LICENSE
This section describes software license used for DVD-A1UD. To maintain the correct content, the
original (English) is used.
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Exhibit-A
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991
Free Software Foundation, Inc. 59 Temple Place, Suite
330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim
copies of this license document, but changing it is not
allowed.
Preamble
The licenses for most software are designed to take away
your freedom to share and change it. By contrast, the
GNU General Public
License is intended to guarantee your freedom to share
and change free software--to make sure the software is
free for all its users. This General Public License applies
to most of the Free Software Foundations software and
to any other program whose authors commit to using it.
(Some other Free Software Foundation software is covered
by the GNU Library General Public License instead.) You
can apply it to your programs, too.
When we speak of free software, we are referring to
freedom, not price. Our General Public Licenses are
designed to make sure that you have the freedom to
distribute copies of free software (and charge for this
service if you wish), that you receive source code or 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 you to
surrender the rights. These restrictions translate to certain
responsibilities for you if you distribute copies of the
software, or if you modify it.
For example, if you distribute copies of such a program,
whether gratis or for a fee, you must give the recipients all
the rights that you have. You must make sure that they,
too, receive or can get the source code. And you must
show them these terms so they know their rights.
We protect your rights with two steps: (1) copyright the
software, and (2) offer you this license which gives you
legal permission to copy, distribute and/or modify the
software.
Also, for each author’s protection and ours, we want to
make certain that everyone understands that there is no
warranty for this free software. If the software is modified
by someone else and passed on, we want its recipients
to know that what they have is not the original, 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
redistributors of a free program will individually obtain
patent licenses, in effect making the program proprietary.
To prevent this, we have made it clear that any patent must
be licensed for everyone’s free use or not licensed at all.
The precise terms and conditions for copying, distribution
and modification follow.
TERMS
AND
CONDITIONS
FOR
COPYING,
DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work
which contains a notice placed by the copyright holder
saying it may be distributed under the terms of this
General Public License. The “Program”, below, refers
to any such program or work, and a “work based
on the Program” means either the Program or any
derivative work under copyright law: that is to say, a
work containing the Program or a portion of it, either
verbatim or with modifications and/or translated into
another language. (Hereinafter, translation is included
without limitation in the term “modification”.) Each
licensee is addressed as “you”.
Activities other than copying, distribution and
modification are not covered by this License; they
are outside its scope. The act of running the Program
is not restricted, and the output from the Program is
covered only if its contents constitute a work based
on the Program (independent of having been made by
running the Program). Whether that is true depends on
what the Program does.
1. You may copy and distribute verbatim copies of the
Program’s 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 give any other recipients of the Program
a copy of this License along with the Program.
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 Program
or any portion of it, thus forming a work based on the
Program, 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) You must cause the modified files to carry prominent
notices stating that you changed the files and the
date of any change.
b) You must cause any work that you distribute
or publish, that in whole or in part contains or is
derived from the Program or any part thereof, to be
licensed as a whole at no charge to all third parties
under the terms of this License.
c) If the modified program normally reads commands
interactively when run, you must cause it, when
started running for such interactive use in the most
ordinary way, to print or display an announcement
including an appropriate copyright notice and a
notice that there is no warranty (or else, saying
that you provide a warranty) and that users may
redistribute the program under these conditions,
and telling the user how to view a copy of this
License.
(Exception: if the Program itself is interactive but
does not normally print such an announcement,
your work based on the Program is not required to
print an announcement.)
These requirements apply to the modified work as
a whole. If identifiable sections of that work are not
derived from the Program, and can be reasonably
considered independent and separate works in
themselves, then this License, and its terms, do not
apply to those sections when you distribute them as
separate works. But when you distribute the same
sections as part of a whole which is a work based on
the Program, the distribution of the whole must be on
the terms of this License, whose permissions for other
licensees extend to the entire whole, and thus to each
and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights
or contest your rights to work written entirely by you;
rather, the intent is to exercise the right to control the
distribution of derivative or collective works based on
the Program.
In addition, mere aggregation of another work not
based on the Program with the Program (or with a
work based on the Program) on a volume of a storage
or distribution medium does not bring the other work
under the scope of this License.
3. You may copy and distribute the Program (or a
work based on it, under Section 2) in object code or
executable form under the terms of Sections 1 and 2
above provided that you also do one of the following:
a) Accompany it with the complete corresponding
machine-readable source code, which must be
distributed under the terms of Sections 1 and 2
above on a medium customarily used for software
interchange; or,
b) Accompany it with a written offer, valid for at least
three years, to give any third party, for a charge no
more than your cost of physically performing source
distribution, a complete machine-readable copy of
the corresponding source code, to be distributed
under the terms of Sections 1 and 2 above on a
medium customarily used for software interchange;
or,
c) Accompany it with the information you received as
to the offer to distribute corresponding source code.
(This alternative is allowed only for noncommercial
distribution and only if you received the program in
object code or executable form with such an offer,
in accord with Subsection b above.)
The source code for a work means the preferred
form of the work for making modifications to it. For
an executable work, 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
executable.
However, as a special exception, the source code
distributed need not include anything that is normally
distributed (in either source or binary form) with the
major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless
that component itself accompanies the executable.
If distribution of executable or object code is made by
offering access to copy from a designated place, then
offering equivalent access to copy the source code from
the same place counts as distribution of the source
code, even though third parties are not compelled to
copy the source along with the object code.
License
4. You may not copy, modify, sublicense, or distribute
the Program except as expressly provided under this
License. Any attempt otherwise to copy, modify,
sublicense or distribute the Program is void, and will
automatically terminate your rights under this License.
However, parties who have received copies, or rights,
from you under this License will not have their licenses
terminated so long as such parties remain in full
compliance.
5. You are not required to accept this License, since you
have not signed it. However, nothing else grants you
permission to modify or distribute the Program or its
derivative works. These actions are prohibited by
law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work
based on the Program), you indicate your acceptance
of this License to do so, and all its terms and conditions
for copying, distributing or modifying the Program or
works based on it.
6. Each time you redistribute the Program (or any work
based on the Program), the recipient automatically
receives a license from the original licensor to copy,
distribute or modify the Program subject to these
terms and conditions. You may not impose any further
restrictions on the recipients’ exercise of the rights
granted herein.
You are not responsible for enforcing compliance by
third parties to this License.
7. If, as a consequence of a court judgment or allegation
of patent infringement or for any other reason (not
limited to patent issues), conditions are imposed on
you (whether by court order, agreement or otherwise)
that contradict the conditions of this License, they do
not excuse you from the conditions of this License. If
you cannot distribute so as to satisfy simultaneously
your obligations under this License and any other
pertinent obligations, then as a consequence you
may not distribute the Program at all. For example,
if a patent license would not permit royalty-free
redistribution of the Program by all those who receive
copies directly or indirectly through you, then the only
way you could satisfy both it and this License would
be to refrain entirely from distribution of the Program.
If any portion of this section is held invalid or
unenforceable under any particular circumstance,
the balance of the section is intended to apply and
the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to
infringe any patents or other property right claims or
to contest validity of any such claims; this section has
the sole purpose of protecting the integrity of the free
software distribution system, which is implemented
by public license practices. Many people have
made generous contributions to the wide range of
software distributed through that system in reliance
on consistent application of that system; it is up to
the author/donor to decide if he or she is willing to
distribute software through any other system and a
licensee cannot impose that choice.
This section is intended to make thoroughly clear what
is believed to be a consequence of the rest of this
License.
