From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#36472: 27.0.50; Convey information by showing line numbers using different colors? Date: Tue, 02 Jul 2019 18:38:18 +0300 Message-ID: <835zoke9at.fsf@gnu.org> References: <83blycecf7.fsf@gnu.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="109870"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 36472@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jul 02 19:28:08 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hiMZc-000SQ1-97 for geb-bug-gnu-emacs@m.gmane.org; Tue, 02 Jul 2019 19:28:08 +0200 Original-Received: from localhost ([::1]:55604 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiMZb-00068J-2u for geb-bug-gnu-emacs@m.gmane.org; Tue, 02 Jul 2019 13:28:07 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38617) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiKs3-0003ND-1z for bug-gnu-emacs@gnu.org; Tue, 02 Jul 2019 11:39:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hiKs2-0008TW-4Y for bug-gnu-emacs@gnu.org; Tue, 02 Jul 2019 11:39:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:38877) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hiKs1-0008TD-Vh for bug-gnu-emacs@gnu.org; Tue, 02 Jul 2019 11:39:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hiKs1-0008SA-Ob for bug-gnu-emacs@gnu.org; Tue, 02 Jul 2019 11:39:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 02 Jul 2019 15:39:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36472 X-GNU-PR-Package: emacs Original-Received: via spool by 36472-submit@debbugs.gnu.org id=B36472.156208192332470 (code B ref 36472); Tue, 02 Jul 2019 15:39:01 +0000 Original-Received: (at 36472) by debbugs.gnu.org; 2 Jul 2019 15:38:43 +0000 Original-Received: from localhost ([127.0.0.1]:47698 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hiKrh-0008Rc-M9 for submit@debbugs.gnu.org; Tue, 02 Jul 2019 11:38:43 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:54380) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hiKrg-0008RQ-1K for 36472@debbugs.gnu.org; Tue, 02 Jul 2019 11:38:40 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:51310) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hiKra-00084e-KM; Tue, 02 Jul 2019 11:38:34 -0400 Original-Received: from [176.228.60.248] (port=4808 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hiKrZ-0001NV-Gv; Tue, 02 Jul 2019 11:38:33 -0400 In-reply-to: (message from Dmitry Gutov on Tue, 2 Jul 2019 18:09:01 +0300) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:161966 Archived-At: > Cc: 36472@debbugs.gnu.org > From: Dmitry Gutov > Date: Tue, 2 Jul 2019 18:09:01 +0300 > > On 02.07.2019 17:30, Eli Zaretskii wrote: > > > I wouldn't hold my breath, because this will mean any display routine > that calculates layout will have to call some non-trivial Lisp, > possibly even running a subprocess. > > Not really. In my use case it would only look up overlays on the lines > corresponding to the numbers. I don't understand: who would need to look up overlays? And how will "it" know that it needs to look up overlays? IOW, I don't think I understand the API you had in mind. You originally said "a hook", which implies the display engine would call a hook variable, but now it sounds like you had something else in mind.