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On reflection, the interaction-environment is the only standard environment that is mutable, so there's no need to add this argument to the standard, simply to specify that load mutates the interaction environment. Schemes with first-class environments can add the second argument as an extension, but we need not say so.
On reflection, the interaction-environment is the only standard environment that is mutable, so there's no need to add this argument to the standard, simply to specify that load mutates the interaction environment. Schemes with first-class environments can add the second argument as an extension, but we need not say so.