;;;
 
 (when (featurep 'utf-2000)
-  (setq default-coded-charset-priority-list
+  (setq default-coded-charset-priority-list-for-font
        '(ascii
          control-1
          latin-iso8859-1
           ;; katakana-jisx0208
          japanese-jisx0208
          hebrew-iso8859-8
-         vietnamese-viscii-lower
-         vietnamese-viscii-upper)))
+         latin-viscii))
+  (setq default-coded-charset-priority-list
+       (append default-coded-charset-priority-list-for-font
+               '(vietnamese-viscii-lower
+                 vietnamese-viscii-upper)))
+  )
 
 ;;; mule-charset.el ends here