;; Set up mail-header-separator for use as a category text property.
(put 'mail-header-separator 'rear-nonsticky '(category))
-(put 'mail-header-separator 'read-only t)
+;;; This was a nice idea, for preventing accidental modification of
+;;; the separator. But I found it also prevented or obstructed
+;;; certain deliberate operations, such as copying the separator line
+;;; up to the top to send myself a copy of an already sent outgoing message
+;;; and other things. So I turned it off. --rms.
+;;;(put 'mail-header-separator 'read-only t)
;;;###autoload
(defvar mail-archive-file-name nil "\