** Description changed:

  Binary package hint: xserver-xorg
  
  == Background ==
  
  Every day, many users press Control+Alt+Backspace by accident. Here is
  some example evidence of how this is so are at the bottom of this bug
  report.
  
  == Feature request ==
  
  Xorg must somehow request confirmation before terminating after the user
  presses Ctrl+Alt+Backspace.  Maybe it could show a confirmation dialog
  box.
  
  == Example evidence ==
  
  "We routinely use backspace to kill a character, C-backspace to kill a
  word, C-x backspace to kill a sentence, etc. And inevitably, we press
  C-M-backspace trying to kill an s-expression, just to find ourselves
  wondering why the screen suddenly turns black for a moment before the
  login screen appears again. Yup, we zapped the X server, because that is
  what C-M-backspace does."
  --http://www.foldr.org/~michaelw/log/programming/lisp/dontzap-emacs
  (Emacs's C and Java modes use the Ctrl+Alt+Backspace key combination to
  delete the {}-enclosed structural block to the left of the cursor.)
  
  "How can I configure X not to shutdown when I accidentally press 
control-alt-backspace?  This happens a lot, believe it or not, while I'm using 
emacs.  If X were to pop up a confirmation dialog, that
  would be even better." -- 
http://www.answers.google.com/answers/threadview?id=38992
  
  "In the terminal programs I use, alt-backspace erases the word to the
  left of the cursor.  This is very handy, but when my thumb slips just a
  small amount it also presses the ctrl key..." --
  http://www.lugod.org/mailinglists/archives/vox-
  tech/2005-09/msg00046.html
  
  "A word to Alt+Backspace and Shift+Alt+Backspace: I have noticed the
  danger of shutting down X-Windows when you accidentally hit
  Ctrl+Alt+Backspace instead of one of the two other keystrokes. So, this
  might be arguable that users might accidentally mistype a keystroke thus
  losing some work (as I did :-))" -- http://bugs.kde.org/63540
  
  With sticky keys: "I crashed my system accidentally - I wanted 
Ctrl-Backspace, and got
  Ctrl-Alt-Backspace!
  Perhaps sticky keys should not stick the combinations:
  Ctrl-Alt-[Del|Backspace|Esc]" -- 
http://lists.freedesktop.org/archives/xorg-bugzilla-noise/2004-September/003354.html
  
  For more examples see:
  
http://www.google.com/search?q=accidentally+hit+%7C+press+%7C+hitting+%7C+pressing+control+%7C+ctrl+alt+backspace+x%7Cxorg
+ 
+ == Note ==
+ 
+ The Cygwin X server for Microsoft Windows disables Ctrl+Alt+Bksp by
+ default, if you re-enable it, when you press Ctrl+Alt+Bksp you get an
+ exit confirmation dialog like the one I am requesting.  There is a
+ screenshot at: http://x.cygwin.com/screenshots/cygx-multiwindow-emacs-
+ exitconfirm-20031224-0010.png

** Bug watch added: Freedesktop Bugzilla #10507
   https://bugs.freedesktop.org/show_bug.cgi?id=10507

** Also affects: xorg-server (upstream) via
   https://bugs.freedesktop.org/show_bug.cgi?id=10507
   Importance: Unknown
       Status: Unknown

-- 
Ctrl-Alt-Backspace should request confirmation before killing Xorg
https://bugs.launchpad.net/bugs/95258
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