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on consistent application of that system; it is up to the author/donor
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This section is intended to make thoroughly clear what is believed to
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12. 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
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countries not thus excluded. In such case, this License incorporates the
limitation as if written in the body of this License.
13. The Free Software Foundation may publish revised and/or new
versions of the Library 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 Library
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14. If you wish to incorporate parts of the Library into other free
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NO WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Libraries
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).
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.
<one line to give the library's name and a brief idea
of what it does.>
Copyright (C) <year> <name of author>
56
This library is free software; you can redistribute it
and/or modify it under the terms of the GNU Library
General Public License as published by the Free
Software Foundation; either version 2 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 Library General Public
License for more details.
You should have received a copy of the GNU Library
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
Also add information on how to contact you by electronic and paper mail.
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:
Yoyodyne, Inc., hereby disclaims all copyright
interest in the library `Frob' (a library for tweaking
knobs) written by James Random Hacker.
<signature of Ty Coon>, 1 April 1990
Ty Coon, President of Vice
That's all there is to it!
LPGL Version 2.1
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 document, but changing it is
not allowed.
[This is the first 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
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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 first 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
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We protect your rights with a two-step method: (1) we copyright
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When a program is linked with a library, whether statically or using
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Public License permits more lax criteria for linking other code with
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We call this license the "Lesser" General Public License because it does
Less to protect the user's freedom than the ordinary General Public
License. It also provides other free software developers Less of an
advantage over competing non-free programs. These disadvantages
are the reason we use the ordinary General Public License for many
libraries. However, the Lesser license provides advantages in certain
special circumstances.
For example, on rare occasions, there may be a special need to
encourage the widest possible use of a certain library, so that it
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use the Lesser General Public License.
In other cases, permission to use a particular library in non-free
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Although the Lesser General Public License is Less protective of the
users' freedom, it does ensure that the user of a program that is linked
with the Library has the freedom and the wherewithal to run that
program using a modified version of the Library.
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GNU LESSER GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION
AND MODIFICATION
0. This License Agreement applies to any software library or other
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other authorized party saying it may be distributed under the terms
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