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47
APPENDIX
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 there of, 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
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