Emacs 上達の道は turorial の次に help の使い方を覚えることだ YO! C-h k describe-key C-h f descirbe-function C-h v describe-variable C-h b describe-binding C-h i info とりあえずはこのくらいかな.
$ for i in 1 2 3 4 5 6 7 8 9 0; do >time xemacs -nw -q -f kill-emacs >done
real 0m20.880s user 0m0.000s sys 0m0.000s real 0m19.110s user 0m0.000s sys 0m0.000s real 0m20.160s user 0m0.000s sys 0m0.000s real 0m19.770s user 0m0.000s sys 0m0.000s real 0m18.950s user 0m0.000s sys 0m0.000s real 0m23.070s user 0m0.000s sys 0m0.000s real 0m22.850s user 0m0.000s sys 0m0.000s real 0m18.560s user 0m0.000s sys 0m0.000s real 0m18.730s user 0m0.000s sys 0m0.000s real 0m19.010s user 0m0.000s sys 0m0.000s
(defcustom emacs-wiki-extended-link-regexp "\\[\\[\\([^] \t\n]+\\)\\]\\(\\[\\([^]\n]+\\)\\]\\)?\\]" "Regexp used to match [[extended][links]]." :type 'regexp :group 'emacs-wiki)