+ // converter to use: notice that with the default UTF-8 one the input
+ // stream must contain valid UTF-8 data, use wxConvISO8859_1 to work with
+ // arbitrary 8 bit data
+ wxMBConv& m_conv;
+
+#if wxUSE_UNICODE_WCHAR
+ // unconverted data from the last call to OnSysWrite()
+ wxMemoryBuffer m_unconv;
+#endif // wxUSE_UNICODE_WCHAR