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