On Wed, 6 Jul 2011, William Scott wrote:
> If a new subject does not carry over the "In-Reply-To:" header from
> the original post then all should be fine.
Your message also had a "References:" header
In-Reply-To: <[log in to unmask]>
References: <[log in to unmask]> <[log in to unmask]>
which appears to provide information that threaders might use.
I'd recommend removing those headers too.
http://www.jwz.org/doc/threading.html describes one threading algorithm
--
Dr. Andrew C. Aitchison Computer Officer, DPMMS, Cambridge
[log in to unmask]http://www.dpmms.cam.ac.uk/~werdna