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-% \iffalse <meta-comment>
-%
-% The GNU General Public License as a LaTeX section
-%
-% (c) 1989, 1991 Free Software Foundation, Inc.
-%   LaTeX markup and minor formatting changes by Mark Wooding
-%
-
-% --- Chapter heading ---
-%
-% We don't know whether this ought to be a section or a chapter.  Easy.
-% We'll see if chapters are possible.
-%
-% \fi
-
-\begingroup
-\makeatletter
-
-\edef\next#1#2#3{\relax
-  \ifx\chapter\@@undefined
-    \ifx\documentclass\@notprerr#2\else#3\fi
-  \else#1\fi
-}
-
-\expandafter\endgroup\next
-{
-  \let\gpltoplevel\chapter
-  \let\gplsec\section
-  \let\gplend\endinput
-}{
-  \let\gpltoplevel\section
-  \let\gplsec\subsection
-  \let\gplend\endinput
-}{
-  \documentclass[a4paper]{article}
-  \def\gpltoplevel#1{%
-    \vspace*{1in}%
-    \hbox to\hsize{\hfil\LARGE\bfseries#1\hfil}%
-    \vspace{1in}%
-  }
-  \let\gplsec\section
-  \def\gplend{\end{document}}
-  \advance\textwidth1in
-  \advance\oddsidemargin-.5in
-  \sloppy
-  \begin{document}
-}
-
-%^^A-------------------------------------------------------------------------
-\gpltoplevel{The GNU General Public License}
-
-
-The following is the text of the GNU General Public License, under the terms
-of which this software is distrubuted.
-
-\vspace{12pt}
-
-\begin{center}
-\textbf{GNU GENERAL PUBLIC LICENSE} \\
-Version 2, June 1991
-\end{center}
-
-\begin{center}
-Copyright \copyright\ 1989, 1991 Free Software Foundation, Inc. \\
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
-
-Everyone is permitted to copy and distribute verbatim copies \\
-of this license document, but changing it is not allowed.
-\end{center}
-
-
-\gplsec{Preamble}
-
-The licenses for most software are designed to take away your freedom to
-share and change it.  By contrast, the GNU General Public License is intended
-to guarantee your freedom to share and change free software---to make sure
-the software is free for all its users.  This General Public License applies
-to most of the Free Software Foundation's software and to any other program
-whose authors commit to using it.  (Some other Free Software Foundation
-software is covered by the GNU Library General Public License instead.)  You
-can apply it to your programs, too.
-
-When we speak of free software, we are referring to freedom, not price.  Our
-General Public Licenses are designed to make sure that you have the freedom
-to distribute copies of free software (and charge for this service if you
-wish), that you receive source code or can get it if you want it, that you
-can change the software or use pieces of it in new free programs; and that
-you know you can do these things.
-
-To protect your rights, we need to make restrictions that forbid anyone to
-deny you these rights or to ask you to surrender the rights.  These
-restrictions translate to certain responsibilities for you if you distribute
-copies of the software, or if you modify it.
-
-For example, if you distribute copies of such a program, whether gratis or
-for a fee, you must give the recipients all the rights that you have.  You
-must make sure that they, too, receive or can get the source code.  And you
-must show them these terms so they know their rights.
-
-We protect your rights with two steps: (1) copyright the software, and (2)
-offer you this license which gives you legal permission to copy, distribute
-and/or modify the software.
-
-Also, for each author's protection and ours, we want to make certain that
-everyone understands that there is no warranty for this free software.  If
-the software is modified by someone else and passed on, we want its
-recipients to know that what they have is not the original, so that any
-problems introduced by others will not reflect on the original authors'
-reputations.
-
-Finally, any free program is threatened constantly by software patents.  We
-wish to avoid the danger that redistributors of a free program will
-individually obtain patent licenses, in effect making the program
-proprietary.  To prevent this, we have made it clear that any patent must be
-licensed for everyone's free use or not licensed at all.
-
-The precise terms and conditions for copying, distribution and modification
-follow.
-
-
-\gplsec{Terms and conditions for copying, distribution and modification}
-
-\begin{enumerate}
-
-\makeatletter \setcounter{\@listctr}{-1} \makeatother
-
-\item [0.] This License applies to any program or other work which contains a
-      notice placed by the copyright holder saying it may be distributed
-      under the terms of this General Public License.  The ``Program'',
-      below, refers to any such program or work, and a ``work based on the
-      Program'' means either the Program or any derivative work under
-      copyright law: that is to say, a work containing the Program or a
-      portion of it, either verbatim or with modifications and/or translated
-      into another language.  (Hereinafter, translation is included without
-      limitation in the term ``modification''.)  Each licensee is addressed
-      as ``you''.
-
-      Activities other than copying, distribution and modification are not
-      covered by this License; they are outside its scope.  The act of
-      running the Program is not restricted, and the output from the Program
-      is covered only if its contents constitute a work based on the Program
-      (independent of having been made by running the Program).  Whether that
-      is true depends on what the Program does.
-
-\item [1.] You may copy and distribute verbatim copies of the Program's
-      source code as you receive it, in any medium, provided that you
-      conspicuously and appropriately publish on each copy an appropriate
-      copyright notice and disclaimer of warranty; keep intact all the
-      notices that refer to this License and to the absence of any warranty;
-      and give any other recipients of the Program a copy of this License
-      along with the Program.
-
-      You may charge a fee for the physical act of transferring a copy, and
-      you may at your option offer warranty protection in exchange for a fee.
-
-\item [2.] You may modify your copy or copies of the Program or any portion
-      of it, thus forming a work based on the Program, and copy and
-      distribute such modifications or work under the terms of Section 1
-      above, provided that you also meet all of these conditions:
-
-      \begin{enumerate}
-
-      \item [(a)] You must cause the modified files to carry prominent
-            notices stating that you changed the files and the date of any
-            change.
-
-      \item [(b)] You must cause any work that you distribute or publish,
-            that in whole or in part contains or is derived from the Program
-            or any part thereof, to be licensed as a whole at no charge to
-            all third parties under the terms of this License.
-
-      \item [(c)] If the modified program normally reads commands
-            interactively when run, you must cause it, when started running
-            for such interactive use in the most ordinary way, to print or
-            display an announcement including an appropriate copyright notice
-            and a notice that there is no warranty (or else, saying that you
-            provide a warranty) and that users may redistribute the program
-            under these conditions, and telling the user how to view a copy
-            of this License.  (Exception: if the Program itself is
-            interactive but does not normally print such an announcement,
-            your work based on the Program is not required to print an
-            announcement.)
-
-      \end{enumerate}
-
-      These requirements apply to the modified work as a whole.  If
-      identifiable sections of that work are not derived from the Program,
-      and can be reasonably considered independent and separate works in
-      themselves, then this License, and its terms, do not apply to those
-      sections when you distribute them as separate works.  But when you
-      distribute the same sections as part of a whole which is a work based
-      on the Program, the distribution of the whole must be on the terms of
-      this License, whose permissions for other licensees extend to the
-      entire whole, and thus to each and every part regardless of who wrote
-      it.
-
-      Thus, it is not the intent of this section to claim rights or contest
-      your rights to work written entirely by you; rather, the intent is to
-      exercise the right to control the distribution of derivative or
-      collective works based on the Program.
-
-      In addition, mere aggregation of another work not based on the Program
-      with the Program (or with a work based on the Program) on a volume of a
-      storage or distribution medium does not bring the other work under the
-      scope of this License.
-
-\item [3.] You may copy and distribute the Program (or a work based on it,
-      under Section 2) in object code or executable form under the terms of
-      Sections 1 and 2 above provided that you also do one of the following:
-
-      \begin{enumerate}
-
-      \item [(a)] Accompany it with the complete corresponding
-            machine-readable source code, which must be distributed under the
-            terms of Sections 1 and 2 above on a medium customarily used for
-            software interchange; or,
-
-      \item [(b)] Accompany it with a written offer, valid for at least three
-            years, to give any third party, for a charge no more than your
-            cost of physically performing source distribution, a complete
-            machine-readable copy of the corresponding source code, to be
-            distributed under the terms of Sections 1 and 2 above on a medium
-            customarily used for software interchange; or,
-
-      \item [(c)] Accompany it with the information you received as to the
-            offer to distribute corresponding source code.  (This alternative
-            is allowed only for noncommercial distribution and only if you
-            received the program in object code or executable form with such
-            an offer, in accord with Subsection b above.)
-
-      \end{enumerate}
-
-      The source code for a work means the preferred form of the work for
-      making modifications to it.  For an executable work, complete source
-      code means all the source code for all modules it contains, plus any
-      associated interface definition files, plus the scripts used to control
-      compilation and installation of the executable.  However, as a special
-      exception, the source code distributed need not include anything that
-      is normally distributed (in either source or binary form) with the
-      major components (compiler, kernel, and so on) of the operating system
-      on which the executable runs, unless that component itself accompanies
-      the executable.
-
-      If distribution of executable or object code is made by offering access
-      to copy from a designated place, then offering equivalent access to
-      copy the source code from the same place counts as distribution of the
-      source code, even though third parties are not compelled to copy the
-      source along with the object code.
-
-\item [4.] You may not copy, modify, sublicense, or distribute the Program
-      except as expressly provided under this License.  Any attempt otherwise
-      to copy, modify, sublicense or distribute the Program is void, and will
-      automatically terminate your rights under this License.  However,
-      parties who have received copies, or rights, from you under this
-      License will not have their licenses terminated so long as such parties
-      remain in full compliance.
-
-\item [5.] You are not required to accept this License, since you have not
-      signed it.  However, nothing else grants you permission to modify or
-      distribute the Program or its derivative works.  These actions are
-      prohibited by law if you do not accept this License.  Therefore, by
-      modifying or distributing the Program (or any work based on the
-      Program), you indicate your acceptance of this License to do so, and
-      all its terms and conditions for copying, distributing or modifying the
-      Program or works based on it.
-
-\item [6.] Each time you redistribute the Program (or any work based on the
-      Program), the recipient automatically receives a license from the
-      original licensor to copy, distribute or modify the Program subject to
-      these terms and conditions.  You may not impose any further
-      restrictions on the recipients' exercise of the rights granted herein.
-      You are not responsible for enforcing compliance by third parties to
-      this License.
-
-\item [7.] If, as a consequence of a court judgment or allegation of patent
-      infringement or for any other reason (not limited to patent issues),
-      conditions are imposed on you (whether by court order, agreement or
-      otherwise) that contradict the conditions of this License, they do not
-      excuse you from the conditions of this License.  If you cannot
-      distribute so as to satisfy simultaneously your obligations under this
-      License and any other pertinent obligations, then as a consequence you
-      may not distribute the Program at all.  For example, if a patent
-      license would not permit royalty-free redistribution of the Program by
-      all those who receive copies directly or indirectly through you, then
-      the only way you could satisfy both it and this License would be to
-      refrain entirely from distribution of the Program.
-
-      If any portion of this section is held invalid or unenforceable under
-      any particular circumstance, the balance of the section is intended to
-      apply and the section as a whole is intended to apply in other
-      circumstances.
-
-      It is not the purpose of this section to induce you to infringe any
-      patents or other property right claims or to contest validity of any
-      such claims; this section has the sole purpose of protecting the
-      integrity of the free software distribution system, which is
-      implemented by public license practices.  Many people have made
-      generous contributions to the wide range of software distributed
-      through that system in reliance on consistent application of that
-      system; it is up to the author/donor to decide if he or she is willing
-      to distribute software through any other system and a licensee cannot
-      impose that choice.
-
-      This section is intended to make thoroughly clear what is believed to
-      be a consequence of the rest of this License.
-
-\item [8.] If the distribution and/or use of the Program is restricted in
-      certain countries either by patents or by copyrighted interfaces, the
-      original copyright holder who places the Program under this License may
-      add an explicit geographical distribution limitation excluding those
-      countries, so that distribution is permitted only in or among countries
-      not thus excluded.  In such case, this License incorporates the
-      limitation as if written in the body of this License.
-
-\item [9.] The Free Software Foundation may publish revised and/or new
-      versions of the General Public License from time to time.  Such new
-      versions will be similar in spirit to the present version, but may
-      differ in detail to address new problems or concerns.
-
-      Each version is given a distinguishing version number.  If the Program
-      specifies a version number of this License which applies to it and
-      ``any later version'', you have the option of following the terms and
-      conditions either of that version or of any later version published by
-      the Free Software Foundation.  If the Program does not specify a
-      version number of this License, you may choose any version ever
-      published by the Free Software Foundation.
-
-\item [10.] If you wish to incorporate parts of the Program into other free
-      programs whose distribution conditions are different, write to the
-      author to ask for permission.  For software which is copyrighted by the
-      Free Software Foundation, write to the Free Software Foundation; we
-      sometimes make exceptions for this.  Our decision will be guided by the
-      two goals of preserving the free status of all derivatives of our free
-      software and of promoting the sharing and reuse of software generally.
-
-\begin{center}
-NO WARRANTY
-\end{center}
-
-\bfseries
-
-\item [11.] Because the Program is licensed free of charge, there is no
-      warranty for the Program, to the extent permitted by applicable law.
-      except when otherwise stated in writing the copyright holders and/or
-      other parties provide the program ``as is'' without warranty of any
-      kind, either expressed or implied, including, but not limited to, the
-      implied warranties of merchantability and fitness for a particular
-      purpose.  The entire risk as to the quality and performance of the
-      Program is with you.  Should the Program prove defective, you assume
-      the cost of all necessary servicing, repair or correction.
-
-\item [12.] In no event unless required by applicable law or agreed to in
-      writing will any copyright holder, or any other party who may modify
-      and/or redistribute the program as permitted above, be liable to you
-      for damages, including any general, special, incidental or
-      consequential damages arising out of the use or inability to use the
-      program (including but not limited to loss of data or data being
-      rendered inaccurate or losses sustained by you or third parties or a
-      failure of the Program to operate with any other programs), even if
-      such holder or other party has been advised of the possibility of such
-      damages.
-
-\end{enumerate}
-
-\begin{center}
-\textbf{END OF TERMS AND CONDITIONS}
-\end{center}
-
-
-\gplsec{Appendix: How to Apply These Terms to Your New Programs}
-
-If you develop a new program, and you want it to be of the greatest possible
-use to the public, the best way to achieve this is to make it free software
-which everyone can redistribute and change under these terms.
-
-To do so, attach the following notices to the program.  It is safest to
-attach them to the start of each source file to most effectively convey the
-exclusion of warranty; and each file should have at least the ``copyright''
-line and a pointer to where the full notice is found.
-
-\begin{verbatim}
-<one line to give the program's name and a brief idea of what it does.>
-Copyright (C) 19yy  <name of author>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software Foundation,
-Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-\end{verbatim}
-
-Also add information on how to contact you by electronic and paper mail.
-
-If the program is interactive, make it output a short notice like this when
-it starts in an interactive mode:
-
-\begin{verbatim}
-Gnomovision version 69, Copyright (C) 19yy name of author
-Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type
-`show w'.
-This is free software, and you are welcome to redistribute it
-under certain conditions; type `show c' for details.
-\end{verbatim}
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, the commands you use may be
-called something other than `show w' and `show c'; they could even be
-mouse-clicks or menu items--whatever suits your program.
-
-You should also get your employer (if you work as a programmer) or your
-school, if any, to sign a ``copyright disclaimer'' for the program, if
-necessary.  Here is a sample; alter the names:
-
-\begin{verbatim}
-Yoyodyne, Inc., hereby disclaims all copyright interest in the program
-`Gnomovision' (which makes passes at compilers) written by James Hacker.
-
-<signature of Ty Coon>, 1 April 1989
-Ty Coon, President of Vice
-\end{verbatim}
-
-This General Public License does not permit incorporating your program into
-proprietary programs.  If your program is a subroutine library, you may
-consider it more useful to permit linking proprietary applications with the
-library.  If this is what you want to do, use the GNU Library General Public
-License instead of this License.
-
-\gplend
