{50, "ENOCSI", "no CSI structure available"},
	{51, "EL2HLT", "level 2 halted"},
	{52, "EBADE", "invalid exchange"},
	{53, "EBADR", "invalid request descriptor"},
	{54, "EXFULL", "exchange full"},
	{55, "ENOANO", "no anode"},
	{56, "EBADRQC", "invalid request code"},
	{57, "EBADSLT", "invalid slot"},
	{59, "EBFONT", "bad font file format"},
	{60, "ENOSTR", "device not a stream"},
	{61, "ENODATA", "no data available"},

	49:  "protocol driver not attached",
	50:  "no CSI structure available",
	51:  "level 2 halted",
	52:  "invalid exchange",
	53:  "invalid request descriptor",
	54:  "exchange full",
	55:  "no anode",
	56:  "invalid request code",
	57:  "invalid slot",
	58:  "file locking deadlock error",
	59:  "bad font file format",
	60:  "device not a stream",
	61:  "no data available",
	62:  "timer expired",

		panic(walkContinue)
	case *parse.IfNode:
		s.walkIfOrWith(parse.NodeIf, dot, node.Pipe, node.List, node.ElseList)
	case *parse.ListNode:
		for _, node := range node.Nodes {
			s.walk(dot, node)
		}
	case *parse.RangeNode:
		s.walkRange(dot, node)
	case *parse.TemplateNode:
		s.walkTemplate(dot, node)
	case *parse.TextNode:
		if _, err := s.wr.Write(node.Text); err != nil {
			s.writeError(err)
		}

		want string
	}{
		{nn, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"},
		{extraNotNil, "L=Gophertown"},
		{pkix.Name{
			CommonName:         "Steve Kille",
			Organization:       []string{"Isode Limited"},
			OrganizationalUnit: []string{"RFCs"},
			Locality:           []string{"Richmond"},
			Province:           []string{"Surrey"},
			StreetAddress:      []string{"The Square"},

pkg text/template/parse, method (*FieldNode) String() string
pkg text/template/parse, method (*IdentifierNode) Copy() Node
pkg text/template/parse, method (*IdentifierNode) String() string
pkg text/template/parse, method (*IfNode) Copy() Node
pkg text/template/parse, method (*IfNode) String() string
pkg text/template/parse, method (*ListNode) Copy() Node