>
>
> Another limitation of <link> and <meta> is that they cannot be nested. So
> while they are handy for adding properties to an existing item in content
> flow, they are not the best approach for more stand alone snippets like the
> ones Gavin posted, where nesting is preferable and more human friendly. To
> avoid nesting and keep a flat set of HTML elements in <head>, you could use
> @about (à la N Triples) or @itemref which would lead to
> more complicated markup.
>
>
I'm not sure I see the limitation here. You can wrap <div> or <span> tags
around the <link> and <meta> elements to nest them. The <div> or <span> is
an item, while the <meta> or <link> contain string properties.