Uh.. thruth in advertising time. There were some radix tree bugs in
> BSD that Dennis found when playing with NetBSD on Sparc and BSDI. I'm
> not sure if they made it into BSD 4.4Lite, BSDI 2.0, or any DEC OSF
> product. I think Jeff sent the patches to someone at UCB and to BSDI.
> I think they made BSDI 2.0 but I'd guess not the others yet.
>
> Better get a more reliable source. 
Both FreeBSD and Lite-2 have the bugfixes for mask sorting. I assume NetBSD
will carry it the moment that Lite-2 is made public.