I'm constrained to Perl 5.8.x by ActiveState (they dropped Tk after that). My users need binaries, not command lines and the AS app builder gives me binaries for all platforms (inc AIX, but I ignore that).

OS wise, Snow Leopard 10.6 is all I have to test against.

Demo code wise, as far as I can see replacing the context popup menu using the Tk::Text->menu function is documented, but AFAIK, not demonstrated; neither is binding the right mouse button to a menu popup action.