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From: prj@po.cwru.edu (Paul Jarc)
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Subject: Re: What does `gathering loose threads' mean?
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Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai =?iso-8859-1?q?Gro=DFjohann?=) writes:
> I want two articles with the same subject to be sorted together, even
> if neither of them contains a References header.

Then you want gnus-summary-thread-gathering-function to be
gnus-gather-threads-by-subject, which I think is the default.

> Is it sufficient to set gnus-summary-thread-gathering-function to
> gnus-gather-threads-by-subject to achieve this, or is it also
> necessary to set gnus-summary-make-false-root?

Depends what you mean by `sorted together'.  Say you've got two
threads - they have the same subject, but they have no visible common
root.  If you want them to be totally independent (which you don't),
let gnus-summary-make-false-root be nil.  If you want them to be
separate threads, but adjacent in the summary buffer, let it be
`none'.  If you want them to be collected into a single thread, with
one <adopted by> (instead of being a [child of]) the other, let it be
`adopt'.  And so on.


paul