[PATCH v4 3/7] emacs/mua: Generate improved cited text for replies

[David Edmondson]

On Sat, Nov 07 2015, Mark Walters wrote:
> From: David Edmondson <dme at dme.org>
>
> Use the message display code to generate message text to cite in
> replies.

Looks fine.

> ---
>  emacs/notmuch-mua.el | 38 ++++++++------------------------------
>  1 file changed, 8 insertions(+), 30 deletions(-)
>
> diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
> index fd98ea4..2f7abb0 100644
> --- a/emacs/notmuch-mua.el
> +++ b/emacs/notmuch-mua.el
> @@ -28,7 +28,7 @@
>  
>  (eval-when-compile (require 'cl))
>  
> -(declare-function notmuch-show-insert-bodypart "notmuch-show" (msg part depth &optional hide))
> +(declare-function notmuch-show-insert-body "notmuch-show" (msg body depth))
>  
>  ;;
>  
> @@ -142,31 +142,6 @@ (defun notmuch-mua-reply-crypto (parts)
>  	else if (notmuch-match-content-type (plist-get part :content-type) "multipart/*")
>  	  do (notmuch-mua-reply-crypto (plist-get part :content))))
>  
> -(defun notmuch-mua-get-quotable-parts (parts)
> -  (loop for part in parts
> -	if (notmuch-match-content-type (plist-get part :content-type) "multipart/alternative")
> -	  collect (let* ((subparts (plist-get part :content))
> -			(types (mapcar (lambda (part) (plist-get part :content-type)) subparts))
> -			(chosen-type (car (notmuch-multipart/alternative-choose types))))
> -		   (loop for part in (reverse subparts)
> -			 if (notmuch-match-content-type (plist-get part :content-type) chosen-type)
> -			 return part))
> -	else if (notmuch-match-content-type (plist-get part :content-type) "multipart/*")
> -	  append (notmuch-mua-get-quotable-parts (plist-get part :content))
> -	else if (notmuch-match-content-type (plist-get part :content-type) "text/*")
> -	  collect part))
> -
> -(defun notmuch-mua-insert-quotable-part (message part)
> -  ;; We don't want text properties leaking from the show renderer into
> -  ;; the reply so we use a temp buffer. Also we don't want hooks, such
> -  ;; as notmuch-wash-*, to be run on the quotable part so we set
> -  ;; notmuch-show-insert-text/plain-hook to nil.
> -  (insert (with-temp-buffer
> -	    (let ((notmuch-show-insert-text/plain-hook nil))
> -	      ;; Show the part but do not add buttons.
> -	      (notmuch-show-insert-bodypart message part 0 'no-buttons))
> -	    (buffer-substring-no-properties (point-min) (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,
> @@ -245,10 +220,13 @@ (defun notmuch-mua-reply (query-string &optional sender reply-all)
>  	(insert "From: " from "\n")
>  	(insert "Date: " date "\n\n")
>  
> -	;; 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 (apply-partially 'notmuch-mua-insert-quotable-part original) quotable-parts))
> +	(insert (with-temp-buffer
> +		  ;; Don't attempt to clean up messages, excerpt
> +		  ;; citations, etc. in the original message before
> +		  ;; quoting.
> +		  (let ((notmuch-show-insert-text/plain-hook nil))
> +		    (notmuch-show-insert-body original (plist-get original :body) 0)
> +		    (buffer-substring-no-properties (point-min) (point-max)))))
>  
>  	(set-mark (point))
>  	(goto-char start)
> -- 
> 2.1.4