>> What's the best way to represent an item and its context?
>
> I don't see why you need your functions and your "context" as in the
> XSLT/XPath tree data model you are always able to navigate with XPath

Maybe Roger has gone a route where the context is being lost... such
as using xsl:copy-of instead xsl:sequence when constructing a
variable, or perhaps its the old elements that dont share a parent
aren't siblings issue... (and has asked about a solution rather than
described the problem)



-- 
Andrew Welch
http://andrewjwelch.com