diff --git a/cmd/tht/main.go b/cmd/tht/main.go
index 3170fd7..80844f0 100644
--- a/cmd/tht/main.go
+++ b/cmd/tht/main.go
@@ -1,10 +1,10 @@
 package main
 
 import (
-	"surdeus.su/util/tpp/httpx"
+	"surdeus.su/util/tpp/server"
 	"os"
 )
 
 func main() {
-	httpx.Tool.Run(os.Args[1:])
+	server.Tool.Run(os.Args[1:])
 }
diff --git a/go.mod b/go.mod
index 2221189..67794c2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,9 +1,11 @@
 module surdeus.su/util/tpp
 
-go 1.21.7
+go 1.22.3
 
 require (
 	github.com/d5/tengo/v2 v2.17.0
 	github.com/gomarkdown/markdown v0.0.0-20240419095408-642f0ee99ae2
-	surdeus.su/core/cli v0.0.2
+	surdeus.su/core/cli v0.1.2
 )
+
+require surdeus.su/core/xgo v0.5.0 // indirect
diff --git a/go.sum b/go.sum
index cac8de3..fb791d2 100644
--- a/go.sum
+++ b/go.sum
@@ -4,3 +4,7 @@ github.com/gomarkdown/markdown v0.0.0-20240419095408-642f0ee99ae2 h1:yEt5djSYb4i
 github.com/gomarkdown/markdown v0.0.0-20240419095408-642f0ee99ae2/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
 surdeus.su/core/cli v0.0.2 h1:RdHHk3/Fhwxz9PjaE+vTlCuF9KmhrmNUb5y4oqulrYI=
 surdeus.su/core/cli v0.0.2/go.mod h1:UKwCmcSX+x7XX9aF3gOaaAaJcJA3gtUmL4vdnM43+fM=
+surdeus.su/core/cli v0.1.2 h1:qPzjawqPyZsO4Z5SaA1u141recVE65yioA83Qs7Jecs=
+surdeus.su/core/cli v0.1.2/go.mod h1:r9JtQz3aEJzpYzMaNUNQHJoYkoWKNPi047qhd5uGlmA=
+surdeus.su/core/xgo v0.5.0 h1:/Rk3scfFkoSb0qjHRlkUNOp9sr/fd7wAvCiT4fBRo+U=
+surdeus.su/core/xgo v0.5.0/go.mod h1:6C/AHbjfvAMvt3TOzLB4eIZ40eU3ahJXtdY+kr4yXoc=
diff --git a/httpx/http.go b/httpx/http.go
deleted file mode 100644
index 0e441e6..0000000
--- a/httpx/http.go
+++ /dev/null
@@ -1,2 +0,0 @@
-package httpx
-
diff --git a/httpx/module.go b/httpx/module.go
deleted file mode 100644
index f7a0765..0000000
--- a/httpx/module.go
+++ /dev/null
@@ -1,24 +0,0 @@
-package httpx
-
-import "github.com/d5/tengo/v2"
-import "github.com/d5/tengo/v2/stdlib"
-import "surdeus.su/util/tpp/paths"
-
-var Modules = map[string]tengo.Importable{
-	"paths": paths.Module,
-}
-
-var Stdlib = stdlib.GetModuleMap(stdlib.AllModuleNames()...)
-
-type ModuleGetter struct{}
-
-func (m *ModuleGetter) Get(
-	name string,
-) tengo.Importable {
-	module, exist := Modules[name]
-	if exist {
-		return module
-	}
-
-	return Stdlib.Get(name)
-}
diff --git a/httpx/request.go b/httpx/request.go
deleted file mode 100644
index 8f72830..0000000
--- a/httpx/request.go
+++ /dev/null
@@ -1,49 +0,0 @@
-package httpx
-
-import (
-	"github.com/d5/tengo/v2"
-	"net/http"
-	"io"
-	//"log"
-)
-
-type Request struct {
-	tengo.ObjectImpl
-	*http.Request
-}
-
-func (r *Request) TypeName() string {
-	return "*http.Request"
-}
-
-func (r *Request) String() string {
-	return "*http.Request{...}"
-}
-
-func (r *Request) IndexGet(
-	index tengo.Object,
-) (tengo.Object, error) {
-	key, ok := tengo.ToString(index)
-	if !ok {
-		return nil, tengo.ErrInvalidIndexValueType
-	}
-
-	switch key {
-	case "url" :
-		return &URL{
-			URL: r.URL,
-		}, nil
-	case "body" :
-		bts, err := io.ReadAll(r.Body)
-		if err != nil {
-			return nil, err
-		}
-		return &tengo.Bytes{
-			Value: bts,
-		}, nil
-	}
-
-	// Nothing found.
-	return nil, nil
-}
-
diff --git a/httpx/url.go b/httpx/url.go
deleted file mode 100644
index 1e0727e..0000000
--- a/httpx/url.go
+++ /dev/null
@@ -1,76 +0,0 @@
-package httpx
-
-import (
-	"github.com/d5/tengo/v2"
-	"net/url"
-	"fmt"
-)
-
-var _ = tengo.Object(&Values{})
-type Values struct {
-	tengo.ObjectImpl
-	url.Values
-}
-
-func (vs *Values) TypeName() string {
-	return "*url.Values"
-}
-
-func (vs *Values) String() string {
-	return fmt.Sprintf("%v", vs.Values)
-}
-
-func (vs *Values) IndexGet(
-	index tengo.Object,
-) (tengo.Object, error) {
-	key, ok := tengo.ToString(index)
-	if !ok {
-		return nil, tengo.ErrInvalidIndexValueType
-	}
-
-	val, ok := vs.Values[key]
-	if !ok {
-		return nil, nil
-	}
-
-	arr := make([]tengo.Object, len(val))
-	for i, v := range val {
-		arr[i], _  = tengo.FromInterface(v)
-	}
-
-	return &tengo.Array{Value: arr}, nil
-}
-
-type URL struct {
-	tengo.ObjectImpl
-	*url.URL
-}
-
-func (u *URL) TypeName() string {
-	return "<URL>"
-}
-
-func (u *URL) String() string {
-	return u.URL.String()
-}
-
-func (u *URL) IndexGet(
-	index tengo.Object,
-) (tengo.Object, error) {
-	key, ok := tengo.ToString(index)
-	if !ok {
-		return nil, tengo.ErrInvalidIndexValueType
-	}
-
-	switch key {
-	case "path" :
-		return tengo.FromInterface(u.Path)
-	case "query" :
-		return &Values{
-			Values: u.Query(),
-		}, nil
-	}
-
-	// Nothing found.
-	return nil, nil
-}
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..dc0cd6e
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+go install ./cmd/tpp/ ./cmd/tht/
diff --git a/main.go b/main.go
index 188474c..6237f05 100644
--- a/main.go
+++ b/main.go
@@ -1,7 +1,6 @@
 package tpp
 
 import (
-	//"fmt"
 	"bytes"
 	"context"
 )
@@ -31,7 +30,7 @@ func (pp *Preprocessor) Process(
 	filePath string,
 	data []byte,
 ) ([]byte, error) {
-	var b bytes.Buffer
+	//var b bytes.Buffer
 	preCode := []byte(nil)
 	texts := [][]byte{}
 	codes := [][]byte{}
@@ -72,15 +71,13 @@ func (pp *Preprocessor) Process(
 		codes = append(codes, code)
 
 		data = data[idxEnd + len(pp.tags[1]):]
-		/*if len(data) > 0 && data[0] == '\n' {
-			data = data[1:]
-		}*/
 	}
 
-	codeRets, err := pp.tengo.Eval(
+	ret, err := pp.tengo.Eval(
 		ctx,
 		recompile,
 		filePath,
+		texts,
 		preCode,
 		codes,
 	)
@@ -88,14 +85,6 @@ func (pp *Preprocessor) Process(
 		return nil, err
 	}
 
-	for i := range codeRets {
-		b.Write(texts[i])
-		b.Write(codeRets[i])
-	}
-	if len(texts) > len(codeRets) {
-		b.Write(texts[len(codeRets)])
-	}
-
-	return b.Bytes(), nil
+	return ret, nil
 }
 
diff --git a/mod/post.tengo b/mod/post.tengo
index f73eb45..c4a439e 100644
--- a/mod/post.tengo
+++ b/mod/post.tengo
@@ -4,9 +4,8 @@ htmExt := func(c){
 	if c.is_compo {
 		return
 	}
-	c.pp.print(`
-		</body></html>
-	`)
+
+	c.pp.print(`</body></html>`)
 }
 
 exts := {
@@ -15,8 +14,10 @@ exts := {
 }
 
 export func(c){
-	url_path := c.http.request.url.path
-	ext := paths.ext(url_path)
+	ext := paths.ext(c.pp.filepath)
+	ext = paths.ext(
+		c.pp.filepath[:len(c.pp.filepath) - len(ext)]
+	)
 
 	cl := exts[ext]
 	if !is_undefined(cl) {
diff --git a/mod/pre.tengo b/mod/pre.tengo
index b62c370..b550388 100644
--- a/mod/pre.tengo
+++ b/mod/pre.tengo
@@ -1,22 +1,25 @@
 fmt := import("fmt")
 paths := import("paths")
+html := import("html").new_render()
 
 htmExt := func(c){
 	if c.is_compo {
 		return
 	}
-		fmt.println("shit")
-	c.pp.print(`
-		<!doctype html>
-		<html><head>
-		<script src="https://unpkg.com/htmx.org@1.9.2"></script>
-	`)
-	if c.title {
-		c.pp.printf(`<title>%s</title>`, c.title)
-	}
-	c.pp.print(`
-		</head><body>
-	`)
+	c.pp.print(`<!doctype html><html>`)
+
+	c.pp.print(html.head().body(
+		func(){
+			if c.title {
+				return html.title().body(c.title)
+			}
+		}(),
+		html.script({
+			src: `https://unpkg.com/htmx.org@1.9.2`
+		})
+	))
+
+	c.pp.print(`<body>`)
 }
 
 exts := {
@@ -25,8 +28,10 @@ exts := {
 }
 
 export func(c){
-	url_path := c.http.request.url.path
-	ext := paths.ext(url_path)
+	ext := paths.ext(c.pp.filepath)
+	ext = paths.ext(
+		c.pp.filepath[:len(c.pp.filepath) - len(ext)]
+	)
 
 	cl := exts[ext]
 	if cl {
diff --git a/httpx/handler.go b/server/handler.go
similarity index 87%
rename from httpx/handler.go
rename to server/handler.go
index 9358f3e..daa2408 100644
--- a/httpx/handler.go
+++ b/server/handler.go
@@ -1,9 +1,11 @@
-package httpx
+package server
 
 import (
 	//"github.com/d5/tengo/v2"
 	"surdeus.su/util/tpp/mdx"
-	"surdeus.su/util/tpp/htmlx"
+	//"surdeus.su/core/xgo/xmodules/htmlx"
+	"surdeus.su/core/xgo/xmodules/httpx"
+	"surdeus.su/core/xgo/xmodules"
 	"surdeus.su/util/tpp"
 	"path/filepath"
 	"net/http"
@@ -37,7 +39,7 @@ type Handler struct {
 	// between requests.
 	global any
 	md *mdx.Markdown
-	html *htmlx.HTML
+	indexSuffix string
 }
 
 // Returns the new Handler with
@@ -45,7 +47,7 @@ type Handler struct {
 // preprocessor extension and the global value.
 func NewHandler(
 	pp *tpp.Preprocessor,
-	src, ext string,
+	src, ext, index string,
 	global any,
 ) *Handler {
 	ret := &Handler{}
@@ -53,6 +55,7 @@ func NewHandler(
 	ret.ext = ext
 	ret.pp = pp
 	ret.global = global
+	ret.indexSuffix = index
 	return ret
 }
 
@@ -64,26 +67,23 @@ func DefaultPP(mod string) *tpp.Preprocessor {
 		s *tpp.Script,
 	) {
 		s.SetImportDir(mod)
-		s.SetImports(&ModuleGetter{})
+		s.SetImports(xmodules.Modules)
 		s.EnableFileImport(true)
 
 		s.Add("__http_request__", ctx.Value(KeyRequest))
 		s.Add("__global__", ctx.Value(KeyGlobal))
 		s.Add("__markdown__", ctx.Value(KeyMarkdown))
-		s.Add("__html__", ctx.Value(KeyHTML))
 	}).SetPreCode(func(ctx context.Context) []byte {
 		return []byte(`
 			markdown := func(...args) {
 				pp.write_raw(__markdown__(args...))
 			}
-			http := immutable({
+			__http__ := immutable({
 				request : __http_request__
 			})
-			html := __html__
-			context.http = http
+			context.http = __http__
 			context.pp = pp
 			context.global = __global__
-			context.html = html
 			import("./pre")(context)
 		`)
 	}).SetPostCode(func(ctx context.Context) []byte {
@@ -99,10 +99,6 @@ func (h *Handler) SetMD(md *mdx.Markdown) *Handler {
 	h.md = md
 	return h
 }
-func (h *Handler) SetHTML(html *htmlx.HTML) *Handler {
-	h.html = html
-	return h
-}
 
 func (h *Handler) ServeHTTP(
 	w http.ResponseWriter,
@@ -118,8 +114,17 @@ func (h *Handler) ServeHTTP(
 		filepath.FromSlash(h.sourcePath),
 		filepath.FromSlash(urlPath),
 	)
-	filePathTpp := filePath + h.ext
+	fileStat, err := os.Stat(filePath)
+	if err == nil {
+		if fileStat.IsDir() {
+			filePath = filepath.Join(
+				filePath,
+				h.indexSuffix,
+			)
+		}
+	}
 
+	filePathTpp := filePath + h.ext
 	//log.Println("pth:", urlPath, filePathTpp)
 	file, err := os.Open(filePathTpp)
 	if err != nil {
@@ -141,7 +146,7 @@ func (h *Handler) ServeHTTP(
 	ctx := context.WithValue(
 		r.Context(),
 		KeyRequest,
-		&Request{
+		&httpx.Request{
 			Request: r,
 		},
 	)
@@ -158,17 +163,10 @@ func (h *Handler) ServeHTTP(
 		h.md,
 	)
 
-	ctx = context.WithValue(
-		ctx,
-		KeyHTML,
-		h.html,
-	)
-
 	// Setting before the code to let it change own
-	// content type.
+	// content type?
 	contentType := mime.TypeByExtension(urlExt)
 	w.Header().Set("Content-Type", contentType)
-
 	processedData := fileData
 	if shouldProcess {
 		processedData, err = h.pp.Process(
diff --git a/httpx/tool.go b/server/tool.go
similarity index 88%
rename from httpx/tool.go
rename to server/tool.go
index 08a60f9..24cebfc 100644
--- a/httpx/tool.go
+++ b/server/tool.go
@@ -1,4 +1,4 @@
-package httpx
+package server
 
 import (
 
@@ -24,13 +24,14 @@ const (
 // Simple PHP-like server implementation.
 var Tool = mtool.T("tht").Func(func(flags *mtool.Flags) {
 	var (
-		addr, ext, src, mod string
+		addr, ext, src, mod, index string
 	)
 
 	flags.StringVar(&addr, "addr", ":3000", "address to serve at")
 	flags.StringVar(&mod, "mod", "./mod", "path to store Tengo modules")
 	flags.StringVar(&src, "src", "./src", "directory with source files")
 	flags.StringVar(&ext, "ext", ".tpp", "extension for TPP files")
+	flags.StringVar(&index, "index", "index.htm", "index file name")
 
 	flags.Parse()
 
@@ -39,7 +40,7 @@ var Tool = mtool.T("tht").Func(func(flags *mtool.Flags) {
 		Addr:    addr,
 		Handler: NewHandler(
 			DefaultPP(mod),
-			src, ext,
+			src, ext, index,
 			map[string] tengo.Object{},
 		).SetMD(mdx.MakeDefaultMarkdown()),
 	}
diff --git a/src/check.htm.tpp b/src/check.htm.tpp
new file mode 100644
index 0000000..6674cd9
--- /dev/null
+++ b/src/check.htm.tpp
@@ -0,0 +1,5 @@
+<main>shit</main>
+{{
+	pp.print("cock")
+}}
+<main>later</main>
diff --git a/src/check/index.htm.tpp b/src/check/index.htm.tpp
new file mode 100644
index 0000000..ee4255e
--- /dev/null
+++ b/src/check/index.htm.tpp
@@ -0,0 +1,12 @@
+{{#
+	html := import("html").new_render()
+}}
+{{
+h := html.main().body(
+	html.p().body(
+		"some paragraph shit"
+	)
+)
+
+pp.print(h)
+}}
diff --git a/src/incorrect.htm.tpp b/src/incorrect.htm.tpp
new file mode 100644
index 0000000..0f67522
--- /dev/null
+++ b/src/incorrect.htm.tpp
@@ -0,0 +1,11 @@
+html := import("html").new_render()
+
+pp.print(html.html().body(
+	html.head().body(
+		html.title().body(
+			"some title"
+		)
+	),
+	html.body().body(
+	)
+))
diff --git a/src/index.htm.tpp b/src/index.htm.tpp
new file mode 100644
index 0000000..2e4c875
--- /dev/null
+++ b/src/index.htm.tpp
@@ -0,0 +1,78 @@
+{{#
+	context.title = "The example.site main page"
+	
+	fmt := import("fmt")
+	html := import("html").new_render()
+}}
+
+<h1>This is the example page for the THT</h1>
+{{
+	/*if !context.global.int {
+		context.global.int = 0
+	} else {
+		context.global.int++
+	}*/
+
+	if !context.global.val {
+		context.global.val = 1
+	} else {
+		context.global.val += 1
+	}
+	fmt.println("global: ", context.global)
+	req := context.http.request
+	q := req.url.query
+	// List checking.
+	list := []
+	rng := int(q.range[0])
+	fmt.println("range:", q.range)
+	if rng {
+		pp.print(`<ul name="range">`)
+		for i:=0 ; i < rng ; i++ {
+			pp.printf("<li>%d</li>", i)
+		}
+		pp.print("</ul>")
+	}
+	if q.name {
+		pp.print("<div id=\"name\">", q.name[0], "</div>")
+	}
+}}
+<div name="counter">
+	{{ pp.print(context.global.val) }}
+</div>
+<div>
+	Hello, Cock!
+</div>
+<div check>
+	{{
+		pp.print(req.url.path)
+	}}
+</div>
+<ul>{{
+	for v in list {
+		pp.print("<li>", v, "</li>")
+	}
+}}</ul>
+
+{{
+	vals := ["die", "with", "them", "as", "you", 1, "could", "do"]
+	pp.print(html.div({
+		id: "the-uniq-shit"
+	}).body(
+		html.ul(
+		).body(
+			func(){
+				ret := []
+				for i:=0 ; i<len(vals) ; i++{
+					ret += [html.li({
+						class: "someclass"
+					}).body(i, ": ", vals[i])]
+				}
+				return ret
+			}()...
+		)
+	))
+}}
+
+<script src="/script.js" ></script>
+
+<div></div>
diff --git a/src/main.htm.tpp b/src/main.htm.tpp
index 437e465..b0febe7 100644
--- a/src/main.htm.tpp
+++ b/src/main.htm.tpp
@@ -1,27 +1,31 @@
 {{#
 	context.title = "The example.site main page"
+	
+	fmt := import("fmt")
+	html := import("html").new_render()
 }}
 
 
 <h1>This is the example page for the THT</h1>
 {{
-	/*if !context.global.int {
-		context.global.int = 0
-	} else {
-		context.global.int++
-	}*/
+	pp.print(
+		html.h1().body("This is the example page for THT")
+	)
 
-	fmt := import("fmt")
 	if !context.global.val {
 		context.global.val = 1
 	} else {
 		context.global.val += 1
 	}
-	fmt.println("global: ", context.global)
-	req := http.request
+
+	req
+	("global: ", context.global)
+}}
+
+{{
+	req := context.http.request
 	q := req.url.query
 	// List checking.
-	list := []
 	rng := int(q.range[0])
 	fmt.println("range:", q.range)
 	if rng {
@@ -35,43 +39,3 @@
 		pp.print("<div id=\"name\">", q.name[0], "</div>")
 	}
 }}
-<div name="counter">
-	{{ pp.print(context.global.val) }}
-</div>
-<div>
-	Hello, Cock!
-</div>
-<div check>
-	{{
-		pp.print(req.url.path)
-	}}
-</div>
-<ul>{{
-	for v in list {
-		pp.print("<li>", v, "</li>")
-	}
-}}</ul>
-
-{{
-	vals := ["die", "with", "them", "as", "you", 1, "could", "do"]
-	pp.print(html.div({
-		id: "the-uniq-shit"
-	}).body(
-		html.ul(
-		).body(
-			func(){
-				ret := []
-				for i:=0 ; i<len(vals) ; i++{
-					ret += [html.li({
-						class: "someclass"
-					}).body(i, ": ", vals[i])]
-				}
-				return ret
-			}()...
-		)
-	))
-}}
-
-<script src="/script.js" ></script>
-
-<div></div>
diff --git a/src/page.htm.tpp b/src/page.htm.tpp
index 9bedc46..f9fb15f 100644
--- a/src/page.htm.tpp
+++ b/src/page.htm.tpp
@@ -16,7 +16,7 @@ This is the markdown example shit.
 
 And even more text
 
-> Cheap is talk, show the code.
+> Cheap is talk, show me the code.
 
 (c) Linus Torvalds
 
diff --git a/tengo.go b/tengo.go
index a1c8c59..b2a6acc 100644
--- a/tengo.go
+++ b/tengo.go
@@ -48,39 +48,30 @@ func (pp *Tengo) Eval(
 	ctx context.Context,
 	recompile bool,
 	filePath string,
+	texts [][]byte,
 	preCode []byte,
 	codes [][]byte,
-) ([][]byte, error) {
-	var fullCodeBuf bytes.Buffer
+) ([]byte, error) {
+	var fullCodeBuf, retBuf bytes.Buffer
 	const retHead = `
 		context := {}
-		__ret_one__ := bytes("")
 		pp := immutable({
-			filepath: __filepath__,
-			printf : func(format, ...vals) {
-				__ret_one__ += __sprintf__(format, vals...)
-			},
-
-			print : func(...vals) {
-				__ret_one__ += __sprint__(vals...)
-			},
-			println : func(...vals) {
-				__ret_one__ += __sprintln__(vals...)
-			},
-			write_raw : func(bts) {
-				__ret_one__ += bytes(bts)
-			}
+			filepath: __pp_filepath__,
+			printf : __pp_printf__,
+			print : __pp_print__,
+			println : __pp_println__,
+			write_raw : __pp_write_raw__
 		})
 	`
 
 	const retSeparator = `
-		__separate__(__ret_one__)
-		__ret_one__ = ""
+		__separate__()
 	`
-	rets := [][]byte{}
+	//rets := [][]byte{}
 
 
 	fmt.Fprint(&fullCodeBuf, retHead)
+
 	if preCode != nil {
 		fmt.Fprintln(
 			&fullCodeBuf,
@@ -93,12 +84,22 @@ func (pp *Tengo) Eval(
 		fullCodeBuf.Write([]byte(retSeparator))
 	}
 
-	for _, code := range codes {
+	for i, code := range codes {
+		fmt.Fprintf(
+			&fullCodeBuf,
+			"\n__pp_write_raw__(%q)\n",
+			texts[i],
+		)
 		fmt.Fprintln(
 			&fullCodeBuf,
 			"\n" + string(code) + retSeparator,
 		)
 	}
+	fmt.Fprintf(
+		&fullCodeBuf,
+		"\n__pp_write_raw__(%q)\n",
+		texts[len(texts)-1],
+	)
 
 	if pp.postCode != nil {
 		fullCodeBuf.Write(pp.postCode(ctx))
@@ -110,8 +111,8 @@ func (pp *Tengo) Eval(
 		pp.preCompile(ctx, script)
 	}
 
-	script.Add("__filepath__", filePath)
-	script.Add("__sprintf__", &tengo.UserFunction{
+	script.Add("__pp_filepath__", filePath)
+	script.Add("__pp_printf__", &tengo.UserFunction{
 		Value: func(args ...tengo.Object) (tengo.Object, error){
 			if len(args) < 1 {
 				return nil, tengo.ErrWrongNumArguments
@@ -127,41 +128,64 @@ func (pp *Tengo) Eval(
 				gargs[i] = tengo.ToInterface(args[i+1])
 				//fmt.Printf("shit: %q\n", gargs[i])
 			}
-			str := fmt.Sprintf(format, gargs...)
-			return tengo.FromInterface([]byte(str))
+			fmt.Fprintf(&retBuf, format, gargs...)
+			return nil, nil
+			//return tengo.FromInterface([]byte(str))
 		},
 	})
-	script.Add("__sprint__", &tengo.UserFunction{
+	script.Add("__pp_print__", &tengo.UserFunction{
 		Value: func(args ...tengo.Object) (tengo.Object, error){
 			gargs := make([]any, len(args))
 			for i := range gargs {
 				gargs[i] = tengo.ToInterface(args[i])
 			}
-			str := fmt.Sprint(gargs...)
-			return tengo.FromInterface([]byte(str))
+			fmt.Fprint(&retBuf, gargs...)
+			return nil, nil
+			//return tengo.FromInterface([]byte(str))
 		},
 	})
-	script.Add("__sprintln__", &tengo.UserFunction{
+	script.Add("__pp_println__", &tengo.UserFunction{
 		Value: func(args ...tengo.Object) (tengo.Object, error){
 			gargs := make([]any, len(args))
 			for i := range gargs {
 				gargs[i] = tengo.ToInterface(args[i])
 			}
-			str := fmt.Sprintln(gargs...)
-			return tengo.FromInterface([]byte(str))
+			fmt.Fprintln(&retBuf, gargs...)
+			return nil, nil
+			//return tengo.FromInterface([]byte(str))
+		},
+	})
+	script.Add("__pp_write_raw__", &tengo.UserFunction{
+		Value: func(args ...tengo.Object) (tengo.Object, error){
+			bt := make([][]byte, len(args))
+			for i, o := range args {
+				bts, ok := tengo.ToByteSlice(o)
+				if !ok {
+					return nil, tengo.ErrInvalidArgumentType{
+						Expected: "string/bytes",
+					}
+				}
+				bt[i] = bts
+			}
+			for _, b := range bt {
+				retBuf.Write(b)
+			}
+			return nil, nil
 		},
 	})
 	script.Add("__separate__", &tengo.UserFunction{
 		Value: func(args ...tengo.Object) (tengo.Object, error){
-			if len(args) < 1 {
+			return nil, nil
+			/*if len(args) < 1 {
 				return nil, tengo.ErrWrongNumArguments
 			}
 			bts, ok := tengo.ToByteSlice(args[0])
 			if !ok {
 				return nil, tengo.ErrInvalidArgumentType{
 				}
-			}
-			rets = append(rets, bts)
+			}*/
+			//rets = append(rets, retBuf.Bytes())
+			//retBuf.Reset()
 			return nil, nil
 		},
 	})
@@ -171,5 +195,5 @@ func (pp *Tengo) Eval(
 		return nil, err
 	}
 
-	return rets, nil
+	return retBuf.Bytes(), nil
 }