Programmer's WorkBench (pwb.hlp) (Table of Contents; Topic list)
Up Function
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     Up («up»)
          Moves the cursor up one line. If a selection has been started,
          it is extended by one line. If this movement results in the
          cursor moving out of the window, the window is adjusted upward
          as specified by the Vscroll switch.
          See: Vscroll
 
     Meta Up («meta» «up»)
          Moves the cursor to the top of the window without changing the
          column position.
 
     Returns
 
     True:  Cursor moved.
     False: Cursor not moved; the cursor is already at the destination.
 
     See
 
     Down
     ◄Cursor Movement Commands►
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