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RE: How to specify a Processing Instruction? (better: how to controlenco

• From: "Arnold, Curt" <Curt.Arnold@h...>
• To: "'xml-dev@l...'" <xml-dev@l...>
• Date: Wed, 29 Aug 2001 15:39:05 -0600

Julian Reschke wrote:
> > Treating the XML Declaration as a Processing Instruction in 
> the DOM is 
> > a MSXML'ism.  Not expressly forbidden in the DOM spec, but
> 
> I'd say it is forbidden. For instance, when loading the same 
> document into two different DOM implementations I'd expect 
> that they create the same number of processing instruction 
> nodes. Otherwise they won't be ineroperable.

From http://www.w3.org/DOM/faq#XMLdecl

Currently (Level 1 and Level 2) there isn't a DOM object to represent either the XML declaration or the text declaration. As a consequence, some implementations of the DOM do not model the XML or text
declaration at all, while others model them as processing instructions (which they resemble, although the Infoset declares them to not be PIs). Neither interpretation is incorrect with respect to
Level 1 and Level 2 of the DOM.

> So XML declarations aren't processing instructions, and 
> reporting them as such is a conformance problem.
> 

Hopefully, DOM L3 will resolve the issue.

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