fixing code spacing in Profiling, Models, Managing Apps, Hooks, and Helpers general docs
diff --git a/user_guide_src/source/general/helpers.rst b/user_guide_src/source/general/helpers.rst
index 2b113c1..71cb8b2 100644
--- a/user_guide_src/source/general/helpers.rst
+++ b/user_guide_src/source/general/helpers.rst
@@ -102,7 +102,28 @@
 named application/helpers/MY_array_helper.php, and add or override
 functions::
 
-	 // any_in_array() is not in the Array Helper, so it defines a new function function any_in_array($needle, $haystack) {     $needle = (is_array($needle)) ? $needle : array($needle);          foreach ($needle as $item)     {         if (in_array($item, $haystack))         {             return TRUE;         }         }          return FALSE; }  // random_element() is included in Array Helper, so it overrides the native function function random_element($array) {     shuffle($array);     return array_pop($array); }
+	// any_in_array() is not in the Array Helper, so it defines a new function
+	function any_in_array($needle, $haystack)
+	{
+	    $needle = (is_array($needle)) ? $needle : array($needle);
+
+	    foreach ($needle as $item)
+	    {
+	        if (in_array($item, $haystack))
+	        {
+	            return TRUE;
+	        }
+	        }
+
+	    return FALSE;
+	}
+
+	// random_element() is included in Array Helper, so it overrides the native function
+	function random_element($array)
+	{
+	    shuffle($array);
+	    return array_pop($array);
+	}
 
 Setting Your Own Prefix
 -----------------------
diff --git a/user_guide_src/source/general/hooks.rst b/user_guide_src/source/general/hooks.rst
index ab42d28..65696f6 100644
--- a/user_guide_src/source/general/hooks.rst
+++ b/user_guide_src/source/general/hooks.rst
@@ -26,7 +26,13 @@
 Hooks are defined in application/config/hooks.php file. Each hook is
 specified as an array with this prototype::
 
-	 $hook['pre_controller'] = array(                                 'class'    => 'MyClass',                                 'function' => 'Myfunction',                                 'filename' => 'Myclass.php',                                 'filepath' => 'hooks',                                 'params'   => array('beer', 'wine', 'snacks')                                 );
+	$hook['pre_controller'] = array(
+	                                'class'    => 'MyClass',
+	                                'function' => 'Myfunction',
+	                                'filename' => 'Myclass.php',
+	                                'filepath' => 'hooks',
+	                                'params'   => array('beer', 'wine', 'snacks')
+	                                );
 
 **Notes:**
 The array index correlates to the name of the particular hook point you
@@ -54,7 +60,21 @@
 If want to use the same hook point with more then one script, simply
 make your array declaration multi-dimensional, like this::
 
-	 $hook['pre_controller'][] = array(                                 'class'    => 'MyClass',                                 'function' => 'Myfunction',                                 'filename' => 'Myclass.php',                                 'filepath' => 'hooks',                                 'params'   => array('beer', 'wine', 'snacks')                                 );  $hook['pre_controller'][] = array(                                 'class'    => 'MyOtherClass',                                 'function' => 'MyOtherfunction',                                 'filename' => 'Myotherclass.php',                                 'filepath' => 'hooks',                                 'params'   => array('red', 'yellow', 'blue')                                 );
+	$hook['pre_controller'][] = array(
+	                                'class'    => 'MyClass',
+	                                'function' => 'Myfunction',
+	                                'filename' => 'Myclass.php',
+	                                'filepath' => 'hooks',
+	                                'params'   => array('beer', 'wine', 'snacks')
+	                                );
+
+	$hook['pre_controller'][] = array(
+	                                'class'    => 'MyOtherClass',
+	                                'function' => 'MyOtherfunction',
+	                                'filename' => 'Myotherclass.php',
+	                                'filepath' => 'hooks',
+	                                'params'   => array('red', 'yellow', 'blue')
+	                                );
 
 Notice the brackets after each array index::
 
diff --git a/user_guide_src/source/general/managing_apps.rst b/user_guide_src/source/general/managing_apps.rst
index edc94d2..9964813 100644
--- a/user_guide_src/source/general/managing_apps.rst
+++ b/user_guide_src/source/general/managing_apps.rst
@@ -39,7 +39,20 @@
 For example, let's say you want to create two applications, "foo" and
 "bar". You could structure your application folders like this::
 
-	applications/foo/ applications/foo/config/ applications/foo/controllers/ applications/foo/errors/ applications/foo/libraries/ applications/foo/models/ applications/foo/views/ applications/bar/ applications/bar/config/ applications/bar/controllers/ applications/bar/errors/ applications/bar/libraries/ applications/bar/models/ applications/bar/views/
+	applications/foo/
+	applications/foo/config/
+	applications/foo/controllers/
+	applications/foo/errors/
+	applications/foo/libraries/
+	applications/foo/models/
+	applications/foo/views/
+	applications/bar/
+	applications/bar/config/
+	applications/bar/controllers/
+	applications/bar/errors/
+	applications/bar/libraries/
+	applications/bar/models/
+	applications/bar/views/
 
 To select a particular application for use requires that you open your
 main index.php file and set the $application_folder variable. For
diff --git a/user_guide_src/source/general/models.rst b/user_guide_src/source/general/models.rst
index e26207c..55081d1 100644
--- a/user_guide_src/source/general/models.rst
+++ b/user_guide_src/source/general/models.rst
@@ -20,10 +20,46 @@
 update, and retrieve your blog data. Here is an example of what such a
 model class might look like::
 
-	 class Blogmodel extends CI_Model {      var $title   = '';     var $content = '';     var $date    = '';      function __construct()     {         // Call the Model constructor         parent::__construct();     }          function get_last_ten_entries()     {         $query = $this->db->get('entries', 10);         return $query->result();     }      function insert_entry()     {         $this->title   = $_POST['title']; // please read the below note         $this->content = $_POST['content'];         $this->date    = time();          $this->db->insert('entries', $this);     }      function update_entry()     {         $this->title   = $_POST['title'];         $this->content = $_POST['content'];         $this->date    = time();          $this->db->update('entries', $this, array('id' => $_POST['id']));     }  }
+	class Blogmodel extends CI_Model {
 
-Note: The functions in the above example use the :doc:`Active
-Record <../database/active_record>` database functions.
+	    var $title   = '';
+	    var $content = '';
+	    var $date    = '';
+
+	    function __construct()
+	    {
+	        // Call the Model constructor
+	        parent::__construct();
+	    }
+
+	    function get_last_ten_entries()
+	    {
+	        $query = $this->db->get('entries', 10);
+	        return $query->result();
+	    }
+
+	    function insert_entry()
+	    {
+	        $this->title   = $_POST['title']; // please read the below note
+	        $this->content = $_POST['content'];
+	        $this->date    = time();
+
+	        $this->db->insert('entries', $this);
+	    }
+
+	    function update_entry()
+	    {
+	        $this->title   = $_POST['title'];
+	        $this->content = $_POST['content'];
+	        $this->date    = time();
+
+	        $this->db->update('entries', $this, array('id' => $_POST['id']));
+	    }
+
+	}
+
+.. note:: The functions in the above example use the :doc:`Active
+	Record <../database/active_record>` database functions.
 
 .. note:: For the sake of simplicity in this example we're using $_POST
 	directly. This is generally bad practice, and a more common approach
@@ -38,7 +74,13 @@
 
 The basic prototype for a model class is this::
 
-	 class Model_name extends CI_Model {      function __construct()     {         parent::__construct();     } }
+	class Model_name extends CI_Model {
+
+	    function __construct()
+	    {
+	        parent::__construct();
+	    }
+	}
 
 Where Model_name is the name of your class. Class names **must** have
 the first letter capitalized with the rest of the name lowercase. Make
@@ -47,7 +89,13 @@
 The file name will be a lower case version of your class name. For
 example, if your class is this::
 
-	 class User_model extends CI_Model {      function __construct()     {         parent::__construct();     } }
+	class User_model extends CI_Model {
+
+	    function __construct()
+	    {
+	        parent::__construct();
+	    }
+	}
 
 Your file will be this::
 
@@ -71,17 +119,32 @@
 Once loaded, you will access your model functions using an object with
 the same name as your class::
 
-	 $this->load->model('Model_name');  $this->Model_name->function();
+	$this->load->model('Model_name');
+
+	$this->Model_name->function();
 
 If you would like your model assigned to a different object name you can
 specify it via the second parameter of the loading function::
 
-	 $this->load->model('Model_name', 'fubar');  $this->fubar->function();
+	$this->load->model('Model_name', 'fubar');
+
+	$this->fubar->function();
 
 Here is an example of a controller, that loads a model, then serves a
 view::
 
-	 class Blog_controller extends CI_Controller {      function blog()     {         $this->load->model('Blog');          $data['query'] = $this->Blog->get_last_ten_entries();         $this->load->view('blog', $data);     } }
+	class Blog_controller extends CI_Controller {
+
+	    function blog()
+	    {
+	        $this->load->model('Blog');
+
+	        $data['query'] = $this->Blog->get_last_ten_entries();
+
+	        $this->load->view('blog', $data);
+	    }
+	}
+	
 
 Auto-loading Models
 ===================
@@ -109,9 +172,17 @@
 	$this->load->model('Model_name', '', TRUE);
 
 -  You can manually pass database connectivity settings via the third
-   parameter:
-   ::
+   parameter::
 
-	$config['hostname'] = "localhost";         $config['username'] = "myusername";         $config['password'] = "mypassword";         $config['database'] = "mydatabase";         $config['dbdriver'] = "mysql";         $config['dbprefix'] = "";         $config['pconnect'] = FALSE;         $config['db_debug'] = TRUE;                  $this->load->model('Model_name', '', $config);
+	$config['hostname'] = "localhost";
+	$config['username'] = "myusername";
+	$config['password'] = "mypassword";
+	$config['database'] = "mydatabase";
+	$config['dbdriver'] = "mysql";
+	$config['dbprefix'] = "";
+	$config['pconnect'] = FALSE;
+	$config['db_debug'] = TRUE;
+
+	$this->load->model('Model_name', '', $config);
 
 
diff --git a/user_guide_src/source/general/profiling.rst b/user_guide_src/source/general/profiling.rst
index 60ef585..28c1dd7 100644
--- a/user_guide_src/source/general/profiling.rst
+++ b/user_guide_src/source/general/profiling.rst
@@ -48,13 +48,19 @@
 
 ::
 
-	$config['config']          = FALSE;     $config['queries']         = FALSE;
+	$config['config']          = FALSE;
+	$config['queries']         = FALSE;
 
 In your controllers, you can override the defaults and config file
 values by calling the set_profiler_sections() method of the :doc:`Output
 class <../libraries/output>`::
 
-	$sections = array(         'config'  => TRUE,         'queries' => TRUE         );          $this->output->set_profiler_sections($sections);
+	$sections = array(
+	    'config'  => TRUE,
+	    'queries' => TRUE
+	    );
+
+	$this->output->set_profiler_sections($sections);
 
 Available sections and the array key used to access them are described
 in the table below.