mu4e: remove mu4e~compose-browse-url-mail

Instead, rely on the common browse-url-mail, which does the right thing
after
  (setq mail-user-agent 'mu4e-user-agent)

mu4e/mu4e-compose.el

@@ -821,26 +821,9 @@ draft message."
 ;; returning the symbol is probably the correct thing to do, as other
 ;; such functions suggest.
 (defun mu4e-user-agent ()
+  "Return the `mu4e-user-agent' symbol."
   'mu4e-user-agent)
 
-(defun mu4e~compose-browse-url-mail (url &optional ignored)
-  "Adapter for `browse-url-mailto-function."
-  (let* ((headers (rfc2368-parse-mailto-url url))
-	  (to (cdr (assoc "To" headers)))
-	  (cc (assoc "Cc" headers))
-	  (subject (cdr (assoc "Subject" headers)))
-	  (body (cdr (assoc "Body" headers))))
-    (mu4e~compose-mail to subject (delq nil `(,cc)))
-    (if body
-      (progn
-	(message-goto-body)
-	(insert body)
-	(if (not to)
-	  (message-goto-to)
-	  (if (not subject)
-	    (message-goto-subject)
-	    (message-goto-body)))))))
-
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (defun mu4e-compose-goto-top ()

mu4e/mu4e-view.el

@@ -833,7 +833,8 @@ changes, it triggers a refresh."
     (let ((flags (mu4e-message-field msg :flags))
 	   (msgid (mu4e-message-field msg :message-id))
 	   (docid (mu4e-message-field msg :docid)))
-      ;; attached (embedded) messages don't have docids; leave them alone if it is a new message
+      ;; attached (embedded) messages don't have docids; leave them alone if it
+      ;; is a new message
       (when (and docid (or (member 'unread flags) (member 'new flags)))
 	;; mark /all/ messages with this message-id as read, so all copies of
 	;; this message will be marked as read.
@@ -842,14 +843,14 @@ changes, it triggers a refresh."
 
 (defun mu4e~view-browse-url-func (url)
   "Return a function that executes `browse-url' with URL.
-What browser is called is depending on
+The browser that is called depends on
 `browse-url-browser-function' and `browse-url-mailto-function'."
   (save-match-data
     (if (string-match "^mailto:" url)
       (lexical-let ((url url))
 	(lambda ()
 	  (interactive)
-	  (mu4e~compose-browse-url-mail url)))
+	  (browse-url-mail url)))
       (lexical-let ((url url))
 	(lambda ()
 	  (interactive)
@@ -863,7 +864,7 @@ If the url is mailto link, start writing an email to that address."
   (let* (( url (or url (mu4e~view-get-property-from-event 'mu4e-url))))
     (when url
       (if (string-match-p "^mailto:" url)
-	  (mu4e~compose-browse-url-mail url)
+	  (browse-url-mail url)
 	(browse-url url)))))
 
 (defun mu4e~view-show-images-maybe (msg)
@@ -1453,7 +1454,8 @@ string."
 a single one, otherwise, offer to go to a range of urls."
   (interactive "P")
   (mu4e~view-handle-urls "URL to visit"
-    multi (lambda (url) (mu4e~view-browse-url-from-binding url))))
+    multi
+    (lambda (url) (mu4e~view-browse-url-from-binding url))))
 
 (defun mu4e-view-save-url (&optional multi)
   "Offer to save urls(s) to the kill-ring. If

mu4e/mu4e.texi

@@ -3369,6 +3369,9 @@ see, most of it is commented-out.
 ;; make sure mu4e is in your load-path
 (require 'mu4e)
 
+;; use mu4e for e-mail in emacs
+(setq mail-user-agent 'mu4e-user-agent)
+
 ;; Only needed if your maildir is _not_ ~/Maildir
 ;; Must be a real dir, not a symlink
 ;;(setq mu4e-maildir "/home/user/Maildir")
@@ -3403,6 +3406,9 @@ customize.
 ;; example configuration for mu4e
 (require 'mu4e)
 
+;; use mu4e for e-mail in emacs
+(setq mail-user-agent 'mu4e-user-agent)
+
 ;; path to our Maildir directory
 (setq mu4e-maildir "/home/user/Maildir")
 
@@ -3423,7 +3429,6 @@ customize.
 ;; a  list of user's e-mail addresses
 (setq mu4e-user-mail-address-list '("foo@@bar.example.com" "cuux@@example.com")
 
-
 ;; the headers to show in the headers list -- a pair of a field
 ;; and its width, with `nil' meaning 'unlimited'
 ;; (better only use that for the last field.
@@ -3571,6 +3576,9 @@ Next step: let's make a @t{mu4e} configuration for this:
 @lisp
 (require 'mu4e)
 
+;; use mu4e for e-mail in emacs
+(setq mail-user-agent 'mu4e-user-agent)
+
 ;; default
 ;; (setq mu4e-maildir "~/Maildir")