[uf-discuss] hCard and Life Dates?

[Atamido]

Ryan King wrote:
> One option would be to use both. This may seem a bit convoluted, but  
> hopefully it can be illustrative of how microformats can be overlaid.
> 
> <div class="vcard vevent">
>     <span class="fn summary">Albert Einstein</span>
>     (<abbr class="dtstart bday" title="1879-03-14">March 14, 1879</ abbr -
>      <abbr class="dtend" title="1955-04-18">April 18, 1955</abbr>)
> </div>
> 
> A couple notes:
> 1. Using vevent class name without a surrounding vcalendar class name  
> implies that the entire document is a vcalendar.

Are there drawbacks to using to having an entire document be a vcalendar 
if there are multiple people being spoken about?  Is the greatest danger 
a class collision?

Is there any real disadvantage to using 'bday' instead of 'dtstart'?


Atamido