Re: [XQuery] Computed CDATA constructor (qt-2004Jan0042-01)

Jonathan,

This is quite satisfactory, thanks.

--Sarah

On Jan 21, 2004, at 2:04 PM, Jonathan Robie wrote:

> Hi Sarah,
>
> The XML Query Working Group has considered your feedback in the
> following message:
>
> http://lists.w3.org/Archives/Member/w3c-xml-query-wg/2004Jan/0042.html
>
> The following is an official response from the XML Query Working
> Group:
>
> You have correctly pointed out a confusing inconsistency in our
> specification. The reason for this inconsistency is that a
> CompCdataConstructor does not actually create a CDATA node - in fact,
> there is no such thing as a CDATA node in the Data Model. Although the
> syntax of CDATA section in XML looks a lot like other things that
> really are constructors in XML, and probably would be treated as a
> constructor if CDATA nodes existed, this is not the case. (We
> confirmed in yesterday's meeting that the WG does not want to add
> CDATA sections to the data model.)
>
> From an XQuery or XSLT perspective, a CDATA section is merely a way of
> changing the treatment of special characters within a region of
> text. We have decided to change XQuery in the following way:
>
> 1. Remove all references to CData sections from Section 3.7.2 ("Other
> Direct Constructors"). There should be no reference to a "CData
> Section constructor" anywhere in the language document.
>
> 2. Remove CdataSection from the production named Constructor, but
> leave it in the production named ElementContent. Move the production
> named CdataSection to the top of Section 3.7 ("Constructors"), near
> the production named ElementContent.
>
> 3. In Section 3.7.1.3 ("Direct Element Constructors--Content"), in the
> list of rules labeled "Conceptually, the content of an element
> constructor is processed as follows", change the rule (1a) to:
> "Predefined entity references and character references are expanded
> into their referenced strings, as described in 3.1.1 Literals
> <http://www.w3.org/TR/xquery/#id-literals#id-literals>. Characters
> inside of a CDataSection are treated like XML CData sections and are
> mapped directly into string content. The content of a CdataSection may
> not contain the string "]]>" since this string is used to delimit the
> CdataSection".
>
> We believe this improves our specification by making it more
> consistent with the semantics of our data model, and thank you for
> your input.
> 		
> Please let us know if this response is satisfactory for you,
>
> Jonathan
>

Received on Monday, 26 January 2004 14:31:25 UTC