GNU bug report logs - #1860
23.0.60; odd white block next to cursor, after typing some spaces

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From: "Eric Hanchrow" <eric.hanchrow <at> gmail.com>
To: emacs-pretest-bug <at> gnu.org
Subject: bug#1860: 23.0.60; odd white block next to cursor, after typing some spaces
Date: Sun, 11 Jan 2009 12:43:31 -0800

Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the emacs-pretest-bug <at> gnu.org mailing list.

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

I'm using "urxvt", if it matters.
I started emacs like this:
$ cd /usr/local/src/emacs/src
$ ./emacs -Q -nw

That put me in the *scratch* buffer, naturally.  I then typed

     SPC SPC SPC SPC SPC SPC SPC

The cursor moved to the right, as expected.  But after the last SPC,
something strange happened: the cursor (a solid white rectangle) now
appears twice as wide as it ought to: it's as if columns six and seven
(I count starting from zero, the way column-number-mode does) both
light up whenever the cursor enters them.

I've seen this in other places too, but I can't come up with a simple
description of when it happens.

I honestly don't know if this is a bug or a feature.  If it's a
feature, I very much want to disable it.

This version of emacs was built from source whose last CVS checkin
looks like this:

    Author: Glenn Morris <rgm <at> gnu.org>
    Date:   Sat Jan 10 22:35:59 2009 +0000

        (Acknowledgments): Some more updates based on AUTHORS.

If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/local/src/emacs/etc/DEBUG for instructions.


In GNU Emacs 23.0.60.10 (i686-pc-linux-gnu, GTK+ Version 2.14.4)
 of 2009-01-10 on debian
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC
SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC ESC x r e p
o r t - e m TAB RET

Recent messages:
("./emacs" "-Q")
For information about GNU Emacs and the GNU system, type C-h C-a.

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