1 <?xml version="1.0"?> 2 <html xmlns:h="http://www.w3.org/TR/REC-html40" 3 xmlns:b="urn:BooksAreUs.org:BookInfo"> 4 <h:head> 5 <h:title>Typography</h:title> 6 </h:head> 7 <h:body> 8 <h:p>Welcome to the world of typography! Here is a book that you may find useful.</h:p> 9 <b:title h:style="font-family: sans-serif;">Digital Typography</b:title> 10 <b:author>Donald Knuth</b:author> 11 </h:body> 12 </html>