Re: [Emacs-diffs] master 4fabcbf: Fix debbugs#20240 part two (jit-lock error during `comment-dwim').

[Stefan Monnier]

> -          (run-hook-with-args 'jit-lock-after-change-extend-region-functions
> -                              start end old-len)
> -          ;; Make sure we change at least one char (in case of deletions).
> -          (setq jit-lock-end (min (max jit-lock-end (1+ start)) (point-max)))
> -          ;; Request refontification.
> -          (put-text-property jit-lock-start jit-lock-end 'fontified nil))
> +          (save-restriction
> +         (widen)
> +         (run-hook-with-args 'jit-lock-after-change-extend-region-functions
> +                             start end old-len)
> +         ;; Make sure we change at least one char (in case of deletions).
> +         (setq jit-lock-end (min (max jit-lock-end (1+ start)) (point-max)))
> +         ;; Request refontification.
> +         (put-text-property jit-lock-start jit-lock-end 'fontified nil)))

Huh.. no, I said that widening during the call to
jit-lock-after-change-extend-region-functions was wrong.  The widening
should only be around the put-text-property.


        Stefan