setDocumentLocator(locator={columnNumber=1, lineNumber=1})
startDocument()
   startDTD(name="doc", publicId="", systemId="")
      notationDecl(name="n", publicId="", systemId="n")
      externalEntityDecl(name="%foo", publicId="", systemId="foo.xml")
      fatalError(exception={columnNumber=33, lineNumber=3, publicId="", systemId="", message="letter is expected"})