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On Thu, Jun 2, 2011 at 12:19 AM, Xingzhi Pan <> wrote:
> So my question is that for inner functions fi1 and fi2, why GETGLOBAL
> and SETGLOBAL, rather than GETUPVAL and SETUPVAL, are used?  Isn't uv
> an upvalue?

no, uv is a global.

it wasn't declared with 'local' at the outermost fo() function