(if (and enable-multibyte-characters
(or (eq coding-system 'no-conversion)
(eq (coding-system-type coding-system) 5))
- ;; If buffer was unmodified, we must be visiting it.
- (not modified-p))
+ ;; If buffer was unmodified and the size is the
+ ;; same as INSERTED, we must be visiting it.
+ (not modified-p)
+ (= (buffer-size) inserted))
;; For coding systems no-conversion and raw-text...,
;; edit the buffer as unibyte.
(let ((pos-byte (position-bytes (+ (point) inserted))))