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diff --git a/topics/_week7_eval_cl.mdwn b/topics/_week7_eval_cl.mdwn
index 2815817..ef5a209 100644 (file)
--- a/topics/_week7_eval_cl.mdwn
+++ b/topics/_week7_eval_cl.mdwn
@@ -351,3 +351,8 @@ this discussion:
 *How can we can we specify the evaluation order of a computational
 system in a way that is completely insensitive to the evaluation order
 of the specification language?*
+
+
+[By the way, the evaluators given here are absurdly inefficient computationally.
+Some computer scientists have trouble even looking at code this inefficient, but 
+the emphasis here is on getting the concepts across as simply as possible.]