bug#54158: 28.0.91; duplicate mail downloads in Gnus (IMAP)

[Eric Abrahamsen]

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> On 03/18/22 11:34 AM, Roland Winkler wrote:
>> On Fri, Mar 18 2022, Eric Abrahamsen wrote:
>>> Okay, that's helpful, thanks. I'll try to concentrate on finding
>>> differences in behavior between a single :mailbox and multiple.
>>
>> One more thought:
>>
>> My Gnus talks to the imap server on localhost (davmail).  Is it possible
>> to look at this communication?  Then I could try to find out in which
>> way Emacs 27 is communicating differently with the imap server compared
>> with Emacs 28.
>>
>> (I just convinced myself once more that the problems with duplicate mail
>> downloads for multiple folders on the IMAP server go away when I use
>> Emacs 27.)
>
> You can set `nnimap-record-commands' non-nil, and should get a buffer
> containing the client-server conversation to look at.

Sorry, this is only for nnimap servers. Robert's suggestion is the right
one (imap-log no longer exists, but I think it's still there in Emacs 28.1?)