Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/libraries/HaXml/tests/xml-conformance/ibm/valid/P78/out/ibm78v01.xml
<root> anything legal as PCDATA.... N.B. also tested P77 and P80 anything legal as PCDATA.... N.B. also tested P77anything legal as PCDATA.... e.g. 12345678E-33, "hello"</root>
