Undocumented predicates
The following predicates are exported, but not or incorrectly documented.
-  fact_near(Arg1)
-  fact_near(Arg1, Arg2)
-  retract_near(Arg1)
-  retractall_near(Arg1)
-  real_near(Arg1, Arg2)
-  real_compare(Arg1, Arg2, Arg3)
-  near_compare(Arg1, Arg2, Arg3)
-  unify_near(Arg1, Arg2)
-  equiv_near(Arg1, Arg2)
-  repsilon(Arg1)
-  repsilon(Arg1, Arg2)