I would love to see, what you did there, because, from your description, I do not understand, why you needed to use some DSL, if your input was XML and your out

I would love to see, what you did there, because, from your description, I do not understand, why you needed to use some DSL, if your input was XML and your output should have been XML, too. And how does my question prove your point? I am asking, because I really would like to understand, what happened there.