On Thu, 22 Dec 2011 21:45:14 +0100, Xavier Maillard <xma@gnu.org> wrote:
> In order to clean up and to trash out as many posts as possible in
> several mailing lists I did not check lately, I am trying to find a way
> to limit the current display to messages matching this requirements:
> 
> 1. post older than 1 month
> 2. one-message thread only (a post and no followup/answer).
> 
> Do you think this can be done ? In case you do, then how ? :D

So far I have not thought of a way that avoids writing code to meet the
'one message' requirement. The code could be pretty simple (especially
in elisp), but you'd still have to write it.