To address issue with certain feeds (brought up by Charles Miller):
"During the debacle that was the rollout of RSS2.0, this namespace was tried,
and even appeared in Dave Winer's Scripting News feed for a while. It was
then withdrawn, but the wonderful thing about standards is the moment you
roll one out, even if it's marked as unfinished and subject to change,
someone will end up stuck with it forever."
Note that there is not counter part on the generator, we only generate the final RSS2