SAX.setDocumentLocator()
SAX.startDocument()
SAX.startElementNs(diagram, dia, 'http://www.lysator.liu.se/~alla/dia/', 1, xmlns:dia='http://www.lysator.liu.se/~alla/dia/', 0, 0)
SAX.characters(
  , 3)
SAX.startElementNs(diagramdata, dia, 'http://www.lysator.liu.se/~alla/dia/', 0, 1, 0, dia:testattr='test...', 4)
SAX.endElementNs(diagramdata, dia, 'http://www.lysator.liu.se/~alla/dia/')
SAX.characters(
, 1)
SAX.endElementNs(diagram, dia, 'http://www.lysator.liu.se/~alla/dia/')
SAX.endDocument()