Fix problem in example code. It's minor in this particular example,

but can lead to mysterious problems in real applications.

Doc/lib/libpyexpat.tex

@@ -480,7 +480,7 @@ p.CharacterDataHandler = char_data
 p.Parse("""<?xml version="1.0"?>
 <parent id="top"><child1 name="paul">Text goes here</child1>
 <child2 name="fred">More text</child2>
-</parent>""")
+</parent>""", 1)
 \end{verbatim}
 
 The output from this program is: