diff -r 120a79b8bb11 Lib/test/test_email/test_email.py
--- a/Lib/test/test_email/test_email.py	Tue Jan 03 06:26:13 2012 +0200
+++ b/Lib/test/test_email/test_email.py	Tue Jan 03 17:09:34 2012 +0100
@@ -2056,6 +2056,63 @@
         self.assertEqual(decode_header(s),
                         [(b'andr\xe9=zz', 'iso-8659-1')])
 
+    @unittest.expectedFailure
+    def test_rfc2047_rfc2047_1(self):
+        # 1st testcase at end of rfc2047
+        s = '(=?ISO-8859-1?Q?a?=)'
+        self.assertEqual(decode_header(s),
+            [(b'(', None), (b'a', 'iso-8859-1'), (b')', None)])
+
+    @unittest.expectedFailure
+    def test_rfc2047_rfc2047_2(self):
+        # 2nd testcase at end of rfc2047
+        s = '(=?ISO-8859-1?Q?a?= b)'
+        self.assertEqual(decode_header(s),
+            [(b'(', None), (b'a', 'iso-8859-1'), (b' b)', None)])
+
+    @unittest.expectedFailure
+    def test_rfc2047_rfc2047_3(self):
+        # 3rd testcase at end of rfc2047
+        s = '(=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)'
+        self.assertEqual(decode_header(s),
+            [(b'(', None), (b'ab', 'iso-8859-1'), (b')', None)])
+
+    @unittest.expectedFailure
+    def test_rfc2047_rfc2047_4(self):
+        # 4th testcase at end of rfc2047
+        s = '(=?ISO-8859-1?Q?a?=  =?ISO-8859-1?Q?b?=)'
+        self.assertEqual(decode_header(s),
+            [(b'(', None), (b'ab', 'iso-8859-1'), (b')', None)])
+
+    @unittest.expectedFailure
+    def test_rfc2047_rfc2047_5a(self):
+        # 5th testcase at end of rfc2047 newline is \r\n
+        s = '(=?ISO-8859-1?Q?a?=\r\n    =?ISO-8859-1?Q?b?=)'
+        self.assertEqual(decode_header(s),
+            [(b'(', None), (b'ab', 'iso-8859-1'), (b')', None)])
+
+    @unittest.expectedFailure
+    def test_rfc2047_rfc2047_5b(self):
+        # 5th testcase at end of rfc2047 newline is \n
+        s = '(=?ISO-8859-1?Q?a?=\n    =?ISO-8859-1?Q?b?=)'
+        self.assertEqual(decode_header(s),
+            [(b'(', None), (b'ab', 'iso-8859-1'), (b')', None)])
+
+    @unittest.expectedFailure
+    def test_rfc2047_rfc2047_6(self):
+        # 6th testcase at end of rfc2047
+        s = '(=?ISO-8859-1?Q?a_b?=)'
+        self.assertEqual(decode_header(s),
+            [(b'(', None), (b'a b', 'iso-8859-1'), (b')', None)])
+
+    @unittest.expectedFailure
+    def test_rfc2047_rfc2047_7(self):
+        # 7th testcase at end of rfc2047
+        s = '(=?ISO-8859-1?Q?a?= =?ISO-8859-2?Q?_b?=)'
+        self.assertEqual(decode_header(s),
+            [(b'(', None), (b'a', 'iso-8859-1'), (b' b', 'iso-8859-2'),
+             (b')', None)])
+
 
 # Test the MIMEMessage class
 class TestMIMEMessage(TestEmailBase):