aken by the
    <a href="policy.html">predefined policy functors</a> to handle
    system components: they redirect imports of these
    components to safe wrappers that check capabilities for individual
    operations.

    For this reason, the action taken for white-listed URLs should be
    <TT>PASS</TT> like above,
    not <TT>ACCEPT</TT>, since accepted URLs still have to be rewritten 
    and delegated to the parent component manager, which is performed by the
    initial rules already set by the func