Paul Stear <gentoo@...> posted
200610051038.23730.gentoo@..., excerpted below, on  Thu, 05
Oct 2006 10:38:23 +0100:

> On Wednesday 04 October 2006 17:25, Vladimir G. Ivanovic wrote:
>> On Wed, 2006-10-04 at 11:49 +0300, Daniel Iliev wrote:
>> > It is not polite when someone asks a new question on a thread with
>> > different subject. It is called hijacking and happens when "reply" is
>> > used instead of "new message".
>>
>> Agreed, but my mail reader (Evolution) shows his subject to be "How to
>> play flac files?" which is a new subject. My mail reader shows Patric's
>> original email to be a sub-thread of a previous email with a different
>> subject, but I would say that this is a bug in Evolution, not that
>> hijacking has occurred.
>>
> This must be a bug in evolution because I am the user who it appears had
> his subject changed.  My mail was a new mail (not reply to) with a totally
> different subject..

Your "musicbrainz" post was fine, as the start of a new thread (no
references header, posted using kmail).  It was Patric Douhane's "flac"
post (using MSOE) that was the "hijack" of your thread, new, totally
unrelated topic (flac) and subject header, but posted as a /reply/ to your
(musicbrainz) thread instead of a new post, thus with a references header
likewise indicating that it should be threaded under your post.

According to the above, Evolution is displaying it exactly as it should
(thus it's /not/ a bug), threading the flac subject under the musicbrainz
thread because it cites the musicbrainz posts as up-thread references. 
For all Evolution knows, it was thread drift, and someone simply decided
to retitle the subthread to indicate the drift, not a new thread, because
that's what the references headers indicate, regardless of what the
subject header says.

The clients that are bugged are for example, ones that thread together two
entirely unrelated posts, received years apart from two different people
and without any references headers whatsoever, simply because the subject
line of both is a single word, "test".  I've seen it happen.  Why would
two entirely unrelated posts, no references saying they are related,
posted literally years apart, entirely different authors, even sent to
different receiver addresses on different ISPs (I switched ISPs in the
mean time), end up threaded together simply because the subject is
similar?  It makes no sense!  At least threading together posts where one
is a direct reply to the other according to the references header, makes
sense, even if the human sending the "reply" /should/ have used new-post
instead of reply.

-- 
Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman

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