From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.help Subject: Re: Meaning of \C-? in bracket regular expression Date: Mon, 28 Sep 2015 02:11:04 +0200 Message-ID: <87h9mfcsiv.fsf@web.de> References: <20150927164955.67213d70@gauss> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1443399096 16032 80.91.229.3 (28 Sep 2015 00:11:36 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 28 Sep 2015 00:11:36 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Sep 28 02:11:27 2015 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 1ZgM2R-0000kV-80 for geh-help-gnu-emacs@m.gmane.org; Mon, 28 Sep 2015 02:11:27 +0200 Original-Received: from localhost ([::1]:59521 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZgM2Q-000558-No for geh-help-gnu-emacs@m.gmane.org; Sun, 27 Sep 2015 20:11:26 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41938) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZgM2H-00054x-LT for help-gnu-emacs@gnu.org; Sun, 27 Sep 2015 20:11:18 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZgM2D-0001HV-KD for help-gnu-emacs@gnu.org; Sun, 27 Sep 2015 20:11:17 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:37437) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZgM2D-0001Gh-De for help-gnu-emacs@gnu.org; Sun, 27 Sep 2015 20:11:13 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZgM2B-0000Gd-SP for help-gnu-emacs@gnu.org; Mon, 28 Sep 2015 02:11:11 +0200 Original-Received: from ip-90-186-1-25.web.vodafone.de ([90.186.1.25]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 28 Sep 2015 02:11:11 +0200 Original-Received: from michael_heerdegen by ip-90-186-1-25.web.vodafone.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 28 Sep 2015 02:11:11 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 18 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: ip-90-186-1-25.web.vodafone.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:+gYBENEApx9MWqrGCSvloK0j2Ps= 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:107385 Archived-At: Joe Riel writes: > "[^\C-?}]" (info "(elisp) Ctl-Char Syntax") says that For historical reasons, Emacs treats the character as the control equivalent of ‘?’: ?\^? ⇒ 127 ?\C-? ⇒ 127 Try (string-to-vector "[^\C-?}]"). So this is a question of string read syntax - there is no character "-" in this string representing a regexp. Michael.