X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=emacs%2Fnotmuch-show.el;h=7be88f828b97ad927ab20d4763914dd03b8ed645;hp=a7f326311a91bb840f5d7c2111503dc0e189fd5d;hb=3a3f6f0ab517109a60c0c1f8c08ae9b003c52a10;hpb=23a54c4289e8e0b4d8be7b2850c8ebb2789c95a8

diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index a7f32631..7be88f82 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)