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"This software program is licensed subject to the GNU General Public License

(GPL). Version 2, June 1991, available at

"

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.

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 an idea of what it does.

Copyright (C) yyyy  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.