checkdoc-comments
checkdoc-comments is an interactive autoloaded compiled Lisp function in `checkdoc.el
'.
(checkdoc-comments &optional TAKE-NOTES)
Find missing comment sections in the current Emacs Lisp file.
Prefix argument TAKE-NOTES non-nil means to save warnings in a
separate buffer. Otherwise print a message. This returns the error
if there is one.