Re: threading based on `in-reply-to' headers

[NAGY Andras <nagya@valerie.inf.elte.hu>]

Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai Großjohann) writes:

> > it seems to me that pgnus (0.97 and before) uses the in-reply-to
> > header to do threading and stuff, if there's no references header
> > available.  This works nice in nnfolder and nnsoup (and possibly
> > other) groups, but not in nntp ones, [...]
> 
> This is because Gnus only uses the info from the overview when
> generating the summary buffer, and the In-Reply-To header is not in
> the overview info, only the References header is.

Modern nntp servers have a command `list overview.fmt', which displays
the fields in the overview database.  If the server owner adds the
in-reply-to header to the overview database, would gnus make use of it
automatically?

There's another command, `xhdr header [range|MessageID]', which lists
the given header of articles in the given range.  How do I make Gnus
to fetch the in-reply-to headers using this command, and use them for
threading? 


Andras