Add note

thesis.tex

@@ -753,6 +753,9 @@ non-local exits~\cite{SussmanS75}.
   \slab{Resume}  &  \EC[\Continue~\cont_{\EC'}~V]  &\reducesto& \EC'[V]
 \end{reductions}
 %
+As an aside it is worth mentioning that \citet{CartwrightF92} used a
+variation of $\Catch$ to show that programs can use control operators
+to observe the order of evaluation.
 
 \paragraph{Call-with-current-continuation}
 %