Re: [xml-dev] XML Schema Checklist

[Michael Glavassevich <mrglavas@ca.ibm.com>]

David Carlisle <d.p.carlisle@gmail.com> wrote on
21/10/2012 05:32:55 AM:

> On 21/10/2012 00:21, Timothy Cook wrote:
> 
> > So, if I can bother with one last point on this issue.  Since
I
> > apparently misunderstood   1.3.4
> > (http://www.w3.org/TR/xmlschema11-1/#langids)
> >
> 
> 
> As far as I can see the list of version-specific URI listed in that
> section are "Schema Language Identifiers" _not_ Namespace
URI. I don't
> think they are used (or usable) at all with Schema processors directly
> they are just suggested labels that _other_ systems (such as a
> configuration file to tell some GUI which schema processor to use)
might
> want to use to refer to versions of the schema specification.

They are being used in APIs (see Xerces for example
[1]) for selection and identification of schema processors which support
specific versions of the XML Schema language.

> > .... Sometimes other specifications or Application Programming
> Interfaces (APIs) need to refer to the XML Schema Definition Language
in
> general, sometimes they need to refer to a specific version of the
> language, possibly even to a version defined in a superseded draft....
> 
> David

[1] http://wiki.apache.org/xerces/Xerces-J%3A_XML_Schema_1.1_Design_Thoughts#Changes_to_support_XML_Schema_1.1_in_JAXP

Michael Glavassevich
XML Technologies and WAS Development
IBM Toronto Lab
E-mail: mrglavas@ca.ibm.com
E-mail: mrglavas@apache.org