From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?=C3=93scar_Fuentes?= Newsgroups: gmane.emacs.devel Subject: Re: minor mode for highlighting character classes such as non-ascii (bug 47455) Date: Tue, 01 Jun 2021 18:32:59 +0200 Message-ID: <878s3tczpg.fsf@telefonica.net> References: <23925.69978.953904.24758@gargle.gargle.HOWL> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31558"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: emacs-devel@gnu.org Cancel-Lock: sha1:8GxX85mekXsAp2/AmhxPVz+IVYQ= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Jun 01 18:34:46 2021 Return-path: Envelope-to: ged-emacs-devel@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 1lo7Lq-0007xJ-Gw for ged-emacs-devel@m.gmane-mx.org; Tue, 01 Jun 2021 18:34:46 +0200 Original-Received: from localhost ([::1]:55962 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lo7Lp-0003pf-KJ for ged-emacs-devel@m.gmane-mx.org; Tue, 01 Jun 2021 12:34:45 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41298) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lo7KJ-0000td-Fj for emacs-devel@gnu.org; Tue, 01 Jun 2021 12:33:11 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:58122) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lo7KH-0006EQ-LL for emacs-devel@gnu.org; Tue, 01 Jun 2021 12:33:11 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1lo7KE-0005Ub-Lw for emacs-devel@gnu.org; Tue, 01 Jun 2021 18:33:06 +0200 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:270218 Archived-At: "Roland Winkler" writes: > In the context of bug 47455 the idea emerged that it can be useful > to have a minor mode that highlights non-ascii characters. I want > to ask hear for feedback: does such a mode already exist? Can it be > useful to have this minor mode more general such that the highlighted > character classes become configurable? Are there possible use cases > for this beyond non-ascii characters? Highlighting characters that does not belong to certain coding system would be useful to me. Sometimes I work on source code encoded as UTF-8 but they must not contain characters not encodable by windows-1252. More precisely, string literals must be composed of characters encodable by windows-1252.