SAX.setDocumentLocator()
SAX.startDocument()
SAX.startElement(D:propfind, xmlns:D='http://www.ietf.org/standards/dav/')
SAX.characters(
  , 3)
SAX.startElement(D:prop)
SAX.characters(
    , 5)
SAX.startElement(supportedlock)
SAX.endElement(supportedlock)
SAX.characters(
  , 3)
SAX.endElement(D:prop)
SAX.characters(
, 1)
SAX.endElement(D:propfind)
SAX.endDocument()