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

[hw]

On Mon, 2023-07-31 at 16:18 -0400, Spencer Baugh wrote:
> After I use scroll-up or scroll-down, I want to start reading the new
> text on the screen.  But it's easy to lose track of where the new text
> start, especially with larger values of next-screen-context-lines.
> 
> So, I would like scrolling to move point to the division between old and
> new text.  Then the location of the cursor will help me keep track of
> which text is new and which text is old.
>
> Concretely, this means scroll-up should put point at the beginning of
> the new text (and therefore at the end of the old text), and scroll-down
> should put point at the end of the new text (and therefore at the
> beginning of the old text).
> 
> Is this possible?

Maybe try the following:


(setq scroll-preserve-screen-position t)
(setq scroll-conservatively 0)
(setq scroll-margin 1)


With this, I can see point and that is where the text scrolls to.

> Alternative suggestions for how I can keep track of what text is new on
> screen after scrolling are also appreciated.
> 
> I think I only want this for scroll-{up,down} and
> scroll-other-window{,-down} but possibly it would make sense for other
> commands which I don't know.
> 
> (I would file a bug requesting this feature, but scrolling is so
> fundamental that perhaps this is already supported by some combination
> of features which I don't know)

Have you tried scroll-lock-mode?