minor #7486 Fixed code syntax issues (javiereguiluz)

This PR was squashed before being merged into the 2.7 branch (closes #7486).

Discussion
----------

Fixed code syntax issues

Commits
-------

16e8b05 Fixed code syntax issues

Author: xabbuh

components/http_foundation.rst

@@ -241,8 +241,8 @@ the
 method tells you if the request contains a session which was started in one of
 the previous requests.
 
-Accessing `Accept-*` Headers Data
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Accessing ``Accept-*`` Headers Data
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 You can easily access basic data extracted from ``Accept-*`` headers
 by using the following methods:

doctrine/custom_dql_functions.rst

@@ -78,7 +78,7 @@ In Symfony, you can register your custom DQL functions as follows:
 
     In case the ``entity_managers`` were named explicitly, configuring the functions with the
     orm directly will trigger the exception `Unrecognized option "dql" under "doctrine.orm"`.
-    The `dql` configuration block must be defined under the named entity manager.
+    The ``dql`` configuration block must be defined under the named entity manager.
 
     .. configuration-block::
 

doctrine/resolve_target_entity.rst

@@ -21,8 +21,8 @@ without making them hard dependencies.
 Background
 ----------
 
-Suppose you have an `InvoiceBundle` which provides invoicing functionality
-and a `CustomerBundle` that contains customer management tools. You want
+Suppose you have an InvoiceBundle which provides invoicing functionality
+and a CustomerBundle that contains customer management tools. You want
 to keep these separated, because they can be used in other systems without
 each other, but for your application you want to use them together.
 

form/without_class.rst

@@ -6,7 +6,7 @@ How to Use a Form without a Data Class
 
 In most cases, a form is tied to an object, and the fields of the form get
 and store their data on the properties of that object. This is exactly what
-you've seen so far in this article with the `Task` class.
+you've seen so far in this article with the ``Task`` class.
 
 But sometimes, you may just want to use a form without a class, and get back
 an array of the submitted data. This is actually really easy::

reference/forms/types/options/choice_value.rst.inc

@@ -17,7 +17,7 @@ If ``null`` is used, an incrementing integer is used as the name.
 .. caution::
 
     In Symfony 2.7, there was a small backwards-compatibility break with how the
-    `value` attribute of options is generated. This is not a problem unless you
+    ``value`` attribute of options is generated. This is not a problem unless you
     rely on the option values in JavaScript. See `issue #14825`_ for details.
 
 .. _`issue #14825`: https://github.com/symfony/symfony/pull/14825

templating/twig_extension.rst

@@ -58,8 +58,8 @@ As an example you'll create a price filter to format a given number into price::
 
 .. tip::
 
-    Along with custom filters, you can also add custom `functions` and register
-    `global variables`.
+    Along with custom filters, you can also add custom `functions`_ and register
+    `global variables`_.
 
 Register an Extension as a Service
 ----------------------------------