startDocument()
declaration(1.0, UTF-8, None)
startElement(None, None, root, root, attr='foo', attr2='bar')
characters(
    )
startElement(None, None, child, child, attr3='')
endElement(None, None, child, child)
characters(
    )
startElement(None, None, child2, child2, attr4='hoge')
endElement(None, None, child2, child2)
characters(
)
endElement(None, None, root, root)
endDocument()
