From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#16497: 24.3.50; `move-to-column' ignores invisible text at the beginning of the line, which create problems when using string-rectangle Date: Mon, 20 Jan 2014 21:19:27 +0200 Message-ID: <831u02ihq8.fsf@gnu.org> References: <87ob38gcp1.fsf@bzg.ath.cx> <87wqhv2f27.fsf@bzg.ath.cx> <83d2jmirt1.fsf@gnu.org> <87fvoilhri.fsf@bzg.ath.cx> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1390245617 25306 80.91.229.3 (20 Jan 2014 19:20:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 20 Jan 2014 19:20:17 +0000 (UTC) Cc: 16497@debbugs.gnu.org, bzg@altern.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jan 20 20:20:22 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1W5KOS-0005Aa-OY for geb-bug-gnu-emacs@m.gmane.org; Mon, 20 Jan 2014 20:20:20 +0100 Original-Received: from localhost ([::1]:54229 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W5KOS-0000qj-7a for geb-bug-gnu-emacs@m.gmane.org; Mon, 20 Jan 2014 14:20:20 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44427) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W5KOI-0000iq-DW for bug-gnu-emacs@gnu.org; Mon, 20 Jan 2014 14:20:15 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W5KOA-0000fn-Rk for bug-gnu-emacs@gnu.org; Mon, 20 Jan 2014 14:20:10 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:44698) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W5KOA-0000fV-Of for bug-gnu-emacs@gnu.org; Mon, 20 Jan 2014 14:20:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1W5KOA-0005DH-3Y for bug-gnu-emacs@gnu.org; Mon, 20 Jan 2014 14:20:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 20 Jan 2014 19:20:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16497 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 16497-submit@debbugs.gnu.org id=B16497.139024556219973 (code B ref 16497); Mon, 20 Jan 2014 19:20:02 +0000 Original-Received: (at 16497) by debbugs.gnu.org; 20 Jan 2014 19:19:22 +0000 Original-Received: from localhost ([127.0.0.1]:58717 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W5KNV-0005C3-SI for submit@debbugs.gnu.org; Mon, 20 Jan 2014 14:19:22 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:43054) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W5KNT-0005Bs-T4 for 16497@debbugs.gnu.org; Mon, 20 Jan 2014 14:19:20 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MZP00A00S5I7V00@a-mtaout22.012.net.il> for 16497@debbugs.gnu.org; Mon, 20 Jan 2014 21:19:18 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MZP00AEYSC62940@a-mtaout22.012.net.il>; Mon, 20 Jan 2014 21:19:18 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:83813 Archived-At: > From: Stefan Monnier > Cc: Eli Zaretskii , 16497@debbugs.gnu.org > Date: Mon, 20 Jan 2014 13:14:37 -0500 > > > emacs -Q > > M-: (insert "abc") RET > > C-a > > M-: (put-text-property (point) (1+ (point)) 'invisible t) RET > > C-a > > C-a > > C-a > > > ... ! See the point moving from b to c and back again. > > It's probably due to the post-command processing which tries to move > point outside of invisible regions and to pretend that invisible regions > don't exist at all (and paying attention to stickiness so that it > prefers text positions where `invisible' won't be inherited). Indeed, and the direction where it moves point depends on the previous command and/or movement direction. It's a murky area full of semi-working heuristics.