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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
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library. A more frequent 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 we use the Lesser General Public License.
In other cases, permission to use a particular library in non-free programs enables a greater number of people to
use a large body of free software. For example, permission to use the GNU C Library in non-free programs enables
many more people to use the whole GNU operating system, as well as its variant, the GNU/Linux operating system.
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 modifi ed
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The precise terms and conditions for copying, distribution and modifi cation follow. Pay close attention to the
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License Agreement applies to any software library or other program which contains a notice placed by the
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1. You may copy and distribute verbatim copies of the Library's complete source code as you receive it, in any
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110
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