whitespace fixes

a minor re-ordering of the changelog

21 files changed, 422 insertions, 422 deletions

diff --git a/system/application/config/config.php b/system/application/config/config.php
index f8fd9c809..da7979788 100644
--- a/system/application/config/config.php
+++ b/system/application/config/config.php
@@ -149,7 +149,7 @@ $config['permitted_uri_chars'] = 'a-z 0-9~%.:_\-';
 |

 */

 $config['enable_query_strings'] = FALSE;

-$config['directory_trigger'] = 'd';	 // experimental not currently in use

+$config['directory_trigger'] = 'd'; // experimental not currently in use

 $config['controller_trigger'] = 'c';

 $config['function_trigger'] = 'm';

 

diff --git a/system/application/config/constants.php b/system/application/config/constants.php
index 55dc6b777..3d317f58e 100644
--- a/system/application/config/constants.php
+++ b/system/application/config/constants.php
@@ -29,7 +29,7 @@ define('DIR_WRITE_MODE', 0777);
 

 define('FOPEN_READ', 							'rb');

 define('FOPEN_READ_WRITE',						'r+b');

-define('FOPEN_WRITE_CREATE_DESTRUCTIVE', 		'wb');	// truncates existing file data, use with care

+define('FOPEN_WRITE_CREATE_DESTRUCTIVE', 		'wb'); // truncates existing file data, use with care

 define('FOPEN_READ_WRITE_CREATE_DESTRUCTIVE', 	'w+b'); // truncates existing file data, use with care

 define('FOPEN_WRITE_CREATE', 					'ab');

 define('FOPEN_READ_WRITE_CREATE', 				'a+b');

diff --git a/system/application/config/user_agents.php b/system/application/config/user_agents.php
index d350af3aa..38bfc1f72 100644
--- a/system/application/config/user_agents.php
+++ b/system/application/config/user_agents.php
@@ -163,12 +163,12 @@ $mobiles = array(
 $robots = array(

 					'googlebot'			=> 'Googlebot',

 					'msnbot'			=> 'MSNBot',

-					'slurp'			    => 'Inktomi Slurp',

-					'yahoo'			    => 'Yahoo',

+					'slurp'				=> 'Inktomi Slurp',

+					'yahoo'				=> 'Yahoo',

 					'askjeeves'			=> 'AskJeeves',

 					'fastcrawler'		=> 'FastCrawler',

 					'infoseek'			=> 'InfoSeek Robot 1.0',

-					'lycos'			    => 'Lycos'

+					'lycos'				=> 'Lycos'

 				);

 

 /* End of file user_agents.php */

diff --git a/system/codeigniter/Common.php b/system/codeigniter/Common.php
index b0df52921..8f4f9a941 100644
--- a/system/codeigniter/Common.php
+++ b/system/codeigniter/Common.php
@@ -93,16 +93,16 @@ function &load_class($class, $instantiate = TRUE)
 	// folder we'll load the native class from the system/libraries folder.	

 	if (file_exists(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT))

 	{

-		require(BASEPATH.'libraries/'.$class.EXT);	

+		require(BASEPATH.'libraries/'.$class.EXT);

 		require(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT);

-		$is_subclass = TRUE;	

+		$is_subclass = TRUE;

 	}

 	else

 	{

 		if (file_exists(APPPATH.'libraries/'.$class.EXT))

 		{

-			require(APPPATH.'libraries/'.$class.EXT);	

-			$is_subclass = FALSE;	

+			require(APPPATH.'libraries/'.$class.EXT);

+			$is_subclass = FALSE;

 		}

 		else

 		{

@@ -241,7 +241,7 @@ function log_message($level = 'error', $message, $php_error = FALSE)
 		return;

 	}

 

-	$LOG =& load_class('Log');	

+	$LOG =& load_class('Log');

 	$LOG->write_log($level, $message, $php_error);

 }

 

diff --git a/system/database/DB.php b/system/database/DB.php
index eb25273a1..ef67c80c8 100644
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -44,8 +44,7 @@ function &DB($params = '', $active_record_override = FALSE)
 			show_error('You have specified an invalid database connection group.');

 		}

 		

-		$params = $db[$active_group];			

-	}

+		$params = $db[$active_group]		}

 	elseif (is_string($params))

 	{

 		

diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 60f51d757..1678cffd5 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -142,7 +142,7 @@ class CI_DB_driver {
 						{

 							$this->display_error('db_unable_to_create', $this->database);

 						}

-						return FALSE;				

+						return FALSE;

 					}

 					else

 					{

@@ -221,7 +221,7 @@ class CI_DB_driver {
 			{

 				return $this->display_error('db_unsupported_function');

 			}

-			return FALSE;		

+			return FALSE;

 		}

 		

 		if ($this->dbdriver == 'oci8')

@@ -258,7 +258,7 @@ class CI_DB_driver {
 				log_message('error', 'Invalid query: '.$sql);

 				return $this->display_error('db_invalid_query');

 			}

-			return FALSE;		

+			return FALSE;

 		}

 

 		// Verify table prefix and replace if necessary

@@ -543,12 +543,12 @@ class CI_DB_driver {
 				$this->_trans_status = TRUE;

 			}

 

-			log_message('debug', 'DB Transaction Failure');			

-			return FALSE;			

+			log_message('debug', 'DB Transaction Failure');

+			return FALSE;

 		}

 		

 		$this->trans_commit();

-		return TRUE;	

+		return TRUE;

 	}

 

 	// --------------------------------------------------------------------

@@ -755,7 +755,7 @@ class CI_DB_driver {
 			{

 				return $this->display_error('db_unsupported_function');

 			}

-			return FALSE;		

+			return FALSE;

 		}

 

 		$retval = array();

@@ -815,7 +815,7 @@ class CI_DB_driver {
 			{

 				return $this->display_error('db_field_param_missing');

 			}

-			return FALSE;			

+			return FALSE;

 		}

 		

 		if (FALSE === ($sql = $this->_list_columns($this->prep_tablename($table))))

@@ -824,7 +824,7 @@ class CI_DB_driver {
 			{

 				return $this->display_error('db_unsupported_function');

 			}

-			return FALSE;		

+			return FALSE;

 		}

 		

 		$query = $this->query($sql);

@@ -887,7 +887,7 @@ class CI_DB_driver {
 			{

 				return $this->display_error('db_field_param_missing');

 			}

-			return FALSE;			

+			return FALSE;

 		}

 		

 		$query = $this->query($this->_field_data($this->prep_tablename($table)));

@@ -906,7 +906,7 @@ class CI_DB_driver {
 	 */	

 	function insert_string($table, $data)

 	{

-		$fields = array();	

+		$fields = array();

 		$values = array();

 		

 		foreach($data as $key => $val)

@@ -1039,7 +1039,7 @@ class CI_DB_driver {
 			{

 				return $this->display_error('db_unsupported_function');

 			}

-			return FALSE;			

+			return FALSE;

 		}

 		else

 		{

diff --git a/system/database/DB_result.php b/system/database/DB_result.php
index d8d0d0d97..2a7824ff5 100644
--- a/system/database/DB_result.php
+++ b/system/database/DB_result.php
@@ -104,7 +104,7 @@ class CI_DB_result {
 			return array();

 		}

 

-		$this->_data_seek(0);			

+		$this->_data_seek(0);

 		while ($row = $this->_fetch_assoc())

 		{

 			$this->result_array[] = $row;

diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 8df6c1b70..889ea17fb 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -246,15 +246,15 @@ class CI_DB_mysql_driver extends CI_DB {
 	function escape_str($str)	

 	{	

 		if (is_array($str))

-    	{

-    		foreach($str as $key => $val)

-    		{

-    			$str[$key] = $this->escape_str($val);

-    		}

-    		

-    		return $str;

-    	}

-	

+		{

+			foreach($str as $key => $val)

+	   		{

+				$str[$key] = $this->escape_str($val);

+	   		}

+   		

+	   		return $str;

+	   	}

+

 		if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id))

 		{

 			return mysql_real_escape_string($str, $this->conn_id);

diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php
index 73373c882..20ab925fd 100644
--- a/system/database/drivers/oci8/oci8_result.php
+++ b/system/database/drivers/oci8/oci8_result.php
@@ -42,13 +42,15 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 */

 	function num_rows()

 	{

-        $rowcount = count($this->result_array());

-        @ociexecute($this->stmt_id);

-        if ($this->curs_id)

+		$rowcount = count($this->result_array());

+		@ociexecute($this->stmt_id);

+

+		if ($this->curs_id)

 		{

 			@ociexecute($this->curs_id);

 		}

-        return $rowcount;

+

+		return $rowcount;

 	}

 

 	// --------------------------------------------------------------------

diff --git a/system/helpers/file_helper.php b/system/helpers/file_helper.php
index 86c5c09db..b59443c0e 100644
--- a/system/helpers/file_helper.php
+++ b/system/helpers/file_helper.php
@@ -262,60 +262,60 @@ if ( ! function_exists('get_dir_file_info'))
 * Options are: name, server_path, size, date, readable, writable, executable, fileperms

 * Returns FALSE if the file cannot be found.

 *

-* @access    public

-* @param    string    path to file

-* @param    mixed    array or comma separated string of information returned

-* @return    array

-*/    

+* @access	public

+* @param	string		path to file

+* @param	mixed		array or comma separated string of information returned

+* @return	array

+*/

 if ( ! function_exists('get_file_info'))

 {

-    function get_file_info($file, $returned_values = array('name', 'server_path', 'size', 'date'))

-    {

-

-        if ( ! file_exists($file))

-        {

-            return FALSE;

-        }

-

-        if (is_string($returned_values))

-        {

-            $returned_values = explode(',', $returned_values);

-        }

-

-        foreach ($returned_values as $key)

-        {

-            switch ($key)

-            {

-                case 'name':

-                    $fileinfo['name'] = substr(strrchr($file, '/'), 1);

-                    break;

-                case 'server_path':

-                    $fileinfo['server_path'] = $file;

-                    break;

-                case 'size':

-                    $fileinfo['size'] = filesize($file);

-                    break;

-                case 'date':

-                    $fileinfo['date'] = filectime($file);

-                    break;

-                case 'readable':

-                    $fileinfo['readable'] = is_readable($file);

-                    break;

-                case 'writable':

-                    // There are known problems using is_weritable on IIS.  It may not be reliable - consider fileperms()

-                    $fileinfo['writable'] = is_writable($file);

-                    break;

-                case 'executable':

-                    $fileinfo['executable'] = is_executable($file);

-                    break;

-                case 'fileperms':

-                    $fileinfo['fileperms'] = fileperms($file);

-                    break;

-            }

-        }

-

-        return $fileinfo;

-    }

+	function get_file_info($file, $returned_values = array('name', 'server_path', 'size', 'date'))

+	{

+

+		if ( ! file_exists($file))

+		{

+			return FALSE;

+		}

+

+		if (is_string($returned_values))

+		{

+			$returned_values = explode(',', $returned_values);

+		}

+

+		foreach ($returned_values as $key)

+		{

+			switch ($key)

+			{

+				case 'name':

+					$fileinfo['name'] = substr(strrchr($file, '/'), 1);

+					break;

+				case 'server_path':

+					$fileinfo['server_path'] = $file;

+					break;

+				case 'size':

+					$fileinfo['size'] = filesize($file);

+					break;

+				case 'date':

+					$fileinfo['date'] = filectime($file);

+					break;

+				case 'readable':

+					$fileinfo['readable'] = is_readable($file);

+					break;

+				case 'writable':

+					// There are known problems using is_weritable on IIS.  It may not be reliable - consider fileperms()

+					$fileinfo['writable'] = is_writable($file);

+					break;

+				case 'executable':

+					$fileinfo['executable'] = is_executable($file);

+					break;

+				case 'fileperms':

+					$fileinfo['fileperms'] = fileperms($file);

+					break;

+			}

+		}

+

+		return $fileinfo;

+	}

 }

 

 // --------------------------------------------------------------------

diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php
index 0ad57d532..0c74ac0ff 100644
--- a/system/helpers/form_helper.php
+++ b/system/helpers/form_helper.php
@@ -53,7 +53,7 @@ if ( ! function_exists('form_open'))
 

 		$form = '<form action="'.$action.'"';

 	

-        $form .= _attributes_to_string($attributes, TRUE);

+		$form .= _attributes_to_string($attributes, TRUE);

 	

 		$form .= '>';

 

@@ -214,11 +214,11 @@ if ( ! function_exists('form_textarea'))
 	{

 		$defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '90', 'rows' => '12');

 	

-	    if ( ! is_array($data) OR ! isset($data['value']))

+		if ( ! is_array($data) OR ! isset($data['value']))

 		{

 			$val = $value;

 		}

-	    else

+		else

 		{

 			$val = $data['value']; 

 			unset($data['value']); // textareas don't use the value attribute

@@ -466,7 +466,7 @@ if ( ! function_exists('form_fieldset'))
 	{

 		$fieldset = "<fieldset";

 

-        $fieldset .= _attributes_to_string($attributes, FALSE);

+		$fieldset .= _attributes_to_string($attributes, FALSE);

 	

 		$fieldset .= ">\n";

 	

@@ -623,8 +623,8 @@ if ( ! function_exists('_attributes_to_string'))
 		   {

 			  $attributes .= ' method="post"';

 		   }

-		   

-		   return ' '.$attributes;       

+

+		   return ' '.$attributes;

 	   }

 	

 	   if (is_object($attributes) AND count($attributes) > 0)

diff --git a/system/helpers/inflector_helper.php b/system/helpers/inflector_helper.php
index 49ba542a1..e362a3fd7 100644
--- a/system/helpers/inflector_helper.php
+++ b/system/helpers/inflector_helper.php
@@ -41,28 +41,28 @@ if ( ! function_exists('singular'))
 {	

 	function singular($str)

 	{

-	    $str = strtolower(trim($str));

-	    $end = substr($str, -3);

-    

-	    if ($end == 'ies')

-	    {

-	        $str = substr($str, 0, strlen($str)-3).'y';

-	    }

-	    elseif ($end == 'ses')

-	    {

-	        $str = substr($str, 0, strlen($str)-2);

-	    }

-	    else

-	    {

-	        $end = substr($str, -1);

-        

-	        if ($end == 's')

-	        {

-	            $str = substr($str, 0, strlen($str)-1);

-	        }

-	    }

-    

-	    return $str;

+		$str = strtolower(trim($str));

+		$end = substr($str, -3);

+	

+		if ($end == 'ies')

+		{

+			$str = substr($str, 0, strlen($str)-3).'y';

+		}

+		elseif ($end == 'ses')

+		{

+			$str = substr($str, 0, strlen($str)-2);

+		}

+		else

+		{

+			$end = substr($str, -1);

+		

+			if ($end == 's')

+			{

+				$str = substr($str, 0, strlen($str)-1);

+			}

+		}

+	

+		return $str;

 	}

 }

 

@@ -82,26 +82,26 @@ if ( ! function_exists('plural'))
 {	

 	function plural($str, $force = FALSE)

 	{

-	    $str = strtolower(trim($str));

-	    $end = substr($str, -1);

-

-	    if ($end == 'y')

-	    {

-	        $str = substr($str, 0, strlen($str)-1).'ies';

-	    }

-	    elseif ($end == 's')

-	    {

-	        if ($force == TRUE)

-	        {

-	            $str .= 'es';

-	        }

-	    }

-	    else

-	    {

-	        $str .= 's';

-	    }

-

-	    return $str;

+		$str = strtolower(trim($str));

+		$end = substr($str, -1);

+

+		if ($end == 'y')

+		{

+			$str = substr($str, 0, strlen($str)-1).'ies';

+		}

+		elseif ($end == 's')

+		{

+			if ($force == TRUE)

+			{

+				$str .= 'es';

+			}

+		}

+		else

+		{

+			$str .= 's';

+		}

+

+		return $str;

 	}

 }

 

diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php
index 8f7543746..efa338467 100644
--- a/system/helpers/smiley_helper.php
+++ b/system/helpers/smiley_helper.php
@@ -36,7 +36,7 @@
  * @param	string	form name

  * @param	string	field name

  * @return	string

- */	

+ */

 if ( ! function_exists('js_insert_smiley'))

 {

 	function js_insert_smiley($form_name = '', $form_field = '')

@@ -49,7 +49,7 @@ if ( ! function_exists('js_insert_smiley'))
 	}

 </script>

 EOF;

-	}	

+	}

 }

 // ------------------------------------------------------------------------

 

@@ -62,7 +62,7 @@ EOF;
  * @access	public

  * @param	string	the URL to the folder containing the smiley images

  * @return	array

- */	

+ */

 if ( ! function_exists('get_clickable_smileys'))

 {

 	function get_clickable_smileys($image_url = '', $smileys = NULL)

@@ -72,12 +72,12 @@ if ( ! function_exists('get_clickable_smileys'))
 			if (FALSE === ($smileys = _get_smiley_array()))

 			{

 				return $smileys;

-			}        

+			}

 		}

 

 		// Add a trailing slash to the file path if needed

 		$image_url = preg_replace("/(.+?)\/*$/", "\\1/",  $image_url);

-	

+

 		$used = array();

 		foreach ($smileys as $key => $val)

 		{

@@ -89,12 +89,12 @@ if ( ! function_exists('get_clickable_smileys'))
 			{

 				continue;

 			}

-	

-			$link[] = "<a href=\"javascript:void(0);\" onClick=\"insert_smiley('".$key."')\"><img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" /></a>";	

-	

+

+			$link[] = "<a href=\"javascript:void(0);\" onClick=\"insert_smiley('".$key."')\"><img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" /></a>";

+

 			$used[$smileys[$key][0]] = TRUE;

 		}

-	

+

 		return $link;

 	}

 }

@@ -110,7 +110,7 @@ if ( ! function_exists('get_clickable_smileys'))
  * @param	string	the text to be parsed

  * @param	string	the URL to the folder containing the smiley images

  * @return	string

- */	

+ */

 if ( ! function_exists('parse_smileys'))

 {

 	function parse_smileys($str = '', $image_url = '', $smileys = NULL)

@@ -125,17 +125,17 @@ if ( ! function_exists('parse_smileys'))
 			if (FALSE === ($smileys = _get_smiley_array()))

 			{

 				return $str;

-			}        

+			}

 		}

-	

+

 		// Add a trailing slash to the file path if needed

 		$image_url = preg_replace("/(.+?)\/*$/", "\\1/",  $image_url);

 

 		foreach ($smileys as $key => $val)

-		{        

+		{

 			$str = str_replace($key, "<img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" />", $str);

 		}

-	

+

 		return $str;

 	}

 }

@@ -149,7 +149,7 @@ if ( ! function_exists('parse_smileys'))
  *

  * @access	private

  * @return	mixed

- */	

+ */

 if ( ! function_exists('_get_smiley_array'))

 {

 	function _get_smiley_array()

@@ -160,12 +160,12 @@ if ( ! function_exists('_get_smiley_array'))
 		}

 

 		include(APPPATH.'config/smileys'.EXT);

-	

+

 		if ( ! isset($smileys) OR ! is_array($smileys))

 		{

 			return FALSE;

 		}

-	

+

 		return $smileys;

 	}

 }

diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php
index 7b6becffe..d85d76ca4 100644
--- a/system/helpers/string_helper.php
+++ b/system/helpers/string_helper.php
@@ -46,7 +46,7 @@ if ( ! function_exists('trim_slashes'))
 {

 	function trim_slashes($str)

 	{

-	    return trim($str, '/');

+		return trim($str, '/');

 	} 

 }

 	

@@ -173,7 +173,7 @@ if ( ! function_exists('reduce_multiples'))
 		{

 			$str = trim($str, $character);

 		}

-    

+

 		return $str;

 	}

 }

diff --git a/system/libraries/Controller.php b/system/libraries/Controller.php
index 5c96c577a..f9c6bd270 100644
--- a/system/libraries/Controller.php
+++ b/system/libraries/Controller.php
@@ -87,12 +87,12 @@ class Controller extends CI_Base {
 			

 			// sync up the objects since PHP4 was working from a copy

 			foreach (array_keys(get_object_vars($this)) as $attribute)

-            {

-                if (is_object($this->$attribute))

-                {

-                    $this->load->$attribute =& $this->$attribute;

-                }

-            }

+			{

+				if (is_object($this->$attribute))

+				{

+					$this->load->$attribute =& $this->$attribute;

+				}

+			}

 		}

 	}

 	

diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index b0d9f1269..ca1093a9b 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -1169,7 +1169,7 @@ class CI_Email {
 		// Standardize newlines

 		if (strpos($str, "\r") !== FALSE)

 		{

-			$str = str_replace(array("\r\n", "\r"), "\n", $str);			

+			$str = str_replace(array("\r\n", "\r"), "\n", $str);	

 		}

 

 		// We are intentionally wrapping so mail servers will encode characters

@@ -1179,8 +1179,8 @@ class CI_Email {
 		// Break into an array of lines

 		$lines = explode("\n", $str);

 

-	    $escape = '=';

-	    $output = '';

+		$escape = '=';

+		$output = '';

 

 		foreach ($lines as $line)

 		{

diff --git a/system/libraries/Session.php b/system/libraries/Session.php
index 9907ade47..9fad08cf9 100644
--- a/system/libraries/Session.php
+++ b/system/libraries/Session.php
@@ -69,10 +69,10 @@ class CI_Session {
 		$this->CI->load->helper('string');

 

 		// Do we need encryption? If so, load the encryption class

-		if ($this->sess_encrypt_cookie == TRUE)	

+		if ($this->sess_encrypt_cookie == TRUE)

 		{

 			$this->CI->load->library('encrypt');

-		}		

+		}

 

 		// Are we using a database?  If so, load it

 		if ($this->sess_use_database === TRUE AND $this->sess_table_name != '')

@@ -106,10 +106,10 @@ class CI_Session {
 		}

 		

 		// Delete 'old' flashdata (from last request)

-       	$this->_flashdata_sweep();

-        

-        // Mark all new flashdata as old (data will be deleted before next request)

-       	$this->_flashdata_mark();

+	   	$this->_flashdata_sweep();

+		

+		// Mark all new flashdata as old (data will be deleted before next request)

+	   	$this->_flashdata_mark();

 

 		// Delete expired sessions if necessary

 		$this->_sess_gc();

@@ -361,7 +361,7 @@ class CI_Session {
 		// Turn it into a hash

 		$new_sessid = md5(uniqid($new_sessid, TRUE));

 		

-        // Update the session data in the session data array

+		// Update the session data in the session data array

 		$this->userdata['session_id'] = $new_sessid;

 		$this->userdata['last_activity'] = $this->now;

 		

@@ -427,7 +427,7 @@ class CI_Session {
 	 */	

 	function all_userdata()

 	{

-        return ( ! isset($this->userdata)) ? FALSE : $this->userdata;

+		return ( ! isset($this->userdata)) ? FALSE : $this->userdata;

 	}

 	

 	// --------------------------------------------------------------------

@@ -484,9 +484,9 @@ class CI_Session {
 		$this->sess_write();

 	}

 	

-    // ------------------------------------------------------------------------

+	// ------------------------------------------------------------------------

 

-    /**

+	/**

 	 * Add or change flashdata, only available

 	 * until the next request

 	 *

@@ -495,46 +495,46 @@ class CI_Session {
 	 * @param	string

 	 * @return	void

 	 */

-    function set_flashdata($newdata = array(), $newval = '')

-    {

-        if (is_string($newdata))

-        {

-            $newdata = array($newdata => $newval);

-        }

-        

-        if (count($newdata) > 0)

-        {

-            foreach ($newdata as $key => $val)

-            {

-                $flashdata_key = $this->flashdata_key.':new:'.$key;

-                $this->set_userdata($flashdata_key, $val);

-            }

-        }

-    } 

-	

-    // ------------------------------------------------------------------------

-

-    /**

-     * Keeps existing flashdata available to next request.

+	function set_flashdata($newdata = array(), $newval = '')

+	{

+		if (is_string($newdata))

+		{

+			$newdata = array($newdata => $newval);

+		}

+		

+		if (count($newdata) > 0)

+		{

+			foreach ($newdata as $key => $val)

+			{

+				$flashdata_key = $this->flashdata_key.':new:'.$key;

+				$this->set_userdata($flashdata_key, $val);

+			}

+		}

+	} 

+	

+	// ------------------------------------------------------------------------

+

+	/**

+	 * Keeps existing flashdata available to next request.

 	 *

 	 * @access	public

 	 * @param	string

 	 * @return	void

-     */

-    function keep_flashdata($key)

-    {

+	 */

+	function keep_flashdata($key)

+	{

 		// '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

-        $old_flashdata_key = $this->flashdata_key.':old:'.$key;

-        $value = $this->userdata($old_flashdata_key);

+		$old_flashdata_key = $this->flashdata_key.':old:'.$key;

+		$value = $this->userdata($old_flashdata_key);

 

-        $new_flashdata_key = $this->flashdata_key.':new:'.$key;

-        $this->set_userdata($new_flashdata_key, $value);

-    }

+		$new_flashdata_key = $this->flashdata_key.':new:'.$key;

+		$this->set_userdata($new_flashdata_key, $value);

+	}

 	

-    // ------------------------------------------------------------------------

+	// ------------------------------------------------------------------------

 

 	/**

 	 * Fetch a specific flashdata item from the session array

@@ -543,57 +543,57 @@ class CI_Session {
 	 * @param	string

 	 * @return	string

 	 */	

-    function flashdata($key)

-    {

-        $flashdata_key = $this->flashdata_key.':old:'.$key;

-        return $this->userdata($flashdata_key);

-    }

+	function flashdata($key)

+	{

+		$flashdata_key = $this->flashdata_key.':old:'.$key;

+		return $this->userdata($flashdata_key);

+	}

 

-    // ------------------------------------------------------------------------

+	// ------------------------------------------------------------------------

 

-    /**

-     * Identifies flashdata as 'old' for removal

+	/**

+	 * Identifies flashdata as 'old' for removal

 	 * when _flashdata_sweep() runs.

 	 *

 	 * @access	private

 	 * @return	void

-     */

-    function _flashdata_mark()

-    {

+	 */

+	function _flashdata_mark()

+	{

 		$userdata = $this->all_userdata();

-        foreach ($userdata as $name => $value)

-        {

-            $parts = explode(':new:', $name);

-            if (is_array($parts) && count($parts) === 2)

-            {

-                $new_name = $this->flashdata_key.':old:'.$parts[1];

-                $this->set_userdata($new_name, $value);

-                $this->unset_userdata($name);

-            }

-        }

-    }

-

-    // ------------------------------------------------------------------------

-

-    /**

-     * Removes all flashdata marked as 'old'

+		foreach ($userdata as $name => $value)

+		{

+			$parts = explode(':new:', $name);

+			if (is_array($parts) && count($parts) === 2)

+			{

+				$new_name = $this->flashdata_key.':old:'.$parts[1];

+				$this->set_userdata($new_name, $value);

+				$this->unset_userdata($name);

+			}

+		}

+	}

+

+	// ------------------------------------------------------------------------

+

+	/**

+	 * Removes all flashdata marked as 'old'

 	 *

 	 * @access	private

 	 * @return	void

-     */

+	 */

 

-    function _flashdata_sweep()

-    {

+	function _flashdata_sweep()

+	{

 		$userdata = $this->all_userdata();

-        foreach ($userdata as $key => $value)

-        {

-            if (strpos($key, ':old:'))

-            {

-                $this->unset_userdata($key);

-            }

-        }

-

-    }

+		foreach ($userdata as $key => $value)

+		{

+			if (strpos($key, ':old:'))

+			{

+				$this->unset_userdata($key);

+			}

+		}

+

+	}

 

 	// --------------------------------------------------------------------

 	

diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index 25e143567..4a615352e 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -836,7 +836,7 @@ class CI_Upload {
 	 * Prep Filename

 	 *

 	 * Prevents possible script execution from Apache's handling of files multiple extensions

-     * http://httpd.apache.org/docs/1.3/mod/mod_mime.html#multipleext

+	 * http://httpd.apache.org/docs/1.3/mod/mod_mime.html#multipleext

 	 *

 	 * @access	private

 	 * @param	string

diff --git a/system/libraries/Validation.php b/system/libraries/Validation.php
index cae1a3f5a..b42d0e06d 100644
--- a/system/libraries/Validation.php
+++ b/system/libraries/Validation.php
@@ -640,17 +640,17 @@ class CI_Validation {
 	 */

 	function is_natural_no_zero($str)

 	{   

-    	if ( ! preg_match( '/^[0-9]+$/', $str))

-    	{

-    		return FALSE;

-    	}

-    	

-    	if ($str == 0)

-    	{

-    		return FALSE;

-    	}

-    

-   		return TRUE;

+		if ( ! preg_match( '/^[0-9]+$/', $str))

+		{

+			return FALSE;

+		}

+	

+		if ($str == 0)

+		{

+			return FALSE;

+		}

+

+		return TRUE;

 	}

 

 	// --------------------------------------------------------------------

diff --git a/system/libraries/Zip.php b/system/libraries/Zip.php
index 8958b572c..6ca9cfb50 100644
--- a/system/libraries/Zip.php
+++ b/system/libraries/Zip.php
@@ -34,8 +34,8 @@ class CI_Zip  {
 

 	var $zipdata 	= '';

 	var $directory 	= '';

-    var $entries 	= 0;

-    var $file_num 	= 0;

+	var $entries 	= 0;

+	var $file_num 	= 0;

 	var $offset		= 0;

 

 	function CI_Zip()

@@ -320,16 +320,16 @@ class CI_Zip  {
 	 */

 	function download($filename = 'backup.zip')

 	{

-        if ( ! preg_match("|.+?\.zip$|", $filename))

-        {

-            $filename .= '.zip';

-        }

+		if ( ! preg_match("|.+?\.zip$|", $filename))

+		{

+			$filename .= '.zip';

+		}

+

+		$zip_content =& $this->get_zip();

 

-        $zip_content =& $this->get_zip();

+		$CI =& get_instance();

+		$CI->load->helper('download');

 

-        $CI =& get_instance();

-        $CI->load->helper('download');

-		

 		force_download($filename, $zip_content);

 	}

 

@@ -346,11 +346,11 @@ class CI_Zip  {
 	 */		

 	function clear_data()

 	{

-		$this->zipdata   = '';

-		$this->directory = '';

-		$this->entries   = 0;

-		$this->file_num  = 0;

-		$this->offset    = 0;

+		$this->zipdata		= '';

+		$this->directory	= '';

+		$this->entries		= 0;

+		$this->file_num		= 0;

+		$this->offset		= 0;

 	}

 	

 }

diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 02cb2fc67..ed10c475e 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -63,6 +63,14 @@ Change Log
 SVN Revision: XXXX</p>

 

 <ul>

+	<li>Libraries

+		<ul>

+			<li>Updated the <a href="libraries/sessions.html">Sessions class</a> so that any custom data being saved gets stored to a database rather than the session cookie (assuming you are using a database to store session data), permitting much more data to be saved.</li>

+			<li>Added the ability to store libraries in subdirectories within either the main "libraries" or the local application "libraries" folder. Please see the <a href="libraries/loader.html">Loader class</a> for more info. </li>

+			<li>Changed the output of the profiler to use style attribute rather then clear, and added the id "codeigniter_profiler" to the container div</li>

+			<li>Added <kbd>is_natural()</kbd> and <kbd>is_natural_no_zero()</kbd> to the <a href="libraries/validation.html">Validation class</a>.</li>

+		</ul>

+	</li>

 	<li>Helpers

 		<ul>

 			<li>Added current_url() and uri_segments() to  <a href="helpers/url_helper.html">URL helper</a>.</li>

@@ -72,15 +80,6 @@ SVN Revision: XXXX</p>
 			<li>Updated Date Helper to match the world's current time zones and offsets.</li>

 		</ul>

 	</li>

-	<li>Libraries

-		<ul>

-			<li>Updated the <a href="libraries/sessions.html">Sessions class</a> so that any custom data being saved gets stored to a database rather than the session cookie (assuming you are using a database to store session data), permitting much more data to be saved.</li>

-			<li>Added the ability to store libraries in subdirectories within either the main "libraries" or the local application "libraries" folder. Please see the <a href="libraries/loader.html">Loader class</a> for more info. </li>

-			<li>Changed the output of the profiler to use style attribute rather then clear, and added the id "codeigniter_profiler" to the container div</li>

-			<li>Added <kbd>is_natural()</kbd> and <kbd>is_natural_no_zero()</kbd> to the <a href="libraries/validation.html">Validation class</a>.</li>

-		</ul>

-	</li>

-

 	<li>Other changes

 		<ul>

 			<li>Improved performance and accuracy of xss_clean(), including reduction of false positives on image/file tests.</li>

@@ -155,39 +154,39 @@ SVN Revision: 1238</p>
 	<li>Fixed assorted user guide typos or examples (#4574, #4706).</li>

 	<li>Added quoted-printable headers to Email class when the multi-part override is used.</li>

 	<li>Fixed a double opening &lt;p&gt; tag in the index pages of each system directory.</li>

-	</ul>

+</ul>

 

 <h2>Version 1.6.2</h2>

 <p>Release Date: May 13, 2008<br />

 SVN Revision: 1155</p>

 <ul>

-    <li>Active Record

-    	<ul>

-    		<li>Added the ability to prevent escaping in <kbd>having()</kbd> clauses.</li>

-    		<li>Added <kbd>rename_table()</kbd> into <a href="./database/forge.html">DBForge</a>.</li>

-    		<li>Fixed a bug that wasn't allowing escaping to be turned off if the value of a query was NULL.</li>

-    		<li>DB Forge is now assigned to any models that exist after loading (#3457).</li>

-    		</ul>

-    </li>

-    <li>Database

-    	<ul>

-    		<li>Added <a href="./database/transactions.html">Strict Mode</a> to database transactions.</li>

+	<li>Active Record

+		<ul>

+			<li>Added the ability to prevent escaping in <kbd>having()</kbd> clauses.</li>

+			<li>Added <kbd>rename_table()</kbd> into <a href="./database/forge.html">DBForge</a>.</li>

+			<li>Fixed a bug that wasn't allowing escaping to be turned off if the value of a query was NULL.</li>

+			<li>DB Forge is now assigned to any models that exist after loading (#3457).</li>

+			</ul>

+	</li>

+	<li>Database

+		<ul>

+			<li>Added <a href="./database/transactions.html">Strict Mode</a> to database transactions.</li>

 			<li>Escape behaviour in where() clauses has changed; values in those with the &quot;FALSE&quot; argument are no longer escaped (ie: quoted).</li>

-    	</ul>

+		</ul>

 	</li>

-    <li>Config

-    	<ul>

-    		<li>Added 'application/vnd.ms-powerpoint' to list of mime types.</li>

-    		<li>Added 'audio/mpg' to list of mime types.</li>

+	<li>Config

+		<ul>

+			<li>Added 'application/vnd.ms-powerpoint' to list of mime types.</li>

+			<li>Added 'audio/mpg' to list of mime types.</li>

 			<li>Added new user-modifiable file constants.php containing file mode and fopen constants.</li>

-    		<li>Added the ability to set CRLF settings via config in the <a href="libraries/email.html">Email</a> class.</li>

-    	</ul>

-    </li>

+			<li>Added the ability to set CRLF settings via config in the <a href="libraries/email.html">Email</a> class.</li>

+		</ul>

+	</li>

 	<li>Libraries

 		<ul>

 			<li>Added increased security for filename handling in the Upload library.</li>

 			<li>Added increased security for sessions for client-side data tampering.</li>

-    		<li>The MySQLi forge class is now in sync with MySQL forge. </li>

+			<li>The MySQLi forge class is now in sync with MySQL forge. </li>

 			<li>Added the ability to set CRLF settings via config in the <a href="libraries/email.html">Email</a> class.</li>

 			<li><a href="libraries/unit_testing.html">Unit Testing</a> results are now colour coded, and a change was made to the default template of results.</li>

 			<li>Added a valid_emails rule to the <a href="libraries/validation.html">Validation</a> class.</li>

@@ -195,7 +194,7 @@ SVN Revision: 1155</p>
 			<li>The <a href="libraries/zip.html">Zip class</a> has undergone a substantial re-write for speed and clarity (thanks stanleyxu for the hard work and code contribution in bug report #3425!)</li>

 		</ul>

 	</li>

-    <li>Helpers

+	<li>Helpers

 		<ul>

 			<li>Added a <a href="helpers/compatibility_helper.html">Compatibility Helper</a> for using some common PHP 5 functions safely in applications that might run on PHP 4 servers (thanks Seppo for the hard work and code contribution!)</li>

 			<li>Added <kbd>form_button()</kbd> in the <a href="helpers/form_helper.html">Form helper</a>.</li>

@@ -207,7 +206,7 @@ SVN Revision: 1155</p>
 			<li>Added <kbd>get_dir_file_info()</kbd>, <kbd>get_file_info()</kbd>, and <kbd>get_mime_by_extension()</kbd> to the <a href="helpers/file_helper.html">File Helper</a>.</li>

 			<li>Added <kbd>symbolic_permissions()</kbd> and <kbd>octal_permissions()</kbd> to the <a href='helpers/file_helper.html'>File helper</a>.</li>

 		</ul>

-    </li>

+	</li>

 	<li>Plugins

 		<ul>

 			<li>Modified captcha generation to first look for the function imagecreatetruecolor, and fallback to imagecreate if it isn't available (#4226).</li>

@@ -257,7 +256,7 @@ SVN Revision: 1155</p>
 	<li>Fixed an array to string conversion error in the Validation library (#4425)</li>

 	<li>Fixed bug (#4451, #4299, #4339) where failed transactions will not rollback when debug mode is enabled.</li>

 	<li>Fixed a bug (#4506) with overlay_watermark() in the Image library preventing support for PNG-24s with alpha transparency</li>

-    <li>Fixed assorted user guide typos (#3453, #4364, #4379, #4399, #4408, #4412, #4448, #4488).</li>

+	<li>Fixed assorted user guide typos (#3453, #4364, #4379, #4399, #4408, #4412, #4448, #4488).</li>

 	</ul>

 

 <h2>Version 1.6.1</h2>

@@ -279,7 +278,7 @@ SVN Revision: 1155</p>
 		<ul>

 			<li>Modified <kbd>xss_clean()</kbd> to be more intelligent with its handling of URL encoded strings.</li>

 			<li>Added $_SERVER, $_FILES, $_ENV, and $_SESSION to sanitization of globals.</li>

-		    <li>Added a <a href="./helpers/path_helper.html">Path Helper</a>.</li>

+			<li>Added a <a href="./helpers/path_helper.html">Path Helper</a>.</li>

 			<li>Simplified <kbd>_reindex_segments()</kbd> in the URI class.</li>

 			<li>Escaped the '-' in the default 'permitted_uri_chars' config item, to prevent errors if developers just try to add additional characters to the end of the default expression.</li>

 			<li>Modified method calling to controllers to show a 404 when a private or protected method is accessed via a URL.</li>

@@ -301,8 +300,8 @@ SVN Revision: 1155</p>
 	<li>Made Active Record fully database prefix aware (#3384).</li>

 	<li>Fixed a bug where DBForge was outputting invalid SQL in Postgres by adding brackets around the tables in FROM.</li>

 	<li>Changed the behaviour of Active Record's update() to make the WHERE clause optional (#3395).</li>

-    <li>Fixed a bug (#3396) where certain POST variables would cause a PHP warning.</li>

-    <li>Fixed a bug in query binding (#3402).</li>

+	<li>Fixed a bug (#3396) where certain POST variables would cause a PHP warning.</li>

+	<li>Fixed a bug in query binding (#3402).</li>

 	<li>Changed order of SQL keywords in the Profiler $highlight array so OR would not be highlighted before ORDER BY.</li>

 	<li>Fixed a bug (#3404) where the MySQLi driver was testing if $this->conn_id was a resource instead of an object.</li>

 	<li>Fixed a bug (#3419) connecting to a database via a DSN string.</li>

@@ -317,7 +316,7 @@ SVN Revision: 1155</p>
 <ul>

 	<li>DBForge

 		<ul>

-    		<li>Added <a href="./database/forge.html">DBForge</a> to the database tools.</li>

+			<li>Added <a href="./database/forge.html">DBForge</a> to the database tools.</li>

 			<li>Moved <kbd>create_database()</kbd> and <kbd>drop_database()</kbd> into <a href="./database/forge.html">DBForge</a>.</li>

 			<li>Added <kbd>add_field()</kbd>, <kbd>add_key()</kbd>, <kbd>create_table()</kbd>, <kbd>drop_table()</kbd>, <kbd>add_column()</kbd>, <kbd>drop_column()</kbd>, <kbd>modify_column()</kbd> into <a href="./database/forge.html">DBForge</a>.</li>

 		</ul>

@@ -326,16 +325,16 @@ SVN Revision: 1155</p>
 	<li>Active Record

 		<ul>

 			<li>Added <kbd>protect_identifiers()</kbd> in <a href="./database/active_record.html">Active Record</a>.</li>

-		    <li>All AR queries are backticked if appropriate to the database.</li>

+			<li>All AR queries are backticked if appropriate to the database.</li>

 			<li>Added <kbd>where_in()</kbd>, <kbd>or_where_in()</kbd>, <kbd>where_not_in()</kbd>,  <kbd>or_where_not_in()</kbd>, <kbd>not_like()</kbd> and <kbd>or_not_like()</kbd> to <a href="./database/active_record.html">Active Record</a>.</li>

 			<li>Added support for <kbd>limit()</kbd>  into <kbd>update()</kbd> and <kbd>delete()</kbd> statements in  <a href="./database/active_record.html">Active Record</a>.</li>

-		    <li>Added <kbd>empty_table()</kbd> and <kbd>truncate_table()</kbd> to <a href="./database/active_record.html">Active Record</a>.</li>

-		    <li>Added the ability to pass an array of tables to the <kbd>delete()</kbd> statement in <a href="./database/active_record.html">Active Record</a>.</li>

-		    <li>Added <kbd>count_all_results()</kbd> function to <a href="./database/active_record.html">Active Record</a>.</li>

-		    <li>Added <kbd>select_max()</kbd>, <kbd>select_min()</kbd>, <kbd>select_avg()</kbd> and <kbd>select_sum()</kbd> to <a href="./database/active_record.html">Active Record</a>.</li>

-		    <li>Added the ability to use aliases with joins in <a href="./database/active_record.html">Active Record</a>.</li>

-		    <li>Added a third parameter to Active Record's <kbd>like()</kbd> clause to control where the wildcard goes. </li>

-		    <li>Added a third parameter to <kbd>set()</kbd> in <a href="./database/active_record.html">Active Record</a> that withholds escaping data.</li>

+			<li>Added <kbd>empty_table()</kbd> and <kbd>truncate_table()</kbd> to <a href="./database/active_record.html">Active Record</a>.</li>

+			<li>Added the ability to pass an array of tables to the <kbd>delete()</kbd> statement in <a href="./database/active_record.html">Active Record</a>.</li>

+			<li>Added <kbd>count_all_results()</kbd> function to <a href="./database/active_record.html">Active Record</a>.</li>

+			<li>Added <kbd>select_max()</kbd>, <kbd>select_min()</kbd>, <kbd>select_avg()</kbd> and <kbd>select_sum()</kbd> to <a href="./database/active_record.html">Active Record</a>.</li>

+			<li>Added the ability to use aliases with joins in <a href="./database/active_record.html">Active Record</a>.</li>

+			<li>Added a third parameter to Active Record's <kbd>like()</kbd> clause to control where the wildcard goes. </li>

+			<li>Added a third parameter to <kbd>set()</kbd> in <a href="./database/active_record.html">Active Record</a> that withholds escaping data.</li>

 			<li>Changed the behaviour of variables submitted to the where() clause with no values to auto set &quot;IS NULL&quot;</li>

 		</ul>

 	</li>

@@ -347,8 +346,8 @@ SVN Revision: 1155</p>
 			<li>Added $this->db->dbprefix() to manually add database prefixes.</li>

 			<li>Added 'random' as an <kbd>order_by()</kbd> option , and removed &quot;rand()&quot; as a listed option as it was MySQL only.</li>

 			<li>Added a check for NULL fields in the MySQL database backup utility.</li>

-		    <li>Added &quot;constrain_by_prefix&quot; parameter to db-&gt;list_table() function.  If set to TRUE it will limit the result to only table names with the current prefix.</li>

-		    <li>Deprecated from Active Record; <kbd>getwhere()</kbd> for <kbd>get_where()</kbd>; <kbd>groupby()</kbd> for <kbd>group_by()</kbd>; <kbd>havingor()</kbd> for <kbd>having_or()</kbd>; <kbd>orderby()</kbd> for <kbd>order_by</kbd>; <kbd>orwhere()</kbd> for <kbd>or_where()</kbd>; and <kbd>orlike()</kbd> for <kbd>or_like()</kbd>.</li>

+			<li>Added &quot;constrain_by_prefix&quot; parameter to db-&gt;list_table() function.  If set to TRUE it will limit the result to only table names with the current prefix.</li>

+			<li>Deprecated from Active Record; <kbd>getwhere()</kbd> for <kbd>get_where()</kbd>; <kbd>groupby()</kbd> for <kbd>group_by()</kbd>; <kbd>havingor()</kbd> for <kbd>having_or()</kbd>; <kbd>orderby()</kbd> for <kbd>order_by</kbd>; <kbd>orwhere()</kbd> for <kbd>or_where()</kbd>; and <kbd>orlike()</kbd> for <kbd>or_like()</kbd>.</li>

 			<li>Modified <kbd>csv_from_result()</kbd> to output CSV data more in the spirit of basic rules of RFC 4180.</li>

 			<li>Added 'char_set' and 'dbcollat' database configuration settings, to explicitly set the client communication properly.</li>

 			<li>Removed 'active_r' configuration setting and replaced with a global $active_record setting, which is more

@@ -375,11 +374,11 @@ SVN Revision: 1155</p>
 			<li>Added Flashdata variables, session_id regeneration and configurable session update times to the <a href="./libraries/sessions.html">Session class.</a></li>

 			<li>Removed 'last_visit' from the Session class.</li>

 			<li>Added a language entry for valid_ip validation error.</li>

-		    <li>Modified prep_for_form() in the Validation class to accept arrays, adding support for POST array validation (via callbacks only)</li>

-		    <li>Added an &quot;integer&quot; rule into the <a href="./libraries/validation.html">Validation</a> library.</li>

+			<li>Modified prep_for_form() in the Validation class to accept arrays, adding support for POST array validation (via callbacks only)</li>

+			<li>Added an &quot;integer&quot; rule into the <a href="./libraries/validation.html">Validation</a> library.</li>

 			<li>Added valid_base64() to the <a href="./libraries/validation.html">Validation</a> library.</li>

-		    <li>Documented clear() in the <a href="../libraries/image_lib.html">Image Processing</a> library.</li>

-		    <li>Changed the behaviour of custom callbacks so that they no longer trigger the &quot;required&quot; rule. </li>

+			<li>Documented clear() in the <a href="../libraries/image_lib.html">Image Processing</a> library.</li>

+			<li>Changed the behaviour of custom callbacks so that they no longer trigger the &quot;required&quot; rule. </li>

 			<li>Modified Upload class $_FILES error messages to be more precise.</li>

 			<li>Moved the safe mode and auth checks for the Email library into the constructor. </li>

 			<li>Modified variable names in _ci_load() method of Loader class to avoid conflicts with view variables.</li>

@@ -394,18 +393,18 @@ SVN Revision: 1155</p>
 			<li>Added img() to the <a href="./helpers/html_helper.html">HTML helper.</a></li>

 			<li>Added ability to <a href="./general/helpers.html">"extend" Helpers</a>.</li>

 			<li>Added an <a href="./helpers/email_helper.html">email helper</a> into core helpers.</li>

-		    <li>Added <kbd>strip_quotes()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>

-		    <li>Added <kbd>reduce_multiples()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>

-		    <li>Added <kbd>quotes_to_entities()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>

-		    <li>Added <kbd>form_fieldset()</kbd>, <kbd>form_fieldset_close()</kbd>, <kbd>form_label()</kbd>, and <kbd>form_reset()</kbd> function to <a href="./helpers/form_helper.html">form helper</a>.</li>

-		    <li>Added support for external urls in <kbd>form_open()</kbd>.</li>

-		    <li>Removed support for db_backup in MySQLi due to incompatible functions.</li>

-		    <li>Javascript Calendar plugin now uses the months and days from the calendar language file, instead of hard-coded values, internationalizing it.</li>

+			<li>Added <kbd>strip_quotes()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>

+			<li>Added <kbd>reduce_multiples()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>

+			<li>Added <kbd>quotes_to_entities()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>

+			<li>Added <kbd>form_fieldset()</kbd>, <kbd>form_fieldset_close()</kbd>, <kbd>form_label()</kbd>, and <kbd>form_reset()</kbd> function to <a href="./helpers/form_helper.html">form helper</a>.</li>

+			<li>Added support for external urls in <kbd>form_open()</kbd>.</li>

+			<li>Removed support for db_backup in MySQLi due to incompatible functions.</li>

+			<li>Javascript Calendar plugin now uses the months and days from the calendar language file, instead of hard-coded values, internationalizing it.</li>

 		</ul>

 	</li>

 	

-      

-    <li>Documentation Changes

+	  

+	<li>Documentation Changes

 		<ul>

 			<li>Added <a href="./doc_style/index.html">Writing Documentation</a> section for the community to use in writing their own documentation.</li>

 			<li>Added titles to all user manual pages.</li>

@@ -413,9 +412,9 @@ SVN Revision: 1155</p>
 			<li>Added <a href="http://codeigniter.com/user_guide/libraries/zip.html">Zip Encoding Class</a> to the table of contents of the userguide.</li>

 			<li>Moved part of the userguide menu javascript to an external file.</li>

 			<li>Documented <kbd>distinct()</kbd> in <a href="./database/active_record.html">Active Record</a>. </li>

-		    <li>Documented the <kbd>timezones()</kbd> function in the <a href="./helpers/date_helper.html">Date Helper</a>.</li>

-		    <li>Documented unset_userdata in the <a href="./libraries/sessions.html">Session class</a>.</li>

-		    <li>Documented 2 config options to the <a href="./database/configuration.html">Database configuration</a> page.</li>

+			<li>Documented the <kbd>timezones()</kbd> function in the <a href="./helpers/date_helper.html">Date Helper</a>.</li>

+			<li>Documented unset_userdata in the <a href="./libraries/sessions.html">Session class</a>.</li>

+			<li>Documented 2 config options to the <a href="./database/configuration.html">Database configuration</a> page.</li>

 		</ul>

 	</li>

 </ul>

@@ -430,62 +429,62 @@ SVN Revision: 1155</p>
 	<li>Fixed a bug (#2542)in the clean_email() method of the Email class to allow for non-numeric / non-sequential array keys.</li>

 	<li>Fixed a bug (#2545) in <kbd>_html_entity_decode_callback()</kbd> when 'global_xss_filtering' is enabled.</li>

 	<li>Fixed a bug (#2668) in the <a href="./libraries/parser.html">parser class</a> where numeric data was ignored.</li>

-    <li>Fixed a bug (#2679) where the &quot;previous&quot; pagination link would get drawn on the first page.</li>

+	<li>Fixed a bug (#2679) where the &quot;previous&quot; pagination link would get drawn on the first page.</li>

 	<li>Fixed a bug (#2702) in _object_to_array that broke some types of inserts and updates.</li>

-    <li>Fixed a bug (#2732) in the SQLite driver for PHP 4.</li>

-    <li>Fixed a bug (#2754) in Pagination to scan for non-positive num_links.</li>

-    <li>Fixed a bug (#2762) in the <a href="./libraries/sessions.html">Session library</a> where user agent matching would fail on user agents ending with a space. </li>

-    <li>Fixed a bug (#2784) $field_names[] vs $Ffield_names[] in postgre and sqlite drivers.</li>

-    <li>Fixed a bug (#2810) in the typography helper causing extraneous paragraph tags when string contains tags.</li>

+	<li>Fixed a bug (#2732) in the SQLite driver for PHP 4.</li>

+	<li>Fixed a bug (#2754) in Pagination to scan for non-positive num_links.</li>

+	<li>Fixed a bug (#2762) in the <a href="./libraries/sessions.html">Session library</a> where user agent matching would fail on user agents ending with a space. </li>

+	<li>Fixed a bug (#2784) $field_names[] vs $Ffield_names[] in postgre and sqlite drivers.</li>

+	<li>Fixed a bug (#2810) in the typography helper causing extraneous paragraph tags when string contains tags.</li>

 	<li>Fixed a bug (#2849) where arguments passed to a subfolder controller method would be incorrectly shifted, dropping the 3rd segment value.</li>

-    <li>Fixed a bug (#2858) which referenced a wrong variable in the Image class.</li>

-    <li>Fixed a bug (#2875)when loading plugin files as _plugin. and not _pi.</li>

-    <li>Fixed a bug (#2912) in <kbd>get_filenames()</kbd> in the <a href="./helpers/file_helper.html">File Helper </a>where the array wasn't cleared after each call.</li>

-    <li>Fixed a bug (#2974) in <kbd>highlight_phrase()</kbd> that caused an error with slashes.</li>

-    <li>Fixed a bug (#3003) in the Encryption Library to support modes other than MCRYPT_MODE_ECB</li>

-    <li>Fixed a bug (#3015) in the <a href="./libraries/user_agent.html">User Agent library</a> where more then 2 languages where not reported with languages().</li>

-    <li>Fixed a bug (#3017) in the <a href="./libraries/email.html">Email</a> library where some timezones were calculated incorrectly. </li>

-    <li>Fixed a bug (#3024) in which master_dim wasn't getting reset by clear() in the Image library.</li>

-    <li>Fixed a bug (#3156) in Text Helper highlight_code() causing PHP tags to be handled incorrectly.</li>

-    <li>Fixed a bug (#3166) that prevented num_rows from working in Oracle.</li>

-    <li>Fixed a bug (#3175) preventing certain libraries from working properly when autoloaded in PHP 4.</li>

-    <li>Fixed a bug (#3267) in the Typography Helper where unordered list was listed &quot;un.</li>

-    <li>Fixed a bug (#3268) where the Router could leave '/' as the path.</li>

-    <li>Fixed a bug (#3279) where the Email class was sending the wrong Content-Transfer-Encoding for some character sets.</li>

-    <li>Fixed a bug (#3284) where the rsegment array would not be set properly if the requested URI contained more segments than the routed URI.</li>

-    <li>Removed extraneous load of $CFG in _display_cache() of the Output class (#3285).</li>

-    <li>Removed an extraneous call to loading models (#3286).</li>

-    <li>Fixed a bug (#3310) with sanitization of globals in the Input class that could unset CI's global variables.</li>

-    <li>Fixed a bug (#3314) which would cause the top level path to be deleted in delete_files() of the File helper.</li>

-    <li>Fixed a bug (#3328) where the smiley helper might return an undefined variable.</li>

-    <li>Fixed a bug (#3330) in the FTP class where a comparison wasn't getting made.</li>

-    <li>Removed an unused parameter from Profiler (#3332).</li>

-    <li>Fixed a bug in database driver where num_rows property wasn't getting updated.</li>

+	<li>Fixed a bug (#2858) which referenced a wrong variable in the Image class.</li>

+	<li>Fixed a bug (#2875)when loading plugin files as _plugin. and not _pi.</li>

+	<li>Fixed a bug (#2912) in <kbd>get_filenames()</kbd> in the <a href="./helpers/file_helper.html">File Helper </a>where the array wasn't cleared after each call.</li>

+	<li>Fixed a bug (#2974) in <kbd>highlight_phrase()</kbd> that caused an error with slashes.</li>

+	<li>Fixed a bug (#3003) in the Encryption Library to support modes other than MCRYPT_MODE_ECB</li>

+	<li>Fixed a bug (#3015) in the <a href="./libraries/user_agent.html">User Agent library</a> where more then 2 languages where not reported with languages().</li>

+	<li>Fixed a bug (#3017) in the <a href="./libraries/email.html">Email</a> library where some timezones were calculated incorrectly. </li>

+	<li>Fixed a bug (#3024) in which master_dim wasn't getting reset by clear() in the Image library.</li>

+	<li>Fixed a bug (#3156) in Text Helper highlight_code() causing PHP tags to be handled incorrectly.</li>

+	<li>Fixed a bug (#3166) that prevented num_rows from working in Oracle.</li>

+	<li>Fixed a bug (#3175) preventing certain libraries from working properly when autoloaded in PHP 4.</li>

+	<li>Fixed a bug (#3267) in the Typography Helper where unordered list was listed &quot;un.</li>

+	<li>Fixed a bug (#3268) where the Router could leave '/' as the path.</li>

+	<li>Fixed a bug (#3279) where the Email class was sending the wrong Content-Transfer-Encoding for some character sets.</li>

+	<li>Fixed a bug (#3284) where the rsegment array would not be set properly if the requested URI contained more segments than the routed URI.</li>

+	<li>Removed extraneous load of $CFG in _display_cache() of the Output class (#3285).</li>

+	<li>Removed an extraneous call to loading models (#3286).</li>

+	<li>Fixed a bug (#3310) with sanitization of globals in the Input class that could unset CI's global variables.</li>

+	<li>Fixed a bug (#3314) which would cause the top level path to be deleted in delete_files() of the File helper.</li>

+	<li>Fixed a bug (#3328) where the smiley helper might return an undefined variable.</li>

+	<li>Fixed a bug (#3330) in the FTP class where a comparison wasn't getting made.</li>

+	<li>Removed an unused parameter from Profiler (#3332).</li>

+	<li>Fixed a bug in database driver where num_rows property wasn't getting updated.</li>

 	<li>Fixed a bug in the <a href="./libraries/file_uploading.html">upload library</a> when allowed_files wasn't defined.</li>

-    <li>Fixed a bug in <kbd>word_wrap()</kbd> of the Text Helper that incorrectly referenced an object. </li>

-    <li>Fixed a bug in <a href="./libraries/validation.html">Validation</a> where <kbd>valid_ip()</kbd> wasn't called properly.</li>

-    <li>Fixed a bug in <a href="./libraries/validation.html">Validation</a> where individual error messages for checkboxes wasn't supported.</li>

-    <li>Fixed a bug in captcha calling an invalid PHP function.</li>

-    <li>Fixed a bug in the cookie helper "set_cookie" function.  It was not honoring the config settings.</li>

-    <li>Fixed a bug that was making validation callbacks required even when not set as such.</li>

-    <li>Fixed a bug in the XML-RPC library so if a type is specified, a more intelligent decision is made as to the default type.</li>

-    <li>Fixed an example of comma-separated emails in the email library documentation.</li>

-    <li>Fixed an example in the Calendar library for Showing Next/Previous Month Links.</li>

-    <li>Fixed a typo in the database language file.</li>

-    <li>Fixed a typo in the image language file &quot;suppor&quot; to &quot;support&quot;.</li>

-    <li>Fixed an example for XML RPC.</li>

-    <li>Fixed an example of <kbd>accept_charset()</kbd> in the <a href="./libraries/user_agent.html">User Agent Library</a>.</li>

-    <li>Fixed a typo in the docblock comments that had CodeIgniter spelled CodeIgnitor.</li>

-    <li>Fixed a typo in the <a href="./helpers/string_helper.html">String Helper</a> (uniquid changed to uniqid).</li>

-    <li>Fixed typos in the email Language class (email_attachment_unredable, email_filed_smtp_login), and FTP Class (ftp_unable_to_remame).</li>

-    <li>Added a stripslashes()  into the Upload Library.</li>

-    <li>Fixed a series of grammatical and spelling errors in the language files.</li>

-    <li>Fixed assorted user guide typos.</li>

+	<li>Fixed a bug in <kbd>word_wrap()</kbd> of the Text Helper that incorrectly referenced an object. </li>

+	<li>Fixed a bug in <a href="./libraries/validation.html">Validation</a> where <kbd>valid_ip()</kbd> wasn't called properly.</li>

+	<li>Fixed a bug in <a href="./libraries/validation.html">Validation</a> where individual error messages for checkboxes wasn't supported.</li>

+	<li>Fixed a bug in captcha calling an invalid PHP function.</li>

+	<li>Fixed a bug in the cookie helper "set_cookie" function.  It was not honoring the config settings.</li>

+	<li>Fixed a bug that was making validation callbacks required even when not set as such.</li>

+	<li>Fixed a bug in the XML-RPC library so if a type is specified, a more intelligent decision is made as to the default type.</li>

+	<li>Fixed an example of comma-separated emails in the email library documentation.</li>

+	<li>Fixed an example in the Calendar library for Showing Next/Previous Month Links.</li>

+	<li>Fixed a typo in the database language file.</li>

+	<li>Fixed a typo in the image language file &quot;suppor&quot; to &quot;support&quot;.</li>

+	<li>Fixed an example for XML RPC.</li>

+	<li>Fixed an example of <kbd>accept_charset()</kbd> in the <a href="./libraries/user_agent.html">User Agent Library</a>.</li>

+	<li>Fixed a typo in the docblock comments that had CodeIgniter spelled CodeIgnitor.</li>

+	<li>Fixed a typo in the <a href="./helpers/string_helper.html">String Helper</a> (uniquid changed to uniqid).</li>

+	<li>Fixed typos in the email Language class (email_attachment_unredable, email_filed_smtp_login), and FTP Class (ftp_unable_to_remame).</li>

+	<li>Added a stripslashes()  into the Upload Library.</li>

+	<li>Fixed a series of grammatical and spelling errors in the language files.</li>

+	<li>Fixed assorted user guide typos.</li>

 </ul>

 <h2>Version 1.5.4</h2>

 <p>Release Date: July 12, 2007 </p>

 <ul>

-    <li>Added <a href="./libraries/language.html">custom Language files</a> to the <a href="./general/autoloader.html">autoload</a> options. </li>

+	<li>Added <a href="./libraries/language.html">custom Language files</a> to the <a href="./general/autoloader.html">autoload</a> options. </li>

 	<li>Added stripslashes() to the _clean_input_data() function in the <a href="./libraries/input.html">Input class</a> when magic quotes is on so that data will always be un-slashed within the framework.</li>

 	<li>Added array to string into the <a href="general/profiling.html">profiler</a>.</li>

 	<li>Added some additional mime types in application/config/mimes.php.</li>

@@ -497,10 +496,10 @@ SVN Revision: 1155</p>
 	<li>Fixed a bug that was allowing multiple load attempts on extended classes.</li>

 	<li>Fixed a bug in the bootstrap file that was incorrectly attempting to discern the full server path even when it was explicity set by the user.</li>

 	<li>Fixed a bug in the escape_str() function in the MySQL driver.</li>

-    <li>Fixed a typo in the <a href="./libraries/calendar.html">Calendar library </a> </li>

-    <li>Fixed a typo in rpcs.php library</li>

-    <li>Fixed a bug in the <a href="./libraries/zip.html">Zip library</a>, providing PC Zip file compatibility with Mac OS X</li>

-    <li>Fixed a bug in router that was ignoring the scaffolding route for optimization </li>

+	<li>Fixed a typo in the <a href="./libraries/calendar.html">Calendar library </a> </li>

+	<li>Fixed a typo in rpcs.php library</li>

+	<li>Fixed a bug in the <a href="./libraries/zip.html">Zip library</a>, providing PC Zip file compatibility with Mac OS X</li>

+	<li>Fixed a bug in router that was ignoring the scaffolding route for optimization </li>

 	<li>Fixed an IP validation bug.</li>

 	<li>Fixed a bug in display of POST keys in the <a href="./general/profiling.html">Profiler</a> output</li>

 	<li>Fixed a bug in display of queries with characters that would be interpreted as HTML in the <a href="./general/profiling.html">Profiler</a> output</li>

@@ -511,59 +510,59 @@ SVN Revision: 1155</p>
 	<li>Fixed various doc typos. </li>

 	<li>Documented two functions from the <a href="./helpers/string_helper.html">String helper </a> that were missing from the user guide:  trim_slashes() and reduce_double_slashes().</li>

 	<li>Docs now validate to XHTML 1 transitional</li>

-    <li>Updated the XSS Filtering to take into account the IE expression() ability and improved certain deletions to prevent possible exploits</li>

-    <li>Modified the Router so that when Query Strings are Enabled, the controller trigger and function trigger values are sanitized for filename include security.</li>

-    <li>Modified the is_image() method in the Upload library to take into account Windows IE 6/7 eccentricities when dealing with MIMEs</li>

-    <li>Modified XSS Cleaning routine to be more performance friendly and compatible with PHP 5.2's new PCRE backtrack and recursion limits.</li>

+	<li>Updated the XSS Filtering to take into account the IE expression() ability and improved certain deletions to prevent possible exploits</li>

+	<li>Modified the Router so that when Query Strings are Enabled, the controller trigger and function trigger values are sanitized for filename include security.</li>

+	<li>Modified the is_image() method in the Upload library to take into account Windows IE 6/7 eccentricities when dealing with MIMEs</li>

+	<li>Modified XSS Cleaning routine to be more performance friendly and compatible with PHP 5.2's new PCRE backtrack and recursion limits.</li>

 	<li>Modified the <a href="./helpers/url_helper.html">URL Helper</a> to type cast the $title as a string in case a numeric value is supplied</li>

 	<li>Modified Form Helper form_dropdown() to type cast the keys and values of the options array as strings, allowing numeric values to be properly set as 'selected'</li>

 	<li>Deprecated the use if <kbd>is_numeric()</kbd> in various places since it allows periods.  Due to compatibility problems with <kbd>ctype_digit()</kbd>, making it unreliable in some installations, the following regular expression was used instead:  <kbd>preg_match("/[^0-9]/", $n)</kbd></li>

-    <li>Deprecated: APPVER has been deprecated and replaced with CI_VERSION for clarity. </li>

+	<li>Deprecated: APPVER has been deprecated and replaced with CI_VERSION for clarity. </li>

 </ul>

 <h2>Version 1.5.3</h2>

 <p>Release Date: April 15, 2007 </p>

 <ul>

-    <li>Added array to string into the profiler </li>

-    <li>Code Igniter references updated to CodeIgniter </li>

-    <li>pMachine references updated to EllisLab </li>

-    <li>Fixed a bug in the repeater function of <a href="./helpers/string_helper.html">string helper</a>. </li>

-    <li>Fixed a bug in ODBC driver </li>

-    <li>Fixed a bug in result_array() that was returning an empty array when no result is produced.</li>

-    <li>Fixed a bug in the redirect function of the <a href="./helpers/url_helper.html">url helper</a>. </li>

-    <li>Fixed an undefined variable in Loader </li>

-    <li>Fixed a version bug in the Postgre driver </li>

-    <li>Fixed a bug in the textarea function of the form helper for use with strings</li>

-    <li>Fixed doc typos. </li>

+	<li>Added array to string into the profiler </li>

+	<li>Code Igniter references updated to CodeIgniter </li>

+	<li>pMachine references updated to EllisLab </li>

+	<li>Fixed a bug in the repeater function of <a href="./helpers/string_helper.html">string helper</a>. </li>

+	<li>Fixed a bug in ODBC driver </li>

+	<li>Fixed a bug in result_array() that was returning an empty array when no result is produced.</li>

+	<li>Fixed a bug in the redirect function of the <a href="./helpers/url_helper.html">url helper</a>. </li>

+	<li>Fixed an undefined variable in Loader </li>

+	<li>Fixed a version bug in the Postgre driver </li>

+	<li>Fixed a bug in the textarea function of the form helper for use with strings</li>

+	<li>Fixed doc typos. </li>

 </ul>

 <h2>Version 1.5.2</h2>

 <p>Release Date: February 13, 2007 </p>

 <ul>

-    <li>Added <a href="./installation/downloads.html#svn">subversion information</a> to the <a href="./installation/downloads.html">downloads</a> page. </li>

+	<li>Added <a href="./installation/downloads.html#svn">subversion information</a> to the <a href="./installation/downloads.html">downloads</a> page. </li>

 	<li>Added support for captions in the <a href="./libraries/table.html">Table Library</a> </li>

 	<li>Fixed a bug in the <a href="./helpers/download_helper.html">download_helper</a> that was causing Internet Explorer to load rather then download </li>

-    <li>Fixed a bug in the Active Record Join function that was not taking table prefixes into consideration.</li>

-    <li>Removed unescaped variables in error messages of Input and Router classes</li>

-    <li>Fixed a bug in the Loader that was causing errors on Libraries loaded twice. A debug message is now silently made in the log.  </li>

-    <li>Fixed a bug in the <a href="./helpers/form_helper.html">form helper</a> that gave textarea a value attribute </li>

-    <li>Fixed a bug in the <a href="./libraries/image_lib.php">Image Library</a> that was ignoring resizing the same size image </li>

-    <li>Fixed some doc typos.</li>

+	<li>Fixed a bug in the Active Record Join function that was not taking table prefixes into consideration.</li>

+	<li>Removed unescaped variables in error messages of Input and Router classes</li>

+	<li>Fixed a bug in the Loader that was causing errors on Libraries loaded twice. A debug message is now silently made in the log.  </li>

+	<li>Fixed a bug in the <a href="./helpers/form_helper.html">form helper</a> that gave textarea a value attribute </li>

+	<li>Fixed a bug in the <a href="./libraries/image_lib.php">Image Library</a> that was ignoring resizing the same size image </li>

+	<li>Fixed some doc typos.</li>

 </ul>

 

 

 <h2>Version 1.5.1</h2>

 <p>Release Date: November 23, 2006</p>

 <ul>

-    <li>Added support for submitting arrays of libraries in the $this-&gt;load-&gt;library function.</li>

-    <li>Added support for naming custom library files in lower or uppercase.</li>

-    <li>Fixed a bug related to output buffering.</li>

-    <li>Fixed a bug in the active record class that was not resetting query data after a completed query.</li>

-    <li>Fixed a bug that was suppressing errors in controllers.</li>

-    <li>Fixed a problem that can cause a loop to occur when the config file is missing.</li>

-    <li>Fixed a bug that occurred when multiple models were loaded with the third parameter set to TRUE.</li>

-    <li>Fixed an oversight that was not unsetting globals properly in the input sanitize function.</li>

-    <li>Fixed some bugs in the Oracle DB driver.</li>

-    <li>Fixed an incorrectly named variable in the MySQLi result driver.</li>

-    <li>Fixed some doc typos.</li>

+	<li>Added support for submitting arrays of libraries in the $this-&gt;load-&gt;library function.</li>

+	<li>Added support for naming custom library files in lower or uppercase.</li>

+	<li>Fixed a bug related to output buffering.</li>

+	<li>Fixed a bug in the active record class that was not resetting query data after a completed query.</li>

+	<li>Fixed a bug that was suppressing errors in controllers.</li>

+	<li>Fixed a problem that can cause a loop to occur when the config file is missing.</li>

+	<li>Fixed a bug that occurred when multiple models were loaded with the third parameter set to TRUE.</li>

+	<li>Fixed an oversight that was not unsetting globals properly in the input sanitize function.</li>

+	<li>Fixed some bugs in the Oracle DB driver.</li>

+	<li>Fixed an incorrectly named variable in the MySQLi result driver.</li>

+	<li>Fixed some doc typos.</li>

 </ul>

 <h2>Version 1.5.0.1</h2>

 <p>Release Date: October 31, 2006</p>