User guide
43
English
5. Conveying Modied Source Versions.
You may convey a work based on the Program, or the
modications 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
modied 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 modies 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
independentworks, 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 xed 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 nd 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 representthe only
signicant 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 modied versions of a covered
work in that User Product from a modied version of its
Corresponding Source. The information must sufce to ensure
that the continued functioning of the modied object code
is in no case prevented or interfered with solely because
modication has been made.
If you convey an object code work under this section in,
or with, or specically 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 is transferred to the
recipient in perpetuity or for a xed term (regardless of how
the transaction is characterized), the Corresponding Source
conveyed under this section must be accompanied by the
Installation Information. But this requirement does not apply
if neither you nor any third party retains the ability to install
modied object code on the User Product (for example, the
work has been installed in ROM).
The requirement to provide Installation Information does not
include a requirement to continue to provide support service,
warranty, or updates for a work that has been modied or
installed by the recipient, or for the User Product in which it
has been modied or installed. Access to a network may be
denied when the modication itself materially and adversely
affects the operation of the network or violates the rules and
protocols for communication across the network.
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 no special
password or key for unpacking, reading or copying.
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