The email package version 1.0, prototyped as mimelib
<http://sf.net/projects/mimelib>.  There /are/ API differences between
mimelib and email, but most of the implementations are shared (except
where cool Py2.2 stuff like generators are used).
diff --git a/Lib/email/MessageRFC822.py b/Lib/email/MessageRFC822.py
new file mode 100644
index 0000000..81cc4dc
--- /dev/null
+++ b/Lib/email/MessageRFC822.py
@@ -0,0 +1,24 @@
+# Copyright (C) 2001 Python Software Foundation
+# Author: barry@zope.com (Barry Warsaw)
+
+"""Class for generating message/rfc822 MIME documents.
+"""
+
+import Message
+import MIMEBase
+
+
+
+class MessageRFC822(MIMEBase.MIMEBase):
+    """Class for generating message/rfc822 MIME documents."""
+
+    def __init__(self, _msg):
+        """Create a message/rfc822 type MIME document.
+
+        _msg is a message object and must be an instance of Message, or a
+        derived class of Message, otherwise a TypeError is raised.
+        """
+        MIMEBase.MIMEBase.__init__(self, 'message', 'rfc822')
+        if not isinstance(_msg, Message.Message):
+            raise TypeError, 'Argument is not an instance of Message'
+        self.set_payload(_msg)