grid, grDevices, markdown, rlang, Rcpp, RCurl, png, jpeg,
stringr, xml2
grid, grDevices, markdown, rlang, Rcpp, RCurl, systemfonts,
png, jpeg, stringr, xml2
curl, grid, grDevices, markdown, rlang, Rcpp, png, jpeg,
stringr, xml2
covr, knitr, rmarkdown, testthat, vdiffr