Trust the returned tagnames of the parser

Author: Sebmaster

lib/jsdom/browser/htmltodom.js

@@ -158,7 +158,7 @@ function setChild(parent, node) {
     case 'script':
     case 'style':
       try {
-        newNode = currentDocument.createElement(node.name);
+        newNode = currentDocument._createElementNoTagNameValidation(node.name);
         if (node.location) {
           newNode.sourceLocation = node.location;
           newNode.sourceLocation.file = parent.sourceLocation.file;