From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: [Patch]: Allow overlay arrows to be inserted before the text at column zero rather than splatting it. Date: Tue, 20 Aug 2019 05:30:49 +0300 Message-ID: <83mug4lg9y.fsf@gnu.org> References: <20190818134804.GA31509@ACM> <83mug6mtjy.fsf@gnu.org> <20190818161530.GB31509@ACM> <83imqumo7i.fsf@gnu.org> <20190818184356.GC31509@ACM> <83a7c6mhjw.fsf@gnu.org> <20190818192310.GD31509@ACM> <838srpnazt.fsf@gnu.org> <20190819192829.GB30372@ACM> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="79898"; mail-complaints-to="usenet@blaine.gmane.org" Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Aug 20 04:31:04 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hztvM-000Ke7-5X for ged-emacs-devel@m.gmane.org; Tue, 20 Aug 2019 04:31:04 +0200 Original-Received: from localhost ([::1]:60862 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hztvK-0004Dw-L3 for ged-emacs-devel@m.gmane.org; Mon, 19 Aug 2019 22:31:02 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40379) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hztv5-0004Dh-N3 for emacs-devel@gnu.org; Mon, 19 Aug 2019 22:30:48 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:38755) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hztv5-0001Y2-7s; Mon, 19 Aug 2019 22:30:47 -0400 Original-Received: from [176.228.60.248] (port=1062 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hztv4-0005jk-Hg; Mon, 19 Aug 2019 22:30:46 -0400 In-reply-to: <20190819192829.GB30372@ACM> (message from Alan Mackenzie on Mon, 19 Aug 2019 19:28:29 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.org gmane.emacs.devel:239471 Archived-At: > Date: Mon, 19 Aug 2019 19:28:29 +0000 > Cc: emacs-devel@gnu.org > From: Alan Mackenzie > > > So how exactly is your implementation different in this regard, and > > why did you need any new code for it? > > The patch I proposed would have allowed the overlay arrow's mechanism to > be used to _insert_ "=>" before column zero on a line (rather than > overwriting the first two characters). So your original patch does move the line's characters to the right, is that true? > The general feeling in this thread is that I should rethink this patch, > instead using before-string overlay properties. This would enable me to > close bug #36832 (The one about not wanting to scroll the compilation > mode buffer on typing CR) satisfactorally. > > I intend to do this in the coming days. Thanks.