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#### 1.8.2 Deprecated Argument Conventions

The ability to pass a numeric argument to gensym has been deprecated.

The `:test-not` argument to the functions in Figure 1–3 are deprecated.

      adjoin             nset-difference    search
      assoc              nset-exclusive-or  set-difference
      count              nsublis            set-exclusive-or
      delete             nsubst             sublis
      delete-duplicates  nsubstitute        subsetp
      find               nunion             subst
      intersection       position           substitute
      member             rassoc             tree-equal
      mismatch           remove             union
      nintersection      remove-duplicates

      Figure 1–3: Functions with Deprecated :TEST-NOT Arguments

The use of the situation names compile, load, and eval in eval-when is deprecated.