Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/libraries/HaXml/tests/xml-conformance/eduni/namespaces/1.0/028.xml
<?xml version="1.0"?> <!-- Reserved prefixes and namespaces: declaring the xml prefix correctly --> <foo xmlns:xml="http://www.w3.org/XML/1998/namespace"/>
