bug#6059: auctex, emacs23 crashes in latex mode when encountering `^'

[Gong Zhitaao <gongzhitaao@sina.com>]

when i try to type:
$2^3$
in LaTex mode, the emacs23 crashes encountering the symbol `^'

what's more, i could not even open a latex file in latex mode containing
the string above.

What can i do?

thanks.


-----------------------------------------------------------
  Gong Zhitaao

  Computer Science and Technology, Nanjing University, China

  Email: gongzhitaaao@gmail.com
-----------------------------------------------------------


In GNU Emacs 23.1.1 (i486-pc-linux-gnu, GTK+ Version 2.18.3)
 of 2010-03-26 on palmer, modified by Debian
Windowing system distributor `The X.Org Foundation', version
11.0.10604000
configured using `configure  '--build=i486-linux-gnu'
'--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib'
'--libexecdir=/usr/lib' '--localstatedir=/var/lib'
'--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes'
'--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.1/leim' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS=''

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_HK.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: LaTeX

Minor modes in effect:
  desktop-save-mode: t
  display-time-mode: t
  icomplete-mode: t
  partial-completion-mode: t
  shell-dirtrack-mode: t
  global-linum-mode: t
  linum-mode: t
  show-paren-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<help-echo> <return> <return> y <return> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <up> C-x k <backspace> M-x b u
g - r e <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> r e p o r t <return>

Recent messages:
Warning: desktop file appears to be in use by PID 2811.
Using it may cause conflicts.  Use it anyway? (y or n)
Please answer y or n.  Warning: desktop file appears to be in use by PID
2811.
Using it may cause conflicts.  Use it anyway? (y or n)
Please answer y or n.  Warning: desktop file appears to be in use by PID
2811.
Using it may cause conflicts.  Use it anyway? (y or n)
Desktop: 0 buffers restored.
For information about GNU Emacs and the GNU system, type C-h C-a.
Applying style hooks... done
call-interactively: Text is read-only
Quit