Make internal module references hyperlinks wherever it makes sense.
diff --git a/Doc/lib/librfc822.tex b/Doc/lib/librfc822.tex
index d2b1dbb..b873763 100644
--- a/Doc/lib/librfc822.tex
+++ b/Doc/lib/librfc822.tex
@@ -1,7 +1,7 @@
\section{\module{rfc822} ---
- Parse RFC 822 mail headers.}
-\declaremodule{standard}{rfc822}
+ Parse RFC 822 mail headers}
+\declaremodule{standard}{rfc822}
\modulesynopsis{Parse \rfc{822} style mail headers.}
This module defines a class, \class{Message}, which represents a
@@ -11,7 +11,7 @@
\class{AddressList} for parsing RFC822 addresses.
Note that there's a separate module to read \UNIX{}, MH, and MMDF
-style mailbox files: \module{mailbox}\refstmodindex{mailbox}.
+style mailbox files: \refmodule{mailbox}\refstmodindex{mailbox}.
\begin{classdesc}{Message}{file\optional{, seekable}}
A \class{Message} instance is instantiated with an input object as