Re: A newer's question.

Jim Whitehead:
> > The versioning working group might come up with some ideas as to
> > how to calculate differences (diffs) between revisions - this might
> > help to implement some mechanism for displaying changes incrementally.
> 
> Jeff Mogul (and others, including Yaron) have recently submitted proposals 
> on delta encoding and instance digests which address transmission of 
> changes between versions of a resource:
> 
>   ftp://ietf.org/internet-drafts/draft-mogul-http-delta-00.txt
>   ftp://ietf.org/internet-drafts/draft-mogul-http-digest-00.txt

Weren't there some patent issues involved with these deltas?
Have these already been resolved?

Yours,
Markus.

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