Andreas Schwab <schwab@linux-m68k.org> writes:
> On Feb 14 2019, Norman Walsh <ndw@nwalsh.com> wrote:
>
>> Any clue how to debug this?
>
> Run B t (gnus-summary-respool-trace) on the message.

(: gnus-registry-split-fancy-with-parent)
(to "mac-users@.*acmecorp\\.com" "acmecorp.mac-users")
"acmecorp.mac-users"
(: nwalsh-incoming-group)
"archive.2019-02"

But the message wound up in acmecorp.sales. :-(

                                        Be seeing you,
                                          norm

-- 
Norman Walsh <ndw@nwalsh.com> | 'I have done that,' says my memory. 'I
http://nwalsh.com/            | cannot have done that'—says my pride,
                              | and remains adamant. At last—memory
                              | yields.--Nietzsche