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Date:      Mon, 19 Jun 2023 15:08:07 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 271817] sed: range change with N results in no output
Message-ID:  <bug-271817-227-Qt0BhO0LWV@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-271817-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-271817-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D271817

--- Comment #9 from Andrew "RhodiumToad" Gierth <andrew@tao11.riddles.org.u=
k> ---
(In reply to Mohamed Akram from comment #8)

NetBSD reference:
https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=3D45981

That claims that the v7 manual said:

  Delete the pattern space.  With 0 or 1 address or at the end of a
  2-address range, place text on the output.  Start the next cycle.

... which disagrees with what the spec now says. (As far as I can tell from=
 a
quick look, given that it's not the most readable code in the world, the v7=
 sed
does in fact behave as documented in this case.)

So, I think this can definitely be argued to be a defect in the spec; you
should certainly take it up with them if you care about it.

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