lisp-completion-at-point
lisp-completion-at-point is an alias for `elisp-completion-at-point' in `elisp-mode.el
'.
(lisp-completion-at-point)
This function is obsolete since 25.1;
use `elisp-completion-at-point' instead.
Function used for `completion-at-point-functions' in `emacs-lisp-mode'.