How to use for each group in XSL

Question

im still learning for-each-group what is the best way of grouping something like this using XSL?(by country) i\'m trying to use XSL to convert this XML to anoth

Answer 1

If you group by country you would start with e.g.

Then you have to decide whether you want to further group the Info elements in each country group, for instance by name: