Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/libraries/HaXml/tests/xml-conformance/ibm/invalid/P56/out/ibm56i12.xml
<test> <landscape sun="notimage"></landscape> In the attribute decl, values of type ENTITY match the Name production but does not match the name of any entity declared in the DTD </test>