fix latex errors

R/geom_cartogram.r

@@ -6,7 +6,7 @@
 #' @section Aesthetics:
 #' \code{geom_cartogram} understands the following aesthetics (required aesthetics are in bold):
 #' \itemize{
-#'   \item \code{\strong{map_id}}
+#'   \item \code{map_id}
 #'   \item \code{alpha}
 #'   \item \code{colour}
 #'   \item \code{fill}
@@ -24,7 +24,7 @@
 #'   \code{y}, \code{lat} or \code{latitude} and \code{region} or \code{id}.
 #' @inheritParams ggplot2::layer
 #' @inheritParams ggplot2::geom_point
-#' @examples
+#' @examples \dontrun{
 #' # When using geom_polygon, you will typically need two data frames:
 #' # one contains the coordinates of each polygon (positions),  and the
 #' # other the values associated with each polygon (values).  An id
@@ -77,6 +77,7 @@
 #'     coord_map("polyconic") +
 #'     facet_wrap( ~ variable)
 #' }
+#' }
 geom_cartogram <- function(mapping = NULL, data = NULL,
                      stat = "identity",
                      ...,

man/geom_cartogram.Rd

@@ -60,7 +60,7 @@ This replicates the old behaviour of \code{geom_map()}, enabling specifying of
 
 \code{geom_cartogram} understands the following aesthetics (required aesthetics are in bold):
 \itemize{
-  \item \code{\strong{map_id}}
+  \item \code{map_id}
   \item \code{alpha}
   \item \code{colour}
   \item \code{fill}
@@ -73,6 +73,7 @@ This replicates the old behaviour of \code{geom_map()}, enabling specifying of
 }
 
 \examples{
+\dontrun{
 # When using geom_polygon, you will typically need two data frames:
 # one contains the coordinates of each polygon (positions),  and the
 # other the values associated with each polygon (values).  An id
@@ -126,3 +127,4 @@ if (require(maps)) {
     facet_wrap( ~ variable)
 }
 }
+}