either by patents or by copyrighted interfaces, the original copyright holder who
places the Program under this License may add an explicit geographical distribu-
tion 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.
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 speci
fi
es 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.
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
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NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO
WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY AP-
PLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE
COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PRO-
GRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRAN-
TIES 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.
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 PER-
MITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
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END OF TERMS AND CONDITIONS
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
fi
le to most effectively convey the exclusion of warranty;
and each
fi
le should have at least the "copyright" line and a pointer to where the
full notice is found.
one line to give the program's name and an idea of what it does.
Copyright (C)
yyyy 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 Foun-
dation; 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 FIT-
NESS 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., 51 Franklin Street,
Fifth Floor, Boston, MA 02110-1301, USA. 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:
Gnomovision version 69, Copyright (C)
year name of author
Gnomovision comes
r
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.
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:
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
This General Public License does not permit incorporating your program into pro-
prietary 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 Lesser General Public License instead of this License.
If you are interested in obtaining GPL source code used in this product, please
contact P&F USA, Inc.,
PO Box 430 Daleville, IN 47334-0430 U.S.A.
LGPL
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies of this license docu-
ment, but changing it is not allowed.
[This is the
fi
rst released version of the Lesser GPL. It also counts as the successor
of the GNU Library Public License, version 2, hence the version number 2.1.]
Preamble
The licenses for most software are designed to take away your freedom to share
and change it. By contrast, the GNU General Public Licenses are intended to guar-
antee your freedom to share and change free software--to make sure the software
is free for all its users.
This license, the Lesser General Public License, applies to some specially designated
software packages--typically libraries--of the Free Software Foundation and other
authors who decide to use it. You can use it too, but we suggest you
fi
rst think
carefully about whether this license or the ordinary General Public License is the
better strategy to use in any particular case, based on the explanations below.
When we speak of free software, we are referring to freedom of use, not price.
Our General Public Licenses are designed to make sure that you have the freedom
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To protect your rights, we need to make restrictions that forbid distributors to
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must give the recipients all the rights that we gave you. You must make sure that
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you must show them these terms so they know their rights.
We protect your rights with a two-step method: (1) we copyright the library, and
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To protect each distributor, we want to make it very clear that there is no warranty
for the free library. Also, if the library is modi
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ed by someone else and passed on,
the recipients should know that what they have is not the original version, so that
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Finally, software patents pose a constant threat to the existence of any free pro-
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Most GNU software, including some libraries, is covered by the ordinary GNU
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We call this license the "Lesser" General Public License because it does Less
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For example, on rare occasions, there may be a special need to encourage the
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quent case is that a free library does the same job as widely used non-free libraries.
In this case, there is little to gain by limiting the free library to free software only, so
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In other cases, permission to use a particular library in non-free programs enables
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Although the Lesser General Public License is Less protective of the users' free-
dom, it does ensure that the user of a program that is linked with the Library has
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The precise terms and conditions for copying, distribution and modi
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Pay close attention to the difference between a "work based on the library" and
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GNU LESSER GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICA-
TION
0. This License Agreement applies to any software library or other program which
contains a notice placed by the copyright holder or other authorized party saying
it may be distributed under the terms of this Lesser General Public License (also
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A "library" means a collection of software functions and/or data prepared so as to
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