bug#57837: 29.0.50; fit-window-to-buffer should reposition the buffer

[Eli Zaretskii]

> Cc: 57837@debbugs.gnu.org
> From: Sam Steingold <sds@gnu.org>
> Date: Thu, 15 Sep 2022 18:45:15 -0400
> 
> > * Gregory Heytings <tertbel@urlgvatf.bet> [2022-09-15 19:34:38 +0000]:
> >
> >>
> >> When the buffer is smaller than the window, move the point to the end
> >> and do `C-x w -` (fit-window-to-buffer).
> >>
> >> The window shrinks, but it is empty - the whole buffer is above.
> >>
> >
> > (advice-add 'fit-window-to-buffer :after
> >         (lambda () (and (= (count-lines (point-min) (point-max)) (1- 
> > (window-height)))
> >                         (or (< (point) (point-max)) (forward-line -1) t)
> >                         (set-window-start nil (point-min)))))
> 
> Thank you.
> 
> Why shouldn't this be the default behavior?

I thought I explained that it wasn't needed?