:group 'ediff-diff)
(defcustom ediff-cmp-options nil
- "*Options to pass to `ediff-cmp-program'. If GNU diff is used as
-`ediff-cmp-program', then the most useful options are `-I' RE, to
-ignore changes whose lines all match RE."
+ "*Options to pass to `ediff-cmp-program'.
+If GNU diff is used as `ediff-cmp-program', then the most useful options
+are `-I RE', to ignore changes whose lines all match the regexp RE."
:type '(repeat string)
:group 'ediff-diff)