We argued in section 4.1.6 that internal definitions for block structure should not be considered ''real''
s. Rather, a procedure body should be interpreted as if the internal variables being
d were installed as ordinary
variables initialized to their correct values using
. Section 4.1.6 and exercise
showed how to modify the metacircular interpreter to accomplish this by scanning out internal definitions. Modify the compiler to perform the same transformation before it compiles a procedure body.
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