Takes any vector of languoids and returns subclassification in the Newick tree format.
Examples
subc.lang('Korean')
#> Korean
#> "((chol1278:1,kyon1247:1)chol1288:1,(chun1247:1,hwan1238:1)chun1248:1,(hamg1238:1,pyon1239:1)hamg1239:1,(earl1249:1,late1258:1)midd1372:1,seou1239:1)kore1280:1;"
subc.lang(c('Korean', 'Lechitic'))
#> Korean
#> "((chol1278:1,kyon1247:1)chol1288:1,(chun1247:1,hwan1238:1)chun1248:1,(hamg1238:1,pyon1239:1)hamg1239:1,(earl1249:1,late1258:1)midd1372:1,seou1239:1)kore1280:1;"
#> Lechitic
#> "((kash1275:1,slov1270:1)kash1274:1,pola1255:1,((grea1303:1,litt1243:1,oldp1256:1)poli1260:1,sile1253:1)poli1262:1)lech1241:1;"