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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? --- Seairth Jacobs seairth@s... From: "Andrew Layman" <andrewl@m...> > > 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. > > <Poem> > <@title>Paradise Lost</@title> > <@author> > <@birth>1608</@birth> > <@death>1674</@death> > John Milton > </@author> > 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 ... > </Poem>
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