tuning resource API

resource/abstract/Lang.gf

@@ -0,0 +1,25 @@
+abstract Lang = 
+  Rules, 
+  Clause, 
+  Structural, 
+  Basic, 
+  Time, 
+  Country 
+
+  ** {
+  fun
+
+-- Mount $Time$.
+
+  AdvDate : Date -> Adv ;
+  AdvTime : Time -> Adv ;
+  NWeekday : Weekday -> N ;
+  PNWeekday : Weekday -> PN ;
+
+-- Mount $Country$.
+
+  PNCountry : Country -> PN ;
+  ANationality : Nationality -> A ;
+  NLanguage : Language -> N ;
+
+}