C-M-l behaves abnormal

[Zhongtao Zhu]

Symptoms:

When `C-M-l' or `M-x reposition-window' get invoked, the cursor always
goes to the last line of the window.


In GNU Emacs 21.3.50.2 (i686-pc-linux-gnu, GTK+ Version 2.2.4)
 of 2004-04-19 on zhongtao
configured using `configure '--host=i686-pc-linux-gnu' '--prefix=/usr' 
'--libexecdir=/usr/lib' '--mandir=/usr/share/man' '--infodir=/usr/share/info' 
'--enable-debug' '--with-x' '--with-xpm' '--with-jpeg' '--with-tiff' 
'--with-gif' '--with-png' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 
'CC=gcc' 'host_alias=i686-pc-linux-gnu''

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: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Major mode: C

Minor modes in effect:
  iswitchb-mode: t
  display-time-mode: t
  auto-compression-mode: t
  which-function-mode: t
  tool-bar-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t
  hs-minor-mode: t

Recent input:
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-p C-z C-d C-x C-s C-x k RET C-x b b u RET C-x k RET 
C-x b C-g C-x b g u DEL DEL h u RET ESC x ESC p ESC 
p RET

Recent messages:
Checking spelling of EXECUTES...
EXECUTES is correct
Checking spelling of ALWAYS...
ALWAYS is correct
Sending...
run-hooks: Symbol's function definition is void: gnus-agent-possibly-save-gcc
Quit [2 times]
Making completion list...
Loading mule-util...done
Wrote /home/zhongtao/.gnus
Quit
-- 
Zhongtao Zhu                                  Tel: +86 10 6278 2266
Department of Computer Science, Tsinghua University, Beijing, China