> > The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", > > "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this > > document are to be interpreted as described in [RFC2119] when they > > appear in ALL CAPS. These words may also appear in this document in > > lower case as plain English words, absent their normative meanings. > i like this a lot I agree. In fact I just incorporated it into the media types registration update. Ned