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2013/9/5 Choonster TheMage <>:

> The manual says that the results of the expression list "...are an
> iterator function, a state, and an initial value for the first
> iterator variable."

The use of the term "iterator function" rather than just "function"
gives us Lua redesigners some room to manoeuvre in. The two
concepts have already been separated; it becomes just an
argument about semantics.