foo.xml   [plain text]

<?xml version="1.0"?>
<!DOCTYPE schema SYSTEM "foo.dtd" [
<!ATTLIST root-el
	xmlns:human CDATA #FIXED "http://www.foo.com/human">
]>
<root-el xmlns="http://www.bar.com/doc"
  xmlns:table="http://www.foo.com/table">
   <human:leg>human leg</human:leg>
   <table:leg>table leg</table:leg>
</root-el>