From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Variable pitch text filling Date: Sat, 27 Nov 2021 09:43:23 +0200 Message-ID: <83czmm11t0.fsf@gnu.org> References: <87ilwft1ph.fsf@gnus.org> <837dcv2c2c.fsf@gnu.org> <875ysft0l3.fsf@gnus.org> <835yse3n01.fsf@gnu.org> <87lf1ars0f.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18507"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Nov 27 08:44:15 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 1mqsNb-0004e8-BZ for ged-emacs-devel@m.gmane-mx.org; Sat, 27 Nov 2021 08:44:15 +0100 Original-Received: from localhost ([::1]:49896 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mqsNZ-0001Y6-S2 for ged-emacs-devel@m.gmane-mx.org; Sat, 27 Nov 2021 02:44:13 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:52366) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqsMg-0000sd-BZ for emacs-devel@gnu.org; Sat, 27 Nov 2021 02:43:18 -0500 Original-Received: from [2001:470:142:3::e] (port=46520 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 1mqsMg-0003eJ-0H; Sat, 27 Nov 2021 02:43:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=ueSpdzk+qBPDte1GAESUOd3SBmAJGnwOWOpMJbv/XAs=; b=INayYAtIvkBL nDEg09y2Y05f1/l4Mzn9n40C3rBKXrqwtVib+JUGpcRjbGDfRojIE+P4qGnPWjipIoMbJDzuZEhWf hVFpxpKxn/FzSojaVMJNiHVFR8laTiA60v0eQgTQUYk2O+xyisY4+v8xqrTMe2AxzjiFbSNPhO9J0 n2M2fQ6tmkXDXH8pifoQYvtCzHet3jrX7D13VBhwEGklwOcb3ulLvv6KtpxWFW6EfjnhjLGQr0hfp L5VLEdIil2qNmC6D5fPdpYobxTwCb4fjR1UG6zfCRBEIQj4x87eZtAZAJCkv7jH0UKfDaBLJhMcav NuUwu9+Rjeu8L/+5CSCKzA==; Original-Received: from [87.69.77.57] (port=1166 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqsMe-0000Mp-Ue; Sat, 27 Nov 2021 02:43:18 -0500 In-Reply-To: <87lf1ars0f.fsf@gnus.org> (message from Lars Ingebrigtsen on Sat, 27 Nov 2021 08:12:48 +0100) 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:280301 Archived-At: > From: Lars Ingebrigtsen > Cc: emacs-devel@gnu.org > Date: Sat, 27 Nov 2021 08:12:48 +0100 > > Eli Zaretskii writes: > > > You mean, add space inside of a word? That could at first be avoided, > > because doing that isn't trivial. > > Not trivial in what way? The Lisp code would be unnecessarily complicated. And having a display property on each character will slow down redisplay, because handle_stop will be called for each character. Having too many intervals on buffer text is also best avoided for other reasons (memory etc.). > > I'm not sure min-width is the right implementation for that, because > > we don't really want to put a separate property on each character. > > This should probably be implemented by tweaking the advance width the > > glyphs or something. > > That'd probably be more efficient, but some cursory testing seems to > indicate that putting a min-width on every char in a pretty big buffer > works fine. I don't like such an implementation. It's a kludge at best, IMO. Please let's not go that way.