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For DRIVER-LOOP see Figure 1. For VALUE and BIND see Figure 3. For EVCOND and EVLIS see Figure 2.

Figure 9 An Evaluator for Local Lexical Scoping and Dynamic Top-Level References

Ugh bletch, PROCEDURES is back! Also, there are two kinds of user-defined procedural objects floating around. There happens to be another way to fix the top level, which yields additional flavor. We note that