Re: [ANN] Lua 5.2.0 (alpha-rc2) now available

[Roberto Ierusalimschy <roberto@...>]

> Checking my other pet-peeve I noticed that it's still there:
> 
>   print("%d":format(42))    --> error: ')' expected near ':'
>   print(("%d"):format(42))  --> 42
> 
> I still have to add these superfluous parentheses around the string.
> As far as I can see, there's no real reason for the parentheses.
> 
> I've attached a patch to remove this requirement (patch1).

Please, do not send patches; they show the implementation, not the idea.
For what you are proposing, a BNF would be more useful. Show how Lua's
BNF should be modified.

-- Roberto