isted and you can add/edit/remove entries.</li>
        <li>From the user context menu (when you click on a user, then <code>Addressbook</code>)
        where the entry for this user can be directly added/edited/removed. There
        you can just select/unselect the categories this user should be in
        (although only the categories that are already used in the addressbook
        are listed, so if you want to add a completely
        new category, you have to add it once by manually editing an entry).