   </table>
      <table border="0">
        <tbody>
          <tr>
            <td><span class="emphasis"><i class="EMPHASIS">( )</i></span> - parentheses are used to group a
            sub-expression, or multiple sub-expressions.</td>
          </tr>
        </tbody>
      </table>
      <table border="0">
        <tbody>
          <tr>
            <td><span class="emphasis"><i class="EMPHASIS">|</i></span> - The <span class="QUOTE">"bar"</span>
            character works like an <span class="QUOTE">"or