--- a/hws/hw02.tex	Mon Oct 05 04:05:20 2015 +0100
+++ b/hws/hw02.tex	Thu Oct 08 14:06:18 2015 +0100
@@ -5,6 +5,8 @@
 
 \section*{Homework 2}
 
+\HEADER
+
 \begin{enumerate}
 \item What is the language recognised by the regular expressions
   $(\varnothing^*)^*$.