New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/libcode.tex b/Doc/lib/libcode.tex
index 12728c7..ab80fc1 100644
--- a/Doc/lib/libcode.tex
+++ b/Doc/lib/libcode.tex
@@ -1,4 +1,5 @@
-\section{Standard Module \module{code}}
+\section{\module{code} ---
+         Code object services.}
 \declaremodule{standard}{code}
 
 \modulesynopsis{Code object services.}