Merge email package 4.0 from the sandbox, including documentation, test cases,
and NEWS updates.
diff --git a/Doc/lib/emailiter.tex b/Doc/lib/emailiter.tex
index d1a8f98..ef8ef6f 100644
--- a/Doc/lib/emailiter.tex
+++ b/Doc/lib/emailiter.tex
@@ -1,8 +1,8 @@
-\declaremodule{standard}{email.Iterators}
+\declaremodule{standard}{email.iterators}
 \modulesynopsis{Iterate over a  message object tree.}
 
 Iterating over a message object tree is fairly easy with the
-\method{Message.walk()} method.  The \module{email.Iterators} module
+\method{Message.walk()} method.  The \module{email.iterators} module
 provides some useful higher level iterations over message object
 trees.