+#if wxUSE_SYSTEM_OPTIONS
+ // set this to true if you want to use the 'classic' mlte based implementation
+ // instead of the HIView based implementation in 10.3 and upwards, the former
+ // has more features (backgrounds etc.) but may show redraw artefacts and other
+ // problems depending on your usage, default is 'false'
+ #define wxMAC_TEXTCONTROL_USE_MLTE _T("mac.textcontrol-use-mlte")
+#endif
+