Re: Gnus number of unread articles change when switching from 22.2 to 23

[Sven Joachim]

On 2008-08-29 08:49 +0200, Klaus Zeitler wrote:

> Hello,
> I'm currently switching often between 22.2 and the CVS version
> (The CVS version is sometimes unbearably slow, but I haven't found enough
> time to investigate this).
> Every time I switch from 22.2 to 23 and use gnus in emacs 23, gnus shows
> lots of unread articles in the group buffer.
> Now if I read them or use catch up, then use gnus in version 22.2 and
> finally use the CVS version again, the articles are shown as unread again.
> Is there an incompatible change between the 2 versions?

Yes, see etc/GNUS-NEWS.

> Where should I start investigate this?

Read the sections about marks in the mentioned file.  You may want to
set nntp-marks-is-evil to t if you keep switching between the to
versions.  Another idea would be to use No Gnus in Emacs 22.

Sven