RETURN-ACTION, introduced to `compose-mail' in Emacs 24.
Cf. http://permalink.gmane.org/gmane.emacs.diffs/108339
+2011-01-29  David Maus  <dmaus@ictsoc.de>
+
+       * wl-draft.el (wl-user-agent-compose): Add optional argument
+       RETURN-ACTION, introduced to `compose-mail' in Emacs 24.
+
 2011-01-09  David Maus  <dmaus@ictsoc.de>
 
        * wl-template.el (wl-template-select): Reset draft config exec
 
 ;;;###autoload
 (defun wl-user-agent-compose (&optional to subject other-headers continue
                                        switch-function yank-action
-                                       send-actions)
+                                       send-actions return-action)
   "Support the `compose-mail' interface for wl.
 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
-Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
+Support for CONTINUE, YANK-ACTION, SEND-ACTIONS and RETURN-ACTION has not
 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
 
   (unless (featurep 'wl)