From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: two column mode ? Date: Fri, 01 May 2020 13:11:40 +0300 Message-ID: <83368kvuar.fsf@gnu.org> References: <57B4372A-CC2F-46E1-8CF9-59CBCB962774@traduction-libre.org> Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="119856"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri May 01 12:15:58 2020 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jUSi5-000V4C-Un for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 01 May 2020 12:15:57 +0200 Original-Received: from localhost ([::1]:42486 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jUSi4-0001Za-Vd for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 01 May 2020 06:15:56 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45650) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jUSe8-0000iw-Ky for help-gnu-emacs@gnu.org; Fri, 01 May 2020 06:15:36 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:45359) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jUSe8-0004lh-CB for help-gnu-emacs@gnu.org; Fri, 01 May 2020 06:11:52 -0400 Original-Received: from [176.228.60.248] (port=4643 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jUSe7-0001P5-Jj for help-gnu-emacs@gnu.org; Fri, 01 May 2020 06:11:51 -0400 In-Reply-To: (message from Jean-Christophe Helary on Fri, 1 May 2020 18:49:13 +0900) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:122993 Archived-At: > From: Jean-Christophe Helary > Date: Fri, 1 May 2020 18:49:13 +0900 > > No, reading the manual did not help, hence my question, but your reply that I should read the manual did suggest that I had missed something important and I went back to the manual and it looks like this mode is for editing a file that has 2 (or more ?) columns, or to add a column to an existing file. Yes, that's my understanding as well. > I have never seen such a file in text format so the purpose was not obvious. > > Also, I tried a number of things (C-x 6 2, type in the new window, C-x 6 1, merge) but not much happened so I'm a bit lost... You should add a column separator to see something happening, AFAIU. > What are the use cases for this feature set ? You pretty much summarized them above, and I don't know more about this than what I can glean from the manual. This is a very old mode, from before Emacs 19; maybe ask on emacs-devel, where some veterans might know its roots and use cases.