1  SAX.setDocumentLocator()
 2  SAX.startDocument()
 3  SAX.internalSubset(doc, , )
 4  SAX.elementDecl(doc, 1, ...)
 5  SAX.attributeDecl(doc, defatt, 9, 1, 0, ...)
 6  SAX.attributeDecl(doc, xmlns:tst, 1, 4, http://example.org, ...)
 7  SAX.attributeDecl(doc, tst:att, 9, 1, 1, ...)
 8  SAX.externalSubset(doc, , )
 9  SAX.startElement(doc, att='1')
10  SAX.endElement(doc)
11  SAX.endDocument()