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  • Francois-Rene Rideau's avatar
    Use NIL for actions visited with status unknown · 5153251e
    Francois-Rene Rideau authored
    Use NIL instead of T as the status stored in the visited-actions hash-table
    when the status is unknown, and check whether it (or a known status) is present
    using the second value of GETHASH. When a known value is sought, keep checking
    for the first value.
    5153251e