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165
ENGENGLISH
OPEN SOURCE LICENSE
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 becomes a de-facto
standard. To achieve this, non-free programs must
be allowed to use the 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 soft-
ware. 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 en-
sure 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.
The precise terms and conditions for copying,
distribution and modification follow. Pay close
attention to the difference between a "work based
on the library" and a "work that uses the library".
The former contains code derived from the library,
whereas the latter must be combined with the
library in order to run.
TERMS AND CONDITIONS FOR COPYING, DIS-
TRIBUTION AND MODIFICATION
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 called
"this License"). Each licensee is addressed as
"you".
A "library" means a collection of software functions
and/or data prepared so as to be conveniently
linked with application programs (which use some
of those functions and data) to form executables.
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
modifications and/or translated straightforwardly
into another language. (Hereinafter, translation is
included without limitation in the term "modifica-
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"Source code" for a work means the preferred
form of the work for making modifications to it.
For a library, complete source code means all the
source code for all modules it contains, plus any
associated interface definition files, plus the scripts
used to control compilation and installation of the
library.
Activities other than copying, distribution and
modification are not covered by this License; they
are outside its scope. The act of running a pro-
gram using the Library is not restricted, and output
from such a program is covered only if its contents
constitute a work based on the Library (independ-
ent of the use of the Library in a tool for writing it).
Whether that is true depends on what the Library
does and what the program that uses the Library
does.
1. You may copy and distribute verbatim copies of
the Library's complete source code as you receive
it, in any medium, provided that you conspicuously
and appropriately publish on each copy an appro-
priate copyright notice and disclaimer of warranty;
keep intact all the notices that refer to this License
and to the absence of any warranty; and distribute
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You may charge a fee for the physical act of trans-
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