Re: "HEAD -> branch" decoration doesn't work with "--decorate=full"

Michael Haggerty [off-list ref] writes:

The new-style "HEAD -> branch" style decoration doesn't work when
"--decorate=full" is used:
...
Was that an oversight or a conscious decision?

I do not recall making such a decision, and I doubt (the other)
Michael wanted that way, either, so patches welcome, perhaps?