bug#39618: 28.0.50; gnus nnimap reports more group articles than actually exist

[Eric Abrahamsen]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> Deus Max <deusmax@gmx.com> writes:
>
>> Simplifying nnimap not to keep track of local marks, may not only reduce
>> complexity but also take care of this problem.
>> If it's not needed, it's a waste. What do you think ?
>
> It's needed -- the data transferred from the IMAP server to the client
> is impractically large if one were to do a complete resync each time.
> The client keeps tracks of read/marked/etc messages, too, and just sends
> a QRESYNC command to the server, which means "tell me everything that's
> changed since last time".  This is vastly more efficient.

Yaar, that was a pretty out-there suggestion. And, as you've pointed out,
actually a bad idea.