Fixed index references to modules.
diff --git a/Doc/lib/libpickle.tex b/Doc/lib/libpickle.tex
index 110a074..508e50d 100644
--- a/Doc/lib/libpickle.tex
+++ b/Doc/lib/libpickle.tex
@@ -25,7 +25,7 @@
to send them across a network or store them in a database. The module
\code{shelve} provides a simple interface to pickle and unpickle
objects on ``dbm''-style database files.
-\stmodindex{shelve}
+\refstmodindex{shelve}
\strong{Note:} The \code{pickle} module is rather slow. A
reimplementation of the same algorithm in C, which is up to 1000 times
@@ -36,7 +36,7 @@
Unlike the built-in module \code{marshal}, \code{pickle} handles the
following correctly:
-\stmodindex{marshal}
+\refbimodindex{marshal}
\begin{itemize}
@@ -74,7 +74,7 @@
long as \code{marshal} continues to be used for reading and writing
code objects), and at least this avoids the possibility of smuggling
Trojan horses into a program.
-\stmodindex{marshal}
+\refbimodindex{marshal}
For the benefit of persistency modules written using \code{pickle}, it
supports the notion of a reference to an object outside the pickled