Update to Octicons v7.3.0, regenerate.

Move constants on top of relevant function in generate.go.
This should make the code more readable.

Follows primer/octicons#220.

doc.go

@@ -1,6 +1,11 @@
 // Package octiconssvg provides GitHub Octicons in SVG format.
 package octiconssvg
 
+//go:generate curl -L -o octicons.tgz https://registry.npmjs.org/octicons/-/octicons-7.3.0.tgz
+//go:generate tar -xf octicons.tgz package/build/data.json
+//go:generate rm octicons.tgz
+//go:generate mv package/build/data.json _data/data.json
+//go:generate rmdir -p package/build
 //go:generate go run generate.go -o octicons.go
 //go:generate unconvert -apply
 //go:generate gofmt -w -s octicons.go

generate.go

@@ -105,8 +105,8 @@ func SetSize(icon *html.Node, size int) *html.Node {
 
 type octicon struct {
 	Path   string
-	Width  int `json:",string"`
-	Height int `json:",string"`
+	Width  int
+	Height int
 }
 
 func generateAndWriteOcticon(w io.Writer, octicons map[string]octicon, name string) {
@@ -128,6 +128,13 @@ func generateAndWriteOcticon(w io.Writer, octicons map[string]octicon, name stri
 	fmt.Fprintln(w, "}")
 }
 
+// These constants are used during generation of SetSize function.
+// Keep them in sync with generateOcticon below.
+const (
+	widthAttrIndex  = 1
+	heightAttrIndex = 2
+)
+
 func generateOcticon(o octicon) (svgXML string) {
 	path := o.Path
 	if strings.HasPrefix(path, `<path fill-rule="evenodd" `) {
@@ -140,13 +147,6 @@ func generateOcticon(o octicon) (svgXML string) {
 		o.Width, o.Height, o.Width, o.Height, path)
 }
 
-// These constants are used during generation of SetSize function.
-// Keep them in sync with generateOcticon.
-const (
-	widthAttrIndex  = 1
-	heightAttrIndex = 2
-)
-
 func parseOcticon(svgXML string) *html.Node {
 	e, err := html.ParseFragment(strings.NewReader(svgXML), nil)
 	if err != nil {