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Re: [closed] RDF Core LC issue xmlsch-09

From: C. M. Sperberg-McQueen <cmsmcq@acm.org>
Date: 03 Oct 2003 22:19:59 +0200
To: Dave Beckett <dave.beckett@bristol.ac.uk>
Cc: w3c-xml-schema-ig@w3.org, www-rdf-comments@w3.org
Message-Id: <1065212398.5824.483.camel@michael.hit.uib.no>

On Thu, 2003-03-27 at 12:36, Dave Beckett wrote:
> Colleagues,
> 
> The RDF Core WG has considered your last call comment captured in
> 
>    http://www.w3.org/2001/sw/RDFCore/20030123-issues/#xmlsch-09
> 
> (raised in section "4.2. QNames (Editorial, but important)" of
> from http://lists.w3.org/Archives/Public/www-rdf-comments/2003JanMar/0489.html )
> 
> and decided
> 
>    http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2003Mar/0138.html
> 
> to accept it giving the following explanation:
> 
> The RDF/XML syntax WD section referred to is paragraph 2 of
>    http://www.w3.org/TR/2003/WD-rdf-syntax-grammar-20030123/#section-Syntax-intro
> is the very first section in the document introducing the syntax
> intended as an overview, not defining the grammar.
> 
> We accept that this paragraph could be misleading and imply that an
> XML prefix, and thus only prefixed names, are required.  
> 
> We propose to amend the text in that paragraph to make it clear that
> in a XML QName the prefix is optional where there is a default
> namespace either by adding a note or rewording to remove the mention
> of prefixes.
> 
> However, we note, the link [Qnames] in the section above already goes
> to the following definition of QName:
> 
>     QName ::= (Prefix ':')? LocalPart
>     Namespaces in XML
>     -- http://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
> 
> which shows that the prefix part is optional in the current definiton
> of QNames.
> 
> This is also mentioned in the errata:
>      "Names with no colon can be qualified names."
>       Namespaces in XML Errata
>       -- http://www.w3.org/XML/xml-names-19990114-errata#NE10
> 
> We also peeked at XML 1.1 CR:
>      QName ::= PrefixedName | UnprefixedName
>      Namespaces in XML 1.1, W3C Candidate Recommendation 18 December 2002
>      -- http://www.w3.org/TR/2002/CR-xml-names11-20021218/#NT-QName
> 
> which keeps the same distinction.
> 
> 
> Please reply, copying www-rdf-comments@w3.org indicating whether this
> is an acceptable resolution of the comment.

Thank you for the clarification.
Received on Friday, 3 October 2003 16:21:33 GMT

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