<html>  XHTML (Extensible HyperText Markup Language) Quick Reference 

  <head>
    <title>Page Window Title</title>
  </head>

  <body>
    <h1>Level-One Heading</h1>

    <h2>Level-Two Heading</h2>

    <p> start paragraph 

          <b> bold text  </b>

          <br /> forced line break

          <span> generic inline container </span>

    </p> close paragraph

    <hr /> horizontal rule

    <div>  generic block container  </div>

    <table>
      <tr>  (first table row)
        <td> first table data cell        </td>
        <td> second table data cell       </td>
        <td> third table data cell        </td>
      </tr>
      <tr>  (second table row)
        <td> first table data cell in second row  </td>
        <td> second table data cell               </td>
        <td> a third able data cell               </td>
      </tr>
    </table>


    <ul> An un-numbered list:
      <li> a list item         </li>
      <li> another list item   </li>
      <li> a third list item   </li>
    </ul>


    <ol> A numbered (ordered) list
      <li> first  list item    </li>
      <li> second list item    </li>
      <li> third list item     </li>
    </ol>

  </body>

</html>