--- a/handouts/ho01.tex	Sat Jan 07 14:56:45 2017 +0000
+++ b/handouts/ho01.tex	Tue Sep 26 14:07:29 2017 +0100
@@ -30,7 +30,7 @@
 % compiler explorer
 % https://gcc.godbolt.org
 
-
+%https://www.youtube.com/watch?v=gmhMQfFQu20
 \begin{document}
 \fnote{\copyright{} Christian Urban, King's College London, 2014, 2015, 2016, 2017}