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
favor of coverage. For a particular product received 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 or of the way in which the
particular user actually uses, or expects or is expected
to use, the product. A product is a consumer product
regardless of whether the product has substantial
commercial, industrial or non-consumer uses, unless
such uses represent the only significant mode of use of
the product.
“Installation Information” for a User Product means
any methods, procedures, authorization keys, or other
information required to install and execute modified versions
of a covered work in that User Product from a modified
version of its Corresponding Source. The information must
suffice 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,
