Subject: bug#44351: Bug in grep v3.2 onwards in regular expression matching

From: [email-masked]
Date: Sun, 01 Nov 2020 07:59:08 -0700

Norihiro Tanaka <[email-masked]> wrote:

> Example,
>
>   a+a+a
>   1 2 3
>
> position 1 has a repetition of "a" and other transition with "a".
> position 2 has a repetition of "a" and other transition with "a", too.
> Then DFA was merging the two nodes, but it is wrong.
>
> Now similar nodes in series are not merged.

This patch works for me in gawk.

Looking forward to seeing it in Gnulib so that I can pull it in

Thanks!

Arnold