diff -r 5ac498bffb6b -r 71015f46b3c1 src/HOL/MicroJava/document/introduction.tex
--- a/src/HOL/MicroJava/document/introduction.tex	Thu Feb 21 11:05:20 2002 +0100
+++ b/src/HOL/MicroJava/document/introduction.tex	Thu Feb 21 13:37:09 2002 +0100
@@ -1,5 +1,6 @@
+\chapter{Preface}
 
-\section*{Introduction}
+\section{Introduction}
 \label{sec:introduction}
 
 This document contains the automatically generated listings of the