From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: Emacs pretest: highlight line number in display-line-numbers-mode? Date: Fri, 20 Oct 2017 17:49:25 +0300 Message-ID: <83h8utdgcq.fsf@gnu.org> References: > <87a80ntah3.fsf@gmail.com> <25a064f1-c267-49f7-a8de-b28baee928ac@default>> <834lquew6p.fsf@gnu.org>> <0da3bf1b-7d66-4462-8097-e9afe759e99d@default> <83376ee39c.fsf@gnu.org> <87mv4mexpo.fsf@gmail.com> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1508511015 22226 195.159.176.226 (20 Oct 2017 14:50:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 20 Oct 2017 14:50:15 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Oct 20 16:50:10 2017 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e5Ycb-0003pZ-2j for geh-help-gnu-emacs@m.gmane.org; Fri, 20 Oct 2017 16:50:01 +0200 Original-Received: from localhost ([::1]:54332 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e5Ycg-0007tU-Q2 for geh-help-gnu-emacs@m.gmane.org; Fri, 20 Oct 2017 10:50:06 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55186) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e5YcF-0007sn-0N for help-gnu-emacs@gnu.org; Fri, 20 Oct 2017 10:49:39 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e5YcA-0006di-4Q for help-gnu-emacs@gnu.org; Fri, 20 Oct 2017 10:49:39 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:36536) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e5YcA-0006de-0R for help-gnu-emacs@gnu.org; Fri, 20 Oct 2017 10:49:34 -0400 Original-Received: from [176.228.60.248] (port=2653 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1e5Yc9-0002z4-87 for help-gnu-emacs@gnu.org; Fri, 20 Oct 2017 10:49:33 -0400 In-reply-to: <87mv4mexpo.fsf@gmail.com> (message from Robert Pluim on Fri, 20 Oct 2017 15:49:07 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:114588 Archived-At: > From: Robert Pluim > Cc: help-gnu-emacs@gnu.org > Date: Fri, 20 Oct 2017 15:49:07 +0200 > > nlinum-mode has an option to highlight the current line, disabled by > default So does display-line-numbers-mode, by way of the line-number-current-line face. Or am I missing something? > I'd vote for having the current line face have a background colour > set. By default? Why do you need it by default? What's wrong with lettng users customize that as they see fit? > Calculating line numbers is going to slow things down anyway It doesn't. I measured it. And there's no reason why it should slow down, because the line numbers are computed on the fly, as the lines are laid out for display.