anchor.diff:  				});
   			} else {
   				// options for svg editor
  -				CodeMirror.fromTextArea($('textarea#svg')[0], {
  +				editors[1] = CodeMirror.fromTextArea($('textarea#svg')[0], {
   					lineNumbers : true,
   					mode : {
   						name : "xml",
  
positive.code: 
  		enableEditor('options');
  
  		// syntax coloring, indent from codemirror
  		// callback editor
  		CodeMirror.fromTextArea($('textarea#callback')[0], {
  			id : 'test',
  			lineNumbers : true,
  			matchBrackets : true,
  
negative.code: <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Highcharts export server</title>
  <link rel="stylesheet" type="text/css" href="resources/css/demo.css" />
  <link rel="stylesheet" type="text/css" href="resources/css/codemirror.css" />
  <script src="resources/js//jquery-1.11.0.min.js"></script>
  <script src="resources/js/codemirror-compressed.js"></script>
  <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Source+Sans+Pro:200,400,700,400italic" type="text/css" />
  <script>
  	var editors = [];
  
  	$(document).ready(function() {
  
  		var enableEditor = function(id) {
  			if (id === 'options') {
  				editors[0] = CodeMirror.fromTextArea($('textarea#options')[0], {
  					lineNumbers : true,
  					matchBrackets : true,
  					tabMode : "indent",
  