To use this port:

  % mkdir ~/howm
  % cp ${PREFIX}/share/examples/howm/en/* ~/howm/

And write below to your ~/.emacs:

  ;(setq howm-menu-lang 'ja)
  (global-set-key "\C-c,," 'howm-menu)
  (autoload 'howm-menu "howm-mode" "Hitori Otegaru Wiki Modoki" t)