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;;;
;;; === Test area for invisibility ===
;;;
(defvar vis nil)
(overlay-put (make-overlay 18 22) 'invisible 'smaller)
(overlay-put (make-overlay 9 43) 'invisible 'larger)
(defun toggle-invis ()
(interactive)
(if vis
(add-to-invisibility-spec '(larger . t))
(remove-from-invisibility-spec '(larger . t)))
(setq vis (not vis)))
;; In this buffer:
;; M-x eval-buffer RET
;; M-x toggle-invis
;; The smaller area remains visible, although there is a surrounding
;; overlay which has an invisibility spec which should cover the
;; revealed characters. Arguably a bug.
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