Synopsis:
   bind <key> clear_screen

Description:
   This function clears the current window of all text.  Additionally, it
   will restart the window if it has been stopped by HOLD_MODE or the key
   function TOGGLE_STOP_SCREEN.

Aliases:
   This function is effectively equivalent to "CLEAR -unhold".

See Also:
   bind(4) refresh_screen; clear(4); set(4) hold_mode; window(4) hold_mode