Re: [ebxml-msg] Re: [ebxml-cppa] Re: v. 2.0 ebXML xsd schema dire ctory

[Christopher Ferris <chris.ferris@sun.com>]

David,

But the http://www.w3.org/2001/03/xml.xsd URI cannot be
resolved into anything but a 403! We cannot reference
a resource which cannot be resolved/dereferenced.

Cheers,

Chris


Burdett, David wrote:

> Chris
> 
> I looked at the schema and noticed the following text ...
> 
>   <xs:documentation>In keeping with the XML Schema WG's standard versioning
>    policy, this schema document will persist at
>    http://www.w3.org/2001/03/xml.xsd.
>    At the date of issue it can also be found at
>    http://www.w3.org/2001/xml.xsd.
>    The schema document at that URI may however change in the future,
>    in order to remain compatible with the latest version of XML Schema
>    itself.  In other words, if the XML Schema namespace changes, the 
> version
>    of this document at
>    http://www.w3.org/2001/xml.xsd will change
>    accordingly; the version at
>    http://www.w3.org/2001/03/xml.xsd will not change.
> 
> In the light of this should we be using 
> http://www.w3.org/2001/03/xml.xsd instead as it is guaranteed not to 
> change?
> 
> David
> 
> -----Original Message-----
> From: Christopher Ferris [mailto:chris.ferris@sun.com]
> Sent: Monday, January 14, 2002 5:57 AM
> To: ebxml-msg@lists.oasis-open.org
> Cc: ebxml-cppa@lists.oasis-open.org
> Subject: Re: [ebxml-msg] Re: [ebxml-cppa] Re: v. 2.0 ebXML xsd schema
> directory
> 
> 
> A couple of points. I'm glad that this was found.
> At the time of the ebXML 1.0 specs, (at least the
> time when the authoring was on-going) this didn't
> exist, hence the reference to an oasis-open.org URI.
> 
> However, I just tried resolving the URI that Arvola
> would like to refrerence and I get a 403. I imagine
> that this is probably not desireable.
> 
> Suggest instead that the URI referenced be:
> 
> http://www.w3.org/2001/xml.xsd
> 
> Cheers,
> 
> Chris
> Arvola Chan wrote:
> 
>  > Rich:
>  >
>  > I agree with your first point.
>  >
>  > With respect to your second point on referring to the canonical location
>  > http://www.w2.org/2001/xml.xsd, I like to bring your attention to the
>  > following excerpt from that schema:
>  >
>  >  <xs:annotation>
>  >   <xs:documentation>In keeping with the XML Schema WG's standard 
> versioning
>  >    policy, this schema document will persist at
>  >    http://www.w3.org/2001/03/xml.xsd.
>  >    At the date of issue it can also be found at
>  >    http://www.w3.org/2001/xml.xsd.
>  >    The schema document at that URI may however change in the future,
>  >    in order to remain compatible with the latest version of XML Schema
>  >    itself.  In other words, if the XML Schema namespace changes, the 
> version
>  >    of this document at
>  >    http://www.w3.org/2001/xml.xsd will change
>  >    accordingly; the version at
>  >    http://www.w3.org/2001/03/xml.xsd will not change.
>  >   </xs:documentation>
>  >  </xs:annotation>
>  >
>  > I think we should set the xsi:schemaLocation for the xml namespace to
>  > http://www.w3.org/2001/03/xml.xsd.
>  >
>  > -Arvola
>  >
>  > ----- Original Message -----
>  > From: "Rich Salz" <rsalz@zolera.com>
>  > To: "Arvola Chan" <arvola@tibco.com>
>  > Cc: <ebxml-msg@lists.oasis-open.org>; <ebxml-cppa@lists.oasis-open.org>
>  > Sent: Friday, January 11, 2002 3:42 PM
>  > Subject: Re: [ebxml-msg] Re: [ebxml-cppa] Re: v. 2.0 ebXML xsd schema
>  > directory
>  >
>  >
>  >
>  >>{I'm not a member of the CPPA list, so they won't see this :}
>  >>
>  >>According to the XML namespace standard [1],
>  >>The prefix xml is by definition bound to the namespace name
>  >>http://www.w3.org/XML/1998/namespace.
>  >>So the declaration is not required, but it might not be illegal to have
>  >>it.  I suggest *not* putting it, since it would cause folks to look
>  >>twice and wonder if the prefix is being bound to it's non-default
>  >>value.  And it's easier to point buggy software to the URL that shows
>  >>them where they're non-compliant. :)
>  >>
>  >>Also, according to the same spec [2]
>  >>Prefixes beginning with the three-letter sequence x, m, l, in
>  >>any case combination, are reserved for use by XML and
>  >>XML-related specifications.
>  >>
>  >>It's not clear if defining The "xml" prefix to have its official value
>  >>is allowed. :)
>  >>
>  >>
>  >>>We can either replace the contents of
>  >>>http://www.oasis-open.org/committees/ebxml-msg/schema/xml-lang.xsd with
>  >>>
>  > the
>  >
>  >>>contents of the above file, or we can update our schema and examples to
>  >>>
>  > use
>  >
>  >>>the above URL as the schema location. I think it is simpler to do the
>  >>>former.
>  >>>
>  >>Again, it would lead to some puzzled looks.  I would refer to the
>  >>official canonical location.
>  >>
>  >>/r$
>  >>
>  >>[1] http://www.w3.org/TR/REC-xml-names/#nsc-NSDeclared
>  >>[2] http://www.w3.org/TR/REC-xml-names/#xmlReserved
>  >>--
>  >>Zolera Systems, Securing web services (XML, SOAP, Signatures,
>  >>Encryption)
>  >>http://www.zolera.com
>  >>
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