Philipp Stephani <p.stephani2@gmail.com> schrieb am Mi., 23. Nov. 2016 um
11:11 Uhr:

>
> Create a small Elisp file such as (a.el):
>
> ;;; a.el --- aaa -*- lexical-binding: t; -*-
>
> ;;; Commentary:
>
> ;;; Code:
>
> (defun a--bar () 123)
>
> ;;; a.el ends here
>
> Run M-x checkdoc.  It will complain about the missing docstring for
> `a--bar'.
>
> Now remove the space before () and run checkdoc again.  It won't
> complain any more.
>

Attached a patch.