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Re: Regarding the SHOULD for NFC in RDF Literals

From: Stian Soiland-Reyes <soiland-reyes@cs.manchester.ac.uk>
Date: Mon, 23 Sep 2013 16:32:50 +0100
Message-ID: <CAPRnXtmb0is39jv3t-vkXD+bz8jhLTELiT4tewz69K+Wfsf1KA@mail.gmail.com>
To: Sebastian Hellmann <hellmann@informatik.uni-leipzig.de>
Cc: public-rdf-comments <public-rdf-comments@w3.org>
(Not a WG response:)

Such SHOULDs also allows forward compatibility, say given "valid
reasons", potential future RDF 1.2 using some new "Normal Form Delta"
(e.g. where two exotic characters are normalized differently) to also
be somewhat valid RDF 1.1.

On 22 September 2013 21:42, Sebastian Hellmann
<hellmann@informatik.uni-leipzig.de> wrote:
> Hello all,
>
> I was asking myself another question regarding the "should" in 3.3.
> http://www.w3.org/TR/rdf11-concepts/#section-Graph-Literal
>
> a lexical form, being a Unicode [UNICODE] string, which SHOULD be in Normal
> Form C [NFC],
>
>
> http://www.ietf.org/rfc/rfc2119.txt says regarding SHOULD:
>
> 3. SHOULD   This word, or the adjective "RECOMMENDED", mean that there
>    may exist valid reasons in particular circumstances to ignore a
>    particular item, but the full implications must be understood and
>    carefully weighed before choosing a different course.
>
>
> I am not sure, what reasons could exist not to require NFC . N-Triples
> doesn't seem to use ASCII any more in its next version. What is the hold up
> to change this to a MUST and write a validation test case?
>
> I am just asking out of curiosity. The topic is complex and the "full
> implications must be understood and carefully weighed before choosing a
> different course" justify a SHOULD as well.
>
> All the best,
> Sebastian
>
>
> --
> Dipl. Inf. Sebastian Hellmann
> Department of Computer Science, University of Leipzig
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> Deadline: *July 18th*)
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> Research Group: http://aksw.org



-- 
Stian Soiland-Reyes, myGrid team
School of Computer Science
The University of Manchester
http://soiland-reyes.com/stian/work/ http://orcid.org/0000-0001-9842-9718
Received on Monday, 23 September 2013 15:33:39 UTC

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