bug#6671: moving point and scroll-conservatively

[Chong Yidong]

Eli Zaretskii <eliz@gnu.org> writes:

> Whether the threshold value of scroll-conservatively for never
> recentering is 300 or not is not important, as long as we document
> that threshold.  (FWIW, I'd go with a lower number, like 100.)

Sounds fine by me.

> What I mean to do is make it so redisplay always positions point on
> the last or first line of the window when scroll-conservatively is a
> large number, so it would never-ever recenter in that case, not even
> if try_scrolling fails.

Yes, we agree.  OTOH, the easiest way to do this is probably by choosing
an appropriate value of centering_position in redisplay_window, but it's
up to you.  Just remember to take scroll-margin into account.