From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Can watermarking Unicode text using invisible differences sneak through Emacs, or can Emacs detect it? Date: Tue, 01 Feb 2022 16:57:30 +0200 Message-ID: <83zgna7hyd.fsf@gnu.org> References: <87sftk49ih.fsf@yahoo.com> <837dawt0h4.fsf@gnu.org> <838rv9plyf.fsf@gnu.org> <837dasntoj.fsf@gnu.org> <834k5tl4a9.fsf@gnu.org> <87mtjkt6m9.fsf@gmail.com> <83ilu8htws.fsf@gnu.org> <3E718CA2-889F-4AEE-B79C-EB3A221D1CB2@gnu.org> <83o83wc7gs.fsf@gnu.org> <8335l5brov.fsf@gnu.org> <83mtjc838i.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31634"; mail-complaints-to="usenet@ciao.gmane.io" Cc: psainty@orcon.net.nz, luangruo@yahoo.com, kevin.legouguec@gmail.com, emacs-devel@gnu.org To: rms@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Feb 01 18:09:25 2022 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 1nEwei-00082N-Hr for ged-emacs-devel@m.gmane-mx.org; Tue, 01 Feb 2022 18:09:24 +0100 Original-Received: from localhost ([::1]:34414 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nEweg-00017W-SL for ged-emacs-devel@m.gmane-mx.org; Tue, 01 Feb 2022 12:09:22 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:52734) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nEubG-0008D5-63 for emacs-devel@gnu.org; Tue, 01 Feb 2022 09:57:43 -0500 Original-Received: from [2001:470:142:3::e] (port=42692 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nEubC-0003RB-MX; Tue, 01 Feb 2022 09:57:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=ZoemSczKuKwDCkD9gJEhjAVeksoCcxHmbC+kkLgLnqI=; b=DuQ947CRR0Rk 0ob36cbkpGe5lYIClGZPUTDsWkNWA95wZ8wpRHZ8ObDgBER5kGIA384myLgct4Dvcl9K4C2cy+x5y ek7ZO7+dN+2jaQIRVam9FPcnDcIBAxU7wP9ROcq7wY6vqjqWJRajKKsDKpJ2O2Cm0iTi5+ZuYraSu lYUb+pnqsGJmyGAJ0rATMsvWIGmfEAfmgCW21imMPlO81dxBwsVp8j1OjsoVzySn/6UD27zsdh7Dm 1kLfbvqhZmKqgK0fD3XxaFDTB2GSCdwH2/4bQvmzSGiIIjH5i92XAoSSIPStj82uD5OAJdM2mvONU Hlohir8qwApxZ05jTyE4kg==; Original-Received: from [87.69.77.57] (port=3591 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nEub6-0001eJ-5S; Tue, 01 Feb 2022 09:57:33 -0500 In-Reply-To: (message from Richard Stallman on Tue, 01 Feb 2022 00:06:21 -0500) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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:285731 Archived-At: > From: Richard Stallman > Cc: psainty@orcon.net.nz, luangruo@yahoo.com, emacs-devel@gnu.org, > kevin.legouguec@gmail.com > Date: Tue, 01 Feb 2022 00:06:21 -0500 > > > Please try the patch below. > > With that patch, and using latin1-display-ucs-per-lynx, it does display > that character as text. It uses the string `a)?' Actually, it shows a(?. > -- that doesn't seem to make sense to indicate a macron and a tilde, > but at leaset the underlying mechanism seems to work. If you rotate "(?" 90 degrees counter-clockwise, you'll get something resembling the breve and the tilde above it. If you can suggest a better "ASCII art" for this, we could use it. What we have now comes from Lynx, but we aren't wedded to it.