Requesting support for tspan about svgo HOT 4 CLOSED

// Textspan begins text, assuming a tspan will be included, end with TextEnd()
// Standard Reference: https://www.w3.org/TR/SVG11/text.html#TSpanElement
func (svg *SVG) Textspan(x int, y int, t string, s ...string) {
	svg.printf(`<text %s %s`, loc(x, y), endstyle(s, ">"))
	xml.Escape(svg.Writer, []byte(t))
}

// Span makes styled spanned text, should be proceeded by Textspan
// Standard Reference: https://www.w3.org/TR/SVG11/text.html#TSpanElement
func (svg *SVG) Span(t string, s ...string) {
	if len(s) == 0 {
		xml.Escape(svg.Writer, []byte(t))
		return
	}
	svg.printf(`<tspan %s`, endstyle(s, ">"))
	xml.Escape(svg.Writer, []byte(t))
	svg.printf(`</tspan>`)
}

// TextEnd ends spanned text
// Standard Reference: https://www.w3.org/TR/SVG11/text.html#TSpanElement
func (svg *SVG) TextEnd() {
	svg.println(`</text>`)
}

package main

import (
	"os"

	svg "github.com/ajstarks/svgo"
)

func main() {
	width := 500
	height := 500
	canvas := svg.New(os.Stdout)
	canvas.Start(width, height)
	canvas.Circle(width/2, height/2, 100)
	canvas.Gstyle("text-anchor:middle;fill:white")
	canvas.Textspan(width/2, height/2, "Hello ", "font-size:30px")
	canvas.Span("SVG", "font-size:50px")
	canvas.TextEnd()
	canvas.Gend()
	canvas.End()
}