bug#38164: quit-restore-window doesn't restore point in man

[martin rudalics]

> This is the case that I meant:
>
>   emacs -Q
>
>   M-x info               ;; don't type RET
>   C-h f RET              ;; describe function 'info'
>   C-x o C-x o            ;; switch to Help window
>   <tab> <return>         ;; visit info.el from help link
>   C-x o C-x o            ;; switch to minibuffer
>   C-g                    ;; exit minibuffer

And if the minibuffer appears on another frame, it will reset that
frame as well.  We could make the behavior customizable with an option
say 'exit-minibuffer-restore-window-configuration', t by default.

martin