The fmt_flag() function can be used to render flag icons within
body cells that have 2-letter country codes. There are a lot of countries,
so, the info_flags() function can be helpful in showing all of the valid
and supported country codes along with their flag icons.
See also
Other information functions:
info_currencies(),
info_date_style(),
info_google_fonts(),
info_icons(),
info_locales(),
info_paletteer(),
info_time_style()