So, a new 'eval.hermetic' could be: - 'restricted' i.e. "The top level binding of this in an [hermetic] evaled Program is not the global object, but rather a frozen root object containing just the globals defined in the ES5 spec." - more general with a second 'global' object parameter - which can be frozen (mandatory or optional?).
It would be interesting to see if the upcoming Modules proposal from Ihab and Kris still requires a eval.hermetic and what it's semantics are. There is the opportunity of achieving two goals (SES and Modules) with one feature - which could be relatively easy to implement.
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