Sony RMN-U1 Manuel d'utilisation

Page 100

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recipients should know that what they have is not the
original version, so that the original author’s reputation
will not be affected by problems that might be introduced
by others.

Finally, software patents pose a constant threat to the
existence of any free program. We wish to make sure that
a company cannot effectively restrict the users of a free
program by obtaining a restrictive license from a patent
holder. Therefore, we insist that any patent license
obtained for a version of the library must be consistent
with the full freedom of use specified in this license.

Most GNU software, including some libraries, is covered
by the ordinary GNU General Public License. This
license, the GNU Lesser General Public License, applies
to certain designated libraries, and is quite different from
the ordinary General Public License. We use this license
for certain libraries in order to permit linking those
libraries into non-free programs.

When a program is linked with a library, whether
statically or using a shared library, the combination of the
two is legally speaking a combined work, a derivative of
the original library. The ordinary General Public License
therefore permits such linking only if the entire
combination fits its criteria of freedom. The Lesser
General Public License permits more lax criteria for
linking other code with the library.

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 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 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
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, DISTRIBUTION 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 library
or work which has been distributed under these terms. A
“work based on the Library” means either the Library or
any derivative work under copyright law: that is to say, a
work containing the 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
“modification”.)

”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 program 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
(independent 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 appropriate
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 a copy of this
License along with the Library.

You may charge a fee for the physical act of transferring a
copy, and you may at your option offer warranty
protection in exchange for a fee.

2. You may modify your copy or copies of the Library or

any portion of it, thus forming a work based on the
Library, and copy and distribute such modifications or
work under the terms of Section 1 above, provided that
you also meet all of these conditions:
a) The modified work must itself be a software library.
b) You must cause the files modified to carry

prominent notices stating that you changed the files
and the date of any change.

c) You must cause the whole of the work to be

licensed at no charge to all third parties under the
terms of this License.

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