From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bidi,gmane.emacs.devel Subject: Re: Re: Handling invisible text in bidirectional display Date: Mon, 18 Jan 2010 03:52:00 -0500 Message-ID: References: <83y6jyat25.fsf@gnu.org> <87eilpzwrs.fsf@lola.goethe.zz> <83vdf1bxbg.fsf@gnu.org> <833a248r8i.fsf@gnu.org> <873a24zdsw.fsf@lola.goethe.zz> <831vho8nfl.fsf@gnu.org> <87vdezykuq.fsf@lola.goethe.zz> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: ger.gmane.org 1263805454 8481 80.91.229.12 (18 Jan 2010 09:04:14 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 18 Jan 2010 09:04:14 +0000 (UTC) Cc: emacs-bidi@gnu.org, emacs-devel@gnu.org To: David Kastrup Original-X-From: emacs-bidi-bounces+gnu-emacs-bidi=m.gmane.org@gnu.org Mon Jan 18 10:04:07 2010 Return-path: Envelope-to: gnu-emacs-bidi@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1NWnWo-0005T1-LM for gnu-emacs-bidi@m.gmane.org; Mon, 18 Jan 2010 10:04:07 +0100 Original-Received: from localhost ([127.0.0.1]:38397 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NWnWp-0007oG-JM for gnu-emacs-bidi@m.gmane.org; Mon, 18 Jan 2010 04:04:07 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NWnWa-0007Zl-RJ for emacs-bidi@gnu.org; Mon, 18 Jan 2010 04:03:52 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NWnWV-0007T7-DS for emacs-bidi@gnu.org; Mon, 18 Jan 2010 04:03:51 -0500 Original-Received: from [199.232.76.173] (port=33956 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NWnWU-0007Sl-EI; Mon, 18 Jan 2010 04:03:46 -0500 Original-Received: from fencepost.gnu.org ([140.186.70.10]:34751) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NWnWT-0005do-Nz; Mon, 18 Jan 2010 04:03:45 -0500 Original-Received: from eliz by fencepost.gnu.org with local (Exim 4.69) (envelope-from ) id 1NWnL6-0008Rs-3X; Mon, 18 Jan 2010 03:52:00 -0500 In-reply-to: <87vdezykuq.fsf@lola.goethe.zz> (message from David Kastrup on Mon, 18 Jan 2010 07:42:53 +0100) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: emacs-bidi@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussion of Emacs support for multi-directional text." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-bidi-bounces+gnu-emacs-bidi=m.gmane.org@gnu.org Errors-To: emacs-bidi-bounces+gnu-emacs-bidi=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bidi:457 gmane.emacs.devel:120188 Archived-At: > From: David Kastrup > Date: Mon, 18 Jan 2010 07:42:53 +0100 > Cc: emacs-devel@gnu.org > > Eli Zaretskii writes: > > >> From: David Kastrup > >> > >> There also is a difference between invisibility and display properties > >> here: if there is a display property on a letter "x", it is hard to see > >> why several consecutive images should be reordered to be L->R. Of > >> course, one should argue that in the presence of L->R, people should > >> take care to use the right "shadowed" character to match the intended > >> left/rightness of the image. But I think that is not really sane. If > >> we want display property material to have an explicit direction, it > >> should be set with properties, not by some magic derivation from the > >> underlying invisible text. > > > > I don't understand the use-case, and without it this reads like a > > charade (what "x"? which "shadowed" characters? what images?). Please > > show a complete example, then I'll be able to reason about it. > > Just find some JPG file into an Emacs buffer and look at the underlying > presentation. If you are talking about a display property whose value is an image, then the discussion until now in this thread did not cover that use-case. At least what I wrote did not cover it. I was talking only about display properties whose value is a string.