<configure
    xmlns="http://namespaces.zope.org/zope"
    xmlns:browser="http://namespaces.zope.org/browser">

    <!-- We need this both in the viewlet and in Plone's header for rel links,
         so define a view and use it in both places. Note that the actual
         values are request memoized, so the calculations will only be
         performed once.
     -->

    <browser:page
        for="*"
        name="plone_nextprevious_view"
        class=".view.NextPreviousView"
        permission="zope.Public"
        allowed_attributes="next previous enabled"
        />

    <browser:viewlet  
        name="plone.nextprevious"
        manager="plone.app.layout.viewlets.interfaces.IBelowContent"
        class=".view.NextPreviousViewlet"
        permission="zope2.View" 
        />

    <browser:viewlet  
        name="plone.nextprevious.links"
        manager="plone.app.layout.viewlets.interfaces.IHtmlHeadLinks"
        class=".view.NextPreviousLinksViewlet"
        permission="zope2.View" 
        />

</configure>
