Fix encoding!

Author: abonie

tests/scripts/scriptlib.fsx

@@ -28,6 +28,11 @@ module Scripting =
         let ensureConsole () =
             if GetConsoleWindow() = IntPtr.Zero then
                 AllocConsole() |> ignore
+            // Set UTF-8 encoding for console input/output to ensure FSI receives UTF-8 data.
+            // This is needed because on net472 ProcessStartInfo.StandardInputEncoding is unavailable,
+            // so the spawned process inherits the console's encoding settings.
+            Console.InputEncoding <- Text.UTF8Encoding(false)
+            Console.OutputEncoding <- Text.UTF8Encoding(false)
 #endif
 #if NETCOREAPP
         let ensureConsole () = ()