GNU GENERAL PUBLIC LICENSE

Version 2, June 1991

Copyright (C) 1989, 1991 Free Software Foundation, Inc.

51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 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 Lesser 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

======================================================================

The Artistic License

August 15, 1997

Preamble

The intent of this document is to state the conditions under which a

Package may be copied, such that the Copyright Holder maintains some

semblance of artistic control over the development of the package,

while giving the users of the package the right to use and distribute

the Package in a more-or-less customary fashion, plus the right to make

reasonable modifications.

Definitions

    "Package" refers to the collection of files distributed by the

    Copyright Holder, and derivatives of that collection of files created

    through textual modification.

    "Standard Version" refers to such a Package if it has not been

    modified, or has been modified in accordance with the wishes of the

    Copyright Holder as specified below.

    "Copyright Holder" is whoever is named in the copyright or copyrights

    for the package.

    "You" is you, if you're thinking about copying or distributing

    this Package.

    "Reasonable copying fee" is whatever you can justify on the basis

    of media cost, duplication charges, time of people involved, and so

    on. (You will not be required to justify it to the Copyright Holder,

    but only to the computing community at large as a market that must

    bear the fee.)

    "Freely Available" means that no fee is charged for the item itself,

    though there may be fees involved in handling the item. It also

    means that recipients of the item may redistribute it under the same

    conditions they received it.

   1. You may make and give away verbatim copies of the source form of the

   Standard Version of this Package without restriction, provided that

   you duplicate all of the original copyright notices and associated

   disclaimers.

   2. You may apply bug fixes, portability fixes and other modifications

   derived from the Public Domain or from the Copyright Holder. A Package

   modified in such a way shall still be considered the Standard Version.

   3. You may otherwise modify your copy of this Package in any way,

   provided that you insert a prominent notice in each changed file

   stating how and when you changed that file, and provided that you do

   at least ONE of the following:

         1. place your modifications in the Public Domain or otherwise

         make them Freely Available, such as by posting said modifications

         to Usenet or an equivalent medium, or placing the modifications

         on a major archive site such as uunet.uu.net, or by allowing the

         Copyright Holder to include your modifications in the Standard

         Version of the Package.

         2. use the modified Package only within your corporation or

         organization.

         3. rename any non-standard executables so the names do not

         conflict with standard executables, which must also be provided,

         and provide a separate manual page for each non-standard

         executable that clearly documents how it differs from the

         Standard Version.

         4. make other distribution arrangements with the Copyright

         Holder.

   4. You may distribute the programs of this Package in object code or

   executable form, provided that you do at least ONE of the following:

         1. distribute a Standard Version of the executables and library

         files, together with instructions (in the manual page or

         equivalent) on where to get the Standard Version.

         2. accompany the distribution with the machine-readable source

         of the Package with your modifications.

         3. give non-standard executables non-standard names, and clearly

         document the differences in manual pages (or equivalent),

         together with instructions on where to get the Standard Version.

         4. make other distribution arrangements with the Copyright

         Holder.

   5. You may charge a reasonable copying fee for any distribution of

   this Package. You may charge any fee you choose for support of this

   Package. You may not charge a fee for this Package itself. However,

   you may distribute this Package in aggregate with other (possibly

   commercial) programs as part of a larger (possibly commercial)

   software distribution provided that you do not advertise this Package

   as a product of your own. You may embed this Package's interpreter

   within an executable of yours (by linking); this shall be construed

   as a mere form of aggregation, provided that the complete Standard

   Version of the interpreter is so embedded.

   6. The scripts and library files supplied as input to or produced as

   output from the programs of this Package do not automatically fall

   under the copyright of this Package, but belong to whomever generated

   them, and may be sold commercially, and may be aggregated with this

   Package. If such scripts or library files are aggregated with this

   Package via the so-called "undump" or "unexec" methods of producing

   a binary executable image, then distribution of such an image shall

   neither be construed as a distribution of this Package nor shall it

   fall under the restrictions of Paragraphs 3 and 4, provided that you

   do not represent such an executable image as a Standard Version of

   this Package.

   7. C subroutines (or comparably compiled subroutines in other

   languages) supplied by you and linked into this Package in order to

   emulate subroutines and variables of the language defined by this

   Package shall not be considered part of this Package, but are the

   equivalent of input as in Paragraph 6, provided these subroutines do

   not change the language in any way that would cause it to fail the

   regression tests for the language.

   8. Aggregation of this Package with a commercial distribution is always

   permitted provided that the use of this Package is embedded; that

   is, when no overt attempt is made to make this Package's interfaces

   visible to the end user of the commercial distribution. Such use

   shall not be construed as a distribution of this Package.

   9. The name of the Copyright Holder may not be used to endorse or

   promote products derived from this software without specific prior

   written permission.

  10. THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED

  WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF

  MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.

The End