Invariant -- question #2

[Jarrett Billingsley]

On Tue, Oct 21, 2008 at 11:14 AM, Lars Ivar Igesund
<larsivar at igesund.net> wrote:
> It was changed when invariant was introduced to D2 as to make a transition
> path ... I think it was announced too.

I can't find anything about it in the changelog, but maybe it was
buried in the newsgroups somewhere.  W has a habit of not announcing
important changes until three months later when he mentions it in
passing in a reply as if everyone knew about it.