> I want to get all the occurrences of "field1" whose first 
> following-sibling
> "field2" has a value = "some". In this case it should return me 2nodes
> (except the last one, where the value would be "someother")
> 
> Hope I am clear.
> 
Very clear indeed!

//field1[following-sibling::field2[1]='some']

Mike Kay 

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