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.bugs Subject: bug#50178: 28.0.50; Size of echo area does not account for line-spacing Date: Wed, 25 Aug 2021 20:57:02 +0300 Message-ID: <83zgt5tnkh.fsf@gnu.org> References: <87eeajfvbq.fsf@telefonica.net> <83a6l7vyu2.fsf@gnu.org> <87a6l7ezks.fsf@telefonica.net> <837dgax1a0.fsf@gnu.org> <875yvug2ka.fsf@telefonica.net> <83y28qvhhn.fsf@gnu.org> <871r6ig01r.fsf@telefonica.net> <83wnoavftn.fsf@gnu.org> <87wnoaeisl.fsf@telefonica.net> <83sfyyuupx.fsf@gnu.org> <87k0k9er3w.fsf@telefonica.net> <87fsuxe9j9.fsf@telefonica.net> 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="17119"; mail-complaints-to="usenet@ciao.gmane.io" Cc: gregory@heytings.org, 50178@debbugs.gnu.org To: =?UTF-8?Q?=C3=93scar?= Fuentes Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Aug 25 19:58:07 2021 Return-path: Envelope-to: geb-bug-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 1mIxA7-0004EK-RP for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 25 Aug 2021 19:58:07 +0200 Original-Received: from localhost ([::1]:54112 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mIxA6-0006gh-RG for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 25 Aug 2021 13:58:06 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57118) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mIxA2-0006gY-2G for bug-gnu-emacs@gnu.org; Wed, 25 Aug 2021 13:58:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36026) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mIxA1-0005f3-RV for bug-gnu-emacs@gnu.org; Wed, 25 Aug 2021 13:58:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mIxA1-0002VG-KN for bug-gnu-emacs@gnu.org; Wed, 25 Aug 2021 13:58:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 25 Aug 2021 17:58:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 50178 X-GNU-PR-Package: emacs Original-Received: via spool by 50178-submit@debbugs.gnu.org id=B50178.16299142389556 (code B ref 50178); Wed, 25 Aug 2021 17:58:01 +0000 Original-Received: (at 50178) by debbugs.gnu.org; 25 Aug 2021 17:57:18 +0000 Original-Received: from localhost ([127.0.0.1]:47570 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mIx9J-0002U4-M9 for submit@debbugs.gnu.org; Wed, 25 Aug 2021 13:57:17 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:40812) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mIx9G-0002To-3M for 50178@debbugs.gnu.org; Wed, 25 Aug 2021 13:57:15 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:55058) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mIx99-00059Z-RB; Wed, 25 Aug 2021 13:57:07 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1805 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 1mIx99-0000PI-Dm; Wed, 25 Aug 2021 13:57:07 -0400 In-Reply-To: <87fsuxe9j9.fsf@telefonica.net> (message from =?UTF-8?Q?=C3=93scar?= Fuentes on Wed, 25 Aug 2021 19:09:14 +0200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:212667 Archived-At: > From: Óscar Fuentes > Date: Wed, 25 Aug 2021 19:09:14 +0200 > Cc: 50178-done@debbugs.gnu.org > > Gregory Heytings writes: > > > Try emacs -Q, C-h h to see why it is impossible to have "an API that > > returns how many lines fit on a given window". > > Any graphics environment worth its salt has methods for measuring > whatever object without actually rendering it. So does Emacs: that's what window-text-pixel-size does. > If an integer, it specifies the maximum height in units of the > mini-window frame’s default font’s height. > " > > Why that was implemented that way? (instead of using pixels, for > instance.) Because in most cases it's more useful: it approximates the actual number of lines quite well.