From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Jason Rumney Newsgroups: gmane.emacs.devel Subject: Re: highlighting non-ASCII characters Date: Wed, 24 Mar 2010 23:06:48 +0800 Message-ID: <87pr2tiws7.fsf@home.jasonrumney.net> References: <87sk7vllgj.fsf@mail.jurta.org> <87hbo81onq.fsf@lifelogs.com> <87k4t4zb5l.fsf@lifelogs.com> <87r5ncxp4z.fsf@lifelogs.com> <87hbo8tf4i.fsf@turtle.gmx.de> <87hbo8xis5.fsf@lifelogs.com> <87aau0t7uy.fsf@turtle.gmx.de> <87sk7svyam.fsf@lifelogs.com> <87vdcngws4.fsf@mail.jurta.org> <8739zryv6l.fsf_-_@lifelogs.com> <6932BBFEB09A4BA09156ED7F598569CE@us.oracle.com> <87pr2uv8e1.fsf@lifelogs.com> <83iq8mgxjw.fsf@gnu.org> <4BA99FA5.2030902@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1269444729 30151 80.91.229.12 (24 Mar 2010 15:32:09 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 24 Mar 2010 15:32:09 +0000 (UTC) Cc: Eli Zaretskii , tzz@lifelogs.com, emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Mar 24 16:32:04 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1NuSYZ-0001JR-HH for ged-emacs-devel@m.gmane.org; Wed, 24 Mar 2010 16:32:02 +0100 Original-Received: from localhost ([127.0.0.1]:56014 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NuSYN-0007so-3F for ged-emacs-devel@m.gmane.org; Wed, 24 Mar 2010 11:31:31 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NuSAy-0006wX-Ho for emacs-devel@gnu.org; Wed, 24 Mar 2010 11:07:20 -0400 Original-Received: from [140.186.70.92] (port=53516 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NuSAw-0006vp-TZ for emacs-devel@gnu.org; Wed, 24 Mar 2010 11:07:20 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1NuSAv-0001Pw-C0 for emacs-devel@gnu.org; Wed, 24 Mar 2010 11:07:18 -0400 Original-Received: from mail-fx0-f225.google.com ([209.85.220.225]:45509) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NuSAg-0001Mc-HD; Wed, 24 Mar 2010 11:07:02 -0400 Original-Received: by fxm25 with SMTP id 25so2996fxm.26 for ; Wed, 24 Mar 2010 08:07:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:received:from:to:cc :subject:references:date:in-reply-to:message-id:user-agent :mime-version:content-type; bh=UeYFkKfL2xb+hMKc1NpaQjXE1aVuIhjbWk+1H99TqG4=; b=MHoQ2Jb9bTlknxPowY1mkW/QKp9zjvyO07tNp0Cax+E5kpBSZayX8qPlu6aYRtYTOg xcOc1emqFv/WzDIUWe0F46NCDLPUTr+Bz7WCeEwCjo71VredwLbQAJ5ni9OHC8F1Onds G2jRUXh17bgkVjIylhhEhOo2WuiMziiKV6moU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; b=nFkxVsN5MSSrn9aWUX50KH0vQ+ZCu5hLuAuksqo8YDWMd29HBUuTM+alDjkM/lLE3o 4OwUJrWrrmCAq3a8U0Cw0YN7UKBUUIs8YPOg61g0jWqFsR8KGict3tnS3ra2VSYcPOPj frryk0qlTJzbSQ/1HpQY4JiGaujtdODAoQjbE= Original-Received: by 10.223.4.145 with SMTP id 17mr10235556far.17.1269443221595; Wed, 24 Mar 2010 08:07:01 -0700 (PDT) Original-Received: from home.jasonrumney.net ([202.87.221.133]) by mx.google.com with ESMTPS id 16sm103436fxm.8.2010.03.24.08.06.52 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 24 Mar 2010 08:06:56 -0700 (PDT) Original-Received: by home.jasonrumney.net (Postfix, from userid 1000) id 8E29D57F; Wed, 24 Mar 2010 23:06:48 +0800 (MYT) In-Reply-To: (Stefan Monnier's message of "Wed, 24 Mar 2010 09:25:40 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:122609 Archived-At: Stefan Monnier writes: >> There is no single heuristic that can be used to identify >> "suspicious" characters. > > Maybe within the scope of "social engineering attacks where some text > (e.g. a host name) looks like something well-known but actually uses > funny Unicode chars", some people have come up with something like > a list of known problems (typically Unicode points that are usually > displayed identically). Yes, within that context suspicious has a clear enough meaning. But the cases others were discussing seemed more like cases of mismatched encodings that they wanted to be flagged more obviously.