Merge branch '3.4' into 4.0

* 3.4:
  Clean up
  Clean up

Author: xabbuh

components/asset.rst

@@ -66,7 +66,7 @@ any versioning::
     // Absolute path
     echo $package->getUrl('/image.png');
     // result: /image.png
-    
+
     // Relative path
     echo $package->getUrl('image.png');
     // result: image.png
@@ -113,7 +113,7 @@ suffix to any asset path::
     // Absolute path
     echo $package->getUrl('/image.png');
     // result: /image.png?v1
-    
+
     // Relative path
     echo $package->getUrl('image.png');
     // result: image.png?v1
@@ -132,7 +132,7 @@ string as the second argument of the ``StaticVersionStrategy`` constructor::
 
     echo $package->getUrl('/image.png');
     // result: /v1/image.png
-    
+
     echo $package->getUrl('image.png');
     // result: v1/image.png
 
@@ -183,7 +183,7 @@ that path over and over again::
 
     echo $package->getUrl('logo.png');
     // result: /static/images/logo.png?v1
-    
+
     // Base path is ignored when using absolute paths
     echo $package->getUrl('/logo.png');
     // result: /logo.png?v1

components/cache/psr6_psr16_adapters.rst

@@ -44,7 +44,7 @@ this use-case::
 
     // a PSR-6 cache that uses your cache internally!
     $psr6Cache = new SimpleCacheAdapter($psr16Cache);
-    
+
     // now use this wherever you want
     $githubApiClient = new GitHubApiClient($psr6Cache);
 
@@ -81,6 +81,6 @@ this use-case::
 
     // a PSR-16 cache that uses your cache internally!
     $psr16Cache = new Psr6Cache($psr6Cache);
-    
+
     // now use this wherever you want
     $githubApiClient = new GitHubApiClient($psr16Cache);

components/filesystem.rst

@@ -6,7 +6,6 @@ The Filesystem Component
 
     The Filesystem component provides basic utilities for the filesystem.
 
-
 Installation
 ------------
 

components/lock.rst

@@ -143,7 +143,6 @@ Locks are created and managed in ``Stores``, which are classes that implement
 :class:`Symfony\\Component\\Lock\\StoreInterface`. The component includes the
 following built-in store types:
 
-
 ============================================  ======  ========  ========
 Store                                         Scope   Blocking  Expiring
 ============================================  ======  ========  ========

components/phpunit_bridge.rst

@@ -493,7 +493,6 @@ Consider the following example::
         }
     }
 
-
 The ``FooTest::test`` method executes every single line of code of both ``Foo``
 and ``Bar`` classes, but ``Bar`` is not truly tested. The ``CoverageListener``
 aims to fix this behavior by adding the appropriate `@covers`_ annotation on

components/routing.rst

@@ -417,7 +417,6 @@ routes with UTF-8 characters:
 
         return $collection;
 
-
 In this route, the ``utf8`` option set to ``true`` makes Symfony consider the
 ``.`` requirement to match any UTF-8 characters instead of just a single
 byte character. This means that so the following URLs would match:

components/serializer.rst

@@ -166,7 +166,6 @@ an exception when additional attributes are passed::
         'allow_extra_attributes' => false,
     ));
 
-
 Deserializing in an Existing Object
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

console.rst

@@ -186,7 +186,7 @@ as a service, you can use normal dependency injection. Imagine you have a
         public function __construct(UserManager $userManager)
         {
             $this->userManager = $userManager;
-            
+
             parent::__construct();
         }
 

create_framework/event_dispatcher.rst

@@ -138,7 +138,7 @@ the registration of a listener for the ``response`` event::
 
         $response->setContent($response->getContent().'GA CODE');
     });
-    
+
     $controllerResolver = new ControllerResolver();
     $argumentResolver = new ArgumentResolver();
 

frontend/encore/babel.rst

@@ -15,7 +15,7 @@ Need to extend the Babel configuration further? The easiest way is via
 
     Encore
         // ...
-        
+
         // first, install any presets you want to use (e.g. yarn add babel-preset-es2017)
         // then, modify the default Babel configuration
         .configureBabel(function(babelConfig) {