Jeremy Keith wrote in relation to denoting an "authoritative" hCard  
from another

Might I suggest, reusing how permalinks work in hAtom and hReview  
(particularly hReview)?

rel=bookmark is defined in the HTML 4 spec as
"Refers to a bookmark. A bookmark is a link to a key entry point  
within an extended document" [1]

Nothing there suggests that the bookmark is in any way authoritative,  
but an authoritative hCard would fall under "a key entry point within  
an extended document". So, we are half way there.

Then, if we look at, hReview we find there is already a similar  
solution. An hReview may point to its "permalink" (surely the  
authoritative version? Ryan your thoughts on the analogy?) using  
rel="bookmark self". The self part is required along with bookmark to  
"indicate that the hyperlink is a permalink for the review itself" [2]

So, suggestion is use

rel="bookmark self" to denote that the resource pointed to by the  
link (<a href) is the authoriatative version of the hCard (and indeed  
this might be a generalizable pattern? - the authoritative version of  
a microformat may be indicated by the use of a link to that  
microformat, with a rel value which includes "self" and "bookmark")

Thoughts?

Thanks

john

1.http://www.w3.org/TR/html4/types.html#type-links
2.http://microformats.org/wiki/hreview#Field_details

John Allsopp

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