Change command line processing API to use wchar_t.
Fixes #2128.
diff --git a/Misc/NEWS b/Misc/NEWS
index 84800a1..30d1d39 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,10 @@
 Core and Builtins
 -----------------
 
+- The command line processing was converted to pass Unicode strings
+  through as unmodified as possible; as a consequence, the C API
+  related to command line arguments was changed to use wchar_t.
+
 Extension Modules
 -----------------