New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/libni.tex b/Doc/lib/libni.tex
index e962eea..fa2b3ee 100644
--- a/Doc/lib/libni.tex
+++ b/Doc/lib/libni.tex
@@ -1,4 +1,5 @@
-\section{Standard Module \module{ni}}
+\section{\module{ni} ---
+         None}
 \declaremodule{standard}{ni}
 
 \modulesynopsis{None}