Global variables in XQuery

[Martin Probst]

> The right way to implement a counter for instrumentation purposes is
> probably by calling an extension function.

The easiest way is probably to simply use fn:trace(), the built-in  
debugging function. Extensions functions with side-effects are not  
much of an improvement over something like saxon:assign in my opinion.

Martin

-- 
Martin Probst
X-Hive Corporation