From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: Future of display engine and lines Date: Fri, 12 Nov 2021 23:08:29 -0500 Message-ID: References: <2108181.AU8Z245p1N@galex-713.eu> <834k952tti.fsf@gnu.org> <2364365.nKfNrZnynm@galex-713.eu> <83a6ib3jbk.fsf@gnu.org> Reply-To: rms@gnu.org Content-Type: text/plain; charset=Utf-8 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21211"; mail-complaints-to="usenet@ciao.gmane.io" Cc: yandros@gmail.com, larsi@gnus.org, galex-713@galex-713.eu, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Nov 13 05:09:39 2021 Return-path: Envelope-to: ged-emacs-devel@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 1mlkME-0005Iq-ME for ged-emacs-devel@m.gmane-mx.org; Sat, 13 Nov 2021 05:09:38 +0100 Original-Received: from localhost ([::1]:56442 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mlkMD-0000PL-62 for ged-emacs-devel@m.gmane-mx.org; Fri, 12 Nov 2021 23:09:37 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:48594) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlkL8-00089P-Js for emacs-devel@gnu.org; Fri, 12 Nov 2021 23:08:30 -0500 Original-Received: from [2001:470:142:3::e] (port=59232 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlkL7-0006QZ-W3; Fri, 12 Nov 2021 23:08:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=Date:References:Subject:In-Reply-To:To:From: mime-version; bh=FsCJxcsGMzM8Md6DZt9T2dfKgEr6S7UGKtZkJxRnpkU=; b=FjfL7Q7HSML4 C5fcKktAXt4wos4eN/9kplQ+wJSZVaPqjBPbpckekRnSiCcMUUzUB5O4rQkqS7ayZeXgti/SfUetm 6JF4s0ikcfgG1y9CWt6g4CiiF0Rxgk6dxB3UJyHnTAGjZs+HRhX+Utc4n6tKsBi7PlhO9FY1A8dfp /HcwDhEzJ5el2sJCwk7bGBh/5mqOXfWACjfxMnrZSQHOMN/KUDpvYYjFP3KekpAKuDYWFinsm7Mxm EygEAt3zo/MnKJ6rKoYfiEGRW3HsGC7Hkfs+r255pQGY7x2yhm5evZIvw4dM6md0B3hQutOYaRB4o MtPIDkL011CtCGQHZHDt3Q==; Original-Received: from rms by fencepost.gnu.org with local (Exim 4.90_1) (envelope-from ) id 1mlkL7-0006W6-R6; Fri, 12 Nov 2021 23:08:29 -0500 In-Reply-To: <83a6ib3jbk.fsf@gnu.org> (message from Eli Zaretskii on Wed, 10 Nov 2021 21:24:31 +0200) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:279299 Archived-At: [[[ To any NSA and FBI agents reading my email: please consider ]]] [[[ whether defending the US Constitution against all enemies, ]]] [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > In any case, I don't think multiple-cursors have necessarily anything > to do with the way we store and process buffer text. It's a display > feature, not necessarily a text-editing feature. I agree. > I think if we ever seriously consider changing the representation of > buffer text, we should consider first what will benefit faster display > operations, not the efficiency of insertions and deletions. Because > without well-known display problems, we won't have a good enough > reason to change the buffer text representation in the first place. > And it must be a very good reason, because the job of changing that > representation is not a trivial one. I agree with that too. BTW, I think the data format used for text properties is similar to a rope. -- Dr Richard Stallman (https://stallman.org) Chief GNUisance of the GNU Project (https://gnu.org) Founder, Free Software Foundation (https://fsf.org) Internet Hall-of-Famer (https://internethalloffame.org)