Re: Error resolving the default value of a parameter i

> My understanding is that it should use the default value
> of 'ascending'

yes but you defined the default to be select="ascending"  which is the
sequence (most likely empty) of <ascending> elements, that are children
of the document root. This isn't what you meant, use
select="'ascending'" 

> and indeed it appears to correctly resolve the default value
> of $sortBy when needed.

well that is the sequene of id elements so most lilely also (), you want
select="'id'" there as well.

David

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