Re: FriendFeed's Simple Update Protocol

--- In [email protected], "Charles Iliya Krempeaux"
<supercanadian@...> wrote:
> AFAIK, Atom requires you to use URLs for non-standard "rel" attribute
> values.  So what SUP is doing for the "rel" attribute is correct.

Interesting -- I wasn't aware of that. I tried to check it in the Atom
format spec, but I don't understand this sentence:

"The value of "rel" MUST be a string that is non-empty and matches
either the "isegment-nz-nc" or the "IRI" production in [RFC3987]."

http://www.atomenabled.org/developers/syndication/atom-format-spec.php#element.link

Which part of that means it's OK to define new relationships as IRIs
instead of getting IANA approval for your new rel value?

> <atom:link rel="http://api.friendfeed.com/2008/03#sup"
> href="http://friendfeed.com/api/sup.json#53924729"
> type="application/json" />
> ...

Are you aware of any IRI-based relationships that are currently in use
employing atom:link in feeds?


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