-// Unicode is currently only fully supported under Windows NT/2000 (Windows 9x
-// doesn't support it and the programs compiled in Unicode mode will not run
-// under 9x).
+// Unicode is currently only fully supported under Windows NT/2000/XP
+// (Windows 9x doesn't support it and the programs compiled in Unicode mode
+// will not run under 9x -- but see wxUSE_UNICODE_MSLU below).
+//
+// Default is 0
+//
+// Recommended setting: 0 (unless you only plan to use Windows NT/2000/XP)
+#ifndef wxUSE_UNICODE
+ #define wxUSE_UNICODE 0
+#endif
+
+// Set wxUSE_UNICODE_MSLU to 1 if you want to compile wxWidgets in Unicode mode
+// and be able to run compiled apps under Windows 9x as well as NT/2000/XP.
+// This setting enables use of unicows.dll from MSLU (MS Layer for Unicode, see
+// http://www.microsoft.com/globaldev/handson/dev/mslu_announce.mspx). Note
+// that you will have to modify the makefiles to include unicows.lib import
+// library as the first library (see installation instructions in install.txt
+// to learn how to do it when building the library or samples).
+//
+// If your compiler doesn't have unicows.lib, you can get a version of it at
+// http://libunicows.sourceforge.net