Comment 161 for bug 52667

(In reply to comment #114)
> -- looking at thunderbird-2.0.0.14 I don't see any Reply to List method
> in any menu, button or whenever else.

That is the bug, or requested enhancement if you wish. I'm currently using this:
http://www.juergen-ernst.de/addons/replytolist.html

I can't remember which parts if the mail header it parses, but it seems to works fine at least as far as I've seen. Haven't tried the above-mentioned back-end patch. I'd rather test a complete build (a bit difficult with betas since I normally use portable apps) if possible.