<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>