Make internal module references hyperlinks wherever it makes sense.
diff --git a/Doc/lib/libstring.tex b/Doc/lib/libstring.tex
index a83d821..e2023de 100644
--- a/Doc/lib/libstring.tex
+++ b/Doc/lib/libstring.tex
@@ -1,13 +1,13 @@
\section{\module{string} ---
- Common string operations.}
-\declaremodule{standard}{string}
+ Common string operations}
+\declaremodule{standard}{string}
\modulesynopsis{Common string operations.}
This module defines some constants useful for checking character
classes and some useful string functions. See the module
-\module{re}\refstmodindex{re} for string functions based on regular
+\refmodule{re}\refstmodindex{re} for string functions based on regular
expressions.
The constants defined in this module are are: