Re: [office] RE: [office-comment] ODF security hazard? (ODF allversions)

[Duane Nickull <dnickull@adobe.com>]

Title: Re: [office] RE: [office-comment] ODF security hazard? (ODF all versions)

Both HTML and XML have well defined conformance.  XML is very terse and the instructions to throw errors and suspend parsing are unambiguous.

Re:HTML, the reality is that there are the formal standards, but then extensions and modifications by browser vendors.  W3 has a conformance checker online somewhere for the HTML 4.0 transitional rec.

D



On 21/02/09 6:01 PM, "Dennis E. Hamilton" <dennis.hamilton@acm.org> wrote:

> I agree about malformed documents.  I would not have gone so far, and the
> peculiarities of HTML in that regard are serious.
>
> I don't recall what XML says about processing of non-well-formed documents
> (don't have it in front of me and can't remember if it is deemed fatal or
> not, although I would hope so.)
>
>
>  - Dennis
>
> -----Original Message-----
> From: robert_weir@us.ibm.com [mailto:robert_weir@us.ibm.com]
> Sent: Saturday, February 21, 2009 15:26
> To: office@lists.oasis-open.org
> Subject: [office] RE: [office-comment] ODF security hazard? (ODF all
> versions)
>
> Moving the discussion to the office list, where it belongs...
>
>
> "Dennis E. Hamilton" <dennis.hamilton@acm.org> wrote on 02/21/2009
> 05:32:30 PM:
>
> >
> > However, I think Postel's law is a great argument in favor of
> predictable,
> > permissive foreign-element handling.
> >
> >  - Dennis
> >
>
> Indeed, it is a good argument for an application handling such content.
> But it is a poor argument for allowing such markup in conformant
> documents.  It simply doesn't follow. Look at HTML, by analogy.  Most web
> pages are not valid HTML.  Many are not even well formed.  Should we then
> allow invalid and malformed documents to be considered conformant HTML?  I
> don't think so.  But the presence of such documents on the web is a good
> argument for designing a web browser to be robust when given such
> non-conforming documents.  You could certainly specify such a robustness
> requirement in the conformance clause for an HTML processor.
>
> -Rob
>
>
>
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Duane Nickull, Vancouver, BC Canada
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