Blank lines for `@examples` are transformed to blank roxygen2 comments

[krlmlr]

styler::style_text("
#' @export
#' @examples
#' a + b
#'
fun <- function() {
}
")
#> #' @export
#> #' @examples
#> #' a + b
#> #'
#> fun <- function() {
#> }

^{Created on 2022-12-26 with reprex v2.0.2}

Introduced in 2b886c4.