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Re: Autoexpanding ZIP archives?

From: Malcolm Rowe <malcolm-svn-dev_at_farside.org.uk>
Date: 2005-12-07 22:54:38 CET

On Wed, Dec 07, 2005 at 10:16:15PM +0100, Peter N. Lundblad wrote:
> On Wed, 7 Dec 2005, Malcolm Rowe wrote:
>
> > On Wed, Dec 07, 2005 at 12:49:20PM -0500, John Peacock wrote:
> > Note that the same argument essentially applies to any structured
> > document for which there is a 'better' (more space efficient, better able
> > to represent changes) delta mechanism than a binary diff: zip files,
> > compound OLE documents (e.g., Microsoft Office files), XML files,
> > potentially even C code.
> >
> Why wouldn't the binary diff algorithm be suitable for XML documents?
>

Oh, it is, of course, though there probably is a slightly 'better'
algorithm that can represent deltas in terms of the underlying DOM,
rather than just streams of bytes, that's all.

The XML and C examples were very much edge-case examples, since our
current representation is for all intents and purposes, fine.

Regards,
Malcolm

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Received on Wed Dec 7 22:56:09 2005

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