> From: lee <firstname.lastname@example.org>
> Date: Mon, 20 Jun 2011 00:54:27 +0200
>> You donA't seem to have any "References:" headers, ...
> Should the References trace back to the beginning of the thread?
Just look at them, they go back to beginnings of subthreads at
least. With only the In-Reply-To: header, threads would be broken for
everyone whoīs missing a single message of the thread. With the
references, the thread can be displayed even when not all messages are
> In principle, the list processor could copy the References from the
> referenced message and append the id of that message. I don't know
> how it actually works.
It doesnīt work that way. Howīs the MLM software supposed to know if you
refer to articles and to which ones, unless you tell it?
>> The message IA'm replying to is correctly displayed as the top of a new
> Yes, I intended to start a new thread on "message threading". Hence
> the subject "message threading; was Re (3): QCAD Pro in Squeeze".
Thatīs why Iīm asking. I think itīs more common to use a new subject
when starting a new thread, and itīs more common to change the subject
like you did within a thread without starting a new one. You changed the
subject as if continuing the thread and made it a new one by omitting
the references, and since the thread is about broken threading, it was
unclear whether your intention was to start a new thread or to continue
the thread with an adjusted subject.
If your MUA doesnīt add the right headers automatically, itīs time to
switch to a better one
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