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applies to some specially designated Free Software
Foundation software, and to any other libraries
whose authors decide to use it. You can use it for
your libraries, too.
When we speak of free software, we are referring to
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designed to make sure that you have the freedom to
distribute copies of free software (and charge for this
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can get it if you want it, that you can change the
software or use pieces of it in new free programs; and
that you know you can do these things.
To protect your rights, we need to make restrictions
that forbid anyone to deny you these rights or to ask
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For example, if you distribute copies of the library,
whether gratis or for a fee, you must give the
recipients all the rights that we gave you. You must
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source code. If you link a program with the library,
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after making changes to the library and recompiling it.
And you must show them these terms so they know
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Our method of protecting your rights has two steps:
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Also, for each distributor's protection, we want to
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companies distributing free software will individually
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have made it clear that any patent must be licensed
for everyone's free use or not licensed at all.
Most GNU software, including some libraries, is
covered by the ordinary GNU General Public License,
which was designed for utility programs. This license,
the GNU Library General Public License, applies to
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The reason we have a separate public license for
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and the ordinary General Public License treats it as
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Because of this blurred distinction, using the ordinary
General Public License for libraries did not effectively
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did not use the libraries. We concluded that weaker
conditions might promote sharing better.
However, unrestricted linking of non-free programs
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Note that it is possible for a library to be covered by
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TERMS AND CONDITIONS FOR COPYING,
DISTRIBUTION AND MODIFICATION
A "library" means a collection of software functions
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The "Library", below, refers to any such software
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either the Library or any derivative work under
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Library or a portion of it, either verbatim or with
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without limitation in the term "modification".)
"Source code" for a work means the preferred form of
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complete source code means all the source code for
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