Undocumented predicates
The following predicates are exported, but not or incorrectly documented.
- member_0(Arg1, Arg2)
- memberchk(Arg1, Arg2)
- list_insert(Arg1, Arg2)
- add_after(Arg1, Arg2, Arg3, Arg4)
- add_before(Arg1, Arg2, Arg3, Arg4)
- delete(Arg1, Arg2, Arg3)
- subtract(Arg1, Arg2, Arg3)
- union_idlists(Arg1, Arg2, Arg3)