making Arabic minimal compile; strange chars remain

src/arabic/MorphoAra.gf

@@ -41,9 +41,9 @@ flags optimize = all ;--noexpand;  coding=utf8 ;
     
     vowel : Case => Str = 
       table {
-        Nom => "ُ";
-        Acc => "َ";
-        Gen => "ِ"
+        Nom =>  "ُ";
+        Acc =>  "َ";
+        Gen =>  "ِ"
       };
 
 }

src/arabic/ParadigmsAra.gf

@@ -355,7 +355,7 @@ resource ParadigmsAra = open
 
   -- e.g. al-jamii3, 2a7ad
   regNP : Str -> Number -> NP = \word,n ->
-    { s = \\c => word + vowel ! c ;
+    { s = \\c => word ++ vowel ! c ; ---- gives strange chars
       a = {pgn = Per3 Masc n; isPron = False };
       lock_NP = <>
     };