Raymond observed that sometimes it's better not to link modules, so I reverted

part of my previous last changes.

Doc/tut/tut.tex

@@ -4682,9 +4682,9 @@ quickly demonstrates a modest performance advantage:
 \end{verbatim}
 
 In contrast to \module{timeit}'s fine level of granularity, the
-\ulink{\module{profile}}{../lib/module-profile.html} and
-\ulink{\module{pstats}}{../lib/module-pstats.html} modules provide tools for
-identifying time critical sections in larger blocks of code.
+\ulink{\module{profile}}{../lib/module-profile.html} and \module{pstats}
+modules provide tools for identifying time critical sections in larger blocks
+of code.
 
 
 \section{Quality Control\label{quality-control}}
@@ -4744,10 +4744,9 @@ packages. For example:
   Despite the names, no direct knowledge or handling of XML is needed.
 \item The \ulink{\module{email}}{../lib/module-email.html} package is a library
   for managing email messages, including MIME and other RFC 2822-based message
-  documents. Unlike \ulink{\module{smptlib}}{../lib/module-smtplib.html} and
-  \ulink{\module{poplib}}{../lib/module-poplib.html} which actually send and
-  receive messages, the email package has a complete toolset for building or
-  decoding complex message structures (including attachments) and for
+  documents. Unlike \module{smptlib} and \module{poplib} which actually send
+  and receive messages, the email package has a complete toolset for building
+  or decoding complex message structures (including attachments) and for
   implementing internet encoding and header protocols.
 \item The \ulink{\module{xml.dom}}{../lib/module-xml.dom.html} and
   \ulink{\module{xml.sax}}{../lib/module-xml.sax.html} packages provide robust