Merge branch '4.2'

* 4.2:
  Update readme for contributing
  Update workflow.rst
  Update workflow.rst
  Added a "see also" note in the Redis cache adapter article
  Remove whitespace before self closing xml tag

Author: javiereguiluz

README.markdown

@@ -6,15 +6,15 @@ This documentation is rendered online at https://symfony.com/doc/current/
 Contributing
 ------------
 
+We love contributors! For more information on how you can contribute to the
+Symfony documentation, please read
+[Contributing to the Documentation](https://symfony.com/doc/current/contributing/documentation/overview.html)
+
 > **Note**
 > Unless you're documenting a feature that was introduced *after* Symfony 3.4
 > (e.g. in Symfony 4.2), all pull requests must be based off of the **3.4** branch,
 > **not** the master or older branches.
 
-We love contributors! For more information on how you can contribute to the
-Symfony documentation, please read
-[Contributing to the Documentation](https://symfony.com/doc/current/contributing/documentation/overview.html)
-
 SymfonyCloud
 ------------
 

cache.rst

@@ -34,6 +34,8 @@ You can read more about these at the :doc:`component documentation </components/
 
     The cache contracts were introduced in Symfony 4.2.
 
+.. _cache-configuration-with-frameworkbundle:
+
 Configuring Cache with FrameworkBundle
 --------------------------------------
 

components/cache/adapters/redis_adapter.rst

@@ -7,7 +7,15 @@
 Redis Cache Adapter
 ===================
 
+.. seealso::
+
+    This article explains how to configure the Redis adapter when using the
+    Cache as an independent component in any PHP application. Read the
+    :ref:`Symfony Cache configuration <cache-configuration-with-frameworkbundle>`
+    article if you are using it in a Symfony application.
+
 This adapter stores the values in-memory using one (or more) `Redis server`_ instances.
+
 Unlike the :ref:`APCu adapter <apcu-adapter>`, and similarly to the
 :ref:`Memcached adapter <memcached-adapter>`, it is not limited to the current server's
 shared memory; you can store contents independent of your PHP environment. The ability

security/remember_me.rst

@@ -223,7 +223,7 @@ First, you need to register ``DoctrineTokenProvider`` as a service:
             xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd">
 
             <services>
-                <service id="Symfony\Bridge\Doctrine\Security\RememberMe\DoctrineTokenProvider" />
+                <service id="Symfony\Bridge\Doctrine\Security\RememberMe\DoctrineTokenProvider"/>
             </services>
         </container>
 

workflow.rst

@@ -317,6 +317,8 @@ workflow leaves a place::
 
     class WorkflowLogger implements EventSubscriberInterface
     {
+        private $logger;
+        
         public function __construct(LoggerInterface $logger)
         {
             $this->logger = $logger;
@@ -445,7 +447,7 @@ transition. The value of this option is any valid expression created with the
                         to:   published
                     reject:
                         # or any valid expression language with "subject" referring to the post
-                        guard: "has_role("ROLE_ADMIN") and subject.isStatusReviewed()"
+                        guard: "has_role('ROLE_ADMIN') and subject.isStatusReviewed()"
                         from: reviewed
                         to:   rejected
 
@@ -602,6 +604,8 @@ requires:
 
 Then you can access this metadata in your controller as follows::
 
+    use Symfony\Component\Workflow\Registry;
+
     public function myController(Registry $registry, Article $article)
     {
         $workflow = $registry->get($article);