New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/libgetopt.tex b/Doc/lib/libgetopt.tex
index 6f839a7..72824a7 100644
--- a/Doc/lib/libgetopt.tex
+++ b/Doc/lib/libgetopt.tex
@@ -1,4 +1,5 @@
-\section{Standard Module \module{getopt}}
+\section{\module{getopt} ---
+         Parser for command line options.}
 \declaremodule{standard}{getopt}
 
 \modulesynopsis{Parser for command line options.}