Cleaning up doc blocks.

Removing commented out code.
Removing use of a()

cake/libs/xml.php

@@ -815,19 +815,19 @@ class Xml extends XmlNode {
  * Constructor.  Sets up the XML parser with options, gives it this object as
  * its XML object, and sets some variables.
  *
+ * ### Options
+ * - 'root': The name of the root element, defaults to '#document'
+ * - 'version': The XML version, defaults to '1.0'
+ * - 'encoding': Document encoding, defaults to 'UTF-8'
+ * - 'namespaces': An array of namespaces (as strings) used in this document
+ * - 'format': Specifies the format this document converts to when parsed or
+ *    rendered out as text, either 'attributes' or 'tags', defaults to 'attributes'
+ * - 'tags': An array specifying any tag-specific formatting options, indexed
+ *    by tag name.  See XmlNode::normalize().
  * @param mixed $input The content with which this XML document should be initialized.  Can be a
- *                     string, array or object.  If a string is specified, it may be a literal XML
- *                     document, or a URL or file path to read from.
- * @param array $options Options to set up with, valid options are as follows:
- *                      - 'root': The name of the root element, defaults to '#document'
- *                      - 'version': The XML version, defaults to '1.0'
- *                      - 'encoding': Document encoding, defaults to 'UTF-8'
- *                      - 'namespaces': An array of namespaces (as strings) used in this document
- *                      - 'format': Specifies the format this document converts to when parsed or
- *                         rendered out as text, either 'attributes' or 'tags',
- *                         defaults to 'attributes'
- *                       - 'tags': An array specifying any tag-specific formatting options, indexed
- *                         by tag name.  See XmlNode::normalize().
+ *    string, array or object.  If a string is specified, it may be a literal XML
+ *    document, or a URL or file path to read from.
+ * @param array $options Options to set up with, for valid options see above:
  * @see XmlNode::normalize()
  */
 	function __construct($input = null, $options = array()) {
@@ -856,9 +856,6 @@ function __construct($input = null, $options = array()) {
 				$Root->append($input, $options);
 			}
 		}
-		// if (Configure::read('App.encoding') !== null) {
-		// 	$this->encoding = Configure::read('App.encoding');
-		// }
 	}
 /**
  * Initialize XML object from a given XML string. Returns false on error.
@@ -900,8 +897,8 @@ function parse() {
 		$this->__initParser();
 		$this->__rawData = trim($this->__rawData);
 		$this->__header = trim(str_replace(
-			a('<' . '?', '?' . '>'),
-			a('', ''),
+			array('<' . '?', '?' . '>'),
+			array('', ''),
 			substr($this->__rawData, 0, strpos($this->__rawData, '?' . '>'))
 		));