Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/libraries/HaXml/tests/xml-conformance/ibm/valid/P39/out/ibm39v01.xml
<root><a></a><b> <c></c> content of b element <c> <d><e>no more children</e><e><f></f></e><f></f></d> </c> </b></root>
