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Version History:

 1.0 2002-03-09

 1.1 2002-03-09 add Posi-Drive ake PoziDrive
                simplify code with fillCentredRect
                use of temp variables to clarify the code.
                demonstrate use of AffineTransform.

 1.2 2008-01-01 add pad, ANT script, icon

 1.3 2009-03-25 use anti-aliasing to improve look.

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