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From: Wolfram Schneider <wosch@cs.tu-berlin.de>
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Date: Fri, 23 Aug 1996 14:15:39 +0200 (MET DST)
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To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
Cc: mpp@freefall.freebsd.org (Mike Pritchard), wosch@freefall.freebsd.org,
        CVS-committers@freefall.freebsd.org, cvs-all@freefall.freebsd.org,
        cvs-share@freefall.freebsd.org
Subject: Re: cvs commit:  src/share/man/man9 style.9
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J. Wunsch writes:
>As Mike Pritchard wrote:
>
>> >   remove case '?', if '?' is not in getopt(), it should
>> >   not be in the switch statement
>
>> '?' is a valid return value from getopt(), and should probably be
>> in the switch statement, even if it is covered by the "default" case.
>> Since this is the style guide, including it in the example will
>> at least make people think about it.
>
>Yep.  Folks, please discuss modifications to the style guide first.

There was a discussion  6 months ago. 

mv.c
revision 1.6
date: 1996/02/19 05:51:13;  author: pst;  state: Exp;  lines: +2 -5
[...] -? is an unnecessary case statement and not useful

Wolfram