Since the introduction of use of XRIs in the OpenID and extension specs, I've been confused when URI is used in the spec in knowing whether this had to be a standard-looking http: URL or if an XRI is an acceptable URI. Is XRI a specific type of the more general URI?<br>
<br>One specific instance of confusion for me is in <a href="http://openid.net/specs/openid-attribute-exchange-1_0.html#attribute-name-definition">Attribute Exchange</a> spec where it discusses the attribute type URI. Must this be a valid http: URL, or can it be an XRI or some other string format? <br>
<br>Thanks.<br><br><div class="gmail_quote">On Thu, May 22, 2008 at 2:07 PM, Andy Powell <<a href="mailto:andy.powell@eduserv.org.uk">andy.powell@eduserv.org.uk</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
In a message to the W3C Technical Architecture Group list yesterday<br>
<br>
<a href="http://lists.w3.org/Archives/Public/www-tag/2008May/0078.html" target="_blank">http://lists.w3.org/Archives/Public/www-tag/2008May/0078.html</a><br>
<br>
Tim Berners-Lee and Stuart Williams, co-chairs of the TAG state<br>
categorically, "We are not satisfied that XRIs provide functionality not<br>
readily available from http: URIs. Accordingly the TAG recommends<br>
against taking the XRI specifications forward, or supporting the use of<br>
XRIs as identifiers in other specifications".<br>
<br>
Is there a view here about whether this has any impact on the current<br>
adoption of XRI in the OpenID 2.0 spec?<br>
<br>
Andy<br>
--<br>
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</font></blockquote></div><br><br clear="all"><br>-- <br>Andrew Arnott