1SAX.setDocumentLocator()
2SAX.startDocument()
3SAX.comment( comment before the DTD )
4SAX.internalSubset(doc, , )
5SAX.elementDecl(doc, 2, ...)
6SAX.externalSubset(doc, , )
7SAX.comment( comment after the DTD )
8SAX.startElement(doc)
9SAX.endElement(doc)
10SAX.endDocument()
11