		    GNU GENERAL PUBLIC LICENSE
		       Version 2, June 1991

 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
               59 Temple Place, Suite 330, Boston, MA  02111-1307  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

	    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) <year>  <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.,   59  Temple  Place,  Suite   330,  Boston,  MA
    02111-1307 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) year 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.
