.
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		  GNU LIBRARY GENERAL PUBLIC LICENSE
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   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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  0. This License Agreement applies to any software library which
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contains a notice placed by the copyright holder or other authorized
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party saying it may be distributed under the terms of this Library
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General Public License (also called "this License").  Each licensee is
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addressed as "you".
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  A "library" means a collection of software functions and/or data
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prepared so as to be conveniently linked with application programs
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(which use some of those functions and data) to form executables.
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  The "Library", below, refers to any such software library or work
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which has been distributed under these terms.  A "work based on the
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Library" means either the Library or any derivative work under
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copyright law: that is to say, a work containing the Library or a
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portion of it, either verbatim or with modifications and/or translated
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straightforwardly into another language.  (Hereinafter, translation is
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included without limitation in the term "modification".)
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  "Source code" for a work means the preferred form of the work for
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making modifications to it.  For a library, complete source code means
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all the source code for all modules it contains, plus any associated
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interface definition files, plus the scripts used to control compilation
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and installation of the library.
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  Activities other than copying, distribution and modification are not
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covered by this License; they are outside its scope.  The act of
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running a program using the Library is not restricted, and output from
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such a program is covered only if its contents constitute a work based
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on the Library (independent of the use of the Library in a tool for
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writing it).  Whether that is true depends on what the Library does
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and what the program that uses the Library does.
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  1. You may copy and distribute verbatim copies of the Library's
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complete source code as you receive it, in any medium, provided that
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you conspicuously and appropriately publish on each copy an
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appropriate copyright notice and disclaimer of warranty; keep intact
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all the notices that refer to this License and to the absence of any
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warranty; and distribute a copy of this License along with the
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Library.
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  You may charge a fee for the physical act of transferring a copy,
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and you may at your option offer warranty protection in exchange for a
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fee.
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  2. You may modify your copy or copies of the Library or any portion
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of it, thus forming a work based on the Library, and copy and
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distribute such modifications or work under the terms of Section 1
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above, provided that you also meet all of these conditions:
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    a) The modified work must itself be a software library.
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    b) You must cause the files modified to carry prominent notices
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    stating that you changed the files and the date of any change.
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    c) You must cause the whole of the work to be licensed at no
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    charge to all third parties under the terms of this License.
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    d) If a facility in the modified Library refers to a function or a
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    table of data to be supplied by an application program that uses
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    the facility, other than as an argument passed when the facility
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    is invoked, then you must make a good faith effort to ensure that,
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    in the event an application does not supply such function or
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    table, the facility still operates, and performs whatever part of
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    its purpose remains meaningful.
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    (For example, a function in a library to compute square roots has
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    a purpose that is entirely well-defined independent of the
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    application.  Therefore, Subsection 2d requires that any
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    application-supplied function or table used by this function must
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    be optional: if the application does not supply it, the square
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    root function must still compute square roots.)
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These requirements apply to the modified work as a whole.  If
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identifiable sections of that work are not derived from the Library,
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and can be reasonably considered independent and separate works in
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themselves, then this License, and its terms, do not apply to those
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sections when you distribute them as separate works.  But when you
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distribute the same sections as part of a whole which is a work based
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on the Library, the distribution of the whole must be on the terms of
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this License, whose permissions for other licensees extend to the
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entire whole, and thus to each and every part regardless of who wrote
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it.
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Thus, it is not the intent of this section to claim rights or contest
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your rights to work written entirely by you; rather, the intent is to
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exercise the right to control the distribution of derivative or
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collective works based on the Library.
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In addition, mere aggregation of another work not based on the Library
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with the Library (or with a work based on the Library) on a volume of
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a storage or distribution medium does not bring the other work under
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the scope of this License.
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  3. You may opt to apply the terms of the ordinary GNU General Public
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License instead of this License to a given copy of the Library.  To do
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this, you must alter all the notices that refer to this License, so
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that they refer to the ordinary GNU General Public License, version 2,
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instead of to this License.  (If a newer version than version 2 of the
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ordinary GNU General Public License has appeared, then you can specify
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that version instead if you wish.)  Do not make any other change in
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these notices.
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  Once this change is made in a given copy, it is irreversible for
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that copy, so the ordinary GNU General Public License applies to all
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subsequent copies and derivative works made from that copy.
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  This option is useful when you wish to copy part of the code of
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the Library into a program that is not a library.
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  4. You may copy and distribute the Library (or a portion or
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derivative of it, under Section 2) in object code or executable form
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under the terms of Sections 1 and 2 above provided that you accompany
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it with the complete corresponding machine-readable source code, which
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must be distributed under the terms of Sections 1 and 2 above on a
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medium customarily used for software interchange.
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  If distribution of object code is made by offering access to copy
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from a designated place, then offering equivalent access to copy the
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source code from the same place satisfies the requirement to
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distribute the source code, even though third parties are not
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compelled to copy the source along with the object code.
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  5. A program that contains no derivative of any portion of the
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Library, but is designed to work with the Library by being compiled or
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linked with it, is called a "work that uses the Library".  Such a
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work, in isolation, is not a derivative work of the Library, and
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therefore falls outside the scope of this License.
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  However, linking a "work that uses the Library" with the Library
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creates an executable that is a derivative of the Library (because it
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contains portions of the Library), rather than a "work that uses the
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library".  The executable is therefore covered by this License.
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Section 6 states terms for distribution of such executables.
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  When a "work that uses the Library" uses material from a header file
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that is part of the Library, the object code for the work may be a
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derivative work of the Library even though the source code is not.
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Whether this is true is especially significant if the work can be
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linked without the Library, or if the work is itself a library.  The
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threshold for this to be true is not precisely defined by law.
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  If such an object file uses only numerical parameters, data
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structure layouts and accessors, and small macros and small inline
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functions (ten lines or less in length), then the use of the object
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file is unrestricted, regardless of whether it is legally a derivative
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work.  (Executables containing this object code plus portions of the
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Library will still fall under Section 6.)
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  Otherwise, if the work is a derivative of the Library, you may
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distribute the object code for the work under the terms of Section 6.
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Any executables containing that work also fall under Section 6,
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whether or not they are linked directly with the Library itself.
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  6. As an exception to the Sections above, you may also compile or
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link a "work that uses the Library" with the Library to produce a
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work containing portions of the Library, and distribute that work
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under terms of your choice, provided that the terms permit
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modification of the work for the customer's own use and reverse
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engineering for debugging such modifications.
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  You must give prominent notice with each copy of the work that the
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Library is used in it and that the Library and its use are covered by
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this License.  You must supply a copy of this License.  If the work
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during execution displays copyright notices, you must include the
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copyright notice for the Library among them, as well as a reference
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directing the user to the copy of this License.  Also, you must do one
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of these things:
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    a) Accompany the work with the complete corresponding
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    machine-readable source code for the Library including whatever
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    changes were used in the work (which must be distributed under
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    Sections 1 and 2 above); and, if the work is an executable linked
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    with the Library, with the complete machine-readable "work that
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    uses the Library", as object code and/or source code, so that the
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    user can modify the Library and then relink to produce a modified
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    executable containing the modified Library.  (It is understood
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    that the user who changes the contents of definitions files in the
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    Library will not necessarily be able to recompile the application
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    to use the modified definitions.)
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    b) Accompany the work with a written offer, valid for at
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    least three years, to give the same user the materials
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    specified in Subsection 6a, above, for a charge no more
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    than the cost of performing this distribution.
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    c) If distribution of the work is made by offering access to copy
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    from a designated place, offer equivalent access to copy the above
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    specified materials from the same place.
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    d) Verify that the user has already received a copy of these
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    materials or that you have already sent this user a copy.
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  For an executable, the required form of the "work that uses the
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Library" must include any data and utility programs needed for
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reproducing the executable from it.  However, as a special exception,
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the source code distributed need not include anything that is normally
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distributed (in either source or binary form) with the major
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components (compiler, kernel, and so on) of the operating system on
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which the executable runs, unless that component itself accompanies
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the executable.
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  It may happen that this requirement contradicts the license
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restrictions of other proprietary libraries that do not normally
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accompany the operating system.  Such a contradiction means you cannot
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use both them and the Library together in an executable that you
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distribute.
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  7. You may place library facilities that are a work based on the
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Library side-by-side in a single library together with other library
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facilities not covered by this License, and distribute such a combined
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library, provided that the separate distribution of the work based on
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the Library and of the other library facilities is otherwise
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permitted, and provided that you do these two things:
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    a) Accompany the combined library with a copy of the same work
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    based on the Library, uncombined with any other library
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    facilities.  This must be distributed under the terms of the
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    Sections above.
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    b) Give prominent notice with the combined library of the fact
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    that part of it is a work based on the Library, and explaining
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    where to find the accompanying uncombined form of the same work.
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  8. You may not copy, modify, sublicense, link with, or distribute
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the Library except as expressly provided under this License.  Any
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attempt otherwise to copy, modify, sublicense, link with, or
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distribute the Library is void, and will automatically terminate your
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rights under this License.  However, parties who have received copies,
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or rights, from you under this License will not have their licenses
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terminated so long as such parties remain in full compliance.
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  9. You are not required to accept this License, since you have not
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signed it.  However, nothing else grants you permission to modify or
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distribute the Library or its derivative works.  These actions are
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prohibited by law if you do not accept this License.  Therefore, by
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modifying or distributing the Library (or any work based on the
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Library), you indicate your acceptance of this License to do so, and
262e1fb001a8 initial import (version 1.0.9)
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all its terms and conditions for copying, distributing or modifying
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the Library or works based on it.
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  10. Each time you redistribute the Library (or any work based on the
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Library), the recipient automatically receives a license from the
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original licensor to copy, distribute, link with or modify the Library
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subject to these terms and conditions.  You may not impose any further
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restrictions on the recipients' exercise of the rights granted herein.
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You are not responsible for enforcing compliance by third parties to
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this License.
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parents:
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  11. If, as a consequence of a court judgment or allegation of patent
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infringement or for any other reason (not limited to patent issues),
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conditions are imposed on you (whether by court order, agreement or
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otherwise) that contradict the conditions of this License, they do not
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excuse you from the conditions of this License.  If you cannot
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distribute so as to satisfy simultaneously your obligations under this
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License and any other pertinent obligations, then as a consequence you
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may not distribute the Library at all.  For example, if a patent
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license would not permit royalty-free redistribution of the Library by
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all those who receive copies directly or indirectly through you, then
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the only way you could satisfy both it and this License would be to
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refrain entirely from distribution of the Library.
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If any portion of this section is held invalid or unenforceable under any
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particular circumstance, the balance of the section is intended to apply,
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and the section as a whole is intended to apply in other circumstances.
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262e1fb001a8 initial import (version 1.0.9)
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It is not the purpose of this section to induce you to infringe any
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patents or other property right claims or to contest validity of any
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such claims; this section has the sole purpose of protecting the
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integrity of the free software distribution system which is
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implemented by public license practices.  Many people have made
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generous contributions to the wide range of software distributed
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through that system in reliance on consistent application of that
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system; it is up to the author/donor to decide if he or she is willing
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to distribute software through any other system and a licensee cannot
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impose that choice.
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262e1fb001a8 initial import (version 1.0.9)
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This section is intended to make thoroughly clear what is believed to
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be a consequence of the rest of this License.
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  12. If the distribution and/or use of the Library is restricted in
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certain countries either by patents or by copyrighted interfaces, the
262e1fb001a8 initial import (version 1.0.9)
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parents:
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original copyright holder who places the Library under this License may add
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parents:
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an explicit geographical distribution limitation excluding those countries,
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so that distribution is permitted only in or among countries not thus
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excluded.  In such case, this License incorporates the limitation as if
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written in the body of this License.
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262e1fb001a8 initial import (version 1.0.9)
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  13. The Free Software Foundation may publish revised and/or new
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versions of the Library General Public License from time to time.
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parents:
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Such new versions will be similar in spirit to the present version,
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but may differ in detail to address new problems or concerns.
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262e1fb001a8 initial import (version 1.0.9)
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Each version is given a distinguishing version number.  If the Library
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specifies a version number of this License which applies to it and
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parents:
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"any later version", you have the option of following the terms and
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conditions either of that version or of any later version published by
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parents:
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the Free Software Foundation.  If the Library does not specify a
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parents:
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license version number, you may choose any version ever published by
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parents:
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the Free Software Foundation.
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parents:
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   404

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  14. If you wish to incorporate parts of the Library into other free
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parents:
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programs whose distribution conditions are incompatible with these,
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parents:
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write to the author to ask for permission.  For software which is
262e1fb001a8 initial import (version 1.0.9)
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copyrighted by the Free Software Foundation, write to the Free
262e1fb001a8 initial import (version 1.0.9)
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Software Foundation; we sometimes make exceptions for this.  Our
262e1fb001a8 initial import (version 1.0.9)
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decision will be guided by the two goals of preserving the free status
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of all derivatives of our free software and of promoting the sharing
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and reuse of software generally.
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			    NO WARRANTY
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  15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
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WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
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EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
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OTHER PARTIES PROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY OF ANY
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KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE
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LIBRARY IS WITH YOU.  SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME
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THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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  16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
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WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
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AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
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FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
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CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
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LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
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RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
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FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
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SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGES.
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		     END OF TERMS AND CONDITIONS
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           How to Apply These Terms to Your New Libraries
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  If you develop a new library, and you want it to be of the greatest
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possible use to the public, we recommend making it free software that
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everyone can redistribute and change.  You can do so by permitting
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redistribution under these terms (or, alternatively, under the terms of the
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ordinary General Public License).
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  To apply these terms, attach the following notices to the library.  It is
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safest to attach them to the start of each source file to most effectively
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convey the exclusion of warranty; and each file should have at least the
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"copyright" line and a pointer to where the full notice is found.
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    <one line to give the library's name and a brief idea of what it does.>
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    Copyright (C) <year>  <name of author>
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
262e1fb001a8 initial import (version 1.0.9)
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
262e1fb001a8 initial import (version 1.0.9)
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    License along with this library; if not, write to the 
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    Free Software Foundation, Inc., 59 Temple Place - Suite 330, 
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    Boston, MA  02111-1307  USA.
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Also add information on how to contact you by electronic and paper mail.
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You should also get your employer (if you work as a programmer) or your
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school, if any, to sign a "copyright disclaimer" for the library, if
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necessary.  Here is a sample; alter the names:
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  Yoyodyne, Inc., hereby disclaims all copyright interest in the
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  library `Frob' (a library for tweaking knobs) written by James Random Hacker.
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  <signature of Ty Coon>, 1 April 1990
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  Ty Coon, President of Vice
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That's all there is to it!