<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html lang="en"> <head> <title>alert 1.0/5.1.2</title> </head> <body> <table width="70%" border="1" summary="Fist long Solution: This data table is NOT missing row/column headers"> <caption> Fist long Solution: This data table is NOT missing row/column headers </caption> <tr id="column_headers"> <th id="first_col" width="33%">age </th> <th id="second_col" width="33%">height</th> <th id="third_col" width="34%">weight</th> </tr> <tr id="little_child"> <td headers="first_col little_child">10</td> <td headers="second_col little_child">1.3 m</td> <td headers="third_col little_child"> 50 kg.</td> </tr> <tr id="teenager"> <td headers="first_col teenager">15</td> <td headers="second_col teenager">1.8 m</td> <td headers="third_col teenager"> 75 kg.</td> </tr> <tr id="grownup"> <td headers="first_col grownup">20</td> <td headers="second_col grownup">2.1 m</td> <td headers="third_col grownup">100 kg.</td> </tr> </table> <p> </p> <table width="70%" border="1" summary="Second Solution: This data table is NOT missing row/column headers"> <caption> Second Solution: This data table is NOT missing row/column headers </caption> <colgroup><col width="16%"></colgroup> <colgroup span="3" width="28%"></colgroup> <tr> <th scope="row"> </th> <th scope="col">age </th> <th scope="col">height</th> <th scope="col">weight</th> </tr> <tr> <td>little child</td> <td>10</td> <td>1.3 m</td> <td> 50 kg.</td> </tr> <tr> <td>teenager</td> <td>15</td> <td>1.8 m</td> <td> 75 kg.</td> </tr> <tr> <td>grownup</td> <td>20</td> <td>2.1 m</td> <td>100 kg.</td> </tr> </table> </body> </html>