diff --git a/draw2dsvg/doc.go b/draw2dsvg/doc.go
index f07708f..033aaa2 100644
--- a/draw2dsvg/doc.go
+++ b/draw2dsvg/doc.go
@@ -2,10 +2,10 @@
 // created: 16/12/2017 by Drahoslav Bednář
 
 // Package draw2svg provides a graphic context that can draw
-// vector graphics and text on svg file using the svgo package.
+// vector graphics and text on svg file.
 //
 // Quick Start
 // The following Go code geneartes a simple drawing and saves it
 // to a svg document:
-// 	// TODO
+// TODO
 package draw2dsvg
diff --git a/draw2dsvg/gc.go b/draw2dsvg/gc.go
index 884828b..ac1f98c 100644
--- a/draw2dsvg/gc.go
+++ b/draw2dsvg/gc.go
@@ -11,10 +11,6 @@ import (
 	"strings"
 )
 
-const ()
-
-var ()
-
 type drawType int
 
 const (
@@ -22,15 +18,6 @@ const (
 	stroked
 )
 
-type SVG bytes.Buffer
-
-func NewSvg() *Svg {
-	return &Svg{
-		Xmlns:      "http://www.w3.org/2000/svg",
-		FillStroke: FillStroke{Fill: "none", Stroke: "none"},
-	}
-}
-
 // GraphicContext implements the draw2d.GraphicContext interface
 // It provides draw2d with a svg backend
 type GraphicContext struct {
@@ -210,5 +197,5 @@ func (gc *GraphicContext) GetStringBounds(s string) (left, top, right, bottom fl
 
 // CreateStringPath creates a path from the string s at x, y
 func (gc *GraphicContext) CreateStringPath(text string, x, y float64) (cursor float64) {
-	return 0
+	return 0 // TODO use glyphCache for creating string path
 }
diff --git a/draw2dsvg/svg.go b/draw2dsvg/svg.go
index 0867036..baad46e 100644
--- a/draw2dsvg/svg.go
+++ b/draw2dsvg/svg.go
@@ -16,6 +16,13 @@ type Svg struct {
 	FillStroke
 }
 
+func NewSvg() *Svg {
+	return &Svg{
+		Xmlns:      "http://www.w3.org/2000/svg",
+		FillStroke: FillStroke{Fill: "none", Stroke: "none"},
+	}
+}
+
 type Group struct {
 	FillStroke
 	Transform string   `xml:"transform,attr,omitempty"`