Provide --enable-non-utf8 as in 1.2.0 but keep it on by default

configure.ac

@@ -268,6 +268,8 @@ case "${host_os}" in
         enable_asademux="yes"
         echo "  Assuming --enable-asademux"
 
+        enable_non_utf8="no"
+        echo "  Assuming --disable-non-utf8"
         enable_skins2="no"
         echo "  Assuming --disable-skins2"
         enable_xcb="no"
@@ -926,6 +928,17 @@ fi
 AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
 
 
+dnl Manual switch for UTF-8
+AC_ARG_ENABLE(non-utf8,
+  [  --enable-non-utf8       Legacy non-UTF-8 systems support (default enabled)], [
+  enable_non_utf8="yes"
+])
+AS_IF([test "${enable_non_utf8}" != "no"], [
+  AC_DEFINE([ASSUME_UTF8], [1],
+            [Define to 1 if the operating system uses UTF-8 internally])
+])
+
+
 dnl Check for dbus
 AC_ARG_ENABLE(dbus,
   [  --enable-dbus           Linux D-BUS message bus system (default enabled)])

src/text/unicode.c

@@ -42,11 +42,6 @@
 #endif
 #include <errno.h>
 
-#if defined (__APPLE__) || defined (HAVE_MAEMO)
-/* Define this if the OS always use UTF-8 internally */
-# define ASSUME_UTF8 1
-#endif
-
 #if defined (ASSUME_UTF8)
 /* Cool */
 #elif defined (WIN32) || defined (UNDER_CE)