Remove links to plot help file, b/c warnings in R 3.6

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: broman
-Version: 0.72-2
-Date: 2020-12-10
+Version: 0.72-3
+Date: 2021-01-05
 Title: Karl Broman's R Code
 Description: Miscellaneous R functions, including functions related to
     graphics (mostly for base graphics), permutation tests, running

NEWS

@@ -1,7 +1,7 @@
 Revision history for the R/broman package
 -----------------------------------------
 
-Version 0.72-2, 2020-12-10
+Version 0.72-3, 2021-01-05
 
   Changed default max_jiggle in dotplot() to 0.45 (rather than NULL).
   Similarly changed default for maxvalue in jiggle() to 0.45.

R/grayplot.R

@@ -43,7 +43,7 @@
 #' the horizontal ones.
 #'
 #' @details
-#' Calls [base::plot()] with `type="n"`, then [graphics::rect()] to
+#' Calls `plot()` with `type="n"`, then [graphics::rect()] to
 #' get the background, and then [graphics::points()]. Additional
 #' arguments you can include: `mgp.x` and `mgp.y` (like `mgp`, for
 #' controlling parameters of axis labels, but separate for x- and
@@ -67,7 +67,7 @@
 #'          vlines=seq(0, 100, by=5), vlines.lwd=c(3,1,1,1))
 #'
 #' @seealso
-#' [base::plot()], [graphics::par()], [graphics::rect()], [graphics::points()]
+#' [graphics::par()], [graphics::rect()], [graphics::points()]
 #'
 #' @keywords
 #' graphics

R/grayplot_na.R

@@ -26,7 +26,7 @@
 #' @param ... Optional graphics arguments
 #'
 #' @details
-#' Calls [base::plot()] with `type="n", then
+#' Calls `plot()` with `type="n", then
 #' [graphics::rect()] to get the background, and then
 #' [graphics::points()].
 #'

R/holmans_triangle.R

@@ -18,7 +18,7 @@
 #' @param grid_lty Line type of grid lines
 #' @param grid_lwd Line width of grid lines
 #'
-#' @param ... Passed to [base::plot()].
+#' @param ... Passed to `plot()`.
 #'
 #' @details
 #' Plot of an equilateral triangle, in order to depict trinomial

R/mypairs.R

@@ -11,7 +11,7 @@
 #'
 #' @param x A numeric matrix or data frame.
 #'
-#' @param ... Passed to the [base::plot()] function.
+#' @param ... Passed to the `plot()` function.
 #'
 #' @details
 #' This is like the function [graphics::pairs()], but