Sure. For example:<div><br></div><div><Subject>{uri}</Subject></div><div><br></div><div>...would be one obvious way for the XRD to say this explicitly. Not a very useful Subject outside of a specific context of course.<br>
<br><div class="gmail_quote">On Thu, Nov 5, 2009 at 4:50 PM, John Kemp <span dir="ltr"><<a href="mailto:john@jkemp.net">john@jkemp.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
On Nov 5, 2009, at 4:36 PM, John Panzer wrote:<br>
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[...]<div class="im"><br>
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<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
(3) My XRD has no Subject element, so I use as its Subject the URI (user account) I started discovery on.<br>
</blockquote>
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Which would have the same semantics as an XRD whose Subject contained a (special) URI which meant "the user account I started discovery on" (which is not the actual URI of the user account I started discovery on).<br>
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Regards,<br>
<br>
- johnk<br>
</blockquote></div><br></div>