Andrew ashridah Pilley said:
> On Tue, 2006-02-28 at 14:48 +0000, Mike Holden wrote:
>> Is it possible to change the subject format slightly so that the
>> messages will thread correctly in the mailbox? At the moment, the
>> action taken and by whom (e.g. "comment added by bacon_boy") is
>> incluided within the subject, completely mangling any threadability
>> for most mail programs.
>
> Uh, threadability is based on the In-Reply-To: <*insert Message-ID of
> replied to message here*> header, not the Subject: header.
> (mind you, that could still be broken in flyspray for all I know,) Open
> up the headers to one of these emails, and examine the
> In-Reply-To, Message-ID and References headers (the last one just being
> informational, according to email specs, iirc).

These headers aren't included, hence many mail programs will attempt to
thread the messages based on the subject instead.

-- 
Mike Holden