docs: add or fix text decoration

Author: kenjis

user_guide_src/source/tutorial/create_news_items.rst

@@ -82,7 +82,7 @@ validation <../libraries/validation>` library to do this.
     }
 
 The code above adds a lot of functionality. First we load the NewsModel.
-After that, we check if we deal with the ``POST`` request and then
+After that, we check if we deal with the **POST** request and then
 the Controller-provided helper function is used to validate
 the $_POST fields. In this case, the title and text fields are required.
 
@@ -96,7 +96,7 @@ was submitted **and** passed all the rules, the model is called. This
 takes care of passing the news item into the model.
 This contains a new function ``url_title()``. This function -
 provided by the :doc:`URL helper <../helpers/url_helper>` - strips down
-the string you pass it, replacing all spaces by dashes (-) and makes
+the string you pass it, replacing all spaces by dashes (``-``) and makes
 sure everything is in lowercase characters. This leaves you with a nice
 slug, perfect for creating URIs.
 

user_guide_src/source/tutorial/index.rst

@@ -61,7 +61,7 @@ From your command line type the following:
 
     composer create-project codeigniter4/appstarter ci-news
 
-This creates a new folder, ci-news, which contains your application code, with
+This creates a new folder, **ci-news**, which contains your application code, with
 CodeIgniter installed in the vendor folder.
 
 By default, CodeIgniter starts up in production mode. This is a safety feature
@@ -71,7 +71,7 @@ So first let's fix that. Copy or rename the ``env`` file to ``.env``. Open it up
 This file contains server-specific settings. This means you never will need to
 commit any sensitive information to your version control system. It includes
 some of the most common ones you want to enter already, though they are all commented
-out. So uncomment the line with CI_ENVIRONMENT on it, and change ``production`` to
+out. So uncomment the line with ``CI_ENVIRONMENT`` on it, and change ``production`` to
 ``development``::
 
     CI_ENVIRONMENT = development

user_guide_src/source/tutorial/news_section.rst

@@ -228,7 +228,7 @@ and add the next piece of code.
     <?php endif ?>
 
 
-.. note:: We are again using using **esc()** to help prevent XSS attacks.
+.. note:: We are again using using ``esc()`` to help prevent XSS attacks.
     But this time we also passed "url" as a second parameter. That's because
     attack patterns are different depending on the context in which the output
     is used. You can read more about it :doc:`here </general/common_functions>`.

user_guide_src/source/tutorial/static_pages.rst

@@ -63,7 +63,7 @@ displays the CodeIgniter welcome page.
 The ``Pages`` class is extending the
 ``CodeIgniter\Controller`` class. This means that the new Pages class can access the
 methods and variables defined in the ``CodeIgniter\Controller`` class
-(*system/Controller.php*).
+(**system/Controller.php**).
 
 The **controller is what will become the center of every request** to
 your web application. Like any PHP class, you refer to
@@ -99,7 +99,7 @@ includes the following code:
     </body>
     </html>
 
-.. note:: If you look closely in **header.php** template we are using an **esc()**
+.. note:: If you look closely in **header.php** template we are using an ``esc()``
     function. It's a global function provided by CodeIgniter to help prevent
     XSS attacks. You can read more about it :doc:`here </general/common_functions>`.
 
@@ -163,7 +163,7 @@ is assigned to a variable with the name of its key. So the value of
 ``$data['title']`` in the controller is equivalent to ``$title`` in the
 view.
 
-.. note:: Any files and directory names passed into the **view()** function MUST
+.. note:: Any files and directory names passed into the ``view()`` function MUST
     match the case of the actual directory and file itself or the system will
     throw errors on case-sensitive platforms. You can read more about it
     :doc:`here </outgoing/views>`.
@@ -269,5 +269,5 @@ You should see something like the following:
     :align: center
 
 .. note:: When manually specifying routes, it is recommended to disable
-    auto-routing by setting ``$routes->setAutoRoute(false);`` in the Routes.php file.
+    auto-routing by setting ``$routes->setAutoRoute(false);`` in the **Routes.php** file.
     This ensures that only routes you define can be accessed.