Richard:
> Hi Richard,
> 
> >>> What I can't work out is how to get at any preceding elements that
> >>> are in my 'scope' i.e. from a file like
> >> [..]
> >>> I've tried ancestor::*/p but that will give me <p a="9"/> too.
> 
> I think you want all preceding sibling p elements of either the
> current node or one of its ancestors. In other words:
> 
>   ancestor-or-self::*/preceding-sibling::p
> 
> Can I have beer?
> 

You can indeed, just come to Cambridge as stipulated in the contract
alternatively have... http://www.pubworld.co.uk/virtbar/beer.jpg but
that would cruel ;).

Michael sorry but you were received 44 minutes after Jenni and sent
about 40 minutes later :).

Thanks both of you. I never could understand all of that set difference
axes either and I'm about 50 characters into an XPath expression at the
time I need to know the answer.

Richard

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