document

Author: teunbrand

R/scale-discrete-.R

@@ -16,6 +16,11 @@
 #'   argument (the number of levels in the scale) returns the numerical values
 #'   that they should take.
 #' @param sec.axis [dup_axis()] is used to specify a secondary axis.
+#' @param continuous.limits One of:
+#'   * `NULL` to use the default scale range
+#'   * A numeric vector of length two providing a display range for the scale.
+#'   * A function that accepts the existing discrete limits and returns a
+#'     numeric vector of length two.
 #' @rdname scale_discrete
 #' @family position scales
 #' @seealso