w.Reset(&buf4)
	w2 := NewWriter(w)
	w2.WriteString("recur")
	w2.Flush()
	if buf4.String() != "recur" {
		t.Errorf("buf4 = %q, want %q", buf4.String(), "recur")
	}
	w.Reset(&buf5)
	w2.Reset(w)
	w2.WriteString("recur2")
	w2.Flush()
	if buf5.String() != "recur2" {
		t.Errorf("buf5 = %q, want %q", buf5.String(), "recur2")
	}
}

func TestReaderDiscard(t *testing.T) {