>I could only think of very few (and not very user visible) changes. There
>have been a few nasty kernel bugs fixed, and some libc improvements (like
>__clone() now working for real). What else?

This ties in with a question I have about BIND.  In revision 1.5 of
src/usr.sbin/bind/include/config.h, a change was made to correct
functionality on sparc and sparc64.  Revision 1.6 seems to have done
away with that change.  If that change is no longer needed in 4.0 and
above, it might be relevant to mention.  (Or it might be too minor, I
don't know.)  Alternately, perhaps the change was clobbered
unintentionally?

Dave