Mike Atkinson - 2003-11-26

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I've corrected the off-by-one error.

Thre are other errors in the CPD that mean that it sometimes
gets the line start/end numbers wrong by lots more than one.
The cut and paste detector is part of PMD that I include
(the PMD part is modified to work with JDK 1.5 and
refactorings). I'll look into whether there are any fixes to
CPD in the PMD CVS that I have not yet included.