Using Python 3.14 template strings to write Python

This is a cute promotion, but I would have preferred either a Show HN with a link to the repo instead of a blog writeup, or a blog post with more detail about how the library actually works. In particular, how specific is it to the ETree representation of XML? Because there are a lot of ways to create human-readable data with tree-structure semantics, and XML is about my absolute last choice.