result/noent/ns-ent.xml

<?xml version="1.0"?>
<!DOCTYPE doc [
<!ENTITY ent1 "<elem/>">
<!ENTITY ent2 "<ns:elem/>">
]>
<doc>
    <a xmlns="urn:a"><elem/></a>
    <b xmlns="urn:b"><elem/></b>
    <a xmlns:ns="urn:a"><elem/></a>
    <b xmlns:ns="urn:b"><elem/></b>
</doc>