Extensions key prefix

[Rowan Kerr]

On 13-Mar-07, at 6:23 PM, Drummond Reed wrote:

> I hadn't gleaned that out of earlier readings of the spec,
> and I think it should be emphasized (in fact I'd recommend the  
> analogy to
> xmlns prefixes.

Making the link between the openid.ns.* and XML namespaces would be  
enough to clarify it in my mind. But it should clearly spell out the  
usage as well in case people reading and implementing the spec are  
not entirely familiar with how XML namespaces work.