Takes any vector of Glottocodes and returns languages.
Examples
lang.gltc('adyg1241')
#> adyg1241
#> "West Circassian"
lang.gltc(c('adyg1241', 'udii1243'))
#> adyg1241 udii1243
#> "West Circassian" "Udi"
Takes any vector of Glottocodes and returns languages.
lang.gltc('adyg1241')
#> adyg1241
#> "West Circassian"
lang.gltc(c('adyg1241', 'udii1243'))
#> adyg1241 udii1243
#> "West Circassian" "Udi"