[PATCH v2.1 2/2] emacs: Correctly quote non-text/plain parts in reply

Adam Wolfe Gordon awg+notmuch at xvx.ca
Sat May 5 12:30:37 PDT 2012


Quote non-text parts nicely by displaying them with mm-display-part
before calling message-cite-original to quote them. HTML-only emails
can now be quoted correctly. We re-use some code from notmuch-show
(notmuch-show-mm-display-part-inline), which has been moved to
notmuch-lib.el.

Mark the test for this feature as not broken.
---
I had removed the narrowing from this patch to check whether it was
actually necessary (it is), and forgot to put it back in. Here is 
a corrected patch.

 emacs/notmuch-lib.el  |   19 +++++++++++++++++++
 emacs/notmuch-mua.el  |   15 ++++++++++-----
 emacs/notmuch-show.el |   19 +------------------
 test/emacs            |    1 -
 4 files changed, 30 insertions(+), 24 deletions(-)

diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index 6907a5f..7fa441a 100644
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -21,6 +21,8 @@
 
 ;; This is an part of an emacs-based interface to the notmuch mail system.
 
+(require 'mm-view)
+(require 'mm-decode)
 (eval-when-compile (require 'cl))
 
 (defvar notmuch-command "notmuch"
@@ -237,6 +239,23 @@ the given type."
   (or (plist-get part :content)
       (notmuch-get-bodypart-internal (notmuch-id-to-query (plist-get msg :id)) nth process-crypto)))
 
+(defun notmuch-mm-display-part-inline (msg part nth content-type process-crypto)
+  "Use the mm-decode/mm-view functions to display a part in the
+current buffer, if possible."
+  (let ((display-buffer (current-buffer)))
+    (with-temp-buffer
+      (let* ((charset (plist-get part :content-charset))
+	     (handle (mm-make-handle (current-buffer) `(,content-type (charset . ,charset)))))
+	;; If the user wants the part inlined, insert the content and
+	;; test whether we are able to inline it (which includes both
+	;; capability and suitability tests).
+	(when (mm-inlined-p handle)
+	  (insert (notmuch-get-bodypart-content msg part nth process-crypto))
+	  (when (mm-inlinable-p handle)
+	    (set-buffer display-buffer)
+	    (mm-display-part handle)
+	    t))))))
+
 ;; Converts a plist of headers to an alist of headers. The input plist should
 ;; have symbols of the form :Header as keys, and the resulting alist will have
 ;; symbols of the form 'Header as keys.
diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
index 87bd88d..fc7ae07 100644
--- a/emacs/notmuch-mua.el
+++ b/emacs/notmuch-mua.el
@@ -21,6 +21,7 @@
 
 (require 'json)
 (require 'message)
+(require 'mm-view)
 (require 'format-spec)
 
 (require 'notmuch-lib)
@@ -90,6 +91,14 @@ list."
 	else if (notmuch-match-content-type (plist-get part :content-type) "text/*")
 	  collect part))
 
+(defun notmuch-mua-insert-quotable-part (message part)
+  (save-restriction
+    (narrow-to-region (point) (point))
+    (notmuch-mm-display-part-inline message part (plist-get part :id)
+				    (plist-get part :content-type)
+				    notmuch-show-process-crypto)
+    (goto-char (point-max))))
+
 ;; There is a bug in emacs 23's message.el that results in a newline
 ;; not being inserted after the References header, so the next header
 ;; is concatenated to the end of it. This function fixes the problem,
@@ -169,11 +178,7 @@ list."
 	;; Get the parts of the original message that should be quoted; this includes
 	;; all the text parts, except the non-preferred ones in a multipart/alternative.
 	(let ((quotable-parts (notmuch-mua-get-quotable-parts (plist-get original :body))))
-	  (mapc (lambda (part)
-		  (insert (notmuch-get-bodypart-content original part
-							(plist-get part :id)
-							notmuch-show-process-crypto)))
-		quotable-parts))
+	  (mapc (apply-partially 'notmuch-mua-insert-quotable-part original) quotable-parts))
 
 	(set-mark (point))
 	(goto-char start)
diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index 37f0ebb..d318430 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -524,23 +524,6 @@ message at DEPTH in the current thread."
     (let ((handle (mm-make-handle (current-buffer) (list content-type))))
       (mm-interactively-view-part handle))))
 
-(defun notmuch-show-mm-display-part-inline (msg part nth content-type)
-  "Use the mm-decode/mm-view functions to display a part in the
-current buffer, if possible."
-  (let ((display-buffer (current-buffer)))
-    (with-temp-buffer
-      (let* ((charset (plist-get part :content-charset))
-	     (handle (mm-make-handle (current-buffer) `(,content-type (charset . ,charset)))))
-	;; If the user wants the part inlined, insert the content and
-	;; test whether we are able to inline it (which includes both
-	;; capability and suitability tests).
-	(when (mm-inlined-p handle)
-	  (insert (notmuch-get-bodypart-content msg part nth notmuch-show-process-crypto))
-	  (when (mm-inlinable-p handle)
-	    (set-buffer display-buffer)
-	    (mm-display-part handle)
-	    t))))))
-
 (defun notmuch-show-multipart/*-to-list (part)
   (mapcar (lambda (inner-part) (plist-get inner-part :content-type))
 	  (plist-get part :content)))
@@ -785,7 +768,7 @@ current buffer, if possible."
 (defun notmuch-show-insert-part-*/* (msg part content-type nth depth declared-type)
   ;; This handler _must_ succeed - it is the handler of last resort.
   (notmuch-show-insert-part-header nth content-type declared-type (plist-get part :filename))
-  (notmuch-show-mm-display-part-inline msg part nth content-type)
+  (notmuch-mm-display-part-inline msg part nth content-type notmuch-show-process-crypto)
   t)
 
 ;; Functions for determining how to handle MIME parts.
diff --git a/test/emacs b/test/emacs
index 5f238d9..a615b39 100755
--- a/test/emacs
+++ b/test/emacs
@@ -445,7 +445,6 @@ EOF
 test_expect_equal_file OUTPUT EXPECTED
 
 test_begin_subtest "Reply within emacs to an html-only message"
-test_subtest_known_broken
 add_message '[content-type]="text/html"' \
 	    '[body]="Hi,<br />This is an <b>HTML</b> test message.<br /><br />OK?"'
 test_emacs "(let ((message-hidden-headers '()))
-- 
1.7.5.4



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