> I don't think you can do that with a RIF, for the reason already
> mentioned: Emacs is dumped in batch mode, where we have a frame type
> that doesn't support fringes, and doesn't implement the RIF interfaces
> you will need.
>

Ok, I'm not eager to rework this, so if you think that avoiding repeating
that bit shuffling at the beginning is worth the additional coupling and
complexity I trust in your criterion and close this issue. Thanks.

>