xslt to remove duplicates entries using Muenchian grouping

Question

I am trying to display all s of node. But I don\'t want to display duplicate entries of department from

Answer 1

You need a second level of Muenchian grouping - you already have a key that finds unique company names, you now need a second key that finds unique company-department pairs:

This filters the list of all company elements matching the current companyname so you just get the first mention of each department.