libxml2 2.9.1
1: <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> 2: <html><body> 3: <td></td> 4: <td> 5: <!-- <a><b> --> 6: </td> 7: </body></html>