This is the standard component of all GNU licenced software

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                  GNU GENERAL PUBLIC LICENSE
                     Version 2, June 1991

   Copyright (C) 1989, 1991 Free Software Foundation, Inc.
            675 Mass Ave, Cambridge, MA 02139, USA
 
Everyone is permitted  to copy and distribute  verbatim copies of
this license document, but changing it is not allowed.

Preamble

  The licenses for  most software are designed to  take away your
freedom  to share  and change  it. By  contrast, the  GNU General
Public License is intended to guarantee your freedom to share and
change free software--to  make sure the software is  free for all
its users.  This General  Public License applies  to most  of the
Free  Software Foundation's  software  and to  any other  program
whose  authors commit  to  using it.  (Some  other Free  Software
Foundation software is covered by  the GNU Library General Public
License instead.) You can apply it to your programs, too.

  When we  speak of free  software, we are referring  to freedom,
not price. Our General Public  Licenses are designed to make sure
that you have  the freedom to distribute copies  of free software
(and  charge for  this service  if  you wish),  that you  receive
source code or can get it if you want it, that you can change the
software or use  pieces of it in new free  programs; and that you
know you can do these things.

  To  protect your  rights,  we need  to  make restrictions  that
forbid  anyone  to  deny  you  these rights  or  to  ask  you  to
surrender  the rights.  These restrictions  translate to  certain
responsibilities  for  you  if   you  distribute  copies  of  the
software, or if you modify it.

  For  example,  if you  distribute  copies  of such  a  program,
whether gratis or for a fee, you must give the recipients all the
rights that you have. You must  make sure that they, too, receive
or can get the source code. And you must show them these terms so
they know their rights.

  We  protect  your rights  with  two  steps: (1)  copyright  the
software, and  (2) offer you  this license which gives  you legal
permission to copy, distribute and/or modify the software.

  Also, for  each author's protection  and ours, we want  to make
certain that everyone  understands that there is  no warranty for
this free software.  If the software is modified  by someone else
and passed on, we want its recipients to know that what they have
is not  the original, so  that any problems introduced  by others
will not reflect on the original authors' reputations.

  Finally, any free program  is threatened constantly by software
patents. We  wish to  avoid the danger  that redistributors  of a
free program will individually  obtain patent licenses, in effect
making the program proprietary. To  prevent this, we have made it
clear that any patent must be licensed for everyone's free use or
not licensed at all.

  The precise terms and  conditions for copying, distribution and
modification follow.

   GNU  GENERAL  PUBLIC  LICENSE   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.

       END OF TERMS AND CONDITIONS

 Appendix: 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 redistribute and
change under these terms.

  To do  so, attach the following  notices 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 "copyright"  line and a pointer to where
the full notice is found.

    <one line  to give the  program's name  and a brief  idea of>
    what it does. Copyright (C) 19yy <name of author            >

    This program is free software; you can redistribute it and/or
    modify it under  the 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 in  the  hope that  it will  be
    useful, but  WITHOUT ANY  WARRANTY; without even  the implied
    warranty  of  MERCHANTABILITY  or FITNESS  FOR  A  PARTICULAR
    PURPOSE. See the GNU General Public License for more details.

    You should  have received  a copy of  the GNU  General Public
    License along  with this program;  if not, write to  the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
    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:

    Gnomovision  version 69,  Copyright (C)  19yy name  of author
    Gnomovision comes  with ABSOLUTELY  NO WARRANTY;  for details
    type `show w'. This is free  software, and you are welcome to
    redistribute it  under certain conditions; type  `show c' for
    details.

The hypothetical commands  `show w' and `show c'  should show the
appropriate parts 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 school, if any, to  sign a "copyright disclaimer" for the
program, if necessary. Here is a sample; alter the names:

  Yoyodyne, Inc., hereby disclaims  all copyright interest in the
  program `Gnomovision' (which makes passes at compilers) written
  by James Hacker.

  <signature of Ty Coon>, 1 April 1989 Ty Coon, President of Vice

This  General  Public  License   does  not  permit  incorporating
your  program into  proprietary programs.  If your  program is  a
subroutine library,  you may  consider it  more useful  to permit
linking  proprietary applications  with the  library. If  this is
what you want  to do, use the GNU Library  General Public License
instead of this License.

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