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Yes, but then people will have metadata of metadata, etc. So do you make
structured attributes for structured attributes? Where does it stop?
From: "Andrew Layman" <email@example.com>
> James Clark wrote: "RE: - they ought to have be able to structured
> values, just like elements (i.e. one could view the content of an
> element as a special unnamed attribute), .."
> Agreed. Attributes are highly useful as a means to attach metadata or
> annotations to elements. Metadata itself may have structure and may
> have metadata, hence the utility of structured attributes and attributes
> of attributes.
> The obvious syntactic device (in a future version of XML) for a
> structured attribute is something that looks much like an element, e.g.
> <@title>Paradise Lost</@title>
> John Milton
> Of Man's First Disobedience and the Fruit
> Of that Forbidden Tree, whose mortal tast
> Brought Death into the World, and all our woe,
> With loss of Eden, till one greater Man
> Restore us, and regain the blissful Seat,
> Sing Heav'nly Muse ...