Index: Lib/email/test/test_email_renamed.py
===================================================================
--- Lib/email/test/test_email_renamed.py	(revision 78650)
+++ Lib/email/test/test_email_renamed.py	(working copy)
@@ -193,7 +193,7 @@
            '\xa1This is a Quoted Printable encoded message!\n')
         # Subpart 3 is base64
         eq(msg.get_payload(2).get_payload(decode=True),
-           'This is a Base64 encoded message.')
+           'This is a Base64 encoded message.\n')
         # Subpart 4 has no Content-Transfer-Encoding: header.
         eq(msg.get_payload(3).get_payload(decode=True),
            'This has no Content-Transfer-Encoding: header.\n')
Index: Lib/email/test/data/msg_10.txt
===================================================================
--- Lib/email/test/data/msg_10.txt	(revision 78650)
+++ Lib/email/test/data/msg_10.txt	(working copy)
@@ -21,7 +21,7 @@
 Content-Type: text/plain; charset="iso-8859-1"
 Content-Transfer-Encoding: Base64
 
-VGhpcyBpcyBhIEJhc2U2NCBlbmNvZGVkIG1lc3NhZ2Uu
+VGhpcyBpcyBhIEJhc2U2NCBlbmNvZGVkIG1lc3NhZ2UuCg==
 
 
 --BOUNDARY
Index: Lib/email/test/test_email.py
===================================================================
--- Lib/email/test/test_email.py	(revision 78650)
+++ Lib/email/test/test_email.py	(working copy)
@@ -204,7 +204,7 @@
            '\xa1This is a Quoted Printable encoded message!\n')
         # Subpart 3 is base64
         eq(msg.get_payload(2).get_payload(decode=True),
-           'This is a Base64 encoded message.')
+           'This is a Base64 encoded message.\n')
         # Subpart 4 has no Content-Transfer-Encoding: header.
         eq(msg.get_payload(3).get_payload(decode=True),
            'This has no Content-Transfer-Encoding: header.\n')
Index: Lib/email/utils.py
===================================================================
--- Lib/email/utils.py	(revision 78650)
+++ Lib/email/utils.py	(working copy)
@@ -60,14 +60,9 @@
 
 
 def _bdecode(s):
-    # We can't quite use base64.encodestring() since it tacks on a "courtesy
-    # newline".  Blech!
     if not s:
         return s
-    value = base64.decodestring(s)
-    if not s.endswith('\n') and value.endswith('\n'):
-        return value[:-1]
-    return value
+    return base64.decodestring(s)