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On Fri, Oct 21, 2011 at 7:32 PM, Peter Cawley <> wrote:
> It is documented in the 5.2 reference manual:
> "Several functions in the auxiliary library use internally some extra
> stack slots. ...

And there's an API function:
int lua_checkstack (lua_State *L, int extra);

So I realize there are extra slots and there are extra slots, right?
That's cool way not to give up "The 5 extra-slots" shadow mastery
so The Shadow may still protect clumsy programmers.

Anyway, let The Shadow Digit be with you all!