> On Feb 28, 2021, at 21:04, Phil Leblanc <philanc at gmail.com> wrote: > > Why this specific requirement? I didn't find any reference to > "urn:*:capa". What does it mean and what would be the returned values? Actually, it's optional. Just a way for servers to advertise additional capabilities, such as persistent connections, or chunked transfer encoding. ?0?