This makes the button cleaner, so that it doesn't include the entire
rest of the line that the button is on.
---
 emacs/notmuch-show.el |   29 +++++++++++++++++------------
 1 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index 6c498ab..a25ad99 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -280,18 +280,23 @@ message at DEPTH in the current thread."
   'face 'message-mml)

 (defun notmuch-show-insert-part-header (nth content-type declared-type 
&optional name comment)
-  (insert-button
-   (concat "[ "
-          (if name (concat name ": ") "")
-          declared-type
-          (if (not (string-equal declared-type content-type))
-              (concat " (as " content-type ")")
-            "")
-          (or comment "")
-          " ]\n")
-   :type 'notmuch-show-part-button-type
-   :notmuch-part nth
-   :notmuch-filename name))
+  (let ((button))
+    (setq button
+         (insert-button
+          (concat "[ "
+                  (if name (concat name ": ") "")
+                  declared-type
+                  (if (not (string-equal declared-type content-type))
+                      (concat " (as " content-type ")")
+                    "")
+                  (or comment "")
+                  " ]")
+          :type 'notmuch-show-part-button-type
+          :notmuch-part nth
+          :notmuch-filename name))
+    (insert "\n")
+    ;; return button
+    button))

 ;; Functions handling particular MIME parts.

-- 
1.7.4.4

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