added an incomplete and experimental file package

h2/lib/h2-wide.ads

@@ -1,9 +1,21 @@
 with H2.Scheme;
 with H2.Utf8;
+with H2.Slim;
 
 package H2.Wide is
 
-	package Scheme is new H2.Scheme (Standard.Wide_Character);
-	package Utf8 is new H2.Utf8 (Standard.Character, Standard.Wide_Character);
+	subtype Character is Standard.Wide_Character;
+	type String is array(System_Index range<>) of Character;
 
+	package Scheme is new H2.Scheme (Standard.Wide_Character);
+	package Utf8 is new H2.Utf8 (H2.Slim.Character, Character, H2.Slim.String, H2.Wide.String);
+
+	--package Stream is new H2.IO (
+	--	Standard.Wide_Character,
+	--	Standard.Character, 
+	--	H2.System.Open,
+	--	H2.System.Close,
+	--	H2.System.Read,
+	--	H2.System.Write
+	--);
 end H2.Wide;