food grammars added, with copyright statements

lib/src/api/SymbolicAra.gf

@@ -0,0 +1,5 @@
+--# -path=.:present:mathematical:prelude
+
+resource SymbolicAra = Symbolic with 
+  (Symbol = SymbolAra),
+  (Grammar = GrammarAra) ;

lib/src/api/SymbolicRus.gf

@@ -0,0 +1,5 @@
+--# -path=.:present:mathematical:prelude
+
+resource SymbolicRus = Symbolic with 
+  (Symbol = SymbolRus),
+  (Grammar = GrammarRus) ;

lib/src/arabic/StructuralAra.gf

@@ -109,6 +109,6 @@ concrete StructuralAra of Structural = CatAra **
 
   have_V2      = dirV2 (regV "يَملِك") ; 
 
-  lin language_title_Utt = ss "العربية" ;
+  lin language_title_Utt = {s = \\_ => "العربية"} ;
 
 }