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<b><h3 class="title">GPL</h3></b>
<a class="target" id="top" name="top"></a><br><div class="contents topic" id="contents">
<p class="topic-title first"><a name="contents">Contents</a></p>
<ul class="simple">
<li><a class="reference" href="#gnu-general-public-license" id="id1" name="id1">GNU GENERAL PUBLIC LICENSE</a><ul>
<li><a class="reference" href="#preamble" id="id2" name="id2">Preamble</a></li>
<li><a class="reference" href="#terms-and-conditions-for-copying-distribution-and-modification" id="id3" name="id3">TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</a></li>
</ul>
</li>
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<br><div class="section" id="gnu-general-public-license">
<b><h3><a class="toc-backref" href="#id1" name="gnu-general-public-license">GNU GENERAL PUBLIC LICENSE</a></h3></b>
<p>Version 2, June 1991</p>
<pre class="literal-block">
Copyright (C) 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.
</pre>
<p>Back to the <a class="reference" href="#top">Top</a></p>
<br><div class="section" id="preamble">
<h3><a class="toc-backref" href="#id2" name="preamble">Preamble</a></h3>
<p>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.</p>
<p>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.</p>
<p>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.</p>
<p>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.</p>
<p>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.</p>
<p>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.</p>
<p>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.</p>
<p>The precise terms and conditions for copying, distribution
and modification follow.</p>
<p>Back to the <a class="reference" href="#top">Top</a></p>
</div>
<br><div class="section" id="terms-and-conditions-for-copying-distribution-and-modification">
<h3><a class="toc-backref" href="#id3" name="terms-and-conditions-for-copying-distribution-and-modification">TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</a></h3>
<ol class="arabic" start="0">
<li><p class="first">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".</p>
<p>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.</p>
</li>
<li><p class="first">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.</p>
<p>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.</p>
</li>
<li><p class="first">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:</p>
<ol class="loweralpha simple">
<li>You must cause the modified files to carry prominent
notices stating that you changed the files and the date
of any change.</li>
<li>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.</li>
<li>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.)</li>
</ol>
<p>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.</p>
<p>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.</p>
<p>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.</p>
</li>
<li><p class="first">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:</p>
<ol class="loweralpha simple">
<li>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,</li>
<li>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,</li>
<li>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.)</li>
</ol>
<p>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.</p>
<p>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.</p>
</li>
<li><p class="first">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.</p>
</li>
<li><p class="first">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.</p>
</li>
<li><p class="first">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.</p>
</li>
<li><p class="first">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.</p>
<p>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.</p>
<p>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.</p>
<p>This section is intended to make thoroughly clear what
is believed to be a consequence of the rest of this
License.</p>
</li>
<li><p class="first">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.</p>
</li>
<li><p class="first">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.</p>
<p>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.</p>
</li>
<li><p class="first">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.</p>
</li>
</ol>
<p><strong>NO WARRANTY</strong></p>
<ol class="arabic simple" start="11">
<li>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.</li>
<li>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.</li>
</ol>
<p><strong>END OF TERMS AND CONDITIONS</strong></p>
<p>Back to <a class="reference" href="#top">Top</a></p>
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