Choose the View pull-down menu to perform one of the following
  operations in the graph result display:
      o  Display full information for a selected symbol or
         occurrence
      o  Change the display mode and orientation of the
         graph
      o  Display or hide the information about occurrences
         of a symbol or a set of symbols in the lower pane
      o  Goto the source location of a selected occurrence
      o  Redraw the display