Don't use sys.__stdout__ in examples.

pep-0214.txt

@@ -71,11 +71,12 @@ Justification
     method, but it can be rebound to redirect output to files other
     than specifically standard output.  A typical idiom is
 
-        sys.stdout = mylogfile
-	try:
-	    print 'this message goes to my log file'
-	finally:
-	    sys.stdout = sys.__stdout__
+        save_stdout = sys.stdout
+        try:
+            sys.stdout = mylogfile
+            print 'this message goes to my log file'
+        finally:
+            sys.stdout = save_stdout
 
     The problem with this approach is that the binding is global, and
     so affects every statement inside the try: clause.  For example,
@@ -96,6 +97,8 @@ Reference Implementation
     top of the stack and use it instead of sys.stdout as the output
     stream.
 
+    (This reference implementation has been adopted in Python 2.0.)
+
 
 Alternative Approaches
 
@@ -349,6 +352,8 @@ More Justification by the BDFL
                     print >> file, i, 'x', j, '=', i*j
                 print >> file
 
+    [XXX this needs more justification, and a section of its own]
+
 
 References