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: Fri, 04 Feb 2022 09:07:54 +0200 Message-ID: <83zgn72jp1.fsf@gnu.org> References: <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> <83zgna7hyd.fsf@gnu.org> <83ee4l78rw.fsf@gnu.org> <87ee4jhezi.fsf@logand.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17858"; mail-complaints-to="usenet@ciao.gmane.io" Cc: psainty@orcon.net.nz, luangruo@yahoo.com, kevin.legouguec@gmail.com, rms@gnu.org, emacs-devel@gnu.org To: Tomas Hlavaty Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Feb 04 09:06:24 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 1nFtbr-0004Tn-3F for ged-emacs-devel@m.gmane-mx.org; Fri, 04 Feb 2022 09:06:23 +0100 Original-Received: from localhost ([::1]:47016 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nFtbp-0000Z3-52 for ged-emacs-devel@m.gmane-mx.org; Fri, 04 Feb 2022 03:06:21 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:36498) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nFshQ-0007nK-MQ for emacs-devel@gnu.org; Fri, 04 Feb 2022 02:08:09 -0500 Original-Received: from [2001:470:142:3::e] (port=43634 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 1nFshN-0007ro-C2; Fri, 04 Feb 2022 02:08:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=UfUl9Byn6CYoqd7PImiCbQU23SvlVYJzv+OkvVocaNE=; b=ipT0VsYvjKVh7Vgt8iN0 upLPx4EERvBp81/n6yXdmo9+Sk7PAtd5IEEhDvR9P9Itwqa/FzhUcqq/1ChE7aK2xeuKFVp1f1KQp 44Wb1lpLl/3hdkGAoSBF7T78tSFW2yP6JP2wIBYn2HNlYFv6QXRibLqvMDKysrNh2u6M8Zwobisqm RpZoXbYP098A8GyBI+AX5hnQA+x+KZ0v65bT3kz4QDRgRmemxKaKWxXKsq7EpQ3foIn4sstR2tMvK Akw+xn1SC9RTbeOIquKLRxpMluY8B9RMxzD/bejYua92DwQovKSQaVYL7ztsq9KOnGi618u+uGTzc ZEQUsYlAr0hH7A==; Original-Received: from [87.69.77.57] (port=1222 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 1nFsh9-0006Bg-M8; Fri, 04 Feb 2022 02:07:48 -0500 In-Reply-To: <87ee4jhezi.fsf@logand.com> (message from Tomas Hlavaty on Thu, 03 Feb 2022 21:28:17 +0100) 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:285854 Archived-At: > From: Tomas Hlavaty > Cc: psainty@orcon.net.nz, luangruo@yahoo.com, emacs-devel@gnu.org, > kevin.legouguec@gmail.com > Date: Thu, 03 Feb 2022 21:28:17 +0100 > > On Wed 02 Feb 2022 at 23:23, Richard Stallman wrote: > > > > How about using ã¯? > > I see two boxes. > > > Then the natural visual representations would be ă~ (a with breve, > > then tilde) > > I see one box and tilde. The idea, as explained up-thread, is to use only those non-ASCII characters that are supported by the terminal, with a run-time test for each one of them. So if your terminal doesn't support those, they will not be used; latin1-display-ucs-per-lynx will instead use the purely-ASCII emulation.