This is a temporary fix - warning.

johnnye · johnnye · commit 2e00b0faf4d5 · 2013-07-25T15:11:50.000+01:00
diff --git a/library/HTML5/TreeBuilder.php b/library/HTML5/TreeBuilder.php
@@ -3157,7 +3157,12 @@ public function emitToken($token, $mode = null) {
         }
 
     private function insertElement($token, $append = true) {
-        $el = $this->dom->createElementNS(self::NS_HTML, $token['name']);
+        //TODO: This is a hack. 
+        try{
+            $el = $this->dom->createElementNS(self::NS_HTML, $token['name']);
+        }catch (Exception $e){
+            return;
+        }
 
         if (!empty($token['attr'])) {
             foreach($token['attr'] as $attr) {
