[uf-discuss] hatom tumblr theme
james at atomless.com
Mon Dec 15 06:32:08 PST 2008
All very helpful and informative - thanks Toby!
Toby A Inkster wrote:
> James Tindall:
>> Incidentally however, this vcard validator now complains that uid should
>> not appear twice on a page with the same value?
> There is no prohibition on reusing UIDs in the hCard spec, but
> hcard.geekhood.net goes far beyond the spec with regards to suggesting
> best practices and things you might have missed. In general, I think
> it's a good tool, but in this case I (personally) disagree with it.
> If Joe has an hCard for himself on his index.html and another hCard
> for himself on his contact-me.html, then nobody would think twice
> about giving them both the same UID. So if two hCards on different
> pages can have the same UID, then why not two hCards on the same page?
> What is important (and again this is just my opinion) is that if two
> hCards do have the same UID (whether they're on different pages or the
> same page), then they should be referring to the same contact (person,
> organisation, place, whatever).
> To back up my argument, I'll cite the vCard spec (RFC 2426) which
> defines the purpose of "UID" as:
>> To specify a value that represents a globally unique
>> identifier corresponding to the individual or resource
>> associated with the vCard.
> That is, the UID is a unique identifier for the contact, not a unique
> identifier for the card.
> I've contacted Kornel about this warning message and suggested that he
> change it so that the warning is only issued if two hCards have the
> same UID but different FNs.
> As an aside, I'll point out that I do *not* recommend using the same
> UID for the historic hCards in a resume, because in that situation,
> merging details is not the desired behaviour - you want them to be
> kept separate.
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