Re: Principles of XML design
On Fri, 2005-05-06 at 12:05 -0400, Gavin Thomas Nicol wrote: > > Sure. I pointed out that Infoset connection in the article. This > > distinction has not been common knowledge. Considering that the > > Infoset > > is not normative in a surprising number of XML applications (i.e. > > you're > > not using WXS, XQuery, c14N, XInclude, etc.), this is certainly > > something that there should have been at least some more attention to > > in > > the XML 1.0 spec. Evidence for that is that element parse order is a > > question that does come up among users in practice, and they tend to > > look to the spec for inspiration. > > I think that if anything, all discussion of processing, including > attribute order, should be removed from the spec. XML is a syntax, and > what applications do with it is entirely up to them. Parser behaviour > is best defined in that standard (i.e. SAX et al)... What standard? Many parsers do not use SAX. There is no standard processing model. Users do seek a standard processing model. That's the problem. > and that will > determine the "infoset" that results when using those parsers. Whether > the parser specifications themselves refer to yet another spec > (InfoSet) is an open question... I understand your basic point. If there were a standard processing model, that would be one thing. The problem is that there isn't, and it's well demonstrated that this is a source of confusion. This confusion is the problem. It could be solved in any number of ways, of course, but saying so doesn't itself make up a solution. -- Uche Ogbuji Fourthought, Inc. http://uche.ogbuji.net http://fourthought.com http://copia.ogbuji.net http://4Suite.org Use CSS to display XML, part 2 - http://www-128.ibm.com/developerworks/edu/x-dw-x-xmlcss2-i.html XML Output with 4Suite & Amara - http://www.xml.com/pub/a/2005/04/20/py-xml.html Use XSLT to prepare XML for import into OpenOffice Calc - http://www.ibm.com/developerworks/xml/library/x-oocalc/ Schema standardization for top-down semantic transparency - http://www-128.ibm.com/developerworks/xml/library/x-think31.html
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