bug#32850: 27.0.50; window-swap-states doesn't swap window prev/next-buffers

[martin rudalics]

> I proposed one workaround:
>
>    (delete-other-windows) (split-window) (delete-window)

OK.  If we document it sufficiently, let's use that.

>> Pumping up the window's sequence number, for example?
>
> What will 'eq' return on windows with different sequence numbers?

t if it is the same window object.  I obviously meant the caller to
check the sequence number in addition to 'eq'.

martin