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  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
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  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