bug#33871: 27.0.50; Revert Dired window saved in window configuration

[martin rudalics]

> I see that without `goto-char' it moves to the first file name in the
> selected window.

I see the same here.  In the selected window only, though.

> I don't understand how 'set-window-configuration' restores
> the selected window's point.

From the buffer's point as established by the revert function of dired
for buffers not displayed anywhere.

>> To confirm, try with the upper window selected instead.
>
> Here is when the upper window is selected, but still it moves to (point-max)
> in non-selected window:
>
> (progn (dired "/tmp")
>         (dired-other-window "/tmp") (other-window 1)
>         (let ((w-c (current-window-configuration))
>         (p-m (point-marker)))
>     (view-emacs-todo) (delete-other-windows)
>     (with-current-buffer (get-buffer "tmp")
>       (revert-buffer))
>     (set-window-configuration w-c)))

In every non-selected window.  Try with as many windows as you want.
Only the selected window is handled separately.

martin