code: function (subject) {
      var ns = UI.ns
      var kb = UI.store
      var t = kb.findTypeURIs(subject)
      if (t[ns.rdfs('Class').uri]) return 'creation forms'
      // if (t[ns.rdf('Property').uri]) return "user interface";
      if (t[ns.ui('Form').uri]) return 'edit form'
  
      return null // No under other circumstances (while testing at least!)
    }
docs: Does the subject deserve this pane?