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bug#21670: surprising bug in grep -e with anchors

From: Jim Meyering
Subject: bug#21670: surprising bug in grep -e with anchors
Date: Tue, 27 Oct 2015 17:37:46 -0700

On Sun, Oct 11, 2015 at 2:01 PM, greg boyd <address@hidden> wrote:
> This bug appears in GNU grep version 2.20. It is not present in the older
> version I have installed on a home system (2.6.3.)
> test case (single line)
> abchelloabc
> grep does not find the line with grep -e '^hello'  nor with grep -e 'hello$'
> however, the line is output with
> grep -e '^hello' -e 'hello$'
> I downloaded, built and tested the bug on GNU grep 2.21 and it still
> appears.
> weird.
> (this was found by an introductory Linux student. )

I asked Greg for the student's name and then added two names to
THANKS.in with this:

Attachment: 0001-maint-update-THANKS.in.patch
Description: Text Data

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