tree, err := parse.Parse("t", `{{define "b"}}<a href="{{end}}`, "", "", nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	added := Must(root.AddParseTree("b", tree["b"]))
	b := new(strings.Builder)
	err = added.ExecuteTemplate(b, "a", "1>0")
	if err != nil {
		t.Fatal(err)
	}
	if got, want := b.String(), ` 1&gt;0 <a href=" 1%3e0 "></a>`; got != want {
		t.Errorf("got %q want %q", got, want)
	}
}

func TestClone(t *testing.T) {

	// that behavior but html/template's escaping does, so it's a good habit.
	err = templates.ExecuteTemplate(os.Stdout, "driver1", nil)
	if err != nil {
		log.Fatalf("driver1 execution: %s", err)
	}
	err = templates.ExecuteTemplate(os.Stdout, "driver2", nil)
	if err != nil {
		log.Fatalf("driver2 execution: %s", err)
	}
	// Output:

	// that behavior but html/template's escaping does, so it's a good habit.
	err = templates.ExecuteTemplate(os.Stdout, "driver1", nil)
	if err != nil {
		log.Fatalf("driver1 execution: %s", err)
	}
	err = templates.ExecuteTemplate(os.Stdout, "driver2", nil)
	if err != nil {
		log.Fatalf("driver2 execution: %s", err)
	}
	// Output:

		}
	}
	// Execute root.
	var b strings.Builder
	err = root.ExecuteTemplate(&b, "a", 0)
	if err != nil {
		t.Fatal(err)
	}
	if b.String() != "broot" {
		t.Errorf("expected %q got %q", "broot", b.String())
	}
	// Execute copy.
	b.Reset()
	err = clone.ExecuteTemplate(&b, "a", 0)
	if err != nil {
		t.Fatal(err)
	}
	if b.String() != "bclone" {

		t.Fatalf("AddParseTree error: %v", err)
	}
	var b1, b2 strings.Builder
	if err := tpl.ExecuteTemplate(&b1, "foo", data); err != nil {
		t.Fatalf(`ExecuteTemplate failed for "foo": %v`, err)
	}
	if err := tpl.ExecuteTemplate(&b2, "bar", data); err != nil {
		t.Fatalf(`ExecuteTemplate failed for "foo": %v`, err)
	}
	got1, got2 := b1.String(), b2.String()
	if got1 != want {

	err = t.ExecuteTemplate(out, "T", "<script>alert('you have been pwned')</script>")

produces

	Hello, <script>alert('you have been pwned')</script>!

but the contextual autoescaping in html/template

	import "html/template"
	...
	t, err := template.New("foo").Parse(`{{define "T"}}Hello, {{.}}!{{end}}`)
	err = t.ExecuteTemplate(out, "T", "<script>alert('you have been pwned')</script>")

}

func Example_autoescaping() {
	check := func(err error) {
		if err != nil {
			log.Fatal(err)
		}
	}
	t, err := template.New("foo").Parse(`{{define "T"}}Hello, {{.}}!{{end}}`)
	check(err)
	err = t.ExecuteTemplate(os.Stdout, "T", "<script>alert('you have been pwned')</script>")
	check(err)
	// Output:
	// Hello, &lt;script&gt;alert(&#39;you have been pwned&#39;)&lt;/script&gt;!
}

func Example_escape() {

	}
	defer f.Close()

	t, err := template.ParseFiles(templates...)
	if err != nil {
		c.t.Fatalf("Failed to parse files %q, err: %v", templates, err)
	}

	if err = t.ExecuteTemplate(f, target, env); err != nil {
		c.t.Fatalf("Failed to execute template %s, err: %v", target, err)
	}

	return f.Name()
}

func (c *ManifestTestCase) mustLoadPodFromManifest() {

// name of one of the (base) names of the files. If it does not, depending on
// t's contents before calling ParseFiles, t.Execute may fail. In that
// case use t.ExecuteTemplate to execute a valid template.
//
// When parsing multiple files with the same name in different directories,
// the last one mentioned will be the one that results.

		t.Fatal("exec error:", err)
	}
	result := b.String()
	if result != expect {
		t.Errorf("expected %q got %q", expect, result)
	}
	// Then direct to execution.
	b.Reset()
	err = tmpl.ExecuteTemplate(&b, "tree", tree)
	if err != nil {
		t.Fatal("exec error:", err)
	}
	result = b.String()
	if result != expect {
		t.Errorf("expected %q got %q", expect, result)
	}
}