-;;;###autoload (let ((dir file))
-;;;###autoload (while (and (stringp dir)
-;;;###autoload (not (equal
-;;;###autoload dir (setq dir (file-name-directory dir))))
-;;;###autoload dir)
-;;;###autoload (setq dir (if (file-directory-p
-;;;###autoload (expand-file-name "{arch}" dir))
-;;;###autoload t (directory-file-name dir))))
-;;;###autoload (if (eq dir t)
-;;;###autoload (progn
-;;;###autoload (load "vc-arch")
-;;;###autoload (vc-arch-registered file)))))
+;;;###autoload (if (vc-find-root file "{arch}/=tagging-method")
+;;;###autoload (progn
+;;;###autoload (load "vc-arch")
+;;;###autoload (vc-arch-registered file))))