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2. Basic permissions.
All rights granted under this License are granted for the term
of copyright on the Program, and are irrevocable provided
the stated conditions are met. This License explicitly affirms
your unlimited permission to run the unmodified Program.
The output from running a covered work is covered by this
License only if the output, given its content, constitutes a
covered work. This License acknowledges your rights of fair
use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you
do not convey, without conditions so long as your license
otherwise remains in force. You may convey covered works to
others for the sole purpose of having them make modifications
exclusively for you, or provide you with facilities for running
those works, provided that you comply with the terms of this
License in conveying all material for which you do not control
copyright. Those thus making or running the covered works for
you must do so exclusively on your behalf, under your direction
and control, on terms that prohibit them from making any
copies of your copyrighted material outside their relationship
with you. Conveying under any other circumstances
is permitted solely under the conditions stated below.
Sublicensing is not allowed; section 10 makes it unnecessary.
3. protecting users' legal rights From anti-
circumvention law.
No covered work shall be deemed part of an effective
technological measure under any applicable law fulfilling
obligations under article 11 of the WIPO copyright treaty
adopted on 20 December 1996, or similar laws prohibiting or
restricting circumvention of such measures.
When you convey a covered work, you waive any legal
power to forbid circumvention of technological measures to
the extent such circumvention is effected by exercising rights
under this License with respect to the covered work, and
you disclaim any intention to limit operation or modification of
the work as a means 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 all notices stating
that this License and any non-permissive terms added
in accord with section 7 apply to the code; keep intact
all notices of the absence of any warranty; and give all
recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you
convey, and you may offer support or warranty protection
for a fee.
5. conveying modified source versions.
You may convey a work based on the Program, or the
modifications to produce it from the Program, in the form of
source code under the terms of section 4, provided that you
also meet all of these conditions:
a) The work must carry prominent notices stating that you
modified it, and giving a relevant date.
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 notices".
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 works, which are not
by their nature extensions of the covered work, and
which are not combined with it such as to form a larger
program, in or on a volume of a storage or distribution
medium, 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 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 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 for software
interchange.
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 of the object code with a
copy of the written offer to provide the corresponding
Source. This alternative is allowed only occasionally 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), and offer
equivalent access to the Corresponding Source in
the same way through the same place at no further
charge. You need not require recipients to copy the
Corresponding Source along with the 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 clear
directions next to the 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 other peers where
the object code and Corresponding Source of the
work are being offered to the general public at no
charge under subsection 6d. A separable portion of
the object code, whose source code is excluded from
the Corresponding Source as a System Library, need
not be included in conveying the 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 or sold for incorporation into
a dwelling. In determining whether a product is a
consumer product, doubtful cases shall be resolved in
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