On Tue, Jan 31 2023, brian m. carlson wrote:

Since then, I've been very opposed to us guaranteeing output format
consistency without explicitly doing so.  I had sent some patches before
that I don't think ever got picked up that documented this explicitly.
I very much don't want people to come to rely on our behaviour unless we
explicitly guarantee it.

FWIW I think the reason that didn't get picked up (I went back and read
the discussion) is that there was some feedback on the v1, [1] suggested
(at least to me) that you'd re-roll it, but that re-roll never seems to
have made it to the list.

1. https://lore.kernel.org/git/YD7aDwX%2FaiRN0GZs@camp.crustytoothpaste.net/ (local)