From owner-freebsd-current@FreeBSD.ORG  Sun Mar  2 18:45:19 2014
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id C8F5A518;
 Sun,  2 Mar 2014 18:45:19 +0000 (UTC)
Received: from gw.catspoiler.org (gw.catspoiler.org [75.1.14.242])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id A878E1BF3;
 Sun,  2 Mar 2014 18:45:19 +0000 (UTC)
Received: from FreeBSD.org (mousie.catspoiler.org [192.168.101.2])
 by gw.catspoiler.org (8.13.3/8.13.3) with ESMTP id s22Ij33e000373;
 Sun, 2 Mar 2014 10:45:07 -0800 (PST)
 (envelope-from truckman@FreeBSD.org)
Message-Id: <201403021845.s22Ij33e000373@gw.catspoiler.org>
Date: Sun, 2 Mar 2014 10:45:03 -0800 (PST)
From: Don Lewis <truckman@FreeBSD.org>
Subject: Re: nvi: <tab> can't be used in the context of substitute
To: lichray@gmail.com
In-Reply-To: <CAGsORuAKxsaDFqjiTjSQM3Rxa23fBX8LAzBShhHYbB86S+bgnw@mail.gmail.com>
MIME-Version: 1.0
Content-Type: TEXT/plain; charset=us-ascii
Cc: freebsd-current@FreeBSD.org, d@delphij.net, peter@FreeBSD.org
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 02 Mar 2014 18:45:19 -0000

On  2 Mar, Zhihao Yuan wrote:
> On Sun, Mar 2, 2014 at 6:04 AM, Xin Li <delphij@delphij.net> wrote:
>> It looks like the new nvi version don't accept <tab> in the context of
>> substitute.  A minimal use case would be to replace all leading 8
>> spaces with tabs, what one would do on older version of nvi would be:
>>
>> : 1,$ s/^        /<tab>/g
>>
>> Now, with nvi in FreeBSD 10.x+, entering <tab> won't yield the <tab>
>> character.  This seems to be a regression from older nvi version.
>>
>> Is this a known issue, or did I missed something?
> 
> The <tab> key in last line mode is now mapped to the filename
> completion by default.  The feature itself exisits in old nvi, but was
> off by default.  Currently, to input <tab> in last line, you can either
> 
>   <C-v><C-v><tab>
> 
> which performs escape, or
> 
>   :se filec=<some other key, or empty to disable completion>
> 
> The completion code is not as smart as that in vim, which
> can detect the context.  I think at least I should limit the
> completion to the commands which need a filename, like
> next, cd, edit, script, source, read.

Thanks.  I've been meaning to whine about this for a while.  I just
dropped
	:se filec=
in ~/.nexrc and I'm happy again.