[dns-operations] NXDOMAIN vs NODATA for suffixes of existing name

[Paul Vixie]

> Then, part a applies - "copy all RRs which match QTYPE into the 
> answer section" - since the number of matching RRs is 0, there is an 
> empty answer section.  However, there is no error (i.e., return code 
> remains "no error", = 0).
> 
> You wouldn't set the return code to name error because it is only set 
> that way in "c", and, as you note, you don't get there.

i love it when 1035 turns out to be correct and consistent.

to me, b.example.net exists because that's what we decided for dnssec,
and if 1035 had said something else, then 1035 would be wrong in this
case.