threading?

[kippesp]

I'm not certain if we're speaking the same language.  If we're 
wanting to follow a thread for cataloging, do you want posts to be 
grouped into a threaded view?

I've uploaded an example screen shot of what popular Unix email 
program does with the posts I've downloaded.  It is very large, but 
it captures what I see as the various possibilities.  I'm not 
certain how complex something like this will be, but I find it 
handy.  I think it uses information in the email header--I can't see 
how else it can determine a reply is a reply to an initial post.

If only Yahoo would do this by default.....