Re: Proposal: allow @, $, !, and ? in Lua identifiers

[Roberto Ierusalimschy <roberto@...>]

> An interesting presentation of the "why restrict ourselves" position
> is here [1].  There is a pretty example of idiomatic Fortress code in
> full flight, which is very readable if you are a mathematician.  (The
> author also makes the point that regular expressions would have no
> need for escapes if the basic elements of the grammar were some other
> Unicode characters.)

"Other" from what? How would you manipulate a pattern with patterns?

-- Roberto