[Scheme-reports] REPL

[Helmut Eller <eller.helmut@x>]

Section 5.7 talks about a mysterious "top-level" environment.  Is
this any different from the (interaction-environment)?

In Section 5.2 says that a REPL should permit to redefine existing
definitions.  What should happen if a record definition is redefined?
Should existing record instances be considered instances of the new
type?

Helmut


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