From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.devel Subject: Re: How does one undo (even temporarily) an defvaralias, giving two distinct variables? Date: Thu, 14 Mar 2013 16:52:25 +0000 Message-ID: <20130314165225.GD4296@acm.acm> References: <20130312155548.GA4276@acm.acm> <87txogo2o0.fsf@Rainer.invalid> <20130314143101.GB4296@acm.acm> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1363279991 29608 80.91.229.3 (14 Mar 2013 16:53:11 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 14 Mar 2013 16:53:11 +0000 (UTC) Cc: Achim Gratz , emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Mar 14 17:53:36 2013 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UGBPK-0006r4-6p for ged-emacs-devel@m.gmane.org; Thu, 14 Mar 2013 17:53:34 +0100 Original-Received: from localhost ([::1]:53944 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UGBOx-0007oE-Ol for ged-emacs-devel@m.gmane.org; Thu, 14 Mar 2013 12:53:11 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:35975) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UGBOr-0007nT-0a for emacs-devel@gnu.org; Thu, 14 Mar 2013 12:53:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UGBOk-00063p-UZ for emacs-devel@gnu.org; Thu, 14 Mar 2013 12:53:04 -0400 Original-Received: from colin.muc.de ([193.149.48.1]:30567 helo=mail.muc.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UGBOk-00062c-LC for emacs-devel@gnu.org; Thu, 14 Mar 2013 12:52:58 -0400 Original-Received: (qmail 1059 invoked by uid 3782); 14 Mar 2013 16:52:55 -0000 Original-Received: from acm.muc.de (pD9557A7D.dip.t-dialin.net [217.85.122.125]) by colin.muc.de (tmda-ofmipd) with ESMTP; Thu, 14 Mar 2013 17:52:50 +0100 Original-Received: (qmail 28550 invoked by uid 1000); 14 Mar 2013 16:52:25 -0000 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-detected-operating-system: by eggs.gnu.org: FreeBSD 8.x X-Received-From: 193.149.48.1 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:157860 Archived-At: Hi, Stefan, On Thu, Mar 14, 2013 at 12:36:37PM -0400, Stefan Monnier wrote: > > The workaround I've come up with is (defvaralias face (gensym)), which > > although it leaves `face' as an alias, at least it points to a different > > target. > BTW don't count on this workaround too much. If it works, it's purely > by accident and might get "fixed" at any time. Sorry, but what might get "fixed"? What is there about that lisp form which is, strictly speaking, invalid? > Stefan -- Alan Mackenzie (Nuremberg, Germany).