Re: [PATCH] emacs: Don't record undo information for search or show buffers.

diff --git a/7c/1220735681745b63b391b9c9991310771b629b b/7c/1220735681745b63b391b9c9991310771b629b
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+From: Dmitry Kurochkin <dmitry.kurochkin@gmail.com>\r
+To: Austin Clements <amdragon@MIT.EDU>, notmuch@notmuchmail.org\r
+Subject: Re: [PATCH] emacs: Don't record undo information for search or show\r
+       buffers.\r
+In-Reply-To: <1321837255-8669-1-git-send-email-amdragon@mit.edu>\r
+References: <1321837255-8669-1-git-send-email-amdragon@mit.edu>\r
+User-Agent: Notmuch/0.10~rc1+20~gec94ced (http://notmuchmail.org) Emacs/23.3.1\r
+       (x86_64-pc-linux-gnu)\r
+Date: Mon, 21 Nov 2011 05:07:15 +0400\r
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+\r
+On Sun, 20 Nov 2011 20:00:55 -0500, Austin Clements <amdragon@MIT.EDU> wrote:\r
+> There's no reason to record undo information for read-only,\r
+> programmatically-constructed buffers.  The undo list just chews up\r
+> memory keeping track of our calls to insert.\r
+\r
+Makes sense and looks good!\r
+\r
+Regards,\r
+  Dmitry\r
+\r
+> ---\r
+>  emacs/notmuch-show.el |    2 ++\r
+>  emacs/notmuch.el      |    2 ++\r
+>  2 files changed, 4 insertions(+), 0 deletions(-)\r
+> \r
+> diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el\r
+> index d5c95d8..7689867 100644\r
+> --- a/emacs/notmuch-show.el\r
+> +++ b/emacs/notmuch-show.el\r
+> @@ -843,6 +843,8 @@ buffer."\r
+>       (inhibit-read-only t))\r
+>      (switch-to-buffer buffer)\r
+>      (notmuch-show-mode)\r
+> +    ;; Don't track undo information for this buffer\r
+> +    (set 'buffer-undo-list t)\r
+>  \r
+>      (setq notmuch-show-thread-id thread-id)\r
+>      (setq notmuch-show-parent-buffer parent-buffer)\r
+> diff --git a/emacs/notmuch.el b/emacs/notmuch.el\r
+> index c1827cc..a8e4d62 100644\r
+> --- a/emacs/notmuch.el\r
+> +++ b/emacs/notmuch.el\r
+> @@ -920,6 +920,8 @@ The optional parameters are used as follows:\r
+>    (let ((buffer (get-buffer-create (notmuch-search-buffer-title query))))\r
+>      (switch-to-buffer buffer)\r
+>      (notmuch-search-mode)\r
+> +    ;; Don't track undo information for this buffer\r
+> +    (set 'buffer-undo-list t)\r
+>      (set 'notmuch-search-query-string query)\r
+>      (set 'notmuch-search-oldest-first oldest-first)\r
+>      (set 'notmuch-search-target-thread target-thread)\r
+> -- \r
+> 1.7.7.2\r
+> \r
+> _______________________________________________\r
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