diff -r 481ad9129a0f Lib/email/test/test_email.py
--- a/Lib/email/test/test_email.py	Sat Mar 19 19:54:01 2011 +0100
+++ b/Lib/email/test/test_email.py	Sat Mar 19 18:19:47 2011 -0400
@@ -961,6 +961,7 @@
  locQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp"""
         msg['Face-1'] = t
         msg['Face-2'] = Header(t, header_name='Face-2')
+        msg['Face-3'] = ' ' + t
         # XXX This splitting is all wrong.  It the first value line should be
         # snug against the field name.
         eq(msg.as_string(maxheaderlen=78), """\
@@ -970,6 +971,9 @@
 Face-2:\x20
  iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEUAAAAkHiJeRUIcGBi9
  locQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp
+Face-3:\x20
+ iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEUAAAAkHiJeRUIcGBi9
+ locQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp
 
 """)