C-x z is useless after switching frames

[David Kastrup]

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 address@hidden mailing list.

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

This is on a focus-follows-mouse window manager: After switching
frames, C-x z spews an error message.  See below.

In GNU Emacs 22.1.50.4 (i686-pc-linux-gnu, GTK+ Version 2.10.11)
 of 2007-08-14 on lisa
Windowing system distributor `The X.Org Foundation', version 11.0.70200000
configured using `configure  '--prefix=/usr/local/emacs-21' 
'--without-toolkit-scroll-bars''

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
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Major mode: Shell-script

Minor modes in effect:
  shell-dirtrack-mode: t
  TeX-PDF-mode: t
  server-mode: t
  desktop-save-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t

Recent input:
<up> <up> <up> <up> <up> C-x z <switch-frame> C-x z 
M-x r e p o r t - e m a c s - b u g <return>

Recent messages:
Repeating command previous-line
Repeating command handle-switch-frame
repeat: handle-switch-frame must be bound to an event with parameters
Loading emacsbug...done

-- 
David Kastrup