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.
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.
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 geographical distribution limitation
excluding those countries, 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 revised and/or new versions of the General
Public License from time to time.
Such new versions will be similar in spirit to the present version, but may differ in
detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program specifies a version
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 you wish to incorporate parts of the Program into other free programs whose
distribution conditions are different, write to the author to ask for permission. For
software which is copyrighted by the Free Software Foundation, write to the Free
Software Foundation; we sometimes make exceptions 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 software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE
PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN
WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS"
WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD
THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR
OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY
COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE
PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL,
SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO
USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED
INACCURATE 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.