SAX.setDocumentLocator()
SAX.startDocument()
SAX.startElement(a)
SAX.characters(
    , 5)
SAX.startElement(B)
SAX.characters(
        , 9)
SAX.startElement(C)
SAX.endElement(C)
SAX.characters(   , 3)
SAX.characters(
, 1)
SAX.endElement(B)
SAX.characters(
, 1)
SAX.endElement(a)
SAX.endDocument()
