Plotting the ASCII character set.

Thanks to Ivan Krylov, David Winsemius and Duncan Murdoch for their
informative replies to my cri de coeur.  The most complete answer was
however provided off-list by Andrew Simmons who wrote a new and
carefully structured function plotASCII() to replace my old no-longer
functioning plot_ascii() function.

In the belief that others on the list might well be interested in seeing
Andrew's very elegant solution to my problem, I have attached (with
Andrew's permission) the code for plotASCII() (in the file
"plotASCII.txt").

Note that Andrew, very cautiously, uses syntax such as
"graphics::text(<whatever>) rather than just text(<whatever>).
I guess it never hurts to be cautious.

cheers,

Rolf Turner

Honorary Research Fellow
Department of Statistics
University of Auckland
Phone: +64-9-373-7599 ext. 88276

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