the ancestor:: axis is (for some inexplicable reason) an optional
feature of Xquery, so you may need to check if your processor supports
it.
The other way is to write a recursive function that goes _down_ skipping
any elements that have ids, rather than using // to get to the bottom
and then looking back up with ancestor::
something like (can't remember the xquery function definition syntax)
function f ($items)
for $i in $items[not(@id)]
return
if ($i instance of element() ) f($i/node()) else $i
which if I got it right says accept a list of items and for all items
that don't have an id, output the item if its a text node, or recurse
on the children if its an element.
David
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