From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!not-for-mail
From: Richard Stallman <rms@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: [PATCH, RFC] etags/ctags v22.0.92 break Linux kernel `make
	TAGS/tags`
Date: Tue, 26 Dec 2006 21:59:28 -0500
Message-ID: <E1GzP0q-0006Cq-Rq@fencepost.gnu.org>
References: <1166990491.2706.205.camel@localhost.localdomain>
	<E1GzD3E-0006S5-MZ@tucano.isti.cnr.it>
Reply-To: rms@gnu.org
NNTP-Posting-Host: dough.gmane.org
Content-Type: text/plain; charset=ISO-8859-15
X-Trace: sea.gmane.org 1167188452 30669 80.91.229.10 (27 Dec 2006 03:00:52 GMT)
X-Complaints-To: usenet@sea.gmane.org
NNTP-Posting-Date: Wed, 27 Dec 2006 03:00:52 +0000 (UTC)
Cc: dwm@meer.net, od@suse.de, emacs-devel@gnu.org
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Dec 27 04:00:51 2006
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
Envelope-to: ged-emacs-devel@m.gmane.org
Original-Received: from lists.gnu.org ([199.232.76.165])
	by dough.gmane.org with esmtp (Exim 4.50)
	id 1GzP28-00045Q-Mv
	for ged-emacs-devel@m.gmane.org; Wed, 27 Dec 2006 04:00:48 +0100
Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43)
	id 1GzP28-0005jw-8M
	for ged-emacs-devel@m.gmane.org; Tue, 26 Dec 2006 22:00:48 -0500
Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1GzP12-0004Yv-HI
	for emacs-devel@gnu.org; Tue, 26 Dec 2006 21:59:40 -0500
Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1GzP12-0004Yc-6D
	for emacs-devel@gnu.org; Tue, 26 Dec 2006 21:59:40 -0500
Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1GzP11-0004YX-T6
	for emacs-devel@gnu.org; Tue, 26 Dec 2006 21:59:39 -0500
Original-Received: from [199.232.76.164] (helo=fencepost.gnu.org)
	by monty-python.gnu.org with esmtp (Exim 4.52) id 1GzP11-0003CI-JC
	for emacs-devel@gnu.org; Tue, 26 Dec 2006 21:59:39 -0500
Original-Received: from rms by fencepost.gnu.org with local (Exim 4.60)
	(envelope-from <rms@gnu.org>)
	id 1GzP0q-0006Cq-Rq; Tue, 26 Dec 2006 21:59:28 -0500
Original-To: Francesco Potorti` <pot@tucano.isti.cnr.it>
In-reply-to: <E1GzD3E-0006S5-MZ@tucano.isti.cnr.it> (message from Francesco
	Potorti` on Tue, 26 Dec 2006 15:13:08 +0100)
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <http://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/emacs-devel>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <http://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=subscribe>
Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org
Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org
Xref: news.gmane.org gmane.emacs.devel:64319
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/64319>

    This also happens with the Emacs 21 version of etags.  Olaf Dabrunz once
    suggested that ctags optionally allows for duplicate entries, which
    modern versions of vi can handle.

Could you explain more clearly what this change means?
What does it mean to have "duplicate entries", and what would they do?