[whatwg] Historic dates in HTML5

Henri Sivonen hsivonen at iki.fi
Thu Mar 5 00:04:45 PST 2009

On Mar 5, 2009, at 01:29, Jim O'Donnell wrote:

> Is there any suitable markup in HTML5 for dates in digitised  
> documents from museums, libraries and archives?

What would consuming software do with those dates?

The <time> element is meant as a replacement for the microformat  
<abbr> design pattern in hCalendar (if the microformat community  
embraces <time>; if not, <time> in pretty much pointless in HTML5).  
The expected use cases of hCalendar are mainly transferring *future*  
event entries from a Web page into an application like iCal.  
Conceivable, one might perhaps also want to support entries that  
encode the birthday (in the past) of a living person with an annual  

Henri Sivonen
hsivonen at iki.fi

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