From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#12254: 24.2; completion fails backward-char Date: Wed, 29 Aug 2012 14:05:19 -0400 Message-ID: References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1346263568 22792 80.91.229.3 (29 Aug 2012 18:06:08 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Aug 2012 18:06:08 +0000 (UTC) Cc: 12254-done@debbugs.gnu.org To: Leo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Aug 29 20:06:08 2012 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 1T6meV-0005u8-VL for geb-bug-gnu-emacs@m.gmane.org; Wed, 29 Aug 2012 20:06:08 +0200 Original-Received: from localhost ([::1]:60352 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T6meT-0003mS-HF for geb-bug-gnu-emacs@m.gmane.org; Wed, 29 Aug 2012 14:06:05 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:53995) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T6meN-0003kg-2c for bug-gnu-emacs@gnu.org; Wed, 29 Aug 2012 14:06:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1T6meL-0007so-Qy for bug-gnu-emacs@gnu.org; Wed, 29 Aug 2012 14:05:59 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:46746) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T6meL-0007sh-Nn for bug-gnu-emacs@gnu.org; Wed, 29 Aug 2012 14:05:57 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1T6mfO-00014F-Lh for bug-gnu-emacs@gnu.org; Wed, 29 Aug 2012 14:07:02 -0400 Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: bug-gnu-emacs@gnu.org Resent-Date: Wed, 29 Aug 2012 18:07:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 12254 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: notabug Mail-Followup-To: 12254@debbugs.gnu.org, monnier@iro.umontreal.ca Original-Received: via spool by 12254-done@debbugs.gnu.org id=D12254.13462635924051 (code D ref 12254); Wed, 29 Aug 2012 18:07:02 +0000 Original-Received: (at 12254-done) by debbugs.gnu.org; 29 Aug 2012 18:06:32 +0000 Original-Received: from localhost ([127.0.0.1]:56289 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1T6met-00013H-KZ for submit@debbugs.gnu.org; Wed, 29 Aug 2012 14:06:31 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.182]:27298) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1T6meo-000134-Qd; Wed, 29 Aug 2012 14:06:30 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EAG6Zu09FxIRd/2dsb2JhbABEtBGBCIIVAQEEAVYjBQsLNBIUGA0kiBwFugmQRAOjM4FYgwU X-IronPort-AV: E=Sophos;i="4.75,637,1330923600"; d="scan'208";a="197008340" Original-Received: from 69-196-132-93.dsl.teksavvy.com (HELO pastel.home) ([69.196.132.93]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 29 Aug 2012 14:05:20 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id EEA0859401; Wed, 29 Aug 2012 14:05:19 -0400 (EDT) In-Reply-To: (Leo's message of "Wed, 22 Aug 2012 10:40:25 +0800") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:63585 Archived-At: tags 12254 notabug thanks > (defun b-completion-at-point () > (let ((beg (progn > (skip-syntax-backward "w") > (point))) > (end (progn > (skip-syntax-forward "w") > (point)))) > (list beg end '("IGNORE" "DEBUG" "HELLO")))) This needs to save-excursion. > This is a regression. It doesn't happen in Emacs 23.4. That's only because completion-at-point-functions is used less often so the bug in the above code doesn't bite as often. But your above completion function is already buggy in Emacs-23.4 since it can't complete "IG!R" to "IGNORE", whereas after adding the save-excursion such completion works just fine. Stefan