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: Unicode confusables and reordering characters considered harmful Date: Tue, 02 Nov 2021 16:31:59 +0200 Message-ID: <83y266k4rk.fsf@gnu.org> References: <875ytag0hb.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7901"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org, mail@vasilij.de To: Po Lu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Nov 02 15:53:35 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 1mhvAN-0001uL-C5 for ged-emacs-devel@m.gmane-mx.org; Tue, 02 Nov 2021 15:53:35 +0100 Original-Received: from localhost ([::1]:41830 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mhvAM-00036l-AR for ged-emacs-devel@m.gmane-mx.org; Tue, 02 Nov 2021 10:53:34 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49364) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mhupZ-0001lY-BE for emacs-devel@gnu.org; Tue, 02 Nov 2021 10:32:06 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:41268) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mhupY-0007bI-09; Tue, 02 Nov 2021 10:32:05 -0400 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=BYckGWB9DaTzVEcWIXnARdzLVepJ653+c2vAmWHjd4Q=; b=RjiOqYsZHznb dkgjpKOrlfah7vTTohLrYKB8D2cCnS2LGMLZ01n1khPuPGrnkHrGKNTSCZEAaZRFxL1RmQzdkjMcN UmwpXkXwiGJG6eLULFQxoxa5CfAQkBAXe+lKy77fN9v1cb/bGX0SdjIzFEOezjM3gN5z7WuIdHA2F 8cvEXBk/Rz7iE5AZmXBdWM++FHzh1cZICDs2mO372KRzIhwxuVBwPY/r+L2oZ/npDMO4vsEFoSiAo PaTQFdSr7dz74sZI6qKQfsl1aCYwjwyyL/gzOQR7Pd2WkJj2RGJh9znHzRDvlN8pqBDYuU3thpBfy ayGAIGE3laiVMUmZUqwJ8g==; Original-Received: from [87.69.77.57] (port=3521 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 1mhupX-0006jM-Fo; Tue, 02 Nov 2021 10:32:03 -0400 In-Reply-To: <875ytag0hb.fsf@yahoo.com> (message from Po Lu on Tue, 02 Nov 2021 21:18:08 +0800) 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:278487 Archived-At: > From: Po Lu > Cc: emacs-devel@gnu.org > Date: Tue, 02 Nov 2021 21:18:08 +0800 > > Vasilij Schneidermann writes: > > > The first issue is about bidirectional reordering characters. If bidi > > text rendering is not needed, it's easy enough to work around with > > `(setq-default bidi-display-reordering nil)`. Some people already make > > use of this to speed up redisplay. Maybe there's a better solution, such > > as automatically detecting whether the user is working with a RTL script > > and only then enable bidi text rendering. > > Isn't bidi-display-ordering obsolete and present only as a debugging > option? It is. But this is a free world: people are free to do whatever they want (to their cost), and we cannot stop them from doing that.