Re: "... the window start at a meaningless point within a line."

[Eli Zaretskii]

> Date: Tue, 27 Oct 2015 17:35:33 +0000
> Cc: address@hidden
> From: Alan Mackenzie <address@hidden>
> 
> On Tue, Oct 27, 2015 at 01:40:25PM +0000, Alan Mackenzie wrote:
> > Another point I'd appreciate clarification on.  Some while back, for
> > example, your mail of Fri, 16 Oct 2015 20:26:08 +0300, we were talking
> > about the order of screen positions varying non-linearly with buffer
> > positions.  Is it true that if a continuation line begins at buffer
> > position A, then for x < A, buffer position x will be displayed on a
> > previous line?  (And also for x > A, x will be displayed on this line or
> > a subsequent one?)
> 
> I've just found out the answer for myself.  These relationships, however
> desirable they might be, do not hold.  So software which needs to
> determine which (display) line a character is on needs to use the
> move_it_.... routines, somehow.

Yes, correct.