1  SAX.setDocumentLocator()
2  SAX.startDocument()
3  SAX.internalSubset(doc, , )
4  SAX.attributeDecl(doc, a1, 8, 1, 1 2, ...)
5  SAX.elementDecl(doc, 3, ...)
6  SAX.externalSubset(doc, , )
7  SAX.startElementNs(doc, NULL, NULL, 0, 1, 1, a1='1 2...', 3)
8  SAX.endElementNs(doc, NULL, NULL)
9  SAX.endDocument()