   "Open a helm menu to select the wiki page and invokes the CALLBACK function."
   (helm :sources `((
                       (name . "Wiki Pages")
-                      (candidates . ,(org-wiki--unique (org-wiki--page-list)))
+                      (candidates . ,(delete-dups (org-wiki--page-list)))
                       (action . ,callback)
                       ))))
 

    (helm :sources `((
                      (name . "Wiki Pages")

                      (candidates . ,(org-wiki--unique (org-wiki--page-list)))

                      (action . org-wiki--open-page)
                      ))))

  "Concat directory path (BASE) and a relative path (RELPATH)."
  (concat (file-name-as-directory base) relpath))



(defun org-wiki--get-buffers ()
  "Return all org-wiki page buffers (.org) files in `org-wiki-location`."
