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necessary.  Here is a sample; alter the names:

   495

   496

  Yoyodyne, Inc., hereby disclaims all copyright interest in the

   497

  library `Frob' (a library for tweaking knobs) written by James Random Hacker.

   498

   499

  <signature of Ty Coon>, 1 April 1990

   500

  Ty Coon, President of Vice

   501

   502

That's all there is to it!