>=dev-lang/R-3.5.0
sci-CRAN/R_utils
sci-CRAN/stringr
sci-CRAN/terra
sci-CRAN/roxygen2
>=sci-CRAN/sf-0.9
sci-CRAN/devtools
sci-CRAN/xml2
sci-CRAN/xfun

r_suggests_curl?
      ( sci-CRAN/curl )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_listviewer?
      ( sci-CRAN/listviewer )

r_suggests_markdown?
      ( sci-CRAN/markdown )

r_suggests_rgrass?
      ( sci-CRAN/rgrass )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

r_suggests_sp?
      ( sci-CRAN/sp )

r_suggests_stars?
      ( sci-CRAN/stars )

dev-lang/R:=