Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/libraries/HaXml/tests/xml-conformance/ibm/not-wf/P13/ibm13n01.xml
<?xml version="1.0"?> <!DOCTYPE student [ <!ENTITY info PUBLIC "This is a {test} " "student.dtd"> ]> <!-- testing invalid pubid char with { --> <student>My Name is &info;. </student>
