<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>WAI_2_5_3</title></head> </style> <body> <!-- the following elements should raise errors --> <table border="0"> <tr> <td>cell 1</td> <td>cell 2</td> </tr> </table> <!-- the following elements should be fine --> <table> <tr> <td>cell 1</td> <td>cell 2</td> </tr> </table> </body> </html>