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  37 From: Austin Clements <amdragon@MIT.EDU>\r
  38 To: notmuch@notmuchmail.org\r
  39 Subject: [PATCH] emacs: Don't record undo information for search or show\r
  40         buffers.\r
  41 Date: Sun, 20 Nov 2011 20:00:55 -0500\r
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  70 \r
  71 There's no reason to record undo information for read-only,\r
  72 programmatically-constructed buffers.  The undo list just chews up\r
  73 memory keeping track of our calls to insert.\r
  74 ---\r
  75  emacs/notmuch-show.el |    2 ++\r
  76  emacs/notmuch.el      |    2 ++\r
  77  2 files changed, 4 insertions(+), 0 deletions(-)\r
  78 \r
  79 diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el\r
  80 index d5c95d8..7689867 100644\r
  81 --- a/emacs/notmuch-show.el\r
  82 +++ b/emacs/notmuch-show.el\r
  83 @@ -843,6 +843,8 @@ buffer."\r
  84          (inhibit-read-only t))\r
  85      (switch-to-buffer buffer)\r
  86      (notmuch-show-mode)\r
  87 +    ;; Don't track undo information for this buffer\r
  88 +    (set 'buffer-undo-list t)\r
  89  \r
  90      (setq notmuch-show-thread-id thread-id)\r
  91      (setq notmuch-show-parent-buffer parent-buffer)\r
  92 diff --git a/emacs/notmuch.el b/emacs/notmuch.el\r
  93 index c1827cc..a8e4d62 100644\r
  94 --- a/emacs/notmuch.el\r
  95 +++ b/emacs/notmuch.el\r
  96 @@ -920,6 +920,8 @@ The optional parameters are used as follows:\r
  97    (let ((buffer (get-buffer-create (notmuch-search-buffer-title query))))\r
  98      (switch-to-buffer buffer)\r
  99      (notmuch-search-mode)\r
 100 +    ;; Don't track undo information for this buffer\r
 101 +    (set 'buffer-undo-list t)\r
 102      (set 'notmuch-search-query-string query)\r
 103      (set 'notmuch-search-oldest-first oldest-first)\r
 104      (set 'notmuch-search-target-thread target-thread)\r
 105 -- \r
 106 1.7.7.2\r
 107 \r