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2011/6/16 Roberto Ierusalimschy <>
> The following reformulation of §3.4.6, the second paragraph of §6.5,
> and the desciptions of table.insert and table.remove, is an attempt
> to be more precise.
> [...]

Many thanks.

-- Roberto

The length of a table t is only defined if the table is a sequence, that is, all its numeric keys comprise the set {1..n} for some integer n

is that mean, a empty table ({}) has no length defined?