code: def new(self, **kwargs):
          '''Return a new ``Message`` instance. The arguments are 
          passed to the ``marrow.mailer.Message`` constructor.'''
          app = self.app or current_app
          mailer = app.extensions['marrowmailer']
          msg = mailer.new(**kwargs)
          msg.__class__ = Message
          return msf new(self, **kwargs):
          '''Return a new ``Message`` instance. The arguments are 
          passed to the ``marrow.mailer.Message`` constructor.'''
          app = self.app or current_app
          mailer = app.extensions['marrowmailer']
          msg = mailer.new(**kwargs)
          msg.__class__ = Message
          return msg
docs: Return a new ``Message`` instance. The arguments are 
          passed to the ``marrow.mailer.Message`` constructor.