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However, parties who have rece ived copies, or rights, from you under
this License will not have their licenses ter minated so long as such
parties remain in full compliance.
5. You are not re quired to accept this Li cense, since you have not si gned
it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. Th ese 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 indica te your acc eptance o f this Lice nse to do so, and
all its terms and conditio ns for copying, distributing or modify ing the
Program or works based on it.
6. Each time you redistr ibute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to co py, distribute or modify the Prog ram subject to
these terms and co nditions. You may not impose a ny further
restrictio ns on the recipients ' exercise of the rig hts grante d
herein.You are no t responsible for enforcin g 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 yo u from the conditions of this Li cense. If you cann ot
distribute so as to satisfy simultaneously your obligatio ns 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 redis tribution of th e Program by
all those who receive copies directly or indirectly through you, then
the only way you cou ld satisfy both it and this License would be to
refrain entire ly 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 purpo se of thi s section to induce you to infringe any
patents or oth er property r ight claims or to contest validity of any such
claims; this sectio n has the sole purpose of prot ecting the integrity of
the free software distribution system, which is implemented by pu blic
license prac tices. Many people have m ade generous contributi ons to
the wide range of software distributed through that system in reliance
on consistent ap plication 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 a nd a licensee cannot im pose that choice.
This section is intended to make thoroughly clear what is beli eved to
be a consequence of the rest of this License.
8. If the distrib ution 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 distributio n is permitted on ly in or among countr ies
not thus excluded. In such case, this Lice nse incorporates the
limitation as if written in the body of this License.
9. The Free Sof tware Foundation may publish rev ised and/or new
versions of the General Public License from time to time. Such new
versions will be similar in spiri t to the present version, but may differ
in detail to address new problems or conc erns.
Each version is given a distinguishin g version number. If th e Program
specifies a ver sion number of this Licen se which applies to i t and "any
later versio n", you have the option of followi ng the terms and
conditions either of that version or of any later vers ion published by
the Free Soft ware Foundation. If the Pr ogram does not specify a
version nu mber of this Lic ense, you may ch oose any version ever
published by the Free Software Foun dation.
10. If you wish to incorporate par ts of the Program into other free
programs whose distribu tion conditions are different, write to the
author to ask for permi ssion. For software whi ch is copyri ghted by the
Free Softwa re Foundation, writ e to the Free Sof tware Foundation; we
sometimes make exceptions for this. Our decision will be guided by
the two goals of preservin g the free status of all derivatives of ou r free
software and of promoting the sh aring and reuse of software
generally.
NO WARRAN TY
11. BECAUSE THE PROGRAM IS LICEN SED FREE OF CHARGE, THERE
IS NO WARRANTY F OR THE PROGRAM, TO THE EXTENT PERMITT ED
BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN
WRITING THE COPYRIGHT HOLDERS AN D/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 MERCHANTAB ILITY
AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WI TH
YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASS UME
THE COST OF AL L NECESSARY SERVI CING, REPAIR OR
CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR
AGREED TO IN WRITIN G WILL ANY COPYRIGH T HOLDER, OR ANY
OTHER PARTY WHO MAY M ODIFY AND/OR REDISTRIBUTE THE
PROGRAM AS PERMI TTED ABOVE, BE LIABLE TO YOU FOR
DAMAGES, INCLUDING ANY GENE RAL, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
INABILITY TO USE THE PROGRAM (INCL UDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
LOSSES SUSTAINED BY YOU OR THIRD PARTIES O R 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 SUC H DAMAGES.
END OF TERMS AN D CONDITIONS
How to Apply These Terms to Your New Pr ograms
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best wa y to achieve this is to make it free
software which everyo ne can redistribute and chan ge under these terms
To do so, attach the f ollowing notices to the pro gram. It is safest to attach
them to the start of each source file to most ef fectively convey the
exclusion of warranty; and each file should have at least the "copyright"
line and a pointer to where the full notice is found.
<one line to give the program' s name and a br ief idea of what it
does.>
Copyright (C) <year> <name of author>
This progra m is free software; you can redistrib ute it and/or modif y it
under the terms of the GNU General Public License as published by
the Free Soft ware Foundation; eithe r version 2 of the License, or (at
your option) any later versi on.
This program is distributed in the hope that it will be u seful, but
WITHOUT ANY WA RRANTY; withou t even the imp lied warranty of
MERCHANT ABILITY or F ITNESS FOR A PARTICULAR PURPOSE . See
the GNU General Public License for more details.
You should hav e received a copy of the G NU General Public Lice nse
along with this progr am; if not, write to the Free Softwar e Foundation,
Inc., 51 Frank lin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this when
it starts in an interactive mode:
Gnomovisio n version 69, Copyri ght (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details
type `show w'.
This is fr ee software, and you are welcome to redistribute it unde r
certain condit ions; type `show c' for detai ls.
The hypothetical commands `show w' and ` show c' should show the
appropriat e parts o f the Gene ral Pub lic Licens e. Of cour se, the
commands you use may be called som ething other than `show w' and
` s h o w c ' ; t he y co u ld ev en b e m ou s e- cl i ck s o r me nu i te ms - -w ha t ev er s ui ts
your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a " copyright disclaimer" for the program, if
necessary. Here is a sample; al ter the names:
Yoyodyne, Inc., here by disclaims all copyright interest in the program
`Gnomovision' (whic h makes passes at compilers) written by James
Hacker .
<signature of Ty Coon>, 1 April 1 989
Ty Coon, Pr esident of Vi ce
This General Public License does not permit inco rporating your program
into proprietary programs. If your program is a subroutin e library, you
may consider it more useful to permit linking proprietary applications
with the library. If this is what y ou want to do, use th e GNU Lesser Gene ral
Public License instead of this License.
EOF