Re: Made rdf:HTML/XMLLiteral non-normative

On 16 Dec 2013, at 18:33 , Pat Hayes <phayes@ihmc.us> wrote:

> 
> On Dec 16, 2013, at 8:12 AM, Markus Lanthaler <markus.lanthaler@gmx.net> wrote:
> 
>> Hi all,
>> 
>> I just updated Concepts to make rdf:HTML and rdf:XMLLiteral non-normative.
>> I'm not entirely sure what consequences that has for section 5.4 [1]:
>> 
>> Recognized IRIs have fixed referents, which MUST satisfy these conditions:
>> 
>> 1. If the IRI http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral is
>>    recognized then it refers to the datatype rdf:XMLLiteral;
>> 
>> 2. If the IRI http://www.w3.org/1999/02/22-rdf-syntax-ns#HTML is
>> recognized
>>    then it refers to the datatype rdf:HTML;
>> 
>> Can we still include this MUST-level requirements given that the two
>> datatypes are now non-normative?
> 
> I am not sure what it means to say that a datatype is not normative, but if it in any way contradicts these statements then we should not do it. These are essential to the operation of the semantics. My understanding about what non-normative means here is that RDF engines are not obliged to recognize these IRIs, and that does not contradict the above at all. 

My understanding is the same as yours.

Ivan

> 
> Pat
> 
>> 
>> 
>> Cheers,
>> Markus
>> 
>> 
>> [1]
>> https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-concepts/index.html#datatype
>> -maps
>> 
>> 
>> --
>> Markus Lanthaler
>> @markuslanthaler
>> 
>> 
>> 
> 
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Ivan Herman, W3C 
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