RE: preceding-sibling on sorted nodes

[Kay Michael <Michael.Kay@xxxxxxx>]

> When sorting using XT the preceding-sibling axis seems to 
> operate on the nodes in source tree order not in sorted order.  Is this 
> correct behavior?

Yes, it's correct.
> 
> I'm not sure how to workaround this, since I'm trying to do 
> grouping after sorting and using preceding-sibling is the only way I know
of to do
> grouping. 

Doing sorting and then grouping the sorted result is not easy. SAXON has a
proprietary feature to do it, called saxon:group, but of course many people
don't want to stray outside the standard. I think there are examples on one
of the tutorial sites, or in the archives of this list, showing how to do it
using a recursive call-template approach. But beware, this may not perform
well!

Mike Kay


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