Have a look at:
http://www.sil.org/sgml/elementAttr9804.html
-- Fabien
Thierry Thelliez wrote:
> <books>
>    <book isbn="0345374827">
>      <title>The Great Shark Hunt</title>
>      <author>Hunter S. Thompson</author>
>    </book>
>  </books>
>
> why isn't it:
>
> <books>
>    <book isbn="0345374827" title ="The Great Shark Hunt"
> author="Hunter S. Thompson"
>    </book>
>  </books>
>
> or
>
> <books>
>    <book
>     <isbn>0345374827</isbn>
>      <title>The Great Shark Hunt</title>
>      <author>Hunter S. Thompson</author>
>    </book>
>  </books>
>
> So far I have understood that the 3 notations are legal. But are they
> identical ?