1 <?xml version="1.0"?> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 3 <html xmlns="http://www.w3.org/1999/xhtml"> 4 <body> 5 <h1><abbr>a</abbr> b</h1> 6 </body> 7 </html> 8
1 <?xml version="1.0"?> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 3 <html xmlns="http://www.w3.org/1999/xhtml"> 4 <body> 5 <h1><abbr>a</abbr> b</h1> 6 </body> 7 </html> 8