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, 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 is transferred to the recipient in 

perpetuity or for a fixed 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 modified object code on the User Product (for example, the work has been installed in 

ROM).

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2009-6-10   18:35:24