Fix references

Author: fabpot

reference/dic_tags.rst

@@ -1287,7 +1287,7 @@ the service is auto-registered and auto-tagged. But, you can also register it ma
 
 For information on how to create the actual Twig Extension class, see
 `Twig's documentation`_ on the topic or read the
-:doc:`/templating/twig_extension` article.
+:ref:`templates-twig-extension` article.
 
 twig.loader
 -----------

reference/twig_reference.rst

@@ -12,7 +12,7 @@ components with Twig templates. This article explains them all.
 .. tip::
 
     If these extensions provided by Symfony are not enough, you can
-    :doc:`create a custom Twig extension </templating/twig_extension>` to define
+    :ref:`create a custom Twig extension <templates-twig-extension>` to define
     even more filters and functions.
 
 .. _reference-twig-functions:

templates.rst

@@ -60,7 +60,7 @@ being rendered, like the ``upper`` filter to uppercase contents:
 Twig comes with a long list of `tags`_, `filters`_ and `functions`_ that are
 available by default. In Symfony applications you can also use these
 :doc:`Twig filters and functions defined by Symfony </reference/twig_reference>`
-and you can :doc:`create your own Twig filters and functions </templating/twig_extension>`.
+and you can :ref:`create your own Twig filters and functions <templates-twig-extension>`.
 
 Twig is fast in the ``prod`` :ref:`environment <configuration-environments>`
 (because templates are compiled into PHP and cached automatically), but
@@ -804,7 +804,7 @@ Inspecting Twig Information
 
 The ``debug:twig`` command lists all the information available about Twig
 (functions, filters, global variables, etc.). It's useful to check if your
-:doc:`custom Twig extensions </templating/twig_extension>` are working properly
+:ref:`custom Twig extensions <templates-twig-extension>` are working properly
 and also to check the Twig features added when :ref:`installing packages <symfony-flex>`:
 
 .. code-block:: terminal
@@ -1592,15 +1592,6 @@ If you're using the default ``services.yaml`` configuration, this will already
 work! Otherwise, :ref:`create a service <service-container-creating-service>`
 for this class and :doc:`tag your service </service_container/tags>` with ``twig.runtime``.
 
-Learn more
-----------
-
-.. toctree::
-    :maxdepth: 1
-    :glob:
-
-    /templating/*
-
 .. _`Twig`: https://twig.symfony.com
 .. _`tags`: https://twig.symfony.com/doc/3.x/tags/index.html
 .. _`filters`: https://twig.symfony.com/doc/3.x/filters/index.html