edit-menu:find-again-on-demand

The menu item's on-demand method calls this method

• (send a-frame:standard-menus edit-menu:find-again-on-demand item) -> void
      item : menu-item%

  Defaultly is this:

    (lambda (item) (send item enable (let ((target (get-edit-target-object))) (and target (is-a? target editor<%>)))))