> On some related lists, I have
>
> OWNER= OWNER(own_list)
>
> where the parens are required, and own_list is a different list whose
> owners can be changed in one "place" but affect ownership of any list
> that has referred to it.

You can also use  .IK filename   in a list header. Where the filename
contains the Owner= keywords.  Then you can just edit one file for all the
lists using that filename for the Owners...