--- a/handouts/scala-ho.tex	Wed Apr 06 15:55:01 2016 +0100
+++ b/handouts/scala-ho.tex	Fri May 06 13:15:52 2016 +0100
@@ -3,6 +3,8 @@
 \usepackage{../langs}
 \usepackage{marvosym}
 
+%cheat sheet
+%http://worldline.github.io/scala-cheatsheet/
 
 \begin{document}