From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: phs Newsgroups: gmane.emacs.bugs Subject: bug#22303: 24.5; toggle-truncate-lines not mentioned in docstring for truncate-lines nor in elisp manual Date: Mon, 4 Jan 2016 10:30:17 +0100 Message-ID: <568A3BA9.8000300@lsv.fr> Reply-To: phs@lsv.fr NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1451901145 28514 80.91.229.3 (4 Jan 2016 09:52:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 4 Jan 2016 09:52:25 +0000 (UTC) To: 22303@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jan 04 10:52:13 2016 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 1aG1oA-0002WP-EN for geb-bug-gnu-emacs@m.gmane.org; Mon, 04 Jan 2016 10:52:10 +0100 Original-Received: from localhost ([::1]:44321 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aG1o9-0007pl-Ty for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 04 Jan 2016 04:50:55 -0500 Original-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 Original-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 Original-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) User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 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-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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:111187 Archived-At: 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"