--- a/handouts/ho04.tex Tue Oct 01 23:40:25 2019 +0100
+++ b/handouts/ho04.tex Tue Oct 01 23:49:39 2019 +0100
@@ -801,19 +801,19 @@
\begin{center}\tt
\begin{tabular}{l}
-KEYWORD(if),\\
-WHITESPACE,\\
-IDENT(true),\\
-WHITESPACE,\\
-KEYWORD(then),\\
-WHITESPACE,\\
-KEYWORD(then),\\
-WHITESPACE,\\
-NUM(42),\\
-WHITESPACE,\\
-KEYWORD(else),\\
-WHITESPACE,\\
-OP(+)
+(k, if),\\
+(w, " "),\\
+(i, true),\\
+(w, " "),\\
+(k, then),\\
+(w, " "),\\
+(k, then),\\
+(w, " "),\\
+(n, 42),\\
+(w, " "),\\
+(k, else),\\
+(w, " "),\\
+(o, +)
\end{tabular}
\end{center}
@@ -822,13 +822,13 @@
\begin{center}\tt
\begin{tabular}{l}
-KEYWORD(if),\\
-IDENT(true),\\
-KEYWORD(then),\\
-KEYWORD(then),\\
-NUM(42),\\
-KEYWORD(else),\\
-OP(+)
+ (k, if),\\
+ (i, true),\\
+ (k, then),\\
+ (k, then),\\
+ (n, 42),\\
+ (k, else),\\
+ (o, +)
\end{tabular}
\end{center}