Subject: Re: 29.0.50; Moving between nnselect groups sometimes fails to save marks
From: Sean Whitton <[email-masked]>
To: [email-masked]
Cc: [email-masked]
Date: Sat, 18 Feb 2023 13:22:41 -0700
List-Id: <debbugs-submit.debbugs.gnu.org>

Hello,

On Fri 15 Jul 2022 at 11:43PM -07, Sean Whitton wrote:

> You need a notmuch setup to reproduce this, though maybe other
> gnus-search backends would show it too.  Create two nnselect groups
> where the query for the second includes some of the messages in the
> first group.  This is what I am using:
>
>     first group, nnselect:Weekday, has query
>       "to:[email-masked] or to:[email-masked]"
>
>     second group, nnselect:Weekend, has query
>       "to:[email-masked]".
>
> So, messages addressed to [email-masked] appear in both.
> Ensure there are unread messages addressed to [email-masked].
> Enter the first group, mark one of those messages addressed to
> [email-masked] as read.  Go to the last message, use 'n n' to
> move to the next unread group.
>
> The message that was marked as read reappears, unread, in the second
> group.  If you quit to the group buffer and reenter the first group,
> it's unread again there.

I have been discussing this with Andrew Cohen and believe, at least for
now, that it's not a bug: the user is required to set the
nnselect-regenerate group parameter non-nil in this sort of case.

-- 
Sean Whitton