sure but it also makes sense to say child::sub

I don't think most doc-heads would accept as valid the idea that a
mixed content element (especially if the element has the mixed content
in it) is of type string.

Cheers,
Bryan Rasmussen

On Tue, Mar 4, 2008 at 5:54 PM, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> > >
>  > >  <person><first>Michael</first><last>Kay</last></person>
>  >
>  >
>
> > 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?
>  >
>
>  data-heads vs doc-heads.
>
>  The data people felt that saying person='Kay' should be caught as a type
>  error.
>
>  But with mixed content, for example
>
>  <title>Water, or H<sub>2</sub>O</title>
>
>  it clearly makes sense to say contains(title, 'Water')
>
>
>  Michael Kay
>  http://www.saxonica.com/