From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: bidi and shaping problems in describe-input-method Date: Thu, 08 Mar 2012 20:53:32 +0200 Message-ID: <83fwdi2ac3.fsf@gnu.org> References: <87fwdjw1ny.fsf@m17n.org> <83haxz0wtg.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: dough.gmane.org 1331232854 7165 80.91.229.3 (8 Mar 2012 18:54:14 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 8 Mar 2012 18:54:14 +0000 (UTC) Cc: list-general@mohsen.1.banan.byname.net, emacs-devel@gnu.org To: handa@m17n.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Mar 08 19:54:12 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 1S5iTW-0005uB-DR for ged-emacs-devel@m.gmane.org; Thu, 08 Mar 2012 19:54:06 +0100 Original-Received: from localhost ([::1]:58392 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S5iTV-0002bB-PP for ged-emacs-devel@m.gmane.org; Thu, 08 Mar 2012 13:54:05 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:44724) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S5iTP-0002ax-JG for emacs-devel@gnu.org; Thu, 08 Mar 2012 13:54:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S5iTN-0006yC-G5 for emacs-devel@gnu.org; Thu, 08 Mar 2012 13:53:59 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:58284) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S5iTN-0006wH-7n for emacs-devel@gnu.org; Thu, 08 Mar 2012 13:53:57 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0M0K00K00XNVTC00@a-mtaout22.012.net.il> for emacs-devel@gnu.org; Thu, 08 Mar 2012 20:53:29 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([77.124.43.187]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0M0K00KN7XT2J270@a-mtaout22.012.net.il>; Thu, 08 Mar 2012 20:53:27 +0200 (IST) In-reply-to: <83haxz0wtg.fsf@gnu.org> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) X-Received-From: 80.179.55.172 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:148936 Archived-At: > Date: Thu, 08 Mar 2012 20:30:51 +0200 > From: Eli Zaretskii > Cc: list-general@mohsen.1.banan.byname.net, emacs-devel@gnu.org > > > 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. > > We need something smarter here. One obvious possibility is to turn off auto-composition-mode. But when I tried that, unexpected characters showed up in some cells, e.g. in the T cell an in the G cell. I guess some characters shown in the Arabic keyboard layout do need auto-composition-mode?