bug#69511: Restore any state after revert-buffer

[Michael Heerdegen]

Juri Linkov <juri@linkov.net> writes:

> +  (add-hook 'revert-buffer-state-functions
> +            (lambda ()
> +              (when (bound-and-true-p outline-minor-mode)
> +                (lambda ()
> +                  (outline-minor-mode-highlight-buffer))))))

Side note: most of the time it's better to avoid to add lambdas to hooks
for several reasons (non-trivial identity checks; inspection of the
variable by the user) when possible.

Michael.