1  SAX.setDocumentLocator()
 2  SAX.startDocument()
 3  SAX.internalSubset(root, , )
 4  SAX.entityDecl(foo, 1, (null), (null), abc)
 5  SAX.getEntity(foo)
 6  SAX.entityDecl(bar, 1, (null), (null), def)
 7  SAX.getEntity(bar)
 8  SAX.externalSubset(root, , )
 9  SAX.getEntity(foo)
10  SAX.startElement(root, attribute='&foo;')
11  SAX.characters(
12     , 4)
13  SAX.startElement(element)
14  SAX.getEntity(bar)
15  SAX.characters(def, 3)
16  SAX.reference(bar)
17  SAX.endElement(element)
18  SAX.characters(
19  , 1)
20  SAX.endElement(root)
21  SAX.endDocument()