24 Mar '13, 7pm

differ btw #rss #atom

RSS 2.0 may contain either plain text or escaped HTML, with no way to indicate which of the two is provided. Escaped HTML is ugly (for example, the string AT&T would be expressed as AT&T ) and has been a source of difficulty for implementors. The content model for titles is underspecified; titles containing angle brackets or ampersands will be misinterpreted by a significant fraction of readers regardless of how they are represented. The RSS 2.0 content model does not permit actual well-formed XML markup, which reduces the re-usability of content.

Full article: http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared