I looked at the XSLT idea that three people suggested. I even went to various XSLT websites. It seems to represent an extraordinary deviation from my requirement with no clear way back to it. Also, I just found XML::Traverse::ParseTree, which might well be the answer.

One world, one people

In reply to Re: Traversing arbitrarily deep and baggy structures by anonymized user 468275
in thread Traversing arbitrarily deep and baggy structures by anonymized user 468275

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