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b) The work must carry prominent notices stating that it is released
under this License and any conditions added under section 7. This
requirement modifies the requirement in section 4 to "keep intact all
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c) You must license the entire work, as a whole, under this License to
anyone who comes into possession of a copy. This License will
therefore apply, along with any applicable section 7 additional terms,
to the whole of the work, and all its parts, regardless of how they are
packaged. This License gives no permission to license the work in
any other way, but it does not invalidate such permission if you have
separately received it.
d) If the work has interactive user interfaces, each must display
Appropriate Legal Notices; however, if the Program has interactive
interfaces that do not display Appropriate Legal Notices, your work
need not make them do so.
A compilation of a covered work with other separate and independent
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access or legal rights of the compilation's users beyond what the
individual works permit. Inclusion of a covered work in an aggregate
does not cause this License to apply to the other parts 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
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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 for software interchange.
b) Convey the object code in, or embodied in, a physical product
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offer, valid for at least three years and valid for as long as you offer
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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
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e) Convey the object code using peer-to-peer transmission, provided
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A separable portion of the object code, whose source code is excluded
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A "User Product" is either (1) a "consumer product", which means any
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"Installation Information" for a User Product means any methods,
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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
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The requirement to provide Installation Information does not include a
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7. additional terms.
"Additional permissions" are terms that supplement the terms of this
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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
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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.
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Notwithstanding any other provision of this License, for material you add
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All other non-permissive additional terms are considered "further
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
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remove that term. If a license document contains a further restriction but
permits relicensing or conveying under this License, you may add to a
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Additional terms, permissive or non-permissive, may be stated in the
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8. termination.
You may not propagate or modify a covered work except as expressly
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However, if you cease all violation of this License, then your license from
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Moreover, your license from a particular copyright holder is reinstated
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Termination of your rights under this section does not terminate the
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this License. If your rights have been terminated and not permanently
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9. acceptance not required for Having copies.
You are not required to accept this License in order to receive or run a
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this License grants you permission to propagate or modify any covered
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10. automatic licensing of downstream recipients.
Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
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An "entity transaction" is a transaction transferring control of an
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results from an entity transaction, each party to that transaction who
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can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the rights
granted or affirmed under this License. For example, you may not
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11. patents.
A "contributor" is a copyright holder who authorizes use under this
License of the 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 or
controlled by the contributor, whether already acquired or hereafter
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Each contributor grants you a non-exclusive, worldwide, royalty-free
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In the following three paragraphs, a "patent license" is any express
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a patent against the party.
If you convey a covered work, knowingly relying on a patent license, and
the Corresponding Source of the work is not available for anyone to
copy, free of charge and under the terms of this License, through a
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you must either (1) cause the Corresponding Source to be so available,
or (2) arrange to deprive yourself of the benefit of the patent license for
this particular work, or (3) arrange, in a manner consistent with the
requirements of this License, to extend the patent license to downstream
recipients. "Knowingly relying" means you have actual knowledge that,
but for the patent license, your conveying the 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 country that you have reason to
believe are valid.
If, pursuant to or in connection with a single transaction or arrangement,
you convey, or propagate by procuring conveyance of, a covered work,
and grant a patent license to some of the parties receiving the covered
work authorizing them to use, propagate, modify or convey a specific
copy of the covered work, then the patent license you grant is
automatically extended to all recipients of the covered work and works
based on it.
A patent license is "discriminatory" if it does not include within the scope
of its coverage, prohibits the exercise of, or is conditioned on the
non-exercise of one or more of the rights that are specifically granted
under this License. You may not convey a covered work if you are a party
to an arrangement with a third party that is in the business of distributing
software, under which you make payment to the third party based on the
extent of your activity of conveying the work, and under which the third
party grants, to any of the parties who would receive the covered work
from you, a discriminatory patent license (a) in connection with copies of
the covered work conveyed by you (or copies made 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
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