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I C. Stuart Hardwick, the author of this work, release it to the public domain, waiving all rights of copyright in it irrevocably.

In the event that release to the public domain is not legally possible or effective, I hereby authorize anyone to use it for any purpose, and to create modified versions of it, or other derivative works, without any payment of royalties or fees of any sort, and without attribution or credit. This authorization is permanent and irrevocable.