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: [PATCH] Fix (letrec ((ignore))) Date: Tue, 15 Dec 2015 14:14:45 +0000 Message-ID: <20151215141445.GB5018@acm.fritz.box> References: <20151211161116.GA8923@apertron.net> <20151213121315.GA2680@acm.fritz.box> <20151214202422.GA3687@acm.fritz.box> <878u4w92q2.fsf@fencepost.gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1450188846 31932 80.91.229.3 (15 Dec 2015 14:14:06 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 15 Dec 2015 14:14:06 +0000 (UTC) Cc: Artur Malabarba , Zack Piper , Kaushal Modi , =?iso-8859-1?Q?Aur=E9lien?= Aptel , Emacs developers To: David Kastrup Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Dec 15 15:13:58 2015 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 1a8qLQ-0002y0-Jq for ged-emacs-devel@m.gmane.org; Tue, 15 Dec 2015 15:12:48 +0100 Original-Received: from localhost ([::1]:37054 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a8qLQ-0007jE-0u for ged-emacs-devel@m.gmane.org; Tue, 15 Dec 2015 09:12:48 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56253) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a8qLK-0007im-7A for emacs-devel@gnu.org; Tue, 15 Dec 2015 09:12:44 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a8qLG-0001st-3H for emacs-devel@gnu.org; Tue, 15 Dec 2015 09:12:42 -0500 Original-Received: from mail.muc.de ([193.149.48.3]:23332) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a8qLF-0001sb-Qt for emacs-devel@gnu.org; Tue, 15 Dec 2015 09:12:38 -0500 Original-Received: (qmail 26188 invoked by uid 3782); 15 Dec 2015 14:12:36 -0000 Original-Received: from acm.muc.de (p5B1477A7.dip0.t-ipconnect.de [91.20.119.167]) by colin.muc.de (tmda-ofmipd) with ESMTP; Tue, 15 Dec 2015 15:12:34 +0100 Original-Received: (qmail 20316 invoked by uid 1000); 15 Dec 2015 14:14:45 -0000 Content-Disposition: inline In-Reply-To: <878u4w92q2.fsf@fencepost.gnu.org> User-Agent: Mutt/1.5.23 (2014-03-12) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x X-Received-From: 193.149.48.3 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:196302 Archived-At: Hello, David. On Mon, Dec 14, 2015 at 09:47:49PM +0100, David Kastrup wrote: > John Wiegley writes: > >>>>>> Alan Mackenzie writes: > >> I should have checked before writing my last contribution, but (let ((foo) > >> ...) ...) is actually documented as permissible in the Elisp manual. > >> That weakens considerably the case for making it invalid. > > Perhaps this is a bug both in the code and the manual? What say others? > It's awful as far as I'm concerned. But being documented and available > for a long time, deprecating it is a slow process, starting with > undocumenting it and giving byte compiler warnings. I've just tried putting a diagnostic into the compiler. A make bootstrap turned up 225 occurences of ((foo)) style bindings. As you say, getting rid of them will be a slow process. :-( > I'd not mind getting it on the way. > -- > David Kastrup -- Alan Mackenzie (Nuremberg, Germany).