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.help Subject: Re: [External] : Re: Strange whitespaces. Date: Thu, 30 Sep 2021 19:12:39 +0300 Message-ID: <83v92if3ew.fsf@gnu.org> References: <8735pmml4r.fsf@zoho.eu> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21296"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 30 18:27:54 2021 Return-path: Envelope-to: geh-help-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 1mVyuY-0005Ka-4W for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 30 Sep 2021 18:27:54 +0200 Original-Received: from localhost ([::1]:56884 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mVyuW-00022C-RC for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 30 Sep 2021 12:27:52 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46388) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVyfg-00045A-C9 for help-gnu-emacs@gnu.org; Thu, 30 Sep 2021 12:12:32 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:51488) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mVyfg-0002WC-2z for help-gnu-emacs@gnu.org; Thu, 30 Sep 2021 12:12:32 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2096 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 1mVyff-0001XV-4a for help-gnu-emacs@gnu.org; Thu, 30 Sep 2021 12:12:31 -0400 In-Reply-To: (message from Drew Adams on Thu, 30 Sep 2021 15:20:30 +0000) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:133449 Archived-At: > From: Drew Adams > Date: Thu, 30 Sep 2021 15:20:30 +0000 > > > Why are both displayed as red underscores in Emacs? > > I don't think the EN SPACE is displayed that way. > Not with `emacs -Q' (no init file), at least. But > I don't have an Emacs 28 prerelease build - maybe > they changed Emacs 28 to highlight that as well. They did. We now highlight any non-ASCII character whose Unicode general category is "Space Separator" (or Zs for short). That includes EN SPACE. > Note that `nobreak-char-display' highlights all > no-break (aka "hard") characters, not just the > no-break space. IOW, it highlights hard hyphens > (code point 8209) as well as hard spaces. It highlights much more, see above.