--- a/handouts/ho03.tex	Wed Oct 11 13:48:53 2017 +0100
+++ b/handouts/ho03.tex	Wed Oct 11 14:33:13 2017 +0100
@@ -1534,6 +1534,9 @@
 
 \subsection*{Where Have Derivatives Gone?}
 
+Still to be done\bigskip
+
+\noindent
 By now you are probably fed up with this text. It is now way too long
 for one lecture, but there is still one aspect of the
 automata-regular-expression-connection I like to describe. Perhaps by