GitLab

* lisp/emacs-lisp/lisp-mode.el (lisp-imenu-generic-expression): Don't
show defvars which have no second argument.

* lisp/imenu.el (imenu-generic-expression): Move documentation here
from imenu--generic-function.
(imenu--generic-function): Refer to imenu-generic-expression.

Fixes: debbugs:8638