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Subject: Re: [xri] Removing ds elements from schema


yes, the plan is to remove the <Extensions> element.  I'm fairly  
certain that the current /trunk version of the spec reflects that.

-will

On Oct 8, 2009, at 4:05 AM, Nat Sakimura wrote:

> Is it correct to understand that <Extensions> element which are  
> still in WD06 are going to be removed in WD07?
>
> =nat
>
> Joseph Anthony Pasquale Holsten wrote:
>> +1 to removal
>>
>> I do wish this justified using RELAX NG again. I so dislike bringing
>> another XSD into the world. But I don't have time to do it, so I  
>> defer
>> to Scott and Will.
>>
>> On Sep 8, 2009, at 1:51 PM, Will Norris wrote:
>>
>>
>>> Given that many, if not most, of the people who were in favor of the
>>> <Extensions>  element have expressed favor toward this approach, I'm
>>> going to go ahead and start reworking the text.  I'm certainly not
>>> considering this matter closed, but I don't want to delay getting
>>> started on the work for too long.  So if people have further
>>> comments the please, by all means, add them.
>>>
>>> -will
>>>
>>>
>>> On Sep 8, 2009, at 10:43 AM, Eran Hammer-Lahav wrote:
>>>
>>>
>>>> I completely agree.
>>>>
>>>> EHL
>>>>
>>>>
>>>>> -----Original Message-----
>>>>> From: Will Norris [mailto:will@willnorris.com]
>>>>> Sent: Tuesday, September 08, 2009 10:00 AM
>>>>> To: XRI TC
>>>>> Subject: Re: [xri] Removing ds elements from schema (was: OpenID
>>>>> Delegating relationship in XRD)
>>>>>
>>>>>
>>>>> On Sep 8, 2009, at 9:52 AM, Will Norris wrote:
>>>>>
>>>>>
>>>>>> On Sep 8, 2009, at 9:46 AM, John Bradley wrote:
>>>>>>
>>>>>>
>>>>>>> I can live without the extension wrapper if we have a better  
>>>>>>> way.
>>>>>>>
>>>>>>> I think recommending having the signature at the top for  
>>>>>>> streaming
>>>>>>> applications is sufficient.
>>>>>>>
>>>>>>> I don't think it makes any real difference to most parsers.
>>>>>>>
>>>>>>> The best way to limit it to one is the question.
>>>>>>>
>>>>>> Well, we would still have the XRD Signature section in the core
>>>>>> spec, so we could state that there can be only one signature.  We
>>>>>> wouldn't be enforcing it at the schema level, but I think that's
>>>>>> okay.  We're already placing a number of restrictions on the
>>>>>> Signature itself (specifically, reference and transformation)  
>>>>>> that
>>>>>> weren't schema-enforced, so I don't see adding cardinality to  
>>>>>> that
>>>>>> list as being a huge deal.  It's not as clean as one might like,
>>>>>> but
>>>>>> doable.
>>>>>>
>>>>> Of course now that I think about it, nothing prevents people from
>>>>> having multiple signatures using the current schema.  We state  
>>>>> only
>>>>> that extension elements must not use the XRD namespace, but say
>>>>> nothing of the DSig namespace.
>>>>>
>>>>> I'm thinking that the farthest we should go (if at all) is to
>>>>> *recommend* that a only a single signature be used, because many
>>>>> (most?) consumers will not be able to properly handle multiple
>>>>> signatures.  The common signing use case is going to be a single
>>>>> signature, so hopefully we won't have to worry about this too  
>>>>> much.
>>>>> And if someone is feeling industrious and wants to add multiple
>>>>> signatures, I'm not sure that we should necessarily try and stop
>>>>> that.  They just need to be aware of the potential complications
>>>>> involved.
>>>>>
>>>>> -will
>>>>>
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