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RSS and Atom by Heinz Wittenbrink

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3.3 The Core Vocabulary of RSS 1.0

3.3.1 Structure

It is also possible to distinguish between structural and descriptive elements in RSS 1.0. This distinction can be better justified in RSS 1.0 than in RSS 2.0 and its predecessors, because the semantics of the elements are clearly defined. The elements that have a structural function represent either nodes (resources) or properties, the value of which is a node. The descriptive elements stand for properties, the value of which is a literal, that is, a string of characters. Within the core vocabulary of RSS 1.0, there are exactly three descriptive elements, namely, title, link, and description.

The descendants of the document element rdf:RDF are one channel element and one or more elements of the ...

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