New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/libre.tex b/Doc/lib/libre.tex
index 79d93ad..a453fbf 100644
--- a/Doc/lib/libre.tex
+++ b/Doc/lib/libre.tex
@@ -1,4 +1,5 @@
-\section{Standard Module \module{re}}
+\section{\module{re} ---
+         New Perl-style regular expression search and match operations.}
 \declaremodule{standard}{re}
 \moduleauthor{Andrew M. Kuchling}{akuchling@acm.org}
 \sectionauthor{Andrew M. Kuchling}{akuchling@acm.org}