Merge branch '4.3' into 4.4

* 4.3:
  Remove duplicate namespace in code example
  Use correct code-block
  Remove space before self closing XML tag
  Remove duplicate word

Author: OskarStark

forms.rst

@@ -545,7 +545,7 @@ Form Type Options
 
 Each :ref:`form type <form-types>` has a number of options to configure it, as
 explained in the :doc:`Symfony form types reference </reference/forms/types>`.
-Two commonly used options options are ``required`` and ``label``.
+Two commonly used options are ``required`` and ``label``.
 
 The ``required`` Option
 .......................

routing.rst

@@ -200,7 +200,7 @@ Use the ``methods`` option to restrict the verbs each route should respond to:
 
     HTML forms only support ``GET`` and ``POST`` methods. If you're calling a
     route with a different method from an HTML form, add a hidden field called
-    ``_method`` with the method to use (e.g. ``<input type="hidden" name="_method" value="PUT" />``).
+    ``_method`` with the method to use (e.g. ``<input type="hidden" name="_method" value="PUT"/>``).
     If you create your forms with :doc:`Symfony Forms </forms>` this is done
     automatically for you.
 
@@ -1910,7 +1910,7 @@ Generating URLs in Templates
 The Twig template language used in :doc:`Symfony templates </templating>`
 provides some functions to generate both relative and absolute URLs:
 
-.. code-block:: twig
+.. code-block:: html+twig
 
     {# generates relative URLs #}
     <a href="{{ path('sign_up') }}">Sign up</a>

workflow.rst

@@ -664,7 +664,6 @@ Then you can access this metadata in your controller as follows::
 
     use App\Entity\BlogPost;
     use Symfony\Component\Workflow\Registry;
-    use App\Entity\BlogPost;
 
     public function myController(Registry $registry, BlogPost $post)
     {