On Mon, 22 Nov 2010 23:09:41 +0100, Xavier Maillard <xavier@maillard.im> wrote:
> What does "configure emacs correctly" mean exactly here ?

Something along the lines of:

(setq notmuch-show-insert-text/plain-hook '(notmuch-wash-add-notmuch-links notmuch-wash-excerpt-citations)
      notmuch-show-hook '(notmuch-show-turn-on-visual-line-mode))

dme.
-- 
David Edmondson, http://dme.org