bug#56332: 29.0.50; Large gnus imap groups; articles incorrectly marked as read (old)

[Michael Welsh Duggan <mwd@md5i.com>]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> Michael Welsh Duggan <md5i@md5i.com> writes:
>
>> I have a large, sparse imap folder with read and unread articles.  In
>> recent versions of Emacs, when I visit this group, a set of articles in
>> the middle (when sorted by number) are marked as read with the
>> `O' mark.
>
> And they should be unread?
>
>> I've attached the FETCH command used by last "good" version and the ones
>> issued by a build with the offending commit.  In the "bad" version, the
>> articles from 60795 until 63651 are marked as read with an `O'.
>
> Hm.  Those are pretty much in the middle...  If nnimap fails to parse
> the headers, I'd expect everything after the failure to be missing in
> the Summary buffer, not be marked as read.
>
> Do you use the Gnus cache or the Gnus Agent?

I do not.

-- 
Michael Welsh Duggan
(md5i@md5i.com)