Manual py3k backport: [svn r74158] Issue #6218: Make io.BytesIO and io.StringIO picklable.
diff --git a/Misc/NEWS b/Misc/NEWS
index 6946706..7f38259 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -418,6 +418,9 @@
 Library
 -------
 
+- Issue #6218: io.StringIO and io.BytesIO instances are now picklable with
+  protocol 2.
+
 - Issue #7077: logging: SysLogHandler now treats Unicode as per RFC 5424.
 
 - Issue #7099: Decimal.is_normal now returns True for numbers with exponent