Re: Use of data() function
On 04/03/2008, John Snelson <john.snelson@xxxxxxxxxx> wrote: > A node doesn't have a typed value if it is an instance of a complex type > without mixed content. On 04/03/2008, Michael Kay <mike@xxxxxxxxxxxx> wrote: > It occurs when the node is an element with element-only content (which > necessarily means it is schema-validated). For example the person element in > > <person><first>Michael</first><last>Kay</last></person> Thanks, I see a lot of this is in the XDM spec... (which I've never had the pleasure of reading until now) The key sections are: http://www.w3.org/TR/xpath-datamodel/#TypedValueDetermination and: http://www.w3.org/TR/xpath-datamodel/#const-psvi-element (type-valued section heading) Out of interest, what is the reasoning behind allowing a mixed content element's typed-value to be its string value, but making it an error for element-only content? Is it that you can't guarantee to get a string from element only content, but mixed content you can (somehow) ? thanks -- Andrew Welch http://andrewjwelch.com Kernow: http://kernowforsaxon.sf.net/
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