html5 - How many id's can contain the itemref? -


if onto working example of itemref usage:

<table>  <col itemscope itemref="a0 a1 a2"></col>  <tr>   <th>who</th>    <td id=a0 itemprop=band>tub ring</td>  </tr>  <tr>   <th>when</th>    <td id=a1><time itemprop=date datetime=2010-01-01>the big fool day!</time></td>  </tr>  <tr>   <th>where</th>    <td id=a2 itemprop=location>atlantis!</td>  </tr> </table>

, see, itemref can contain id's, divided space. question is: how many? how many id's can put itemref?

i have page 4 types , ca. 80 properties.

  • the easiest way not brake brain nesting of them all, write properties 1 aftter 1 down giving them id, , take type , put id's, must belong itemref.
  • the "right" way make nesting, possible, on other places use itemref.

would give me advice?

thanks

put many like. standard sets no restriction , implementation specific limit of number of properties unlikely lower itemrefs properties established via descendent elements.


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