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2018-03-13 22:38 GMT+02:00 Rodrigo Azevedo <>:

> the (new) syntax could be extended to
> non-tables
> a = function(x) return x end
> a = undef

This is perfectly legal if a is global, since a=undef is equivalent to
_ENV.a = undef
It is an error if a is local, or if a does not in fact currently have a value.