> Interesting. My solution put everything into element structure and then used
> for-each-group to add a level of hierarchy; David's solution put everything
> into textual form and then used analyze-string to create the tree. Both seem
> to work. What you can't do, it seems, is to handle the mix of textual
> structure and element structure in one go.

And interestingly neither of these options is available in Xquery (and I
don't thing Xquery's typeswitch will come to the rescure in this
case:-)

David

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