additional elements on the mode line (e.g., a clock), you should modify
this variable:
-@c Hook written by Francesco Potorti` <pot@cnuce.cnr.it>
+@c Hook written by Francesco Potortì <pot@cnuce.cnr.it>
@lisp
(add-hook 'display-time-hook
(lambda () (setq gnus-mode-non-string-length