re: 
        <CODE>Read (R), Write (W), Data (*), Call (c), Jump (j) and Thunk (T)</CODE>.        
        
        <P><B>Group by Function -</B> Groups all references by the containing source function.  
        With this option off, all references within a function are displayed on their on row.  
        With this feature on, each function will get a single row, with all references displayed on
        that row. 
        
        <P><B>Maximum Number of XREFs To Display -</B> The maximum number of lines 