ecco un riassunto della pagina
codice HTML:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
</head>
<body>
<!DOCTYPE html>
<html>
<head>
</head>
<body>
</body>
</html>
</body>
</html>
normale che il validatore vada in tilt