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

From: Gregory Heytings <[email-masked]>
Date: Fri, 16 Sep 2022 19:34:41 +0000

>>>> (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)))))
>>>
>>> Why shouldn't this be the default behavior?
>>
>> I think because fit-window-to-buffer isn't supposed to move point, and 
>> point would become invisible if it is not moved.
>
> Is that a problem? I mean, is it possible for the point to be invisible?
>

No, Emacs does its best to ensure that point is always visible.  That's 
the reason of the scrolling you see: without scrolling (which hides the 
first half of the buffer) point would be invisible.