Re: Make scroll-{up, down} move point to {start, end} of newly visible text

[Emanuel Berg]

Eli Zaretskii wrote:

>>> We have this only for scrolling with the scroll bar: see
>>> scroll-bar-adjust-thumb-portion. Implementing this for
>>> every possible kind of scrolling would need changes to
>>> C code, I think, since scrolling is actually performed by
>>> the display engine.
>> 
>> If one can get the state of scrolling in a window in Elisp
>> one could solve this in Elisp only since then one could
>> write a new scroll function on top of the old, and what it
>> would do is - based on that information - it would either
>> scroll normally or not call the function at all, if
>> scrolling was determined not to make any sense.
>
> I think your mental model of how scrolling works in Emacs is
> not accurate. [...]

That can be helped,

(defun scroll-up-1 ()
  (interactive)
  (scroll-down 1) )

(defun scroll-down-1 ()
  (interactive)
  (scroll-up 1) )

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