Comment on interp-R0, CC #8

book.tex

@@ -613,7 +613,10 @@ to variable \texttt{v}.
        [`(program ,(app interp-R0 v)) v]
        ))
 \end{lstlisting}
-\caption{Interpreter for the $R_0$ language.}
+\caption{Interpreter for the $R_0$ language.
+  \rn{Having two functions here for prog/exp wouldn't take much more space.
+    I'll change that once I get further.. but I also need to know what the story
+   is for running this code?}}
 \label{fig:interp-R0}
 \end{figure}