Re: centering_position in redisplay_window?

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

> It is a distance in pixels from point to the position of window-start
> that would cause point to be displayed in the middle of the window.
>
> IOW, if window-start is set to the position whose Y coordinate is
> centering_position pixels above or below point, the window will show
> point at its center.  (Whether it's above or below depends on where
> point is wrt the current window display.)
>
> Note that "centering" is not necessarily literally the middle of the
> window it could be elsewhere subject to scroll-aggressively and
> scroll-conservatively.

Thanks for the explanation, I think I understand now.