Merge branch '3.4' into 4.1

* 3.4:
  added a space before "=" in code
  fix the markup
  Changing to absolute url, as requested
  Updated link to Event Listeners page
  Revert "Fix typo on which YAML values must not be quoted"
  Fix typo (shard -> shared)
  Fix typo on which YAML values must not be quoted

Author: weaverryan

components/lock.rst

@@ -262,7 +262,7 @@ then the lock is considered as acquired; otherwise as not acquired::
 
     $stores = [];
     foreach (array('server1', 'server2', 'server3') as $server) {
-        $redis= new \Redis();
+        $redis = new \Redis();
         $redis->connect($server);
 
         $stores[] = new RedisStore($redis);

doctrine/event_listeners_subscribers.rst

@@ -239,4 +239,4 @@ to the tag like so:
     definitions which are described :doc:`in their own article </service_container/lazy_services>`
 
 .. _`The Event System`: http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/events.html
-.. _`the Doctrine Documentation`: http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/events.html#entity-listeners
+.. _`the Doctrine Documentation`: https://symfony.com/doc/current/bundles/DoctrineBundle/entity-listeners.html

frontend/encore/shared-entry.rst

@@ -39,7 +39,7 @@ in your layout, *before* ``app.js``:
 
 Before making this change, if both ``app.js`` and ``store.js`` require ``jquery``,
 then ``jquery`` would be packaged into *both* files, which is wasteful. By making
-``app.js`` your "shard" entry, *any* code required by ``app.js`` (like jQuery) will
+``app.js`` your "shared" entry, *any* code required by ``app.js`` (like jQuery) will
 *no longer* be packaged into any other files. The same is true for any CSS.
 
 Because ``app.js`` contains all the common code that other entry files depend on,