Michael Albinus <michael.albinus@gmx.de> writes:

> Maybe you can set file-notify-debug to t? You will see how events go
> around.

Thanks for this, it helps.

This happen on emacs-27:

;; file-notify-handle-event (file-notify (#<process gio<4>> (changes-done-hint) "/sudo:root@IPadS340:/home/thierry/tmp/test.txt" nil) file-notify-callback)
;; file-notify-handle-event (file-notify (#<process gio<4>> (attribute-changed) "/sudo:root@IPadS340:/home/thierry/tmp/test.txt" nil) file-notify-callback)

On emacs-28 nothing happen when modifying externally same directory
(tmp).


-- 
Thierry