I don’t understand why the iTunes RSS extension spec (you know, the one you get when you google for itunes rss) hasn’t been updated since July 2005:

http://phobos.apple.com/static/iTunesRSS.html

But if you want the latest version (as of October 2005) it’s buried in an archive of an Apple mailing list:

http://lists.apple.com/archives/syndication-dev/2005/Nov/msg00002.html

…that I wouldn’t have known about if I wasn’t on the feedvalidator mailing list.

This post first appeared on From the Belly of the Beasts, a weblog from some of the people who build O’Reilly websites.