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

From: Norihiro Tanaka <[email-masked]>
Date: Wed, 02 Apr 2014 07:58:44 +0900

Norihiro Tanaka wrote:
> For example, I try following text for the pattern `a.b'. 

In UTF8, the pattern `a.b' doesn't use the superset.  Consider `a[d-z]b'
and/or `\(a\)\1b' instead of it.

Norihiro