1SAX.setDocumentLocator()
2SAX.startDocument()
3SAX.internalSubset(rnode, , )
4SAX.elementDecl(rnode, 4, ...)
5SAX.elementDecl(f, 3, ...)
6SAX.attributeDecl(f, att1, 1, 4, J, ...)
7SAX.entityDecl(f, 1, (null), (null), 
8   <f>
9   hello world
10   </f>
11   )
12SAX.getEntity(f)
13SAX.externalSubset(rnode, , )
14SAX.startElement(rnode)
15SAX.characters(
16   , 4)
17SAX.getEntity(f)
18SAX.ignorableWhitespace(
19   , 4)
20SAX.startElement(f)
21SAX.characters(
22   hello world
23   , 19)
24SAX.endElement(f)
25SAX.characters(
26   , 4)
27SAX.reference(f)
28SAX.characters(
29, 1)
30SAX.endElement(rnode)
31SAX.endDocument()
32