<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>WAI_2_11_1</title> </head> <body> <!--the following elements should return errors--> <img src="image.gif" width="10" height="10" /> <img src="image.jpg" widht="10" height="10" /> <img src="image.jpeg" width="10" height="10" /> <a href="file.pdf">Download pdf</a> <embed src="blah1.swf" width="10" height="10"></embed> <object type="image/swf"> <embed src="blah2.swf" width="10" height="10"></embed> </object> <layer>This is a layer</layer> <!--the following elemnets should be fine--> <!--the object will be an error, but the embed will not--> <object type="application/x-shockwave-flash" data="blah.swf"> <embed src="blah3.swf" width="10" height="10"> </embed> </object> </body> </html>