reader := NewReader(&buf)
	hdr, err = reader.Next()
	if err != nil {
		t.Fatal(err)
	}
	if !reflect.DeepEqual(hdr.Xattrs, xattrs) {
		t.Fatalf("xattrs did not survive round trip: got %+v, want %+v",
			hdr.Xattrs, xattrs)
	}
}

func TestPaxHeadersSorted(t *testing.T) {
	fileinfo, err := os.Stat("testdata/small.txt")
	if err != nil {
		t.Fatal(err)
	}

pkg flag, method (*FlagSet) Name() string
pkg flag, method (*FlagSet) Output() io.Writer
pkg html/template, type Srcset string
pkg math, func Erfcinv(float64) float64
pkg math, func Erfinv(float64) float64
pkg math, func Round(float64) float64
pkg math, func RoundToEven(float64) float64
pkg math/big, const MaxBase = 62
pkg math/big, method (*Float) Sqrt(*Float) *Float
pkg math/big, method (*Int) CmpAbs(*Int) int

pkg syscall (netbsd-386), const ENOSTR Errno
pkg syscall (netbsd-386), const EN_SW_CTL_INF ideal-int
pkg syscall (netbsd-386), const EN_SW_CTL_PREC ideal-int
pkg syscall (netbsd-386), const EN_SW_CTL_ROUND ideal-int
pkg syscall (netbsd-386), const EN_SW_DATACHAIN ideal-int
pkg syscall (netbsd-386), const EN_SW_DENORM ideal-int
pkg syscall (netbsd-386), const EN_SW_INVOP ideal-int