[dsdl-discuss] Fwd: XML.org Daily Newslink. Thursday, 15 January 2004

Candidate input to part 7?

The author even references DSDL in the article:
>CRVX is a specialized schema language with the single purpose of
>restricting the character repertoire of XML documents. For a general
>introduction to why a modular approach to validation is a good idea, the
>Document Schema Definition Languages (DSDL) home page describes a complete
>framework for modular XML validation. Note that DSDL does list "character
>repertoire validation" as one of its goals, but so far there has been no
>candidate for this task.

................ Ken

>Date: Thu, 15 Jan 2004 17:06:45 -0500 (EST)
>From: Robin Cover <robin@oasis-open.org>
>To: "XML.org Daily News List" <xml-dailynews@lists.xml.org>
>Subject: XML.org Daily Newslink. Thursday, 15 January 2004
>
>XML.org Daily Newslink. Thursday, 15 January 2004
> Provided by OASIS http://www.oasis-open.org
> Edited by Robin Cover
>...
>Character Repertoire Validation for XML
>Erik Wilde, XML.com
>
>The author presents a small schema language for XML which can be used
>to restrict the use of character repertoires in XML documents; it is
>called 'Character Repertoire Validation for XML (CRVX)'. CRVX restrictions
>can be based on structural components of an XML document, contexts, or
>a combination of both. A CRVX schema has two ways of restricting character
>repertoires. Restrictions can either be based on structural criteria
>("all element names may only use the ASCII character repertoire"),
>contexts ("all content of description elements may only use ISO-8859-1
>characters"), or a combination of both ("all text content inside
>description elements is limited to the ASCII character repertoire").
>Since the structural view of an XML document is determined by the
>interpretation of the structures, CRVX supports two structural views:
>pureXML and namespaceXML. Depending on the selected structural view,
>different structural components may be specified. Since CRVX uses XSLT's
>concept of patterns, contexts can only be used for namespaceXML.
>
>http://www.xml.com/pub/a/2004/01/14/crv.html

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