1SAX.setDocumentLocator()
2SAX.startDocument()
3SAX.internalSubset(root, , )
4SAX.elementDecl(root, 1, ...)
5SAX.comment(  " )
6SAX.externalSubset(root, , )
7SAX.startElementNs(root, NULL, NULL, 0, 0, 0)
8SAX.endElementNs(root, NULL, NULL)
9SAX.endDocument()
10