Re: [Gnu-arch-users] Re: arch with 'special files'

[Andrew Suffield]

On Tue, Apr 05, 2005 at 03:34:25PM +0200, Jan Hudec wrote:
> > Inexact patching for jpeg images anyone? Or for (ugh!) XML RSS files[1]? 
> > Or...
> 
> I believe there is some kind of xml-diff, that compares the trees, not
> the text ;-). One such is built into openoffice...

Yes, but there's no corresponding patch tool, nor can there be (any
more than there can for xdelta), since XML is semantically null and
syntactically useless.

> And even if it's not inexact patching, instead of two versions, you can
> store one version and a difference. And knowing the nature of the data
> can make this more efficient.

Delta compression is a fairly trivial storage optimisation that's not
particularly interesting. The archive isn't your problem for storage
anyway; it is the smallest thing in arch.

-- 
  .''`.  ** Debian GNU/Linux ** | Andrew Suffield
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