Eran,<div><br></div><div>Maybe I misunderstand you, but isn't adding a link to your XRDS file from HTML in fact one aspect of HTML discovery? </div><div><br></div><div>I mean, html discovery can result in an XRDS doc reference, finding openid.server (et. al) tags, or nothing at all.<br clear="all">
--<br>Andrew Arnott<br>"I [may] not agree with what you have to say, but I'll defend to the death your right to say it." - Voltaire<br>
<br><br><div class="gmail_quote">On Thu, Jan 8, 2009 at 8:55 AM, Eran Hammer-Lahav <span dir="ltr"><<a href="mailto:eran@hueniverse.com">eran@hueniverse.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<p><span style="font-size:11.0pt;color:#1F497D">I would like to see HTML-Based discovery removed from the spec
completely. There is no reason to have it anymore since you can simply add a
link to your XRDS file from HTML and get it all done there in a consistent way.</span></p>
<p><span style="font-size:11.0pt;color:#1F497D"> </span></p>
<p><span style="font-size:11.0pt;color:#1F497D">In my upcoming discovery spec I spell out that
resource-consumers must support multiple values in the rel attribute.</span></p>
<p><span style="font-size:11.0pt;color:#1F497D"> </span></p>
<p><span style="font-size:11.0pt;color:#1F497D">EHL</span></p>
<p><span style="font-size:11.0pt;color:#1F497D"> </span></p>
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<p><b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt"> <a href="mailto:general-bounces@openid.net" target="_blank">general-bounces@openid.net</a>
[mailto:<a href="mailto:general-bounces@openid.net" target="_blank">general-bounces@openid.net</a>] <b>On Behalf Of </b>Chris Messina<br>
<b>Sent:</b> Thursday, January 08, 2009 12:59 AM<br>
<b>To:</b> <a href="mailto:general@openid.net" target="_blank">general@openid.net</a> List<br>
<b>Subject:</b> [OpenID] HTML-Based Discovery incompatibilities</span></p>
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</div><div><div></div><div class="Wj3C7c">
<p> </p>
<p>I just read over SS 7.3.3 on HTML-Based Discovery [1], and
considering my experience today trying to re-delegate my OpenID, I've
discovered that this section needs to updated a clarified.<br>
<br>
It turns out that relying parties are not parsing HTML rel values in a standard
way. That is, if there is more than one rel value provided for a link, some RPs
fail, whereas others work fine.<br>
<br>
In other words, this:<br>
<br>
<link rel="<span><span style="background:#FFFF33">openid2.provider openid.server</span></span>"
href="<a href="http://factoryjoe.com/blog/" target="_blank">http://factoryjoe.com/blog/</a>"
/><br>
<link rel="<span><span style="background:#FFFF33">openid2.local_id openid.delegate</span></span>"
href="<a href="http://factoryjoe.com/blog/" target="_blank">http://factoryjoe.com/blog/</a>"
/><br>
<br>
is not the same as this:<br>
<br>
<link rel="<span><span style="background:#FFFF33">openid2.provider</span></span>" href="<a href="http://factoryjoe.com/blog/?openid_server=1" target="_blank">http://factoryjoe.com/blog/?openid_server=1</a>"
/><br>
<link rel="<span><span style="background:#FFFF33">openid2.local_id</span></span>" href="<a href="http://factoryjoe.com/blog/author/factoryjoe/" target="_blank">http://factoryjoe.com/blog/author/factoryjoe/</a>"
/><br>
<link rel="<span><span style="background:#FFFF33">openid.server</span></span>" href="<a href="http://factoryjoe.com/blog/?openid_server=1" target="_blank">http://factoryjoe.com/blog/?openid_server=1</a>"
/><br>
<link rel="<span><span style="background:#FFFF33">openid.delegate</span></span>" href="<a href="http://factoryjoe.com/blog/author/factoryjoe/" target="_blank">http://factoryjoe.com/blog/author/factoryjoe/</a>"
/><br>
<br>
It's my understanding that the rel attribute should be able to contain several
values.</p>
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<p> </p>
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<div>
<p>But I can tell you that IntenseDebate, for example, failed
when delegation was setup using the former code. It only worked when I broke
out the two links into four.</p>
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<p> </p>
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<div>
<p>I'm not sure if this is an issue with the libraries or what,
but I'd like to know if other people have experienced this problem, and if we
can improve the language in the spec to make sure that people understand that
they need to look for the presence of an element in a rel value -- not that the
*entire* value is one element.</p>
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<p> </p>
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<div>
<p style="margin-bottom:12.0pt">Chris<br>
<br>
[1] <a href="http://openid.net/specs/openid-authentication-2_0.html#html_disco" target="_blank">http://openid.net/specs/openid-authentication-2_0.html#html_disco</a><br>
<br>
-- <br>
Chris Messina<br>
Citizen-Participant &<br>
Open Web Advocate-at-Large<br>
<br>
<a href="http://factoryjoe.com" target="_blank">factoryjoe.com</a> # <a href="http://diso-project.org" target="_blank">diso-project.org</a><br>
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