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

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" <> 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

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Sent: Saturday, February 21, 2009 15:26

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Subject: [office] RE: [office-comment] ODF security hazard? (ODF all

versions)

Moving the discussion to the office list, where it belongs...

"Dennis E. Hamilton" <> 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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