From debbugs-submit-bounces@debbugs.gnu.org Mon Jan 04 04:51:07 2016 Received: (at submit) by debbugs.gnu.org; 4 Jan 2016 09:51:07 +0000 Received: from localhost ([127.0.0.1]:37129 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aG1n5-000251-PZ for submit@debbugs.gnu.org; Mon, 04 Jan 2016 04:51:07 -0500 Received: from eggs.gnu.org ([208.118.235.92]:51983) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aG1n4-00024L-44 for submit@debbugs.gnu.org; Mon, 04 Jan 2016 04:51:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aG1mx-0004aP-S4 for submit@debbugs.gnu.org; Mon, 04 Jan 2016 04:50:56 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_40 autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:53885) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aG1mx-0004aL-Ot for submit@debbugs.gnu.org; Mon, 04 Jan 2016 04:50:55 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42935) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aG1mw-0007YJ-Qi for bug-gnu-emacs@gnu.org; Mon, 04 Jan 2016 04:50:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aG1ms-0004Yt-Os for bug-gnu-emacs@gnu.org; Mon, 04 Jan 2016 04:50:54 -0500 Received: from olive.lsv.fr ([138.231.81.248]:48066 helo=olive.lsv.ens-cachan.fr) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aG1ms-0004Um-Ii for bug-gnu-emacs@gnu.org; Mon, 04 Jan 2016 04:50:50 -0500 Received: from phs-air.local (gwvisitors.lsv.fr [138.231.81.8]) by olive.lsv.ens-cachan.fr (Postfix) with ESMTP id 18AA74C01C4 for ; Mon, 4 Jan 2016 10:30:18 +0100 (CET) To: bug-gnu-emacs@gnu.org From: phs Subject: 24.5; toggle-truncate-lines not mentioned in docstring for truncate-lines nor in elisp manual Message-ID: <568A3BA9.8000300@lsv.fr> Date: Mon, 4 Jan 2016 10:30:17 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: phs@lsv.fr Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) In general, changing the value of `truncate-lines' should be done via `toggle-truncate-lines' not by `(setq truncate-lines ..)' However the documentation string for `truncate-lines' does not mention the existence of `toggle-truncate-lines', nor is it mentioned in the elisp manual (section "37.3 Truncation"). It seems that modifying `truncate-lines' with just `(setq ..)' may suffer from redisplay problems, see http://emacs.stackexchange.com/questions/19228 for a way to trip the problem from emacs -Q. --phs In GNU Emacs 24.5.1 (x86_64-apple-darwin13.4.0, NS apple-appkit-1265.21) of 2015-04-10 on builder10-9.porkrind.org Windowing system distributor `Apple', version 10.3.1404 Configured using: `configure --with-ns '--enable-locallisppath=/Library/Application Support/Emacs/${version}/site-lisp:/Library/Application Support/Emacs/site-lisp'' Important settings: value of $LC_ALL: en_US value of $LANG: en_US locale-coding-system: utf-8-unix -- Philippe SCHNOEBELEN, www.lsv.ens-cachan.fr/~phs LSV, CNRS UMR 8643 & ENS de Cachan Tel: (+33/0) 147 407 530 "Algebraic symbols are used when you do not know what you are talking about" From debbugs-submit-bounces@debbugs.gnu.org Mon Jan 04 12:11:38 2016 Received: (at 22303-done) by debbugs.gnu.org; 4 Jan 2016 17:11:38 +0000 Received: from localhost ([127.0.0.1]:37786 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aG8fS-0007r5-0F for submit@debbugs.gnu.org; Mon, 04 Jan 2016 12:11:38 -0500 Received: from eggs.gnu.org ([208.118.235.92]:40248) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aG8fQ-0007qu-S8 for 22303-done@debbugs.gnu.org; Mon, 04 Jan 2016 12:11:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aG8fI-0003z6-Ho for 22303-done@debbugs.gnu.org; Mon, 04 Jan 2016 12:11:31 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_40,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:36717) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aG8fI-0003z2-E9; Mon, 04 Jan 2016 12:11:28 -0500 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3199 helo=HOME-C4E4A596F7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aG8fH-0002a5-Qo; Mon, 04 Jan 2016 12:11:28 -0500 Date: Mon, 04 Jan 2016 19:11:31 +0200 Message-Id: <837fjp6zi4.fsf@gnu.org> From: Eli Zaretskii To: phs@lsv.fr In-reply-to: <568A3BA9.8000300@lsv.fr> (message from phs on Mon, 4 Jan 2016 10:30:17 +0100) Subject: Re: bug#22303: 24.5; toggle-truncate-lines not mentioned in docstring for truncate-lines nor in elisp manual References: <568A3BA9.8000300@lsv.fr> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 22303-done Cc: 22303-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Eli Zaretskii Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) > From: phs > Date: Mon, 4 Jan 2016 10:30:17 +0100 > > In general, changing the value of `truncate-lines' should be done via > `toggle-truncate-lines' not by `(setq truncate-lines ..)' > > However the documentation string for `truncate-lines' does not mention > the existence of `toggle-truncate-lines', nor is it mentioned in the > elisp manual (section "37.3 Truncation"). > > It seems that modifying `truncate-lines' with just `(setq ..)' may > suffer from redisplay problems, see > http://emacs.stackexchange.com/questions/19228 for a way to trip the > problem from emacs -Q. Thanks for pointing this out. The answers on stackexchange are incorrect: there's nothing wrong with setting 'truncate-lines' directly. The situation described there revealed a bug, which I just fixed for the next release. I see no need to change the documentation in this regard. From unknown Fri Jun 13 11:52:53 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Tue, 02 Feb 2016 12:24:04 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator