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  • Robert Goldman's avatar
    Fix the modal logic of TYPE=. · 613b4793
    Robert Goldman authored
    Computing the correct return value of TYPE= requires combining the
    primary and secondary returns of SUBTYPEP correctly.  Previously the
    return value for combining (NIL NIL) and (T T) was incorrectly (NIL T)
    instead of (NIL NIL).
    613b4793