Fixed double-space typo.

102 files changed, 986 insertions, 986 deletions

diff --git a/system/core/Benchmark.php b/system/core/Benchmark.php
index 515550e9f..3686c2d73 100644
--- a/system/core/Benchmark.php
+++ b/system/core/Benchmark.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -19,7 +19,7 @@
  * CodeIgniter Benchmark Class
  *
  * This class enables you to mark points and calculate the time difference
- * between them.  Memory consumption can also be displayed.
+ * between them. Memory consumption can also be displayed.
  *
  * @package		CodeIgniter
  * @subpackage	Libraries
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 03b25ab9e..b6f5e872c 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -29,28 +29,28 @@
 
 /*
  * ------------------------------------------------------
- *  Define the CodeIgniter Version
+ * Define the CodeIgniter Version
  * ------------------------------------------------------
  */
 	define('CI_VERSION', '2.0.2');
 
 /*
  * ------------------------------------------------------
- *  Define the CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
+ * Define the CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
  * ------------------------------------------------------
  */
 	define('CI_CORE', FALSE);
 
 /*
  * ------------------------------------------------------
- *  Load the global functions
+ * Load the global functions
  * ------------------------------------------------------
  */
 	require(BASEPATH.'core/Common.php');
 
 /*
  * ------------------------------------------------------
- *  Load the framework constants
+ * Load the framework constants
  * ------------------------------------------------------
  */
 	if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/constants.php'))
@@ -64,7 +64,7 @@
 
 /*
  * ------------------------------------------------------
- *  Define a custom error handler so we can log PHP errors
+ * Define a custom error handler so we can log PHP errors
  * ------------------------------------------------------
  */
 	set_error_handler('_exception_handler');
@@ -76,7 +76,7 @@
 
 /*
  * ------------------------------------------------------
- *  Set the subclass_prefix
+ * Set the subclass_prefix
  * ------------------------------------------------------
  *
  * Normally the "subclass_prefix" is set in the config file.
@@ -85,7 +85,7 @@
  * "libraries" folder. Since CI allows config items to be
  * overriden via data set in the main index. php file,
  * before proceeding we need to know if a subclass_prefix
- * override exists.  If so, we will set this value now,
+ * override exists. If so, we will set this value now,
  * before any classes are loaded
  * Note: Since the config file data is cached it doesn't
  * hurt to load it here.
@@ -97,7 +97,7 @@
 
 /*
  * ------------------------------------------------------
- *  Set a liberal script execution time limit
+ * Set a liberal script execution time limit
  * ------------------------------------------------------
  */
 	if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0)
@@ -107,7 +107,7 @@
 
 /*
  * ------------------------------------------------------
- *  Start the timer... tick tock tick tock...
+ * Start the timer... tick tock tick tock...
  * ------------------------------------------------------
  */
 	$BM =& load_class('Benchmark', 'core');
@@ -116,21 +116,21 @@
 
 /*
  * ------------------------------------------------------
- *  Instantiate the hooks class
+ * Instantiate the hooks class
  * ------------------------------------------------------
  */
 	$EXT =& load_class('Hooks', 'core');
 
 /*
  * ------------------------------------------------------
- *  Is there a "pre_system" hook?
+ * Is there a "pre_system" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('pre_system');
 
 /*
  * ------------------------------------------------------
- *  Instantiate the config class
+ * Instantiate the config class
  * ------------------------------------------------------
  */
 	$CFG =& load_class('Config', 'core');
@@ -143,7 +143,7 @@
 
 /*
  * ------------------------------------------------------
- *  Instantiate the UTF-8 class
+ * Instantiate the UTF-8 class
  * ------------------------------------------------------
  *
  * Note: Order here is rather important as the UTF-8
@@ -157,14 +157,14 @@
 
 /*
  * ------------------------------------------------------
- *  Instantiate the URI class
+ * Instantiate the URI class
  * ------------------------------------------------------
  */
 	$URI =& load_class('URI', 'core');
 
 /*
  * ------------------------------------------------------
- *  Instantiate the routing class and set the routing
+ * Instantiate the routing class and set the routing
  * ------------------------------------------------------
  */
 	$RTR =& load_class('Router', 'core');
@@ -178,14 +178,14 @@
 
 /*
  * ------------------------------------------------------
- *  Instantiate the output class
+ * Instantiate the output class
  * ------------------------------------------------------
  */
 	$OUT =& load_class('Output', 'core');
 
 /*
  * ------------------------------------------------------
- *	Is there a valid cache file?  If so, we're done...
+ *	Is there a valid cache file? If so, we're done...
  * ------------------------------------------------------
  */
 	if ($EXT->_call_hook('cache_override') === FALSE)
@@ -205,21 +205,21 @@
 
 /*
  * ------------------------------------------------------
- *  Load the Input class and sanitize globals
+ * Load the Input class and sanitize globals
  * ------------------------------------------------------
  */
 	$IN	=& load_class('Input', 'core');
 
 /*
  * ------------------------------------------------------
- *  Load the Language class
+ * Load the Language class
  * ------------------------------------------------------
  */
 	$LANG =& load_class('Lang', 'core');
 
 /*
  * ------------------------------------------------------
- *  Load the app controller and local controller
+ * Load the app controller and local controller
  * ------------------------------------------------------
  *
  */
@@ -252,14 +252,14 @@
 
 /*
  * ------------------------------------------------------
- *  Security check
+ * Security check
  * ------------------------------------------------------
  *
- *  None of the functions in the app controller or the
- *  loader class can be called via the URI, nor can
- *  controller functions that begin with an underscore
+ * None of the functions in the app controller or the
+ * loader class can be called via the URI, nor can
+ * controller functions that begin with an underscore
  */
-	$class  = $RTR->fetch_class();
+	$class = $RTR->fetch_class();
 	$method = $RTR->fetch_method();
 
 	if ( ! class_exists($class)
@@ -272,14 +272,14 @@
 
 /*
  * ------------------------------------------------------
- *  Is there a "pre_controller" hook?
+ * Is there a "pre_controller" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('pre_controller');
 
 /*
  * ------------------------------------------------------
- *  Instantiate the requested controller
+ * Instantiate the requested controller
  * ------------------------------------------------------
  */
 	// Mark a start point so we can benchmark the controller
@@ -289,14 +289,14 @@
 
 /*
  * ------------------------------------------------------
- *  Is there a "post_controller_constructor" hook?
+ * Is there a "post_controller_constructor" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('post_controller_constructor');
 
 /*
  * ------------------------------------------------------
- *  Call the requested method
+ * Call the requested method
  * ------------------------------------------------------
  */
 	// Is there a "remap" function? If so, we call it instead
@@ -345,14 +345,14 @@
 
 /*
  * ------------------------------------------------------
- *  Is there a "post_controller" hook?
+ * Is there a "post_controller" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('post_controller');
 
 /*
  * ------------------------------------------------------
- *  Send the final rendered output to the browser
+ * Send the final rendered output to the browser
  * ------------------------------------------------------
  */
 	if ($EXT->_call_hook('display_override') === FALSE)
@@ -362,14 +362,14 @@
 
 /*
  * ------------------------------------------------------
- *  Is there a "post_system" hook?
+ * Is there a "post_system" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('post_system');
 
 /*
  * ------------------------------------------------------
- *  Close the DB connection if one exists
+ * Close the DB connection if one exists
  * ------------------------------------------------------
  */
 	if (class_exists('CI_DB') AND isset($CI->db))
diff --git a/system/core/Common.php b/system/core/Common.php
index d1e8e77e9..eb9e14425 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -58,7 +58,7 @@
  * Tests for file writability
  *
  * is_writable() returns TRUE on Windows servers when you really can't write to
- * the file, based on the read-only attribute.  is_writable() is also unreliable
+ * the file, based on the read-only attribute. is_writable() is also unreliable
  * on Unix servers if safe_mode is on.
  *
  * @access	private
@@ -73,7 +73,7 @@
 		}
 
 		// For windows servers and safe_mode "on" installations we'll actually
-		// write a file then read it.  Bah...
+		// write a file then read it. Bah...
 		if (is_dir($file))
 		{
 			$file = rtrim($file, '/').'/'.md5(mt_rand(1,100).mt_rand(1,100));
@@ -102,8 +102,8 @@
 /**
 * Class registry
 *
-* This function acts as a singleton.  If the requested class does not
-* exist it is instantiated and set to a static variable.  If it has
+* This function acts as a singleton. If the requested class does not
+* exist it is instantiated and set to a static variable. If it has
 * previously been instantiated the variable is returned.
 *
 * @access	public
@@ -116,7 +116,7 @@
 	{
 		static $_classes = array();
 
-		// Does the class exist?  If so, we're done...
+		// Does the class exist? If so, we're done...
 		if (isset($_classes[$class]))
 		{
 			return $_classes[$class];
@@ -141,7 +141,7 @@
 			}
 		}
 
-		// Is the request a class extension?  If so we load it too
+		// Is the request a class extension? If so we load it too
 		if (file_exists(APPPATH.$directory.'/'.config_item('subclass_prefix').$class.'.php'))
 		{
 			$name = config_item('subclass_prefix').$class;
@@ -170,7 +170,7 @@
 // --------------------------------------------------------------------
 
 /**
-* Keeps track of which libraries have been loaded.  This function is
+* Keeps track of which libraries have been loaded. This function is
 * called by the load_class() function above
 *
 * @access	public
@@ -399,7 +399,7 @@
 
 		if ($text == '')
 		{
-			show_error('No status text available.  Please check your status code number or supply your own message text.', 500);
+			show_error('No status text available. Please check your status code number or supply your own message text.', 500);
 		}
 
 		$server_protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : FALSE;
@@ -424,7 +424,7 @@
 * Exception Handler
 *
 * This is the custom exception handler that is declaired at the top
-* of Codeigniter.php.  The main reason we use this is to permit
+* of Codeigniter.php. The main reason we use this is to permit
 * PHP errors to be logged in our own log files since the user may
 * not have access to server logs. Since this function
 * effectively intercepts PHP errors, however, we also need
@@ -455,7 +455,7 @@
 			$_error->show_php_error($severity, $message, $filepath, $line);
 		}
 
-		// Should we log the error?  No?  We're done...
+		// Should we log the error? No? We're done...
 		if (config_item('log_threshold') == 0)
 		{
 			return;
@@ -479,16 +479,16 @@
 	function remove_invisible_characters($str, $url_encoded = TRUE)
 	{
 		$non_displayables = array();
-		
+
 		// every control character except newline (dec 10)
 		// carriage return (dec 13), and horizontal tab (dec 09)
-		
+
 		if ($url_encoded)
 		{
 			$non_displayables[] = '/%0[0-8bcef]/';	// url encoded 00-08, 11, 12, 14, 15
 			$non_displayables[] = '/%1[0-9a-f]/';	// url encoded 16-31
 		}
-		
+
 		$non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S';	// 00-08, 11, 12, 14-31, 127
 
 		do
diff --git a/system/core/Config.php b/system/core/Config.php
index 1096a9ea6..fa71f4d3d 100644
--- a/system/core/Config.php
+++ b/system/core/Config.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -37,11 +37,11 @@ class CI_Config {
 	 *
 	 * Sets the $config data from the primary config.php file as a class variable
 	 *
-	 * @access   public
-	 * @param   string	the config file name
-	 * @param   boolean  if configuration values should be loaded into their own section
-	 * @param   boolean  true if errors should just return false, false if an error message should be displayed
-	 * @return  boolean  if the file was successfully loaded or not
+	 * @access  public
+	 * @param  string	the config file name
+	 * @param  boolean if configuration values should be loaded into their own section
+	 * @param  boolean true if errors should just return false, false if an error message should be displayed
+	 * @return boolean if the file was successfully loaded or not
 	 */
 	function __construct()
 	{
@@ -74,8 +74,8 @@ class CI_Config {
 	 *
 	 * @access	public
 	 * @param	string	the config file name
-	 * @param   boolean  if configuration values should be loaded into their own section
-	 * @param   boolean  true if errors should just return false, false if an error message should be displayed
+	 * @param  boolean if configuration values should be loaded into their own section
+	 * @param  boolean true if errors should just return false, false if an error message should be displayed
 	 * @return	boolean	if the file was loaded correctly
 	 */
 	function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
@@ -305,7 +305,7 @@ class CI_Config {
 	 * Assign to Config
 	 *
 	 * This function is called by the front controller (CodeIgniter.php)
-	 * after the Config class is instantiated.  It permits config items
+	 * after the Config class is instantiated. It permits config items
 	 * to be assigned or overriden by variables contained in the index.php file
 	 *
 	 * @access	private
diff --git a/system/core/Controller.php b/system/core/Controller.php
index ec86b7920..107d3f346 100644
--- a/system/core/Controller.php
+++ b/system/core/Controller.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -37,7 +37,7 @@ class CI_Controller {
 	public function __construct()
 	{
 		self::$instance =& $this;
-		
+
 		// Assign all the class objects that were instantiated by the
 		// bootstrap file (CodeIgniter.php) to local class variables
 		// so that CI can run as one big super object.
@@ -49,7 +49,7 @@ class CI_Controller {
 		$this->load =& load_class('Loader', 'core');
 
 		$this->load->set_base_classes()->ci_autoloader();
-		
+
 		log_message('debug', "Controller Class Initialized");
 	}
 
diff --git a/system/core/Exceptions.php b/system/core/Exceptions.php
index bff86a92f..2503c907f 100644
--- a/system/core/Exceptions.php
+++ b/system/core/Exceptions.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -54,7 +54,7 @@ class CI_Exceptions {
 	public function __construct()
 	{
 		$this->ob_level = ob_get_level();
-		// Note:  Do not log messages from this constructor.
+		// Note: Do not log messages from this constructor.
 	}
 
 	// --------------------------------------------------------------------
@@ -75,7 +75,7 @@ class CI_Exceptions {
 	{
 		$severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
 
-		log_message('error', 'Severity: '.$severity.'  --> '.$message. ' '.$filepath.' '.$line, TRUE);
+		log_message('error', 'Severity: '.$severity.' --> '.$message. ' '.$filepath.' '.$line, TRUE);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/core/Hooks.php b/system/core/Hooks.php
index fd6380f0a..ffb3258d8 100644
--- a/system/core/Hooks.php
+++ b/system/core/Hooks.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -67,7 +67,7 @@ class CI_Hooks {
 
 		if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/hooks.php'))
 		{
-		    include(APPPATH.'config/'.ENVIRONMENT.'/hooks.php');
+		  include(APPPATH.'config/'.ENVIRONMENT.'/hooks.php');
 		}
 		elseif (is_file(APPPATH.'config/hooks.php'))
 		{
diff --git a/system/core/Input.php b/system/core/Input.php
index dc7612e64..89eda56b0 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -36,7 +36,7 @@ class CI_Input {
 	var $_enable_csrf			= FALSE; // Set automatically based on config setting
 
 	protected $headers			= array();
-	
+
 
 	/**
 	 * Constructor
@@ -147,7 +147,7 @@ class CI_Input {
 			}
 			return $post;
 		}
-		
+
 		return $this->_fetch_from_array($_POST, $index, $xss_clean);
 	}
 
@@ -201,7 +201,7 @@ class CI_Input {
 	* @param	mixed
 	* @param	string	the value of the cookie
 	* @param	string	the number of seconds until expiration
-	* @param	string	the cookie domain.  Usually:  .yourdomain.com
+	* @param	string	the cookie domain. Usually: .yourdomain.com
 	* @param	string	the cookie path
 	* @param	string	the cookie prefix
 	* @param	bool	true makes the cookie secure
@@ -402,9 +402,9 @@ class CI_Input {
 	function _sanitize_globals()
 	{
 		// It would be "wrong" to unset any of these GLOBALS.
-		$protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST', 
+		$protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST',
 							'_SESSION', '_ENV', 'GLOBALS', 'HTTP_RAW_POST_DATA',
-							'system_folder', 'application_folder', 'BM', 'EXT', 
+							'system_folder', 'application_folder', 'BM', 'EXT',
 							'CFG', 'URI', 'RTR', 'OUT', 'IN');
 
 		// Unset globals for securiy.
@@ -523,7 +523,7 @@ class CI_Input {
 		{
 			$str = $this->uni->clean_string($str);
 		}
-		
+
 		// Remove control characters
 		$str = remove_invisible_characters($str);
 
@@ -579,7 +579,7 @@ class CI_Input {
 	/**
 	 * Request Headers
 	 *
-	 * In Apache, you can simply call apache_request_headers(), however for 
+	 * In Apache, you can simply call apache_request_headers(), however for
 	 * people running other webservers the function is undefined.
 	 *
 	 * @return array
@@ -609,10 +609,10 @@ class CI_Input {
 		{
 			$key = str_replace('_', ' ', strtolower($key));
 			$key = str_replace(' ', '-', ucwords($key));
-			
+
 			$this->headers[$key] = $val;
 		}
-		
+
 		return $this->headers;
 	}
 
@@ -633,7 +633,7 @@ class CI_Input {
 		{
 			$this->request_headers();
 		}
-		
+
 		if ( ! isset($this->headers[$index]))
 		{
 			return FALSE;
@@ -644,7 +644,7 @@ class CI_Input {
 			return $this->security->xss_clean($this->headers[$index]);
 		}
 
-		return $this->headers[$index];		
+		return $this->headers[$index];
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/core/Lang.php b/system/core/Lang.php
index 170e6c725..79eb443a0 100644
--- a/system/core/Lang.php
+++ b/system/core/Lang.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 721c196cc..87f05d86e 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -40,7 +40,7 @@ class CI_Loader {
 	protected $_ci_loaded_files		= array();
 	protected $_ci_models			= array();
 	protected $_ci_helpers			= array();
-	protected $_ci_varmap			= array('unit_test' => 'unit', 
+	protected $_ci_varmap			= array('unit_test' => 'unit',
 											'user_agent' => 'agent');
 
 	/**
@@ -50,29 +50,29 @@ class CI_Loader {
 	 */
 	public function __construct()
 	{
-		$this->_ci_ob_level  = ob_get_level();
+		$this->_ci_ob_level = ob_get_level();
 		$this->_ci_library_paths = array(APPPATH, BASEPATH);
 		$this->_ci_helper_paths = array(APPPATH, BASEPATH);
 		$this->_ci_model_paths = array(APPPATH);
 		$this->_ci_view_paths = array(APPPATH.'views/'	=> TRUE);
-		
+
 		log_message('debug', "Loader Class Initialized");
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Set _base_classes variable
 	 *
 	 * This method is called once in CI_Controller.
 	 *
-	 * @param 	array 	
+	 * @param 	array
 	 * @return 	object
 	 */
 	public function set_base_classes()
 	{
 		$this->_base_classes =& is_loaded();
-		
+
 		return $this;
 	}
 
@@ -96,7 +96,7 @@ class CI_Loader {
 		{
 			return $this->_ci_classes[$class];
 		}
-				
+
 		return FALSE;
 	}
 
@@ -260,7 +260,7 @@ class CI_Loader {
 			return DB($params, $active_record);
 		}
 
-		// Initialize the db variable.  Needed to prevent
+		// Initialize the db variable. Needed to prevent
 		// reference errors with some configurations
 		$CI->db = '';
 
@@ -323,11 +323,11 @@ class CI_Loader {
 	/**
 	 * Load View
 	 *
-	 * This function is used to load a "view" file.  It has three parameters:
+	 * This function is used to load a "view" file. It has three parameters:
 	 *
 	 * 1. The name of the "view" file to be included.
 	 * 2. An associative array of data to be extracted for use in the view.
-	 * 3. TRUE/FALSE - whether to return the data or load it.  In
+	 * 3. TRUE/FALSE - whether to return the data or load it. In
 	 * some cases it's advantageous to be able to return data so that
 	 * a developer can process it in some way.
 	 *
@@ -538,13 +538,13 @@ class CI_Loader {
 	 * Prepends a parent path to the library, model, helper, and config path arrays
 	 *
 	 * @param	string
-	 * @param 	boolean 	
+	 * @param 	boolean
 	 * @return	void
 	 */
 	public function add_package_path($path, $view_cascade=TRUE)
 	{
 		$path = rtrim($path, '/').'/';
-		
+
 		array_unshift($this->_ci_library_paths, $path);
 		array_unshift($this->_ci_model_paths, $path);
 		array_unshift($this->_ci_helper_paths, $path);
@@ -604,7 +604,7 @@ class CI_Loader {
 					unset($this->{$var}[$key]);
 				}
 			}
-			
+
 			if (isset($this->_ci_view_paths[$path.'views/']))
 			{
 				unset($this->_ci_view_paths[$path.'views/']);
@@ -643,7 +643,7 @@ class CI_Loader {
 		{
 			$$_ci_val = ( ! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val];
 		}
-		
+
 		$file_exists = FALSE;
 
 		// Set the path to the requested file
@@ -665,11 +665,11 @@ class CI_Loader {
 					$file_exists = TRUE;
 					break;
 				}
-				
+
 				if ( ! $cascade)
 				{
 					break;
-				}				
+				}
 			}
 		}
 
@@ -710,9 +710,9 @@ class CI_Loader {
 		 * We buffer the output for two reasons:
 		 * 1. Speed. You get a significant speed boost.
 		 * 2. So that the final rendered template can be
-		 * post-processed by the output class.  Why do we
-		 * need post processing?  For one thing, in order to
-		 * show the elapsed page load time.  Unless we
+		 * post-processed by the output class. Why do we
+		 * need post processing? For one thing, in order to
+		 * show the elapsed page load time. Unless we
 		 * can intercept the content right before it's sent to
 		 * the browser and then stop the timer it won't be accurate.
 		 */
@@ -809,11 +809,11 @@ class CI_Loader {
 					show_error("Unable to load the requested class: ".$class);
 				}
 
-				// Safety:  Was the class already loaded by a previous call?
+				// Safety: Was the class already loaded by a previous call?
 				if (in_array($subclass, $this->_ci_loaded_files))
 				{
 					// Before we deem this to be a duplicate request, let's see
-					// if a custom object name is being supplied.  If so, we'll
+					// if a custom object name is being supplied. If so, we'll
 					// return a new instance of the object
 					if ( ! is_null($object_name))
 					{
@@ -842,17 +842,17 @@ class CI_Loader {
 			{
 				$filepath = $path.'libraries/'.$subdir.$class.'.php';
 
-				// Does the file exist?  No?  Bummer...
+				// Does the file exist? No? Bummer...
 				if ( ! file_exists($filepath))
 				{
 					continue;
 				}
 
-				// Safety:  Was the class already loaded by a previous call?
+				// Safety: Was the class already loaded by a previous call?
 				if (in_array($filepath, $this->_ci_loaded_files))
 				{
 					// Before we deem this to be a duplicate request, let's see
-					// if a custom object name is being supplied.  If so, we'll
+					// if a custom object name is being supplied. If so, we'll
 					// return a new instance of the object
 					if ( ! is_null($object_name))
 					{
@@ -875,7 +875,7 @@ class CI_Loader {
 
 		} // END FOREACH
 
-		// One last attempt.  Maybe the library is in a subdirectory, but it wasn't specified?
+		// One last attempt. Maybe the library is in a subdirectory, but it wasn't specified?
 		if ($subdir == '')
 		{
 			$path = strtolower($class).'/'.$class;
@@ -903,7 +903,7 @@ class CI_Loader {
 	 */
 	protected function _ci_init_class($class, $prefix = '', $config = FALSE, $object_name = NULL)
 	{
-		// Is there an associated config file for this class?  Note: these should always be lowercase
+		// Is there an associated config file for this class? Note: these should always be lowercase
 		if ($config === NULL)
 		{
 			// Fetch the config paths containing any package paths
@@ -970,7 +970,7 @@ class CI_Loader {
 		}
 
 		// Set the variable name we will assign the class to
-		// Was a custom class name supplied?  If so we'll use it
+		// Was a custom class name supplied? If so we'll use it
 		$class = strtolower($class);
 
 		if (is_null($object_name))
@@ -1005,7 +1005,7 @@ class CI_Loader {
 	 * The config/autoload.php file contains an array that permits sub-systems,
 	 * libraries, and helpers to be loaded automatically.
 	 *
-	 * This function is public, as it's used in the CI_Controller class.  
+	 * This function is public, as it's used in the CI_Controller class.
 	 * However, there is no reason you should ever needs to use it.
 	 *
 	 * @param	array
@@ -1021,7 +1021,7 @@ class CI_Loader {
 		{
 			include_once(APPPATH.'config/autoload.php');
 		}
-		
+
 
 		if ( ! isset($autoload))
 		{
diff --git a/system/core/Model.php b/system/core/Model.php
index 8566a0b66..61c71b672 100644
--- a/system/core/Model.php
+++ b/system/core/Model.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/core/Output.php b/system/core/Output.php
index 05ace919c..562dbb86b 100644
--- a/system/core/Output.php
+++ b/system/core/Output.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -44,7 +44,7 @@ class CI_Output {
 		// Get mime types for later
 		if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
 		{
-		    include APPPATH.'config/'.ENVIRONMENT.'/mimes.php';
+		  include APPPATH.'config/'.ENVIRONMENT.'/mimes.php';
 		}
 		else
 		{
@@ -122,7 +122,7 @@ class CI_Output {
 	 *
 	 * Lets you set a server header which will be outputted with the final display.
 	 *
-	 * Note:  If a file is cached, headers will not be sent.  We need to figure out
+	 * Note: If a file is cached, headers will not be sent. We need to figure out
 	 * how to permit header data to be saved with the cache data...
 	 *
 	 * @access	public
@@ -261,7 +261,7 @@ class CI_Output {
 	 * $this->final_output
 	 *
 	 * This function sends the finalized output data to the browser along
-	 * with any server headers and profile data.  It also stops the
+	 * with any server headers and profile data. It also stops the
 	 * benchmark timer so the page rendering speed and memory usage can be shown.
 	 *
 	 * @access	public
@@ -269,7 +269,7 @@ class CI_Output {
 	 */
 	function _display($output = '')
 	{
-		// Note:  We use globals because we can't use $CI =& get_instance()
+		// Note: We use globals because we can't use $CI =& get_instance()
 		// since this function is sometimes called by the caching mechanism,
 		// which happens before the CI super object is available.
 		global $BM, $CFG;
@@ -290,7 +290,7 @@ class CI_Output {
 
 		// --------------------------------------------------------------------
 
-		// Do we need to write a cache file?  Only if the controller does not have its
+		// Do we need to write a cache file? Only if the controller does not have its
 		// own _output() method and we are not dealing with a cache file, which we
 		// can determine by the existence of the $CI object above
 		if ($this->cache_expiration > 0 && isset($CI) && ! method_exists($CI, '_output'))
@@ -368,7 +368,7 @@ class CI_Output {
 			// we will remove them and add them back after we insert the profile data
 			if (preg_match("|</body>.*?</html>|is", $output))
 			{
-				$output  = preg_replace("|</body>.*?</html>|is", '', $output);
+				$output = preg_replace("|</body>.*?</html>|is", '', $output);
 				$output .= $CI->profiler->run();
 				$output .= '</body></html>';
 			}
@@ -381,14 +381,14 @@ class CI_Output {
 		// --------------------------------------------------------------------
 
 		// Does the controller contain a function named _output()?
-		// If so send the output there.  Otherwise, echo it.
+		// If so send the output there. Otherwise, echo it.
 		if (method_exists($CI, '_output'))
 		{
 			$CI->_output($output);
 		}
 		else
 		{
-			echo $output;  // Send it to the browser!
+			echo $output; // Send it to the browser!
 		}
 
 		log_message('debug', "Final output sent to browser");
@@ -458,7 +458,7 @@ class CI_Output {
 	{
 		$cache_path = ($CFG->item('cache_path') == '') ? APPPATH.'cache/' : $CFG->item('cache_path');
 
-		// Build the file path.  The file name is an MD5 hash of the full URI
+		// Build the file path. The file name is an MD5 hash of the full URI
 		$uri =	$CFG->item('base_url').
 				$CFG->item('index_page').
 				$URI->uri_string;
diff --git a/system/core/Router.php b/system/core/Router.php
index 5e92a04b1..a76a7bd0a 100644
--- a/system/core/Router.php
+++ b/system/core/Router.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -61,7 +61,7 @@ class CI_Router {
 	 */
 	function _set_routing()
 	{
-		// Are query strings enabled in the config file?  Normally CI doesn't utilize query strings
+		// Are query strings enabled in the config file? Normally CI doesn't utilize query strings
 		// since URI segments are more search-engine friendly, but they can optionally be used.
 		// If this feature is enabled, we will gather the directory/class/method a little differently
 		$segments = array();
@@ -95,7 +95,7 @@ class CI_Router {
 		{
 			include(APPPATH.'config/routes.php');
 		}
-		
+
 		$this->routes = ( ! isset($route) OR ! is_array($route)) ? array() : $route;
 		unset($route);
 
@@ -103,7 +103,7 @@ class CI_Router {
 		// the URI doesn't correlated to a valid controller.
 		$this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']);
 
-		// Were there any query string segments?  If so, we'll validate them and bail out since we're done.
+		// Were there any query string segments? If so, we'll validate them and bail out since we're done.
 		if (count($segments) > 0)
 		{
 			return $this->_validate_request($segments);
@@ -212,7 +212,7 @@ class CI_Router {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Validates the supplied segments.  Attempts to determine the path to
+	 * Validates the supplied segments. Attempts to determine the path to
 	 * the controller.
 	 *
 	 * @access	private
@@ -277,7 +277,7 @@ class CI_Router {
 
 
 		// If we've gotten this far it means that the URI does not correlate to a valid
-		// controller class.  We will now see if there is an override
+		// controller class. We will now see if there is an override
 		if ( ! empty($this->routes['404_override']))
 		{
 			$x = explode('/', $this->routes['404_override']);
@@ -296,7 +296,7 @@ class CI_Router {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Parse Routes
+	 * Parse Routes
 	 *
 	 * This function matches any routes that may exist in
 	 * the config/routes.php file against the URI to
@@ -310,7 +310,7 @@ class CI_Router {
 		// Turn the segment array into a URI string
 		$uri = implode('/', $this->uri->segments);
 
-		// Is there a literal match?  If so we're done
+		// Is there a literal match? If so we're done
 		if (isset($this->routes[$uri]))
 		{
 			return $this->_set_request(explode('/', $this->routes[$uri]));
@@ -370,7 +370,7 @@ class CI_Router {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Set the method name
+	 * Set the method name
 	 *
 	 * @access	public
 	 * @param	string
@@ -384,7 +384,7 @@ class CI_Router {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Fetch the current method
+	 * Fetch the current method
 	 *
 	 * @access	public
 	 * @return	string
@@ -402,7 +402,7 @@ class CI_Router {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Set the directory name
+	 * Set the directory name
 	 *
 	 * @access	public
 	 * @param	string
@@ -416,7 +416,7 @@ class CI_Router {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Fetch the sub-directory (if any) that contains the requested controller class
+	 * Fetch the sub-directory (if any) that contains the requested controller class
 	 *
 	 * @access	public
 	 * @return	string
@@ -429,7 +429,7 @@ class CI_Router {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Set the controller overrides
+	 * Set the controller overrides
 	 *
 	 * @access	public
 	 * @param	array
diff --git a/system/core/Security.php b/system/core/Security.php
index 3617cadcc..f5bfafd9b 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -25,10 +25,10 @@
  * @link		http://codeigniter.com/user_guide/libraries/security.html
  */
 class CI_Security {
-	
+
 	protected $_xss_hash			= '';
 	protected $_csrf_hash			= '';
-	protected $_csrf_expire			= 7200;  // Two hours (in seconds)
+	protected $_csrf_expire			= 7200; // Two hours (in seconds)
 	protected $_csrf_token_name		= 'ci_csrf_token';
 	protected $_csrf_cookie_name	= 'ci_csrf_token';
 
@@ -52,7 +52,7 @@ class CI_Security {
 					"vbscript\s*:"				=> '[removed]', // IE, surprise!
 					"Redirect\s+302"			=> '[removed]'
 	);
-	
+
 	/**
 	 * Constructor
 	 */
@@ -95,7 +95,7 @@ class CI_Security {
 		}
 
 		// Do the tokens exist in both the _POST and _COOKIE arrays?
-		if ( ! isset($_POST[$this->_csrf_token_name]) OR 
+		if ( ! isset($_POST[$this->_csrf_token_name]) OR
 			 ! isset($_COOKIE[$this->_csrf_cookie_name]))
 		{
 			$this->csrf_show_error();
@@ -107,7 +107,7 @@ class CI_Security {
 			$this->csrf_show_error();
 		}
 
-		// We kill this since we're done and we don't want to 
+		// We kill this since we're done and we don't want to
 		// polute the _POST array
 		unset($_POST[$this->_csrf_token_name]);
 
@@ -117,7 +117,7 @@ class CI_Security {
 		$this->csrf_set_cookie();
 
 		log_message('debug', "CSRF token verified ");
-		
+
 		return $this;
 	}
 
@@ -146,7 +146,7 @@ class CI_Security {
 		setcookie($this->_csrf_cookie_name, $this->_csrf_hash, $expire, config_item('cookie_path'), config_item('cookie_domain'), $secure_cookie);
 
 		log_message('debug', "CRSF cookie Set");
-		
+
 		return $this;
 	}
 
@@ -165,9 +165,9 @@ class CI_Security {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Get CSRF Hash 
+	 * Get CSRF Hash
 	 *
-	 * Getter Method 
+	 * Getter Method
 	 *
 	 * @return 	string 	self::_csrf_hash
 	 */
@@ -196,14 +196,14 @@ class CI_Security {
 	 * XSS Clean
 	 *
 	 * Sanitizes data so that Cross Site Scripting Hacks can be
-	 * prevented.  This function does a fair amount of work but
+	 * prevented. This function does a fair amount of work but
 	 * it is extremely thorough, designed to prevent even the
-	 * most obscure XSS attempts.  Nothing is ever 100% foolproof,
+	 * most obscure XSS attempts. Nothing is ever 100% foolproof,
 	 * of course, but I haven't been able to get anything passed
 	 * the filter.
 	 *
 	 * Note: This function should only be used to deal with data
-	 * upon submission.  It's not something that should
+	 * upon submission. It's not something that should
 	 * be used for general runtime processing.
 	 *
 	 * This function was based in part on some code and ideas I
@@ -263,7 +263,7 @@ class CI_Security {
 		 */
 
 		$str = preg_replace_callback("/[a-z]+=([\'\"]).*?\\1/si", array($this, '_convert_attribute'), $str);
-	
+
 		$str = preg_replace_callback("/<\w+.*?(?=>|<|$)/si", array($this, '_decode_entity'), $str);
 
 		/*
@@ -276,7 +276,7 @@ class CI_Security {
 		 *
 		 * This prevents strings like this: ja	vascript
 		 * NOTE: we deal with spaces between characters later.
-		 * NOTE: preg_replace was found to be amazingly slow here on 
+		 * NOTE: preg_replace was found to be amazingly slow here on
 		 * large blocks of data, so we use str_replace.
 		 */
 
@@ -304,27 +304,27 @@ class CI_Security {
 		 */
 		if ($is_image === TRUE)
 		{
-			// Images have a tendency to have the PHP short opening and 
-			// closing tags every so often so we skip those and only 
+			// Images have a tendency to have the PHP short opening and
+			// closing tags every so often so we skip those and only
 			// do the long opening tags.
 			$str = preg_replace('/<\?(php)/i', "&lt;?\\1", $str);
 		}
 		else
 		{
-			$str = str_replace(array('<?', '?'.'>'),  array('&lt;?', '?&gt;'), $str);
+			$str = str_replace(array('<?', '?'.'>'), array('&lt;?', '?&gt;'), $str);
 		}
 
 		/*
 		 * Compact any exploded words
 		 *
-		 * This corrects words like:  j a v a s c r i p t
+		 * This corrects words like: j a v a s c r i p t
 		 * These words are compacted back to their correct state.
 		 */
 		$words = array(
-				'javascript', 'expression', 'vbscript', 'script', 
+				'javascript', 'expression', 'vbscript', 'script',
 				'applet', 'alert', 'document', 'write', 'cookie', 'window'
 			);
-			
+
 		foreach ($words as $word)
 		{
 			$temp = '';
@@ -341,8 +341,8 @@ class CI_Security {
 
 		/*
 		 * Remove disallowed Javascript in links or img tags
-		 * We used to do some version comparisons and use of stripos for PHP5, 
-		 * but it is dog slow compared to these simplified non-capturing 
+		 * We used to do some version comparisons and use of stripos for PHP5,
+		 * but it is dog slow compared to these simplified non-capturing
 		 * preg_match(), especially if the pattern exists in the string
 		 */
 		do
@@ -388,7 +388,7 @@ class CI_Security {
 		 *
 		 * Similar to above, only instead of looking for
 		 * tags it looks for PHP and JavaScript commands
-		 * that are disallowed.  Rather than removing the
+		 * that are disallowed. Rather than removing the
 		 * code, it simply converts the parenthesis to entities
 		 * rendering the code un-executable.
 		 *
@@ -405,11 +405,11 @@ class CI_Security {
 
 		/*
 		 * Images are Handled in a Special Way
-		 * - Essentially, we want to know that after all of the character 
-		 * conversion is done whether any unwanted, likely XSS, code was found.  
+		 * - Essentially, we want to know that after all of the character
+		 * conversion is done whether any unwanted, likely XSS, code was found.
 		 * If not, we return TRUE, as the image is clean.
-		 * However, if the string post-conversion does not matched the 
-		 * string post-removal of XSS, then it fails, as there was unwanted XSS 
+		 * However, if the string post-conversion does not matched the
+		 * string post-removal of XSS, then it fails, as there was unwanted XSS
 		 * code found and removed/changed during processing.
 		 */
 
@@ -457,7 +457,7 @@ class CI_Security {
 	 *
 	 * In some versions of PHP the native function does not work
 	 * when UTF-8 is the specified character set, so this gives us
-	 * a work-around.  More info here:
+	 * a work-around. More info here:
 	 * http://bugs.php.net/bug.php?id=25670
 	 *
 	 * NOTE: html_entity_decode() has a bug in some PHP versions when UTF-8 is the
@@ -475,10 +475,10 @@ class CI_Security {
 		// The reason we are not using html_entity_decode() by itself is because
 		// while it is not technically correct to leave out the semicolon
 		// at the end of an entity most browsers will still interpret the entity
-		// correctly.  html_entity_decode() does not convert entities without
+		// correctly. html_entity_decode() does not convert entities without
 		// semicolons, so we are left with our own little solution here. Bummer.
 
-		if (function_exists('html_entity_decode') && 
+		if (function_exists('html_entity_decode') &&
 			(strtolower($charset) != 'utf-8'))
 		{
 			$str = html_entity_decode($str, ENT_COMPAT, $charset);
@@ -542,7 +542,7 @@ class CI_Security {
 						"%3b",		// ;
 						"%3d"		// =
 					);
-		
+
 		if ( ! $relative_path)
 		{
 			$bad[] = './';
@@ -570,7 +570,7 @@ class CI_Security {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/*
 	 * Remove Evil HTML Attributes (like evenhandlers and style)
 	 *
@@ -578,7 +578,7 @@ class CI_Security {
 	 * 	- Everything up until a space
 	 *		For example, everything between the pipes:
 	 *		<a |style=document.write('hello');alert('world');| class=link>
-	 * 	- Everything inside the quotes 
+	 * 	- Everything inside the quotes
 	 *		For example, everything between the pipes:
 	 *		<a |style="document.write('hello'); alert('world');"| class="link">
 	 *
@@ -594,12 +594,12 @@ class CI_Security {
 		if ($is_image === TRUE)
 		{
 			/*
-			 * Adobe Photoshop puts XML metadata into JFIF images, 
+			 * Adobe Photoshop puts XML metadata into JFIF images,
 			 * including namespacing, so we have to allow this for images.
 			 */
 			unset($evil_attributes[array_search('xmlns', $evil_attributes)]);
 		}
-		
+
 		do {
 			$str = preg_replace(
 				"#<(/?[^><]+?)([^A-Za-z\-])(".implode('|', $evil_attributes).")(\s*=\s*)([\"][^>]*?[\"]|[\'][^>]*?[\']|[^>]*?)([\s><])([><]*)#i",
@@ -607,10 +607,10 @@ class CI_Security {
 				$str, -1, $count
 			);
 		} while ($count);
-		
+
 		return $str;
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
@@ -627,7 +627,7 @@ class CI_Security {
 		$str = '&lt;'.$matches[1].$matches[2].$matches[3];
 
 		// encode captured opening or closing brace to prevent recursive vectors
-		$str .= str_replace(array('>', '<'), array('&gt;', '&lt;'), 
+		$str .= str_replace(array('>', '<'), array('&gt;', '&lt;'),
 							$matches[4]);
 
 		return $str;
@@ -649,7 +649,7 @@ class CI_Security {
 	protected function _js_link_removal($match)
 	{
 		$attributes = $this->_filter_attributes(str_replace(array('<', '>'), '', $match[1]));
-		
+
 		return str_replace($match[1], preg_replace("#href=.*?(alert\(|alert&\#40;|javascript\:|livescript\:|mocha\:|charset\=|window\.|document\.|\.cookie|<script|<xss|base64\s*,)#si", "", $attributes), $match[0]);
 	}
 
@@ -669,7 +669,7 @@ class CI_Security {
 	protected function _js_img_removal($match)
 	{
 		$attributes = $this->_filter_attributes(str_replace(array('<', '>'), '', $match[1]));
-		
+
 		return str_replace($match[1], preg_replace("#src=.*?(alert\(|alert&\#40;|javascript\:|livescript\:|mocha\:|charset\=|window\.|document\.|\.cookie|<script|<xss|base64\s*,)#si", "", $attributes), $match[0]);
 	}
 
@@ -729,13 +729,13 @@ class CI_Security {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Validate URL entities
 	 *
 	 * Called by xss_clean()
 	 *
-	 * @param 	string	
+	 * @param 	string
 	 * @return 	string
 	 */
 	protected function _validate_entities($str)
@@ -743,15 +743,15 @@ class CI_Security {
 		/*
 		 * Protect GET variables in URLs
 		 */
-		
+
 		 // 901119URL5918AMP18930PROTECT8198
-		
+
 		$str = preg_replace('|\&([a-z\_0-9\-]+)\=([a-z\_0-9\-]+)|i', $this->xss_hash()."\\1=\\2", $str);
 
 		/*
 		 * Validate standard character entities
 		 *
-		 * Add a semicolon if missing.  We do this to enable
+		 * Add a semicolon if missing. We do this to enable
 		 * the conversion of entities to ASCII later.
 		 *
 		 */
@@ -769,7 +769,7 @@ class CI_Security {
 		 * Un-Protect GET variables in URLs
 		 */
 		$str = str_replace($this->xss_hash(), '&', $str);
-		
+
 		return $str;
 	}
 
@@ -794,7 +794,7 @@ class CI_Security {
 		{
 			$str = preg_replace("#".$key."#i", $val, $str);
 		}
-		
+
 		return $str;
 	}
 
@@ -809,16 +809,16 @@ class CI_Security {
 	{
 		if ($this->_csrf_hash == '')
 		{
-			// If the cookie exists we will use it's value.  
+			// If the cookie exists we will use it's value.
 			// We don't necessarily want to regenerate it with
-			// each page load since a page could contain embedded 
+			// each page load since a page could contain embedded
 			// sub-pages causing this feature to fail
-			if (isset($_COOKIE[$this->_csrf_cookie_name]) && 
+			if (isset($_COOKIE[$this->_csrf_cookie_name]) &&
 				$_COOKIE[$this->_csrf_cookie_name] != '')
 			{
 				return $this->_csrf_hash = $_COOKIE[$this->_csrf_cookie_name];
 			}
-			
+
 			return $this->_csrf_hash = md5(uniqid(rand(), TRUE));
 		}
 
diff --git a/system/core/URI.php b/system/core/URI.php
index d56548654..94fac59ac 100644
--- a/system/core/URI.php
+++ b/system/core/URI.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -36,7 +36,7 @@ class CI_URI {
 	/**
 	 * Constructor
 	 *
-	 * Simply globalizes the $RTR object.  The front
+	 * Simply globalizes the $RTR object. The front
 	 * loads the Router class early on so it's not available
 	 * normally as other classes are.
 	 *
@@ -85,7 +85,7 @@ class CI_URI {
 			}
 
 			// No PATH_INFO?... What about QUERY_STRING?
-			$path =  (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING');
+			$path = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING');
 			if (trim($path, '/') != '')
 			{
 				$this->_set_uri_string($path);
@@ -251,7 +251,7 @@ class CI_URI {
 	 */
 	function _remove_url_suffix()
 	{
-		if  ($this->config->item('url_suffix') != "")
+		if ($this->config->item('url_suffix') != "")
 		{
 			$this->uri_string = preg_replace("|".preg_quote($this->config->item('url_suffix'))."$|", "", $this->uri_string);
 		}
@@ -285,7 +285,7 @@ class CI_URI {
 	 * Re-index Segments
 	 *
 	 * This function re-indexes the $this->segment array so that it
-	 * starts at 1 rather than 0.  Doing so makes it simpler to
+	 * starts at 1 rather than 0. Doing so makes it simpler to
 	 * use functions like $this->uri->segment(n) since there is
 	 * a 1:1 relationship between the segment array and the actual segments.
 	 *
@@ -323,7 +323,7 @@ class CI_URI {
 	 * Fetch a URI "routed" Segment
 	 *
 	 * This function returns the re-routed URI segment (assuming routing rules are used)
-	 * based on the number provided.  If there is no routing this function returns the
+	 * based on the number provided. If there is no routing this function returns the
 	 * same result as $this->segment()
 	 *
 	 * @access	public
@@ -425,7 +425,7 @@ class CI_URI {
 
 		$i = 0;
 		$lastval = '';
-		$retval  = array();
+		$retval = array();
 		foreach ($segments as $seg)
 		{
 			if ($i % 2)
diff --git a/system/core/Utf8.php b/system/core/Utf8.php
index 2a27d1f35..738d7e9d8 100644
--- a/system/core/Utf8.php
+++ b/system/core/Utf8.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/DB.php b/system/database/DB.php
index 33207d885..4481cef63 100644
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -35,7 +35,7 @@ function &DB($params = '', $active_record_override = NULL)
 				show_error('The configuration file database.php does not exist.');
 			}
 		}
-		
+
 		include($file_path);
 
 		if ( ! isset($db) OR count($db) == 0)
@@ -59,10 +59,10 @@ function &DB($params = '', $active_record_override = NULL)
 	{
 
 		/* parse the URL from the DSN string
-		 *  Database settings can be passed as discreet
-		 *  parameters or as a data source name in the first
-		 *  parameter. DSNs must have this prototype:
-		 *  $dsn = 'driver://username:password@hostname/database';
+		 * Database settings can be passed as discreet
+		 * parameters or as a data source name in the first
+		 * parameter. DSNs must have this prototype:
+		 * $dsn = 'driver://username:password@hostname/database';
 		 */
 
 		if (($dns = @parse_url($params)) === FALSE)
@@ -100,13 +100,13 @@ function &DB($params = '', $active_record_override = NULL)
 		}
 	}
 
-	// No DB specified yet?  Beat them senseless...
+	// No DB specified yet? Beat them senseless...
 	if ( ! isset($params['dbdriver']) OR $params['dbdriver'] == '')
 	{
 		show_error('You have not selected a database type to connect to.');
 	}
 
-	// Load the DB classes.  Note: Since the active record class is optional
+	// Load the DB classes. Note: Since the active record class is optional
 	// we need to dynamically create a class that extends proper parent class
 	// based on whether we're using the active record class or not.
 	// Kudos to Paul for discovering this clever use of eval()
diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index 9ceac0b76..508f6bedf 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -58,7 +58,7 @@ class CI_DB_active_record extends CI_DB_driver {
 	var $ar_cache_having		= array();
 	var $ar_cache_orderby		= array();
 	var $ar_cache_set			= array();
-	
+
 	var $ar_no_escape 			= array();
 
 
@@ -175,7 +175,7 @@ class CI_DB_active_record extends CI_DB_driver {
 	 *	select_max()
 	 *	select_min()
 	 *	select_avg()
-	 *  select_sum()
+	 * select_sum()
 	 *
 	 * @access	public
 	 * @param	string	the field
@@ -286,7 +286,7 @@ class CI_DB_active_record extends CI_DB_driver {
 			{
 				$val = trim($val);
 
-				// Extract any aliases that might exist.  We use this information
+				// Extract any aliases that might exist. We use this information
 				// in the _protect_identifiers to know whether to add a table prefix
 				$this->_track_aliases($val);
 
@@ -332,7 +332,7 @@ class CI_DB_active_record extends CI_DB_driver {
 			}
 		}
 
-		// Extract any aliases that might exist.  We use this information
+		// Extract any aliases that might exist. We use this information
 		// in the _protect_identifiers to know whether to add a table prefix
 		$this->_track_aliases($table);
 
@@ -438,7 +438,7 @@ class CI_DB_active_record extends CI_DB_driver {
 
 					$v = ' '.$this->escape($v);
 				}
-				
+
 				if ( ! $this->_has_operator($k))
 				{
 					$k .= ' = ';
@@ -926,7 +926,7 @@ class CI_DB_active_record extends CI_DB_driver {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The "set" function.  Allows key/value pairs to be set for inserting or updating
+	 * The "set" function. Allows key/value pairs to be set for inserting or updating
 	 *
 	 * @access	public
 	 * @param	mixed
@@ -1084,7 +1084,7 @@ class CI_DB_active_record extends CI_DB_driver {
 		{
 			if ($this->db_debug)
 			{
-				//No valid data array.  Folds in cases where keys and values did not match up
+				//No valid data array. Folds in cases where keys and values did not match up
 				return $this->display_error('db_must_use_set');
 			}
 			return FALSE;
@@ -1124,7 +1124,7 @@ class CI_DB_active_record extends CI_DB_driver {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The "set_insert_batch" function.  Allows key/value pairs to be set for batch inserts
+	 * The "set_insert_batch" function. Allows key/value pairs to be set for batch inserts
 	 *
 	 * @access	public
 	 * @param	mixed
@@ -1158,7 +1158,7 @@ class CI_DB_active_record extends CI_DB_driver {
 
 			if ($escape === FALSE)
 			{
-				$this->ar_set[] =  '('.implode(',', $row).')';
+				$this->ar_set[] = '('.implode(',', $row).')';
 			}
 			else
 			{
@@ -1169,7 +1169,7 @@ class CI_DB_active_record extends CI_DB_driver {
 					$clean[] = $this->escape($value);
 				}
 
-				$this->ar_set[] =  '('.implode(',', $clean).')';
+				$this->ar_set[] = '('.implode(',', $clean).')';
 			}
 		}
 
@@ -1399,7 +1399,7 @@ class CI_DB_active_record extends CI_DB_driver {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The "set_update_batch" function.  Allows key/value pairs to be set for batch updating
+	 * The "set_update_batch" function. Allows key/value pairs to be set for batch updating
 	 *
 	 * @access	public
 	 * @param	array
@@ -1652,7 +1652,7 @@ class CI_DB_active_record extends CI_DB_driver {
 			return;
 		}
 
-		// Does the string contain a comma?  If so, we need to separate
+		// Does the string contain a comma? If so, we need to separate
 		// the string into discreet statements
 		if (strpos($table, ',') !== FALSE)
 		{
@@ -1682,7 +1682,7 @@ class CI_DB_active_record extends CI_DB_driver {
 	 * Compile the SELECT statement
 	 *
 	 * Generates a query string based on which functions were used.
-	 * Should not be called directly.  The get() function calls it.
+	 * Should not be called directly. The get() function calls it.
 	 *
 	 * @access	private
 	 * @return	string
@@ -1989,7 +1989,7 @@ class CI_DB_active_record extends CI_DB_driver {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Resets the active record values.  Called by the get() function
+	 * Resets the active record values. Called by the get() function
 	 *
 	 * @access	private
 	 * @param	array	An array of fields to reset
@@ -2009,7 +2009,7 @@ class CI_DB_active_record extends CI_DB_driver {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Resets the active record values.  Called by the get() function
+	 * Resets the active record values. Called by the get() function
 	 *
 	 * @access	private
 	 * @return	void
diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index 3bf065ca5..3249e9d8e 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -64,7 +64,7 @@ class CI_DB_Cache {
 		}
 
 		// Add a trailing slash to the path if needed
-		$path = preg_replace("/(.+?)\/*$/", "\\1/",  $path);
+		$path = preg_replace("/(.+?)\/*$/", "\\1/", $path);
 
 		if ( ! is_dir($path) OR ! is_really_writable($path))
 		{
@@ -162,7 +162,7 @@ class CI_DB_Cache {
 	{
 		if ($segment_one == '')
 		{
-			$segment_one  = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
+			$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
 		}
 
 		if ($segment_two == '')
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 10e8ed0c0..40be2f903 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -73,7 +73,7 @@ class CI_DB_driver {
 
 
 	/**
-	 * Constructor.  Accepts one parameter containing the database
+	 * Constructor. Accepts one parameter containing the database
 	 * connection settings.
 	 *
 	 * @param array
@@ -114,7 +114,7 @@ class CI_DB_driver {
 		// Connect to the database and set the connection ID
 		$this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect();
 
-		// No connection resource?  Throw an error
+		// No connection resource? Throw an error
 		if ( ! $this->conn_id)
 		{
 			log_message('error', 'Unable to connect to the database');
@@ -199,7 +199,7 @@ class CI_DB_driver {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Database Version Number.  Returns a string containing the
+	 * Database Version Number. Returns a string containing the
 	 * version of the database being used
 	 *
 	 * @access	public
@@ -237,7 +237,7 @@ class CI_DB_driver {
 	 * Execute the query
 	 *
 	 * Accepts an SQL string as input and returns a result object upon
-	 * successful execution of a "read" type query.  Returns boolean TRUE
+	 * successful execution of a "read" type query. Returns boolean TRUE
 	 * upon successful execution of a "write" type query. Returns boolean
 	 * FALSE upon failure, and if the $db_debug variable is set to TRUE
 	 * will raise an error.
@@ -265,7 +265,7 @@ class CI_DB_driver {
 			$sql = preg_replace("/(\W)".$this->swap_pre."(\S+?)/", "\\1".$this->dbprefix."\\2", $sql);
 		}
 
-		// Is query caching enabled?  If the query is a "read type"
+		// Is query caching enabled? If the query is a "read type"
 		// we will load the caching class and return the previously
 		// cached query if it exists
 		if ($this->cache_on == TRUE AND stristr($sql, 'SELECT'))
@@ -286,7 +286,7 @@ class CI_DB_driver {
 			$sql = $this->compile_binds($sql, $binds);
 		}
 
-		// Save the  query for debugging
+		// Save the query for debugging
 		if ($this->save_queries == TRUE)
 		{
 			$this->queries[] = $sql;
@@ -314,7 +314,7 @@ class CI_DB_driver {
 				$error_msg = $this->_error_message();
 
 				// We call this function in order to roll-back queries
-				// if transactions are enabled.  If we don't call this here
+				// if transactions are enabled. If we don't call this here
 				// the error message will trigger an exit, causing the
 				// transactions to remain in limbo.
 				$this->trans_complete();
@@ -385,7 +385,7 @@ class CI_DB_driver {
 		// oci8 vars must be set before calling this
 		$RES->num_rows	= $RES->num_rows();
 
-		// Is query caching enabled?  If so, we'll serialize the
+		// Is query caching enabled? If so, we'll serialize the
 		// result object and save it to a cache file.
 		if ($this->cache_on == TRUE AND $this->_cache_init())
 		{
@@ -435,7 +435,7 @@ class CI_DB_driver {
 
 	/**
 	 * Simple Query
-	 * This is a simplified version of the query() function.  Internally
+	 * This is a simplified version of the query() function. Internally
 	 * we only use it when running transaction commands since they do
 	 * not require all the features of the main query() function.
 	 *
@@ -718,7 +718,7 @@ class CI_DB_driver {
 	/**
 	 * Primary
 	 *
-	 * Retrieves the primary key.  It assumes that the row in the first
+	 * Retrieves the primary key. It assumes that the row in the first
 	 * position is the primary key
 	 *
 	 * @access	public
@@ -1216,8 +1216,8 @@ class CI_DB_driver {
 	 * This function is used extensively by the Active Record class, and by
 	 * a couple functions in this class.
 	 * It takes a column or table name (optionally with an alias) and inserts
-	 * the table prefix onto it.  Some logic is necessary in order to deal with
-	 * column names that include the path.  Consider a query like this:
+	 * the table prefix onto it. Some logic is necessary in order to deal with
+	 * column names that include the path. Consider a query like this:
 	 *
 	 * SELECT * FROM hostname.database.table.column AS c FROM hostname.database.table
 	 *
@@ -1270,7 +1270,7 @@ class CI_DB_driver {
 
 		// This is basically a bug fix for queries that use MAX, MIN, etc.
 		// If a parenthesis is found we know that we do not need to
-		// escape the data or add a prefix.  There's probably a more graceful
+		// escape the data or add a prefix. There's probably a more graceful
 		// way to deal with this, but I'm not thinking of it -- Rick
 		if (strpos($item, '(') !== FALSE)
 		{
@@ -1285,7 +1285,7 @@ class CI_DB_driver {
 			$parts	= explode('.', $item);
 
 			// Does the first segment of the exploded item match
-			// one of the aliases previously identified?  If so,
+			// one of the aliases previously identified? If so,
 			// we have nothing more to do other than escape the item
 			if (in_array($parts[0], $this->ar_aliased_tables))
 			{
@@ -1304,7 +1304,7 @@ class CI_DB_driver {
 				return $item.$alias;
 			}
 
-			// Is there a table prefix defined in the config file?  If not, no need to do anything
+			// Is there a table prefix defined in the config file? If not, no need to do anything
 			if ($this->dbprefix != '')
 			{
 				// We now add the table prefix based on some logic.
@@ -1358,7 +1358,7 @@ class CI_DB_driver {
 			return $item.$alias;
 		}
 
-		// Is there a table prefix?  If not, no need to insert it
+		// Is there a table prefix? If not, no need to insert it
 		if ($this->dbprefix != '')
 		{
 			// Verify table prefix and replace if necessary
diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php
index a71fca78f..9730c7761 100644
--- a/system/database/DB_forge.php
+++ b/system/database/DB_forge.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * Code Igniter
  *
diff --git a/system/database/DB_result.php b/system/database/DB_result.php
index 76e1d6abb..06eec5124 100644
--- a/system/database/DB_result.php
+++ b/system/database/DB_result.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -28,18 +28,18 @@
  */
 class CI_DB_result {
 
-	var $conn_id		      = NULL;
-	var $result_id		      = NULL;
-	var $result_array	      = array();
-	var $result_object	      = array();
-    var $custom_result_object = array();
-	var $current_row	      = 0;
-	var $num_rows		      = 0;
-	var $row_data		      = NULL;
+	var $conn_id		  = NULL;
+	var $result_id		  = NULL;
+	var $result_array	  = array();
+	var $result_object	  = array();
+ var $custom_result_object = array();
+	var $current_row	  = 0;
+	var $num_rows		  = 0;
+	var $row_data		  = NULL;
 
 
 	/**
-	 * Query result.  Acts as a wrapper function for the following functions.
+	 * Query result. Acts as a wrapper function for the following functions.
 	 *
 	 * @access	public
 	 * @param	string	can be "object" or "array"
@@ -47,50 +47,50 @@ class CI_DB_result {
 	 */
 	function result($type = 'object')
 	{
-        if ($type == 'array') return $this->result_array();
-        else if ($type == 'object') return $this->result_object();
-        else return $this->custom_result_object($type);
+  if ($type == 'array') return $this->result_array();
+  else if ($type == 'object') return $this->result_object();
+  else return $this->custom_result_object($type);
 	}
 
 	// --------------------------------------------------------------------
 
-    /**
-     * Custom query result.
-     *
-     * @param  class_name  A string that represents the type of object you want back
-     * @return array of objects
-     */
-    function custom_result_object($class_name)
-    {
-        if (array_key_exists($class_name, $this->custom_result_object))
-        {
-            return $this->custom_result_object[$class_name];
-        }
-        
-        if ($this->result_id === FALSE OR $this->num_rows() == 0)
-        {
-            return array();
-        }
-
-        // add the data to the object
-        $this->_data_seek(0);
-        $result_object = array();
+ /**
+  * Custom query result.
+  *
+  * @param class_name A string that represents the type of object you want back
+  * @return array of objects
+  */
+ function custom_result_object($class_name)
+ {
+  if (array_key_exists($class_name, $this->custom_result_object))
+  {
+   return $this->custom_result_object[$class_name];
+  }
+
+  if ($this->result_id === FALSE OR $this->num_rows() == 0)
+  {
+   return array();
+  }
+
+  // add the data to the object
+  $this->_data_seek(0);
+  $result_object = array();
 		while ($row = $this->_fetch_object())
-        {
-            $object = new $class_name();
-            foreach ($row as $key => $value)
-            {
-                $object->$key = $value;
-            }
+  {
+   $object = new $class_name();
+   foreach ($row as $key => $value)
+   {
+    $object->$key = $value;
+   }
 			$result_object[] = $object;
 		}
 
-        // return the array
-        return $this->custom_result_object[$class_name] = $result_object;
-    }
+  // return the array
+  return $this->custom_result_object[$class_name] = $result_object;
+ }
 
 	/**
-	 * Query result.  "object" version.
+	 * Query result. "object" version.
 	 *
 	 * @access	public
 	 * @return	object
@@ -122,7 +122,7 @@ class CI_DB_result {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Query result.  "array" version.
+	 * Query result. "array" version.
 	 *
 	 * @access	public
 	 * @return	array
@@ -154,7 +154,7 @@ class CI_DB_result {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Query result.  Acts as a wrapper function for the following functions.
+	 * Query result. Acts as a wrapper function for the following functions.
 	 *
 	 * @access	public
 	 * @param	string
@@ -180,9 +180,9 @@ class CI_DB_result {
 			$n = 0;
 		}
 
-        if ($type == 'object') return $this->row_object($n);
-        else if ($type == 'array') return $this->row_array($n);
-        else return $this->custom_row_object($n, $type);
+  if ($type == 'object') return $this->row_object($n);
+  else if ($type == 'array') return $this->row_array($n);
+  else return $this->custom_row_object($n, $type);
 	}
 
 	// --------------------------------------------------------------------
@@ -219,7 +219,7 @@ class CI_DB_result {
 
 	// --------------------------------------------------------------------
 
-    /**
+ /**
 	 * Returns a single result row - custom object version
 	 *
 	 * @access	public
@@ -242,7 +242,7 @@ class CI_DB_result {
 		return $result[$this->current_row];
 	}
 
-    /**
+ /**
 	 * Returns a single result row - object version
 	 *
 	 * @access	public
@@ -383,9 +383,9 @@ class CI_DB_result {
 	/**
 	 * The following functions are normally overloaded by the identically named
 	 * methods in the platform-specific driver -- except when query caching
-	 * is used.  When caching is enabled we do not load the other driver.
+	 * is used. When caching is enabled we do not load the other driver.
 	 * These functions are primarily here to prevent undefined function errors
-	 * when a cached result object is in use.  They are not otherwise fully
+	 * when a cached result object is in use. They are not otherwise fully
 	 * operational due to the unavailability of the database resource IDs with
 	 * cached results.
 	 */
diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php
index a5f174f0a..a3c00a5a6 100644
--- a/system/database/DB_utility.php
+++ b/system/database/DB_utility.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * Code Igniter
  *
@@ -342,10 +342,10 @@ class CI_DB_utility extends CI_DB_forge {
 
 		// ------------------------------------------------------
 
-		// Is the encoder supported?  If not, we'll either issue an
+		// Is the encoder supported? If not, we'll either issue an
 		// error or use plain text depending on the debug settings
 		if (($prefs['format'] == 'gzip' AND ! @function_exists('gzencode'))
-		OR ($prefs['format'] == 'zip'  AND ! @function_exists('gzcompress')))
+		OR ($prefs['format'] == 'zip' AND ! @function_exists('gzcompress')))
 		{
 			if ($this->db->db_debug)
 			{
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 65397ed8f..56ecf32d1 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php
index 70b20ecf8..03151b24f 100644
--- a/system/database/drivers/mssql/mssql_forge.php
+++ b/system/database/drivers/mssql/mssql_forge.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -103,7 +103,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
 
 				$sql .= "\n\t".$this->db->_protect_identifiers($field);
 
-				$sql .=  ' '.$attributes['TYPE'];
+				$sql .= ' '.$attributes['TYPE'];
 
 				if (array_key_exists('CONSTRAINT', $attributes))
 				{
diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php
index 2897ca5a5..f1f6dbb84 100644
--- a/system/database/drivers/mssql/mssql_result.php
+++ b/system/database/drivers/mssql/mssql_result.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -120,7 +120,7 @@ class CI_DB_mssql_result extends CI_DB_result {
 	/**
 	 * Data Seek
 	 *
-	 * Moves the internal pointer to the desired offset.  We call
+	 * Moves the internal pointer to the desired offset. We call
 	 * this internally before fetching results to make sure the
 	 * result set starts at zero
 	 *
diff --git a/system/database/drivers/mssql/mssql_utility.php b/system/database/drivers/mssql/mssql_utility.php
index 48ecbc72a..3ee4d4b8f 100644
--- a/system/database/drivers/mssql/mssql_utility.php
+++ b/system/database/drivers/mssql/mssql_utility.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index b7d547cc0..dec15863f 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -133,7 +133,7 @@ class CI_DB_mysql_driver extends CI_DB {
 	function db_set_charset($charset, $collation)
 	{
 		static $use_set_names;
-		
+
 		if ( ! isset($use_set_names))
 		{
 			// mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback
@@ -302,12 +302,12 @@ class CI_DB_mysql_driver extends CI_DB {
 		if (is_array($str))
 		{
 			foreach ($str as $key => $val)
-	   		{
+	  		{
 				$str[$key] = $this->escape_str($val, $like);
-	   		}
+	  		}
 
-	   		return $str;
-	   	}
+	  		return $str;
+	  	}
 
 		if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id))
 		{
@@ -650,7 +650,7 @@ class CI_DB_mysql_driver extends CI_DB {
 			{
 				if ($field != $index)
 				{
-					$final[$field][] =  'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
+					$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
 				}
 			}
 		}
diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php
index 529ec980d..5328a7b4e 100644
--- a/system/database/drivers/mysql/mysql_forge.php
+++ b/system/database/drivers/mysql/mysql_forge.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -86,7 +86,7 @@ class CI_DB_mysql_forge extends CI_DB_forge {
 
 				if (array_key_exists('TYPE', $attributes))
 				{
-					$sql .=  ' '.$attributes['TYPE'];
+					$sql .= ' '.$attributes['TYPE'];
 
 					if (array_key_exists('CONSTRAINT', $attributes))
 					{
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index 507389603..19875ba9d 100644
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -120,7 +120,7 @@ class CI_DB_mysql_result extends CI_DB_result {
 	/**
 	 * Data Seek
 	 *
-	 * Moves the internal pointer to the desired offset.  We call
+	 * Moves the internal pointer to the desired offset. We call
 	 * this internally before fetching results to make sure the
 	 * result set starts at zero
 	 *
diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index e9747c540..5ce384c81 100644
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -137,7 +137,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
 			}
 
 			// Fetch the field names and determine if the field is an
-			// integer type.  We use this info to decide whether to
+			// integer type. We use this info to decide whether to
 			// surround the data with quotes or not
 
 			$i = 0;
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index b8586c21d..74f55c421 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -133,7 +133,7 @@ class CI_DB_mysqli_driver extends CI_DB {
 	function _db_set_charset($charset, $collation)
 	{
 		static $use_set_names;
-		
+
 		if ( ! isset($use_set_names))
 		{
 			// mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback
@@ -568,7 +568,7 @@ class CI_DB_mysqli_driver extends CI_DB {
 	{
 		return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
@@ -630,7 +630,7 @@ class CI_DB_mysqli_driver extends CI_DB {
 			{
 				if ($field != $index)
 				{
-					$final[$field][] =  'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
+					$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
 				}
 			}
 		}
diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php
index d5097335e..6450968dd 100644
--- a/system/database/drivers/mysqli/mysqli_forge.php
+++ b/system/database/drivers/mysqli/mysqli_forge.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -86,7 +86,7 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
 
 				if (array_key_exists('TYPE', $attributes))
 				{
-					$sql .=  ' '.$attributes['TYPE'];
+					$sql .= ' '.$attributes['TYPE'];
 				}
 
 				if (array_key_exists('CONSTRAINT', $attributes))
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index c4d8f5d58..8b4613454 100644
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -120,7 +120,7 @@ class CI_DB_mysqli_result extends CI_DB_result {
 	/**
 	 * Data Seek
 	 *
-	 * Moves the internal pointer to the desired offset.  We call
+	 * Moves the internal pointer to the desired offset. We call
 	 * this internally before fetching results to make sure the
 	 * result set starts at zero
 	 *
diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php
index e17889b8c..5d1f1a6d9 100644
--- a/system/database/drivers/mysqli/mysqli_utility.php
+++ b/system/database/drivers/mysqli/mysqli_utility.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 14df104ff..3a05ce36c 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -6,7 +6,7 @@
  *
  * @package		CodeIgniter
  * @author		ExpressionEngine Dev Team
- * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @copyright  Copyright (c) 2008 - 2011, EllisLab, Inc.
  * @license		http://codeigniter.com/user_guide/license.html
  * @link		http://codeigniter.com
  * @since		Version 1.0
@@ -23,7 +23,7 @@
  * class is being used or not.
  *
  * @package		CodeIgniter
- * @subpackage  Drivers
+ * @subpackage Drivers
  * @category	Database
  * @author		ExpressionEngine Dev Team
  * @link		http://codeigniter.com/user_guide/database/
@@ -37,7 +37,7 @@
  *
  * NOTE: this uses the PHP 4 oci methods
  *
- * @author	  Kelly McArdle
+ * @author	 Kelly McArdle
  *
  */
 
@@ -74,8 +74,8 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Non-persistent database connection
 	 *
-	 * @access  private called by the base class
-	 * @return  resource
+	 * @access private called by the base class
+	 * @return resource
 	 */
 	function db_connect()
 	{
@@ -87,8 +87,8 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Persistent database connection
 	 *
-	 * @access  private called by the base class
-	 * @return  resource
+	 * @access private called by the base class
+	 * @return resource
 	 */
 	function db_pconnect()
 	{
@@ -116,8 +116,8 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Select the database
 	 *
-	 * @access  private called by the base class
-	 * @return  resource
+	 * @access private called by the base class
+	 * @return resource
 	 */
 	function db_select()
 	{
@@ -145,8 +145,8 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Version number query string
 	 *
-	 * @access  public
-	 * @return  string
+	 * @access public
+	 * @return string
 	 */
 	function _version()
 	{
@@ -158,9 +158,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Execute the query
 	 *
-	 * @access  private called by the base class
-	 * @param   string  an SQL query
-	 * @return  resource
+	 * @access private called by the base class
+	 * @param  string an SQL query
+	 * @return resource
 	 */
 	function _execute($sql)
 	{
@@ -175,9 +175,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Generate a statement ID
 	 *
-	 * @access  private
-	 * @param   string  an SQL query
-	 * @return  none
+	 * @access private
+	 * @param  string an SQL query
+	 * @return none
 	 */
 	function _set_stmt_id($sql)
 	{
@@ -194,9 +194,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * If needed, each database adapter can prep the query string
 	 *
-	 * @access  private called by execute()
-	 * @param   string  an SQL query
-	 * @return  string
+	 * @access private called by execute()
+	 * @param  string an SQL query
+	 * @return string
 	 */
 	function _prep_query($sql)
 	{
@@ -206,10 +206,10 @@ class CI_DB_oci8_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * getCursor.  Returns a cursor from the datbase
+	 * getCursor. Returns a cursor from the datbase
 	 *
-	 * @access  public
-	 * @return  cursor id
+	 * @access public
+	 * @return cursor id
 	 */
 	function get_cursor()
 	{
@@ -220,19 +220,19 @@ class CI_DB_oci8_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Stored Procedure.  Executes a stored procedure
+	 * Stored Procedure. Executes a stored procedure
 	 *
-	 * @access  public
-	 * @param   package	 package stored procedure is in
-	 * @param   procedure   stored procedure to execute
-	 * @param   params	  array of parameters
-	 * @return  array
+	 * @access public
+	 * @param  package	 package stored procedure is in
+	 * @param  procedure  stored procedure to execute
+	 * @param  params	 array of parameters
+	 * @return array
 	 *
 	 * params array keys
 	 *
-	 * KEY	  OPTIONAL	NOTES
+	 * KEY	 OPTIONAL	NOTES
 	 * name		no		the name of the parameter should be in :<param_name> format
-	 * value	no		the value of the parameter.  If this is an OUT or IN OUT parameter,
+	 * value	no		the value of the parameter. If this is an OUT or IN OUT parameter,
 	 *					this should be a reference to a variable
 	 * type		yes		the type of the parameter
 	 * length	yes		the max size of the parameter
@@ -275,8 +275,8 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Bind parameters
 	 *
-	 * @access  private
-	 * @return  none
+	 * @access private
+	 * @return none
 	 */
 	function _bind_params($params)
 	{
@@ -386,10 +386,10 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Escape String
 	 *
-	 * @access  public
-	 * @param   string
+	 * @access public
+	 * @param  string
 	 * @param	bool	whether or not the string will be used in a LIKE condition
-	 * @return  string
+	 * @return string
 	 */
 	function escape_str($str, $like = FALSE)
 	{
@@ -421,8 +421,8 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Affected Rows
 	 *
-	 * @access  public
-	 * @return  integer
+	 * @access public
+	 * @return integer
 	 */
 	function affected_rows()
 	{
@@ -434,8 +434,8 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Insert ID
 	 *
-	 * @access  public
-	 * @return  integer
+	 * @access public
+	 * @return integer
 	 */
 	function insert_id()
 	{
@@ -451,9 +451,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * Generates a platform-specific query string that counts all records in
 	 * the specified database
 	 *
-	 * @access  public
-	 * @param   string
-	 * @return  string
+	 * @access public
+	 * @param  string
+	 * @return string
 	 */
 	function count_all($table = '')
 	{
@@ -480,9 +480,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific query string so that the table names can be fetched
 	 *
-	 * @access  private
+	 * @access private
 	 * @param	boolean
-	 * @return  string
+	 * @return string
 	 */
 	function _list_tables($prefix_limit = FALSE)
 	{
@@ -503,9 +503,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific query string so that the column names can be fetched
 	 *
-	 * @access  public
-	 * @param   string  the table name
-	 * @return  string
+	 * @access public
+	 * @param  string the table name
+	 * @return string
 	 */
 	function _list_columns($table = '')
 	{
@@ -519,9 +519,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific query so that the column data can be retrieved
 	 *
-	 * @access  public
-	 * @param   string  the table name
-	 * @return  object
+	 * @access public
+	 * @param  string the table name
+	 * @return object
 	 */
 	function _field_data($table)
 	{
@@ -533,8 +533,8 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * The error message string
 	 *
-	 * @access  private
-	 * @return  string
+	 * @access private
+	 * @return string
 	 */
 	function _error_message()
 	{
@@ -547,8 +547,8 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * The error message number
 	 *
-	 * @access  private
-	 * @return  integer
+	 * @access private
+	 * @return integer
 	 */
 	function _error_number()
 	{
@@ -627,11 +627,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific insert string from the supplied data
 	 *
-	 * @access  public
-	 * @param   string  the table name
-	 * @param   array   the insert keys
-	 * @param   array   the insert values
-	 * @return  string
+	 * @access public
+	 * @param  string the table name
+	 * @param  array  the insert keys
+	 * @param  array  the insert values
+	 * @return string
 	 */
 	function _insert($table, $keys, $values)
 	{
@@ -732,11 +732,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific LIMIT clause
 	 *
-	 * @access  public
-	 * @param   string  the sql query string
-	 * @param   integer the number of rows to limit the query to
-	 * @param   integer the offset value
-	 * @return  string
+	 * @access public
+	 * @param  string the sql query string
+	 * @param  integer the number of rows to limit the query to
+	 * @param  integer the offset value
+	 * @return string
 	 */
 	function _limit($sql, $limit, $offset)
 	{
@@ -759,9 +759,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Close DB Connection
 	 *
-	 * @access  public
-	 * @param   resource
-	 * @return  void
+	 * @access public
+	 * @param  resource
+	 * @return void
 	 */
 	function _close($conn_id)
 	{
diff --git a/system/database/drivers/oci8/oci8_forge.php b/system/database/drivers/oci8/oci8_forge.php
index 3cd17585a..589e3c29d 100644
--- a/system/database/drivers/oci8/oci8_forge.php
+++ b/system/database/drivers/oci8/oci8_forge.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -90,7 +90,7 @@ class CI_DB_oci8_forge extends CI_DB_forge {
 
 				$sql .= "\n\t".$this->db->_protect_identifiers($field);
 
-				$sql .=  ' '.$attributes['TYPE'];
+				$sql .= ' '.$attributes['TYPE'];
 
 				if (array_key_exists('CONSTRAINT', $attributes))
 				{
diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php
index 88531b436..60d8396ef 100644
--- a/system/database/drivers/oci8/oci8_result.php
+++ b/system/database/drivers/oci8/oci8_result.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -6,7 +6,7 @@
  *
  * @package		CodeIgniter
  * @author		ExpressionEngine Dev Team
- * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @copyright  Copyright (c) 2008 - 2011, EllisLab, Inc.
  * @license		http://codeigniter.com/user_guide/license.html
  * @link		http://codeigniter.com
  * @since		Version 1.0
@@ -37,8 +37,8 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 * so we have to use what amounts to a hack.
 	 *
 	 *
-	 * @access  public
-	 * @return  integer
+	 * @access public
+	 * @return integer
 	 */
 	function num_rows()
 	{
@@ -58,8 +58,8 @@ class CI_DB_oci8_result extends CI_DB_result {
 	/**
 	 * Number of fields in the result set
 	 *
-	 * @access  public
-	 * @return  integer
+	 * @access public
+	 * @return integer
 	 */
 	function num_fields()
 	{
@@ -102,8 +102,8 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 *
 	 * Generates an array of objects containing field meta-data
 	 *
-	 * @access  public
-	 * @return  array
+	 * @access public
+	 * @return array
 	 */
 	function field_data()
 	{
@@ -114,7 +114,7 @@ class CI_DB_oci8_result extends CI_DB_result {
 			$F				= new stdClass();
 			$F->name		= ocicolumnname($this->stmt_id, $c);
 			$F->type		= ocicolumntype($this->stmt_id, $c);
-			$F->max_length  = ocicolumnsize($this->stmt_id, $c);
+			$F->max_length = ocicolumnsize($this->stmt_id, $c);
 
 			$retval[] = $F;
 		}
@@ -145,8 +145,8 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 *
 	 * Returns the result set as an array
 	 *
-	 * @access  private
-	 * @return  array
+	 * @access private
+	 * @return array
 	 */
 	function _fetch_assoc(&$row)
 	{
@@ -162,8 +162,8 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 *
 	 * Returns the result set as an object
 	 *
-	 * @access  private
-	 * @return  object
+	 * @access private
+	 * @return object
 	 */
 	function _fetch_object()
 	{
@@ -202,10 +202,10 @@ class CI_DB_oci8_result extends CI_DB_result {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Query result.  "array" version.
+	 * Query result. "array" version.
 	 *
-	 * @access  public
-	 * @return  array
+	 * @access public
+	 * @return array
 	 */
 	function result_array()
 	{
@@ -230,7 +230,7 @@ class CI_DB_oci8_result extends CI_DB_result {
 	/**
 	 * Data Seek
 	 *
-	 * Moves the internal pointer to the desired offset.  We call
+	 * Moves the internal pointer to the desired offset. We call
 	 * this internally before fetching results to make sure the
 	 * result set starts at zero
 	 *
diff --git a/system/database/drivers/oci8/oci8_utility.php b/system/database/drivers/oci8/oci8_utility.php
index 854b467e1..f1fe5dc00 100644
--- a/system/database/drivers/oci8/oci8_utility.php
+++ b/system/database/drivers/oci8/oci8_utility.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 81e0d7cf2..4268ccd94 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php
index 3ec86b4e9..7e9414cc4 100644
--- a/system/database/drivers/odbc/odbc_forge.php
+++ b/system/database/drivers/odbc/odbc_forge.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -102,7 +102,7 @@ class CI_DB_odbc_forge extends CI_DB_forge {
 
 				$sql .= "\n\t".$this->db->_protect_identifiers($field);
 
-				$sql .=  ' '.$attributes['TYPE'];
+				$sql .= ' '.$attributes['TYPE'];
 
 				if (array_key_exists('CONSTRAINT', $attributes))
 				{
diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php
index 5d64a464f..d83b2e5f0 100644
--- a/system/database/drivers/odbc/odbc_result.php
+++ b/system/database/drivers/odbc/odbc_result.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -120,7 +120,7 @@ class CI_DB_odbc_result extends CI_DB_result {
 	/**
 	 * Data Seek
 	 *
-	 * Moves the internal pointer to the desired offset.  We call
+	 * Moves the internal pointer to the desired offset. We call
 	 * this internally before fetching results to make sure the
 	 * result set starts at zero
 	 *
diff --git a/system/database/drivers/odbc/odbc_utility.php b/system/database/drivers/odbc/odbc_utility.php
index d335bed99..424958b43 100644
--- a/system/database/drivers/odbc/odbc_utility.php
+++ b/system/database/drivers/odbc/odbc_utility.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 47ff36246..bf985de37 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php
index 91a1c6861..fbfaac864 100644
--- a/system/database/drivers/postgre/postgre_forge.php
+++ b/system/database/drivers/postgre/postgre_forge.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -128,14 +128,14 @@ class CI_DB_postgre_forge extends CI_DB_forge {
 				}
 
 				// If this is an auto-incrementing primary key, use the serial data type instead
-				if (in_array($field, $primary_keys) && array_key_exists('AUTO_INCREMENT', $attributes) 
+				if (in_array($field, $primary_keys) && array_key_exists('AUTO_INCREMENT', $attributes)
 					&& $attributes['AUTO_INCREMENT'] === TRUE)
 				{
 					$sql .= ' SERIAL';
 				}
 				else
 				{
-					$sql .=  ' '.$attributes['TYPE'];
+					$sql .= ' '.$attributes['TYPE'];
 				}
 
 				// Modified to prevent constraints with integer data types
@@ -213,8 +213,8 @@ class CI_DB_postgre_forge extends CI_DB_forge {
 	/**
 	 * Drop Table
 	 *
-	 * @access    private
-	 * @return    bool
+	 * @access  private
+	 * @return  bool
 	 */
 	function _drop_table($table)
 	{
diff --git a/system/database/drivers/postgre/postgre_result.php b/system/database/drivers/postgre/postgre_result.php
index e9a1d1607..e73a2583a 100644
--- a/system/database/drivers/postgre/postgre_result.php
+++ b/system/database/drivers/postgre/postgre_result.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -120,7 +120,7 @@ class CI_DB_postgre_result extends CI_DB_result {
 	/**
 	 * Data Seek
 	 *
-	 * Moves the internal pointer to the desired offset.  We call
+	 * Moves the internal pointer to the desired offset. We call
 	 * this internally before fetching results to make sure the
 	 * result set starts at zero
 	 *
diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php
index 741c52ea8..c7690fc8f 100644
--- a/system/database/drivers/postgre/postgre_utility.php
+++ b/system/database/drivers/postgre/postgre_utility.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index eb4e585b3..17b5f513c 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php
index 56904082e..c1f8099dd 100644
--- a/system/database/drivers/sqlite/sqlite_forge.php
+++ b/system/database/drivers/sqlite/sqlite_forge.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -100,7 +100,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
 
 				$sql .= "\n\t".$this->db->_protect_identifiers($field);
 
-				$sql .=  ' '.$attributes['TYPE'];
+				$sql .= ' '.$attributes['TYPE'];
 
 				if (array_key_exists('CONSTRAINT', $attributes))
 				{
@@ -172,7 +172,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
 	/**
 	 * Drop Table
 	 *
-	 *  Unsupported feature in SQLite
+	 * Unsupported feature in SQLite
 	 *
 	 * @access	private
 	 * @return	bool
diff --git a/system/database/drivers/sqlite/sqlite_result.php b/system/database/drivers/sqlite/sqlite_result.php
index 7bd30db7c..62204946c 100644
--- a/system/database/drivers/sqlite/sqlite_result.php
+++ b/system/database/drivers/sqlite/sqlite_result.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -116,7 +116,7 @@ class CI_DB_sqlite_result extends CI_DB_result {
 	/**
 	 * Data Seek
 	 *
-	 * Moves the internal pointer to the desired offset.  We call
+	 * Moves the internal pointer to the desired offset. We call
 	 * this internally before fetching results to make sure the
 	 * result set starts at zero
 	 *
diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php
index 508023e2f..bd741dd79 100644
--- a/system/database/drivers/sqlite/sqlite_utility.php
+++ b/system/database/drivers/sqlite/sqlite_utility.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -28,7 +28,7 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
 	 * List databases
 	 *
 	 * I don't believe you can do a database listing with SQLite
-	 * since each database is its own file.  I suppose we could
+	 * since each database is its own file. I suppose we could
 	 * try reading a directory looking for SQLite files, but
 	 * that doesn't seem like a terribly good idea
 	 *
diff --git a/system/helpers/array_helper.php b/system/helpers/array_helper.php
index 075a31fdf..daa21a3ef 100644
--- a/system/helpers/array_helper.php
+++ b/system/helpers/array_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -79,7 +79,7 @@ if ( ! function_exists('random_element'))
 /**
  * Elements
  *
- * Returns only the array items specified.  Will return a default value if
+ * Returns only the array items specified. Will return a default value if
  * it is not set.
  *
  * @access	public
@@ -93,12 +93,12 @@ if ( ! function_exists('elements'))
 	function elements($items, $array, $default = FALSE)
 	{
 		$return = array();
-		
+
 		if ( ! is_array($items))
 		{
 			$items = array($items);
 		}
-		
+
 		foreach ($items as $item)
 		{
 			if (isset($array[$item]))
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 19ec0c778..130c2c746 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -106,8 +106,8 @@ if ( ! function_exists('create_captcha'))
 		// Do we have a "word" yet?
 		// -----------------------------------
 
-	   if ($word == '')
-	   {
+	  if ($word == '')
+	  {
 			$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
 
 			$str = '';
@@ -117,7 +117,7 @@ if ( ! function_exists('create_captcha'))
 			}
 
 			$word = $str;
-	   }
+	  }
 
 		// -----------------------------------
 		// Determine angle and position
@@ -143,7 +143,7 @@ if ( ! function_exists('create_captcha'))
 		}
 
 		// -----------------------------------
-		//  Assign colors
+		// Assign colors
 		// -----------------------------------
 
 		$bg_color		= imagecolorallocate ($im, 255, 255, 255);
@@ -153,13 +153,13 @@ if ( ! function_exists('create_captcha'))
 		$shadow_color	= imagecolorallocate($im, 255, 240, 240);
 
 		// -----------------------------------
-		//  Create the rectangle
+		// Create the rectangle
 		// -----------------------------------
 
 		ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color);
 
 		// -----------------------------------
-		//  Create the spiral pattern
+		// Create the spiral pattern
 		// -----------------------------------
 
 		$theta		= 1;
@@ -183,7 +183,7 @@ if ( ! function_exists('create_captcha'))
 		}
 
 		// -----------------------------------
-		//  Write the text
+		// Write the text
 		// -----------------------------------
 
 		$use_font = ($font_path != '' AND file_exists($font_path) AND function_exists('imagettftext')) ? TRUE : FALSE;
@@ -219,13 +219,13 @@ if ( ! function_exists('create_captcha'))
 
 
 		// -----------------------------------
-		//  Create the border
+		// Create the border
 		// -----------------------------------
 
 		imagerectangle($im, 0, 0, $img_width-1, $img_height-1, $border_color);
 
 		// -----------------------------------
-		//  Generate the image
+		// Generate the image
 		// -----------------------------------
 
 		$img_name = $now.'.jpg';
diff --git a/system/helpers/cookie_helper.php b/system/helpers/cookie_helper.php
index 7cee02827..31d2d31c8 100644
--- a/system/helpers/cookie_helper.php
+++ b/system/helpers/cookie_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -37,7 +37,7 @@
  * @param	mixed
  * @param	string	the value of the cookie
  * @param	string	the number of seconds until expiration
- * @param	string	the cookie domain.  Usually:  .yourdomain.com
+ * @param	string	the cookie domain. Usually: .yourdomain.com
  * @param	string	the cookie path
  * @param	string	the cookie prefix
  * @return	void
@@ -85,7 +85,7 @@ if ( ! function_exists('get_cookie'))
  * Delete a COOKIE
  *
  * @param	mixed
- * @param	string	the cookie domain.  Usually:  .yourdomain.com
+ * @param	string	the cookie domain. Usually: .yourdomain.com
  * @param	string	the cookie path
  * @param	string	the cookie prefix
  * @return	void
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index 553e8d7ee..f3f01f751 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -69,7 +69,7 @@ if ( ! function_exists('now'))
  * This function is identical to PHPs date() function,
  * except that it allows date codes to be formatted using
  * the MySQL style, where each code letter is preceded
- * with a percent sign:  %Y %m %d etc...
+ * with a percent sign: %Y %m %d etc...
  *
  * The benefit of doing dates this way is that you don't
  * have to worry about escaping your text letters that
@@ -366,7 +366,7 @@ if ( ! function_exists('mysql_to_unix'))
 		$time = str_replace(' ', '', $time);
 
 		// YYYYMMDDHHMMSS
-		return  mktime(
+		return mktime(
 						substr($time, 8, 2),
 						substr($time, 10, 2),
 						substr($time, 12, 2),
@@ -394,7 +394,7 @@ if ( ! function_exists('unix_to_human'))
 {
 	function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us')
 	{
-		$r  = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' ';
+		$r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' ';
 
 		if ($fmt == 'us')
 		{
@@ -451,18 +451,18 @@ if ( ! function_exists('human_to_unix'))
 
 		$ex = explode("-", $split['0']);
 
-		$year  = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0'];
-		$month = (strlen($ex['1']) == 1) ? '0'.$ex['1']  : $ex['1'];
-		$day   = (strlen($ex['2']) == 1) ? '0'.$ex['2']  : $ex['2'];
+		$year = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0'];
+		$month = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
+		$day  = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
 
 		$ex = explode(":", $split['1']);
 
 		$hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];
-		$min  = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
+		$min = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
 
 		if (isset($ex['2']) && preg_match('/[0-9]{1,2}/', $ex['2']))
 		{
-			$sec  = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
+			$sec = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
 		}
 		else
 		{
@@ -478,7 +478,7 @@ if ( ! function_exists('human_to_unix'))
 				$hour = $hour + 12;
 
 			if (substr($ampm, 0, 1) == 'a' AND $hour == 12)
-				$hour =  '00';
+				$hour = '00';
 
 			if (strlen($hour) == 1)
 				$hour = '0'.$hour;
@@ -537,7 +537,7 @@ if ( ! function_exists('timezone_menu'))
 /**
  * Timezones
  *
- * Returns an array of timezones.  This is a helper function
+ * Returns an array of timezones. This is a helper function
  * for various other ones in this library
  *
  * @access	public
diff --git a/system/helpers/directory_helper.php b/system/helpers/directory_helper.php
index 38347fa62..757901480 100644
--- a/system/helpers/directory_helper.php
+++ b/system/helpers/directory_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -31,7 +31,7 @@
  * Create a Directory Map
  *
  * Reads the specified directory and builds an array
- * representation of it.  Sub-folders contained with the
+ * representation of it. Sub-folders contained with the
  * directory will be mapped as well.
  *
  * @access	public
diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
index 1145688ae..e6752db4a 100644
--- a/system/helpers/download_helper.php
+++ b/system/helpers/download_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/helpers/email_helper.php b/system/helpers/email_helper.php
index 651aef439..8fcdad9b5 100644
--- a/system/helpers/email_helper.php
+++ b/system/helpers/email_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/helpers/file_helper.php b/system/helpers/file_helper.php
index 3931667fd..2bd8bce10 100644
--- a/system/helpers/file_helper.php
+++ b/system/helpers/file_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -311,7 +311,7 @@ if ( ! function_exists('get_file_info'))
 					$fileinfo['readable'] = is_readable($file);
 					break;
 				case 'writable':
-					// There are known problems using is_weritable on IIS.  It may not be reliable - consider fileperms()
+					// There are known problems using is_weritable on IIS. It may not be reliable - consider fileperms()
 					$fileinfo['writable'] = is_writable($file);
 					break;
 				case 'executable':
diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php
index 2925d3c7c..a6dfdb2ba 100644
--- a/system/helpers/form_helper.php
+++ b/system/helpers/form_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -114,7 +114,7 @@ if ( ! function_exists('form_open_multipart'))
 /**
  * Hidden Input Field
  *
- * Generates hidden fields.  You can pass a simple key/value string or an associative
+ * Generates hidden fields. You can pass a simple key/value string or an associative
  * array with multiple values.
  *
  * @access	public
@@ -540,7 +540,7 @@ if ( ! function_exists('form_label'))
 /**
  * Fieldset Tag
  *
- * Used to produce <fieldset><legend>text</legend>.  To close fieldset
+ * Used to produce <fieldset><legend>text</legend>. To close fieldset
  * use form_fieldset_close()
  *
  * @access	public
@@ -663,7 +663,7 @@ if ( ! function_exists('form_prep'))
  * Form Value
  *
  * Grabs a value from the POST array for the specified field so you can
- * re-populate an input field or textarea.  If Form Validation
+ * re-populate an input field or textarea. If Form Validation
  * is active it retrieves the info from the validation class
  *
  * @access	public
@@ -858,7 +858,7 @@ if ( ! function_exists('set_radio'))
 /**
  * Form Error
  *
- * Returns the error for a specific form field.  This is a helper for the
+ * Returns the error for a specific form field. This is a helper for the
  * form validation class.
  *
  * @access	public
@@ -885,7 +885,7 @@ if ( ! function_exists('form_error'))
 /**
  * Validation Error String
  *
- * Returns all the errors associated with a form submission.  This is a helper
+ * Returns all the errors associated with a form submission. This is a helper
  * function for the form validation class.
  *
  * @access	public
@@ -1034,17 +1034,17 @@ if ( ! function_exists('_get_validation_object'))
 
 		// We set this as a variable since we're returning by reference.
 		$return = FALSE;
-		
+
 		if (FALSE !== ($object = $CI->load->is_loaded('form_validation')))
 		{
 			if ( ! isset($CI->$object) OR ! is_object($CI->$object))
 			{
 				return $return;
 			}
-			
+
 			return $CI->$object;
 		}
-		
+
 		return $return;
 	}
 }
diff --git a/system/helpers/html_helper.php b/system/helpers/html_helper.php
index 080f622dd..bd66bc2d0 100644
--- a/system/helpers/html_helper.php
+++ b/system/helpers/html_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -30,7 +30,7 @@
 /**
  * Heading
  *
- * Generates an HTML heading tag.  First param is the data.
+ * Generates an HTML heading tag. First param is the data.
  * Second param is the size of the heading tag.
  *
  * @access	public
@@ -114,7 +114,7 @@ if ( ! function_exists('_list'))
 		// Set the indentation based on the depth
 		$out = str_repeat(" ", $depth);
 
-		// Were any attributes submitted?  If so generate a string
+		// Were any attributes submitted? If so generate a string
 		if (is_array($attributes))
 		{
 			$atts = '';
@@ -128,7 +128,7 @@ if ( ! function_exists('_list'))
 		// Write the opening list tag
 		$out .= "<".$type.$attributes.">\n";
 
-		// Cycle through the list elements.  If an array is
+		// Cycle through the list elements. If an array is
 		// encountered we will recursively call _list()
 
 		static $_last_list_item = '';
@@ -244,7 +244,7 @@ if ( ! function_exists('img'))
  * Generates a page document type declaration
  *
  * Valid options are xhtml-11, xhtml-strict, xhtml-trans, xhtml-frame,
- * html4-strict, html4-trans, and html4-frame.  Values are saved in the
+ * html4-strict, html4-trans, and html4-frame. Values are saved in the
  * doctypes config file.
  *
  * @access	public
diff --git a/system/helpers/inflector_helper.php b/system/helpers/inflector_helper.php
index c7c113b8a..2352b642e 100644
--- a/system/helpers/inflector_helper.php
+++ b/system/helpers/inflector_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -43,9 +43,9 @@ if ( ! function_exists('singular'))
 	{
 		$str = trim($str);
 		$end = substr($str, -3);
-        
-        $str = preg_replace('/(.*)?([s|c]h)es/i','$1$2',$str);
-        
+
+    $str = preg_replace('/(.*)?([s|c]h)es/i','$1$2',$str);
+
 		if (strtolower($end) == 'ies')
 		{
 			$str = substr($str, 0, strlen($str)-3).(preg_match('/[a-z]/',$end) ? 'y' : 'Y');
@@ -83,8 +83,8 @@ if ( ! function_exists('singular'))
 if ( ! function_exists('plural'))
 {
 	function plural($str, $force = FALSE)
-	{   
-        $str = trim($str);
+	{
+    $str = trim($str);
 		$end = substr($str, -1);
 
 		if (preg_match('/y/i',$end))
@@ -95,7 +95,7 @@ if ( ! function_exists('plural'))
 		}
 		elseif (preg_match('/h/i',$end))
 		{
-            if(preg_match('/^[c|s]h$/i',substr($str, -2)))
+      if(preg_match('/^[c|s]h$/i',substr($str, -2)))
 			{
 				$str .= 'es';
 			}
diff --git a/system/helpers/language_helper.php b/system/helpers/language_helper.php
index ac0d69da1..e768b453c 100644
--- a/system/helpers/language_helper.php
+++ b/system/helpers/language_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/helpers/number_helper.php b/system/helpers/number_helper.php
index 611777559..fc967e8b5 100644
--- a/system/helpers/number_helper.php
+++ b/system/helpers/number_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/helpers/path_helper.php b/system/helpers/path_helper.php
index ffcf46842..02b14e836 100644
--- a/system/helpers/path_helper.php
+++ b/system/helpers/path_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -39,7 +39,7 @@ if ( ! function_exists('set_realpath'))
 {
 	function set_realpath($path, $check_existance = FALSE)
 	{
-		// Security check to make sure the path is NOT a URL.  No remote file inclusion!
+		// Security check to make sure the path is NOT a URL. No remote file inclusion!
 		if (preg_match("#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i", $path))
 		{
 			show_error('The path you submitted must be a local server path, not a URL');
diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php
index 678dac821..a4df65623 100644
--- a/system/helpers/security_helper.php
+++ b/system/helpers/security_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -119,7 +119,7 @@ if ( ! function_exists('encode_php_tags'))
 {
 	function encode_php_tags($str)
 	{
-		return str_replace(array('<?php', '<?PHP', '<?', '?>'),  array('&lt;?php', '&lt;?PHP', '&lt;?', '?&gt;'), $str);
+		return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('&lt;?php', '&lt;?PHP', '&lt;?', '?&gt;'), $str);
 	}
 }
 
diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php
index 6d8889354..22ca4df77 100644
--- a/system/helpers/smiley_helper.php
+++ b/system/helpers/smiley_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -30,7 +30,7 @@
 /**
  * Smiley Javascript
  *
- * Returns the javascript required for the smiley insertion.  Optionally takes
+ * Returns the javascript required for the smiley insertion. Optionally takes
  * an array of aliases to loosely couple the smiley array to the view.
  *
  * @access	public
@@ -157,7 +157,7 @@ if ( ! function_exists('get_clickable_smileys'))
 		foreach ($smileys as $key => $val)
 		{
 			// Keep duplicates from being used, which can happen if the
-			// mapping array contains multiple identical replacements.  For example:
+			// mapping array contains multiple identical replacements. For example:
 			// :-) and :) might be replaced with the same image so both smileys
 			// will be in the array.
 			if (isset($used[$smileys[$key][0]]))
@@ -204,7 +204,7 @@ if ( ! function_exists('parse_smileys'))
 		}
 
 		// Add a trailing slash to the file path if needed
-		$image_url = preg_replace("/(.+?)\/*$/", "\\1/",  $image_url);
+		$image_url = preg_replace("/(.+?)\/*$/", "\\1/", $image_url);
 
 		foreach ($smileys as $key => $val)
 		{
@@ -231,13 +231,13 @@ if ( ! function_exists('_get_smiley_array'))
 	{
 		if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys.php'))
 		{
-		    include(APPPATH.'config/'.ENVIRONMENT.'/smileys.php');
+		  include(APPPATH.'config/'.ENVIRONMENT.'/smileys.php');
 		}
 		elseif (file_exists(APPPATH.'config/smileys.php'))
 		{
 			include(APPPATH.'config/smileys.php');
 		}
-		
+
 		if (isset($smileys) AND is_array($smileys))
 		{
 			return $smileys;
diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php
index 7765bba31..9f730bd10 100644
--- a/system/helpers/string_helper.php
+++ b/system/helpers/string_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -150,7 +150,7 @@ if ( ! function_exists('reduce_double_slashes'))
 /**
  * Reduce Multiples
  *
- * Reduces multiple instances of a particular character.  Example:
+ * Reduces multiple instances of a particular character. Example:
  *
  * Fred, Bill,, Joe, Jimmy
  *
@@ -187,7 +187,7 @@ if ( ! function_exists('reduce_multiples'))
  * Useful for generating passwords or hashes.
  *
  * @access	public
- * @param	string	type of random string.  basic, alpha, alunum, numeric, nozero, unique, md5, encrypt and sha1
+ * @param	string	type of random string. basic, alpha, alunum, numeric, nozero, unique, md5, encrypt and sha1
  * @param	integer	number of characters
  * @return	string
  */
@@ -245,7 +245,7 @@ if ( ! function_exists('random_string'))
 /**
  * Alternator
  *
- * Allows strings to be alternated.  See docs...
+ * Allows strings to be alternated. See docs...
  *
  * @access	public
  * @param	string (as many parameters as needed)
diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php
index 33d7fa2fd..7d621257f 100644
--- a/system/helpers/text_helper.php
+++ b/system/helpers/text_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -63,7 +63,7 @@ if ( ! function_exists('word_limiter'))
 /**
  * Character Limiter
  *
- * Limits the string based on the character count.  Preserves complete words
+ * Limits the string based on the character count. Preserves complete words
  * so the character count may not be exactly as specified.
  *
  * @access	public
@@ -133,7 +133,7 @@ if ( ! function_exists('ascii_to_entities'))
 				*/
 				if (count($temp) == 1)
 				{
-					$out  .= '&#'.array_shift($temp).';';
+					$out .= '&#'.array_shift($temp).';';
 					$count = 1;
 				}
 
@@ -389,7 +389,7 @@ if ( ! function_exists('convert_accented_characters'))
 /**
  * Word Wrap
  *
- * Wraps text at the specified character.  Maintains the integrity of words.
+ * Wraps text at the specified character. Maintains the integrity of words.
  * Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor
  * will URLs.
  *
@@ -429,7 +429,7 @@ if ( ! function_exists('word_wrap'))
 
 		// Use PHP's native function to do the initial wordwrap.
 		// We set the cut flag to FALSE so that any individual words that are
-		// too long get left alone.  In the next step we'll deal with them.
+		// too long get left alone. In the next step we'll deal with them.
 		$str = wordwrap($str, $charlim, "\n", FALSE);
 
 		// Split the string into individual lines of text and cycle through them
diff --git a/system/helpers/typography_helper.php b/system/helpers/typography_helper.php
index 19b4eec03..0cd66738d 100644
--- a/system/helpers/typography_helper.php
+++ b/system/helpers/typography_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
index d0516cee6..8e93744fb 100644
--- a/system/helpers/url_helper.php
+++ b/system/helpers/url_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -286,7 +286,7 @@ if ( ! function_exists('safe_mailto'))
 			{
 				foreach ($attributes as $key => $val)
 				{
-					$x[] =  ' '.$key.'="';
+					$x[] = ' '.$key.'="';
 					for ($i = 0; $i < strlen($val); $i++)
 					{
 						$x[] = "|".ord(substr($val, $i, 1));
@@ -363,7 +363,7 @@ if ( ! function_exists('safe_mailto'))
  *
  * Automatically links URL and Email addresses.
  * Note: There's a bit of extra code here to deal with
- * URLs or emails that end in a period.  We'll strip these
+ * URLs or emails that end in a period. We'll strip these
  * off and add them after the link.
  *
  * @access	public
diff --git a/system/helpers/xml_helper.php b/system/helpers/xml_helper.php
index cdd81ad70..2219d662a 100644
--- a/system/helpers/xml_helper.php
+++ b/system/helpers/xml_helper.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -46,7 +46,7 @@ if ( ! function_exists('xml_convert'))
 
 		if ($protect_all === TRUE)
 		{
-			$str = preg_replace("/&(\w+);/",  "$temp\\1;", $str);
+			$str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
 		}
 
 		$str = str_replace(array("&","<",">","\"", "'", "-"),
diff --git a/system/language/english/email_lang.php b/system/language/english/email_lang.php
index e3bd113cb..fe4276822 100644
--- a/system/language/english/email_lang.php
+++ b/system/language/english/email_lang.php
@@ -5,9 +5,9 @@ $lang['email_invalid_address'] = "Invalid email address: %s";
 $lang['email_attachment_missing'] = "Unable to locate the following email attachment: %s";
 $lang['email_attachment_unreadable'] = "Unable to open this attachment: %s";
 $lang['email_no_recipients'] = "You must include recipients: To, Cc, or Bcc";
-$lang['email_send_failure_phpmail'] = "Unable to send email using PHP mail().  Your server might not be configured to send mail using this method.";
-$lang['email_send_failure_sendmail'] = "Unable to send email using PHP Sendmail.  Your server might not be configured to send mail using this method.";
-$lang['email_send_failure_smtp'] = "Unable to send email using PHP SMTP.  Your server might not be configured to send mail using this method.";
+$lang['email_send_failure_phpmail'] = "Unable to send email using PHP mail(). Your server might not be configured to send mail using this method.";
+$lang['email_send_failure_sendmail'] = "Unable to send email using PHP Sendmail. Your server might not be configured to send mail using this method.";
+$lang['email_send_failure_smtp'] = "Unable to send email using PHP SMTP. Your server might not be configured to send mail using this method.";
 $lang['email_sent'] = "Your message has been successfully sent using the following protocol: %s";
 $lang['email_no_socket'] = "Unable to open a socket to Sendmail. Please check settings.";
 $lang['email_no_hostname'] = "You did not specify a SMTP hostname.";
diff --git a/system/language/english/imglib_lang.php b/system/language/english/imglib_lang.php
index 66505da07..0a56fe0a5 100644
--- a/system/language/english/imglib_lang.php
+++ b/system/language/english/imglib_lang.php
@@ -4,20 +4,20 @@ $lang['imglib_source_image_required'] = "You must specify a source image in your
 $lang['imglib_gd_required'] = "The GD image library is required for this feature.";
 $lang['imglib_gd_required_for_props'] = "Your server must support the GD image library in order to determine the image properties.";
 $lang['imglib_unsupported_imagecreate'] = "Your server does not support the GD function required to process this type of image.";
-$lang['imglib_gif_not_supported'] = "GIF images are often not supported due to licensing restrictions.  You may have to use JPG or PNG images instead.";
+$lang['imglib_gif_not_supported'] = "GIF images are often not supported due to licensing restrictions. You may have to use JPG or PNG images instead.";
 $lang['imglib_jpg_not_supported'] = "JPG images are not supported.";
 $lang['imglib_png_not_supported'] = "PNG images are not supported.";
 $lang['imglib_jpg_or_png_required'] = "The image resize protocol specified in your preferences only works with JPEG or PNG image types.";
-$lang['imglib_copy_error'] = "An error was encountered while attempting to replace the file.  Please make sure your file directory is writable.";
+$lang['imglib_copy_error'] = "An error was encountered while attempting to replace the file. Please make sure your file directory is writable.";
 $lang['imglib_rotate_unsupported'] = "Image rotation does not appear to be supported by your server.";
-$lang['imglib_libpath_invalid'] = "The path to your image library is not correct.  Please set the correct path in your image preferences.";
-$lang['imglib_image_process_failed'] = "Image processing failed.  Please verify that your server supports the chosen protocol and that the path to your image library is correct.";
+$lang['imglib_libpath_invalid'] = "The path to your image library is not correct. Please set the correct path in your image preferences.";
+$lang['imglib_image_process_failed'] = "Image processing failed. Please verify that your server supports the chosen protocol and that the path to your image library is correct.";
 $lang['imglib_rotation_angle_required'] = "An angle of rotation is required to rotate the image.";
 $lang['imglib_writing_failed_gif'] = "GIF image.";
 $lang['imglib_invalid_path'] = "The path to the image is not correct.";
 $lang['imglib_copy_failed'] = "The image copy routine failed.";
 $lang['imglib_missing_font'] = "Unable to find a font to use.";
-$lang['imglib_save_failed'] = "Unable to save the image.  Please make sure the image and file directory are writable.";
+$lang['imglib_save_failed'] = "Unable to save the image. Please make sure the image and file directory are writable.";
 
 
 /* End of file imglib_lang.php */
diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php
index 61e7aa761..938c80857 100644
--- a/system/libraries/Cache/Cache.php
+++ b/system/libraries/Cache/Cache.php
@@ -10,22 +10,22 @@
  * @license		http://codeigniter.com/user_guide/license.html
  * @link		http://codeigniter.com
  * @since		Version 2.0
- * @filesource	
+ * @filesource
  */
 
 // ------------------------------------------------------------------------
 
 /**
- * CodeIgniter Caching Class 
+ * CodeIgniter Caching Class
  *
  * @package		CodeIgniter
  * @subpackage	Libraries
  * @category	Core
  * @author		ExpressionEngine Dev Team
- * @link		
+ * @link
  */
 class CI_Cache extends CI_Driver_Library {
-	
+
 	protected $valid_drivers 	= array(
 		'cache_apc', 'cache_file', 'cache_memcached', 'cache_dummy'
 	);
@@ -33,7 +33,7 @@ class CI_Cache extends CI_Driver_Library {
 	protected $_cache_path		= NULL;		// Path of cache files (if file-based cache)
 	protected $_adapter			= 'dummy';
 	protected $_backup_driver;
-	
+
 	// ------------------------------------------------------------------------
 
 	/**
@@ -52,16 +52,16 @@ class CI_Cache extends CI_Driver_Library {
 	// ------------------------------------------------------------------------
 
 	/**
-	 * Get 
+	 * Get
 	 *
-	 * Look for a value in the cache.  If it exists, return the data 
+	 * Look for a value in the cache. If it exists, return the data
 	 * if not, return FALSE
 	 *
-	 * @param 	string	
+	 * @param 	string
 	 * @return 	mixed		value that is stored/FALSE on failure
 	 */
 	public function get($id)
-	{	
+	{
 		return $this->{$this->_adapter}->get($id);
 	}
 
@@ -112,7 +112,7 @@ class CI_Cache extends CI_Driver_Library {
 	 * Cache Info
 	 *
 	 * @param 	string		user/filehits
-	 * @return 	mixed		array on success, false on failure	
+	 * @return 	mixed		array on success, false on failure
 	 */
 	public function cache_info($type = 'user')
 	{
@@ -120,7 +120,7 @@ class CI_Cache extends CI_Driver_Library {
 	}
 
 	// ------------------------------------------------------------------------
-	
+
 	/**
 	 * Get Cache Metadata
 	 *
@@ -131,7 +131,7 @@ class CI_Cache extends CI_Driver_Library {
 	{
 		return $this->{$this->_adapter}->get_metadata($id);
 	}
-	
+
 	// ------------------------------------------------------------------------
 
 	/**
@@ -139,11 +139,11 @@ class CI_Cache extends CI_Driver_Library {
 	 *
 	 * Initialize class properties based on the configuration array.
 	 *
-	 * @param	array 	
+	 * @param	array
 	 * @return 	void
 	 */
 	private function _initialize($config)
-	{        
+	{
 		$default_config = array(
 				'adapter',
 				'memcached'
@@ -207,7 +207,7 @@ class CI_Cache extends CI_Driver_Library {
 
 		return $obj;
 	}
-	
+
 	// ------------------------------------------------------------------------
 }
 // End Class
diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php
index de75719c4..ea129eded 100644
--- a/system/libraries/Cache/drivers/Cache_apc.php
+++ b/system/libraries/Cache/drivers/Cache_apc.php
@@ -10,30 +10,30 @@
  * @license		http://codeigniter.com/user_guide/license.html
  * @link		http://codeigniter.com
  * @since		Version 2.0
- * @filesource	
+ * @filesource
  */
 
 // ------------------------------------------------------------------------
 
 /**
- * CodeIgniter APC Caching Class 
+ * CodeIgniter APC Caching Class
  *
  * @package		CodeIgniter
  * @subpackage	Libraries
  * @category	Core
  * @author		ExpressionEngine Dev Team
- * @link		
+ * @link
  */
 
 class CI_Cache_apc extends CI_Driver {
 
 	/**
-	 * Get 
+	 * Get
 	 *
-	 * Look for a value in the cache.  If it exists, return the data 
+	 * Look for a value in the cache. If it exists, return the data
 	 * if not, return FALSE
 	 *
-	 * @param 	string	
+	 * @param 	string
 	 * @return 	mixed		value that is stored/FALSE on failure
 	 */
 	public function get($id)
@@ -43,8 +43,8 @@ class CI_Cache_apc extends CI_Driver {
 		return (is_array($data)) ? $data[0] : FALSE;
 	}
 
-	// ------------------------------------------------------------------------	
-	
+	// ------------------------------------------------------------------------
+
 	/**
 	 * Cache Save
 	 *
@@ -58,7 +58,7 @@ class CI_Cache_apc extends CI_Driver {
 	{
 		return apc_store($id, array($data, time(), $ttl), $ttl);
 	}
-	
+
 	// ------------------------------------------------------------------------
 
 	/**
@@ -90,7 +90,7 @@ class CI_Cache_apc extends CI_Driver {
 	 * Cache Info
 	 *
 	 * @param 	string		user/filehits
-	 * @return 	mixed		array on success, false on failure	
+	 * @return 	mixed		array on success, false on failure
 	 */
 	 public function cache_info($type = NULL)
 	 {
@@ -137,13 +137,13 @@ class CI_Cache_apc extends CI_Driver {
 			log_message('error', 'The APC PHP extension must be loaded to use APC Cache.');
 			return FALSE;
 		}
-		
+
 		return TRUE;
 	}
 
 	// ------------------------------------------------------------------------
 
-	
+
 }
 // End Class
 
diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php
index 13e2d1af6..39dcd15c2 100644
--- a/system/libraries/Cache/drivers/Cache_file.php
+++ b/system/libraries/Cache/drivers/Cache_file.php
@@ -10,19 +10,19 @@
  * @license		http://codeigniter.com/user_guide/license.html
  * @link		http://codeigniter.com
  * @since		Version 2.0
- * @filesource	
+ * @filesource
  */
 
 // ------------------------------------------------------------------------
 
 /**
- * CodeIgniter Memcached Caching Class 
+ * CodeIgniter Memcached Caching Class
  *
  * @package		CodeIgniter
  * @subpackage	Libraries
  * @category	Core
  * @author		ExpressionEngine Dev Team
- * @link		
+ * @link
  */
 
 class CI_Cache_file extends CI_Driver {
@@ -36,9 +36,9 @@ class CI_Cache_file extends CI_Driver {
 	{
 		$CI =& get_instance();
 		$CI->load->helper('file');
-		
+
 		$path = $CI->config->item('cache_path');
-	
+
 		$this->_cache_path = ($path == '') ? APPPATH.'cache/' : $path;
 	}
 
@@ -56,16 +56,16 @@ class CI_Cache_file extends CI_Driver {
 		{
 			return FALSE;
 		}
-		
+
 		$data = read_file($this->_cache_path.$id);
 		$data = unserialize($data);
-		
-		if (time() >  $data['time'] + $data['ttl'])
+
+		if (time() > $data['time'] + $data['ttl'])
 		{
 			unlink($this->_cache_path.$id);
 			return FALSE;
 		}
-		
+
 		return $data['data'];
 	}
 
@@ -76,22 +76,22 @@ class CI_Cache_file extends CI_Driver {
 	 *
 	 * @param 	string		unique key
 	 * @param 	mixed		data to store
-	 * @param 	int			length of time (in seconds) the cache is valid 
+	 * @param 	int			length of time (in seconds) the cache is valid
 	 *						- Default is 60 seconds
 	 * @return 	boolean		true on success/false on failure
 	 */
 	public function save($id, $data, $ttl = 60)
-	{		
+	{
 		$contents = array(
 				'time'		=> time(),
-				'ttl'		=> $ttl,			
+				'ttl'		=> $ttl,
 				'data'		=> $data
 			);
-		
+
 		if (write_file($this->_cache_path.$id, serialize($contents)))
 		{
 			@chmod($this->_cache_path.$id, 0777);
-			return TRUE;			
+			return TRUE;
 		}
 
 		return FALSE;
@@ -116,7 +116,7 @@ class CI_Cache_file extends CI_Driver {
 	 * Clean the Cache
 	 *
 	 * @return 	boolean		false on failure/true on success
-	 */	
+	 */
 	public function clean()
 	{
 		return delete_files($this->_cache_path);
@@ -151,10 +151,10 @@ class CI_Cache_file extends CI_Driver {
 		{
 			return FALSE;
 		}
-		
-		$data = read_file($this->_cache_path.$id);		
+
+		$data = read_file($this->_cache_path.$id);
 		$data = unserialize($data);
-		
+
 		if (is_array($data))
 		{
 			$data = $data['data'];
@@ -170,7 +170,7 @@ class CI_Cache_file extends CI_Driver {
 				'mtime'		=> $mtime
 			);
 		}
-		
+
 		return FALSE;
 	}
 
@@ -180,7 +180,7 @@ class CI_Cache_file extends CI_Driver {
 	 * Is supported
 	 *
 	 * In the file driver, check to see that the cache directory is indeed writable
-	 * 
+	 *
 	 * @return boolean
 	 */
 	public function is_supported()
diff --git a/system/libraries/Calendar.php b/system/libraries/Calendar.php
index df0fd6eeb..7dcbaab47 100644
--- a/system/libraries/Calendar.php
+++ b/system/libraries/Calendar.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -99,7 +99,7 @@ class CI_Calendar {
 	{
 		// Set and validate the supplied month/year
 		if ($year == '')
-			$year  = date("Y", $this->local_time);
+			$year = date("Y", $this->local_time);
 
 		if ($month == '')
 			$month = date("m", $this->local_time);
@@ -128,7 +128,7 @@ class CI_Calendar {
 		// Set the starting day number
 		$local_date = mktime(12, 0, 0, $month, 1, $year);
 		$date = getdate($local_date);
-		$day  = $start_day + 1 - $date["wday"];
+		$day = $start_day + 1 - $date["wday"];
 
 		while ($day > 1)
 		{
@@ -157,8 +157,8 @@ class CI_Calendar {
 		// "previous" month link
 		if ($this->show_next_prev == TRUE)
 		{
-			// Add a trailing slash to the  URL if needed
-			$this->next_prev_url = preg_replace("/(.+?)\/*$/", "\\1/",  $this->next_prev_url);
+			// Add a trailing slash to the URL if needed
+			$this->next_prev_url = preg_replace("/(.+?)\/*$/", "\\1/", $this->next_prev_url);
 
 			$adjusted_date = $this->adjust_date($month - 1, $year);
 			$out .= str_replace('{previous_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_previous_cell']);
@@ -233,7 +233,7 @@ class CI_Calendar {
 					$out .= $this->temp['cal_cell_blank'];
 				}
 
-				$out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_end_today'] : $this->temp['cal_cell_end'];					
+				$out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_end_today'] : $this->temp['cal_cell_end'];
 				$day++;
 			}
 
@@ -287,7 +287,7 @@ class CI_Calendar {
 	 * Get Day Names
 	 *
 	 * Returns an array of day names (Sunday, Monday, etc.) based
-	 * on the type.  Options: long, short, abrev
+	 * on the type. Options: long, short, abrev
 	 *
 	 * @access	public
 	 * @param	string
@@ -404,7 +404,7 @@ class CI_Calendar {
 	 */
 	function default_template()
 	{
-		return  array (
+		return array (
 						'table_open'				=> '<table border="0" cellpadding="4" cellspacing="0">',
 						'heading_row_start'			=> '<tr>',
 						'heading_previous_cell'		=> '<th><a href="{previous_url}">&lt;&lt;</a></th>',
@@ -451,7 +451,7 @@ class CI_Calendar {
 
 		$today = array('cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today');
 
-		foreach (array('table_open', 'table_close', 'heading_row_start', 'heading_previous_cell', 'heading_title_cell', 'heading_next_cell', 'heading_row_end', 'week_row_start', 'week_day_cell', 'week_row_end', 'cal_row_start', 'cal_cell_start', 'cal_cell_content', 'cal_cell_no_content',  'cal_cell_blank', 'cal_cell_end', 'cal_row_end', 'cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today') as $val)
+		foreach (array('table_open', 'table_close', 'heading_row_start', 'heading_previous_cell', 'heading_title_cell', 'heading_next_cell', 'heading_row_end', 'week_row_start', 'week_day_cell', 'week_row_end', 'cal_row_start', 'cal_cell_start', 'cal_cell_content', 'cal_cell_no_content', 'cal_cell_blank', 'cal_cell_end', 'cal_row_end', 'cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today') as $val)
 		{
 			if (preg_match("/\{".$val."\}(.*?)\{\/".$val."\}/si", $this->template, $match))
 			{
diff --git a/system/libraries/Cart.php b/system/libraries/Cart.php
index 7f65b48b9..fbccfb3d9 100644
--- a/system/libraries/Cart.php
+++ b/system/libraries/Cart.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -30,7 +30,7 @@ class CI_Cart {
 	var $product_id_rules	= '\.a-z0-9_-'; // alpha-numeric, dashes, underscores, or periods
 	var $product_name_rules	= '\.\:\-_ a-z0-9'; // alpha-numeric, dashes, underscores, colons or periods
 
-	// Private variables.  Do not change!
+	// Private variables. Do not change!
 	var $CI;
 	var $_cart_contents	= array();
 
@@ -45,7 +45,7 @@ class CI_Cart {
 		// Set the super object to a local variable for use later
 		$this->CI =& get_instance();
 
-		// Are any config settings being passed manually?  If so, set them
+		// Are any config settings being passed manually? If so, set them
 		$config = array();
 		if (count($params) > 0)
 		{
@@ -148,7 +148,7 @@ class CI_Cart {
 
 		// --------------------------------------------------------------------
 
-		// Does the $items array contain an id, quantity, price, and name?  These are required
+		// Does the $items array contain an id, quantity, price, and name? These are required
 		if ( ! isset($items['id']) OR ! isset($items['qty']) OR ! isset($items['price']) OR ! isset($items['name']))
 		{
 			log_message('error', 'The cart array must contain a product ID, quantity, price, and name.');
@@ -157,7 +157,7 @@ class CI_Cart {
 
 		// --------------------------------------------------------------------
 
-		// Prep the quantity. It can only be a number.  Duh...
+		// Prep the quantity. It can only be a number. Duh...
 		$items['qty'] = trim(preg_replace('/([^0-9])/i', '', $items['qty']));
 		// Trim any leading zeros
 		$items['qty'] = trim(preg_replace('/(^[0]+)/i', '', $items['qty']));
@@ -175,7 +175,7 @@ class CI_Cart {
 		// Note: These can be user-specified by setting the $this->product_id_rules variable.
 		if ( ! preg_match("/^[".$this->product_id_rules."]+$/i", $items['id']))
 		{
-			log_message('error', 'Invalid product ID.  The product ID can only contain alpha-numeric characters, dashes, and underscores');
+			log_message('error', 'Invalid product ID. The product ID can only contain alpha-numeric characters, dashes, and underscores');
 			return FALSE;
 		}
 
@@ -191,7 +191,7 @@ class CI_Cart {
 
 		// --------------------------------------------------------------------
 
-		// Prep the price.  Remove anything that isn't a number or decimal point.
+		// Prep the price. Remove anything that isn't a number or decimal point.
 		$items['price'] = trim(preg_replace('/([^0-9\.])/i', '', $items['price']));
 		// Trim any leading zeros
 		$items['price'] = trim(preg_replace('/(^[0]+)/i', '', $items['price']));
@@ -210,7 +210,7 @@ class CI_Cart {
 		// Each row in the cart array, however, must have a unique index that identifies not only
 		// a particular product, but makes it possible to store identical products with different options.
 		// For example, what if someone buys two identical t-shirts (same product ID), but in
-		// different sizes?  The product ID (and other attributes, like the name) will be identical for
+		// different sizes? The product ID (and other attributes, like the name) will be identical for
 		// both sizes because it's the same shirt. The only difference will be the size.
 		// Internally, we need to treat identical submissions, but with different options, as a unique product.
 		// Our solution is to convert the options array to a string and MD5 it along with the product ID.
@@ -271,7 +271,7 @@ class CI_Cart {
 		}
 
 		// You can either update a single product using a one-dimensional array,
-		// or multiple products using a multi-dimensional one.  The way we
+		// or multiple products using a multi-dimensional one. The way we
 		// determine the array type is by looking for a required array key named "id".
 		// If it's not found we assume it's a multi-dimensional array
 		$save_cart = FALSE;
@@ -344,7 +344,7 @@ class CI_Cart {
 			return FALSE;
 		}
 
-		// Is the quantity zero?  If so we will remove the item from the cart.
+		// Is the quantity zero? If so we will remove the item from the cart.
 		// If the quantity is greater than zero we are updating
 		if ($items['qty'] == 0)
 		{
@@ -392,7 +392,7 @@ class CI_Cart {
 		$this->_cart_contents['total_items'] = count($this->_cart_contents);
 		$this->_cart_contents['cart_total'] = $total;
 
-		// Is our cart empty?  If so we delete it from the session
+		// Is our cart empty? If so we delete it from the session
 		if (count($this->_cart_contents) <= 2)
 		{
 			$this->CI->session->unset_userdata('cart_contents');
diff --git a/system/libraries/Driver.php b/system/libraries/Driver.php
index d1925c0ec..b90b5aba6 100644
--- a/system/libraries/Driver.php
+++ b/system/libraries/Driver.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index cd89f8f3d..3166e2f7e 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -31,25 +31,25 @@ class CI_Email {
 	var	$useragent		= "CodeIgniter";
 	var	$mailpath		= "/usr/sbin/sendmail";	// Sendmail path
 	var	$protocol		= "mail";	// mail/sendmail/smtp
-	var	$smtp_host		= "";		// SMTP Server.  Example: mail.earthlink.net
+	var	$smtp_host		= "";		// SMTP Server. Example: mail.earthlink.net
 	var	$smtp_user		= "";		// SMTP Username
 	var	$smtp_pass		= "";		// SMTP Password
 	var	$smtp_port		= "25";		// SMTP Port
 	var	$smtp_timeout	= 5;		// SMTP Timeout in seconds
-	var	$wordwrap		= TRUE;		// TRUE/FALSE  Turns word-wrap on/off
+	var	$wordwrap		= TRUE;		// TRUE/FALSE Turns word-wrap on/off
 	var	$wrapchars		= "76";		// Number of characters to wrap at.
-	var	$mailtype		= "text";	// text/html  Defines email formatting
+	var	$mailtype		= "text";	// text/html Defines email formatting
 	var	$charset		= "utf-8";	// Default char set: iso-8859-1 or us-ascii
 	var	$multipart		= "mixed";	// "mixed" (in the body) or "related" (separate)
 	var $alt_message	= '';		// Alternative message for HTML emails
-	var	$validate		= FALSE;	// TRUE/FALSE.  Enables email validation
+	var	$validate		= FALSE;	// TRUE/FALSE. Enables email validation
 	var	$priority		= "3";		// Default priority (1 - 5)
 	var	$newline		= "\n";		// Default newline. "\r\n" or "\n" (Use "\r\n" to comply with RFC 822)
-	var $crlf			= "\n";		// The RFC 2045 compliant CRLF for quoted-printable is "\r\n".  Apparently some servers,
+	var $crlf			= "\n";		// The RFC 2045 compliant CRLF for quoted-printable is "\r\n". Apparently some servers,
 									// even on the receiving end think they need to muck with CRLFs, so using "\n", while
 									// distasteful, is the only thing that seems to work for all environments.
-	var $send_multipart	= TRUE;		// TRUE/FALSE - Yahoo does not like multipart alternative, so this is an override.  Set to FALSE for Yahoo.
-	var	$bcc_batch_mode	= FALSE;	// TRUE/FALSE  Turns on/off Bcc batch feature
+	var $send_multipart	= TRUE;		// TRUE/FALSE - Yahoo does not like multipart alternative, so this is an override. Set to FALSE for Yahoo.
+	var	$bcc_batch_mode	= FALSE;	// TRUE/FALSE Turns on/off Bcc batch feature
 	var	$bcc_batch_size	= 200;		// If bcc_batch_mode = TRUE, sets max number of Bccs in each batch
 	var $_safe_mode		= FALSE;
 	var	$_subject		= "";
@@ -396,7 +396,7 @@ class CI_Email {
 	{
 		$this->_attach_name[] = $filename;
 		$this->_attach_type[] = $this->_mime_types(next(explode('.', basename($filename))));
-		$this->_attach_disp[] = $disposition; // Can also be 'inline'  Not sure if it matters
+		$this->_attach_disp[] = $disposition; // Can also be 'inline' Not sure if it matters
 		return $this;
 	}
 
@@ -600,7 +600,7 @@ class CI_Email {
 		$from = str_replace(">", "", $from);
 		$from = str_replace("<", "", $from);
 
-		return  "<".uniqid('').strstr($from, '@').">";
+		return "<".uniqid('').strstr($from, '@').">";
 	}
 
 	// --------------------------------------------------------------------
@@ -660,15 +660,15 @@ class CI_Email {
 	 */
 	private function _get_content_type()
 	{
-		if	($this->mailtype == 'html' &&  count($this->_attach_name) == 0)
+		if	($this->mailtype == 'html' && count($this->_attach_name) == 0)
 		{
 			return 'html';
 		}
-		elseif	($this->mailtype == 'html' &&  count($this->_attach_name)  > 0)
+		elseif	($this->mailtype == 'html' && count($this->_attach_name) > 0)
 		{
 			return 'html-attach';
 		}
-		elseif	($this->mailtype == 'text' &&  count($this->_attach_name)  > 0)
+		elseif	($this->mailtype == 'text' && count($this->_attach_name) > 0)
 		{
 			return 'plain-attach';
 		}
@@ -881,7 +881,7 @@ class CI_Email {
 
 		// Use PHP's native public function to do the initial wordwrap.
 		// We set the cut flag to FALSE so that any individual words that are
-		// too long get left alone.  In the next step we'll deal with them.
+		// too long get left alone. In the next step we'll deal with them.
 		$str = wordwrap($str, $charlim, "\n", FALSE);
 
 		// Split the string into individual lines of text and cycle through them
@@ -999,7 +999,7 @@ class CI_Email {
 	 */
 	private function _build_message()
 	{
-		if ($this->wordwrap === TRUE  AND  $this->mailtype != 'html')
+		if ($this->wordwrap === TRUE AND $this->mailtype != 'html')
 		{
 			$this->_body = $this->word_wrap($this->_body);
 		}
@@ -1135,7 +1135,7 @@ class CI_Email {
 				return FALSE;
 			}
 
-			$h  = "--".$this->_atc_boundary.$this->newline;
+			$h = "--".$this->_atc_boundary.$this->newline;
 			$h .= "Content-type: ".$ctype."; ";
 			$h .= "name=\"".$basename."\"".$this->newline;
 			$h .= "Content-Disposition: ".$this->_attach_disp[$i].";".$this->newline;
@@ -1237,7 +1237,7 @@ class CI_Email {
 				// encode = signs
 				if ($ascii == '61')
 				{
-					$char = $escape.strtoupper(sprintf('%02s', dechex($ascii)));  // =3D
+					$char = $escape.strtoupper(sprintf('%02s', dechex($ascii))); // =3D
 				}
 
 				// If we're at the character limit, add the line to the output,
@@ -1267,7 +1267,7 @@ class CI_Email {
 	/**
 	 * Prep Q Encoding
 	 *
-	 * Performs "Q Encoding" on a string for use in email headers.  It's related
+	 * Performs "Q Encoding" on a string for use in email headers. It's related
 	 * but not identical to quoted-printable, so it has its own method
 	 *
 	 * @access	public
@@ -1349,7 +1349,7 @@ class CI_Email {
 			$this->reply_to($this->_headers['From']);
 		}
 
-		if (( ! isset($this->_recipients) AND ! isset($this->_headers['To']))  AND
+		if (( ! isset($this->_recipients) AND ! isset($this->_headers['To'])) AND
 			( ! isset($this->_bcc_array) AND ! isset($this->_headers['Bcc'])) AND
 			( ! isset($this->_headers['Cc'])))
 		{
@@ -1359,7 +1359,7 @@ class CI_Email {
 
 		$this->_build_headers();
 
-		if ($this->bcc_batch_mode  AND  count($this->_bcc_array) > 0)
+		if ($this->bcc_batch_mode AND count($this->_bcc_array) > 0)
 		{
 			if (count($this->_bcc_array) > $this->bcc_batch_size)
 				return $this->batch_bcc_send();
@@ -1380,7 +1380,7 @@ class CI_Email {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Batch Bcc Send.  Sends groups of BCCs in batches
+	 * Batch Bcc Send. Sends groups of BCCs in batches
 	 *
 	 * @access	public
 	 * @return	bool
@@ -1752,7 +1752,7 @@ class CI_Email {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  SMTP Authenticate
+	 * SMTP Authenticate
 	 *
 	 * @access	private
 	 * @return	bool
@@ -1764,7 +1764,7 @@ class CI_Email {
 			return TRUE;
 		}
 
-		if ($this->smtp_user == ""  AND  $this->smtp_pass == "")
+		if ($this->smtp_user == "" AND $this->smtp_pass == "")
 		{
 			$this->_set_error_message('lang:email_no_smtp_unpw');
 			return FALSE;
diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index b30a8cf0b..2f7db6623 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 6f79a554a..d8bcbd62b 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -102,7 +102,7 @@ class CI_Form_validation {
 		}
 
 		// No fields? Nothing to do...
-		if ( ! is_string($field) OR  ! is_string($rules) OR $field == '')
+		if ( ! is_string($field) OR ! is_string($rules) OR $field == '')
 		{
 			return $this;
 		}
@@ -110,8 +110,8 @@ class CI_Form_validation {
 		// If the field label wasn't passed we use the field name
 		$label = ($label == '') ? $field : $label;
 
-		// Is the field name an array?  We test for the existence of a bracket "[" in
-		// the field name to determine this.  If it is an array, we break it apart
+		// Is the field name an array? We test for the existence of a bracket "[" in
+		// the field name to determine this. If it is an array, we break it apart
 		// into its components so that we can fetch the corresponding POST data later
 		if (strpos($field, '[') !== FALSE AND preg_match_all('/\[(.*?)\]/', $field, $matches))
 		{
@@ -155,8 +155,8 @@ class CI_Form_validation {
 	/**
 	 * Set Error Message
 	 *
-	 * Lets users set their own error messages on the fly.  Note:  The key
-	 * name has to match the  function name that it corresponds to.
+	 * Lets users set their own error messages on the fly. Note: The key
+	 * name has to match the function name that it corresponds to.
 	 *
 	 * @access	public
 	 * @param	string
@@ -281,7 +281,7 @@ class CI_Form_validation {
 	 */
 	function run($group = '')
 	{
-		// Do we even have any data to process?  Mm?
+		// Do we even have any data to process? Mm?
 		if (count($_POST) == 0)
 		{
 			return FALSE;
@@ -291,7 +291,7 @@ class CI_Form_validation {
 		// If not, we look to see if they were assigned via a config file
 		if (count($this->_field_data) == 0)
 		{
-			// No validation rules?  We're done...
+			// No validation rules? We're done...
 			if (count($this->_config_rules) == 0)
 			{
 				return FALSE;
@@ -648,7 +648,7 @@ class CI_Form_validation {
 				}
 			}
 
-			// Did the rule test negatively?  If so, grab the error.
+			// Did the rule test negatively? If so, grab the error.
 			if ($result === FALSE)
 			{
 				if ( ! isset($this->_error_messages[$rule]))
@@ -664,7 +664,7 @@ class CI_Form_validation {
 				}
 
 				// Is the parameter we are inserting into the error message the name
-				// of another field?  If so we need to grab its "field label"
+				// of another field? If so we need to grab its "field label"
 				if (isset($this->_field_data[$param]) AND isset($this->_field_data[$param]['label']))
 				{
 					$param = $this->_translate_fieldname($this->_field_data[$param]['label']);
@@ -704,7 +704,7 @@ class CI_Form_validation {
 			// Grab the variable
 			$line = substr($fieldname, 5);
 
-			// Were we able to translate the field name?  If not we use $line
+			// Were we able to translate the field name? If not we use $line
 			if (FALSE === ($fieldname = $this->CI->lang->line($line)))
 			{
 				return $line;
@@ -735,7 +735,7 @@ class CI_Form_validation {
 		}
 
 		// If the data is an array output them one at a time.
-		//     E.g: form_input('name[]', set_value('name[]');
+		//   E.g: form_input('name[]', set_value('name[]');
 		if (is_array($this->_field_data[$field]['postdata']))
 		{
 			return array_shift($this->_field_data[$field]['postdata']);
@@ -914,7 +914,7 @@ class CI_Form_validation {
 			return FALSE;
 		}
 
-		return  TRUE;
+		return TRUE;
 	}
 
 	// --------------------------------------------------------------------
@@ -1207,7 +1207,7 @@ class CI_Form_validation {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Is a Natural number  (0,1,2,3, etc.)
+	 * Is a Natural number (0,1,2,3, etc.)
 	 *
 	 * @access	public
 	 * @param	string
@@ -1221,7 +1221,7 @@ class CI_Form_validation {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Is a Natural number, but not a zero  (1,2,3, etc.)
+	 * Is a Natural number, but not a zero (1,2,3, etc.)
 	 *
 	 * @access	public
 	 * @param	string
@@ -1354,7 +1354,7 @@ class CI_Form_validation {
 	 */
 	function encode_php_tags($str)
 	{
-		return str_replace(array('<?php', '<?PHP', '<?', '?>'),  array('&lt;?php', '&lt;?PHP', '&lt;?', '?&gt;'), $str);
+		return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('&lt;?php', '&lt;?PHP', '&lt;?', '?&gt;'), $str);
 	}
 
 }
diff --git a/system/libraries/Ftp.php b/system/libraries/Ftp.php
index d7a8b3b02..859cc9c30 100644
--- a/system/libraries/Ftp.php
+++ b/system/libraries/Ftp.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -158,7 +158,7 @@ class CI_FTP {
 	 *
 	 * The second parameter lets us momentarily turn off debugging so that
 	 * this function can be used to test for the existence of a folder
-	 * without throwing an error.  There's no FTP equivalent to is_dir()
+	 * without throwing an error. There's no FTP equivalent to is_dir()
 	 * so we do it by trying to change to a particular directory.
 	 * Internally, this parameter is only used by the "mirror" function below.
 	 *
@@ -417,7 +417,7 @@ class CI_FTP {
 		}
 
 		// Add a trailing slash to the file path if needed
-		$filepath = preg_replace("/(.+?)\/*$/", "\\1/",  $filepath);
+		$filepath = preg_replace("/(.+?)\/*$/", "\\1/", $filepath);
 
 		$list = $this->list_files($filepath);
 
@@ -513,7 +513,7 @@ class CI_FTP {
 	 * Read a directory and recreate it remotely
 	 *
 	 * This function recursively reads a folder and everything it contains (including
-	 * sub-folders) and creates a mirror via FTP based on it.  Whatever the directory structure
+	 * sub-folders) and creates a mirror via FTP based on it. Whatever the directory structure
 	 * of the original file path will be recreated on the server.
 	 *
 	 * @access	public
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index 8902f524d..099a238dd 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -26,7 +26,7 @@
  */
 class CI_Image_lib {
 
-	var $image_library		= 'gd2';	// Can be:  imagemagick, netpbm, gd, gd2
+	var $image_library		= 'gd2';	// Can be: imagemagick, netpbm, gd, gd2
 	var $library_path		= '';
 	var $dynamic_output		= FALSE;	// Whether to send to browser or write to disk
 	var $source_image		= '';
@@ -37,28 +37,28 @@ class CI_Image_lib {
 	var $create_thumb		= FALSE;
 	var $thumb_marker		= '_thumb';
 	var $maintain_ratio		= TRUE;		// Whether to maintain aspect ratio when resizing or use hard values
-	var $master_dim			= 'auto';	// auto, height, or width.  Determines what to use as the master dimension
+	var $master_dim			= 'auto';	// auto, height, or width. Determines what to use as the master dimension
 	var $rotation_angle		= '';
 	var $x_axis				= '';
 	var	$y_axis				= '';
 
 	// Watermark Vars
 	var $wm_text			= '';			// Watermark text if graphic is not used
-	var $wm_type			= 'text';		// Type of watermarking.  Options:  text/overlay
+	var $wm_type			= 'text';		// Type of watermarking. Options: text/overlay
 	var $wm_x_transp		= 4;
 	var $wm_y_transp		= 4;
 	var $wm_overlay_path	= '';			// Watermark image path
 	var $wm_font_path		= '';			// TT font
 	var $wm_font_size		= 17;			// Font size (different versions of GD will either use points or pixels)
-	var $wm_vrt_alignment	= 'B';			// Vertical alignment:   T M B
+	var $wm_vrt_alignment	= 'B';			// Vertical alignment:  T M B
 	var $wm_hor_alignment	= 'C';			// Horizontal alignment: L R C
 	var $wm_padding			= 0;			// Padding around text
 	var $wm_hor_offset		= 0;			// Lets you push text to the right
-	var $wm_vrt_offset		= 0;			// Lets you push  text down
+	var $wm_vrt_offset		= 0;			// Lets you push text down
 	var $wm_font_color		= '#ffffff';	// Text color
 	var $wm_shadow_color	= '';			// Dropshadow color
 	var $wm_shadow_distance	= 2;			// Dropshadow distance
-	var $wm_opacity			= 50;			// Image opacity: 1 - 100  Only works with image
+	var $wm_opacity			= 50;			// Image opacity: 1 - 100 Only works with image
 
 	// Private Vars
 	var $source_folder		= '';
@@ -146,14 +146,14 @@ class CI_Image_lib {
 		if ($this->source_image == '')
 		{
 			$this->set_error('imglib_source_image_required');
-			return FALSE;	
+			return FALSE;
 		}
 
 		/*
 		 * Is getimagesize() Available?
 		 *
 		 * We use it to determine the image properties (width/height).
-		 * Note:  We need to figure out how to determine image
+		 * Note: We need to figure out how to determine image
 		 * properties using ImageMagick and NetPBM
 		 *
 		 */
@@ -189,7 +189,7 @@ class CI_Image_lib {
 		// Set the Image Properties
 		if ( ! $this->get_image_properties($this->source_folder.$this->source_image))
 		{
-			return FALSE;	
+			return FALSE;
 		}
 
 		/*
@@ -197,7 +197,7 @@ class CI_Image_lib {
 		 *
 		 * If the user has set a "new_image" name it means
 		 * we are making a copy of the source image. If not
-		 * it means we are altering the original.  We'll
+		 * it means we are altering the original. We'll
 		 * set the destination filename and path accordingly.
 		 *
 		 */
@@ -267,7 +267,7 @@ class CI_Image_lib {
 		 *
 		 * When creating thumbs or copies, the target width/height
 		 * might not be in correct proportion with the source
-		 * image's width/height.  We'll recalculate it here.
+		 * image's width/height. We'll recalculate it here.
 		 *
 		 */
 		if ($this->maintain_ratio === TRUE && ($this->width != '' AND $this->height != ''))
@@ -399,7 +399,7 @@ class CI_Image_lib {
 		if ($this->rotation_angle == '' OR ! in_array($this->rotation_angle, $degs))
 		{
 			$this->set_error('imglib_rotation_angle_required');
-			return FALSE;	
+			return FALSE;
 		}
 
 		// Reassign the width and height
@@ -469,8 +469,8 @@ class CI_Image_lib {
 		// Let's set up our values based on the action
 		if ($action == 'crop')
 		{
-			//  Reassign the source width/height if cropping
-			$this->orig_width  = $this->width;
+			// Reassign the source width/height if cropping
+			$this->orig_width = $this->width;
 			$this->orig_height = $this->height;
 
 			// GD 2.0 has a cropping bug so we'll test for it
@@ -487,19 +487,19 @@ class CI_Image_lib {
 			$this->y_axis = 0;
 		}
 
-		//  Create the image handle
+		// Create the image handle
 		if ( ! ($src_img = $this->image_create_gd()))
 		{
 			return FALSE;
 		}
 
-		//  Create The Image
+		// Create The Image
 		//
-		//  old conditional which users report cause problems with shared GD libs who report themselves as "2.0 or greater"
-		//  it appears that this is no longer the issue that it was in 2004, so we've removed it, retaining it in the comment
-		//  below should that ever prove inaccurate.
+		// old conditional which users report cause problems with shared GD libs who report themselves as "2.0 or greater"
+		// it appears that this is no longer the issue that it was in 2004, so we've removed it, retaining it in the comment
+		// below should that ever prove inaccurate.
 		//
-		//  if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor') AND $v2_override == FALSE)
+		// if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor') AND $v2_override == FALSE)
 		if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor'))
 		{
 			$create	= 'imagecreatetruecolor';
@@ -521,7 +521,7 @@ class CI_Image_lib {
 
 		$copy($dst_img, $src_img, 0, 0, $this->x_axis, $this->y_axis, $this->width, $this->height, $this->orig_width, $this->orig_height);
 
-		//  Show the image
+		// Show the image
 		if ($this->dynamic_output == TRUE)
 		{
 			$this->image_display_gd($dst_img);
@@ -535,7 +535,7 @@ class CI_Image_lib {
 			}
 		}
 
-		//  Kill the file handles
+		// Kill the file handles
 		imagedestroy($dst_img);
 		imagedestroy($src_img);
 
@@ -558,7 +558,7 @@ class CI_Image_lib {
 	 */
 	function image_process_imagemagick($action = 'resize')
 	{
-		//  Do we have a vaild library path?
+		// Do we have a vaild library path?
 		if ($this->library_path == '')
 		{
 			$this->set_error('imglib_libpath_invalid');
@@ -593,7 +593,7 @@ class CI_Image_lib {
 
 			$cmd .= " ".$angle." \"$this->full_src_path\" \"$this->full_dst_path\" 2>&1";
 		}
-		else  // Resize
+		else // Resize
 		{
 			$cmd .= " -resize ".$this->width."x".$this->height." \"$this->full_src_path\" \"$this->full_dst_path\" 2>&1";
 		}
@@ -634,7 +634,7 @@ class CI_Image_lib {
 			return FALSE;
 		}
 
-		//  Build the resizing command
+		// Build the resizing command
 		switch ($this->image_type)
 		{
 			case 1 :
@@ -684,7 +684,7 @@ class CI_Image_lib {
 
 		@exec($cmd, $output, $retval);
 
-		//  Did it work?
+		// Did it work?
 		if ($retval > 0)
 		{
 			$this->set_error('imglib_image_process_failed');
@@ -711,7 +711,7 @@ class CI_Image_lib {
 	 */
 	function image_rotate_gd()
 	{
-		//  Create the image handle
+		// Create the image handle
 		if ( ! ($src_img = $this->image_create_gd()))
 		{
 			return FALSE;
@@ -724,10 +724,10 @@ class CI_Image_lib {
 
 		$white	= imagecolorallocate($src_img, 255, 255, 255);
 
-		//  Rotate it!
+		// Rotate it!
 		$dst_img = imagerotate($src_img, $this->rotation_angle, $white);
 
-		//  Save the Image
+		// Save the Image
 		if ($this->dynamic_output == TRUE)
 		{
 			$this->image_display_gd($dst_img);
@@ -741,7 +741,7 @@ class CI_Image_lib {
 			}
 		}
 
-		//  Kill the file handles
+		// Kill the file handles
 		imagedestroy($dst_img);
 		imagedestroy($src_img);
 
@@ -769,14 +769,14 @@ class CI_Image_lib {
 			return FALSE;
 		}
 
-		$width  = $this->orig_width;
+		$width = $this->orig_width;
 		$height = $this->orig_height;
 
 		if ($this->rotation_angle == 'hor')
 		{
 			for ($i = 0; $i < $height; $i++)
 			{
-				$left  = 0;
+				$left = 0;
 				$right = $width-1;
 
 				while ($left < $right)
@@ -813,7 +813,7 @@ class CI_Image_lib {
 			}
 		}
 
-		//  Show the image
+		// Show the image
 		if ($this->dynamic_output == TRUE)
 		{
 			$this->image_display_gd($src_img);
@@ -827,7 +827,7 @@ class CI_Image_lib {
 			}
 		}
 
-		//  Kill the file handles
+		// Kill the file handles
 		imagedestroy($src_img);
 
 		// Set the file to 777
@@ -876,24 +876,24 @@ class CI_Image_lib {
 			return FALSE;
 		}
 
-		//  Fetch source image properties
+		// Fetch source image properties
 		$this->get_image_properties();
 
-		//  Fetch watermark image properties
+		// Fetch watermark image properties
 		$props			= $this->get_image_properties($this->wm_overlay_path, TRUE);
 		$wm_img_type	= $props['image_type'];
 		$wm_width		= $props['width'];
 		$wm_height		= $props['height'];
 
-		//  Create two image resources
-		$wm_img  = $this->image_create_gd($this->wm_overlay_path, $wm_img_type);
+		// Create two image resources
+		$wm_img = $this->image_create_gd($this->wm_overlay_path, $wm_img_type);
 		$src_img = $this->image_create_gd($this->full_src_path);
 
 		// Reverse the offset if necessary
 		// When the image is positioned at the bottom
 		// we don't want the vertical offset to push it
-		// further down.  We want the reverse, so we'll
-		// invert the offset.  Same with the horizontal
+		// further down. We want the reverse, so we'll
+		// invert the offset. Same with the horizontal
 		// offset when the image is at the right
 
 		$this->wm_vrt_alignment = strtoupper(substr($this->wm_vrt_alignment, 0, 1));
@@ -905,11 +905,11 @@ class CI_Image_lib {
 		if ($this->wm_hor_alignment == 'R')
 			$this->wm_hor_offset = $this->wm_hor_offset * -1;
 
-		//  Set the base x and y axis values
+		// Set the base x and y axis values
 		$x_axis = $this->wm_hor_offset + $this->wm_padding;
 		$y_axis = $this->wm_vrt_offset + $this->wm_padding;
 
-		//  Set the vertical position
+		// Set the vertical position
 		switch ($this->wm_vrt_alignment)
 		{
 			case 'T':
@@ -920,7 +920,7 @@ class CI_Image_lib {
 				break;
 		}
 
-		//  Set the horizontal position
+		// Set the horizontal position
 		switch ($this->wm_hor_alignment)
 		{
 			case 'L':
@@ -931,7 +931,7 @@ class CI_Image_lib {
 				break;
 		}
 
-		//  Build the finalized image
+		// Build the finalized image
 		if ($wm_img_type == 3 AND function_exists('imagealphablending'))
 		{
 			@imagealphablending($src_img, TRUE);
@@ -954,7 +954,7 @@ class CI_Image_lib {
 			imagecopymerge($src_img, $wm_img, $x_axis, $y_axis, 0, 0, $wm_width, $wm_height, $this->wm_opacity);
 		}
 
-		//  Output the image
+		// Output the image
 		if ($this->dynamic_output == TRUE)
 		{
 			$this->image_display_gd($src_img);
@@ -994,7 +994,7 @@ class CI_Image_lib {
 			return FALSE;
 		}
 
-		//  Fetch source image properties
+		// Fetch source image properties
 		$this->get_image_properties();
 
 		// Set RGB values for text and shadow
@@ -1015,8 +1015,8 @@ class CI_Image_lib {
 		// Reverse the vertical offset
 		// When the image is positioned at the bottom
 		// we don't want the vertical offset to push it
-		// further down.  We want the reverse, so we'll
-		// invert the offset.  Note: The horizontal
+		// further down. We want the reverse, so we'll
+		// invert the offset. Note: The horizontal
 		// offset flips itself automatically
 
 		if ($this->wm_vrt_alignment == 'B')
@@ -1033,13 +1033,13 @@ class CI_Image_lib {
 			if ($this->wm_font_size == '')
 				$this->wm_font_size = '17';
 
-			$fontwidth  = $this->wm_font_size-($this->wm_font_size/4);
+			$fontwidth = $this->wm_font_size-($this->wm_font_size/4);
 			$fontheight = $this->wm_font_size;
 			$this->wm_vrt_offset += $this->wm_font_size;
 		}
 		else
 		{
-			$fontwidth  = imagefontwidth($this->wm_font_size);
+			$fontwidth = imagefontwidth($this->wm_font_size);
 			$fontheight = imagefontheight($this->wm_font_size);
 		}
 
@@ -1080,11 +1080,11 @@ class CI_Image_lib {
 			case "C":
 						if ($this->wm_use_drop_shadow)
 							$x_shad += floor(($this->orig_width - $fontwidth*strlen($this->wm_text))/2);
-							$x_axis += floor(($this->orig_width  -$fontwidth*strlen($this->wm_text))/2);
+							$x_axis += floor(($this->orig_width -$fontwidth*strlen($this->wm_text))/2);
 				break;
 		}
 
-		//  Add the text to the source image
+		// Add the text to the source image
 		if ($this->wm_use_truetype)
 		{
 			if ($this->wm_use_drop_shadow)
@@ -1098,7 +1098,7 @@ class CI_Image_lib {
 				imagestring($src_img, $this->wm_font_size, $x_axis, $y_axis, $this->wm_text, $txt_color);
 		}
 
-		//  Output the final image
+		// Output the final image
 		if ($this->dynamic_output == TRUE)
 		{
 			$this->image_display_gd($src_img);
@@ -1366,7 +1366,7 @@ class CI_Image_lib {
 	 * Size calculator
 	 *
 	 * This function takes a known width x height and
-	 * recalculates it to a new size.  Only one
+	 * recalculates it to a new size. Only one
 	 * new variable needs to be known
 	 *
 	 *	$props = array(
@@ -1374,7 +1374,7 @@ class CI_Image_lib {
 	 *					'height'		=> $height,
 	 *					'new_width'		=> 40,
 	 *					'new_height'	=> ''
-	 *				  );
+	 *				 );
 	 *
 	 * @access	public
 	 * @param	array
@@ -1418,10 +1418,10 @@ class CI_Image_lib {
 	 * Explode source_image
 	 *
 	 * This is a helper function that extracts the extension
-	 * from the source_image.  This function lets us deal with
-	 * source_images with multiple periods, like:  my.cool.jpg
+	 * from the source_image. This function lets us deal with
+	 * source_images with multiple periods, like: my.cool.jpg
 	 * It returns an associative array with two elements:
-	 * $array['ext']  = '.jpg';
+	 * $array['ext'] = '.jpg';
 	 * $array['name'] = 'my.cool';
 	 *
 	 * @access	public
diff --git a/system/libraries/Javascript.php b/system/libraries/Javascript.php
index 34e0d7001..9e42a4385 100644
--- a/system/libraries/Javascript.php
+++ b/system/libraries/Javascript.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -49,10 +49,10 @@ class CI_Javascript {
 		// make js to refer to current library
 		$this->js =& $this->CI->$js_library_driver;
 
-		log_message('debug', "Javascript Class Initialized and loaded.  Driver used: $js_library_driver");
+		log_message('debug', "Javascript Class Initialized and loaded. Driver used: $js_library_driver");
 	}
 
-	// --------------------------------------------------------------------	
+	// --------------------------------------------------------------------
 	// Event Code
 	// --------------------------------------------------------------------
 
@@ -378,7 +378,7 @@ class CI_Javascript {
 		return $this->js->_unload($element, $js);
 	}
 
-	// --------------------------------------------------------------------	
+	// --------------------------------------------------------------------
 	// Effects
 	// --------------------------------------------------------------------
 
@@ -685,7 +685,7 @@ class CI_Javascript {
 
 		return $str;
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
@@ -855,7 +855,7 @@ class CI_Javascript {
 		}
 		elseif (is_string($result) OR $is_key)
 		{
-			return '"'.str_replace(array('\\', "\t", "\n", "\r", '"', '/'), array('\\\\', '\\t', '\\n', "\\r", '\"', '\/'), $result).'"';			
+			return '"'.str_replace(array('\\', "\t", "\n", "\r", '"', '/'), array('\\\\', '\\t', '\\n', "\\r", '\"', '\/'), $result).'"';
 		}
 		elseif (is_scalar($result))
 		{
diff --git a/system/libraries/Log.php b/system/libraries/Log.php
index 9f1db76ba..2505fc678 100644
--- a/system/libraries/Log.php
+++ b/system/libraries/Log.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -30,7 +30,7 @@ class CI_Log {
 	protected $_threshold	= 1;
 	protected $_date_fmt	= 'Y-m-d H:i:s';
 	protected $_enabled	= TRUE;
-	protected $_levels	= array('ERROR' => '1', 'DEBUG' => '2',  'INFO' => '3', 'ALL' => '4');
+	protected $_levels	= array('ERROR' => '1', 'DEBUG' => '2', 'INFO' => '3', 'ALL' => '4');
 
 	/**
 	 * Constructor
@@ -84,11 +84,11 @@ class CI_Log {
 		}
 
 		$filepath = $this->_log_path.'log-'.date('Y-m-d').'.php';
-		$message  = '';
+		$message = '';
 
 		if ( ! file_exists($filepath))
 		{
-			$message .= "<"."?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed'); ?".">\n\n";
+			$message .= "<"."?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); ?".">\n\n";
 		}
 
 		if ( ! $fp = @fopen($filepath, FOPEN_WRITE_CREATE))
diff --git a/system/libraries/Pagination.php b/system/libraries/Pagination.php
index cc62e660b..d9c22d501 100644
--- a/system/libraries/Pagination.php
+++ b/system/libraries/Pagination.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -30,10 +30,10 @@ class CI_Pagination {
 	var $prefix				= ''; // A custom prefix added to the path.
 	var $suffix				= ''; // A custom suffix added to the path.
 
-	var $total_rows			=  0; // Total number of items (database results)
+	var $total_rows			= 0; // Total number of items (database results)
 	var $per_page			= 10; // Max number of items you want shown per page
-	var $num_links			=  2; // Number of "digit" links to show before/after the currently viewed page
-	var $cur_page			=  0; // The current page being viewed
+	var $num_links			= 2; // Number of "digit" links to show before/after the currently viewed page
+	var $cur_page			= 0; // The current page being viewed
 	var $first_link			= '&lsaquo; First';
 	var $next_link			= '&gt;';
 	var $prev_link			= '&lt;';
@@ -177,9 +177,9 @@ class CI_Pagination {
 		// Calculate the start and end numbers. These determine
 		// which number to start and end the digit links with
 		$start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
-		$end   = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;
+		$end  = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;
 
-		// Is pagination being used over GET or POST?  If get, add a per_page query
+		// Is pagination being used over GET or POST? If get, add a per_page query
 		// string. If post, add a trailing slash to the base URL if needed
 		if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)
 		{
@@ -194,14 +194,14 @@ class CI_Pagination {
 		$output = '';
 
 		// Render the "First" link
-		if  ($this->first_link !== FALSE AND $this->cur_page > ($this->num_links + 1))
+		if ($this->first_link !== FALSE AND $this->cur_page > ($this->num_links + 1))
 		{
 			$first_url = ($this->first_url == '') ? $this->base_url : $this->first_url;
 			$output .= $this->first_tag_open.'<a '.$this->anchor_class.'href="'.$first_url.'">'.$this->first_link.'</a>'.$this->first_tag_close;
 		}
 
 		// Render the "previous" link
-		if  ($this->prev_link !== FALSE AND $this->cur_page != 1)
+		if ($this->prev_link !== FALSE AND $this->cur_page != 1)
 		{
 			$i = $uri_page_number - $this->per_page;
 
@@ -263,7 +263,7 @@ class CI_Pagination {
 			$output .= $this->last_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.$i.$this->suffix.'">'.$this->last_link.'</a>'.$this->last_tag_close;
 		}
 
-		// Kill double slashes.  Note: Sometimes we can end up with a double slash
+		// Kill double slashes. Note: Sometimes we can end up with a double slash
 		// in the penultimate link so we'll kill all double slashes.
 		$output = preg_replace("#([^:])//+#", "\\1/", $output);
 
diff --git a/system/libraries/Parser.php b/system/libraries/Parser.php
index d223da020..f48f2a7e5 100644
--- a/system/libraries/Parser.php
+++ b/system/libraries/Parser.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -31,7 +31,7 @@ class CI_Parser {
 	var $object;
 
 	/**
-	 *  Parse a template
+	 * Parse a template
 	 *
 	 * Parses pseudo-variables contained in the specified template view,
 	 * replacing them with the data in the second param
@@ -53,7 +53,7 @@ class CI_Parser {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Parse a String
+	 * Parse a String
 	 *
 	 * Parses pseudo-variables contained in the specified string,
 	 * replacing them with the data in the second param
@@ -72,7 +72,7 @@ class CI_Parser {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Parse a template
+	 * Parse a template
 	 *
 	 * Parses pseudo-variables contained in the specified template,
 	 * replacing them with the data in the second param
@@ -114,7 +114,7 @@ class CI_Parser {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Set the left/right variable delimiters
+	 * Set the left/right variable delimiters
 	 *
 	 * @access	public
 	 * @param	string
@@ -130,7 +130,7 @@ class CI_Parser {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Parse a single key/value
+	 * Parse a single key/value
 	 *
 	 * @access	private
 	 * @param	string
@@ -146,9 +146,9 @@ class CI_Parser {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Parse a tag pair
+	 * Parse a tag pair
 	 *
-	 * Parses tag pairs:  {some_tag} string... {/some_tag}
+	 * Parses tag pairs: {some_tag} string... {/some_tag}
 	 *
 	 * @access	private
 	 * @param	string
@@ -188,7 +188,7 @@ class CI_Parser {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Matches a variable pair
+	 * Matches a variable pair
 	 *
 	 * @access	private
 	 * @param	string
diff --git a/system/libraries/Profiler.php b/system/libraries/Profiler.php
index 082a5ee1d..96ab15789 100644
--- a/system/libraries/Profiler.php
+++ b/system/libraries/Profiler.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -102,7 +102,7 @@ class CI_Profiler {
 	 *
 	 * This function cycles through the entire array of mark points and
 	 * matches any two points that are named identically (ending in "_start"
-	 * and "_end" respectively).  It then compiles the execution times for
+	 * and "_end" respectively). It then compiles the execution times for
 	 * all points and returns it as an array
 	 *
 	 * @return	array
@@ -125,9 +125,9 @@ class CI_Profiler {
 
 		// Build a table containing the profile data.
 		// Note: At some point we should turn this into a template that can
-		// be modified.  We also might want to make this data available to be logged
+		// be modified. We also might want to make this data available to be logged
 
-		$output  = "\n\n";
+		$output = "\n\n";
 		$output .= '<fieldset id="ci_profiler_benchmarks" style="border:1px solid #900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 		$output .= "\n";
 		$output .= '<legend style="color:#900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks').'&nbsp;&nbsp;</legend>';
@@ -168,7 +168,7 @@ class CI_Profiler {
 
 		if (count($dbs) == 0)
 		{
-			$output  = "\n\n";
+			$output = "\n\n";
 			$output .= '<fieldset id="ci_profiler_queries" style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 			$output .= "\n";
 			$output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>';
@@ -187,7 +187,7 @@ class CI_Profiler {
 		// Key words we want bolded
 		$highlight = array('SELECT', 'DISTINCT', 'FROM', 'WHERE', 'AND', 'LEFT&nbsp;JOIN', 'ORDER&nbsp;BY', 'GROUP&nbsp;BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR&nbsp;', 'HAVING', 'OFFSET', 'NOT&nbsp;IN', 'IN', 'LIKE', 'NOT&nbsp;LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
 
-		$output  = "\n\n";
+		$output = "\n\n";
 
 		$count = 0;
 
@@ -249,7 +249,7 @@ class CI_Profiler {
 	 */
 	protected function _compile_get()
 	{
-		$output  = "\n\n";
+		$output = "\n\n";
 		$output .= '<fieldset id="ci_profiler_get" style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 		$output .= "\n";
 		$output .= '<legend style="color:#cd6e00;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_get_data').'&nbsp;&nbsp;</legend>';
@@ -298,7 +298,7 @@ class CI_Profiler {
 	 */
 	protected function _compile_post()
 	{
-		$output  = "\n\n";
+		$output = "\n\n";
 		$output .= '<fieldset id="ci_profiler_post" style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 		$output .= "\n";
 		$output .= '<legend style="color:#009900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data').'&nbsp;&nbsp;</legend>';
@@ -347,7 +347,7 @@ class CI_Profiler {
 	 */
 	protected function _compile_uri_string()
 	{
-		$output  = "\n\n";
+		$output = "\n\n";
 		$output .= '<fieldset id="ci_profiler_uri_string" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 		$output .= "\n";
 		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_uri_string').'&nbsp;&nbsp;</legend>';
@@ -376,7 +376,7 @@ class CI_Profiler {
 	 */
 	protected function _compile_controller_info()
 	{
-		$output  = "\n\n";
+		$output = "\n\n";
 		$output .= '<fieldset id="ci_profiler_controller_info" style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 		$output .= "\n";
 		$output .= '<legend style="color:#995300;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_controller_info').'&nbsp;&nbsp;</legend>';
@@ -400,7 +400,7 @@ class CI_Profiler {
 	 */
 	protected function _compile_memory_usage()
 	{
-		$output  = "\n\n";
+		$output = "\n\n";
 		$output .= '<fieldset id="ci_profiler_memory_usage" style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 		$output .= "\n";
 		$output .= '<legend style="color:#5a0099;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage').'&nbsp;&nbsp;</legend>';
@@ -431,7 +431,7 @@ class CI_Profiler {
 	 */
 	protected function _compile_http_headers()
 	{
-		$output  = "\n\n";
+		$output = "\n\n";
 		$output .= '<fieldset id="ci_profiler_http_headers" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 		$output .= "\n";
 		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_headers').'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_httpheaders_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>';
@@ -462,7 +462,7 @@ class CI_Profiler {
 	 */
 	protected function _compile_config()
 	{
-		$output  = "\n\n";
+		$output = "\n\n";
 		$output .= '<fieldset id="ci_profiler_config" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 		$output .= "\n";
 		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_config').'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_config_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>';
diff --git a/system/libraries/Session.php b/system/libraries/Session.php
index 2c8a80163..76525dbb8 100644
--- a/system/libraries/Session.php
+++ b/system/libraries/Session.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -81,14 +81,14 @@ class CI_Session {
 			$this->CI->load->library('encrypt');
 		}
 
-		// Are we using a database?  If so, load it
+		// Are we using a database? If so, load it
 		if ($this->sess_use_database === TRUE AND $this->sess_table_name != '')
 		{
 			$this->CI->load->database();
 		}
 
-		// Set the "now" time.  Can either be GMT or server time, based on the
-		// config prefs.  We use this to set the "last activity" time
+		// Set the "now" time. Can either be GMT or server time, based on the
+		// config prefs. We use this to set the "last activity" time
 		$this->now = $this->_get_time();
 
 		// Set the session length. If the session expiration is
@@ -97,12 +97,12 @@ class CI_Session {
 		{
 			$this->sess_expiration = (60*60*24*365*2);
 		}
-		
+
 		// Set the cookie name
 		$this->sess_cookie_name = $this->cookie_prefix.$this->sess_cookie_name;
 
 		// Run the Session routine. If a session doesn't exist we'll
-		// create a new one.  If it does, we'll update it.
+		// create a new one. If it does, we'll update it.
 		if ( ! $this->sess_read())
 		{
 			$this->sess_create();
@@ -137,7 +137,7 @@ class CI_Session {
 		// Fetch the cookie
 		$session = $this->CI->input->cookie($this->sess_cookie_name);
 
-		// No cookie?  Goodbye cruel world!...
+		// No cookie? Goodbye cruel world!...
 		if ($session === FALSE)
 		{
 			log_message('debug', 'A session cookie was not found.');
@@ -155,8 +155,8 @@ class CI_Session {
 			$hash	 = substr($session, strlen($session)-32); // get last 32 chars
 			$session = substr($session, 0, strlen($session)-32);
 
-			// Does the md5 hash match?  This is to prevent manipulation of session data in userspace
-			if ($hash !==  md5($session.$this->encryption_key))
+			// Does the md5 hash match? This is to prevent manipulation of session data in userspace
+			if ($hash !== md5($session.$this->encryption_key))
 			{
 				log_message('error', 'The session cookie data did not match what was expected. This could be a possible hacking attempt.');
 				$this->sess_destroy();
@@ -212,14 +212,14 @@ class CI_Session {
 
 			$query = $this->CI->db->get($this->sess_table_name);
 
-			// No result?  Kill it!
+			// No result? Kill it!
 			if ($query->num_rows() == 0)
 			{
 				$this->sess_destroy();
 				return FALSE;
 			}
 
-			// Is there custom data?  If so, add it to the main session array
+			// Is there custom data? If so, add it to the main session array
 			$row = $query->row();
 			if (isset($row->user_data) AND $row->user_data != '')
 			{
@@ -252,7 +252,7 @@ class CI_Session {
 	 */
 	function sess_write()
 	{
-		// Are we saving custom data to the DB?  If not, all we do is update the cookie
+		// Are we saving custom data to the DB? If not, all we do is update the cookie
 		if ($this->sess_use_database === FALSE)
 		{
 			$this->_set_cookie();
@@ -272,7 +272,7 @@ class CI_Session {
 			$cookie_userdata[$val] = $this->userdata[$val];
 		}
 
-		// Did we find any custom data?  If not, we turn the empty array into a string
+		// Did we find any custom data? If not, we turn the empty array into a string
 		// since there's no reason to serialize and store an empty array in the DB
 		if (count($custom_userdata) === 0)
 		{
@@ -288,7 +288,7 @@ class CI_Session {
 		$this->CI->db->where('session_id', $this->userdata['session_id']);
 		$this->CI->db->update($this->sess_table_name, array('last_activity' => $this->userdata['last_activity'], 'user_data' => $custom_userdata));
 
-		// Write the cookie.  Notice that we manually pass the cookie data array to the
+		// Write the cookie. Notice that we manually pass the cookie data array to the
 		// _set_cookie() function. Normally that function will store $this->userdata, but
 		// in this case that array contains custom data, which we do not want in the cookie.
 		$this->_set_cookie($cookie_userdata);
@@ -535,7 +535,7 @@ class CI_Session {
 	 */
 	function keep_flashdata($key)
 	{
-		// 'old' flashdata gets removed.  Here we mark all
+		// 'old' flashdata gets removed. Here we mark all
 		// flashdata as 'new' to preserve it from _flashdata_sweep()
 		// Note the function will return FALSE if the $key
 		// provided cannot be found
diff --git a/system/libraries/Sha1.php b/system/libraries/Sha1.php
index 1a657572b..04e07d1c1 100644
--- a/system/libraries/Sha1.php
+++ b/system/libraries/Sha1.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -74,10 +74,10 @@ class CI_SHA1 {
 
 		$x[$n * 16 - 1] = strlen($str) * 8;
 
-		$a =  1732584193;
+		$a = 1732584193;
 		$b = -271733879;
 		$c = -1732584194;
-		$d =  271733878;
+		$d = 271733878;
 		$e = -1009589776;
 
 		for ($i = 0; $i < count($x); $i += 16)
@@ -142,7 +142,7 @@ class CI_SHA1 {
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Return result based on iteration
+	 * Return result based on iteration
 	 *
 	 * @access	private
 	 * @return	string
diff --git a/system/libraries/Table.php b/system/libraries/Table.php
index def696776..764df37da 100644
--- a/system/libraries/Table.php
+++ b/system/libraries/Table.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -81,9 +81,9 @@ class CI_Table {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Set columns.  Takes a one-dimensional array as input and creates
+	 * Set columns. Takes a one-dimensional array as input and creates
 	 * a multi-dimensional array with a depth equal to the number of
-	 * columns.  This allows a single array with many elements to  be
+	 * columns. This allows a single array with many elements to be
 	 * displayed in a table that has a fixed column count.
 	 *
 	 * @access	public
@@ -247,7 +247,7 @@ class CI_Table {
 			}
 		}
 
-		// Is there anything to display?  No?  Smite them!
+		// Is there anything to display? No? Smite them!
 		if (count($this->heading) == 0 AND count($this->rows) == 0)
 		{
 			return 'Undefined table data';
@@ -376,7 +376,7 @@ class CI_Table {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Clears the table arrays.  Useful if multiple tables are being generated
+	 * Clears the table arrays. Useful if multiple tables are being generated
 	 *
 	 * @access	public
 	 * @return	void
@@ -495,7 +495,7 @@ class CI_Table {
 	 */
 	function _default_template()
 	{
-		return  array (
+		return array (
 						'table_open'			=> '<table border="0" cellpadding="4" cellspacing="0">',
 
 						'thead_open'			=> '<thead>',
diff --git a/system/libraries/Trackback.php b/system/libraries/Trackback.php
index b0a767822..b0f8a9098 100644
--- a/system/libraries/Trackback.php
+++ b/system/libraries/Trackback.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -125,7 +125,7 @@ class CI_Trackback {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Receive Trackback  Data
+	 * Receive Trackback Data
 	 *
 	 * This function simply validates the incoming TB data.
 	 * It returns FALSE on failure and TRUE on success.
@@ -170,7 +170,7 @@ class CI_Trackback {
 	/**
 	 * Send Trackback Error Message
 	 *
-	 * Allows custom errors to be set.  By default it
+	 * Allows custom errors to be set. By default it
 	 * sends the "incomplete information" error, as that's
 	 * the most common one.
 	 *
@@ -221,7 +221,7 @@ class CI_Trackback {
 	 * Process Trackback
 	 *
 	 * Opens a socket connection and passes the data to
-	 * the server.  Returns TRUE on success, FALSE on failure
+	 * the server. Returns TRUE on success, FALSE on failure
 	 *
 	 * @access	public
 	 * @param	string
@@ -359,11 +359,11 @@ class CI_Trackback {
 		if (strpos($url, '?') !== FALSE)
 		{
 			$tb_array = explode('/', $url);
-			$tb_end   = $tb_array[count($tb_array)-1];
+			$tb_end  = $tb_array[count($tb_array)-1];
 
 			if ( ! is_numeric($tb_end))
 			{
-				$tb_end  = $tb_array[count($tb_array)-2];
+				$tb_end = $tb_array[count($tb_array)-2];
 			}
 
 			$tb_array = explode('=', $tb_end);
@@ -378,7 +378,7 @@ class CI_Trackback {
 
 			if ( ! is_numeric($tb_id))
 			{
-				$tb_id  = $tb_array[count($tb_array)-2];
+				$tb_id = $tb_array[count($tb_array)-2];
 			}
 		}
 
@@ -406,7 +406,7 @@ class CI_Trackback {
 		$temp = '__TEMP_AMPERSANDS__';
 
 		$str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
-		$str = preg_replace("/&(\w+);/",  "$temp\\1;", $str);
+		$str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
 
 		$str = str_replace(array("&","<",">","\"", "'", "-"),
 							array("&amp;", "&lt;", "&gt;", "&quot;", "&#39;", "&#45;"),
diff --git a/system/libraries/Typography.php b/system/libraries/Typography.php
index 734cec104..3ceb0b52b 100644
--- a/system/libraries/Typography.php
+++ b/system/libraries/Typography.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -53,7 +53,7 @@ class CI_Typography {
 	 *	- Converts single and double quotes into correctly facing curly quote entities.
 	 *	- Converts three dots into ellipsis.
 	 *	- Converts double dashes into em-dashes.
-	 *  - Converts two spaces into entities
+	 * - Converts two spaces into entities
 	 *
 	 * @access	public
 	 * @param	string
@@ -73,7 +73,7 @@ class CI_Typography {
 			$str = str_replace(array("\r\n", "\r"), "\n", $str);
 		}
 
-		// Reduce line breaks.  If there are more than two consecutive linebreaks
+		// Reduce line breaks. If there are more than two consecutive linebreaks
 		// we'll compress them down to a maximum of two since there's no benefit to more.
 		if ($reduce_linebreaks === TRUE)
 		{
@@ -94,7 +94,7 @@ class CI_Typography {
 			}
 		}
 
-		// match and yank <pre> tags if they exist.  It's cheaper to do this separately since most content will
+		// match and yank <pre> tags if they exist. It's cheaper to do this separately since most content will
 		// not contain <pre> tags, and it keeps the PCRE patterns below simpler and faster
 		if (strpos($str, '<pre') !== FALSE)
 		{
@@ -110,12 +110,12 @@ class CI_Typography {
 			$str = preg_replace_callback("#\{.+?\}#si", array($this, '_protect_characters'), $str);
 		}
 
-		// Convert "ignore" tags to temporary marker.  The parser splits out the string at every tag
-		// it encounters.  Certain inline tags, like image tags, links, span tags, etc. will be
+		// Convert "ignore" tags to temporary marker. The parser splits out the string at every tag
+		// it encounters. Certain inline tags, like image tags, links, span tags, etc. will be
 		// adversely affected if they are split out so we'll convert the opening bracket < temporarily to: {@TAG}
 		$str = preg_replace("#<(/*)(".$this->inline_elements.")([ >])#i", "{@TAG}\\1\\2\\3", $str);
 
-		// Split the string at every tag.  This expression creates an array with this prototype:
+		// Split the string at every tag. This expression creates an array with this prototype:
 		//
 		//	[array]
 		//	{
@@ -126,7 +126,7 @@ class CI_Typography {
 		//	}
 		$chunks = preg_split('/(<(?:[^<>]+(?:"[^"]*"|\'[^\']*\')?)+>)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
 
-		// Build our finalized string.  We cycle through the array, skipping tags, and processing the contained text
+		// Build our finalized string. We cycle through the array, skipping tags, and processing the contained text
 		$str = '';
 		$process = TRUE;
 		$paragraph = FALSE;
@@ -143,7 +143,7 @@ class CI_Typography {
 			{
 				if (preg_match("#".$this->skip_elements."#", $match[2]))
 				{
-					$process =  ($match[1] == '/') ? TRUE : FALSE;
+					$process = ($match[1] == '/') ? TRUE : FALSE;
 				}
 
 				if ($match[1] == '')
@@ -161,17 +161,17 @@ class CI_Typography {
 				continue;
 			}
 
-			//  Force a newline to make sure end tags get processed by _format_newlines()
+			// Force a newline to make sure end tags get processed by _format_newlines()
 			if ($current_chunk == $total_chunks)
 			{
 				$chunk .= "\n";
 			}
 
-			//  Convert Newlines into <p> and <br /> tags
+			// Convert Newlines into <p> and <br /> tags
 			$str .= $this->_format_newlines($chunk);
 		}
 
-		// No opening block level tag?  Add it if needed.
+		// No opening block level tag? Add it if needed.
 		if ( ! preg_match("/^\s*<(?:".$this->block_elements.")/i", $str))
 		{
 			$str = preg_replace("/^(.*?)<(".$this->block_elements.")/i", '<p>$1</p><$2', $str);
@@ -204,14 +204,14 @@ class CI_Typography {
 						'#<p></p><('.$this->block_elements.')#'	=> '<$1',
 
 						// Clean up stray non-breaking spaces preceeding block elements
-						'#(&nbsp;\s*)+<('.$this->block_elements.')#'	=> '  <$2',
+						'#(&nbsp;\s*)+<('.$this->block_elements.')#'	=> ' <$2',
 
 						// Replace the temporary markers we added earlier
 						'/\{@TAG\}/'		=> '<',
 						'/\{@DQ\}/'			=> '"',
 						'/\{@SQ\}/'			=> "'",
 						'/\{@DD\}/'			=> '--',
-						'/\{@NBS\}/'		=> '  ',
+						'/\{@NBS\}/'		=> ' ',
 
 						// An unintended consequence of the _format_newlines function is that
 						// some of the newlines get truncated, resulting in <p> tags
@@ -296,7 +296,7 @@ class CI_Typography {
 							'/(\w)\.{3}/'					=> '$1&#8230;',
 
 							// double space after sentences
-							'/(\W)  /'						=> '$1&nbsp; ',
+							'/(\W) /'						=> '$1&nbsp; ',
 
 							// ampersands, if not a character entity
 							'/&(?!#?[a-zA-Z0-9]{2,};)/'		=> '&amp;'
@@ -324,7 +324,7 @@ class CI_Typography {
 			return $str;
 		}
 
-		if (strpos($str, "\n") === FALSE  && ! in_array($this->last_block_element, $this->inner_block_required))
+		if (strpos($str, "\n") === FALSE && ! in_array($this->last_block_element, $this->inner_block_required))
 		{
 			return $str;
 		}
@@ -341,7 +341,7 @@ class CI_Typography {
 			// We trim off the right-side new line so that the closing </p> tag
 			// will be positioned immediately following the string, matching
 			// the behavior of the opening <p> tag
-			$str =  '<p>'.rtrim($str).'</p>';
+			$str = '<p>'.rtrim($str).'</p>';
 		}
 
 		// Remove empty paragraphs if they are on the first line, as this
@@ -367,7 +367,7 @@ class CI_Typography {
 	 */
 	function _protect_characters($match)
 	{
-		return str_replace(array("'",'"','--','  '), array('{@SQ}', '{@DQ}', '{@DD}', '{@NBS}'), $match[0]);
+		return str_replace(array("'",'"','--',' '), array('{@SQ}', '{@DQ}', '{@DD}', '{@NBS}'), $match[0]);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/libraries/Unit_test.php b/system/libraries/Unit_test.php
index 5bd7e801a..c9012f646 100644
--- a/system/libraries/Unit_test.php
+++ b/system/libraries/Unit_test.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index 3177424c4..51fbf772c 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -185,7 +185,7 @@ class CI_Upload {
 				case 8: // UPLOAD_ERR_EXTENSION
 					$this->set_error('upload_stopped_by_extension');
 					break;
-				default :   $this->set_error('upload_no_file_selected');
+				default :  $this->set_error('upload_no_file_selected');
 					break;
 			}
 
@@ -290,7 +290,7 @@ class CI_Upload {
 		/*
 		 * Run the file through the XSS hacking filter
 		 * This helps prevent malicious code from being
-		 * embedded within a file.  Scripts can easily
+		 * embedded within a file. Scripts can easily
 		 * be disguised as images or other file types.
 		 */
 		if ($this->xss_clean)
@@ -305,8 +305,8 @@ class CI_Upload {
 		/*
 		 * Move the file to the final destination
 		 * To deal with different server configurations
-		 * we'll attempt to use copy() first.  If that fails
-		 * we'll use move_uploaded_file().  One of the two should
+		 * we'll attempt to use copy() first. If that fails
+		 * we'll use move_uploaded_file(). One of the two should
 		 * reliably work in most environments
 		 */
 		if ( ! @copy($this->file_temp, $this->upload_path.$this->file_name))
@@ -321,7 +321,7 @@ class CI_Upload {
 		/*
 		 * Set the finalized image dimensions
 		 * This sets the image width/height (assuming the
-		 * file was an image).  We use this information
+		 * file was an image). We use this information
 		 * in the "data" function.
 		 */
 		$this->set_image_properties($this->upload_path.$this->file_name);
@@ -518,7 +518,7 @@ class CI_Upload {
 				$this->image_width		= $D['0'];
 				$this->image_height		= $D['1'];
 				$this->image_type		= ( ! isset($types[$D['2']])) ? 'unknown' : $types[$D['2']];
-				$this->image_size_str	= $D['3'];  // string containing height and width
+				$this->image_size_str	= $D['3']; // string containing height and width
 			}
 		}
 	}
@@ -551,7 +551,7 @@ class CI_Upload {
 		// IE will sometimes return odd mime-types during upload, so here we just standardize all
 		// jpegs or pngs to the same file type.
 
-		$png_mimes  = array('image/x-png');
+		$png_mimes = array('image/x-png');
 		$jpeg_mimes = array('image/jpg', 'image/jpe', 'image/jpeg', 'image/pjpeg');
 
 		if (in_array($this->file_type, $png_mimes))
@@ -642,7 +642,7 @@ class CI_Upload {
 	 */
 	public function is_allowed_filesize()
 	{
-		if ($this->max_size != 0  AND  $this->file_size > $this->max_size)
+		if ($this->max_size != 0 AND $this->file_size > $this->max_size)
 		{
 			return FALSE;
 		}
@@ -721,7 +721,7 @@ class CI_Upload {
 			return FALSE;
 		}
 
-		$this->upload_path = preg_replace("/(.+?)\/*$/", "\\1/",  $this->upload_path);
+		$this->upload_path = preg_replace("/(.+?)\/*$/", "\\1/", $this->upload_path);
 		return TRUE;
 	}
 
@@ -834,7 +834,7 @@ class CI_Upload {
 			$current = ini_get('memory_limit') * 1024 * 1024;
 
 			// There was a bug/behavioural change in PHP 5.2, where numbers over one million get output
-			// into scientific notation.  number_format() ensures this number is an integer
+			// into scientific notation. number_format() ensures this number is an integer
 			// http://bugs.php.net/bug.php?id=43053
 
 			$new_memory = number_format(ceil(filesize($file) + $current), 0, '.', '');
@@ -844,8 +844,8 @@ class CI_Upload {
 
 		// If the file being uploaded is an image, then we should have no problem with XSS attacks (in theory), but
 		// IE can be fooled into mime-type detecting a malformed image as an html file, thus executing an XSS attack on anyone
-		// using IE who looks at the image.  It does this by inspecting the first 255 bytes of an image.  To get around this
-		// CI will itself look at the first 255 bytes of an image to determine its relative safety.  This can save a lot of
+		// using IE who looks at the image. It does this by inspecting the first 255 bytes of an image. To get around this
+		// CI will itself look at the first 255 bytes of an image to determine its relative safety. This can save a lot of
 		// processor power and time if it is actually a clean image, as it will be in nearly all instances _except_ an
 		// attempted XSS attack.
 
@@ -933,7 +933,7 @@ class CI_Upload {
 	/**
 	 * List of Mime Types
 	 *
-	 * This is a list of mime types.  We use it to validate
+	 * This is a list of mime types. We use it to validate
 	 * the "allowed types" set by the developer
 	 *
 	 * @param	string
diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
index 016102a2a..543d1d5a3 100644
--- a/system/libraries/User_agent.php
+++ b/system/libraries/User_agent.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
diff --git a/system/libraries/Xmlrpc.php b/system/libraries/Xmlrpc.php
index 5da6ea6ae..aba609167 100644
--- a/system/libraries/Xmlrpc.php
+++ b/system/libraries/Xmlrpc.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -46,7 +46,7 @@ class CI_Xmlrpc {
 	var $xmlrpcTypes	= array();
 	var $valid_parents	= array();
 	var $xmlrpcerr		= array();	// Response numbers
-	var $xmlrpcstr		= array();  // Response strings
+	var $xmlrpcstr		= array(); // Response strings
 
 	var $xmlrpc_defencoding = 'UTF-8';
 	var $xmlrpcName			= 'XML-RPC for CodeIgniter';
@@ -61,12 +61,12 @@ class CI_Xmlrpc {
 	var $message			= '';
 	var $error				= '';		// Error string for request
 	var $result;
-	var $response			= array();  // Response from remote server
+	var $response			= array(); // Response from remote server
 
 	var $xss_clean			= TRUE;
 
 	//-------------------------------------
-	//  VALUES THAT MULTIPLE CLASSES NEED
+	// VALUES THAT MULTIPLE CLASSES NEED
 	//-------------------------------------
 
 	public function __construct($config = array())
@@ -112,7 +112,7 @@ class CI_Xmlrpc {
 		$this->xmlrpcerr['unknown_method'] = '1';
 		$this->xmlrpcstr['unknown_method'] = 'This is not a known method for this XML-RPC Server';
 		$this->xmlrpcerr['invalid_return'] = '2';
-		$this->xmlrpcstr['invalid_return'] = 'The XML data received was either invalid or not in the correct form for XML-RPC.  Turn on debugging to examine the XML data further.';
+		$this->xmlrpcstr['invalid_return'] = 'The XML data received was either invalid or not in the correct form for XML-RPC. Turn on debugging to examine the XML data further.';
 		$this->xmlrpcerr['incorrect_params'] = '3';
 		$this->xmlrpcstr['incorrect_params'] = 'Incorrect parameters were passed to method';
 		$this->xmlrpcerr['introspect_unknown'] = '4';
@@ -129,7 +129,7 @@ class CI_Xmlrpc {
 
 
 	//-------------------------------------
-	//  Initialize Prefs
+	// Initialize Prefs
 	//-------------------------------------
 
 	function initialize($config = array())
@@ -148,7 +148,7 @@ class CI_Xmlrpc {
 	// END
 
 	//-------------------------------------
-	//  Take URL and parse it
+	// Take URL and parse it
 	//-------------------------------------
 
 	function server($url, $port=80)
@@ -172,7 +172,7 @@ class CI_Xmlrpc {
 	// END
 
 	//-------------------------------------
-	//  Set Timeout
+	// Set Timeout
 	//-------------------------------------
 
 	function timeout($seconds=5)
@@ -185,7 +185,7 @@ class CI_Xmlrpc {
 	// END
 
 	//-------------------------------------
-	//  Set Methods
+	// Set Methods
 	//-------------------------------------
 
 	function method($function)
@@ -195,7 +195,7 @@ class CI_Xmlrpc {
 	// END
 
 	//-------------------------------------
-	//  Take Array of Data and Create Objects
+	// Take Array of Data and Create Objects
 	//-------------------------------------
 
 	function request($incoming)
@@ -216,7 +216,7 @@ class CI_Xmlrpc {
 
 
 	//-------------------------------------
-	//  Set Debug
+	// Set Debug
 	//-------------------------------------
 
 	function set_debug($flag = TRUE)
@@ -225,7 +225,7 @@ class CI_Xmlrpc {
 	}
 
 	//-------------------------------------
-	//  Values Parsing
+	// Values Parsing
 	//-------------------------------------
 
 	function values_parsing($value, $return = FALSE)
@@ -268,7 +268,7 @@ class CI_Xmlrpc {
 
 
 	//-------------------------------------
-	//  Sends XML-RPC Request
+	// Sends XML-RPC Request
 	//-------------------------------------
 
 	function send_request()
@@ -294,7 +294,7 @@ class CI_Xmlrpc {
 	// END
 
 	//-------------------------------------
-	//  Returns Error
+	// Returns Error
 	//-------------------------------------
 
 	function display_error()
@@ -304,7 +304,7 @@ class CI_Xmlrpc {
 	// END
 
 	//-------------------------------------
-	//  Returns Remote Server Response
+	// Returns Remote Server Response
 	//-------------------------------------
 
 	function display_response()
@@ -314,7 +314,7 @@ class CI_Xmlrpc {
 	// END
 
 	//-------------------------------------
-	//  Sends an Error Message for Server Request
+	// Sends an Error Message for Server Request
 	//-------------------------------------
 
 	function send_error_message($number, $message)
@@ -325,7 +325,7 @@ class CI_Xmlrpc {
 
 
 	//-------------------------------------
-	//  Send Response for Server Request
+	// Send Response for Server Request
 	//-------------------------------------
 
 	function send_response($response)
@@ -399,7 +399,7 @@ class XML_RPC_Client extends CI_Xmlrpc
 		}
 
 		$r = "\r\n";
-		$op  = "POST {$this->path} HTTP/1.0$r";
+		$op = "POST {$this->path} HTTP/1.0$r";
 		$op .= "Host: {$this->server}$r";
 		$op .= "Content-Type: text/xml$r";
 		$op .= "User-Agent: {$this->xmlrpcName}$r";
@@ -447,7 +447,7 @@ class XML_RPC_Response
 		else if ( ! is_object($val))
 		{
 			// programmer error, not an object
-			error_log("Invalid type '" . gettype($val) . "' (value: $val) passed to XML_RPC_Response.  Defaulting to empty value.");
+			error_log("Invalid type '" . gettype($val) . "' (value: $val) passed to XML_RPC_Response. Defaulting to empty value.");
 			$this->val = new XML_RPC_Values();
 		}
 		else
@@ -504,7 +504,7 @@ class XML_RPC_Response
 	function decode($array=FALSE)
 	{
 		$CI =& get_instance();
-		
+
 		if ($array !== FALSE && is_array($array))
 		{
 			while (list($key) = each($array))
@@ -541,7 +541,7 @@ class XML_RPC_Response
 
 
 	//-------------------------------------
-	//  XML-RPC Object to PHP Types
+	// XML-RPC Object to PHP Types
 	//-------------------------------------
 
 	function xmlrpc_decoder($xmlrpc_val)
@@ -581,7 +581,7 @@ class XML_RPC_Response
 
 
 	//-------------------------------------
-	//  ISO-8601 time to server or UTC time
+	// ISO-8601 time to server or UTC time
 	//-------------------------------------
 
 	function iso8601_decode($time, $utc=0)
@@ -630,7 +630,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 	}
 
 	//-------------------------------------
-	//  Create Payload to Send
+	// Create Payload to Send
 	//-------------------------------------
 
 	function createPayload()
@@ -650,7 +650,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 	}
 
 	//-------------------------------------
-	//  Parse External XML-RPC Server's Response
+	// Parse External XML-RPC Server's Response
 	//-------------------------------------
 
 	function parseResponse($fp)
@@ -663,7 +663,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  DISPLAY HTTP CONTENT for DEBUGGING
+		// DISPLAY HTTP CONTENT for DEBUGGING
 		//-------------------------------------
 
 		if ($this->debug === TRUE)
@@ -674,7 +674,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  Check for data
+		// Check for data
 		//-------------------------------------
 
 		if ($data == "")
@@ -686,7 +686,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 
 
 		//-------------------------------------
-		//  Check for HTTP 200 Response
+		// Check for HTTP 200 Response
 		//-------------------------------------
 
 		if (strncmp($data, 'HTTP', 4) == 0 && ! preg_match('/^HTTP\/[0-9\.]+ 200 /', $data))
@@ -697,7 +697,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  Create and Set Up XML Parser
+		// Create and Set Up XML Parser
 		//-------------------------------------
 
 		$parser = xml_parser_create($this->xmlrpc_defencoding);
@@ -718,7 +718,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 
 
 		//-------------------------------------
-		//  GET HEADERS
+		// GET HEADERS
 		//-------------------------------------
 
 		$lines = explode("\r\n", $data);
@@ -734,7 +734,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 
 
 		//-------------------------------------
-		//  PARSE XML DATA
+		// PARSE XML DATA
 		//-------------------------------------
 
 		if ( ! xml_parse($parser, $data, count($data)))
@@ -750,7 +750,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 		xml_parser_free($parser);
 
 		// ---------------------------------------
-		//  Got Ourselves Some Badness, It Seems
+		// Got Ourselves Some Badness, It Seems
 		// ---------------------------------------
 
 		if ($this->xh[$parser]['isf'] > 1)
@@ -772,7 +772,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  DISPLAY XML CONTENT for DEBUGGING
+		// DISPLAY XML CONTENT for DEBUGGING
 		//-------------------------------------
 
 		if ($this->debug === TRUE)
@@ -797,7 +797,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  SEND RESPONSE
+		// SEND RESPONSE
 		//-------------------------------------
 
 		$v = $this->xh[$parser]['value'];
@@ -826,21 +826,21 @@ class XML_RPC_Message extends CI_Xmlrpc
 	}
 
 	// ------------------------------------
-	//  Begin Return Message Parsing section
+	// Begin Return Message Parsing section
 	// ------------------------------------
 
 	// quick explanation of components:
-	//   ac - used to accumulate values
-	//   isf - used to indicate a fault
-	//   lv - used to indicate "looking for a value": implements
+	//  ac - used to accumulate values
+	//  isf - used to indicate a fault
+	//  lv - used to indicate "looking for a value": implements
 	//		the logic to allow values with no types to be strings
-	//   params - used to store parameters in method calls
-	//   method - used to store method name
+	//  params - used to store parameters in method calls
+	//  method - used to store method name
 	//	 stack - array with parent tree of the xml element,
 	//			 used to validate the nesting of elements
 
 	//-------------------------------------
-	//  Start Element Handler
+	// Start Element Handler
 	//-------------------------------------
 
 	function open_tag($the_parser, $name, $attrs)
@@ -942,7 +942,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 
 
 	//-------------------------------------
-	//  End Element Handler
+	// End Element Handler
 	//-------------------------------------
 
 	function closing_tag($the_parser, $name)
@@ -951,7 +951,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 
 		// Remove current element from stack and set variable
 		// NOTE: If the XML validates, then we do not have to worry about
-		// the opening and closing of elements.  Nesting is checked on the opening
+		// the opening and closing of elements. Nesting is checked on the opening
 		// tag so we be safe there as well.
 
 		$curr_elem = array_shift($this->xh[$the_parser]['stack']);
@@ -1080,13 +1080,13 @@ class XML_RPC_Message extends CI_Xmlrpc
 				// We're all good kids with nuthin' to do
 			break;
 			default:
-				// End of an Invalid Element.  Taken care of during the opening tag though
+				// End of an Invalid Element. Taken care of during the opening tag though
 			break;
 		}
 	}
 
 	//-------------------------------------
-	//  Parses Character Data
+	// Parses Character Data
 	//-------------------------------------
 
 	function character_data($the_parser, $data)
@@ -1116,7 +1116,7 @@ class XML_RPC_Message extends CI_Xmlrpc
 	function output_parameters($array=FALSE)
 	{
 		$CI =& get_instance();
-		
+
 		if ($array !== FALSE && is_array($array))
 		{
 			while (list($key) = each($array))
diff --git a/system/libraries/Xmlrpcs.php b/system/libraries/Xmlrpcs.php
index 9cd332147..88af60693 100644
--- a/system/libraries/Xmlrpcs.php
+++ b/system/libraries/Xmlrpcs.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -132,7 +132,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 	function serve()
 	{
 		$r = $this->parseRequest();
-		$payload  = '<?xml version="1.0" encoding="'.$this->xmlrpc_defencoding.'"?'.'>'."\n";
+		$payload = '<?xml version="1.0" encoding="'.$this->xmlrpc_defencoding.'"?'.'>'."\n";
 		$payload .= $this->debug_msg;
 		$payload .= $r->prepare_response();
 
@@ -156,7 +156,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 	function add_to_map($methodname, $function, $sig, $doc)
 	{
 		$this->methods[$methodname] = array(
-			'function'  => $function,
+			'function' => $function,
 			'signature' => $sig,
 			'docstring' => $doc
 		);
@@ -176,7 +176,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 		global $HTTP_RAW_POST_DATA;
 
 		//-------------------------------------
-		//  Get Data
+		// Get Data
 		//-------------------------------------
 
 		if ($data == '')
@@ -185,7 +185,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  Set up XML Parser
+		// Set up XML Parser
 		//-------------------------------------
 
 		$parser = xml_parser_create($this->xmlrpc_defencoding);
@@ -207,7 +207,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 
 
 		//-------------------------------------
-		//  PARSE + PROCESS XML DATA
+		// PARSE + PROCESS XML DATA
 		//-------------------------------------
 
 		if ( ! xml_parse($parser, $data, 1))
@@ -235,7 +235,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 			{
 				if ($this->debug === TRUE)
 				{
-					$plist .= "$i - " .  print_r(get_object_vars($parser_object->xh[$parser]['params'][$i]), TRUE). ";\n";
+					$plist .= "$i - " . print_r(get_object_vars($parser_object->xh[$parser]['params'][$i]), TRUE). ";\n";
 				}
 
 				$m->addParam($parser_object->xh[$parser]['params'][$i]);
@@ -252,7 +252,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  SET DEBUGGING MESSAGE
+		// SET DEBUGGING MESSAGE
 		//-------------------------------------
 
 		if ($this->debug === TRUE)
@@ -285,7 +285,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  Valid Method
+		// Valid Method
 		//-------------------------------------
 
 		if ( ! isset($this->methods[$methName]['function']))
@@ -294,7 +294,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  Check for Method (and Object)
+		// Check for Method (and Object)
 		//-------------------------------------
 
 		$method_parts = explode(".", $this->methods[$methName]['function']);
@@ -320,7 +320,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  Checking Methods Signature
+		// Checking Methods Signature
 		//-------------------------------------
 
 		if (isset($this->methods[$methName]['signature']))
@@ -353,7 +353,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 		}
 
 		//-------------------------------------
-		//  Calls the Function
+		// Calls the Function
 		//-------------------------------------
 
 		if ($objectCall === TRUE)
@@ -381,11 +381,11 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 			return call_user_func($this->methods[$methName]['function'], $m);
 		}
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
-	 * Server Function:  List Methods
+	 * Server Function: List Methods
 	 *
 	 * @access	public
 	 * @param	mixed
@@ -409,11 +409,11 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 		$v->addArray($output);
 		return new XML_RPC_Response($v);
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
-	 * Server Function:  Return Signature for Method
+	 * Server Function: Return Signature for Method
 	 *
 	 * @access	public
 	 * @param	mixed
@@ -458,7 +458,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 	// --------------------------------------------------------------------
 
 	/**
-	 * Server Function:  Doc String for Method
+	 * Server Function: Doc String for Method
 	 *
 	 * @access	public
 	 * @param	mixed
@@ -480,11 +480,11 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 			return new XML_RPC_Response(0, $this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']);
 		}
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
-	 * Server Function:  Multi-call
+	 * Server Function: Multi-call
 	 *
 	 * @access	public
 	 * @param	mixed
@@ -528,7 +528,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Multi-call Function:  Error Handling
+	 * Multi-call Function: Error Handling
 	 *
 	 * @access	public
 	 * @param	mixed
@@ -536,7 +536,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 	 */
 	function multicall_error($err)
 	{
-		$str  = is_string($err) ? $this->xmlrpcstr["multicall_${err}"] : $err->faultString();
+		$str = is_string($err) ? $this->xmlrpcstr["multicall_${err}"] : $err->faultString();
 		$code = is_string($err) ? $this->xmlrpcerr["multicall_${err}"] : $err->faultCode();
 
 		$struct['faultCode'] = new XML_RPC_Values($code, 'int');
@@ -548,7 +548,7 @@ class CI_Xmlrpcs extends CI_Xmlrpc
 	// --------------------------------------------------------------------
 
 	/**
-	 *  Multi-call Function:  Processes method
+	 * Multi-call Function: Processes method
 	 *
 	 * @access	public
 	 * @param	mixed
diff --git a/system/libraries/Zip.php b/system/libraries/Zip.php
index 666327d5c..1ae3e7f25 100644
--- a/system/libraries/Zip.php
+++ b/system/libraries/Zip.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -30,7 +30,7 @@
  * @author		ExpressionEngine Dev Team
  * @link		http://codeigniter.com/user_guide/libraries/zip.html
  */
-class CI_Zip  {
+class CI_Zip {
 
 	var $zipdata	= '';
 	var $directory	= '';
@@ -150,7 +150,7 @@ class CI_Zip  {
 	 * Add Data to Zip
 	 *
 	 * Lets you add files to the archive. If the path is included
-	 * in the filename it will be placed within a directory.  Make
+	 * in the filename it will be placed within a directory. Make
 	 * sure you use add_dir() first to create the folder.
 	 *
 	 * @access	public
@@ -192,7 +192,7 @@ class CI_Zip  {
 		$filepath = str_replace("\\", "/", $filepath);
 
 		$uncompressed_size = strlen($data);
-		$crc32  = crc32($data);
+		$crc32 = crc32($data);
 
 		$gzdata = gzcompress($data);
 		$gzdata = substr($gzdata, 2, -4);
@@ -267,7 +267,7 @@ class CI_Zip  {
 	 * Read a directory and add it to the zip.
 	 *
 	 * This function recursively reads a folder and everything it contains (including
-	 * sub-folders) and creates a zip based on it.  Whatever directory structure
+	 * sub-folders) and creates a zip based on it. Whatever directory structure
 	 * is in the original file path will be recreated in the zip file.
 	 *
 	 * @access	public
@@ -402,7 +402,7 @@ class CI_Zip  {
 	/**
 	 * Initialize Data
 	 *
-	 * Lets you clear current zip data.  Useful if you need to create
+	 * Lets you clear current zip data. Useful if you need to create
 	 * multiple zips with different data.
 	 *
 	 * @access	public
diff --git a/system/libraries/javascript/Jquery.php b/system/libraries/javascript/Jquery.php
index baab83d25..97107f0cc 100644
--- a/system/libraries/javascript/Jquery.php
+++ b/system/libraries/javascript/Jquery.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 
 /**
  * CodeIgniter
@@ -23,7 +23,7 @@
  * @category	Loader
  * @link		http://www.codeigniter.com/user_guide/libraries/javascript.html
  */
- 
+
 class CI_Jquery extends CI_Javascript {
 
 	var $_javascript_folder = 'js';
@@ -36,20 +36,20 @@ class CI_Jquery extends CI_Javascript {
 
 	public function __construct($params)
 	{
-		$this->CI =& get_instance();	
+		$this->CI =& get_instance();
 		extract($params);
 
 		if ($autoload === TRUE)
 		{
-			$this->script();			
+			$this->script();
 		}
-		
+
 		log_message('debug', "Jquery Class Initialized");
 	}
-	
-	// --------------------------------------------------------------------	 
+
+	// --------------------------------------------------------------------
 	// Event Code
-	// --------------------------------------------------------------------	
+	// --------------------------------------------------------------------
 
 	/**
 	 * Blur
@@ -65,9 +65,9 @@ class CI_Jquery extends CI_Javascript {
 	{
 		return $this->_add_event($element, $js, 'blur');
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Change
 	 *
@@ -82,9 +82,9 @@ class CI_Jquery extends CI_Javascript {
 	{
 		return $this->_add_event($element, $js, 'change');
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Click
 	 *
@@ -112,7 +112,7 @@ class CI_Jquery extends CI_Javascript {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Double Click
 	 *
@@ -129,7 +129,7 @@ class CI_Jquery extends CI_Javascript {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Error
 	 *
@@ -146,7 +146,7 @@ class CI_Jquery extends CI_Javascript {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Focus
 	 *
@@ -163,7 +163,7 @@ class CI_Jquery extends CI_Javascript {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Hover
 	 *
@@ -185,7 +185,7 @@ class CI_Jquery extends CI_Javascript {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Keydown
 	 *
@@ -202,7 +202,7 @@ class CI_Jquery extends CI_Javascript {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Keyup
 	 *
@@ -216,10 +216,10 @@ class CI_Jquery extends CI_Javascript {
 	function _keyup($element = 'this', $js = '')
 	{
 		return $this->_add_event($element, $js, 'keyup');
-	}	
+	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Load
 	 *
@@ -233,10 +233,10 @@ class CI_Jquery extends CI_Javascript {
 	function _load($element = 'this', $js = '')
 	{
 		return $this->_add_event($element, $js, 'load');
-	}	
-	
+	}
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Mousedown
 	 *
@@ -253,7 +253,7 @@ class CI_Jquery extends CI_Javascript {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Mouse Out
 	 *
@@ -270,7 +270,7 @@ class CI_Jquery extends CI_Javascript {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Mouse Over
 	 *
@@ -321,7 +321,7 @@ class CI_Jquery extends CI_Javascript {
 		{
 			$array_js = array($array_js);
 		}
-		
+
 		foreach ($array_js as $js)
 		{
 			$this->jquery_code_for_compile[] = "\t$js\n";
@@ -361,7 +361,7 @@ class CI_Jquery extends CI_Javascript {
 	{
 		return $this->_add_event($element, $js, 'scroll');
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
@@ -379,10 +379,10 @@ class CI_Jquery extends CI_Javascript {
 		return $this->_add_event($element, $js, 'unload');
 	}
 
-	// --------------------------------------------------------------------	 
+	// --------------------------------------------------------------------
 	// Effects
-	// --------------------------------------------------------------------	
-	
+	// --------------------------------------------------------------------
+
 	/**
 	 * Add Class
 	 *
@@ -395,7 +395,7 @@ class CI_Jquery extends CI_Javascript {
 	function _addClass($element = 'this', $class='')
 	{
 		$element = $this->_prep_element($element);
-		$str  = "$({$element}).addClass(\"$class\");";
+		$str = "$({$element}).addClass(\"$class\");";
 		return $str;
 	}
 
@@ -416,9 +416,9 @@ class CI_Jquery extends CI_Javascript {
 	{
 		$element = $this->_prep_element($element);
 		$speed = $this->_validate_speed($speed);
-		
+
 		$animations = "\t\t\t";
-		
+
 		foreach ($params as $param=>$value)
 		{
 			$animations .= $param.': \''.$value.'\', ';
@@ -430,19 +430,19 @@ class CI_Jquery extends CI_Javascript {
 		{
 			$speed = ', '.$speed;
 		}
-		
+
 		if ($extra != '')
 		{
 			$extra = ', '.$extra;
 		}
-		
-		$str  = "$({$element}).animate({\n$animations\n\t\t}".$speed.$extra.");";
-		
+
+		$str = "$({$element}).animate({\n$animations\n\t\t}".$speed.$extra.");";
+
 		return $str;
 	}
 
 	// --------------------------------------------------------------------
-		
+
 	/**
 	 * Fade In
 	 *
@@ -456,21 +456,21 @@ class CI_Jquery extends CI_Javascript {
 	 */
 	function _fadeIn($element = 'this', $speed = '', $callback = '')
 	{
-		$element = $this->_prep_element($element);	
+		$element = $this->_prep_element($element);
 		$speed = $this->_validate_speed($speed);
-		
+
 		if ($callback != '')
 		{
 			$callback = ", function(){\n{$callback}\n}";
 		}
-		
-		$str  = "$({$element}).fadeIn({$speed}{$callback});";
-		
+
+		$str = "$({$element}).fadeIn({$speed}{$callback});";
+
 		return $str;
 	}
-		
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Fade Out
 	 *
@@ -486,14 +486,14 @@ class CI_Jquery extends CI_Javascript {
 	{
 		$element = $this->_prep_element($element);
 		$speed = $this->_validate_speed($speed);
-		
+
 		if ($callback != '')
 		{
 			$callback = ", function(){\n{$callback}\n}";
 		}
-		
-		$str  = "$({$element}).fadeOut({$speed}{$callback});";
-		
+
+		$str = "$({$element}).fadeOut({$speed}{$callback});";
+
 		return $str;
 	}
 
@@ -512,19 +512,19 @@ class CI_Jquery extends CI_Javascript {
 	 */
 	function _hide($element = 'this', $speed = '', $callback = '')
 	{
-		$element = $this->_prep_element($element);	
+		$element = $this->_prep_element($element);
 		$speed = $this->_validate_speed($speed);
-		
+
 		if ($callback != '')
 		{
 			$callback = ", function(){\n{$callback}\n}";
 		}
-		
-		$str  = "$({$element}).hide({$speed}{$callback});";
+
+		$str = "$({$element}).hide({$speed}{$callback});";
 
 		return $str;
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
@@ -539,12 +539,12 @@ class CI_Jquery extends CI_Javascript {
 	function _removeClass($element = 'this', $class='')
 	{
 		$element = $this->_prep_element($element);
-		$str  = "$({$element}).removeClass(\"$class\");";
+		$str = "$({$element}).removeClass(\"$class\");";
 		return $str;
 	}
 
 	// --------------------------------------------------------------------
-			
+
 	/**
 	 * Slide Up
 	 *
@@ -558,21 +558,21 @@ class CI_Jquery extends CI_Javascript {
 	 */
 	function _slideUp($element = 'this', $speed = '', $callback = '')
 	{
-		$element = $this->_prep_element($element);	
+		$element = $this->_prep_element($element);
 		$speed = $this->_validate_speed($speed);
-		
+
 		if ($callback != '')
 		{
 			$callback = ", function(){\n{$callback}\n}";
 		}
-		
-		$str  = "$({$element}).slideUp({$speed}{$callback});";
-		
+
+		$str = "$({$element}).slideUp({$speed}{$callback});";
+
 		return $str;
 	}
-		
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Slide Down
 	 *
@@ -588,19 +588,19 @@ class CI_Jquery extends CI_Javascript {
 	{
 		$element = $this->_prep_element($element);
 		$speed = $this->_validate_speed($speed);
-		
+
 		if ($callback != '')
 		{
 			$callback = ", function(){\n{$callback}\n}";
 		}
-		
-		$str  = "$({$element}).slideDown({$speed}{$callback});";
-		
+
+		$str = "$({$element}).slideDown({$speed}{$callback});";
+
 		return $str;
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Slide Toggle
 	 *
@@ -616,19 +616,19 @@ class CI_Jquery extends CI_Javascript {
 	{
 		$element = $this->_prep_element($element);
 		$speed = $this->_validate_speed($speed);
-		
+
 		if ($callback != '')
 		{
 			$callback = ", function(){\n{$callback}\n}";
 		}
-		
-		$str  = "$({$element}).slideToggle({$speed}{$callback});";
-		
+
+		$str = "$({$element}).slideToggle({$speed}{$callback});";
+
 		return $str;
 	}
-		
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Toggle
 	 *
@@ -641,12 +641,12 @@ class CI_Jquery extends CI_Javascript {
 	function _toggle($element = 'this')
 	{
 		$element = $this->_prep_element($element);
-		$str  = "$({$element}).toggle();";
+		$str = "$({$element}).toggle();";
 		return $str;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Toggle Class
 	 *
@@ -659,12 +659,12 @@ class CI_Jquery extends CI_Javascript {
 	function _toggleClass($element = 'this', $class='')
 	{
 		$element = $this->_prep_element($element);
-		$str  = "$({$element}).toggleClass(\"$class\");";
+		$str = "$({$element}).toggleClass(\"$class\");";
 		return $str;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Show
 	 *
@@ -678,16 +678,16 @@ class CI_Jquery extends CI_Javascript {
 	 */
 	function _show($element = 'this', $speed = '', $callback = '')
 	{
-		$element = $this->_prep_element($element);	
+		$element = $this->_prep_element($element);
 		$speed = $this->_validate_speed($speed);
-		
+
 		if ($callback != '')
 		{
 			$callback = ", function(){\n{$callback}\n}";
 		}
-		
-		$str  = "$({$element}).show({$speed}{$callback});";
-		
+
+		$str = "$({$element}).show({$speed}{$callback});";
+
 		return $str;
 	}
 
@@ -696,7 +696,7 @@ class CI_Jquery extends CI_Javascript {
 	/**
 	 * Updater
 	 *
-	 * An Ajax call that populates the designated DOM node with 
+	 * An Ajax call that populates the designated DOM node with
 	 * returned content
 	 *
 	 * @access	private
@@ -705,13 +705,13 @@ class CI_Jquery extends CI_Javascript {
 	 * @param	string	optional parameters
 	 * @return	string
 	 */
-	
+
 	function _updater($container = 'this', $controller, $options = '')
-	{	
+	{
 		$container = $this->_prep_element($container);
-		
+
 		$controller = (strpos('://', $controller) === FALSE) ? $controller : $this->CI->config->site_url($controller);
-		
+
 		// ajaxStart and ajaxStop are better choices here... but this is a stop gap
 		if ($this->CI->config->item('javascript_ajax_img') == '')
 		{
@@ -721,7 +721,7 @@ class CI_Jquery extends CI_Javascript {
 		{
 			$loading_notifier = '<img src=\'' . $this->CI->config->slash_item('base_url') . $this->CI->config->item('javascript_ajax_img') . '\' alt=\'Loading\' />';
 		}
-		
+
 		$updater = "$($container).empty();\n"; // anything that was in... get it out
 		$updater .= "\t\t$($container).prepend(\"$loading_notifier\");\n"; // to replace with an image
 
@@ -741,7 +741,7 @@ class CI_Jquery extends CI_Javascript {
 	// --------------------------------------------------------------------
 	// Pre-written handy stuff
 	// --------------------------------------------------------------------
-	 
+
 	/**
 	 * Zebra tables
 	 *
@@ -753,8 +753,8 @@ class CI_Jquery extends CI_Javascript {
 	function _zebraTables($class = '', $odd = 'odd', $hover = '')
 	{
 		$class = ($class != '') ? '.'.$class : '';
-		
-		$zebra  = "\t\$(\"table{$class} tbody tr:nth-child(even)\").addClass(\"{$odd}\");";
+
+		$zebra = "\t\$(\"table{$class} tbody tr:nth-child(even)\").addClass(\"{$odd}\");";
 
 		$this->jquery_code_for_compile[] = $zebra;
 
@@ -771,7 +771,7 @@ class CI_Jquery extends CI_Javascript {
 	// --------------------------------------------------------------------
 	// Plugins
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Corner Plugin
 	 *
@@ -793,7 +793,7 @@ class CI_Jquery extends CI_Javascript {
 
 		return "$(" . $this->_prep_element($element) . ").corner(".$corner_style.");";
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
@@ -805,7 +805,7 @@ class CI_Jquery extends CI_Javascript {
 	 * @return	void
 	 */
 	function modal($src, $relative = FALSE)
-	{	
+	{
 		$this->jquery_code_for_load[] = $this->external($src, $relative);
 	}
 
@@ -897,7 +897,7 @@ class CI_Jquery extends CI_Javascript {
 	{
 		$this->jquery_code_for_compile[] = "\t$(" . $this->_prep_element($table) . ").tablesorter($options);\n";
 	}
-	
+
 	// --------------------------------------------------------------------
 	// Class functions
 	// --------------------------------------------------------------------
@@ -912,7 +912,7 @@ class CI_Jquery extends CI_Javascript {
 	 * @param	string	The code to execute
 	 * @param	string	The event to pass
 	 * @return	string
-	 */	
+	 */
 	function _add_event($element, $js, $event)
 	{
 		if (is_array($js))
@@ -953,15 +953,15 @@ class CI_Jquery extends CI_Javascript {
 		$script = '$(document).ready(function() {' . "\n";
 		$script .= implode('', $this->jquery_code_for_compile);
 		$script .= '});';
-		
+
 		$output = ($script_tags === FALSE) ? $script : $this->inline($script);
 
 		$this->CI->load->vars(array($view_var => $output));
 
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Clear Compile
 	 *
@@ -976,7 +976,7 @@ class CI_Jquery extends CI_Javascript {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Document Ready
 	 *
@@ -992,7 +992,7 @@ class CI_Jquery extends CI_Javascript {
 			$js = array ($js);
 
 		}
-		
+
 		foreach ($js as $script)
 		{
 			$this->jquery_code_for_compile[] = $script;
@@ -1016,7 +1016,7 @@ class CI_Jquery extends CI_Javascript {
 		$this->jquery_code_for_load[] = $library_src;
 		return $library_src;
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
@@ -1036,10 +1036,10 @@ class CI_Jquery extends CI_Javascript {
 		{
 			$element = '"'.$element.'"';
 		}
-		
+
 		return $element;
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
@@ -1050,7 +1050,7 @@ class CI_Jquery extends CI_Javascript {
 	 * @access	private
 	 * @param	string
 	 * @return	string
-	 */	
+	 */
 	function _validate_speed($speed)
 	{
 		if (in_array($speed, array('slow', 'normal', 'fast')))
@@ -1061,7 +1061,7 @@ class CI_Jquery extends CI_Javascript {
 		{
 			$speed = '';
 		}
-	
+
 		return $speed;
 	}