On Wed, Oct 29, 2014 at 6:36 PM, Steve Harris <s...@ecs.soton.ac.uk> wrote:

> Section 17.3 of the 1.1 query spec (sorry, can't link directly to it, on
> my phone, but open the spec and search for "promotion") says that it does
> type promotion (inherited from XPath F&O), and links to the description at
> http://www.w3.org/TR/xpath20/#promotion
>

Thank you Steve.  That was exactly the pointer I needed.

/john

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