Fix docblocks to comments

Author: keradus

Encoder/XmlEncoder.php

@@ -313,11 +313,9 @@ private function buildXml(\DOMElement $parentNode, $data, $xmlRootNodeName = nul
                 } elseif ($key === '#') {
                     $append = $this->selectNodeType($parentNode, $data);
                 } elseif (is_array($data) && false === is_numeric($key)) {
-                    /**
-                     * Is this array fully numeric keys?
-                     */
+                    // Is this array fully numeric keys?
                     if (ctype_digit(implode('', array_keys($data)))) {
-                        /**
+                        /*
                          * Create nodes to append to $parentNode based on the $key of this array
                          * Produces <xml><item>0</item><item>1</item></xml>
                          * From array("item" => array(0,1));.