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