VisualD cannot list member for (utf-8 char)

[sdvcn via Digitalmars-d-ide]

enum eNU{
	中国=99,
	china=666,

}

void 执行()
{
	eNU cc = eNU.中国;//VisualD error,not list member
	writeln("Hello D-World!");
}

int main(string[] argv)
{
执行();
}

Compile is good;