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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" http://www.w3.org/TR/html4/strict.dtd">
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<html lang="en"><head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>GNU Lesser General Public License v2.1 - GNU Project - Free Software Foundation (FSF)</title>
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<link rel="alternate" type="application/rdf+xml" href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.rdf">
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<body>
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<h3><a id="SEC1">GNU LESSER GENERAL PUBLIC LICENSE</a></h3>
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<p>
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Version 2.1, February 1999
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</p>
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<pre>Copyright (C) 1991, 1999 Free Software Foundation, Inc.
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 Lesser GPL. It also counts
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as the successor of the GNU Library Public License, version 2, hence
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the version number 2.1.]
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</pre>
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<h3><a id="SEC2">Preamble</a></h3>
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The licenses for most software are designed to take away your
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This license, the Lesser General Public License, applies to some
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the materials to be 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>
|
||
|
It may happen that this requirement contradicts the license
|
||
|
restrictions of other proprietary libraries that do not normally
|
||
|
accompany the operating system. Such a contradiction means you cannot
|
||
|
use both them and the Library together in an executable that you
|
||
|
distribute.
|
||
|
</p>
|
||
|
<p>
|
||
|
<strong>7.</strong> 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 not covered by this License, and distribute
|
||
|
such a combined library, provided that the separate distribution of
|
||
|
the work based on the Library and of the other library facilities is
|
||
|
otherwise permitted, and provided that you do these two things:
|
||
|
</p>
|
||
|
|
||
|
<ul>
|
||
|
<li><strong>a)</strong> Accompany the combined library with a copy
|
||
|
of the same work based on the Library, uncombined with any other
|
||
|
library facilities. This must be distributed under the terms of
|
||
|
the Sections above.</li>
|
||
|
|
||
|
<li><strong>b)</strong> Give prominent notice with the combined
|
||
|
library of the fact that part of it is a work based on the
|
||
|
Library, and explaining where to find the accompanying uncombined
|
||
|
form of the same work.</li>
|
||
|
</ul>
|
||
|
|
||
|
<p>
|
||
|
<strong>8.</strong> You may not copy, modify, sublicense, link with,
|
||
|
or distribute the Library except as expressly provided under this
|
||
|
License. Any attempt otherwise to copy, modify, sublicense, link
|
||
|
with, or distribute the Library 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>
|
||
|
<p>
|
||
|
<strong>9.</strong>
|
||
|
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 Library or its derivative works. These actions are
|
||
|
prohibited by law if you do not accept this License. Therefore, by
|
||
|
modifying or distributing the Library (or any work based on the
|
||
|
Library), you indicate your acceptance of this License to do so, and
|
||
|
all its terms and conditions for copying, distributing or modifying
|
||
|
the Library or works based on it.
|
||
|
</p>
|
||
|
<p>
|
||
|
<strong>10.</strong>
|
||
|
Each time you redistribute the Library (or any work based on the
|
||
|
Library), the recipient automatically receives a license from the
|
||
|
original licensor to copy, distribute, link with or modify the Library
|
||
|
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 with
|
||
|
this License.
|
||
|
</p>
|
||
|
<p>
|
||
|
<strong>11.</strong>
|
||
|
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 Library at all. For example, if a patent
|
||
|
license would not permit royalty-free redistribution of the Library 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 Library.
|
||
|
</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>
|
||
|
<p>
|
||
|
<strong>12.</strong>
|
||
|
If the distribution and/or use of the Library is restricted in
|
||
|
certain countries either by patents or by copyrighted interfaces, the
|
||
|
original copyright holder who places the Library 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>
|
||
|
<p>
|
||
|
<strong>13.</strong>
|
||
|
The Free Software Foundation may publish revised and/or new
|
||
|
versions of the Lesser 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 Library
|
||
|
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 Library does not specify a
|
||
|
license version number, you may choose any version ever published by
|
||
|
the Free Software Foundation.
|
||
|
</p>
|
||
|
<p>
|
||
|
<strong>14.</strong>
|
||
|
If you wish to incorporate parts of the Library into other free
|
||
|
programs whose distribution conditions are incompatible with these,
|
||
|
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>
|
||
|
<p>
|
||
|
<strong>NO WARRANTY</strong>
|
||
|
</p>
|
||
|
<p>
|
||
|
<strong>15.</strong>
|
||
|
BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
|
||
|
WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
|
||
|
EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
|
||
|
OTHER PARTIES PROVIDE THE LIBRARY "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
|
||
|
LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME
|
||
|
THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||
|
</p>
|
||
|
<p>
|
||
|
<strong>16.</strong>
|
||
|
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 LIBRARY 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
|
||
|
LIBRARY (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 LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
|
||
|
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
|
||
|
DAMAGES.
|
||
|
</p>
|
||
|
|
||
|
<h3>END OF TERMS AND CONDITIONS</h3>
|
||
|
|
||
|
<h3><a id="SEC4">How to Apply These Terms to Your New
|
||
|
Libraries</a></h3>
|
||
|
<p>
|
||
|
If you develop a new library, and you want it to be of the greatest
|
||
|
possible use to the public, we recommend making it free software that
|
||
|
everyone can redistribute and change. You can do so by permitting
|
||
|
redistribution under these terms (or, alternatively, under the terms of the
|
||
|
ordinary General Public License).
|
||
|
</p>
|
||
|
<p>
|
||
|
To apply these terms, attach the following notices to the library. 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.
|
||
|
</p>
|
||
|
|
||
|
<pre><var>one line to give the library's name and an idea of what it does.</var>
|
||
|
Copyright (C) <var>year</var> <var>name of author</var>
|
||
|
|
||
|
This library is free software; you can redistribute it and/or
|
||
|
modify it under the terms of the GNU Lesser General Public
|
||
|
License as published by the Free Software Foundation; either
|
||
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
||
|
This library 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
|
||
|
Lesser General Public License for more details.
|
||
|
|
||
|
You should have received a copy of the GNU Lesser General Public
|
||
|
License along with this library; if not, write to the Free Software
|
||
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
</pre>
|
||
|
|
||
|
<p>
|
||
|
Also add information on how to contact you by electronic and paper mail.
|
||
|
</p>
|
||
|
<p>
|
||
|
You should also get your employer (if you work as a programmer) or your
|
||
|
school, if any, to sign a "copyright disclaimer" for the library, if
|
||
|
necessary. Here is a sample; alter the names:
|
||
|
</p>
|
||
|
|
||
|
<pre>Yoyodyne, Inc., hereby disclaims all copyright interest in
|
||
|
the library `Frob' (a library for tweaking knobs) written
|
||
|
by James Random Hacker.
|
||
|
|
||
|
<var>signature of Ty Coon</var>, 1 April 1990
|
||
|
Ty Coon, President of Vice
|
||
|
</pre>
|
||
|
|
||
|
<p>
|
||
|
That's all there is to it!</p>
|
||
|
|
||
|
|
||
|
</body></html>
|