The following reply was made to PR misc/23162; it has been noted by GNATS.

From: "Valeriy E. Ushakov" <uwe@ptc.spbu.ru>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: misc/23162
Date: Sun, 16 Oct 2005 00:30:05 +0400

 This is a bug in sdiff in diffutils 2.8.1
 
 In 2.7 sdiff checks that the exit code of diff is < 2 (exit code 1
 means that files differ, which is ok).
 
 In 2.8.1 they introduced ck_editor_status() function to check the exit
 code of the editor, and wisely "reused" it to check the exit status of
 the diff.  Of course that function doesn't have that special treatment
 for the exit code == 1.
 
 SY, Uwe
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