You were right. The P at the end does appear to be a typo. What through me off was this dot manpage which lists decorateP as one of the edge attributes. I'm not sure what's going on, but switching to decorate => 1 did solve the problem.

Cheers,
Ovid

New address of my CGI Course.

In reply to Re^2: GraphViz decorateP attribute not working? by Ovid
in thread GraphViz decorateP attribute not working? by Ovid

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