ass="quote">match any of the roles that are directly or indirectly members
       of this role</span>”</span>, while a name without a <code class="literal">+</code> mark matches
       only that specific role.) For this purpose, a superuser is only
       considered to be a member of a role if they are explicitly a member
       of the role, directly or indirectly, and not just by virtue of
       being a superuser.
       Multiple user names and/or regular expressions can be supplied by
       separating