bug#21729: doc-view messed up by early auto-revert

[Lars Ingebrigtsen]

It seems the original issue reported here was fixed, but then an
enhancement request is discussed:

Tassilo Horn <tsdh@gnu.org> writes:

> Alternatively, we could of course enhance autorevert.el, e.g., by
> introducing some buffer-local variable `auto-revert-predicate' which is
> run by auto-revert in order to test if the current buffer can be
> reverted right now.  That could then be used by doc-view, and I guess
> there are other modes which could make use of such a feature, too.
>
> Stefan, do you think that would be a good idea?

I'm not Stefan, but I think that sounds like a good idea.

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