bug#53671: 26.3; Doc of `pre-redisplay-functions'

[Eli Zaretskii]

> From: Drew Adams <drew.adams@oracle.com>
> Date: Mon, 31 Jan 2022 22:06:03 +0000
> 
> The doc (string and Elisp manual) does not say what args the functions
> are expected to accept.  It says only that the hook "is called once in
> each window that is about to be redisplayed".

You are again reading a doc string in an old Emacs version.  the
current doc string does describe the argument with which the function
is called.