New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/libamoeba.tex b/Doc/lib/libamoeba.tex
index e59b487..3bc7b89 100644
--- a/Doc/lib/libamoeba.tex
+++ b/Doc/lib/libamoeba.tex
@@ -1,6 +1,7 @@
 \chapter{Amoeba Specific Services}
 
-\section{Built-in Module \module{amoeba}}
+\section{\module{amoeba} ---
+         None}
 \declaremodule{builtin}{amoeba}
 
 \modulesynopsis{None}