From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: comint-preoutput-filter-functions and flickering redisplay in TTY Date: Wed, 04 Jun 2014 08:30:58 -0400 Message-ID: References: <87r4366w66.fsf@fx.delysid.org> <87vbsigou7.fsf@geodiff-mac3.ulb.ac.be> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1401885112 28771 80.91.229.3 (4 Jun 2014 12:31:52 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 4 Jun 2014 12:31:52 +0000 (UTC) Cc: Mario Lang , emacs-devel@gnu.org To: Nicolas Richard Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jun 04 14:31:45 2014 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 1WsAM3-0005WN-En for ged-emacs-devel@m.gmane.org; Wed, 04 Jun 2014 14:31:43 +0200 Original-Received: from localhost ([::1]:60616 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WsAM2-00026R-Oy for ged-emacs-devel@m.gmane.org; Wed, 04 Jun 2014 08:31:42 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49464) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WsALp-0001mk-Au for emacs-devel@gnu.org; Wed, 04 Jun 2014 08:31:37 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WsALf-0002jZ-RN for emacs-devel@gnu.org; Wed, 04 Jun 2014 08:31:29 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:63756) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WsALf-0002jK-NG for emacs-devel@gnu.org; Wed, 04 Jun 2014 08:31:19 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArUGAIDvNVPO+IOj/2dsb2JhbABZgwaDSsA9gRcXdIImAQEEViMQCzQSFBgNJIgM0hkXjnoHhDgBA6kZgWqDTCE X-IPAS-Result: ArUGAIDvNVPO+IOj/2dsb2JhbABZgwaDSsA9gRcXdIImAQEEViMQCzQSFBgNJIgM0hkXjnoHhDgBA6kZgWqDTCE X-IronPort-AV: E=Sophos;i="4.97,753,1389762000"; d="scan'208";a="65662584" Original-Received: from 206-248-131-163.dsl.teksavvy.com (HELO pastel.home) ([206.248.131.163]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 04 Jun 2014 08:31:18 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 7CAD460126; Wed, 4 Jun 2014 08:30:58 -0400 (EDT) In-Reply-To: <87vbsigou7.fsf@geodiff-mac3.ulb.ac.be> (Nicolas Richard's message of "Tue, 03 Jun 2014 14:27:44 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.181 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:172327 Archived-At: > - (recenter)) > + (when (eq (window-buffer (selected-window)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aka (window-buffer) > + (current-buffer)) > + (recenter))) Looks like you found a bug here indeed. FWIW, we fixed a similar bug a while ago elsewhere. I think maybe `recenter' should signal an error if (window-buffer) is different from (current-buffer) to help us catch those problem. Stefan