Fwd: [antlr-interest] Lexer not as smart as it should be?

[Sohail Somani]

On Sat, 2005-22-10 at 10:37 +0200, Martin Probst wrote:
> A syntactic predicate is something like this:
> foo: ( AB CD EF ) => ruleA
>      | ruleB;
> And that is slowing down parsing. If you don't use that, it's not slow.

Isnt that only true if you see ruleB more than (AB CD EE)?