           ("flag:trashed OR tag:\\\\Trash"    "Deleted"              ?d)
           ("mime:image/*"                     "Messages with images" ?p)))
 
-  ;; headers list appearance
+  ;; Headers list appearance
   (setq mu4e-headers-date-format "%Y-%m-%d %H:%M"
         mu4e-headers-fields '((:date       . 18)  ;; also :human-date
                               (:flags      .  5)

        message-sendmail-extra-arguments '("--read-envelope-from")
        sendmail-program "msmtp")

  ;; Allow for fetch mail and update index using 'U' in the main view
  ;; NOTE: I use own cron/shell task to get/sync email
  (setq mu4e-get-mail-command "true")
  ;; Get mail and update index periodically in the background (unit: seconds)

  ;; exclude the duplicate messages with the same `Message-ID'
  ;(setq mu4e-headers-skip-duplicates t)

  ;; Customize the reply/quote citation format
  (setq message-citation-line-format "On %a, %Y-%b-%d at %R %Z, %f wrote:\n")
  ;; Choose to use the above formatted string
  (setq message-citation-line-function 'message-insert-formatted-citation-line)

  ;; confirm before sending
