Note how we landed on the line over where we started.

> The original report was talking about C-v followed by M-v producing a
> 1-line displacement.  Is _that_ the problem?  If so, why did you
> expect Emacs to come to the same place, AFAIK there's no guarantee of
> that when variable-height text is involved.

Shouldn't there be?  Going back a page and forward a page should ideally
land you on the same line.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no