From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#23594: 25.0.94; Display errors on Linux tty Date: Sat, 21 May 2016 19:01:10 +0000 Message-ID: <20160521190110.GB2987@acm.fritz.box> References: <20160521104720.GA2987@acm.fritz.box> <83k2in72de.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1463857348 29558 80.91.229.3 (21 May 2016 19:02:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 21 May 2016 19:02:28 +0000 (UTC) Cc: 23594@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat May 21 21:02:17 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 1b4CAC-00036F-SD for geb-bug-gnu-emacs@m.gmane.org; Sat, 21 May 2016 21:02:17 +0200 Original-Received: from localhost ([::1]:41003 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b4CAC-0000wT-3g for geb-bug-gnu-emacs@m.gmane.org; Sat, 21 May 2016 15:02:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60053) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b4CA2-0000u6-TW for bug-gnu-emacs@gnu.org; Sat, 21 May 2016 15:02:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b4C9y-00027Y-Pi for bug-gnu-emacs@gnu.org; Sat, 21 May 2016 15:02:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:47826) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b4C9y-00027U-Ly for bug-gnu-emacs@gnu.org; Sat, 21 May 2016 15:02:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1b4C9y-00054f-9G for bug-gnu-emacs@gnu.org; Sat, 21 May 2016 15:02:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 21 May 2016 19:02:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 23594 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 23594-submit@debbugs.gnu.org id=B23594.146385727119448 (code B ref 23594); Sat, 21 May 2016 19:02:02 +0000 Original-Received: (at 23594) by debbugs.gnu.org; 21 May 2016 19:01:11 +0000 Original-Received: from localhost ([127.0.0.1]:60163 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b4C99-00053c-Al for submit@debbugs.gnu.org; Sat, 21 May 2016 15:01:11 -0400 Original-Received: from mail.muc.de ([193.149.48.3]:61582) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b4C96-00053S-MK for 23594@debbugs.gnu.org; Sat, 21 May 2016 15:01:09 -0400 Original-Received: (qmail 76376 invoked by uid 3782); 21 May 2016 19:01:06 -0000 Original-Received: from acm.muc.de (p548C6006.dip0.t-ipconnect.de [84.140.96.6]) by colin.muc.de (tmda-ofmipd) with ESMTP; Sat, 21 May 2016 21:01:05 +0200 Original-Received: (qmail 13414 invoked by uid 1000); 21 May 2016 19:01:10 -0000 Content-Disposition: inline In-Reply-To: <83k2in72de.fsf@gnu.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de 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" Xref: news.gmane.org gmane.emacs.bugs:118519 Archived-At: Hello, Eli. On Sat, May 21, 2016 at 08:22:05PM +0300, Eli Zaretskii wrote: > > Date: Sat, 21 May 2016 10:47:20 +0000 > > From: Alan Mackenzie > > emacs -Q > > C-x b foo.c > > M-x c-mode > > Type the following five lines into the buffer: > > ######################################################################### > > char foo [] = "foo"; > > #define FOO BAR > > char bar [] = "bar"; > > ######################################################################### > > Move point to just after "BAR" on line 3. > > C-u C-x = > > There are now two display bugs evident: > > 1. The vertical divider between the two windows is missing a piece just > > after the line " decomposition: (10) ('" in *Help*. > > 2. In foo.c, the actual text display is out of sync with the text cursor. > > The text has been scrolled one line up, but the cursor has remained at > > the same position in the window, apparently at the end of a non-existent > > line of spaces. The cursor can be freely moved, but is one line out of > > sync with the displayed text. > I see this, but I don't understand why you needed the c-mode stuff and > the text. the same problem happens in a buffer in Fundamental mode > when you invoke "C-u C-x =" at a newline. Hmm. Maybe I wanted to take some of the blame. ;-) > This bug exists since we started showing the 'decomposition' of > characters in Emacs 24.1. With LF, we send a literal LF character to > the screen. OK. The next question is is it easy to fix? -- Alan Mackenzie (Nuremberg, Germany).