// zero for types octet, char, and wchar
returnValue.insert_char((char)0);
break;
case TCKind._tk_wchar:
// zero for types octet, char, and wchar
returnValue.insert_wchar((char)0);
break;
case TCKind._tk_string:
// the empty string for string and wstring
// Make sure that type code for bounded strings gets respected
returnValue.type(typeCode);