add kbd to text-level elements

Add Symfony demo to "Who uses it?"

Parsedown.php

@@ -448,7 +448,7 @@ class Parsedown
             return $Block;
         }
 
-        $Block['element']['text']['text'] .= "\n".$Line['body'];;
+        $Block['element']['text']['text'] .= "\n".$Line['body'];
 
         return $Block;
     }
@@ -1204,7 +1204,7 @@ class Parsedown
 
         $remainder = $Excerpt['text'];
 
-        if (preg_match('/\[((?:[^][]|(?R))*)\]/', $remainder, $matches))
+        if (preg_match('/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches))
         {
             $Element['text'] = $matches[1];
 
@@ -1217,7 +1217,7 @@ class Parsedown
             return;
         }
 
-        if (preg_match('/^[(]((?:[^ ()]|[(][^ )]+[)])+)(?:[ ]+("[^"]*"|\'[^\']*\'))?[)]/', $remainder, $matches))
+        if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*"|\'[^\']*\'))?\s*[)]/', $remainder, $matches))
         {
             $Element['attributes']['href'] = $matches[1];
 
@@ -1539,10 +1539,10 @@ class Parsedown
         'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing',
         'i', 'rp', 'del', 'code',          'strike', 'marquee',
         'q', 'rt', 'ins', 'font',          'strong',
-        's', 'tt', 'sub', 'mark',
-        'u', 'xm', 'sup', 'nobr',
-                   'var', 'ruby',
-                   'wbr', 'span',
-                          'time',
+        's', 'tt', 'kbd', 'mark',
+        'u', 'xm', 'sub', 'nobr',
+                   'sup', 'ruby',
+                   'var', 'span',
+                   'wbr', 'time',
     );
 }

README.md

@@ -49,7 +49,7 @@ It passes most of the CommonMark tests. Most of the tests that don't pass deal w
 
 **Who uses it?**
 
-[phpDocumentor](http://www.phpdoc.org/), [October CMS](http://octobercms.com/), [Bolt CMS](http://bolt.cm/), [Kirby CMS](http://getkirby.com/), [Grav CMS](http://getgrav.org/), [Statamic CMS](http://www.statamic.com/), [Herbie CMS](http://www.getherbie.org/), [RaspberryPi.org](http://www.raspberrypi.org/) and [more](https://packagist.org/packages/erusev/parsedown/dependents).
+[phpDocumentor](http://www.phpdoc.org/), [October CMS](http://octobercms.com/), [Bolt CMS](http://bolt.cm/), [Kirby CMS](http://getkirby.com/), [Grav CMS](http://getgrav.org/), [Statamic CMS](http://www.statamic.com/), [Herbie CMS](http://www.getherbie.org/), [RaspberryPi.org](http://www.raspberrypi.org/), [Symfony demo](https://github.com/symfony/symfony-demo) and [more](https://packagist.org/packages/erusev/parsedown/dependents).
 
 **How can I help?**
 

test/CommonMarkTest.php

@@ -8,7 +8,7 @@
  * @link http://commonmark.org/ CommonMark
  * @link http://git.io/8WtRvQ JavaScript test runner
  */
-class CommonMarkTest extends PHPUnit_Framework_TestCase
+class CommonMarkTest extends \PHPUnit\Framework\TestCase
 {
     const SPEC_URL = 'https://raw.githubusercontent.com/jgm/stmd/master/spec.txt';
 

test/ParsedownTest.php

@@ -1,6 +1,6 @@
 <?php
 
-class ParsedownTest extends PHPUnit_Framework_TestCase
+class ParsedownTest extends \PHPUnit\Framework\TestCase
 {
     final function __construct($name = null, array $data = array(), $dataName = '')
     {

test/bootstrap.php

@@ -1,3 +1,7 @@
 <?php
 
-include 'Parsedown.php';
+include 'Parsedown.php';
+
+if ( ! class_exists('\PHPUnit\Framework\TestCase') && class_exists('\PHPUnit_Framework_TestCase')) {
+    class_alias('\PHPUnit_Framework_TestCase', '\PHPUnit\Framework\TestCase');
+}