John Tone Young wrote:
> I agree with the broad consensus that this is certainty rather than 
> precision, but I'm wondering what you're supposed to do if (for 
> instance) you're absolutely certain that it's 'notBefore' 1598 but 
> only making an educated guess that it's 'notAfter' 1615.
does this happen in practice? more likely to be
things like

  <birth notAfter="1598" cert="low"/>
  <death when="1623-08-01" cert="high"/>


but in general I don't see how to deal with the
precise situation.

Sebastian Rahtz      

Information Manager, Oxford University Computing Services
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