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Re: Who can implement W3C XML Schema ?

  • From: ht@c... (Henry S. Thompson)
  • To: Rick Jelliffe <ricko@a...>
  • Date: Wed, 24 Oct 2001 09:18:27 +0100

xml schema token
Rick Jelliffe <ricko@a...> writes:

> Surely the third <any> element in the instance is invalid?  It has
> three tokens in it.

'xs:token' is, as someone else (Eric?) recently observed, badly named
-- it should be 'xs:tokenizedString' -- it's just 'xs:string' with

The _fourth_ <any> element is invalid, however, for the reason you cite.

> > I may also still have missed something in the rec and my example may be 
> > invalid, but the point would remain that if you take 4 W3C XML Schema 
> > processors on a simple test case, you have very often 4 different answers.
> Two of the products Eric are using are betas (MSXML and Xerces) and
> the XML Spy is not the most recent (I don't know if it fixes the
> problem, and I don't know if the Turbo XML is the most recent.)  All
> it shows is that developers are leaving this till last or too late,
> rather than that there is some crisis of complexity.

I agree with Rick here -- the REC is not quite 6 months old, there are 
at least half-a-dozen implementations out there, and they're all
upgrading rapidly.  I would note that whitespace processing is a
long-standing source of corner cases:  XML 1.0 processors don't all
get it right to this day, and there were several errata in this area.

  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2001, part-time member of W3C Team
     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
	    Fax: (44) 131 650-4587, e-mail: ht@c...
		     URL: http://www.ltg.ed.ac.uk/~ht/


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