I’ll want to read this later!:
http://www.webreference.com/authoring/languages/xml/rss/1/
It’s about the various issues of RSS. I’m writing an RSS->XHTML XSLT file atm, and I can’t find a suitable XSLT file that’ll translate between the various RSS versions. Surely there must be one?
Update: Potential link (see bit about normalisation)! Hray for open source.
Sorry if this bores the non-techie readers, I promise to have filtering working soon.