GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <
http://fsf.org/>
Everyone
is permitted
to copy
and distribute verbatim copies
of this license document, but changing it
is not allowed.
Preamble
The GNU General Public License
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for
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of works.
The licenses
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By contrast,
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When we speak
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TERMS
AND CONDITIONS
0. Definitions.
"This License" refers
to version 3
of the GNU General Public License.
"Copyright" also means copyright-like laws that
apply to other kinds
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works, such as semiconductor masks.
"The Program" refers
to any copyrightable work licensed under this
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To "propagate" a work means
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permission, would make you directly
or secondarily liable
for
infringement under applicable copyright law, except executing it
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distribution (
with or without modification), making available
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The
Corresponding Source
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All rights granted under this License
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and are irrevocable provided the stated
conditions
are met. This License explicitly affirms your unlimited
permission
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You may make,
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or running the covered works
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' Legal Rights From Anti-Circumvention Law.
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When you convey a covered work, you waive
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with respect
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and you disclaim
any intention
to limit operation
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modification
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of enforcing, against the work
's
users, your
or third parties
' legal rights to forbid circumvention of
technological measures.
4. Conveying Verbatim Copies.
You may convey 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;
keep intact
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code;
keep intact
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recipients a copy
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5. Conveying Modified Source Versions.
You may convey a work based
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Program,
or the modifications
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it,
and giving a relevant
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b) The work must carry prominent notices stating that it
is
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to
"keep intact all notices".
c) You must license the entire work, as a whole, under this
License
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License will therefore
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A compilation
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is called an
"aggregate" if the compilation
and its resulting copyright
are not
used
to limit the
access or legal rights
of the compilation
's users
beyond what the individual works permit. Inclusion
of a covered work
in an aggregate does
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to apply to the
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of the aggregate.
6. Conveying Non-Source Forms.
You may convey a covered work
in object code form under the terms
of sections 4
and 5, provided that you
also convey the
machine-readable
Corresponding Source under the terms
of this License,
in one
of these ways:
a) Convey the
object code in,
or embodied
in, a physical product
(including a physical distribution medium), accompanied
by the
Corresponding Source fixed
on a durable physical medium
customarily used
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b) Convey the
object code in,
or embodied
in, a physical product
(including a physical distribution medium), accompanied
by a
written offer, valid
for at least three years
and valid
for as
long as you offer spare parts
or customer support
for that product
model,
to give anyone who possesses the
object code either (1) a
copy
of the
Corresponding Source
for all the software
in the
product that
is covered
by this License,
on a durable physical
medium customarily used
for software interchange,
for a price
no
more
than your reasonable cost
of physically performing this
conveying
of source,
or (2)
access to copy the
Corresponding Source
from a network server
at no charge.
c) Convey individual copies
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object code with a copy
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written offer
to provide the
Corresponding Source. This
alternative
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and noncommercially,
and
only
if you received the
object code with such an offer,
in accord
with subsection 6b.
d) Convey the
object code by offering
access from a designated
place (gratis
or for a charge),
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access to the
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same way
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same place
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Corresponding Source along
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object code.
If the place
to
copy the
object code is a network server, the
Corresponding Source
may be
on a different server (operated
by you
or a third party)
that supports equivalent copying facilities, provided you maintain
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object code saying where
to find the
Corresponding Source. Regardless
of what server hosts the
Corresponding Source, you remain obligated
to ensure that it
is
available
for as long as needed
to satisfy these requirements.
e) Convey the
object code using peer-to-peer transmission, provided
you inform
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object code and Corresponding
Source
of the work
are being offered
to the general public
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charge under subsection 6d.
A separable portion
of the
object code, whose source
code is excluded
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Corresponding Source as a System Library, need
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object code work.
A
"User Product" is either (1) a
"consumer product", which means
any
tangible personal property which
is normally used
for personal, family,
or household purposes,
or (2) anything designed
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into a dwelling.
In determining whether a product
is a consumer product,
doubtful cases shall be resolved
in favor
of coverage.
For a particular
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by a particular user,
"normally used" refers
to a
typical
or common use of that
class of product, regardless
of the
status
of the particular user
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in which the particular user
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or is expected
to use, the product. A product
is a consumer product regardless
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"Installation Information" for a User Product means
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Corresponding Source. The information must
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to ensure that the continued functioning
of the modified
object
code is in no case prevented
or interfered
with solely because
modification has been made.
If you convey an
object code work under this
section in,
or with,
or
specifically
for use in, a User Product,
and the conveying
occurs as
part
of a transaction
in which the
right of possession
and use of the
User Product
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The requirement
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Access to a
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Corresponding Source conveyed,
and Installation Information provided,
in accord
with this
section must be
in a
format that
is publicly
documented (
and with an implementation available
to the public
in
source
code form),
and must require
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password or key for
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7. Additional Terms.
"Additional permissions" are terms that supplement the terms
of this
License
by making exceptions
from one
or more
of its conditions.
Additional permissions that
are applicable
to the entire
Program shall
be treated as though they were included
in this License,
to the extent
that they
are valid under applicable law.
If additional permissions
apply only
to part
of the
Program, that part may be used separately
under those permissions, but the entire
Program remains governed
by
this License without regard
to the additional permissions.
When you convey a copy
of a covered work, you may
at your option
remove
any additional permissions
from that copy,
or from any part
of
it. (Additional permissions may be written
to require their own
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when you modify the work.) You may place
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by you
to a covered work,
for which you have
or can give appropriate copyright permission.
Notwithstanding
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of this License,
for material you
add to a covered work, you may (
if authorized
by the copyright holders
of
that material) supplement the terms
of this License
with terms:
a) Disclaiming warranty
or limiting liability differently
from the
terms
of sections 15
and 16
of this License;
or
b) Requiring preservation
of specified reasonable legal notices
or
author attributions
in that material
or in the Appropriate Legal
Notices displayed
by works containing it;
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by anyone who conveys the material (
or modified versions
of
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any liability that these contractual assumptions directly impose
on
those licensors
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All other non-permissive additional terms
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restrictions
" within the meaning of section 10. If the Program as you
received it,
or any part
of it,
contains a notice stating that it
is
governed
by this License along
with a term that
is a further
restriction, you may remove that term.
If a license document
contains
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License, you may
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Additional terms, permissive
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the above requirements
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8. Termination.
You may
not propagate
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provided under this License.
Any attempt otherwise
to propagate
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modify it
is void,
and will automatically terminate your rights under
this License (including
any patent licenses granted under the third
paragraph
of section 11).
However,
if you cease
all violation
of this License,
then your
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from a particular copyright holder
is reinstated (a)
provisionally, unless
and until the copyright holder explicitly
and
finally terminates your license,
and (b) permanently,
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holder fails
to notify you
of the violation
by some reasonable means
prior
to 60 days
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Moreover, your license
from a particular copyright holder
is
reinstated permanently
if the copyright holder notifies you
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violation
by some reasonable means, this
is the
first time you have
received notice
of violation
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for any work)
from that
copyright holder,
and you cure the violation prior
to 30 days
after
your receipt
of the notice.
Termination
of your rights under this
section does
not terminate the
licenses
of parties who have received copies
or rights
from you under
this License.
If your rights have been terminated
and not permanently
reinstated, you do
not qualify
to receive new licenses
for the
same
material under
section 10.
9. Acceptance
Not Required
for Having Copies.
You
are not required
to accept this License
in order to receive
or
run a copy
of the
Program. Ancillary propagation
of a covered work
occurring solely as a consequence
of using peer-to-peer transmission
to receive a copy likewise does
not require acceptance. However,
nothing
other than this License grants you permission
to propagate
or
modify
any covered work. These actions infringe copyright
if you do
not accept this License. Therefore,
by modifying
or propagating a
covered work, you indicate your acceptance
of this License
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10. Automatic Licensing
of Downstream Recipients.
Each
time you convey a covered work, the recipient automatically
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from the original licensors,
to run, modify
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propagate that work, subject
to this License. You
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An
"entity transaction" is a transaction transferring control
of an
organization,
or substantially
all assets
of one,
or subdividing an
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If propagation
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with reasonable efforts.
You may
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rights granted
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For example, you may
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Program or any portion
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A
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use under this
License
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Program or a work
on which the
Program is based. The
work thus licensed
is called the contributor
's "contributor version".
A contributor
's "essential patent claims" are all patent claims
owned
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not include claims that would be infringed only as a
consequence
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For
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Each contributor grants you a non-exclusive, worldwide, royalty-free
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In the following three paragraphs, a
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If you convey a covered work, knowingly relying
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Corresponding Source
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then you must either (1) cause the
Corresponding Source
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to deprive yourself
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in a manner
consistent
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to extend the patent
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"Knowingly relying" means you have
actual knowledge that, but
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covered work
in a country,
or your recipient
's use of the covered work
in a country, would infringe one
or more identifiable patents
in that
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are valid.
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with a single transaction
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by procuring conveyance
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A patent license
is "discriminatory" if it does
not include within
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of,
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conditioned
on the non-exercise
of one
or more
of the rights that
are
specifically granted under this License. You may
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work
if you
are a party
to an arrangement
with a third party that
is
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to the third party based
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to any of the
parties who would receive the covered work
from you, a discriminatory
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in connection
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from those copies),
or (b) primarily
for and in connection
with specific products
or compilations that
contain the covered work, unless you entered
into that arrangement,
or that patent license was granted, prior
to 28 March 2007.
Nothing
in this License shall be construed as excluding
or limiting
any implied license
or other defenses
to infringement that may
otherwise be available
to you under applicable patent law.
12.
No Surrender
of Others
' Freedom.
If 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 convey a
covered work so as
to satisfy simultaneously your obligations under this
License
and any other pertinent obligations,
then as a consequence you may
not convey it
at all.
For example,
if you agree
to terms that obligate you
to collect a royalty
for further conveying
from those
to whom you convey
the
Program, the only way you could satisfy both those terms
and this
License would be
to refrain entirely
from conveying the
Program.
13.
Use with the GNU Affero General Public License.
Notwithstanding
any other provision
of this License, you have
permission
to link
or combine
any covered work
with a work licensed
under version 3
of the GNU Affero General Public License
into a single
combined work,
and to convey the resulting work. The terms
of this
License will
continue to apply to the part which
is the covered work,
but the special requirements
of the GNU Affero General Public License,
section 13, concerning interaction
through a network will
apply to the
combination as such.
14. Revised Versions
of this License.
The Free Software Foundation may publish revised
and/
or new versions
of
the GNU 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 that a certain numbered version
of the GNU General
Public License
"or any later version" applies
to it, you have the
option
of following the terms
and conditions either
of that numbered
version
or of any later version published
by the Free Software
Foundation.
If the
Program does
not specify a version number
of the
GNU General Public License, you may choose
any version ever published
by the Free Software Foundation.
If the
Program specifies that a proxy can decide which future
versions
of the GNU General Public License can be used, that proxy
's
public statement
of acceptance
of a version permanently authorizes you
to choose that version
for the
Program.
Later license versions may give you additional
or different
permissions. However,
no additional obligations
are imposed
on any
author or copyright holder as a result
of your choosing
to follow a
later version.
15. Disclaimer
of Warranty.
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.
16. Limitation
of Liability.
IN NO EVENT UNLESS REQUIRED
BY APPLICABLE LAW
OR AGREED
TO IN WRITING
WILL
ANY COPYRIGHT HOLDER,
OR ANY OTHER PARTY WHO MODIFIES
AND/
OR CONVEYS
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.
17. Interpretation
of Sections 15
and 16.
If the disclaimer
of warranty
and limitation
of liability provided
above cannot be given local legal effect according
to their terms,
reviewing courts shall
apply local law that most closely approximates
an absolute waiver
of all civil liability
in connection
with the
Program, unless a warranty
or assumption
of liability accompanies a
copy
of the
Program in return for a fee.
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
state 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 3
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, see <
http://www.gnu.org/licenses/>.
Also add information
on how
to contact you
by electronic
and paper mail.
If the
program does terminal interaction, make it
output a short
notice like this
when it starts
in an interactive
mode:
<
program> Copyright (C) <year> <name
of author>
This
program 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, your
program's commands
might be different;
for a GUI interface, you would
use an
"about box".
You should
also get your employer (
if you work as a programmer)
or school,
if any,
to sign a
"copyright disclaimer" for the
program,
if necessary.
For more information
on this,
and how
to apply and follow the GNU GPL, see
<
http://www.gnu.org/licenses/>.
The GNU 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. But
first, please
read
<
http://www.gnu.org/philosophy/why-not-lgpl.html>.
