There's no reason to record undo information for read-only, programmatically-constructed buffers. The undo list just chews up memory keeping track of our calls to insert. --- emacs/notmuch-show.el | 2 ++ emacs/notmuch.el | 2 ++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el index d5c95d8..7689867 100644 --- a/emacs/notmuch-show.el +++ b/emacs/notmuch-show.el @@ -843,6 +843,8 @@ buffer." (inhibit-read-only t)) (switch-to-buffer buffer) (notmuch-show-mode) + ;; Don't track undo information for this buffer + (set 'buffer-undo-list t) (setq notmuch-show-thread-id thread-id) (setq notmuch-show-parent-buffer parent-buffer) diff --git a/emacs/notmuch.el b/emacs/notmuch.el index c1827cc..a8e4d62 100644 --- a/emacs/notmuch.el +++ b/emacs/notmuch.el @@ -920,6 +920,8 @@ The optional parameters are used as follows: (let ((buffer (get-buffer-create (notmuch-search-buffer-title query)))) (switch-to-buffer buffer) (notmuch-search-mode) + ;; Don't track undo information for this buffer + (set 'buffer-undo-list t) (set 'notmuch-search-query-string query) (set 'notmuch-search-oldest-first oldest-first) (set 'notmuch-search-target-thread target-thread) -- 1.7.7.2