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: Tick Reduction Date: Sat, 20 Nov 2021 11:51:59 +0200 Message-ID: <835ysntark.fsf@gnu.org> References: <87bl2hyzca.fsf@gnus.org> <8735nszpdv.fsf@gnus.org> <87sfvswrp8.fsf@gnus.org> <87zgq0tu7z.fsf@gnus.org> <87r1bbrzd5.fsf@gnus.org> <83bl2ftd0d.fsf@gnu.org> <875ysnrxdd.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15617"; mail-complaints-to="usenet@ciao.gmane.io" Cc: dgutov@yandex.ru, stefankangas@gmail.com, emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Nov 20 10:52:33 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 1moN2u-0003rX-45 for ged-emacs-devel@m.gmane-mx.org; Sat, 20 Nov 2021 10:52:32 +0100 Original-Received: from localhost ([::1]:34846 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1moN2s-0005pr-2y for ged-emacs-devel@m.gmane-mx.org; Sat, 20 Nov 2021 04:52:30 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:46332) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1moN2M-00059T-5c for emacs-devel@gnu.org; Sat, 20 Nov 2021 04:51:58 -0500 Original-Received: from [2001:470:142:3::e] (port=39526 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 1moN2L-00024i-QZ; Sat, 20 Nov 2021 04:51:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=LRSdksCflfttJho1YfvX0P/mYdwy1LeOIaGM7X/scvk=; b=eknq2v52tjOq3iBV945l +/SqC/GCu0x7w9t+P+ZHvV0pyig82uB8VZuasedHV39eSX5qcf4Pn1sAXuLqbK5WBhCttu0ldfAj3 rXzHhN1N4d/b+wJB95LBceuc3GQPAwiKTzKkxnwrpdovIVeZ+CyhyV2WnxyKF74ZUrjWFfMDAiK3X BcS4cXPEFdUynVEvDWaaRMXAtTA8VKmVUTfNjyi8FulfndJ1ky8jk4uYH7bHnNgL17wgezKndr5o9 erGPhWhUicR8Y26KZ/jAFq0W/YySCki4Zo861a5xYmg93FjlfhUZxzkbzTkTgeT15y+Ph08aL9xUg 8ciNE75bLa2yGQ==; Original-Received: from [87.69.77.57] (port=3959 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 1moN2L-0003Pv-Gj; Sat, 20 Nov 2021 04:51:57 -0500 In-Reply-To: <875ysnrxdd.fsf@gnus.org> (message from Lars Ingebrigtsen on Sat, 20 Nov 2021 10:26:38 +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:279799 Archived-At: > From: Lars Ingebrigtsen > Cc: stefankangas@gmail.com, emacs-devel@gnu.org, dgutov@yandex.ru > Date: Sat, 20 Nov 2021 10:26:38 +0100 > > Eli Zaretskii writes: > > > Emacs knows that for each character it displays. (Assuming I > > understand what "x-height of a character" means in this context.) We > > get the full metrics of the character from the font, and use that for > > layout. > > The x-height is literally the height of the lower-case x character. 😀 > But it's used as a shorthand to say something about the characteristics > of a font -- the x-height is what matters most for legibility, and the > ascenders (in characters like "b") and descenders (in characters like > "g") are separate things. We can easily get the info from the font. But how do you propose to use that info?