Start and end points aren't good enough, because a character could cross the
middle line and still have the start and end points on the same side.  E.g.,
K, D, P, X.  Anyway, it now works--I just dequeue, flush and re-enqueue.
Alex
--
Dr. Alexander R. Pruss
Department of Philosophy
Georgetown University
Washington, DC 20057-1133  U.S.A.
e-mail: [EMAIL PROTECTED]
online papers and home page: www.georgetown.edu/faculty/ap85
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   "Philosophiam discimus non ut tantum sciamus, sed ut boni efficiamur."
       - Paul of Worczyn (1424)


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