From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Kenichi Handa Newsgroups: gmane.emacs.bidi,gmane.emacs.devel Subject: Re: Re: Arabic support Date: Wed, 01 Sep 2010 14:06:55 +0900 Message-ID: References: <83bp8oml9c.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1283317640 23829 80.91.229.12 (1 Sep 2010 05:07:20 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 1 Sep 2010 05:07:20 +0000 (UTC) Cc: emacs-bidi@gnu.org, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-bidi-bounces+gnu-emacs-bidi=m.gmane.org@gnu.org Wed Sep 01 07:07:19 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 4.69) (envelope-from ) id 1OqfXZ-0008CV-Vw for gnu-emacs-bidi@m.gmane.org; Wed, 01 Sep 2010 07:07:18 +0200 Original-Received: from localhost ([127.0.0.1]:48098 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OqfXZ-0007rR-BR for gnu-emacs-bidi@m.gmane.org; Wed, 01 Sep 2010 01:07:17 -0400 Original-Received: from [140.186.70.92] (port=55157 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OqfXS-0007r9-8d for emacs-bidi@gnu.org; Wed, 01 Sep 2010 01:07:15 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OqfXN-0006oH-7E for emacs-bidi@gnu.org; Wed, 01 Sep 2010 01:07:10 -0400 Original-Received: from mx1.aist.go.jp ([150.29.246.133]:60827) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OqfXH-0006mn-6O; Wed, 01 Sep 2010 01:06:59 -0400 Original-Received: from rqsmtp2.aist.go.jp (rqsmtp2.aist.go.jp [150.29.254.123]) by mx1.aist.go.jp with ESMTP id o8156uoM011406; Wed, 1 Sep 2010 14:06:56 +0900 (JST) env-from (handa@m17n.org) Original-Received: from smtp4.aist.go.jp by rqsmtp2.aist.go.jp with ESMTP id o8156tg8017678; Wed, 1 Sep 2010 14:06:55 +0900 (JST) env-from (handa@m17n.org) Original-Received: by smtp4.aist.go.jp with ESMTP id o8156tfn015645; Wed, 1 Sep 2010 14:06:55 +0900 (JST) env-from (handa@m17n.org) Original-Received: from handa by etlken with local (Exim 4.71) (envelope-from ) id 1OqfXD-0006UI-IJ; Wed, 01 Sep 2010 14:06:55 +0900 In-Reply-To: (message from Eli Zaretskii on Wed, 01 Sep 2010 00:58:59 -0400) X-detected-operating-system: by eggs.gnu.org: Solaris 9 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:787 gmane.emacs.devel:129530 Archived-At: In article , Eli Zaretskii writes: > > In Emacs, the column number affects when a user types C-n > > (or C-p) to go to (roughly) the same x-position of the next > > (or previous) line. So, the column number should reflects > > the x-position, and for that, zero-width combining > > characters should not be counted into the column number. > But does the implementation of current-column, move-to-column and > friends support that? Perhaps I'm missing something, but my reading > of current_column_1 and its subroutines is that it only supports > display strings, composed characters, and display tables. Do > zero-width characters use any of these mechanisms? Those functions basically uses char-width-table to get width-in-column of each character, and zero-width combining characters have 0 in that table. --- Kenichi Handa handa@m17n.org