(if (buffer-modified-p (get-file-buffer file))
(error "Please kill or save all modified buffers before updating."))
(if (vc-up-to-date-p file)
- (vc-checkout file nil "")
+ (vc-checkout file nil t)
(if (eq (vc-checkout-model file) 'locking)
(if (eq (vc-state file) 'edited)
(error "%s"