xmlSAXUserParseFile returned error 27 SAX.setDocumentLocator() SAX.startDocument() SAX.internalSubset(test, , ) SAX.elementDecl(test, 3, ...) SAX.entityDecl(xx, 4, (null), (null), %zz;) SAX.getParameterEntity(xx) SAX.entityDecl(zz, 4, (null), (null), <!ENTITY tricky "error-prone" >) SAX.getParameterEntity(zz) SAX.getParameterEntity(xx) SAX.error: PEReference: %xx; not found SAX.characters(This sample shows a , 20) SAX.getEntity(tricky) SAX.error: Entity 'tricky' not defined SAX.reference(tricky) SAX.characters( method., 8) SAX.endDocument() xmlSAXUserParseFile returned error 27