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─────PWB Extensions─────────────────────────────────────────────────────────
 
  Syntax: void Display( void );
 
  See:    DrawEditWindowBorder, DoDrawWindow, DoRedrawDamagedRegions
 
     The Display function refreshes the screen. It changes the screen to
     reflect any editing changes.
 
     PWB automatically updates the screen while waiting for keystrokes.
     Therefore, it is usually not necessary to call Display.
 
     However, if your function runs for a long time with no user input,
     you can call Display periodically to show intermediate changes.
     Otherwise, the results of these changes are not visible until PWB
     completes the function and waits for user input.
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