On Sun, 13 Nov 2011 13:16:48 -0800, Jameson Graef Rollins <jrollins@finestructure.net> wrote:
> This patch breaks out much of the functionality of
> notmuch-show-advance-and-archive into a new function:
> notmuch-show-advance.  This new function does all the advancing
> through a show buffer that notmuch-show-advance-and-archive did,
> without all the invasive thread archiving.  The return value of
> notmuch-show-advance is nil if the bottom of the thread is not
> reached, and t if it is.

Pushed to master 

d