Re: [ANN] Lua 5.2.0 (beta-rc1) now available

[Florian Weimer <fw@...>]

* Dirk Laurie:

> On Tue, Jun 14, 2011 at 08:18:58PM +0200, Florian Weimer wrote:
>> * Roberto Ierusalimschy:
>> 
>> > Now, when the compiler sees label 0, label 2 and label 1 are out of
>> > scope, so it makes no sense to raise an error.
>> 
>> Unless labels are of function scope, which I strongly recommend.  I
>> really doubt Lua 5.2 implements non-local goto from a lexically nested
>> function to a label in the enclosing function. 8-)

> The reference manual clearly states:
>
>> A label is visible in the entire block where it is defined (including 
>> nested blocks, but not nested functions). 

And I think this is a mistake, both in implementation and in
specification.

(The same comment applies to the other subthread about the length
operator; I was not trying to understand the 5.2-beta reference
manual, I was trying to suggest an improvement.)