  <tt>PilRC</tt> will concatenate strings on separate lines <br>
    example: <tt>"Now is the time for all good " \</tt> <br>
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    <tt>"men to come and aid of their country"</tt>
    </td>
  </tr>
  <tr>
    <td valign="top">
    <tt>.n</tt>
    </td>
    <td valign="top">
    number <br>
    defined constant or simple arithmetic expression. Valid operators are
    "+", "-", "*" and "/". Precedence is left to right,