fix output from RawConfigParser.write and ConfigParser.write for None
values (http://bugs.python.org/issue7005)
(merged r84443 from the release27-mmaint branch, with changes to reflect
changes in Python 3)
diff --git a/Misc/NEWS b/Misc/NEWS
index ad6090e..4053dd7 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -155,6 +155,9 @@
 Library
 -------
 
+- Issue #7005: Fixed output of None values for RawConfigParser.write and
+  ConfigParser.write.
+
 - Issue #8990: array.fromstring() and array.tostring() get renamed to
   frombytes() and tobytes(), respectively, to avoid confusion.  Furthermore,
   array.frombytes(), array.extend() as well as the array.array()