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On Thu, 25 Feb 2010, Roberto Ierusalimschy wrote:
>
> _ENV is a real variable in all senses. We though about using _G, but
> that would create a needless incompatibility for code that manipulates
> _G.  Apart from that, _G is as good a name as any other.

It seems a pity to have two names for essentially the same thing.

Tony.
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