"color:teal"><b>OVERRIDE</b></span>;
        <span style="color:navy"><b>PROCEDURE</b></span> endgroup; <span style="color:teal"><b>OVERRIDE</b></span>;
        <span style="color:navy"><b>FUNCTION</b></span> canundo: boolean; <span style="color:teal"><b>OVERRIDE</b></span>;
        <span style="color:navy"><b>FUNCTION</b></span> canredo: boolean; <span style="color:teal"><b>OVERRIDE</b></span>;
        <span style="color:navy"><b>PROCEDURE</b></span> undo; <span style="color:teal"><b>OVERRIDE</b></span>;
 