> Google News used to have an API but it was deprecated many years ago. (Unofficial) information about RSS syntax is decentralized over the web. There is no official documentation. So, I tried my best to collect all this informaion in one place.

I was confirming that: the code I linked to is exactly the documentation I need to make use of their feeds - whether or not I use the actual library itself.

(I tend to skip libraries like this in favor of making direct calls to the underlying APIs - just a personal habit of mine)