I get an "undefined root element: xhtml:html " error when I use FeedValidator.org to validate feeds for HappinessBlog.com on a brand new download and install of Kubrick Special.
Another forum posting said code was mistaken being inserted into the feeds, see:
I'm new to WordPress. I've recently migrated from Blogger to WordPress.com and then to stand alone space on 1and1.com
I imported content from Blogger through WordPress.com to the new WordPress installation at 1and1.
Could something in my content files causing this error? I'm new to WordPress, I'm learning fast.