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When you add a name space to the dictionary stack, all
definitions are local, while variable lookups go down
through the dict stack (to the global, if not found
before) to find a value.

I'm not saying Lua should behave like this... It's just
an example of what I feel is a quite natural behaviour.


  Magnus Lie Hetland      (magnus at hetland dot org)

 "Reality is what refuses to disappear when you stop
  believing in it"                 -- Philip K. Dick