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 FUNCTION CTRLW()

  Short:
  ------
  CTRLW() Sends chr(23) (Control-W) to the keyboard

  Returns:
  --------
  Nothing

  Syntax:
  -------
  SET KEY XXX to CTRLW

  Description:
  ------------
  Allows remapping a key to Ctrl-W - a common Clipper
  EXIT key. CTRL-W is not a really intuitive key, but is often
  required by Clipper. I'll often set F10 to act as Ctrl-W.

  Examples:
  ---------
   EXTERNAL CTRLW

   SET KEY 27 to CTRLW  // remaps ESCAPE to CTRL-W
   also
   SETKEY(K_F10,{||ctrlw()})

  Notes:
  -------
  Declare as EXTERNAL i.e. EXTERNAL CTRLW

  Source:
  -------
  S_CTRLW.PRG