(const :format "Dark\n"
:sibling-args (:help-echo "\
Match frames with dark backgrounds.")
- dark)))))))
+ dark)))
+ (group :sibling-args (:help-echo "\
+Only match frames that support the specified face attributes.")
+ (const :format "Supports attributes:" supports)
+ (custom-face-edit :inline t :format "%n%v"))))))
;;; The `custom-face' Widget.