--- a/handouts/ho05.tex	Thu Apr 16 19:15:46 2020 +0100
+++ b/handouts/ho05.tex	Wed May 06 15:37:31 2020 +0100
@@ -16,6 +16,10 @@
 % Language hierachy is about complexity
 %    How hard is it to recognise an element in a language
 
+% Pratt parsing
+% https://matklad.github.io/2020/04/13/simple-but-powerful-pratt-parsing.html
+% https://www.oilshell.org/blog/2017/03/31.html
+
 \begin{document}
 
 \section*{Handout 5 (Grammars \& Parser)}