formatter fix

haxework/format/Formatter.hx

@@ -9,8 +9,7 @@ class Formatter implements IFormatter {
     var locale:ILocale = Provider.get(ILocale);
     var r:EReg = ~/\{(\w+)\}/g;
     return r.map(format, function(r:EReg):String {
-      var pattern:String = r.matched(1);
-      return switch(pattern) {
+      return switch(r.matched(1)) {
         case "ss": doubleDigit(date.getSeconds());
         case "nn": doubleDigit(date.getMinutes());
         case "hh": doubleDigit(date.getHours());
@@ -19,9 +18,8 @@ class Formatter implements IFormatter {
         case "yyyy": date.getFullYear() + "";
         case "month": locale.getArray("month")[date.getMonth()];
         case "Month": firstLetterUp(locale.getArray("month")[date.getMonth()]);
-        default: return "";
+        default: r.matched(0);
       }
-      return r.matched(0);
     });
   }