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   derived from the Public Domain or from the Copyright Holder.  A
   Package modified in such a way shall still be considered the
   Standard Version.

3. You may otherwise modify your copy of this Package in any way,
   provided that you insert a prominent notice in each changed file
   stating how and when you changed that file, and provided that you
   do at least ONE of the following:

   a) place your modifications in the Public Domain or otherwise make
      them Freely Available, such as by posting said modifications to
      Usenet or an equivalent medium, or placing the modifications on
      a major archive site such as uunet.uu.net, or by allowing the
      Copyright Holder to include your modifications in the Standard
      Version of the Package.

   b) use the modified Package only within your corporation or
      organization.

   c) rename any non-standard executables so the names do not conflict
      with standard executables, which must also be provided, and