Merge branch '6.4' into 7.1

* 6.4:
  Minor tweaks
  [Logging] Add references to the `ConsoleLogger`

Author: javiereguiluz

logging.rst

@@ -1,9 +1,10 @@
 Logging
 =======
 
-Symfony comes with a minimalist `PSR-3`_ logger: :class:`Symfony\\Component\\HttpKernel\\Log\\Logger`.
-In conformance with `the twelve-factor app methodology`_, it sends messages starting from the
-``WARNING`` level to `stderr`_.
+Symfony comes with two minimalist `PSR-3`_ loggers: :class:`Symfony\\Component\\HttpKernel\\Log\\Logger`
+for the HTTP context and :class:`Symfony\\Component\\Console\\Logger\\ConsoleLogger` for the
+CLI context. In conformance with `the twelve-factor app methodology`_, they send messages
+starting from the ``WARNING`` level to `stderr`_.
 
 The minimal log level can be changed by setting the ``SHELL_VERBOSITY`` environment variable:
 
@@ -17,8 +18,13 @@ The minimal log level can be changed by setting the ``SHELL_VERBOSITY`` environm
 =========================  =================
 
 The minimum log level, the default output and the log format can also be changed by
-passing the appropriate arguments to the constructor of :class:`Symfony\\Component\\HttpKernel\\Log\\Logger`.
-To do so, :ref:`override the "logger" service definition <service-psr4-loader>`.
+passing the appropriate arguments to the constructor of :class:`Symfony\\Component\\HttpKernel\\Log\\Logger`
+and :class:`Symfony\\Component\\Console\\Logger\\ConsoleLogger`.
+
+The :class:`Symfony\\Component\\HttpKernel\\Log\\Logger` class is available through the ``logger`` service.
+To pass your configuration, you can :ref:`override the "logger" service definition <service-psr4-loader>`.
+
+For more information about ``ConsoleLogger``, see :doc:`/components/console/logger`.
 
 Logging a Message
 -----------------