From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Barry Margolin Newsgroups: gmane.emacs.help Subject: Re: Confusion about Undo keybinding Date: Thu, 11 Feb 2016 14:42:26 -0500 Organization: A noiseless patient Spider Message-ID: References: NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1455219921 6756 80.91.229.3 (11 Feb 2016 19:45:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 11 Feb 2016 19:45:21 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Feb 11 20:45:19 2016 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 1aTxB0-0002gE-4X for geh-help-gnu-emacs@m.gmane.org; Thu, 11 Feb 2016 20:45:18 +0100 Original-Received: from localhost ([::1]:53092 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTxAz-00053a-G4 for geh-help-gnu-emacs@m.gmane.org; Thu, 11 Feb 2016 14:45:17 -0500 Original-Path: usenet.stanford.edu!news.tele.dk!news.tele.dk!small.news.tele.dk!newsfeed.xs4all.nl!newsfeed9.news.xs4all.nl!feeder.erje.net!2.eu.feeder.erje.net!newsfeed.kamp.net!newsfeed.kamp.net!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!barmar.motzarella.org!.POSTED!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 21 Injection-Info: barmar.motzarella.org; posting-host="78fb7125a45724f15e21604c94a7d968"; logging-data="3281"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18mQGqIseuX8pE8fY1znEW1" User-Agent: MT-NewsWatcher/3.5.3b3 (Intel Mac OS X) Cancel-Lock: sha1:xB160mFE7/HbqUn+Oc+Hj5D66hc= Original-Xref: usenet.stanford.edu gnu.emacs.help:216821 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:109113 Archived-At: In article , Kevin Havener wrote: > According to the tutorial and other places, undo is bound by default to > C-/, C-_, and C-x u. However in my newly installed emacs 24.5, C-/ is > bound to DEL (backspace). I don't think I have any .emacs type file > overriding the defaults, so is this wrong or is the documentation wrong? > > Wait just a minute. C-/ is bound to undo in graphical mode and in xterm > (-nw) mode. C-/ is bound to DEL in my linux virtual consoles. How is > this possible? In terminal mode, only ASCII characters can be used, and there is no ASCII C-/ character. When you type C-/ it sends the DEL character, I think because this is what Teletype terminals in the 70's did (or maybe it's what DEC VTxxx terminals did). -- Barry Margolin, barmar@alum.mit.edu Arlington, MA *** PLEASE post questions in newsgroups, not directly to me ***