SAX.setDocumentLocator()
SAX.startDocument()
SAX.internalSubset(doc, , )
SAX.elementDecl(doc, 1, ...)
SAX.attributeDecl(doc, xmlns, 1, 4, http://www.example.com/, ...)
SAX.externalSubset(doc, , )
SAX.startElement(doc)
SAX.endElement(doc)
SAX.endDocument()