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From: Bjoern Hoehrmann <derhoermi@gmx.net>
To: Julian Reschke <julian.reschke@gmx.de>
Date: Thu, 02 Jun 2011 00:18:56 +0200
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Subject: Re: [link-relations] NEW RELATION - canonical
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* Julian Reschke wrote:
>On 01.05.2011 19:34, Frank Ellermann wrote:
>> On 2011-04-15 I posted "NEW RELATION - canonical", and one day later I
>> amended it by
>> s/similar similar/similar/.  After two weeks that's now an "ETMO"
>> (error time out), and
>> RFC 5988 offers no default accept or reject rule.
>> ...
>
>I did answer in 
><http://www.ietf.org/mail-archive/web/link-relations/current/msg00186.html>, 
>right?
>
>That being said, I totally agree this is moving too slowly.

You said that a month ago, where the request was already two weeks old.
In your answer you only asked a question; as far as I can tell none of
the designated experts have so far approved or denied the request. So,
"Within at most 14 days of the request, the Designated Expert(s) will
either approve or deny the registration request" does not seem true. I,
well, I am mostly wondering why anyone would have thought it a good idea
to make this promise in the specification. Any thoughts on that? Keeping
in mind that this promise has been broken several times, as far as I can
tell.

(I think it is an unreasonable requirement and am looking for what to
tell the next person who proposes such a requirement so they abandon the
idea early on, I don't really care about how many days it takes to
register a link relation; in this instance, people could just have said
they want Approve or Deny _now_ and I do think they would have gotten
that timely, but dealing in such absolutes often leads to unhappiness.)
-- 
Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de
Am Badedeich 7 · Telefon: +49(0)160/4415681 · http://www.bjoernsworld.de
25899 Dagebüll · PGP Pub. KeyID: 0xA4357E78 · http://www.websitedev.de/ 

From julian.reschke@gmx.de  Wed Jun  1 15:27:50 2011
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From: Julian Reschke <julian.reschke@gmx.de>
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On 2011-06-02 00:18, Bjoern Hoehrmann wrote:
> * Julian Reschke wrote:
>> On 01.05.2011 19:34, Frank Ellermann wrote:
>>> On 2011-04-15 I posted "NEW RELATION - canonical", and one day later I
>>> amended it by
>>> s/similar similar/similar/.  After two weeks that's now an "ETMO"
>>> (error time out), and
>>> RFC 5988 offers no default accept or reject rule.
>>> ...
>>
>> I did answer in
>> <http://www.ietf.org/mail-archive/web/link-relations/current/msg00186.html>,
>> right?
>>
>> That being said, I totally agree this is moving too slowly.
>
> You said that a month ago, where the request was already two weeks old.
> In your answer you only asked a question; as far as I can tell none of
> the designated experts have so far approved or denied the request. So,
> "Within at most 14 days of the request, the Designated Expert(s) will
> either approve or deny the registration request" does not seem true. I,
> well, I am mostly wondering why anyone would have thought it a good idea
> to make this promise in the specification. Any thoughts on that? Keeping
> in mind that this promise has been broken several times, as far as I can
> tell.
>
> (I think it is an unreasonable requirement and am looking for what to
> tell the next person who proposes such a requirement so they abandon the
> idea early on, I don't really care about how many days it takes to
> register a link relation; in this instance, people could just have said
> they want Approve or Deny _now_ and I do think they would have gotten
> that timely, but dealing in such absolutes often leads to unhappiness.)

I agree with you that it's an unreasonable requirement.

I'm also forwarding this message to the people who've been working on 
the spec, but haven't submitted anything yet...

Best regards, Julian

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From: Frank Ellermann <hmdmhdfmhdjmzdtjmzdtzktdkztdjz@gmail.com>
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On 2 June 2011 00:27, Julian Reschke <julian.reschke@gmx.de> wrote:

>>> I did answer in
>>> <http://www.ietf.org/mail-archive/web/link-relations/current/msg00186.h=
tml>,
>>> right?

Sorry, I sent a reply only as PM back in April, just in
case repeated here:

|> we do have people at Google looking into writing a
|> "proper" spec
|
| Just in case I posted a pointer in the "webmaster help" | forum (*).
|
|> maybe you are willing to assist them, given your IETF |>know-how?
|
| But you don't want the rel=3D"canonical" registration
| in 2016... ;-)  If somebody writes an RFC its IANA
| considerations could update a registration.  You're
| not forced to wait for that; above all don't hold
| your breath.

IOW, I think the relation should be registered now, and
I'm waiting for a "reject" or "accept" decision (seven
weeks now).  The appeal sent to the APPS-AD address
apparently didn't make it, that could be a problem with
the forwarding on the tools server.

[Bj=F6rn wrote:]
>> I am mostly wondering why anyone would have thought
>> it a good idea to make this promise in the
>> specification. Any thoughts on that?

A review timeout is a good idea, the language tags list
has a similar rule.  Years ago on the charsets list
without clear timeout it took months until folks were
sure that the expert did not more read the list.

-Frank

From stpeter@stpeter.im  Fri Jun  3 13:36:42 2011
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This is a cryptographically signed message in MIME format.

--------------ms080500050908070306060100
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On 4/15/11 12:29 PM, Julian Reschke wrote:
> On 15.04.2011 20:09, Frank Ellermann wrote:
>> Relation Name: canonical
>> Description:   A "canonical" URI is the preferred version of a set of
>> URIs
>>                 with highly similar content.  It is intended to help
>> search
>>                 engines when the same or highly similar similar
>> content is
>>                 available at different URIs.
>> Reference:     About rel=3D"canonical"
>>               =20
>> http://www.google.com/support/webmasters/bin/answer.py?answer=3D139394=

>> Notes:         In<http://www.mattcutts.com/blog/canonical-link-tag/>  =
and
>>                 <http://gregable.com/2009/02/relcanonical.html>  the
>> authors
>>                 state that Ask, Bing, Google, and Yahoo supported
>> canonical
>>                 URIs as of February, 2009.
>=20
> Frank,
>=20
> we do have people at Google looking into writing a "proper" spec --
> maybe you are willing to assist them, given your IETF know-how?

I'd be happy to sponsor the old spec if someone can volunteer to work on =
it:

http://tools.ietf.org/id/draft-johnston-addressing-link-relations-01.txt

It is very short and quite complete, so I think it would be easy to move
this forward.

Peter

--=20
Peter Saint-Andre
https://stpeter.im/




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From hmdmhdfmhdjmzdtjmzdtzktdkztdjz@gmail.com  Fri Jun  3 14:27:55 2011
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From: Frank Ellermann <hmdmhdfmhdjmzdtjmzdtzktdkztdjz@gmail.com>
Date: Fri, 3 Jun 2011 23:27:30 +0200
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Subject: Re: [link-relations] NEW RELATION - canonical
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On 3 June 2011 22:36, Peter Saint-Andre <stpeter@stpeter.im> wrote:

> I'd be happy to sponsor the old spec if someone can
> volunteer to work on it:

[... about I-D.johnston-addressing-link-relations ...]

> It is very short and quite complete, so I think it
> would be easy to move this forward.

Not short enough from my POV:  We already have "self"
and "bookmark".  The name "permalink" is much better
than "bookmark", but unless I miss the point it would
be the same relation.  And two names for one relation
would be a bad thing.

Actually I have the same problem with "canonical" and
"self", is this the same relation, and if not, what
is the difference?  OTOH "canonical" is widely used,
and has a clear definition, therefore it should be
registered.

No redundancy issues with "mirror" and "shortlink",
but admittedly I don't see how applications are
supposed to use these relations.

So far for the sponsored draft, I'm certainly not hot
about it.  But it can take years until an RFC is ready.

So why not register "canonical" as is *now*, and if an
RFC later offers a better specification later it can
simply update the registration?

[RFC 5988 section 6.2.1]
| relation types can be registered by third parties,
| if the Designated Expert determines that an
| unregistered relation type is widely deployed and
| not likely to be registered in a timely manner.

It is "widely deployed", so what does "timely" mean?
Clearly search engines will continue to do their job
with or without registration of "canonical", with or
without an RFC.

Only folks looking into the registry for "canonical"
and finding nothing (at the moment) are a potential
problem, if they also miss...

http://lmgtfy.com/?q=link+rel+canonical&l=1

If they invent a completely new successful relation
with name "canonical" RFC it would be seriously bad.

I'm not really worried about this, but I don't like
incomplete or outdated IANA registries.

-Frank

From stpeter@stpeter.im  Fri Jun  3 14:37:00 2011
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On 6/3/11 3:27 PM, Frank Ellermann wrote:

> So far for the sponsored draft, I'm certainly not hot
> about it.  But it can take years until an RFC is ready.

It certainly shouldn't in this case!

> So why not register "canonical" as is *now*, and if an
> RFC later offers a better specification later it can
> simply update the registration?
>
> [RFC 5988 section 6.2.1]
> | relation types can be registered by third parties,
> | if the Designated Expert determines that an
> | unregistered relation type is widely deployed and
> | not likely to be registered in a timely manner.
>=20
> It is "widely deployed", so what does "timely" mean?
> Clearly search engines will continue to do their job
> with or without registration of "canonical", with or
> without an RFC.
>=20
> Only folks looking into the registry for "canonical"
> and finding nothing (at the moment) are a potential
> problem, if they also miss...
>=20
> http://lmgtfy.com/?q=3Dlink+rel+canonical&l=3D1
>=20
> If they invent a completely new successful relation
> with name "canonical" RFC it would be seriously bad.
>=20
> I'm not really worried about this, but I don't like
> incomplete or outdated IANA registries.

The Designated Experts are:

Mark Nottingham, Eran Hammer-Lehav, Julian Reschke

Julian posted earlier on this list that it would be nice to have a spec,
but I leave it up to the DEs whether a link to a blog post is
acceptable, i.e.:

http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical=
=2Ehtml

Peter

--=20
Peter Saint-Andre
https://stpeter.im/




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Date: Mon, 6 Jun 2011 01:59:45 +0200
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Peter Saint-Andre <stpeter@stpeter.im> wrote:

> Julian posted earlier on this list that it would be
> nice to have a spec, but I leave it up to the DEs
> whether a link to a blog post is acceptable, i.e.:

> http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html

Indeed, it would be nice to have a proper specification.

But it would be also nice to get a clear decision for a
registration request posted in April based on the Google
webmaster help article as ersatz-spec -- IMO slightly
better than an expired I-D or old blog entry.

Frank

From julian.reschke@gmx.de  Fri Jun 17 00:45:56 2011
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Subject: Re: [link-relations] NEW RELATION - canonical
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On 2011-06-06 01:59, Frank Ellermann wrote:
> Peter Saint-Andre<stpeter@stpeter.im>  wrote:
>
>> Julian posted earlier on this list that it would be
>> nice to have a spec, but I leave it up to the DEs
>> whether a link to a blog post is acceptable, i.e.:
>
>> http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html
>
> Indeed, it would be nice to have a proper specification.
>
> But it would be also nice to get a clear decision for a
> registration request posted in April based on the Google
> webmaster help article as ersatz-spec -- IMO slightly
> better than an expired I-D or old blog entry.
>
> Frank

Ok.

It doesn't seem that we'll see a "proper" spec any time soon, so let's 
go ahead with registering what's there.

Frank: is the template you posted in April 
(<http://www.ietf.org/mail-archive/web/link-relations/current/msg00185.html>)...

> Relation Name: canonical
> Description:   A "canonical" URI is the preferred version of a set of URIs
>                with highly similar content.  It is intended to help search
>                engines when the same or highly similar similar content is
>                available at different URIs.
> Reference:     About rel="canonical"
>                http://www.google.com/support/webmasters/bin/answer.py?answer=139394
> Notes:         In <http://www.mattcutts.com/blog/canonical-link-tag/> and
>                <http://gregable.com/2009/02/relcanonical.html> the authors
>                state that Ask, Bing, Google, and Yahoo supported canonical
>                URIs as of February, 2009.

...what we should use?

The URI seems to be less stable than

 
http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html

but appears to have more relevant content...

Best regards, Julian


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On 17 June 2011 09:45, Julian Reschke wrote:
> Frank: is the template you posted in April
[...]
> ...what we should use?

Amended by s/similar similar/similar/ one day later, yes.

> The URI seems to be less stable than
[blog entry]
> but appears to have more relevant content...

Well, blog entries are rarely updated, "less stable" here
just means "fresher" or "more relevant".  We can still
hope that a "real" and "stable" specification updates
the registry at some point in time (but obviously not in
2011).

Unrelated, I saw that HTML5 uses rel="icon" also for
what used to be rel="aple-touch-icon", does that mean
we can ignore apple-touch-icon, or should this still be
registered as "obsoleted by" with a pointer to HTML5
or WhatWG HTML?

Similar I'm not sure what to do about "shortcut icon",
is this required anywhere, e.g., in some IE versions?

Or is rel="shortcut icon" always the sme as rel="icon"
at least for .ICO resources (where experts claim that
using the proper MIME type might no work, and prefer
image/x-icon)?

Cheers,
 Frank

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Subject: [link-relations] Fwd: I-D Action: draft-ohye-canonical-link-relation-00.txt
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(FYI)

-------- Original Message --------
Subject: I-D Action: draft-ohye-canonical-link-relation-00.txt
Date: Sun, 26 Jun 2011 22:46:52 -0700
From: internet-drafts@ietf.org
Reply-To: internet-drafts@ietf.org
To: i-d-announce@ietf.org

A New Internet-Draft is available from the on-line Internet-Drafts 
directories.

	Title           : The Canonical Link Relation
	Author(s)       : Maile Ohye
	Filename        : draft-ohye-canonical-link-relation-00.txt
	Pages           : 6
	Date            : 2011-06-26

    This specification defines the canonical link relation -- an element
    which designates the preferred version of content/URI from a set of
    duplicate or near duplicate pages.

Editorial Note (To be removed by RFC Editor)

    Distribution of this document is unlimited.  Comments should be sent
    to the IETF Apps-Discuss mailing list (see
    &lt;https://www.ietf.org/mailman/listinfo/apps-discuss&gt;).


A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ohye-canonical-link-relation-00.txt

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ohye-canonical-link-relation-00.txt
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Hello Maile,

Several comments to your draft-ohye-canonical-link-relation-00.

There is the Intended Status missing in it.  I suppose Informational 
should be fine.

> 1. Introduction
>
>    The canonical link relation specifies the preferred version of a URI
I think some introductory text on linking, probably based on RFC 5988, 
should go here.

Section 2:

>     Presence of the canonical link relation indicates
>     to applications, such as search engines, that they MAY:
I wonder why it's MAY; in this case implementations (explicitly, those 
apps which interpret Link: headers and corresponding construction in 
HTML) will be free to ignore it.  I think normative SHOULD should be OK 
(sorry for pun).

I support the remark from Frank Ellermann 
(http://www.ietf.org/mail-archive/web/apps-discuss/current/msg02870.html) about 
SHOULD NOTs in the document.

>     The value of the target/canonical URI MAY:
I suppose omitting "value of the" should be better, since there is no 
such term in RFC 3986.  In fact, when referring the URI, we mean its 
value, meaning.

>     o  Exist on a different protocol: http to https, or vice versa
You probably meant URI scheme here, since https isn't a separate 
protocol.  As before these points we had "The value of the 
target/canonical URI MAY" or, if you consider my comment above, "The 
target/canonical URI MAY", this point may be reworded as "Have different 
scheme names" (which suits the second variant of a preface to this list 
better).

Reading section 3 and 5 of the draft, it seems that is mandates use of 
HTTP when referring to canonical URIs.  And what is the situation when 
target URI is a 'ftp' or 'gopher' URI?  Section 3 allows different 
scheme names in context/target URIs, if I understand it correctly.  
Therefore, unless it is deliberately, I think any mention of HTTP should 
be replaced by more generic regulations.

> 8.  Internationalisation Considerations
>
>     In designating a canonical URI, please see [RFC3986] for information
>     on URI encoding.
URIs themselves are not internationalized, in terms of RFC 3536, which 
defined:

>     internationalization
>
>        In the IETF, "internationalization" means to add or improve the
>        handling of non-ASCII text in a protocol.<NONE>
IRIs serve for this purpose.  I recommend either to rename the section 
to Encoding considerations or skip it at all ( I personally like 2nd 
variant).

Thanks,
Mykyta Yevstifeyev

27.06.2011 11:20, Julian Reschke wrote:
> A New Internet-Draft is available from the on-line Internet-Drafts 
> directories.
>
>     Title           : The Canonical Link Relation
>     Author(s)       : Maile Ohye
>     Filename        : draft-ohye-canonical-link-relation-00.txt
>     Pages           : 6
>     Date            : 2011-06-26
>

