diff -r ac27d979078a Lib/smtpd.py
--- a/Lib/smtpd.py	Thu Sep 05 00:23:08 2013 +0200
+++ b/Lib/smtpd.py	Thu Sep 05 16:05:49 2013 +0200
@@ -780,7 +780,7 @@
         if opt in ('-h', '--help'):
             usage(0)
         elif opt in ('-V', '--version'):
-            print(__version__, file=sys.stderr)
+            print(__version__)
             sys.exit(0)
         elif opt in ('-n', '--nosetuid'):
             options.setuid = 0
diff -r ac27d979078a Misc/NEWS
--- a/Misc/NEWS	Thu Sep 05 00:23:08 2013 +0200
+++ b/Misc/NEWS	Thu Sep 05 16:05:49 2013 +0200
@@ -1043,6 +1043,9 @@
 - Issue #12990: The "Python Launcher" on OSX could not launch python scripts
   that have paths that include wide characters.
 
+- Issue #18922: Now The Lib/smtpd.py and Tools/i18n/msgfmt.py scripts write
+  their version strings to stdout, and not to sderr.
+
 What's New in Python 3.3.1 release candidate 1?
 ===============================================
 
diff -r ac27d979078a Tools/i18n/msgfmt.py
--- a/Tools/i18n/msgfmt.py	Thu Sep 05 00:23:08 2013 +0200
+++ b/Tools/i18n/msgfmt.py	Thu Sep 05 16:05:49 2013 +0200
@@ -218,7 +218,7 @@
         if opt in ('-h', '--help'):
             usage(0)
         elif opt in ('-V', '--version'):
-            print("msgfmt.py", __version__, file=sys.stderr)
+            print("msgfmt.py", __version__)
             sys.exit(0)
         elif opt in ('-o', '--output-file'):
             outfile = arg