--concrete NumeralGer of Numeral = CatGer ** open ResGer in {
--
--lincat 
--  Digit = {s : DForm => CardOrd => Str} ;
--  Sub10 = {s : DForm => CardOrd => Str ; n : Number} ;
--  Sub100     = {s : CardOrd => Str ; n : Number} ;
--  Sub1000    = {s : CardOrd => Str ; n : Number} ;
--  Sub1000000 = {s : CardOrd => Str ; n : Number} ;
--
--lin num x = x ;
--lin n2 = let two = mkNum "two"   "twelve"   "twenty" "second" in
--         {s = \\f,c => case <f,c> of {
--             <teen,NOrd> => "twelfth" ;
--             _ => two.s ! f ! c
--             }
--         } ;
--
--lin n3 = mkNum "three" "thirteen" "thirty" "third" ;
--lin n4 = mkNum "four"  "fourteen" "forty" "fourth" ;
--lin n5 = mkNum "five"  "fifteen"  "fifty" "fifth" ;
--lin n6 = regNum "six" ;
--lin n7 = regNum "seven" ;
--lin n8 = mkNum "eight" "eighteen" "eighty" "eighth" ;
--lin n9 = regNum "nine" ;
--
--lin pot01 = mkNum "one" "eleven" "ten" "first" ** {n = Sg} ;
--lin pot0 d = d ** {n = Pl} ;
--lin pot110 = regCardOrd "ten" ** {n = Pl} ;
--lin pot111 = regCardOrd "eleven" ** {n = Pl} ;
--lin pot1to19 d = {s = d.s ! teen} ** {n = Pl} ;
--lin pot0as1 n = {s = n.s ! unit}  ** {n = n.n} ;
--lin pot1 d = {s = d.s ! ten} ** {n = Pl} ;
--lin pot1plus d e = {
--   s = \\c => d.s ! ten ! NCard ++ "-" ++ e.s ! unit ! c ; n = Pl} ;
--lin pot1as2 n = n ;
--lin pot2 d = {s = \\c => d.s ! unit ! NCard ++ mkCard c "hundred"}  ** {n = Pl} ;
--lin pot2plus d e = {
--  s = \\c => d.s ! unit ! NCard ++ "hundred" ++ "and" ++ e.s ! c ; n = Pl} ;
--lin pot2as3 n = n ;
--lin pot3 n = {
--  s = \\c => n.s ! NCard ++ mkCard c "thousand" ; n = Pl} ;
--lin pot3plus n m = {
--  s = \\c => n.s ! NCard ++ "thousand" ++ m.s ! c ; n = Pl} ;
--}