From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: visible-whitespace-mode Date: Fri, 10 Jun 2022 09:20:44 -0400 Message-ID: References: <8735geq642.fsf@web.de> <_NGmXx01ZtlZlM3dAi741ES6SNZ2yb0ZUO06qSfl-cMUMmJpgFoq3s7xDAQfsOjkTxvMByoLKtyD54PlNSagsFQzPsQL4wm1n_BEWK83WMY=@protonmail.com> <87sfodpuql.fsf@web.de> <87fskcq3lb.fsf@web.de> Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25700"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:GWqBegcuf8F0R4IHorG9BQmqp58= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jun 10 15:21:56 2022 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 1nzeaK-0006M8-5v for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 10 Jun 2022 15:21:56 +0200 Original-Received: from localhost ([::1]:39726 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nzeaJ-0005Pd-13 for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 10 Jun 2022 09:21:55 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:32976) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nzeZK-0005BD-Br for help-gnu-emacs@gnu.org; Fri, 10 Jun 2022 09:20:54 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:47364) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nzeZI-0006uA-Vx for help-gnu-emacs@gnu.org; Fri, 10 Jun 2022 09:20:54 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nzeZG-0004vD-Hc for help-gnu-emacs@gnu.org; Fri, 10 Jun 2022 15:20:50 +0200 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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:137609 Archived-At: Michael Heerdegen [2022-06-10 11:18:08] wrote: > goncholden writes: >> Invalid read syntax: ? > > | (?\t [?» ?\t] [?\\ ?\t]) > | (? [?·] [?.]) > ^^^ > > ?» and ?· are syntactically invalid (two non-whitespace characters > follow the "?"). Which characters do you want to specify? This looks like utf-8 encoded text mis-decoded with the latin-1 coding-system: (decode-coding-string (encode-coding-string "[?» ?\\t]" 'latin-1) 'utf-8) ==> "[?» ?\t]" (decode-coding-string (encode-coding-string "[?·]" 'latin-1) 'utf-8)" ==> "[?·] -- Stefan