+const gchar* vik_layer_sublayer_tooltip ( VikLayer *l, gint subtype, gpointer sublayer )
+{
+ if ( vik_layer_interfaces[l->type]->sublayer_tooltip )
+ return vik_layer_interfaces[l->type]->sublayer_tooltip ( l, subtype, sublayer );
+ return NULL;
+}
+
+const gchar* vik_layer_layer_tooltip ( VikLayer *l )
+{
+ if ( vik_layer_interfaces[l->type]->layer_tooltip )
+ return vik_layer_interfaces[l->type]->layer_tooltip ( l );
+ return NULL;
+}
+