-permissive_filter (GtkTreeModel *model, GtkTreeIter *iter,
- PsppireSelector *selector)
-{
- return FALSE;
-}
-
-/* Default visibility filter for GtkTreeView DEST widget */
-static gboolean
-is_item_in_dest (GtkTreeModel *model, GtkTreeIter *iter,
- PsppireSelector *selector)