setDocumentLocator(locator={columnNumber=1, lineNumber=1})
startDocument()
   startDTD(name="doc", publicId="", systemId="")
      attributeDecl(eName="e", aName="a1", type="", valueDefault="", value="")
      attributeDecl(eName="e", aName="a2", type="", valueDefault="", value="")
      externalEntityDecl(name="x", publicId="", systemId="013.ent")
   endDTD()
   startElement(namespaceURI="", localName="doc", qName="doc", atts=[])
      resolveEntity(publicId="", systemId="013.ent", ret={})
      skippedEntity(name="x")
   endElement(namespaceURI="", localName="doc", qName="doc")
endDocument()