1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> 2<html lang="en"> 3<head> 4<title>aert1.0/5.1.2</title> 5</head> 6<body> 7 8<table summary="This data table is missing row/column headers"> 9 <caption>This data table is missing row/column headers</caption> 10 11 <tr> 12 <td>age</td><td>height</td><td>weight</td> 13 </tr> 14 <tr> 15 <td>10</td><td>1.3 m</td><td>50 kg.</td> 16 </tr> 17 <tr> 18 <td>15</td><td>1.8 m</td><td>75 kg.</td> 19 </tr> 20 <tr> 21 <td>20</td><td>2.1 m</td><td>100 kg.</td> 22 </tr> 23</table> 24 25</body> 26</html> 27