[OpenID] host-meta and "acct:"

[Will Norris]

On Nov 4, 2009, at 7:28 AM, SitG Admin wrote:

>> If you really want to do that, why don't you allow for an  
>> "Anonymous XRD" who's Subject is empty?
>
> Why require all XRD's to have a Subject field, if it can be empty?  
> Can't it just be omitted entirely, saving bandwidth from  
> transmitting an extra 19 (plus whitespace) bytes?
>
> If it can be empty, it can be omitted - as I've said before, the  
> lack of a field can implicitly be taken as the emptiness of a field.


you cannot have an empty subject.  See section 1.5.2:

> Unless otherwise noted in this specification or particular profiles,  
> all URIs in XRD documents MUST consist of at least one non- 
> whitespace character.

-will