Change SGML to XML

about.page

@@ -1,27 +1,33 @@
 ---
 title: Alert
-description: Display alert messages throughout the page.
+description: Display alert messages once.
 icon: 'M7,2V13H10V22L17,10H13L17,2H7Z'
 author: Taufik Nurrohman
 type: Markdown
 version: 2.0.0
 ...
 
-All method names except `get`, `let`, and `set` can be used. This class makes use of the `__callStatic()` method to generate dynamic types. Each method declares the alert type. The most common and recommended method names are `error`, `info`, and `success`, which can be used to represent [three-valued logic](https://en.wikipedia.org/wiki/Three-valued_logic) (`error` as `false`, `info` as `null`, and `success` as `true`).
+All methods except `get`, `let`, and `set` can be used. This class uses `__callStatic` method to generate dynamic types. Each given method will declare the alert type. The most common and recommended method names are `error`, `info`, and `success`, which can be used to represent [three-valued logic](https://en.wikipedia.org/wiki/Three-valued_logic) (`error` as `false`, `info` as `null`, and `success` as `true`).
 
 ~~~ .php
 Alert::error('This is an error message.');
 Alert::info('This is an info message.');
 Alert::success('This is a success message.');
 ~~~
 
-To display the alert block in your layout, add this line at a specific point in your layout file, for example under the form’s opening tag:
+It is possible to add parameters to your message like this:
+
+~~~ .php
+Alert::error('Please fill out the %s field!', ['name']); // “Please fill out the name field!”
+~~~
+
+To display the alert block in your layout, add this line at a specific point in your layout file, for example, under the form’s opening tag:
 
 ~~~ .php
 <?= self::alert(); ?>
 ~~~
 
-The built-in alert block doesn’t care about the type. Every alert created will be passed as a `<p role="alert">…</p>` element in the HTML output. To generate unique alert block for each type, you need to make your own HTML output in a `.\lot\layout\alert.php` file:
+The built-in alert block doesn’t care about the type. Every alert created will be passed as a `<p role="alert">…</p>` element in the HTML output. To generate unique alert block for each type, you need to make your own HTML output in a `.\lot\y\*\alert.php` file:
 
 ~~~ .php
 <?php foreach (alert() as $v): ?>

engine/kernel/alert.php

@@ -20,7 +20,7 @@ public function __toString() {
         if ($alert = self::get()) {
             $out = "";
             foreach ($alert as $v) {
-                $out .= new SGML($v);
+                $out .= new XML($v);
             }
             return $out;
         }