RE: AW: how to "save" a context?

> 
> That is, for every node (not an attribute or a namespace), 
> the following pair identifies it uniquely:
> 
> (count(ancestor::node()), count(preceding::node()))
> 
> For an attribute node or a namespace node this becomes the tripple:
> 
> (name(), count(../ancestor::node()), count(../preceding::node()))
> 
> 
> 
> Finding the node from its id has an efficient implementation 
> using keys.
> 

Only if you ignore the cost of building the index, which is likely to be
horrendous.

I missed the beginning of this thread, why can't you use generate-id()?

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx 


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