test/def-xml-attr.xml - third_party/github.com/GNOME/libxml2 - Git at Google

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE root [
   <!ATTLIST foo xml:lang CDATA "eng">
   <!ATTLIST foo bar CDATA "&lt;&gt;&quot;">
 ]>
 <root>
   <foo xml:lang="ger">Ja</foo>
 </root>
	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE root [
	<!ATTLIST foo xml:lang CDATA "eng">
	<!ATTLIST foo bar CDATA "<>"">
	]>
	<root>
	<foo xml:lang="ger">Ja</foo>
	</root>