Subject: bug#16966: [PATCH] grep: optimization with the superset of DFA

From: Norihiro Tanaka <[email-masked]>
Date: Wed, 02 Apr 2014 08:55:53 +0900

Paolo Bonzini <[email-masked]> wrote:
> Better translate it to a[\x0-\xff]{1,2}b or something similar. 

I also thought that previously.  However, since we don't ask an exact
match for the superset, that is believed to be meaningless.

Norihiro