Sony STR-DA3700ES User Manual

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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 make sure that they, too, receive
or can get the source code. If you link a
program with the library, you must provide
complete object files to the recipients so that
they can relink them with the library, after
making changes to the library and recompiling
it. And you must show them these terms so
they know their rights.

Our method of protecting your rights has two
steps: (1) copyright the library, and (2) offer
you this license which gives you legal
permission to copy, distribute and/or modify
the library.

Also, for each distributor's protection, we want
to make certain that everyone understands that
there is no warranty for this free library. If the
library is modified by someone else and passed
on, we want its recipients to know that what
they have is not the original version, so that
any problems introduced by others will not
reflect on the original authors' reputations.

Finally, any free program is threatened
constantly by software patents. We wish to
avoid the danger that companies distributing
free software will individually obtain patent
licenses, thus in effect transforming the
program into proprietary software. To prevent
this, we 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 certain
designated libraries. This license is quite
different from the ordinary one; be sure to read
it in full, and don't assume that anything in it is
the same as in the ordinary license.

The reason we have a separate public license
for some libraries is that they blur the
distinction we usually make between
modifying or adding to a program and simply

using it. Linking a program with a library,
without changing the library, is in some sense
simply using the library, and is analogous to
running a utility program or application
program. However, in a textual and legal
sense, the linked executable is a combined
work, a derivative of the original library, and
the ordinary General Public License treats it as
such.

Because of this blurred distinction, using the
ordinary General Public License for libraries
did not effectively promote software sharing,
because most developers did not use the
libraries. We concluded that weaker conditions
might promote sharing better.

However, unrestricted linking of non-free
programs would deprive the users of those
programs of all benefit from the free status of
the libraries themselves. This Library General
Public License is intended to permit
developers of non-free programs to use free
libraries, while preserving your freedom as a
user of such programs to change the free
libraries that are incorporated in them. (We
have not seen how to achieve this as regards
changes in header files, but we have achieved
it as regards changes in the actual functions of
the Library.) The hope is that this will lead to
faster development of free libraries.

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, while the latter only works
together with the library.

Note that it is possible for a library to be
covered by the ordinary General Public
License rather than by this special one.

GNU LIBRARY GENERAL
PUBLIC LICENSE TERMS AND
CONDITIONS FOR COPYING,

010GB01.fm Page 7 Wednesday, September 21, 2011 2:50 PM

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