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 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.
=================================================
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 Licenses are intended to guarantee your freedom to
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free for all its users.
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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
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and that you are informed that you can do these things.
To protect your rights, we need to make restrictions that
forbid distributors to deny you these rights or to ask you to
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responsibilities for you if you distribute copies of the library or
if you modify it.
For example, if you distribute copies of the library, whether
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We protect your rights with a two-step method: (1) we
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Most GNU software, including some libraries, is covered by the
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The ordinary General Public License therefore permits such
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The Lesser General Public License permits more lax criteria for
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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
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In other cases, permission to use a particular library in non-
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Although the Lesser General Public License is Less protective
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