Adjusted to use the new module synopsis support macros.
diff --git a/Doc/lib/libre.tex b/Doc/lib/libre.tex
index 849fa28..c194213 100644
--- a/Doc/lib/libre.tex
+++ b/Doc/lib/libre.tex
@@ -1,7 +1,9 @@
 \section{Built-in Module \module{re}}
-\label{module-re}
+\declaremodule{builtin}{re}
 
-\bimodindex{re}
+
+\modulesynopsis{New Perl-style regular expression search and match operations.}
+
 
 This module provides regular expression matching operations similar to
 those found in Perl.  It's 8-bit clean: the strings being processed