FreeWnnはこっち.
;; 参考 /usr/local/share/emacs/21.2/site-lisp/egg/its/hira.el (setq its-hira-period ".") (setq its-hira-comma ",")
Wnn6は多分こっち.
(setq use-kuten-for-period nil) (setq use-touten-for-comma nil)
おまけ
(setq enable-double-n-syntax t)