Zarutian 14. may 2005: I find BlackNet a pretty intresting idea/concept and I am thinking about implementing it when Tcl has proper integers or perhaps sooner ;-)
Introduction to BlackNet at http://grass.itc.it/pipermail/grass5/1994-February/001433.html
Lars H: Off topic, but perhaps equally interesting, is that the message before that which is linked to above is about Tcl/Tk.