Re: Lua5.0 new "For" question

[Vincent Penne <ziggy@...>]

Upvalues have disapeared ? Not in my manual, and I am using them in an 
application written in lua 5 ...

Peter Hill wrote:

> "Pure" is a very loaded term (with some nasty connotations I won't go into).
> As for "pure Lua", a language which regularly undergoes notable revisions
> can hardly claim (or even want) to be pure. The disappearance of upvalues
> and the new lexical scope thing (which I'm still coming to grips with) is
> hardly "language purity" from the point of view of a Lua4.0 vetran.
>
>