bug#19064: 25.0.50; `message' overwrites `y-or-n-p' prompt, so user misses it

[martin rudalics]

> But this problem is not new.  The same can be reproduced
> in older versions with
>
> (progn
>    (man "XYZ")
>    (read-string "-->"))
>
> This is because quit-restore-window moves point to wrong window.

What should 'quit-restore-window' do here in particular?

martin