}},
	},
	want: `<foo xmlns:_XmLSchema-instance="http://www.w3.org/2001/XmLSchema-instance" _XmLSchema-instance:nil="true">`,
}}

func TestEncodeToken(t *testing.T) {
loop:
	for i, tt := range encodeTokenTests {
		var buf strings.Builder
		enc := NewEncoder(&buf)
		var err error
		for j, tok := range tt.toks {
			err = enc.EncodeToken(tok)