diff --git a/lisp/language/tai-viet.el b/lisp/language/tai-viet.el
index a262d5738ec..faa666d5533 100644
--- a/lisp/language/tai-viet.el
+++ b/lisp/language/tai-viet.el
@@ -64,3 +64,5 @@ is available at this web page:
 ;; Local Variables:
 ;; coding: utf-8
 ;; End:
+
+;; arch-tag: db4e3377-2ba7-47a0-b173-e44420d540c3
diff --git a/lisp/language/tv-util.el b/lisp/language/tv-util.el
index 0323c9672a6..b8a33fac3e0 100644
--- a/lisp/language/tv-util.el
+++ b/lisp/language/tv-util.el
@@ -144,3 +144,5 @@
 
 ;;
 (provide 'tai-viet-util)
+
+;; arch-tag: a45ac3fc-07d0-44d5-8841-2ebea7e11f5b