From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Performance degradation from long lines Date: Sat, 27 Oct 2018 18:15:58 -0400 Message-ID: References: <665d5f3d84c071632f87f66ffedb6aed@webmail.orcon.net.nz> <9306f417-e1ea-5e23-5d92-53e3988baacb@orcon.net.nz> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1540678470 7014 195.159.176.226 (27 Oct 2018 22:14:30 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 27 Oct 2018 22:14:30 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Oct 28 00:14:26 2018 Return-path: Envelope-to: ged-emacs-devel@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 1gGWqf-0001kJ-Ps for ged-emacs-devel@m.gmane.org; Sun, 28 Oct 2018 00:14:25 +0200 Original-Received: from localhost ([::1]:37981 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gGWsm-00055w-6f for ged-emacs-devel@m.gmane.org; Sat, 27 Oct 2018 18:16:36 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45025) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gGWsc-00055h-Ug for emacs-devel@gnu.org; Sat, 27 Oct 2018 18:16:30 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gGWsN-0002l8-O6 for emacs-devel@gnu.org; Sat, 27 Oct 2018 18:16:19 -0400 Original-Received: from [195.159.176.226] (port=53659 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gGWsM-0002jX-QB for emacs-devel@gnu.org; Sat, 27 Oct 2018 18:16:11 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1gGWqD-0001Er-Op for emacs-devel@gnu.org; Sun, 28 Oct 2018 00:13:57 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 17 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:rqfOUnqw2puqlY1i6BexZMojzpU= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:230738 Archived-At: >>> I was unsure from the outset whether it was appropriate for a GNU >>> ELPA package to make explicit reference to packages which were not >>> available in core or through GNU ELPA, so I'm already aware of a It's perfectly OK to mention (e.g. test for equality and such) pretty much any Elisp package (assuming it's Free Software). When introducing such a blacklist of modes, it's always good to also add some way for a mode to voluntarily flag itself as "black", so the list has a chance to shrink over time. E.g. we could add a symbol property `slow-on-long-lines` which font-lock-mode could set to announce that it assumes lines aren't terribly long. Stefan