There was a Difference browser for VW which I got from the Manchester archive
(now defunct).  There is probably a copy at UIUC.

When I got time, if anybody wants, I'll look into extracting it from my 
image.

VW3.0 has such built in, but far be it for me to even intimate at 
copyright violation.

-- Mike Klein

mklein at alumni.caltech.edu

On Wed, 18 Nov 1998 JArchibald at aol.com wrote:

> In a message dated 11/18/98 2:15:24 PM Eastern Standard Time,
> DanI at wdi.disney.com writes:
> << I would do this myself, but if anyone has such code around, or knows of a
> goodie that does it, it would save some time.
>  Please respond directly to me, not to the list. >>
> 
> Lot's of us would probably like this, Dan. I would encourage whoever knows
> about such to post to the list.
> 
> The best that I recall was in Team/V, and might have been done by Juanita
> Ewing.
> 
> Jerry.
> 
>