# -----------------
# Roxygen Examples with Markdown
# file <- "0999_roxygen_md_examples.R "
# -----------------
#' @title Bold **example**
#' @description Returns list of previously configured Google api_key, oauth2 info
#' a link: main R web site is at <https://r-project.org>.
#' @details These are created in Google credentials, stored in ~/.Renviron and
#' put into R env system. This function retrieves from the R environment and
#' returns to code.
#'
#' [Documentation:](https://cran.r-project.org/web/packages/roxygen2/vignettes/rd-formatting.html)
#' @details
#' # Section
#' ## Level 2
#' ### Level 3
#'
#' @return NULL
#' @export
#' @md
a_function <- function() {}
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