setDocumentLocator(locator={columnNumber=1, lineNumber=1})
startDocument()
   startElement(namespaceURI="", localName="doc", qName="doc", atts=[])
      processingInstruction(target="pi", data="a form feed () is not allowed in a pi")
   endElement(namespaceURI="", localName="doc", qName="doc")
endDocument()
