* lisp/emacs-lisp/autoload.el (autoload--make-defs-autoload): Display warning.

https://lists.gnu.org/archive/html/emacs-devel/2021-08/msg00007.html

diff --git a/lisp/emacs-lisp/autoload.el b/lisp/emacs-lisp/autoload.el
index 9d1ae7059763af40702ba4aa2c5b3e2629da597f..e9a20634af82d4a4215b26cb54141bd676c86d97 100644 (file)
--- a/lisp/emacs-lisp/autoload.el
+++ b/lisp/emacs-lisp/autoload.el
@@ -626,8 +626,8 @@ Don't try to split prefixes that are already longer than that.")
                       (radix-tree-iter-mappings
                        (cdr x) (lambda (s _)
                                  (push (concat prefix s) dropped)))
-                      (message "Not registering prefix \"%s\" from %s.  Affects: %S"
-                               prefix file dropped)
+                      (message "%s:0: Warning: Not registering prefix \"%s\".  Affects: %S"
+                               file prefix dropped)
                       nil))))
               prefixes)))
         `(register-definition-prefixes ,file ',(sort (delq nil strings)