[buug] mail threading

[Nick Moffitt]

Ian Zimmerman:
> [...] I'd pointed you to the specific subsection about the In-Reply-To
> header.  

For those still interested in the mechanics of message threading in
e-mail, you may find Jamie Zawinsky's essay on the topic informative:

	http://www.jwz.org/doc/threading.html 

I'm told that it's showing signs of its age, but it's still the most
straightforward explanation of the topic that I can find.  Some folks
refer to this method as "the jwz threading algorithm".

An interesting point of note is that threading in mail is a back-port of
netnews threading, which has a slightly older history (despite e-mail
technically being older, it did not adopt threading in common practice
until relatively recently).

-- 
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