<?xml version="1.0" encoding="UTF-8"?>
<!ELEMENT song (verse*)>
<!ATTLIST song
xmlns CDATA #FIXED "http://outer.com/"
xmlns:inner CDATA #FIXED "http://inner.com/">
<!ELEMENT verse (inner:line*)>
<!ELEMENT inner:line (#PCDATA)>
<?xml version="1.0" encoding="UTF-8"?>
<!ELEMENT song (verse*)>
<!ATTLIST song
xmlns CDATA #FIXED "http://outer.com/"
xmlns:inner CDATA #FIXED "http://inner.com/">
<!ELEMENT verse (inner:line*)>
<!ELEMENT inner:line (#PCDATA)>