           info.row.classList.add('expand')
 
           max = expanded.count
-          max++ if Editing && !expanded.category.fixed
+          max++ if Editing && expanded.category != Key
           return if max <= 1
           next = info.row.nextSibling
           start = expanded.count == 1

                # for now, just go to slot edit
                $location.url(info.slot.editRoute())
                return
              return if info.slot.id == volume.top.id
              c = info.category
              if info.d?
                editInput.value = info.d + ''

              return if info.metric.readonly
              editScope.type = info.metric.type
              if info.c == 'slot'
                v = info.slot?[m]
                if m == 'release'
                  ### jshint ignore:start ###
                  v ||= 0
