Re: Allowing point to be outside the window?

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

> I already provided an example where this could not be what users
> expect: some command inserts text before the window-start, which
> causes the text shown in the window to move if we use the same
> window-start position.  Now, window-start is a marker, so
> theoretically we could use the same marker with the buffer position
> updated due to the insertion, in which case the stuff displayed in the
> window may stay unchanged.

> But is this what users will expect?  And if this is not what users
> expect, i.e. if we will need to recompute window-start anew in that
> case, we cannot use the "recenter around point" fallback.  Likewise
> with bringing point into the view: will this be what users expect in
> the described situation?

To be completely clear, the "recenter around point" fallback you allude
to is the code under the `recenter' label in `redisplay_window',
correct?

Please forgive me if this has been answered before, but I haven't been
working on this in a while, and my memory is already getting rusty.

Thanks.