setDocumentLocator(locator={columnNumber=1, lineNumber=1})
startDocument()
   startDTD(name="doc", publicId="", systemId="")
      internatlEntityDecl(name="e1", value="&e2;")
      internatlEntityDecl(name="e2", value="&e3;")
      externalEntityDecl(name="e3", publicId="", systemId="012.ent")
      internatlEntityDecl(name="e4", value="&e5;")
      internatlEntityDecl(name="e5", value="(e5)")
   endDTD()
   startElement(namespaceURI="", localName="doc", qName="doc", atts=[])
      resolveEntity(publicId="", systemId="012.ent", ret={})
      skippedEntity(name="e3")
   endElement(namespaceURI="", localName="doc", qName="doc")
endDocument()