New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/libparser.tex b/Doc/lib/libparser.tex
index cbea16d..80ad493 100644
--- a/Doc/lib/libparser.tex
+++ b/Doc/lib/libparser.tex
@@ -9,11 +9,13 @@
 % in any way.
 %
 
-\section{Built-in Module \module{parser}}
+\section{\module{parser} ---
+         Access parse trees of Python code.}
 \declaremodule{builtin}{parser}
+\moduleauthor{Fred L. Drake, Jr.}{fdrake@acm.org}
+\sectionauthor{Fred L. Drake, Jr.}{fdrake@acm.org}
 
-\modulesynopsis{Retrieve and submit parse trees from and to the runtime support
-environment.}
+\modulesynopsis{Access parse trees of Python source code.}
 
 \index{parsing!Python source code}