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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
The GNU General Public License (GPL) Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
Version 2, June 1991 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.
Copyright (C) 1989, 1991 Free Software Foundation, Inc. Preamble
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 Lesser General Public License instead.) You can apply it to
your programs, too.
The licenses for most software are designed to take away your freedom to When we speak of free software, we are referring to freedom, not
share and change it. By contrast, the GNU General Public License is price. Our General Public Licenses are designed to make sure that you
intended to guarantee your freedom to share and change free software--to have the freedom to distribute copies of free software (and charge for
make sure the software is free for all its users. This General Public this service if you wish), that you receive source code or can get it
License applies to most of the Free Software Foundation's software and to if you want it, that you can change the software or use pieces of it
any other program whose authors commit to using it. (Some other Free in new free programs; and that you know you can do these things.
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. To protect your rights, we need to make restrictions that forbid
Our General Public Licenses are designed to make sure that you have the anyone to deny you these rights or to ask you to surrender the rights.
freedom to distribute copies of free software (and charge for this service These restrictions translate to certain responsibilities for you if you
if you wish), that you receive source code or can get it if you want it, distribute copies of the software, or if you modify 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 For example, if you distribute copies of such a program, whether
deny you these rights or to ask you to surrender the rights. These gratis or for a fee, you must give the recipients all the rights that
restrictions translate to certain responsibilities for you if you you have. You must make sure that they, too, receive or can get the
distribute copies of the software, or if you modify it. source code. And you must show them these terms so they know their
rights.
For example, if you distribute copies of such a program, whether gratis or We protect your rights with two steps: (1) copyright the software, and
for a fee, you must give the recipients all the rights that you have. You (2) offer you this license which gives you legal permission to copy,
must make sure that they, too, receive or can get the source code. And you distribute and/or modify the software.
must show them these terms so they know their rights.
We protect your rights with two steps: (1) copyright the software, and (2) Also, for each author's protection and ours, we want to make certain
offer you this license which gives you legal permission to copy, that everyone understands that there is no warranty for this free
distribute and/or modify the software. 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.
Also, for each author's protection and ours, we want to make certain that Finally, any free program is threatened constantly by software
everyone understands that there is no warranty for this free software. If patents. We wish to avoid the danger that redistributors of a free
the software is modified by someone else and passed on, we want its program will individually obtain patent licenses, in effect making the
recipients to know that what they have is not the original, so that any program proprietary. To prevent this, we have made it clear that any
problems introduced by others will not reflect on the original authors' patent must be licensed for everyone's free use or not licensed at all.
reputations.
Finally, any free program is threatened constantly by software patents. We The precise terms and conditions for copying, distribution and
wish to avoid the danger that redistributors of a free program will modification follow.
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 GNU GENERAL PUBLIC LICENSE
modification follow. TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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".
0. This License applies to any program or other work which contains a Activities other than copying, distribution and modification are not
notice placed by the copyright holder saying it may be distributed under covered by this License; they are outside its scope. The act of
the terms of this General Public License. The "Program", below, refers to running the Program is not restricted, and the output from the Program
any such program or work, and a "work based on the Program" means either is covered only if its contents constitute a work based on the
the Program or any derivative work under copyright law: that is to say, a Program (independent of having been made by running the Program).
work containing the Program or a portion of it, either verbatim or with Whether that is true depends on what the Program does.
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 1. You may copy and distribute verbatim copies of the Program's
covered by this License; they are outside its scope. The act of running source code as you receive it, in any medium, provided that you
the Program is not restricted, and the output from the Program is covered conspicuously and appropriately publish on each copy an appropriate
only if its contents constitute a work based on the Program (independent copyright notice and disclaimer of warranty; keep intact all the
of having been made by running the Program). Whether that is true depends notices that refer to this License and to the absence of any warranty;
on what the Program does. and give any other recipients of the Program a copy of this License
along with the Program.
1. You may copy and distribute verbatim copies of the Program's source You may charge a fee for the physical act of transferring a copy, and
code as you receive it, in any medium, provided that you conspicuously and you may at your option offer warranty protection in exchange for a fee.
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 2. You may modify your copy or copies of the Program or any portion
may at your option offer warranty protection in exchange for a fee. 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:
2. You may modify your copy or copies of the Program or any portion of it, a) You must cause the modified files to carry prominent notices
thus forming a work based on the Program, and copy and distribute such stating that you changed the files and the date of any change.
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 b) You must cause any work that you distribute or publish, that in
that you changed the files and the date of any change. 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.
b) You must cause any work that you distribute or publish, that in whole c) If the modified program normally reads commands interactively
or in part contains or is derived from the Program or any part thereof, when run, you must cause it, when started running for such
to be licensed as a whole at no charge to all third parties under the interactive use in the most ordinary way, to print or display an
terms of this License. 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.)
c) If the modified program normally reads commands interactively when These requirements apply to the modified work as a whole. If
run, you must cause it, when started running for such interactive use in identifiable sections of that work are not derived from the Program,
the most ordinary way, to print or display an announcement including an and can be reasonably considered independent and separate works in
appropriate copyright notice and a notice that there is no warranty (or themselves, then this License, and its terms, do not apply to those
else, saying that you provide a warranty) and that users may sections when you distribute them as separate works. But when you
redistribute the program under these conditions, and telling the user distribute the same sections as part of a whole which is a work based
how to view a copy of this License. (Exception: if the Program itself is on the Program, the distribution of the whole must be on the terms of
interactive but does not normally print such an announcement, your work this License, whose permissions for other licensees extend to the
based on the Program is not required to print an announcement.) entire whole, and thus to each and every part regardless of who wrote it.
These requirements apply to the modified work as a whole. If identifiable Thus, it is not the intent of this section to claim rights or contest
sections of that work are not derived from the Program, and can be your rights to work written entirely by you; rather, the intent is to
reasonably considered independent and separate works in themselves, then exercise the right to control the distribution of derivative or
this License, and its terms, do not apply to those sections when you collective works based on the Program.
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 In addition, mere aggregation of another work not based on the Program
rights to work written entirely by you; rather, the intent is to exercise with the Program (or with a work based on the Program) on a volume of
the right to control the distribution of derivative or collective works a storage or distribution medium does not bring the other work under
based on the Program. the scope of this License.
In addition, mere aggregation of another work not based on the Program 3. You may copy and distribute the Program (or a work based on it,
with the Program (or with a work based on the Program) on a volume of a under Section 2) in object code or executable form under the terms of
storage or distribution medium does not bring the other work under the Sections 1 and 2 above provided that you also do one of the following:
scope of this License.
3. You may copy and distribute the Program (or a work based on it, under a) Accompany it with the complete corresponding machine-readable
Section 2) in object code or executable form under the terms of Sections 1 source code, which must be distributed under the terms of Sections
and 2 above provided that you also do one of the following: 1 and 2 above on a medium customarily used for software interchange; or,
a) Accompany it with the complete corresponding machine-readable source b) Accompany it with a written offer, valid for at least three
code, which must be distributed under the terms of Sections 1 and 2 years, to give any third party, for a charge no more than your
above on a medium customarily used for software interchange; or, 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,
b) Accompany it with a written offer, valid for at least three years, to c) Accompany it with the information you received as to the offer
give any third party, for a charge no more than your cost of physically to distribute corresponding source code. (This alternative is
performing source distribution, a complete machine-readable copy of the allowed only for noncommercial distribution and only if you
corresponding source code, to be distributed under the terms of Sections received the program in object code or executable form with such
1 and 2 above on a medium customarily used for software interchange; or, an offer, in accord with Subsection b above.)
c) Accompany it with the information you received as to the offer to The source code for a work means the preferred form of the work for
distribute corresponding source code. (This alternative is allowed only making modifications to it. For an executable work, complete source
for noncommercial distribution and only if you received the program in code means all the source code for all modules it contains, plus any
object code or executable form with such an offer, in accord with associated interface definition files, plus the scripts used to
Subsection b above.) 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.
The source code for a work means the preferred form of the work for making If distribution of executable or object code is made by offering
modifications to it. For an executable work, complete source code means access to copy from a designated place, then offering equivalent
all the source code for all modules it contains, plus any associated access to copy the source code from the same place counts as
interface definition files, plus the scripts used to control compilation distribution of the source code, even though third parties are not
and installation of the executable. However, as a special exception, the compelled to copy the source along with the object code.
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 4. You may not copy, modify, sublicense, or distribute the Program
copy from a designated place, then offering equivalent access to copy the except as expressly provided under this License. Any attempt
source code from the same place counts as distribution of the source code, otherwise to copy, modify, sublicense or distribute the Program is
even though third parties are not compelled to copy the source along with void, and will automatically terminate your rights under this License.
the object code. 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.
4. You may not copy, modify, sublicense, or distribute the Program except 5. You are not required to accept this License, since you have not
as expressly provided under this License. Any attempt otherwise to copy, signed it. However, nothing else grants you permission to modify or
modify, sublicense or distribute the Program is void, and will distribute the Program or its derivative works. These actions are
automatically terminate your rights under this License. However, parties prohibited by law if you do not accept this License. Therefore, by
who have received copies, or rights, from you under this License will not modifying or distributing the Program (or any work based on the
have their licenses terminated so long as such parties remain in full Program), you indicate your acceptance of this License to do so, and
compliance. all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
5. You are not required to accept this License, since you have not signed 6. Each time you redistribute the Program (or any work based on the
it. However, nothing else grants you permission to modify or distribute Program), the recipient automatically receives a license from the
the Program or its derivative works. These actions are prohibited by law original licensor to copy, distribute or modify the Program subject to
if you do not accept this License. Therefore, by modifying or distributing these terms and conditions. You may not impose any further
the Program (or any work based on the Program), you indicate your restrictions on the recipients' exercise of the rights granted herein.
acceptance of this License to do so, and all its terms and conditions for You are not responsible for enforcing compliance by third parties to
copying, distributing or modifying the Program or works based on it. this License.
6. Each time you redistribute the Program (or any work based on the 7. If, as a consequence of a court judgment or allegation of patent
Program), the recipient automatically receives a license from the original infringement or for any other reason (not limited to patent issues),
licensor to copy, distribute or modify the Program subject to these terms conditions are imposed on you (whether by court order, agreement or
and conditions. You may not impose any further restrictions on the otherwise) that contradict the conditions of this License, they do not
recipients' exercise of the rights granted herein. You are not responsible excuse you from the conditions of this License. If you cannot
for enforcing compliance by third parties to this License. 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.
7. If, as a consequence of a court judgment or allegation of patent If any portion of this section is held invalid or unenforceable under
infringement or for any other reason (not limited to patent issues), any particular circumstance, the balance of the section is intended to
conditions are imposed on you (whether by court order, agreement or apply and the section as a whole is intended to apply in other
otherwise) that contradict the conditions of this License, they do not circumstances.
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 It is not the purpose of this section to induce you to infringe any
particular circumstance, the balance of the section is intended to apply patents or other property right claims or to contest validity of any
and the section as a whole is intended to apply in other circumstances. 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.
It is not the purpose of this section to induce you to infringe any This section is intended to make thoroughly clear what is believed to
patents or other property right claims or to contest validity of any such be a consequence of the rest of this License.
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 8. If the distribution and/or use of the Program is restricted in
consequence of the rest of this License. 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.
8. If the distribution and/or use of the Program is restricted in certain 9. The Free Software Foundation may publish revised and/or new versions
countries either by patents or by copyrighted interfaces, the original of the General Public License from time to time. Such new versions will
copyright holder who places the Program under this License may add an be similar in spirit to the present version, but may differ in detail to
explicit geographical distribution limitation excluding those countries, address new problems or concerns.
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 Each version is given a distinguishing version number. If the Program
the General Public License from time to time. Such new versions will be specifies a version number of this License which applies to it and "any
similar in spirit to the present version, but may differ in detail to later version", you have the option of following the terms and conditions
address new problems or concerns. 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.
Each version is given a distinguishing version number. If the Program 10. If you wish to incorporate parts of the Program into other free
specifies a version number of this License which applies to it and "any programs whose distribution conditions are different, write to the author
later version", you have the option of following the terms and conditions to ask for permission. For software which is copyrighted by the Free
either of that version or of any later version published by the Free Software Foundation, write to the Free Software Foundation; we sometimes
Software Foundation. If the Program does not specify a version number of make exceptions for this. Our decision will be guided by the two goals
this License, you may choose any version ever published by the Free of preserving the free status of all derivatives of our free software and
Software Foundation. of promoting the sharing and reuse of software generally.
10. If you wish to incorporate parts of the Program into other free NO WARRANTY
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.
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
REPAIR OR CORRECTION. POSSIBILITY OF SUCH DAMAGES.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING END OF TERMS AND CONDITIONS
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.,
51 Franklin 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:
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 Lesser General
Public License instead of this License.