--- a/handouts/ho01.tex	Mon Sep 01 18:05:39 2014 +0100
+++ b/handouts/ho01.tex	Wed Sep 03 11:01:49 2014 +0100
@@ -1,18 +1,14 @@
 \documentclass{article}
-\usepackage{hyperref}
-\usepackage{amssymb}
-\usepackage{amsmath}
-\usepackage[T1]{fontenc}
+\usepackage{../style}
 \usepackage{../langs}
 
-\newcommand{\dn}{\stackrel{\mbox{\scriptsize def}}{=}}%
 
 
 \begin{document}
 
 \section*{Handout 1}
 
-This course is about the processing of strings. Lets start with what we mean by \emph{strings}. Strings
+This module is about the processing of strings. Lets start with what we mean by \emph{strings}. Strings
 (they are also sometimes referred to as \emph{words}) are lists of characters drawn from an \emph{alphabet}. 
 If nothing else is specified, we usually assume 
 the alphabet consists of just the lower-case letters $a$, $b$, \ldots, $z$. Sometimes, however, we explicitly