Additional information
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based on the Program (independent of
having been made by running the
Program). Whethe r 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 publis h on each copy an
appropriate copyri ght notice and
disclaimer of warranty; keep intact a ll
the notices that refer to thi s License and
to the absence of any warranty; and give
any other recipien ts of the Program a
copy of this License along with the
Program.
You may charge a fee for the physic al
act of transferring a copy, and you may
at your op tion offer warranty pr otection
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 Prog ram,
and copy and d istribute 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 pr ominent no tices sta ting that
you changed the files and the date of
any change.
b) You must cause any work that you
distri bute or publis h, that i n whol e or
in pa rt c on ta in s o r i s d er i ve d f ro m t h e
Program or any part thereof, to b e
licensed as a whol e 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 Progra m itself is
interactive but doe s not normally
print such an announcement, your
work based on t he 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 b ased on the
Program, the distribution of the whole
must be on the terms of this License,
whose permissions for o ther 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 bas ed 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. Y ou may copy a nd distribu te the
Program (or a w ork based on it, un der
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
correspondin g machine-readabl e
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 charg e no more
than your cost of physically
performing source distri bution, 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 correspondin g source
code. (This alte rnative is allowed onl y
for noncomme rcial distribution and
only if you rec eived the program in
object code or executable form with
such an offer, in accord with
Subsection b above.)
The sou rce cod e for a w ork means the
preferred form of the work for making
modifications to it. For an executable
work, co mplete so urce cod e means al l
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 distri buted
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
executab
le.
If distribution of executable or ob ject
cod
e is made by offering access to cop y
from a designated place, then offeri ng
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 distri bute the Program is
void, and will autom atically terminate
your rights under this License.
However, parti es 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 requir ed to accept this
License, since you have not signed it.
However, nothing else grants you
permission to modify or distrib ute the
Program or its derivative works. These
actions are prohib ited by law if you do
not accept this License. Therefore, by
modifyin g or distrib uting the Pro gram
(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, distr ibuting 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, distri bute or modify t he 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
respo nsible fo r enfor cing comp liance
by third parties to this Lic ense.
7. If, as a consequence of a court
judgment or allegation of patent
infringement or for any other re ason
(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 royal ty-free redistributi on of
the Program by all those who receive
copies directly or indirectly thro ugh 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 unenforc eable 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 an y patents or
other property right claims or to contest
validity of any such claims; this section
has the sole purpose of protecting the
integri ty of the fr ee software distributi on
system, which is implemented by public
license practices. Many peopl e have
made generous contributions to the
wide range of software distri buted
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 distrib ute software
through any other system and a
licensee cannot impose that choice.
This section is intended to make
thorough ly clear what is believed to b e a
consequence of the rest of this License.
8. If the distribution and/or use of the
Program is restricted in certain
countries either by patents or by
copyrighted interfaces, the original
copyright holder who places the
Program under this License may add an
explicit g eographical di stribution
limitation excluding those coun tries, so
that distribution is permitted only in or
among countries not thus excluded. In
such case, this License incorporates
the limitation as if written in the body of
this License.
9. The Free Software Foundation may
publish revise d and/or new vers ions of
the General Public License from time to
time. Such new versions wi ll be similar
in spirit to the present version, but may
differ in detail to address new problem s
or concerns.
Each version is given a di stinguishing
version number. If the Program
specifies a vers ion number of this
License which applies to it and “any
later version”, you have the option of
following the terms and conditions
either of that version or of any later
version published by the Free Software
Foundation. If the Program does not
specify a version number of this
License, you may choose any version
ever published by the Free Software
Foundation.
10. If y ou wish to incorporate parts of the
Program into other free progra ms
whose distribution conditions are
different, write to the author to ask for
permission. Fo r software which is
copyrighted by the Free Software
Foundation, write to the Free Software
Found
ation; we sometimes make
excepti
ons for this. Our decision will be
guided by the two goals of preserving
the free status of all derivatives of our
free software and of promoting the
sharing and reuse of so ftware generally.
NO WARRANTY
11. BEC AUSE THE PROGRAM IS
LICENSED FREE OF CHARGE, THERE
IS NO WARRANTY FOR THE
PROGRAM, TO THE EXTE NT
PERMITTED BY APPLICABLE LAW.
EXCEPT WHEN OTHERWIS E STATED
IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRA M “AS IS”
WITHOUT WAR RANTY OF ANY KIN D,
EITHER E XPRESSED OR IMPLIE D,
INCLUDING, BUT NOT LIMITE D TO, THE
IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE . THE
ENTIRE RISK AS TO THE QUALIT Y AND
PERFORMANCE OF THE PROGRAM IS
WITH YOU. SHOULD THE PROGRAM
PROVE DEFECTIVE, YOU A SSUME THE
COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY
APPLICABLE LAW OR AGREED T O IN
WRITING WILL ANY COPYRIGHT
HOLDER, OR ANY OTHER PARTY WHO
MAY MODIFY AND/OR REDIS TRIBUTE
THE PROGRAM AS PERMITTED
ABOVE, BE LIABLE TO YOU FOR
DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES ARISI NG
OUT OF THE USE OR INABILITY TO USE
THE PROGRAM (INCLUDING B UT NOT
LIMITED TO LOSS OF DATA OR DATA
BEING REN DERED INAC CURATE OR
LOSSES SUSTAINED BY YOU OR
THIRD PARTIES OR A FAILURE OF THE
PROGRAM TO OPERATE WITH ANY
OTHER PROGRAMS), EVEN IF SUCH
HOLDER OR OTHER PARTY HAS BEEN
ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
END OF TERMS AND
CONDITIONS
How to Apply These Terms to
Your New Programs
If you develop a new program, and you want
it to be of the greatest possible use to the
public, the best way to achieve this is to
make it free software which everyone can
redistri bute and change under these t erms.
To do so, attach the following notic es to the
program. It is safest to attach them to the
start of each source file to most effectively
convey the exclusion of warranty; and each
file should have at least the “copyrig ht” line
and a pointer to where the full notice is
found.
one line to give t he program’s name and an
idea of what it does.
Copyright (C) yyyy name of autho r
This program is free software; you ca n
redistri bute it an d/or modify it under th e
terms of the GNU General Public License as
published by the Free Software Foundation;
either version 2 of the License, or (at your
option) any later version.
This program is distributed i n the hope that
it will be useful, but WITH OUT ANY
WARRANTY; without even the implied
warranty of MERCHA NTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the
GNU Genera l Public Licen se for more
details.
You should have received a copy of the GNU
General Public Lic ense
along with this program; if not, write to the
Free Software Foundation, Inc., 51 Franklin
Street, Fifth Floor, Boston, MA 02110-1301,
USA.
Also add information on how to contact you
by electronic and pap er mail.
If the program is interactive, make it output
a short notice like this when it starts in an
interactive mode:
Gnomovision version 69, C opyright (C) year
name of author
Gnomovision comes wi th ABSOLUTELY NO
WARRANTY; for details type ‘show w’. This
is free software, and you are welcome to
redistribute it under c ertain conditions;
type ‘show c’ for details.
The hypothetical commands ‘sho w w’ and
‘show c’ shoul d show the appropriate par ts
of the General Public License. Of course,
the commands you use may be called
something other than ‘show w’ and ‘show
c’; they could even be mouse-clicks or
menu items--whatever suits your program.
You should also get your employer (if you
work as a programmer) or your sch ool, if
any, to sign a “cop yright disclaimer” for the
program, if necessary. Here is a sa mple;
alter the names: