--- a/hws/hw01.tex	Fri May 06 13:15:52 2016 +0100
+++ b/hws/hw01.tex	Wed Jun 01 13:04:06 2016 +0100
@@ -66,7 +66,9 @@
       For example $a + b$ and $b + a$ do not count\ldots they
       obviously match the same strings, namely $[a]$ and
       $[b]$.
-  
+
+
+\item \POSTSCRIPT  
 \end{enumerate}
 
 \end{document}