It may be that the journalists, and party spokesmen, that you criticise are speaking from a deeper knowledge than your quick scan of some of the law allow

Well, that is always possible, of course. None of us are omniscient. But as far as a link goes, it was to the actual legislation on the government web site.

There are close links between early release and HDC, because it is release under supervision under the leglislation, and HDC is one of the means of supervision.