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your freedom to share and change fr ee
software--to make sure the soft ware is free
for all its users. This General Public License
applies to most of the Fr ee Soft ware
Foundation's software and to an y other
program whose authors commit to using
it. (Some other Free Software F oundation
software is covered by the GNU Lesser
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 t o 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.
T o 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 d istribute copies of such
a program, whether gratis or f or a fee, you
must give the recipients all the rights that
you have. You must make sure that they ,
too, receiv e or can get the source code.
And you must show them these terms so
they know their rights.
We prot ect your rights with t wo steps:
(1) copyright the software, and (2) oer
you this license which gives you legal
permission to copy, distribute and/or
modify the software.
Also, for each author's pr otection and ours,
we want to make certain that ever yone
understands that there is no warranty
for this free software. If the software is
modied 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
reect on the original authors' reputations.
Finally , any free program is thr eatened
constantly by software patents. We wish
to avoid the danger that redistributors of a
free program will individually obtain patent
licenses, in eect making the program
proprietary. T o 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 modication
follow .
TERMS AND CONDITIONS FOR
COP YING, DISTRIBUTION AND
MODIFICA TION
0. This License applies to any pr ogram
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 "Prog ram" , below, refers to an y
such program or work, and a "work
based on the Program " means either
the Program or an y derivative work
under copyright law: that is to say,
a work containing the Program or
a portion of it, either verbatim or
with modications and/or translated
into another language. (Hereinafter ,
translation is included without
limitation in the term "modication" .)
Each licensee is addressed as "you" .
Activities other than copying,
distribution and modication are
not covered by this License; they are
outside its scope. The act of running
the Program is not r estricted, and the
output from the Pr ogram 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. Y ou 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 cop y of this License along
with the Program.
Y ou may charge a fee for the physical
act of transferring a copy, and you
may at your option oer warranty
protection in exchange for a f ee.
2. Y ou may modify your copy or copies
of the Program or an y por tion of it,
thus forming a work based on the
Program, and cop y and distribute such
modications or work under the terms
of Section 1 above, provided that you
also meet all of these conditions:
a) Y ou must cause the modied les
to carry prominent notices stating
that you changed the les and
the date of any change.
b) Y ou must cause any work that
you distribute or publish, that in
whole or in part contains or is
derived from the Pr ogram or any
part thereof, to be licensed as a
whole at no charge to all third
parties under the terms of this
License.
c) I f the modied 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 pro vide
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 int eractive but
does not normally print such an
announcement, your work based
on the Program is not r equired to
print an announcement.)
These requirements apply to
the modied work as a whole. If
identiable sections of that work
are not derived from the P rogram,
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 par t 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 P rogram (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. Y ou may copy and distribute the
Program ( or a work based on it, under
Section 2) in ob ject code or execut able
form under the terms of Sections 1
and 2 above provided that you also do
one of the following:
a) A ccompany 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) A ccompany it with a written
oer , valid for at least three
years, to give an y third part y,
for a charge no more than y our
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) A ccompany it with the
information you received as to the
oer 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 oer , in accord with
Subsection b above.)
HB516-RD1_BDEUPPK_DUT.indd 75 2011-06-02 �� 11:03:36