checkdoc-rogue-spaces is an interactive autoloaded compiled Lisp function in `checkdoc.el'.

(checkdoc-rogue-spaces &optional TAKE-NOTES INTERACT)

Find extra spaces at the end of lines in the current 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.
Optional argument INTERACT permits more interactive fixing.