fix

@@ -446,7 +446,7 @@ Casper.prototype.clickLabel = function clickLabel(label, tag) {
     this.checkStarted();
     tag = tag || "*";
     var escapedLabel = utils.quoteXPathAttributeString(label);
-    var selector = selectXPath(f('//%s[text()="%s"]', tag, escapedLabel));
+    var selector = selectXPath(f('//%s[text()=%s]', tag, escapedLabel));
     return this.click(selector);
 };
 

@@ -636,9 +636,9 @@ exports.objectValues = objectValues;
 function quoteXPathAttributeString(string) {
     "use strict";
     if (/"/g.test(str)) {
-        return 'concat("' + str.toString().replace(/"/g, '", \'"\', "') + '")';
+        return '\'concat("' + str.toString().replace(/"/g, '", \'"\', "') + '")\'';
     } else {
-        return '"' + str + '"';
+        return '\'"' + str + '"\'';
     }
 }
 exports.quoteXPathAttributeString = quoteXPathAttributeString;