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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 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.
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
