[uf-discuss] Rationale for providing hAtom instead of Atom/RSS feeds

André Luís andr3.pt at gmail.com
Wed May 28 09:09:20 PDT 2008

*smacks forehead*

Of course! Makes perfect sense. Why not extend this to other formats?

hatom, rel="hfeed next"
hcalendar, rel="hcalendar next"

Since both formats have a root node to encapsulate several
hentry|vevent, it would be (AFAIK) semantically correct.

It would allow parsers to do a better job at parsing the entire
"stream" of related Entries and Events.

Is there any downside in this approach I'm not foreseeing?
André Luís

On Wed, May 28, 2008 at 2:49 PM, James Aylett <james at tartarus.org> wrote:
> On Wed, May 28, 2008 at 02:07:29PM +0100, André Luís wrote:
>> Maybe rel="next" could be made a "recommendation" to establish links
>> between pages containing streams of uf's. Generically.
> HTML defines rel='next' [1] in terms of the relationship between the
> HTML documents. There's a semantic concern here of the relationship
> between the microformat data embedded in the page and the HTML
> document. There may be more than one embedded collection of
> microformats in a single HTML document (indeed, this is a good thing
> :-).
> I suspect a generic recommendation here is unwise, as the implication
> (paged streams of microformats should be presented as HTML pages
> linked together using rel='next') is not reflexive (it is certainly
> not true that all HTML pages with rel='next' and containing
> microformats that /may/ be presented as paged streams actually embody
> a paged stream of microformats; consider for instance a paged preview
> of a year using hCalendar to point out conferences; those hCalendar
> instances might be in a sidebar and present on every page of the
> preview).
> The XFN pattern isn't so simplistic, of course: rel='me next' is
> different to rel='next'. (Although I'd consider this a slightly
> questionable reading of the definition of @rel, since the semantic
> relationship between multiple link-types on the same anchor or link
> is, I believe, not specified in HTML.)
> In the case of hAtom, rel='feed next' would achieve a similar
> distinction. A general recommendation could presumably be made that
> this approach is the correct one, if it is agreed that this approach
> is the correct one.
> James
> [1] <http://www.w3.org/TR/html401/types.html#type-links>
> --
> /--------------------------------------------------------------------------\
>  James Aylett                                                  xapian.org
>  james at tartarus.org                               uncertaintydivision.org
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