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#16129: 24.3.50; Emacs slow with follow-mode when buffer ends before last window Date: Thu, 16 Jan 2014 09:42:21 -0500 Message-ID: References: <83bnzpu622.fsf@gnu.org> <8338l1t6ip.fsf@gnu.org> <83vbxsb2t6.fsf@gnu.org> <83k3e7br26.fsf@gnu.org> <83eh4b7t8f.fsf@gnu.org> <838uui5y4e.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1389883399 6674 80.91.229.3 (16 Jan 2014 14:43:19 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 16 Jan 2014 14:43:19 +0000 (UTC) Cc: 16129@debbugs.gnu.org To: Anders Lindgren Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jan 16 15:43:25 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 1W3oAC-0004GK-OW for geb-bug-gnu-emacs@m.gmane.org; Thu, 16 Jan 2014 15:43:20 +0100 Original-Received: from localhost ([::1]:33071 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W3oAC-0002dk-DG for geb-bug-gnu-emacs@m.gmane.org; Thu, 16 Jan 2014 09:43:20 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41604) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W3oA2-0002dN-Bn for bug-gnu-emacs@gnu.org; Thu, 16 Jan 2014 09:43:17 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W3o9v-0008Se-1g for bug-gnu-emacs@gnu.org; Thu, 16 Jan 2014 09:43:10 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:39065) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W3o9u-0008SO-UH for bug-gnu-emacs@gnu.org; Thu, 16 Jan 2014 09:43:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1W3o9u-0002fH-DF for bug-gnu-emacs@gnu.org; Thu, 16 Jan 2014 09:43:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 16 Jan 2014 14:43:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16129 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 16129-submit@debbugs.gnu.org id=B16129.138988334510191 (code B ref 16129); Thu, 16 Jan 2014 14:43:02 +0000 Original-Received: (at 16129) by debbugs.gnu.org; 16 Jan 2014 14:42:25 +0000 Original-Received: from localhost ([127.0.0.1]:53084 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W3o9I-0002eI-53 for submit@debbugs.gnu.org; Thu, 16 Jan 2014 09:42:24 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:60360) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W3o9G-0002eA-Sz for 16129@debbugs.gnu.org; Thu, 16 Jan 2014 09:42:23 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av8EABK/CFFMCoyj/2dsb2JhbABEuzWDWRdzgh4BAQQBViMFCwsOJhIUGA0kiB4GwS2RCgOIYZwZgV6DFQ X-IPAS-Result: Av8EABK/CFFMCoyj/2dsb2JhbABEuzWDWRdzgh4BAQQBViMFCwsOJhIUGA0kiB4GwS2RCgOIYZwZgV6DFQ X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="45103613" Original-Received: from 76-10-140-163.dsl.teksavvy.com (HELO pastel.home) ([76.10.140.163]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 16 Jan 2014 09:42:22 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id D410060073; Thu, 16 Jan 2014 09:42:21 -0500 (EST) In-Reply-To: (Anders Lindgren's message of "Thu, 16 Jan 2014 13:24:16 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) 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:83592 Archived-At: > Great. I would suggest that it should be implemented so that the actual > test could be written in elisp. Yes, clearly. > In the Follow mode case, the test should be that the buffer is in > Follow mode and that it's not the first window. If we can avoid running Elisp code redisplay, it's always better. So since the behavior is not the same for all windows of a buffer, maybe a window-parameter is a better option than a buffer-local value. > In the simplest form it could be a symbol, nil for "no", t for "yes", and > for all other cases call the function it is bound to. Of course, one could > make it into a hook, so that more than one mode could have a say, but I > think that might be overengineering it a bit... A single function is sufficient since you can "share" it with add-function. Stefan