From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: What's the difference between (defvar foo) and (declare (special foo)), with lexical-binding on? Date: Sun, 27 Jul 2014 04:16:11 -0400 Message-ID: References: <53D472DC.7070405@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1406449025 24366 80.91.229.3 (27 Jul 2014 08:17:05 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 27 Jul 2014 08:17:05 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Jul 27 10:16:58 2014 Return-path: Envelope-to: geh-help-gnu-emacs@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 1XBJdX-0004Xh-KT for geh-help-gnu-emacs@m.gmane.org; Sun, 27 Jul 2014 10:16:55 +0200 Original-Received: from localhost ([::1]:34206 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XBJdX-00016m-5w for geh-help-gnu-emacs@m.gmane.org; Sun, 27 Jul 2014 04:16:55 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44008) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XBJdF-00016c-QR for help-gnu-emacs@gnu.org; Sun, 27 Jul 2014 04:16:45 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XBJd7-0001F2-EY for help-gnu-emacs@gnu.org; Sun, 27 Jul 2014 04:16:37 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:32967) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XBJd7-0001Et-7J for help-gnu-emacs@gnu.org; Sun, 27 Jul 2014 04:16:29 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XBJd6-0004Gy-Ko for help-gnu-emacs@gnu.org; Sun, 27 Jul 2014 10:16:28 +0200 Original-Received: from dyn.83-228-141-040.dsl.vtx.ch ([83.228.141.40]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 27 Jul 2014 10:16:28 +0200 Original-Received: from monnier by dyn.83-228-141-040.dsl.vtx.ch with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 27 Jul 2014 10:16:28 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 9 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: dyn.83-228-141-040.dsl.vtx.ch User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) Cancel-Lock: sha1:au0KaAN/y7iTpI1fywQFOXfFMwg= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:98955 Archived-At: (declare (special foo)) is a hack defined in CL. It predates lexical-binding and I don't think anyone has tried to adapt it to lexical-binding, so I don't know what it does in the case of lexical-binding. Stefan