gistfile1.txt

var XMLS = new XMLSerializer(); 

var html = d3.select("svg")
        .attr("title", "sdfsdfsdf")
        .attr("version", 1.1)
        .attr("xmlns", "http://www.w3.org/2000/svg")
        .node();
html.setAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink" )
d3.select("body").append("div")
        .attr("id", "download")
        .html("Right-click on this preview and choose Save as<br />Left-Click to dismiss<br />")
        .append("img")
        .attr("src", "data:image/svg+xml;base64,"+ btoa(XMLS.serializeToString(html)));