const gchar *history_list_find_last_path_by_key(const gchar *key);
+const gchar *history_chain_back();
+const gchar *history_chain_forward();
+void history_chain_append_end(const gchar *path);
+
/* the returned GList is internal, don't free it */
GList *history_list_get_by_key(const gchar *key);