On Sun, 19 Dec 2010 22:27:05 -0500, Scott Henson <scott@foolishpride.org> wrote:
> I've been having problems with really long threads for a while when
> using notmuch.  When I click on them in emacs to display the content,
> I get "Lisp nesting exceeds `max-lisp-eval-depth'"

Hi Scott, have you tried just bumping up the value of
max-lisp-eval-depth from its default value?  I'm not sure that gets at
the root of the problem but it should at least make the threads
viewable.

Try adding to your .emacs, something like:
   (setq max-lisp-eval-depth 1000)