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> so the PO's are between the philosophers.

PO's  ??

> What is rather interesting with this new  visualization
> (over the current Text curses version), is that it can spot possible
> problems in the algorithms.  For example, my very cursory
> running of the code sometimes shows a Philosopher Eating, but the
> adjacent Chopsticks are not always both in the "Picked Up" state.

The TCL/Tk idea is cool.  However, the AQS 95 version does have a graphic
(ASCII) display of the chopsticks, and in several runs of the AQS version
AND a slightly simplified version, I have not noticed this problem.