IIUC, this is the handler for all requests, not just `GET` with path `/hello/<NAME>`.
It doesn't implement what many Web "backend" developers now call "routing", which means the programmer specifying a rule-based mapping of URL patterns to a set of handlers for different kinds of requests using a simple DSL, and then at run time the library/framework performing the parsing and dispatch based on those rules.
With that stock Guile library only, I think you'd instead have to manually parse the `request` argument, like in this example:
