minor #5548 use the include() Twig function instead of the tag (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
----------

use the include() Twig function instead of the tag

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Commits
-------

f0d4ea4 use the include() Twig function instead of the tag

Author: weaverryan

book/templating.rst

@@ -584,9 +584,9 @@ you set `with_context`_ to false).
     maps (i.e. an array with named keys). If you needed to pass in multiple
     elements, it would look like this: ``{'foo': foo, 'bar': bar}``.
 
-.. versionadded:: 2.2
+.. versionadded:: 2.3
     The `include() function`_ is a new Twig feature that's available in Symfony
-    2.2. Prior, the `{% include %} tag`_ tag was used.
+    2.3. Prior, the `{% include %} tag`_ tag was used.
 
 .. index::
    single: Templating; Embedding action

cookbook/profiler/data_collector.rst

@@ -131,15 +131,15 @@ following example can help you get started:
         </div>
         {% endset %}
 
-        {# Set the "link" value to false if you do not have a big "panel" 
+        {# Set the "link" value to false if you do not have a big "panel"
            section that you want to direct the user to. #}
-        {% include '@WebProfiler/Profiler/toolbar_item.html.twig' with { 'link': true } %}
+        {{ include('@WebProfiler/Profiler/toolbar_item.html.twig', { 'link': true }) }}
 
     {% endblock %}
 
     {% block head %}
-        {# Optional, if you need your own JS or CSS files. #} 
-        {{ parent() }} {# Use parent() to keep the default styles #}        
+        {# Optional, if you need your own JS or CSS files. #}
+        {{ parent() }} {# Use parent() to keep the default styles #}
     {% endblock %}
 
     {% block menu %}
@@ -151,7 +151,7 @@ following example can help you get started:
     {% endblock %}
 
     {% block panel %}
-        {# Optional, for showing the most details. #} 
+        {# Optional, for showing the most details. #}
         <h2>Example</h2>
         <p>
             <em>Major information goes here</em>

cookbook/templating/namespaced_paths.rst

@@ -18,14 +18,14 @@ Take the following paths as an example:
 .. code-block:: jinja
 
     {% extends "AppBundle::layout.html.twig" %}
-    {% include "AppBundle:Foo:bar.html.twig" %}
+    {{ include('AppBundle:Foo:bar.html.twig') }}
 
 With namespaced paths, the following works as well:
 
 .. code-block:: jinja
 
     {% extends "@App/layout.html.twig" %}
-    {% include "@App/Foo/bar.html.twig" %}
+    {{ include('@App/Foo/bar.html.twig') }}
 
 Both paths are valid and functional by default in Symfony.
 
@@ -80,7 +80,7 @@ called ``sidebar.twig`` in that directory, you can use it easily:
 
 .. code-block:: jinja
 
-    {% include '@foo_bar/sidebar.twig' %}
+    {{ include('@foo_bar/sidebar.twig') }}
 
 Multiple Paths per Namespace
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -134,4 +134,4 @@ in the previous three directories:
 
 .. code-block:: jinja
 
-    {% include '@theme/header.twig' %}
+    {{ include('@theme/header.twig') }}