** opengrok-restful.el
   
   #+begin_src elisp
    (global-set-key (kbd "M-d") 'opengrok-restful-lookup-def)
    (global-set-key (kbd "M-f") 'opengrok-restful-lookup-full)
    (global-set-key (kbd "M-s") 'opengrok-restful-lookup-symbol)
    (global-set-key (kbd "M-p") 'opengrok-restful-lookup-path)
   #+end_src

   [[./opengrok-restful.gif]]

   [[./opengrok-restful.png]]