<?xml version = "1.0"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns = "http://www.w3.org/1999/xhtml"> <head> <title>Internet and WWW How to Program - Welcome</title> </head> <body> <p>Welcome to XHTML!</p> </body></html>