This file demonstrates a <p> that may be a potential header (underline)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> <html lang="en"> <head> <title>aert1.0/3.5.2</title> </head> <body> <p><u>This may be a header.</u></p> </body> </html>