Re: Emacs terminology (not again!?)

[Eli Zaretskii]

> From: David Kastrup <address@hidden>
> Cc: address@hidden
> Date: Sat, 18 Jan 2014 12:01:21 +0100
> 
> >> There is no concept of a "window start" in terms of a text position
> >> that can move away from point
> >
> > A window start is just a buffer position, so I'm not following your
> > argument here.
> >
> >> and no real way to implement that.
> >
> > ??? Why not?  Perhaps you mean no way to implement that easily, or
> > maybe in Lisp alone.
> 
> If the task is "let the window start with the given buffer position even
> if this makes point go off-screen", a reasonably simple task
> description, window-vscroll does not seem like a useful tool for that.

Maybe not.  I'm just saying that there's no relation between point and
window-start that is somehow hardcoded in the design.  I'm also saying
that window-vscroll and its supporting code is evidence how we can
show stuff on screen without showing point.