Adding an example of reproducing the rfc822.Message() parsing.
diff --git a/Doc/library/email-examples.rst b/Doc/library/email-examples.rst
index c1b16da..32cecf3 100644
--- a/Doc/library/email-examples.rst
+++ b/Doc/library/email-examples.rst
@@ -11,6 +11,12 @@
 .. literalinclude:: ../includes/email-simple.py
 
 
+And parsing RFC822 headers can easily be done by the parse(filename) or
+parsestr(message_as_string) methods of the Parser() class:
+
+.. literalinclude:: ../includes/email-headers.py
+
+
 Here's an example of how to send a MIME message containing a bunch of family
 pictures that may be residing in a directory: