checkdoc-rogue-space-check-engine is a compiled Lisp function in `checkdoc.el'.

(checkdoc-rogue-space-check-engine &optional START END INTERACT)

Return a message list if there is a line with white space at the end.
If `checkdoc-autofix-flag' permits, delete that whitespace instead.
If optional arguments START and END are non-nil, bound the check to
this region.
Optional argument INTERACT may permit the user to fix problems on the fly.