[whatwg] Codecs for <audio> and <video> -- informative note?

[Aryeh Gregor]

On Mon, Jul 6, 2009 at 4:01 AM, David Gerard<dgerard at gmail.com> wrote:
> A spec that makes an encumbered format a "SHOULD" is unlikely to be
> workable for those content providers, e.g. Wikimedia, who don't have
> the money, and won't under principle, to put up stuff in a format
> rendered radioactive by known enforced patents.

That's why "should" is not the same as "must".  Those who have a good
reason not to do it can decline to do it.