not make-variable-buffer-local.
;; else we might reappend our own end when we save
(add-hook 'before-save-hook (lambda () (auto-revert-tail-mode 0)) nil t)
(or (local-variable-p 'auto-revert-tail-pos) ; don't lose prior position
- (set (make-variable-buffer-local 'auto-revert-tail-pos)
+ (set (make-local-variable 'auto-revert-tail-pos)
(save-restriction (widen) (1- (point-max)))))
;; let auto-revert-mode set up the mechanism for us if it isn't already
(or auto-revert-mode