or among countries not t hus excluded. In such case, thi s License incorporat es the limitation as if wr itten in
the body of this Lic ense.
9. The Free Software Foundat ion may publish revised and/or new versions of t he General Public Lic ense from
time to time. Such new versi ons will be similar in spirit to the present ve rsion, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program specifies a ver sion number of this
License which applies to it and “any later version”, you hav e the option of fol lowing the terms a nd conditions
either of that versi on or of any later version pub lished by the Free Software Foundati on. 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 incorpor ate parts of the Program into o ther free programs whose distr ibution conditions are
different, writ e to the author to ask for permissi on. For software which is c opyrighted by the Free Software
Foundation, write to t he Free Software Foundation; we someti mes make exceptions for this. Our decision
will be guided by the two goal s of preserving the free s tatus of all derivative s of our free software and of
promoting the sharing and re use of software generally.
NO WARRANTY
11.
BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FO R 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 OTH ER
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 possibl e use to the public, the best way to
achieve this is to make i t free software which everyone can r edistribute and change under these t erms.
To do so, attach the f ollowing notices to the progr am. It is safest to attach t hem to the start of each source fi le
to most effectivel y convey the exclusion of warranty; and each file should have at l east the “copyright” l ine 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 © <year> <n ame of author>
This program is free soft ware; you can redistribute i t and/or modify it under t he terms of the GNU General
Public License as publis hed by the Free Software Foundation; either version 2 of the Licens e, or (at your
option) any later version.
This program is distr ibuted 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 receiv ed a copy of the GNU General Public License along wit h this program; if not, wr ite to
the Free Software Foundati on, Inc., 51 Franklin Stre et, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic an d paper mail.
If the program is in teractive, make it out put a short notice like t his when it starts in an i nteractive mode:
Gnomovision version 69, Copyright © year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details t ype ‘show w’. This is free software,
and you are welcome to redi stribute it under cert ain conditions; type ‘show c’ for details.
The hypothetical commands ‘sho w w’ and ‘show c’ should show the appropri ate parts of the General Publi c
License. Of course, the c ommands 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 pr ogram.
You should also get your employe r (if you work as a programmer) or your scho ol, if any, to sign a “copyr ight
disclaimer” fo r the program, if necess ary. Here is a sample; al ter the names:
Yoyodyne, Inc., hereby di sclaims all copyright int erest in the program ‘Gnomovision’ (which makes passes
at compilers) written by J ames Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incor porating your program into pr oprietary programs. If your
program is a subrouti ne library, you may consider it more useful to permit linking proprietary appl ications with
the library. If this is what you want to do, use the GNU Lesser General Public License ins tead of this License.
GNU LESSER GENERAL PUBLIC LICEN SE
Version 2.1, February 1999
Copyright © 1991, 1999 F ree Software Foundation, Inc.
51 Franklin Street, Fi fth Floor, Boston, MA 02110-1 301 USA
Everyone is permitt ed to copy and distribute ver batim copies of this li cense document, but changing i t is not
allowed.
[This is the first rel eased version of the Lesser GPL. It also coun ts as the successor of the GNU Library Publi c
License, version 2, hence the version number 2.1.]
Preamble
The licenses for most software are designed to take away your freedom to share and change it. By contrast,
the GNU General Public Licenses are intended to guarant ee your freedom to share and change free software
- to make sure the softwar e is free for all its users. This license, the Lesser Gen eral Public License, appli es to
some specially des ignated software packages - typically librar ies - of the Fre e Software Foundation and ot her
authors who decide to use it. You can use it too, but we s uggest you first think caref ully about whether this
license or the or dinary General Public Lic ense is the better strat egy to use in any parti cular case, based on the
explanations below.
When we speak of free software, we are referring to freedom of use, no t price. Our General Pub lic Licenses are
designed to make sure that you have the freedom to dist ribute copies of free soft ware (and charge for this
service if you wish); that you recei ve source code or can get it if you want it; that you can change the software
and use pieces of it in new f ree programs; and that you are info rmed that you can do these things.
To protect your ri ghts, we need to make restrict ions that forbid dist ributors to deny you t hese rights or to ask
you to surrender thes e rights. These restri ctions translate to cer tain responsibilit ies for you if you distri bute
copies of the librar y or if you modify it.
For example, if you di stribute copies of th e library, whether grat is or for a fee, you must giv e the recipients all
the rights that we gave you. You must make sure that they, t oo, receive or can ge t the source code. I f you link
other code with the library, you must provide complete object f iles to the recipient s, so that they can r elink them
with the libra ry after making changes to the li brary and recompiling i t. And you must show them these terms so
they know their right s. We protect your rights with a t wo-step method: (1) we copyright t he library, and (2) we
offer you this l icense, which gives you legal permission to copy, di stribute and/or modify the library.
To protect each dist ributor, we want to make it ve ry clear that there is no warranty for the free l ibrary. Also, if
the library is modifi ed by someone else and passed on, the reci pients should know that what they have i s not
the original ver sion, so that the origi nal author’s reputation will not be affected by problems th at might be
introduced by others.
Finally, software p atents pose a constant threat to the existence of any free progr am. We wish to make sure
that a company cannot effect ively restrict the users of a free program by obtai ning a restrictive license f rom a
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