Dave Winer has started work on developing RSS 0.93, an incremental update from RSS 0.92. The main driving force for this has been the requirement to add a publication date to each item, something that has been possible in RSS 1.0 since December last year. It's sad to see the wheel being reinvented again: if Dave used Dublin Core for his RSS extensions then people wouldn't have to write parsers for the new date element. If they're parsing RSS 1.0 then they'll already be set up to expect <dc:date> elements.
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