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>aert1.0/3.5.1</title> 5</head> 6<body> 7<h1>First Heading</h1> 8<h3>Next Heading</h3> 9</body> 10</html> 11