An informative error message.

diff --git a/lisp/mm-extern.el b/lisp/mm-extern.el
index 2fb535b..f2b20f9 100644 (file)
--- a/lisp/mm-extern.el
+++ b/lisp/mm-extern.el
@@ -52,7 +52,7 @@
     (mm-disable-multibyte-mule4)
     (if (file-exists-p name)
        (mm-insert-file-contents name nil nil nil nil t)
-      (error "The file is gone."))))
+      (error (format "File %s is gone." name)))))
 
 (defun mm-extern-url (handle)
   (erase-buffer)