Hi,

At Thu, 3 Nov 2005 22:13:46 +0900,
Christian Neukirchen wrote in [ruby-talk:163903]:
> I don't think the real problem is the real grammar, that part of
> parse.y looks like the easier one (and rather readable) to me.  The
> problem is the lexer-parser communication, think heredocs, %q[] etc.
> There is no way to express that in BNF.

Exactly.  It's a headache.

-- 
Nobu Nakada