Variable: imenu-default-goto-function
imenu-default-goto-function is a buffer-local variable defined in
imenu.el.gz.
Documentation
The default function called when selecting an Imenu item.
The function in this variable is called when selecting a normal index-item.
Source Code
;; Defined in /usr/src/emacs/lisp/imenu.el.gz
;;;###autoload
(defvar-local imenu-default-goto-function 'imenu-default-goto-function
"The default function called when selecting an Imenu item.
The function in this variable is called when selecting a normal index-item.")