minor #8944 Clean up (carusogabriel)

This PR was squashed before being merged into the 2.7 branch (closes #8944).

Discussion
----------

Clean up

I've removed all white spaces and extra lines from our documentation 😄

Commits
-------

63517b9 Remove extra lines
fc9e351 Trailing whitespaces

Author: wouterj

bundles/configuration.rst

@@ -120,7 +120,6 @@ bundle configuration would look like:
     For parameter handling within a dependency injection container see
     :doc:`/configuration/using_parameters_in_dic`.
 
-
 Processing the ``$configs`` Array
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -275,7 +274,6 @@ In your extension, you can load this and dynamically set its arguments::
         $def->replaceArgument(1, $config['twitter']['client_secret']);
     }
 
-
 .. tip::
 
     Instead of calling ``processConfiguration()`` in your extension each time you

bundles/installation.rst

@@ -48,7 +48,7 @@ version, include it as the second argument of the `composer require`_ command:
 B) Enable the Bundle
 --------------------
 
-At this point, the bundle is installed in your Symfony project (e.g. 
+At this point, the bundle is installed in your Symfony project (e.g.
 ``vendor/friendsofsymfony/``) and the autoloader recognizes its classes.
 The only thing you need to do now is register the bundle in ``AppKernel``::
 

changelog.rst

@@ -1,6 +1,6 @@
 .. index::
     single: CHANGELOG
-    
+
 .. !! CAUTION !!
    This file is automatically generated. Do not add new changelog
    items when preparing a pull request.
@@ -69,7 +69,6 @@ Minor Documentation Changes
 * `#7014 <https://github.com/symfony/symfony-docs/pull/7014>`_ Add a note about Filesystem:mkdir behavior (mickaelandrieu)
 * `#6886 <https://github.com/symfony/symfony-docs/pull/6886>`_ Update controllers.rst (asandjivy)
 
-
 September, 2016
 ---------------
 
@@ -81,7 +80,6 @@ New Documentation
 Fixed Documentation
 ~~~~~~~~~~~~~~~~~~~
 
-
 Minor Documentation Changes
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -121,7 +119,6 @@ Minor Documentation Changes
 * `#6945 <https://github.com/symfony/symfony-docs/pull/6945>`_ Fixed indentation issues in alias_private article (javiereguiluz)
 * `#6955 <https://github.com/symfony/symfony-docs/pull/6955>`_ Typo in the class name. (pythagor)
 
-
 August, 2016
 ------------
 
@@ -197,7 +194,6 @@ Minor Documentation Changes
 * `#6810 <https://github.com/symfony/symfony-docs/pull/6810>`_ Fixed the redirection of the previous "performance" book chapter (javiereguiluz)
 * `#6816 <https://github.com/symfony/symfony-docs/pull/6816>`_ Added all the missing "index pages" redirections (javiereguiluz)
 
-
 July, 2016
 ----------
 
@@ -288,7 +284,6 @@ Minor Documentation Changes
 * `#5892 <https://github.com/symfony/symfony-docs/pull/5892>`_ Updated the session proxy article (javiereguiluz)
 * `#6697 <https://github.com/symfony/symfony-docs/pull/6697>`_ [Asset] add versionadded directive (xabbuh)
 
-
 June, 2016
 ----------
 
@@ -338,7 +333,6 @@ Minor Documentation Changes
 * `#6627 <https://github.com/symfony/symfony-docs/pull/6627>`_ Fixed a typo in cookbook/security/entity_provider (michaeldegroot)
 * `#6618 <https://github.com/symfony/symfony-docs/pull/6618>`_ Added a note about coding standards and method arguments (javiereguiluz)
 
-
 May, 2016
 ---------
 
@@ -409,7 +403,6 @@ Minor Documentation Changes
 * `#6525 <https://github.com/symfony/symfony-docs/pull/6525>`_ [Contributing] use more precise version checker URL (xabbuh)
 * `#6528 <https://github.com/symfony/symfony-docs/pull/6528>`_ Fixed a minor indentation issue (javiereguiluz)
 
-
 April, 2016
 -----------
 
@@ -454,7 +447,6 @@ Minor Documentation Changes
 * `#6420 <https://github.com/symfony/symfony-docs/pull/6420>`_ Added tip for optional second parameter for form submissions. (Michael Phillips)
 * `#6418 <https://github.com/symfony/symfony-docs/pull/6418>`_ fix spelling of the flashBag() method (xabbuh)
 
-
 March, 2016
 -----------
 
@@ -514,7 +506,6 @@ Minor Documentation Changes
 * `#6267 <https://github.com/symfony/symfony-docs/pull/6267>`_ [Form] fix 'data_class' option in EntityType (HeahDude)
 * `#6281 <https://github.com/symfony/symfony-docs/pull/6281>`_ Change isValid to isSubmitted. (mustafaaloko)
 
-
 February, 2016
 --------------
 
@@ -585,7 +576,6 @@ Minor Documentation Changes
 * `#6208 <https://github.com/symfony/symfony-docs/pull/6208>`_ Replace references of PSR-0 with PSR-4 (opdavies)
 * `#6190 <https://github.com/symfony/symfony-docs/pull/6190>`_ Fix redundant command line sample (sylozof)
 
-
 January, 2016
 -------------
 
@@ -636,7 +626,6 @@ Minor Documentation Changes
 * `#6102 <https://github.com/symfony/symfony-docs/pull/6102>`_ promoted xabbuh as merger on the Yaml component (fabpot)
 * `#6013 <https://github.com/symfony/symfony-docs/pull/6013>`_ [2.7][Form] placeholder option: replace "in favor" misuses (ogizanagi)
 
-
 December, 2015
 --------------
 
@@ -709,7 +698,6 @@ Minor Documentation Changes
 * `#5972 <https://github.com/symfony/symfony-docs/pull/5972>`_ Add isSubmitted call (DanielSiepmann)
 * `#5961 <https://github.com/symfony/symfony-docs/pull/5961>`_ update from_flat_php_to_symfony2.rst (thao-witkam)
 
-
 November, 2015
 --------------
 
@@ -772,7 +760,6 @@ Minor Documentation Changes
 * `#5852 <https://github.com/symfony/symfony-docs/pull/5852>`_ Fix doc for 2.6+, `server:start` replace `...:run` (Kevinrob)
 * `#5837 <https://github.com/symfony/symfony-docs/pull/5837>`_ Corrected link to ConEmu (dritter)
 
-
 October, 2015
 -------------
 
@@ -829,7 +816,6 @@ Minor Documentation Changes
 * `#5684 <https://github.com/symfony/symfony-docs/pull/5684>`_ Fix delivery_whitelist regex (gonzalovilaseca)
 * `#5742 <https://github.com/symfony/symfony-docs/pull/5742>`_ incorrect: severity is an array key here and not a constant (lbayerl)
 
-
 September, 2015
 ---------------
 
@@ -886,7 +872,6 @@ Minor Documentation Changes
 * `#5571 <https://github.com/symfony/symfony-docs/pull/5571>`_ Some small fixes for upload files article (WouterJ)
 * `#5660 <https://github.com/symfony/symfony-docs/pull/5660>`_ Improved "Community Reviews" page (webmozart)
 
-
 August, 2015
 ------------
 
@@ -938,7 +923,6 @@ Minor Documentation Changes
 * `#5601 <https://github.com/symfony/symfony-docs/pull/5601>`_ Update lazy_services.rst (baziak3)
 * `#5591 <https://github.com/symfony/symfony-docs/pull/5591>`_ Update templating.rst: lint:twig instead of twig:lint in 2.7 (alexwybraniec)
 
-
 July, 2015
 ----------
 
@@ -1024,7 +1008,6 @@ Minor Documentation Changes
 * `#5473 <https://github.com/symfony/symfony-docs/pull/5473>`_ --dev is default and causes a warning (DQNEO)
 * `#5474 <https://github.com/symfony/symfony-docs/pull/5474>`_ typo in components/translation/instruction.rst (beesofts)
 
-
 June, 2015
 ----------
 
@@ -1120,7 +1103,6 @@ Minor Documentation Changes
 * `#5357 <https://github.com/symfony/symfony-docs/pull/5357>`_ [Form] Replace deprecated form_enctype by form_start (JMLamodiere)
 * `#5359 <https://github.com/symfony/symfony-docs/pull/5359>`_ Bumped version of proxy manager to stable release (peterrehm)
 
-
 May, 2015
 ---------
 
@@ -1214,7 +1196,6 @@ Minor Documentation Changes
 * `#5238 <https://github.com/symfony/symfony-docs/pull/5238>`_ Fixed typo and removed outdated imports (nomack84)
 * `#5240 <https://github.com/symfony/symfony-docs/pull/5240>`_ [Cookbook][Email] revert #4808 (xabbuh)
 
-
 April, 2015
 -----------
 

components/console/helpers/questionhelper.rst

@@ -174,7 +174,7 @@ will be autocompleted as the user types::
     {
         // ...
         $helper = $this->getHelper('question');
-        
+
         $bundles = array('AcmeDemoBundle', 'AcmeBlogBundle', 'AcmeStoreBundle');
         $question = new Question('Please enter the name of a bundle', 'FooBundle');
         $question->setAutocompleterValues($bundles);
@@ -195,7 +195,7 @@ convenient for passwords::
     {
         // ...
         $helper = $this->getHelper('question');
-        
+
         $question = new Question('What is the database password?');
         $question->setHidden(true);
         $question->setHiddenFallback(false);
@@ -230,7 +230,7 @@ method::
     {
         // ...
         $helper = $this->getHelper('question');
-        
+
         $question = new Question('Please enter the name of the bundle', 'AppBundle');
         $question->setNormalizer(function ($value) {
             // $value can be null here
@@ -240,7 +240,6 @@ method::
         $name = $helper->ask($input, $output, $question);
     }
 
-
 .. caution::
 
     The normalizer is called first and the returned value is used as the input

components/dom_crawler.rst

@@ -339,13 +339,13 @@ a :class:`Symfony\\Component\\DomCrawler\\Form` object that represents the
 form that the button lives in::
 
     // button example: <button id="my-super-button" type="submit">My super button</button>
-    
+
     // you can get button by its label
     $form = $crawler->selectButton('My super button')->form();
-    
+
     // or by button id (#my-super-button) if the button doesn't have a label
     $form = $crawler->selectButton('my-super-button')->form();
-    
+
     // or you can filter the whole form, for example a form has a class attribute: <form class="form-vertical" method="POST">
     $crawler->filter('.form-vertical')->form();
 

components/expression_language/extending.rst

@@ -64,7 +64,7 @@ to add custom functions. To do so, you can create a new expression provider by
 creating a class that implements
 :class:`Symfony\\Component\\ExpressionLanguage\\ExpressionFunctionProviderInterface`.
 
-This interface requires one method: 
+This interface requires one method:
 :method:`Symfony\\Component\\ExpressionLanguage\\ExpressionFunctionProviderInterface::getFunctions`,
 which returns an array of expression functions (instances of
 :class:`Symfony\\Component\\ExpressionLanguage\\ExpressionFunction`) to

components/index.rst

@@ -4,6 +4,6 @@ The Components
 .. toctree::
     :maxdepth: 1
     :glob:
-    
+
     using_components
     *

components/options_resolver.rst

@@ -403,7 +403,6 @@ is thrown::
 For options with more complicated validation schemes, pass a closure which
 returns ``true`` for acceptable values and ``false`` for invalid values::
 
-
     // ...
     $resolver->setAllowedValues('transport', function ($value) {
         // return true or false

components/property_access.rst

@@ -457,6 +457,5 @@ Or you can pass parameters directly to the constructor (not the recommended way)
     // ...
     $accessor = new PropertyAccessor(true); // this enables handling of magic __call
 
-
 .. _Packagist: https://packagist.org/packages/symfony/property-access
 .. _The Inflector component: https://github.com/symfony/inflector

components/security/authentication.rst

@@ -15,7 +15,7 @@ firewall map is able to extract the user's credentials from the current
 a token, containing these credentials. The next thing the listener should
 do is ask the authentication manager to validate the given token, and return
 an *authenticated* token if the supplied credentials were found to be valid.
-The listener should then store the authenticated token using 
+The listener should then store the authenticated token using
 :class:`the token storage <Symfony\\Component\\Security\\Core\\Authentication\\Token\\Storage\\TokenStorageInterface>`::
 
     use Symfony\Component\Security\Http\Firewall\ListenerInterface;

components/serializer.rst

@@ -32,7 +32,6 @@ You can install the component in 2 different ways:
 * :doc:`Install it via Composer </components/using_components>` (``symfony/serializer`` on `Packagist`_);
 * Use the official Git repository (https://github.com/symfony/serializer).
 
-
 .. include:: /components/require_autoload.rst.inc
 
 To use the ``ObjectNormalizer``, the :doc:`PropertyAccess component </components/property_access>`

components/stopwatch.rst

@@ -34,10 +34,10 @@ microtime by yourself. Instead, use the simple
     $event = $stopwatch->stop('eventName');
 
 The :class:`Symfony\\Component\\Stopwatch\\StopwatchEvent` object can be retrieved
-from the  :method:`Symfony\\Component\\Stopwatch\\Stopwatch::start`, 
-:method:`Symfony\\Component\\Stopwatch\\Stopwatch::stop`, 
-:method:`Symfony\\Component\\Stopwatch\\Stopwatch::lap` and 
-:method:`Symfony\\Component\\Stopwatch\\Stopwatch::getEvent` methods. 
+from the  :method:`Symfony\\Component\\Stopwatch\\Stopwatch::start`,
+:method:`Symfony\\Component\\Stopwatch\\Stopwatch::stop`,
+:method:`Symfony\\Component\\Stopwatch\\Stopwatch::lap` and
+:method:`Symfony\\Component\\Stopwatch\\Stopwatch::getEvent` methods.
 The latter should be used when you need to retrieve the duration of an event
 while it is still running.