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Hi,

> > (2) Why do metamethods have a double underscore prefix? That seems to
> imply
> > that the metatable will be filled with other, otherwise conflicting,
> > entries.

Another reason was that you can quickly locate "meta related" pieces of code
by scanning for double underscores.  (More so if enforced by blunt
intstruments  ;-)

Bye,
Wim