test/relaxng/tutor11_2_2.xml - third_party/github.com/GNOME/libxml2 - Git at Google

 <card xmlns="http://www.example.com"
      xmlns:a="http://www.example.com/a" a:foo="works"
      xmlns:b="http://www.example.com" b:foo="fails">
    This should fail
 </card>
	<card xmlns="http://www.example.com"
	xmlns:a="http://www.example.com/a" a:foo="works"
	xmlns:b="http://www.example.com" b:foo="fails">
	This should fail
	</card>