Pretty sure URLs without a scheme is technically invalid. But I guess `wget` either just tries a couple common ones, or just tries `http/s`. I guess for `httpclient` it could make sense to assume a scheme of `http/s`.
- Downloading files with missing protocol in redirect url yister
- Downloading files with missing protocol in redirect url Araq
- Downloading files with missing protocol in redirect url yister
- Downloading files with missing protocol in redirect ur... PMunch
