From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Kenichi Handa Newsgroups: gmane.emacs.devel Subject: Re: bidi and shaping problems in describe-input-method Date: Fri, 09 Mar 2012 08:19:20 +0900 Message-ID: <87d38mwuiv.fsf@m17n.org> References: <83haxz0wtg.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1331248799 32122 80.91.229.3 (8 Mar 2012 23:19:59 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 8 Mar 2012 23:19:59 +0000 (UTC) Cc: list-general@mohsen.1.banan.byname.net, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Mar 09 00:19:56 2012 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1S5mcm-0003qH-04 for ged-emacs-devel@m.gmane.org; Fri, 09 Mar 2012 00:19:56 +0100 Original-Received: from localhost ([::1]:36299 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S5mck-0008EZ-Tf for ged-emacs-devel@m.gmane.org; Thu, 08 Mar 2012 18:19:54 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:47040) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S5mch-0008Dq-FB for emacs-devel@gnu.org; Thu, 08 Mar 2012 18:19:52 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S5mcf-0000bC-9t for emacs-devel@gnu.org; Thu, 08 Mar 2012 18:19:51 -0500 Original-Received: from mx1.aist.go.jp ([150.29.246.133]:33957) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S5mce-0000aY-Pm; Thu, 08 Mar 2012 18:19:49 -0500 Original-Received: from rqsmtp2.aist.go.jp (rqsmtp2.aist.go.jp [150.29.254.123]) by mx1.aist.go.jp with ESMTP id q28NJiIq021081; Fri, 9 Mar 2012 08:19:44 +0900 (JST) env-from (handa@m17n.org) Original-Received: from smtp4.aist.go.jp by rqsmtp2.aist.go.jp with ESMTP id q28NJiCp016756; Fri, 9 Mar 2012 08:19:44 +0900 (JST) env-from (handa@m17n.org) Original-Received: by smtp4.aist.go.jp with ESMTP id q28NJhDI008904; Fri, 9 Mar 2012 08:19:43 +0900 (JST) env-from (handa@m17n.org) In-Reply-To: <83haxz0wtg.fsf@gnu.org> (message from Eli Zaretskii on Thu, 08 Mar 2012 20:30:51 +0200) X-detected-operating-system: by eggs.gnu.org: Solaris 9 X-Received-From: 150.29.246.133 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:148938 Archived-At: In article <83haxz0wtg.fsf@gnu.org>, Eli Zaretskii writes: > > If we insert something unconditionally, I think inserting > > (propertize " " 'invisible t) is safer. > Unfortunately, this doesn't work: invisible characters are not handed > to the shaping engine, they are silently skipped by the display > engine. So the characters are still joined. No, the shaping engine checks buffer/string contents. So, if there's a space between A and B, the rule for shaping AB sequence is not activated. Please try these two: (insert #x642 #x64C) (insert #x642 (propertize " " 'invisible t) #x64C) --- Kenichi Handa handa@m17n.org