Split the long email package examples into separate files and use

\verbatiminput instead of the verbatim environment -- this does the "right
thing" regarding page breaks in long examples for the typeset formats, and
has nice benefits for the HTML version as well.

Doc/lib/email-mime.py

@@ -0,0 +1,34 @@
+# Import smtplib for the actual sending function
+import smtplib
+
+# Here are the email pacakge modules we'll need
+from email.MIMEImage import MIMEImage
+from email.MIMEMultipart import MIMEMultipart
+
+COMMASPACE = ', '
+
+# Create the container (outer) email message.
+msg = MIMEMultipart()
+msg['Subject'] = 'Our family reunion'
+# me == the sender's email address
+# family = the list of all recipients' email addresses
+msg['From'] = me
+msg['To'] = COMMASPACE.join(family)
+msg.preamble = 'Our family reunion'
+# Guarantees the message ends in a newline
+msg.epilogue = ''
+
+# Assume we know that the image files are all in PNG format
+for file in pngfiles:
+    # Open the files in binary mode.  Let the MIMEImage class automatically
+    # guess the specific image type.
+    fp = open(file, 'rb')
+    img = MIMEImage(fp.read())
+    fp.close()
+    msg.attach(img)
+
+# Send the email via our own SMTP server.
+s = smtplib.SMTP()
+s.connect()
+s.sendmail(me, family, msg.as_string())
+s.close()