| Description: | While commonly a news headline, with RSS 1.0's modular extensibility, this can be just about anything: discussion posting, job listing, software patch - any object with a URI.
While RSS 1.0 does not enforce an upper limit, for backward compatibility with RSS 0.9 and 0.91, a maximum of fifteen items is recommended.
{item_uri} must be unique with respect to any other rdf:about attributes in the RSS document and is a URI which identifies the item. {item_uri} should be identical to the value of the <link> sub-element of the <item> element, if possible.
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