Selectively copy and update xml nodes using XSLT

Question

I\'m working with an xml that I need to copy and update to pass on for further processing. The issue I\'m having is that I have not figured out an efficient method to do this. E

Answer 1

This should work for your original question:

As far as inserting new elements that are not present in the source XML, that's trickier. Could you open a separate question for that? I may have some ideas for how to approach that.