simplify tosvg

Author: archmoj

src/lib/search.js

@@ -64,7 +64,7 @@ exports.sorterDes = function(a, b) { return b - a; };
  */
 exports.distinctVals = function(valsIn) {
     var vals = valsIn.slice();  // otherwise we sort the original array...
-    vals.sort(exports.sorterAsc); // undefined listed in the end - also works on IE11
+    vals.sort(exports.sorterAsc); // undefined listed in the end
 
     var last;
     for(last = vals.length - 1; last > -1; last--) {

src/plots/plots.js

@@ -146,7 +146,7 @@ plots.addLinks = function(gd) {
 
     // If text's width is bigger than the layout
     // Check that text is a child node or document.body
-    // because otherwise IE/Edge might throw an exception
+    // because otherwise Edge might throw an exception
     // when calling getComputedTextLength().
     // Apparently offsetParent is null for invisibles.
     if(document.body.contains(text) && text.getComputedTextLength() >= (fullLayout.width - 20)) {

src/snapshot/tosvg.js

@@ -143,11 +143,6 @@ module.exports = function toSVG(gd, format, scale) {
             .attr('stroke-width', 0);
     }
 
-    // fix for IE namespacing quirk?
-    // http://stackoverflow.com/questions/19610089/unwanted-namespaces-on-svg-markup-when-using-xmlserializer-in-javascript-with-ie
-    svg.node().setAttributeNS(xmlnsNamespaces.xmlns, 'xmlns', xmlnsNamespaces.svg);
-    svg.node().setAttributeNS(xmlnsNamespaces.xmlns, 'xmlns:xlink', xmlnsNamespaces.xlink);
-
     if(format === 'svg' && scale) {
         svg.attr('width', scale * width);
         svg.attr('height', scale * height);