BIND 9.11 no longer respects edns-udp-size?

[Stéphane Bortzmeyer]

On Mon, Mar 11, 2019 at 12:57:02PM +0000,
 Tony Finch <dot at dotat.at> wrote 
 a message of 40 lines which said:

> > ; <<>> DiG 9.10.3-P4-Debian <<>> @194.0.9.1 DNSKEY ma
> 
> To properly diagnose UDP message size issues you need +ignore +notcp on
> the command line. (You actually need both options to stop dig using TCP in
> all situations.) The response you pasted looked to me like what I get when
> dig retries over TCP (except the "Truncated, retrying" notice was
> omitted).

I know and this is why I both checked the absence and "Truncated,
retrying" and used tcpdump to be sure UDP was used.

> > ; EDNS: version: 0, flags: do; udp: 1432
> 
> Weirdly, the DO flag here implies you added the +dnssec option but it
> wasn't mentioned on the command line.

% cat ~/.digrc 
+bufsize=4096
+dnssec
+multi

IMHO, dig could add these options on the command-line it displays.

> Mark answered this part of the question, but I recommend also using
> minimal-responses and minimal-any

Does minimal-responses make sense for an authoritative name server?
(Note there was no glue involved.)