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On Fri, Nov 6, 2015 at 1:11 AM, Renato Maia <> wrote:
> I'd suggest to add to 'luaL_optlstring's doc something like:
> "If l is not NULL, fills the position *l with the result's length *** or 0 if the result is NULL *** ."

Why not keep current value of l in case the result is NULL?


Best regards,
Boris Nagaev